CN120814881A - Gynecological hysteroscopic surgery removal forceps - Google Patents
Gynecological hysteroscopic surgery removal forcepsInfo
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- CN120814881A CN120814881A CN202511317168.XA CN202511317168A CN120814881A CN 120814881 A CN120814881 A CN 120814881A CN 202511317168 A CN202511317168 A CN 202511317168A CN 120814881 A CN120814881 A CN 120814881A
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- negative pressure
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Abstract
本发明涉及医疗器械技术领域，并且公开了一种妇科宫腔镜手术取物钳，包括钳杆，钳杆的两端分别设置有钳头和钳柄，钳杆的内侧设置有收纳盒以及推杆，钳杆的外侧设置有负压组件；推杆的一端连接有活动套索，另一端连接有推板，推杆的内部开设有输气通道，输气通道的一端与活动套索的内侧连通，另一端与负压组件相连；推杆能够推动活动套索脱离或进入收纳盒，负压组件产生的吸力能够通过输气通道传递至推杆的末端，因此通过活动套索对目标宫颈组织的预先固定，结合负压组件对剪切后组织的吸附，可避免剪切过程中因组织移动导致的反复操作，减少对周围其他组织的意外损伤，降低手术风险和加快手术进程。
The present invention relates to the technical field of medical devices and discloses a gynecological hysteroscopic surgical specimen removal forceps, comprising a forceps rod, two ends of which are respectively provided with a forceps head and a forceps handle, a storage box and a push rod are provided on the inner side of the forceps rod, and a negative pressure component is provided on the outer side of the forceps rod; one end of the push rod is connected to a movable lasso, and the other end is connected to a push plate; an air transmission channel is opened inside the push rod, one end of the air transmission channel is communicated with the inner side of the movable lasso, and the other end is connected to the negative pressure component; the push rod can push the movable lasso to separate from or enter the storage box, and the suction generated by the negative pressure component can be transmitted to the end of the push rod through the air transmission channel, so that the movable lasso can pre-fix the target cervical tissue and the negative pressure component can absorb the sheared tissue, so that repeated operations caused by tissue movement during the shearing process can be avoided, accidental damage to other surrounding tissues can be reduced, the surgical risk can be reduced, and the surgical process can be accelerated.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a pair of gynecological hysteroscopic forceps.
Background
The hysteroscopic operation is a gynecological minimally invasive endoscopic operation, which is characterized in that an elongated optical endoscope is placed into the uterus of a human body through the natural cavity (vagina and cervix), and a special surgical instrument is matched for clamping pathological tissues, so that the efficient and safe extraction of the pathological tissues in the uterus is a key link for successful operation. The object taking forceps are used as core instruments for achieving the object, and the operation convenience, the grabbing stability and the safety in the operation process directly influence the operation efficiency and the postoperative recovery quality of a patient.
In the prior art, for example, a model A4825 object taking clamp comprises a clamp head, a clamp rod and a handle, the object taking clamp adopts a push-pull mechanical transmission structure, the linear motion of the handle is converted into opening and closing actions of the clamp jaw, in operation, the object taking clamp enters a uterine cavity through an instrument channel of a hysteroscope, the clamp head is driven to clamp under the action of the endoscope, and the clamp head can rotate by 360 degrees. However, in practical clinical application, when the device is used for clamping, the target cervical tissue cannot be fixed, and the cervical tissue is easy to move, so that the accurate clamping difficulty is increased, the operation process is further slowed down, and unexpected risks such as damage to mucous membranes of uterine cavities and the like can be possibly caused by repeated operation.
In summary, how to solve the problem that cervical tissue cannot be fixed in the object taking process has become a urgent problem in the field at present, so it is urgent to design a gynecological hysteroscopic operation object taking forceps for fixing the target cervical tissue before and after shearing.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a pair of gynecological hysteroscope operation forceps, which is used for fixing cervical tissues to be sheared in advance through a movable lasso, so that the problem of other unexpected risks caused by repeated operation due to target movement in the shearing process is avoided, the safety of operation and the shearing stability are improved, and meanwhile, a negative pressure component is matched in the shearing process, so that the sheared cervical tissues can be accurately taken out.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a gynaecology hysteroscope operation gets thing pincers, includes the claw pole, the both ends of claw pole are provided with binding clip and pincers handle respectively, be connected with on the pincers handle and be used for driving the drive assembly of binding clip shearing motion, the inboard of claw pole is provided with receiver and wears to locate the push rod on the receiver, the outside of claw pole is provided with the negative pressure subassembly that is used for producing negative pressure suction, the one end of push rod is connected with the movable lasso that can shrink and expand, and the other end is connected with the push pedal that is located the claw pole outside, just the push rod is used for driving movable lasso embedding or breaking away from the receiver, gas transmission passageway has been seted up to the inside of push rod, gas transmission passageway's one end with the inboard intercommunication of movable lasso, the other end links to each other with negative pressure subassembly.
Optionally, the forceps handle includes articulated fixed handle and movable handle, fixed handle with forceps handle fixedly links to each other, movable handle with negative pressure subassembly links to each other.
Optionally, the negative pressure assembly includes with the cylinder body that the clamp lever is fixed links to each other, the inside slidable mounting of cylinder body has the piston body, the piston body pass through the piston rod with movable handle links to each other, just the rodless chamber of cylinder body pass through the pipeline with the gas transmission passageway intercommunication.
Optionally, the binding clip includes articulated shearing lamella and assistance lamella each other, the articulated shaft of two with the inside wall of clamp lever is fixed links to each other, the recess has been seted up to the inboard of assistance lamella, the opening has been seted up to the recess bottom, shearing lamella passes the opening and follow the recess slides, just shearing lamella with assistance lamella all with drive assembly links to each other.
Optionally, the drive assembly includes the connecting rod, the one end of connecting rod with movable handle links to each other, and the other end is connected with two transmission rods that are articulated each other, and two the terminal of transmission rod respectively with shearing lamella with assist the lamella links to each other.
Optionally, the connecting rod runs through the fixed handle and links to each other with the movable handle, the cover is equipped with the spring on the connecting rod, just the both ends of spring respectively with the fixed handle with the movable handle links to each other.
Optionally, the outside of receiver is provided with two relative slide rails, two slide rail is equipped with the slider in the slip embedding between the slide rail, just the one end of slider with the connecting rod links to each other, the other end with the transfer line links to each other.
Optionally, the fixed handle is connected with the clamp rod through a fixed block, and the push rod sequentially passes through the fixed block, the fixed handle and the movable handle to be connected with the push plate.
Optionally, the movable lasso adopts a polygonal structure, and the width of the inner cavity of the storage box is not smaller than the minimum distance of the diagonal angle when the movable lasso is compressed.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the push rod can push the movable lasso to separate from or enter the storage box, and the suction force generated by the negative pressure component can be transmitted to the tail end of the push rod through the gas transmission channel, so that the target cervical tissue is pre-fixed by the movable lasso, and the repeated operation caused by the movement of the tissue in the shearing process can be avoided by combining the adsorption of the negative pressure component to the sheared tissue, so that the accidental damage to other surrounding tissues is reduced, the operation risk is reduced, and the operation process is accelerated;
(2) The movable lasso can be contracted in the storage box, so as to conveniently penetrate through a hysteroscope instrument channel, and can be unfolded to a sufficient fixing range after being pushed out to fix tissues;
(3) According to the invention, under the cooperation of the sliding rail and the sliding block, the stability in the driving process can be improved, the accurate movement of the clamp head according to the preset opening and closing size is ensured, and the shearing action is more stable and accurate by matching with the fixing action of the movable lasso;
(4) According to the invention, through the linkage fit of the movable handle and the piston rod, the piston main body slides in the cylinder body to generate negative pressure so as to adsorb the sheared tissues, so that the device can realize an adsorption function without additional power equipment, the convenience of operation is obviously improved, and the cost is reduced;
(5) According to the invention, the connecting rod is hinged with the movable handle, so that the movable handle can be pressed to drive the connecting rod to move, thereby driving the sliding block and the transmission rod to move, further driving the clamp head to open and close and shear, and simultaneously, the clamp head can be automatically driven to return when the movable handle is loosened by matching with the reset function of the spring.
Drawings
Fig. 1 is a schematic structural view of a pair of forceps for gynecological hysteroscopic surgery in an embodiment of the invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of the binding clip (initial state) according to the embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a binding clip (moving state) according to an embodiment of the present invention;
FIG. 5 is a schematic view showing an internal structure of a storage box according to an embodiment of the present invention;
FIG. 6 is a schematic view showing the internal structure of a cylinder in the embodiment of the present invention;
wherein, 1, a clamp rod; 2, a fixed block, 3, a fixed handle, 4, a movable handle, 5, a connecting rod, 6, a spring, 7, a sliding block, 8, a transmission rod, 9, a shearing valve, 10, an auxiliary valve, 11, a movable lasso, 12, a sliding rail, 13, a storage box, 14, a push plate, 15, a push rod, 16, a piston rod, 17, a cylinder body, 18, a pipeline, 19, a piston body, 21, an opening, 22, a gas transmission channel, 23 and a groove.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
In a first embodiment, as shown in fig. 1-6, a pair of gynecological hysteroscope operation forceps includes a forceps rod 1, a forceps head and a forceps handle, wherein the forceps rod 1 has an inner hole, the forceps head and the forceps handle are respectively arranged at the front end and the rear end of the forceps rod 1, and the opening, closing and shearing actions of the forceps head can be controlled through the forceps handle.
The inner side wall of the clamp rod 1 is fixedly provided with a storage box 13, the storage box 13 is movably provided with a push rod 15 in a penetrating mode, the front end of the push rod 15 is connected with a movable lasso 11, the rear end of the push rod 15 is fixedly connected with a push plate 14, the movable lasso 11 can be automatically contracted and expanded according to the space where the movable lasso 11 is located, the push plate 14 is located on the outer side of the clamp rod 1 and is mutually perpendicular to the clamp rod 1, and the push rod 15 is used for driving the movable lasso 11 to be embedded into or separated from the storage box 13.
The front end of the storage box 13 is an open end, the rear end is a closed end, the push rod 15 is movably arranged at the rear end in a penetrating mode, when the push rod 15 pulls the movable lasso 11 to be embedded into the storage box 13, the movable lasso 11 is in a contracted state, when the push rod 15 pushes the movable lasso 11 to be separated from the storage box 13, the movable lasso 11 is in an expanded state due to elasticity or hinging force of the push rod 15, and the movable lasso 11 can also extend to the outer side of the clamp rod 1 under the pushing of the push rod 15.
The negative pressure component is installed on the outer side surface of the clamp rod 1, the air transmission channel 22 is arranged in the push rod 15, one end of the air transmission channel 22 is communicated with the inner side of the movable lasso 11, the other end of the air transmission channel 22 is connected with the negative pressure component, the negative pressure component is used for generating negative pressure suction, and the negative pressure suction can be transmitted to the tail end of the push rod 15 through the air transmission channel 22 so as to adsorb sheared tissues.
Specifically, push rod 15 can promote movable lasso 11 and break away from or get into receiver 13, and the suction that negative pressure assembly produced can be transmitted to the end of push rod 15 through gas-supply passageway 22, consequently through the fixed in advance of movable lasso 11 to the target cervical tissue, combines the absorption of negative pressure assembly to the post-shearing tissue, can avoid the repeated operation that causes because of the tissue removes in the shearing process, reduces the unexpected damage to other tissues around, reduces the operation risk and accelerates the operation progress.
The movable lasso 11 adopts a polygonal structure, such as a parallelogram structure, and the width of the inner cavity of the storage box 13 is not smaller than the minimum distance of the diagonal angle when the movable lasso 11 is compressed, i.e. the width of the inner cavity of the storage box 13 is larger than or equal to the minimum distance of the diagonal angle after the movable lasso 11 is compressed, so that the movable lasso 11 can be ensured to be completely retracted into the box, and the problem that the movable lasso 11 cannot be retracted due to insufficient width is avoided.
The movable lasso 11 can be contracted in the storage box 13, so that the movable lasso 11 can conveniently pass through a hysteroscope instrument channel, and can be unfolded to a sufficient fixing range to fix tissues after being pushed out, and the storage box 13 can not only contract the movable lasso 11 to reduce the space, but also can protect the absorbed target tissues while retracting, and prevent the target tissues from falling off accidentally during taking out.
The forceps handle comprises a fixed handle 3 and a movable handle 4 which are hinged, the fixed handle 3 is fixedly connected with the forceps handle, and the movable handle 4 is connected with the negative pressure component. For convenient operation, the opening and closing movements of the upper and lower ends of the forceps handle are opposite, namely, when the lower end of the movable handle 4 is far away from the lower end of the fixed handle 3, the upper end of the movable handle 4 is close to the upper end of the fixed handle 3, whereas when the lower end of the movable handle 4 is close to the lower end of the fixed handle 3, the upper end of the movable handle 4 is far away from the upper end of the fixed handle 3.
Further, the negative pressure assembly comprises a cylinder body 17 fixedly connected with the clamp rod 1, a piston body 19 is slidably arranged in the cylinder body 17, the piston body 19 is connected with the movable handle 4 through a piston rod 16, the piston body 19 divides the inner cavity of the cylinder body 17 into a rod cavity and a rodless cavity which are independent and sealed, and the rodless cavity of the cylinder body 17 is communicated with the gas transmission channel 22 through a pipeline 18.
When the upper end of the movable handle 4 is far away from the upper end of the fixed handle 3, the piston body 19 can be driven by the piston rod 16 to move towards the rod cavity, the volume of the rod cavity is increased, the pressure is reduced, compared with the outside, the negative pressure is formed, the negative pressure is transmitted to the air transmission channel 22 through the pipeline 18, the negative pressure is transmitted to the tail end of the push rod 15 through the air transmission channel 22, and the pipeline 18 penetrates through the side wall of the clamp rod 1 by adopting a hose.
Through the linkage cooperation of movable handle 4 and piston rod 16 for thereby the piston main part produces negative pressure in cylinder body 17 slip, with adsorbing the tissue after shearing, make the device need not extra power equipment and can realize the adsorption function, show the convenience that has promoted the operation, and can reduce cost.
Specifically, a medical staff holds the object taking forceps, drives the movable lasso 11 to stretch and retract by controlling the push plate 14 to fix the target cervical tissue in advance and then shear the target tissue by matching with the forceps head, and in the shearing process, the sheared target cervical tissue is adsorbed and fixed by the negative pressure component and then the push plate 14 is pulled back to take the target tissue.
In the second embodiment, on the basis of the first embodiment, a transmission assembly for driving the pliers head to perform shearing motion is connected to the pliers handle, namely, the upper end of the movable handle 4 of the pliers handle is connected with the pliers head through the transmission assembly, so that the purpose of controlling the pliers head to open, close and shear through the pliers handle is achieved.
As shown in fig. 2-4, the binding clip comprises a shearing flap 9 and an assisting flap 10 which are hinged with each other, the hinged shafts of the shearing flap 9 and the assisting flap 10 are fixedly connected with the inner side wall of the clip rod 1, a groove 23 is formed in the inner side of the assisting flap 10, an opening 21 is formed in the bottom of the groove 23, the shearing flap 9 penetrates through the opening 21 and slides along the groove 23, and the shearing flap 9 and the assisting flap 10 are connected with a transmission assembly. The shearing valve 9 and the assisting valve 10 move cooperatively under the action of the transmission component, so that the target cervical tissue can be sheared, the shearing valve 9 slides in the groove 23 of the assisting valve 10, the groove 23 plays a guiding role, and the movement track of the shearing valve 9 can be limited.
The transmission assembly comprises a connecting rod 5 and two transmission rods 8, one ends of the two transmission rods 8 are hinged with each other and are connected with the connecting rod 5, the other ends of the two transmission rods are respectively connected with the tail ends of the shearing valve 9 and the auxiliary valve 10 in a rotating way, and one ends of the connecting rods 5, which are opposite to the forceps heads, are hinged with the movable handle 4.
Wherein, connecting rod 5 runs through fixed handle 3 and links to each other with movable handle 4, and the cover is equipped with spring 6 on the connecting rod 5, and the both ends of spring 6 are fixed continuous with the inboard of fixed handle 3 and movable handle 4 respectively. The connecting rod 5 is hinged with the movable handle 4, so that the movable handle 4 can be pressed to drive the connecting rod 5 to move, and then the shearing valve 9 and the auxiliary valve 10 are driven to do shearing movement through the cooperation of the connecting rod 5 and the transmission rod 8, and the clamp head can be automatically reset when the movable handle 4 is loosened by the cooperation of the spring 6.
Specifically, when the connecting rod 5 moves backwards, the included angle of the two transmission rods 8 can be driven to be reduced, so that the shearing valve 9 and the auxiliary valve 10 are driven to shear in a staggered manner, and when the connecting rod 5 moves forwards, the included angle of the two transmission rods 8 is driven to be increased, so that the staggered reset of the shearing valve 9 and the auxiliary valve 10 is realized. The linear motion of the movable handle 4 transmitted to the connecting rod 5 can be converted into the shearing motion of the shearing valve 9 and the auxiliary valve 10 through the transmission assembly.
Further, two opposite slide rails 12 are arranged on the outer side of the storage box 13, a sliding block 7 is embedded between the two slide rails 12 in a sliding manner, one end of the sliding block 7 is connected with the connecting rod 5, and the other end of the sliding block 7 is connected with the transmission rod 8. One ends of the two transmission rods 8 are mutually hinged on the sliding block 7, the sliding block 7 is fixedly connected with the connecting rod 5, and in the shearing process, the transmission assembly moves along the appointed direction under the limit of the cooperation of the sliding rail 12 and the sliding block 7, so that the operation risk caused by shaking of the transmission assembly is avoided.
The sliding fit of the sliding rail 12 and the sliding block 7 can limit the movement direction and the movement displacement of the transmission assembly, so as to control the opening and closing degree of the sheared tissue. Secondly, the cooperation slip of slider 7 and slide rail 12 has prevented that connecting rod 5 from taking place the lateral shifting in the slip in-process, has reduced the tissue damage risk that leads to because of rocking. The slide rail 12 is fixedly connected with the storage box 13, so that the parallel relation between the shearing tissue and the movable lasso 11 is ensured, and the accuracy in shearing is ensured.
In the third embodiment, on the basis of the first embodiment and the second embodiment, the cutting edge of the shear valve 9 is coated with a wear-resistant coating, the inner side wall of the movable lasso 11 is carved with anti-slip textures, the inner sides of the fixed handle 3 and the movable handle 4 are coated with anti-slip layers, and the bottom of the fixed handle 3 is fixedly connected with a finger ring blocking hook. When holding the pliers handle, the ring blocking hook can prop against the ring finger or little finger to help the hand to grasp more stably, and secondly, the hook type clamps the finger, so that the risk of the instrument sliding off from the hand can be reduced.
By coating the abrasion-resistant coating on the cutting edge of the shear valve 9, the abrasion resistance of the cutting edge can be increased, the service life is prolonged, the passivation of the cutting edge after repeated use is reduced, and the replacement frequency of the instrument is reduced. The anti-slip layer can increase the friction force between the hand and the inner sides of the fixed handle 3 and the movable handle 4, avoid misoperation caused by hand slip, and improve the holding stability. The anti-slip texture on the inner side wall of the movable lasso 11 can increase the contact friction force with the target cervical tissue, strengthen the pre-fixing reliability, further ensure the stability in the taking-out process by matching with the negative pressure component, and reduce the sliding risk.
In the fourth embodiment, on the basis of the first and second embodiments, a fixing block 2 is further disposed at the end of the clamp rod 1, the outer diameter of the fixing block 2 is larger than that of the clamp rod 1, and the fixing handle 3 is fixedly connected with the clamp rod 1 through the fixing block 2.
The connecting rod 5 sequentially passes through the fixed block 2 and the fixed handle 3 to be connected with the movable handle 4, the fixed push rod 15 sequentially passes through the fixed block 2, the fixed handle 3 and the movable handle 4 to be connected with the push plate 14, and the cylinder 17 of the negative pressure assembly is fixedly arranged on the outer circumferential surface of the fixed block 2.
The fifth embodiment provides a method for using the gynecological hysteroscope forceps based on the fifth embodiment, wherein the method comprises the steps of pre-fixing target tissues, cutting tissues, adsorbing and fixing after the tissue cutting and storing.
When the hysteroscope object is taken, medical staff holds the fixed handle 3 and the movable handle 4, the clamp rod 1 is sent to a target position through a hysteroscope instrument channel, the push plate 14 is pushed to enable the push rod 15 to move towards the front end of the clamp rod 1, the movable lasso 11 leaves the storage box 13 under the thrust of the push rod 15 and expands under the action of the hinging force, and the movable lasso 11 is looped around the target cervical tissue to be pre-fixed.
After tissue excision is finished, the movable handle 4 is pressed, the spring 6 stretches, the connecting rod 5 pulls the sliding block 7 to slide along the sliding rail 12, the sliding block 7 drives the shearing valve 9 and the auxiliary valve 10 to open and close (the opening and closing angle is 0-90 degrees) through the transmission rod 8, the target cervical tissue is sheared, and the shearing valve 9 stably moves along the groove 23 through the opening 21 in the auxiliary valve 10, so that stability in the shearing process is improved, and shaking or deflection is avoided.
The adsorption fixation after tissue excision, namely pressing the movable handle 4, simultaneously driving the piston rod 16 to pull the piston body 19 to slide in the cylinder 17 by the movable handle 4, generating negative pressure (-0.03 MPa to-0.05 MPa) at the communication position of the push rod 15 and the movable lasso 11 through the pipeline 18 and the gas transmission channel 22 in the push rod 15, and adsorbing and fixing the sheared target cervical tissue.
After tissue is cut, the movable handle 4 is loosened, the spring 6 is reset to drive the connecting rod 5 to move towards the front end of the clamp rod 1, the cutting valve 9 and the assisting valve 10 are reset, the push plate 14 is pulled to drive the push rod 15 and the movable lasso 11 to move towards the rear end of the clamp rod 1, and the movable lasso 11 contracts and clamps the cut target cervical tissue to enter the storage box 13.
In summary, the invention provides a pair of gynecological hysteroscope operation forceps, which is characterized in that a movable lasso 11 is added at the front end of a forceps rod 1 to limit target cervical tissues before and after shearing, and then a negative pressure assembly is used for fixing the target cervical tissues, so that the convenience of operation and the safety of operation of the forceps are improved. Compared with the traditional mode, the efficiency is remarkably improved, and the problem that the object cannot be clamped out and repeated clamping is solved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. The gynecological hysteroscope operation fetching clamp is characterized by comprising a clamp rod, wherein clamp heads and clamp handles are respectively arranged at two ends of the clamp rod, a transmission assembly used for driving the clamp heads to do shearing motion is connected to the clamp handles, a storage box and a push rod penetrating through the storage box are arranged on the inner side of the clamp rod, a negative pressure assembly used for generating negative pressure suction force is arranged on the outer side of the clamp rod, one end of the push rod is connected with a movable lasso capable of shrinking and expanding, the other end of the push rod is connected with a push plate located on the outer side of the clamp rod, the push rod is used for driving the movable lasso to be embedded into or separated from the storage box, a gas transmission channel is formed in the push rod, one end of the gas transmission channel is communicated with the inner side of the movable lasso, and the other end of the gas transmission channel is connected with the negative pressure assembly.
2. The hysteroscope operation forceps of claim 1, wherein the forceps handle comprises a hinged fixed handle and a movable handle, the fixed handle is fixedly connected with the forceps handle, and the movable handle is connected with the negative pressure assembly.
3. The pair of gynecological hysteroscope operation forceps according to claim 2, wherein the negative pressure assembly comprises a cylinder body fixedly connected with the forceps rod, a piston body is slidably arranged in the cylinder body, the piston body is connected with the movable handle through a piston rod, and a rodless cavity of the cylinder body is communicated with the air conveying channel through a pipeline.
4. The pair of gynecological hysteroscope operation forceps of claim 3, wherein the forceps head comprises a shearing flap and an assisting flap which are hinged with each other, a hinged shaft of the shearing flap and the assisting flap is fixedly connected with the inner side wall of the forceps rod, a groove is formed in the inner side of the assisting flap, an opening is formed in the bottom of the groove, the shearing flap penetrates through the opening and slides along the groove, and the shearing flap and the assisting flap are connected with the transmission assembly.
5. The pair of gynecological hysteroscope operation forceps as recited in claim 4, wherein the transmission assembly comprises a connecting rod, one end of the connecting rod is connected with the movable handle, the other end of the connecting rod is connected with two transmission rods hinged with each other, and the tail ends of the two transmission rods are respectively connected with the shearing valve and the assisting valve.
6. The pair of gynecological hysteroscope operation forceps as recited in claim 5, wherein the connecting rod penetrates through the fixed handle and is connected with the movable handle, a spring is sleeved on the connecting rod, and two ends of the spring are respectively connected with the fixed handle and the movable handle.
7. The pair of gynecological hysteroscope operation forceps as recited in claim 6, wherein two opposite sliding rails are arranged on the outer side of the storage box, a sliding block is embedded between the two sliding rails in a sliding manner, one end of the sliding block is connected with the connecting rod, and the other end of the sliding block is connected with the transmission rod.
8. The pair of gynecological hysteroscope operation forceps as recited in claim 7, wherein the fixed handle is connected with the forceps rod through a fixed block, and the push rod sequentially passes through the fixed block, the fixed handle and the movable handle to be connected with the push plate.
9. The pair of gynecological hysteroscopic forceps as recited in any one of claims 1-8, wherein the movable lasso is of polygonal structure, and the width of the inner cavity of the receiving box is not smaller than the minimum distance between the opposite corners of the movable lasso when compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511317168.XA CN120814881B (en) | 2025-09-16 | 2025-09-16 | Gynecological uterine cavity object taking forceps for mirror operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511317168.XA CN120814881B (en) | 2025-09-16 | 2025-09-16 | Gynecological uterine cavity object taking forceps for mirror operation |
Publications (2)
| Publication Number | Publication Date |
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| CN120814881A true CN120814881A (en) | 2025-10-21 |
| CN120814881B CN120814881B (en) | 2025-12-09 |
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| CN202511317168.XA Active CN120814881B (en) | 2025-09-16 | 2025-09-16 | Gynecological uterine cavity object taking forceps for mirror operation |
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| CN223009217U (en) * | 2024-07-18 | 2025-06-24 | 宋章法 | Laparoscopic surgery pincers of high-efficient exhaust fume |
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| US20090036881A1 (en) * | 2007-07-30 | 2009-02-05 | Ryan Artale | Polyp removal jaws and method of use |
| WO2016009703A1 (en) * | 2014-07-15 | 2016-01-21 | 株式会社Jimro | Medical treatment tool and treatment unit thereof |
| CN110547834A (en) * | 2019-09-03 | 2019-12-10 | 长沙众智医疗器械有限责任公司 | Tendon guide forceps |
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| CN219021511U (en) * | 2022-06-28 | 2023-05-16 | 于明安 | Gallbladder polypectomy device |
| CN221060783U (en) * | 2023-10-10 | 2024-06-04 | 中国人民解放军空军军医大学 | Rotatable pancreatic necrosis debridement device for endoscope |
| CN117281583A (en) * | 2023-10-17 | 2023-12-26 | 中国人民解放军总医院第七医学中心 | Double-leaf pliers with aspirator function |
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|---|---|
| CN120814881B (en) | 2025-12-09 |
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