DE202018100814U1 - Completely separate puncture equipment - Google Patents

Abstract

Fully separate puncture kit, comprising: a catheter; a post connected to one end of the catheter; a channel passing through the catheter and the support along an axial direction; an air-inflatable structure disposed on the support and communicating with the channel; an air valve for controlling the air-inflatable structure to turn it on and off; a first sealing component for sealing when an instrument is used; and a second sealing component for sealing when no instrument is used; wherein the first sealing component, the second sealing component and the support are sealingly connected from top to bottom and the first sealing component can be separated independently of the second sealing component, which can be separated independently of the support, to provide multiple methods of sampling provide.

Description

TECHNICAL AREA

The present invention relates to the field of medical devices, and more particularly to puncture equipment.

BACKGROUND

• 1. Sowohl die Dichtungsplatten als auch das nicht rückführbare Teil sind mit einer Öffnung versehen. Ferner sind die Größen der Öffnungen uneinheitlich, da ihre Funktionen verschieden sind. Im Allgemeinen soll zur besseren Abdeckung des chirurgischen Instruments die Öffnung der Dichtungsplatte kleiner als die Öffnung des nicht rückführbaren Teils sein. Die Dichtungsplatten können jedoch nicht unabhängig von dem nicht rückführbaren Teil getrennt werden, da sie miteinander integriert sind. Wenn eine größere Probe entnommen werden muss, kann eine Luftleckage verursacht werden, obgleich die Probe bei entfernter Dichtungsstruktur entnommen werden kann; und obgleich die Probe durch das nicht rückführbare Teil passt, wenn die Dichtungsstruktur in Position bleibt, wird die Probe durch die Dichtungsplatten festgeklemmt und kann nur nach Segmentierung in der Bauchhöhle herausgenommen werden, wodurch die Effizienz des chirurgischen Eingriffs beeinflusst und die Schwierigkeit des Vorgangs erhöht wird.
• 2. Die Öffnung der Dichtungsplatte liegt in Form eines runden Lochs vor, was einen höheren Widerstand gegen Einführen und Ziehen hat; des Weiteren ist die Wiederherstellungsgeschwindigkeit nach dem Herausziehen des chirurgischen Instruments aus dem runden Loch geringer, und es wird eine Luftleckage verursacht, wenn ein kleineres chirurgisches Instrument eingeführt wird.
• 3. Die Außenwand eines Katheters weist nur einen unilateral angeordneten Widerhaken auf, und das Instrument birgt die Gefahr, dass sich der Katheter von einem menschlichen Körper trennt, wenn er herausgezogen wird.
• 4. Das Punktionswerkzeug im Stand der Technik bricht im Gebrauch leicht, da ein Sichtwerkzeugeinsatz aus Kunststoff an einem rostreifen Werkzeugschaft geklebt ist.

Puncture equipment is a common tool in laparoscopic surgery. An inflation cannula is inserted into a navel area during the surgical procedure. Meanwhile, air is injected into the abdominal cavity to dilate the peritoneal cavity, and then the puncture equipment is inserted into the abdominal cavity to form a canal for facilitating the surgical procedure. The importance of impermeability in this process is obvious. To ensure that the air in a patient's stomach does not leak during the surgical procedure, the existing puncture equipment is provided with a seal structure that includes sealing gaskets for sealing when a surgical instrument is present, and an unretractable part is used when no surgical instrument is used. The puncture equipment in the prior art has the following defects:

• 1. Both the sealing plates and the non-returnable part are provided with an opening. Further, the sizes of the openings are uneven, because their functions are different. In general, for better coverage of the surgical instrument, the opening of the seal plate should be smaller than the opening of the non-retractable part. However, the seal plates can not be separated independently of the non-recoverable part since they are integrated with each other. If a larger sample needs to be taken, air leakage may be caused, although the sample may be taken with the seal structure removed; and although the sample will fit through the non-recoverable portion when the seal structure remains in position, the sample is clamped by the seal plates and can only be removed after segmentation in the abdominal cavity, thereby affecting the efficiency of the surgical procedure and increasing the difficulty of the procedure ,
• 2. The opening of the sealing plate is in the form of a round hole, which has a higher resistance to insertion and removal; Further, the recovery speed after extraction of the surgical instrument from the round hole is lower, and air leakage is caused when a smaller surgical instrument is inserted.
• 3. The outer wall of a catheter has only a unilaterally arranged barb, and the instrument involves the risk of the catheter separating from a human body when it is withdrawn.
• 4. The prior art puncture tool breaks easily in use because a plastic sighting insert is glued to a stainless tool shank.

SHORT VERSION

In order to overcome the shortcomings of the prior art, the present invention provides a completely separate puncture kit with the following advantages: providing multiple methods for sampling and applicability to most surgical procedures; effectively preventing air leakage by providing a plurality of sealing structures; fast drainage, which saves operating time; and better fixing the puncture equipment, thereby preventing detachment of the puncture equipment during the surgical procedure, which is comfortable to use by the medical personnel.

The technical solution used by the present invention to solve the technical problems is as follows.

A completely separate puncture kit comprising:
a catheter;
a post connected to one end of the catheter;
a channel passing through the catheter and the support along an axial direction for guiding an instrument;
an air-inflatable structure disposed on the support and communicating with the channel;
an air valve for controlling the air-inflatable structure to turn it on and off;
a first sealing component for sealing when an instrument is used; and
a second sealing component for sealing when no instrument is used;
wherein the first sealing component, the second sealing component and the support are sealingly connected from top to bottom and the first sealing component can be separated independently of the second sealing component, which can be separated independently of the support, to provide multiple methods of sampling which differs from the single opening method in the prior art. As a further improvement of the above solution, the first seal component comprises:
a first seal seat having an axial through hole;
a first seal membrane fixedly connected to the through hole at an outer edge thereof and provided with a round hole at a center thereof, which instrument can be surrounded by the seal membrane as it passes through the round hole to form an airtight structure forming a close fit with the instrument through the first sealing membrane as the instrument moves;
a plurality of seal plates uniformly arranged along a circumference of the round hole, one end fixedly connected to the first seal membrane, and the other end extending to a central portion of the round hole, with adjacent seal plates partially overlapping to form a lenticular sheet structure to build;
wherein, when the instrument passes through the round hole, the sealing plates are applied to a circumference of the instrument to form an airtight structure, and after retraction of the instrument can quickly regain their initial status to comply with the sealing requirements of instruments to adapt to different sizes; and the sealing plates are disposed on both sides of the round hole to allow the instrument to maintain the seal during the process of insertion and withdrawal.

As a further improvement of the above solution, the first sealing component comprises a plurality of guide plates, the guide plates together forming a connection hole coaxial with the round hole to guide the instrument so that the instrument can only pass through the round hole, thereby causing a deviation the instrument for puncturing the first sealing membrane to cause air leakage is prevented; and wherein the guide plates are arranged on both sides of the first sealing membrane.

As a further improvement of the above solution, the second sealing component comprises:
a coat;
a second seal seat sealingly disposed in and connected to the shell, the second seal seat being provided with an axial through hole, and
a second seal membrane fixedly connected to the through hole at an outer edge thereof and provided with a fine sewing means at a center thereof so that the first seal membrane can naturally be closed to form an airtight structure when no instrument is used, and also normal insertion of the instrument can not be hindered.

As a further improvement to the above solution, the second seal seat is provided with a seal structure for sealing with the jacket and the second seal membrane and the seal structure are separated from each other, so that the second seal membrane can not be deformed due to the seal connection between the second seal seat and the jacket ;
the second seal seat is fixedly connected to the shell to limit the movement thereof with respect to the shell and to avoid deformation of the seal structure under a frictional force;
the second sealing membrane comprises a plane provided with the fine sewing means and curved surfaces arranged on both sides of the plane; and
each of the curved surfaces is provided with a reinforcing rib perpendicular to the fine sewing means, whereby the fine sewing means can be quickly retrieved after the instrument has been pulled out to avoid air leakage.

As a further improvement of the above solution, the catheter comprises:
a plurality of first barbs uniformly disposed on an outer surface of the catheter; and
a plurality of inverted second barbs disposed between the first barbs and spaced apart;
wherein the first barbs and the second barbs are used to fix the catheter in two directions and to prevent the instrument, upon withdrawal, from causing the catheter to separate from a human body.

As a further improvement of the above solution, the catheter has an end with a display structure to facilitate the indication of a position of the catheter.

As a further improvement of the above solution, the support is provided with an annular kink structure, which can fix the catheter by a seam to the skin.

As a further improvement of the above solution, the air-inflatable structure is clamped in the support and sealed by an adhesive. Compared to the form of the individual bonding, the fixing strength of the air-inflatable structure can be increased to prevent the phenomenon of air leakage caused by collision and other damage by external forces.

As a further improvement of the above solution, it further comprises a puncture tool containing a tool shank with a colored catheter sleeve to facilitate the medical staff to observe whether the Tool shaft passes through a stomach wall; and a tool insert integrally connected to the tool shank.

• 1. Bereitstellen mehrerer Methoden zur Entnahme von Proben und Anwendbarkeit auf die meisten chirurgischen Eingriffsereignisse;
• 2. effektives Verhindern einer Luftleckage durch Bereitstellen mehrerer Dichtungsstrukturen;
• 3. schnelles Abführen, wodurch Operationszeit eingespart wird; und
• 4. besseres Fixieren der Punktionsausrüstung und Verhindern eines Lösens der Punktionsausrüstung während des chirurgischen Eingriffs, die von dem medizinischen Personal komfortabel zu bedienen ist.

The beneficial effect of the present invention includes:

• 1. Providing several methods for sampling and applicability to most surgical procedures;
• 2. Effectively preventing air leakage by providing a plurality of sealing structures;
• 3. fast removal, thereby saving operating time; and
• 4. better fixing of the puncture equipment and prevention of dislodgement of the puncture equipment during the surgical procedure, which is comfortable to use by the medical staff.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will be further described below with reference to the drawings and the embodiments.

1 is an exploded view of an embodiment of the present invention;

2 is a stereoscopic view of 1 ;

3 is an exploded view of the internal structure of a first sealing component according to the present invention;

4 is a structural diagram of a first sealing membrane and guide plates;

5 is a stereoscopic view of an embodiment of a second sealing component;

6 is a side view of an embodiment of a second sealing membrane;

7 is a stereoscopic view of 7 ;

8th is a side view of an embodiment of the present invention;

9 is a partial view along a direction A in FIG 8th ;

10 FIG. 12 is a cross-sectional view of a combination of the first seal component, the second seal component, and the support according to the present invention; FIG.

11-a FIG. 4 is a structural diagram of one embodiment of a puncture tool according to the present invention; FIG.

11-b FIG. 4 is a structural diagram of one embodiment of a colored catheter sleeve according to the present embodiment; FIG.

11-c is a representation of a combination of the puncture tool and the colored catheter sleeve.

DETAILED DESCRIPTION

The concept, specific structure, and technical effects produced by the present invention will now be more fully and completely described with reference to the embodiments and the drawings for a full understanding of the objects, solutions, and effects of the present invention. It should be understood that the embodiments in the application and the features in the embodiments may be combined with each other, if not conflicting.

It should be understood that unless otherwise noted, when a feature is referred to as being "attached" to another, it may be directly or indirectly attached to another feature. In addition, the descriptions used in the present invention, upper, lower, left, right, and the like, refer only to the mutual positional relationship of the respective components of the present invention in the drawings.

In addition, unless otherwise defined, all technical and scientific terms used herein are to be understood by those skilled in the art to have their general meaning. The terms used herein are for the purpose of describing particular embodiments only and are not intended to limit the present invention. The term "and / or" used in the text includes any combination of one or more of the associated cited items.

With reference to 1 and 2 For example, a puncture kit of the present invention includes a catheter 10 , a prop 20 connected to one end of the catheter and a channel extending along an axial direction through the catheter and the support. Surgical instruments, such as a puncture tool or an endoscope, may enter the abdominal cavity along the canal and directly reach a nidus, thereby preventing accidental injury.

For a better realization of the overall seal are a first sealing component 30 and a second sealing component 40 arranged. The first sealing component 30 , the second sealing component 40 and the prop 20 are connected in a sealing manner from top to bottom in a row and can be separated independently to provide several methods for taking samples.

The first sealing component 30 is used for sealing when an instrument is used. On 3 With reference to the first seal component 30 preferably a first seal seat 31 and a first sealing membrane 32 wherein the first seal seat 31 is provided with an axial through hole, the first sealing membrane 32 with an outer edge 320 of which is firmly connected to the through hole and one in a round hole 321 has opening center. An instrument may be from the first sealing membrane 32 surrounded as it extends through the round hole to form an airtight structure.

Because the first sealing membrane 32 has an elasticity and the outer edge thereof on the first seal seat 31 is fixed, the first sealing membrane 32 deformed to some extent during a twisting of the instrument to allow the round hole 321 at all times on the circumference of the surgical instrument to ensure the airtightness. After pulling out the instrument, the first sealing membrane 32 be restored under an elastic action.

In order to obtain a corresponding sealing effect, the round hole in the prior art is generally relatively small, so that it is very difficult to insert the surgical instrument, and due to the low recovery speed of the round hole, air leakage is caused when a smaller instrument is introduced. To overcome this deficiency, are several sealing plates 33 arranged. On 4 Referring to, the sealing plates 33 uniformly arranged along the circumference of the round hole. At every gasket plate 33 one end is fixed to the first sealing membrane 32 connected and the other end extends to the central region of the round hole 321 , and the neighboring gaskets 33 partially overlap to form a lenticular leaf structure. When an instrument passes through the round hole 321 extends, the seal plates are caused to move axially along the through hole and overlap each other while being arranged on the circumference of the instrument to form an airtight structure. The seal plates can quickly recover their initial status after pulling out the instrument to accommodate the sealing requirements of different sized instruments.

The first sealing membrane 32 is on both sides of it with the gaskets 33 provided to allow the instrument from the sealing plates 33 is surrounded when the instrument is inserted and withdrawn.

To prevent the inserted instrument from deviating from the round hole around the first sealing membrane 32 to penetrate is the first sealing membrane 32 on both sides thereof preferably with several guide plates 34 Mistake. On the 3 and 4 Referring to, four guide plates 34 preferred and are stacked with respect to each other so that they are one with the round hole 321 coaxial connection hole 340 form. The surgical instrument is first inserted through the connecting hole during insertion 340 guided and occurs under the leadership of there arranged around guide plates 34 in the round hole 321 to prevent the instrument from deviating from the position to penetrate into the first sealing membrane, causing air leakage.

The second sealing component 40 is then used for sealing when no instrument is used. On 5 and 7 With reference to the second seal component 40 a coat 41 , a second seal seat 42 and a second sealing membrane 43 wherein the second seal seat 42 provided with an axial through hole and in a sealing manner with the jacket 41 is connected to allow the air enters and is present only through the through hole.

The second sealing membrane 43 is fixedly connected to the through hole at an outer edge thereof and has one with a fine sewing means 430 provided center. The fine sewing agent 430 is through the second sealing membrane 43 itself locked in response to the elastic force thereof when no instrument extends therethrough, and is opened under an external force when the second sealing membrane 43 is compressed by a surgical instrument to allow the second sealing membrane to be naturally closed to form an airtight structure without impeding the normal insertion of the instrument.

The second seal seat 42 is provided with a sealing structure for connection with the jacket in a sealing manner, and preferably the sealing structure is a sealing ring 420 which is disposed along the circumference of the through hole. When connecting the second seal seat 42 with the coat 41 is to prevent that the sealing ring 420 the deformation of the second sealing membrane 43 causes, with reference to 7 and 10 A gap 401 between the second sealing membrane 43 and the sealing ring 420 arranged to the second sealing membrane 43 and the sealing ring 420 to separate.

The second seal seat 42 is firm with the coat 41 connected, and the movement of it concerning the mantle 41 is limited to the deformation of the sealing ring 420 under the frictional force, which influences the sealing effect. In particular, the second seal seat 42 uniform with several fixing holes 421 provided, the coat 41 is provided with fixing pins (not shown), the fixing holes 421 correspond, and if the second seal seat 42 on the coat 41 is installed, the Fixieräulen be inserted into the fixing holes to lock the second seal seat.

The second sealing membrane 43 includes a level 431 that with the fine sewing 430 is provided, and domed areas 432 which are arranged on both sides of the plane, and the curved surfaces 432 form a spherical surface structure that can absorb double abdominal cavity pressure without air leakage, and provide elastic force to the second sealing membrane 43 for locking the fine sewing material 430 ready.

The curved surface 432 is with a reinforcing rib 433 perpendicular to the fine sewing 430 provided that the locking force of Feinnähmittels 430 can further strengthen, to quickly restore the fine sew 430 in the airtight state after pulling out of the instrument to allow.

A good sealing effect, whether or not a surgical instrument is present, can be used in combination with the first sealing component 30 and the second sealing component 40 will be realized.

In the embodiment, the first sealing component 30 to the second sealing component 40 clamped, in turn, to the prop 20 is clamped. The first sealing component 30 , the second sealing component 40 and the prop 20 can be separated by operation of a clamp, providing three methods for taking objects: if the volume of a sample is normal, the sample can be taken directly by a normal method; if the sample is relatively large, the first seal component 30 can be disassembled first, and the relatively large sample can due to a relatively large degree of deformation caused by the Feinnähmittel 430 caused by the second sealing membrane 43 happen; when the degree of deformation of the second sealing membrane 43 is insufficient to remove the samples, the first seal component 30 and the second sealing component 40 simultaneously taken apart and taken out by the support. Meanwhile, if necessary, the air can be exhausted through the opening of the support and the air-inflatable structure, thereby accelerating the air leakage and saving the operation time.

On 8th and 9 Referring to, the catheter is 10 on an outer surface thereof uniformly with a plurality of first barbs 102 provided the friction force when pulling the catheter 10 can increase. Preferably, several second barbs 103 arranged between the first barbs and at a certain distance from each other. The first barbs 102 are opposite to the second barbs 103 aligned. Compared to the prior art, in which only unidirectional barbs are arranged, the surface layer tissue of the abdominal cavity can be between the first barb 102 and the second barb 103 be clamped to further strengthen the stability of the catheter.

With reference to 8th For ease of observation of the state of motion of the inner punctured object, the catheter is generally made of a transparent material, and in actual use, the catheter may 10 too deeply inserted, because the position of the catheter 10 not visible. In the embodiment, the catheter is 10 at one end thereof, provided with a display structure, preferably a black radiographic line 101 is, and the state of implementation of the transparent catheter 10 in the abdomen can through the black radiographic line 101 be observed to avoid the above situation.

The support 20 is with an annular buckling structure 203 Mistake; During the surgical procedure, a suture may be due to the kink structure 203 happen and be fixed to the skin, to allow the catheter 10 is not affected by the process of pulling out the surgical instrument.

On 10 Referring to, the support is 20 with an air-fillable structure 201 provided with the channel, the air can be injected through the luftbefüllbare structure in the abdominal cavity, and similarly, the air through the luftbefüllbare structure can also be dissipated. The air-fillable structure 201 is with an air valve 202 for controlling the turning on and off of the air-inflatable structure 201 Mistake.

The air-fillable structure 201 the prior art generally uses a UV adhesive for consolidation and sealing; This bonding process has the disadvantages that it has a low bonding strength and easily loses its effectiveness due to aging. In order to solve this problem, according to the present invention, the air-inflatable structure 201 first by a snap connection to the support 20 fixed, and then the method of sealing by UV adhesive, the solidification of the air-filled structure is separated from the seal. Compared to the single adhesive joint shape, the fixing strength of the air-inflatable structure 201 be increased to prevent the phenomenon caused by collision of air leakage and other damage by external forces.

The first sealing membrane 32 has a funnel shape and protrudes toward the catheter to facilitate insertion of the surgical instrument.

In accordance with the present invention, it further comprises a puncture tool cooperating with the puncture device. On the 11-a Further, the puncturing tool further includes a tool shank 51 and a tool insert 52 , Unlike the prior art method in which the sighting tool insert is glued to the stainless steel tool shank, the tool shank 51 and the tool insert 52 has been formed by an integral molding technique, whereby a canceling of the tool insert can be effectively prevented. On 11-b and 11-c Referring to, the tool shank is 51 with a colored catheter sleeve 510 what makes it easier for the medical staff to observe if the tool shank penetrates an abdominal wall.

In particular, the above content describes the preferred embodiments of the present invention, but the present invention is not limited to the embodiments; Those skilled in the art may make various equivalent changes or substitutions without departing from the spirit of the present invention, and those equivalent changes or substitutions are all to fall within the scope limited by the claims of the application.

Claims (10)

Fully separate puncture kit comprising: a catheter; a post connected to one end of the catheter; a channel passing through the catheter and the support along an axial direction; an air-inflatable structure disposed on the support and communicating with the channel; an air valve for controlling the air-inflatable structure to turn it on and off; a first sealing component for sealing when an instrument is used; and a second sealing component for sealing when no instrument is used; wherein the first sealing component, the second sealing component and the support are sealingly connected from top to bottom and the first sealing component can be separated independently of the second sealing component, which can be separated independently of the support, to provide multiple methods of sampling provide. The completely separate puncture kit of claim 1, wherein the first seal component comprises: a first seal seat having an axial through hole; a first seal membrane fixedly connected to the through hole at an outer edge thereof and provided with a round hole at a center thereof, which instrument can be surrounded by the seal membrane as it passes through the round hole to form an airtight structure and wherein the first sealing membrane can maintain a close fit with the instrument as the instrument moves; a plurality of seal plates uniformly arranged along a circumference of the round hole, one end fixedly connected to the first seal membrane, and the other end extending to a central portion of the round hole, with adjacent seal plates partially overlapping to form a lenticular sheet structure to build; wherein, when the instrument passes through the round hole, the sealing plates are applied to a circumference of the instrument to form an airtight structure, and after retraction of the instrument can quickly regain their initial status to comply with the sealing requirements of instruments to adapt to different sizes; and the sealing plates are disposed on both sides of the round hole to allow the instrument to maintain the seal during the process of insertion and withdrawal. A completely separate puncture kit according to claim 2, wherein the first seal component comprises a plurality of guide plates, the guide plates being in common Forming a communicating hole coaxial with the round hole to guide the instrument so that the instrument can pass only through the round hole, thereby preventing deviation of the instrument for puncturing the first sealing membrane to cause air leakage; and wherein the guide plates are arranged on both sides of the first sealing membrane. The completely separate puncture kit of claim 1, wherein the second seal component comprises: a coat; a second seal seat sealingly disposed in and connected to the shell, the second seal seat being provided with an axial through hole, and a second seal membrane fixedly connected to the through hole at an outer edge thereof and provided with a fine sewing means at a center thereof so that the first seal membrane can naturally be closed to form an airtight structure when no instrument is used, and also normal insertion of the instrument can not be hindered. Completely separate puncture kit according to claim 4, wherein the second seal seat is provided with a seal structure for sealing with the jacket and the second seal membrane and the seal structure are separated from each other so that the second seal membrane can not be deformed due to the seal connection between the second seal seat and the jacket; the second seal seat is fixedly connected to the shell to limit the movement thereof with respect to the shell and to avoid deformation of the seal structure under a frictional force; the second sealing membrane comprises a plane provided with the fine sewing means and curved surfaces disposed on both sides of the plane; and each of the curved surfaces is provided with a reinforcing rib perpendicular to the fine sewing means, whereby the fine sewing means can be quickly retrieved after the instrument has been pulled out to avoid air leakage. A completely separate puncture kit according to any one of claims 1 to 5, wherein the catheter comprises: a plurality of first barbs uniformly disposed on an outer surface of the catheter; and a plurality of inverted second barbs disposed between the first barbs and spaced apart; wherein the first barbs and the second barbs are used to fix the catheter in two directions and to prevent the instrument, upon withdrawal, from causing the catheter to separate from a human body. The fully-separated puncture kit of claim 6, wherein the catheter has an end with a display structure to facilitate the indication of a position of the catheter. A completely separate puncture kit according to claim 7, wherein the support is provided with an annular kink structure which can fix the catheter to the skin by a suture. A fully separated puncture kit according to claim 8, wherein the air-inflatable structure is clamped in the support and sealed by an adhesive. The fully isolated puncture kit of claim 1 further comprising a puncture tool including a tool shank with a colored catheter sheath and a tool insert integrally connected to the tool shank.

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