CN111134950B - A posterior scleral compression device for patients with high myopia - Google Patents

Abstract

The invention discloses a posterior sclera pressurizing device for patients with high myopia, which comprises a handheld mechanism, wherein an air bag mechanism is arranged in the handheld mechanism, one end of the air bag mechanism extends out of the handheld mechanism, and a pressing mechanism is arranged outside the air bag mechanism outside the handheld mechanism. Avoiding influencing the taking out of the whole device.

Description

Posterior sclera pressurizing device for high myopia patient

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a posterior sclera pressurizing device for a patient with high myopia.

Background

Scleral compression is commonly used for treatment of scleral staphyloma, macular holes, macular cleavage, and the like after high myopia, and provides an important means for treatment of ocular fundus complications of high myopia.

The conventional sclera pressurizing device cannot reset after pressurizing the eyeball, so that the sclera pressurizing device is easy to cause secondary damage to the eyeball when being taken out, and a posterior sclera pressurizing device for a patient with high myopia needs to be designed.

Disclosure of Invention

The invention aims to solve the problems that the conventional sclera pressurizing device cannot restore the eyeball after pressurizing the eyeball, so that the sclera pressurizing device is easy to cause secondary damage to the eyeball when being taken out.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides a back sclera pressure device for high myopia patient, includes a handheld mechanism, handheld mechanism's inside is provided with an gasbag mechanism, outside wherein one end of gasbag mechanism extended to handheld mechanism, be located the outer gasbag mechanism of handheld mechanism is provided with a pressing means outward, pressing means installs on handheld mechanism, the inside of gasbag mechanism is provided with a loading system, the internally mounted of gasbag mechanism has a canceling release mechanical system, the last position that corresponds canceling release mechanical system of loading system is provided with a positioning mechanism.

Preferably, the handheld mechanism comprises a handheld end, one end of the handheld end is fixedly connected with a pressurizing end, a layer of rubber sleeve is fixedly sleeved on the outer rod wall of the handheld end, a layer of anti-skid grains are arranged on the outer cylinder wall of the rubber sleeve, the handheld end and the pressurizing end are integrally arranged, and the handheld end and the pressurizing end are both made of elastic alloy or elastic polymer materials.

Preferably, the gasbag mechanism includes a pressurization chamber, the pressurization chamber is seted up inside the one end that the handheld end was kept away from to the pressurization end, run through on the chamber wall of one side wherein of pressurization chamber and seted up a through-hole, the one end drill way that the pressurization chamber was kept away from to the through-hole runs through pressurization end and handheld end in proper order and is linked together with the outside, fixedly connected with a first pressurization gasbag on the bottom chamber wall in pressurization chamber, fixed intercommunication has a communicating pipe on the first pressurization gasbag, the one end that first pressurization gasbag was kept away from to the communicating pipe runs through the through-hole and extends to the handheld end outside and fixed intercommunication has a second pressurization gasbag.

Preferably, the pressing mechanism includes a protection sleeve that is the setting of lower extreme opening, protection sleeve fixed connection is served in the handheld of corresponding second pressurization gasbag position, be the symmetry form on the protection sleeve and seted up two fixed orificess, two equal sliding connection has a fixed block in the fixed orifices, two the corresponding drill way that two fixed block looks one end run through two fixed orificess respectively and extend to in the protection sleeve, two the fixed block is located the equal fixed plate of fixedly connected with of one end in the protection sleeve, two the one end that the fixed block was carried on the back mutually runs through the corresponding drill way of two fixed orificess respectively and extends to outside the protection sleeve.

Preferably, the pressurizing mechanism comprises a first supporting block, the first supporting block is fixedly connected to the upper surface of the first pressurizing air bag, a supporting rod is fixedly connected to the center of the upper surface of the first supporting block, a pressurizing hole is formed in the upper end cavity wall of the pressurizing cavity corresponding to the position of the supporting rod in a penetrating mode, a silica gel block is fixedly connected to an upper end orifice of the pressurizing hole, one end, far away from the first supporting block, of the supporting rod penetrates through a lower end orifice of the pressurizing hole and extends into the pressurizing hole, a second supporting block is fixedly connected to the lower end orifice of the pressurizing hole, and the upper surface of the second supporting block abuts against the lower surface of the silica gel block.

Preferably, the reset mechanism comprises a mounting plate, the mounting plate is fixedly connected to the wall of the pressurizing cavity, a mounting hole is formed in the mounting plate in a penetrating mode corresponding to the position of the supporting rod, a spring is fixedly connected to the wall of the mounting hole, the upper end of the spring sequentially penetrates through an upper end orifice of the mounting hole and a lower end orifice of the pressurizing hole and extends into the pressurizing hole, one end of the spring, which is located in the pressurizing hole, is fixedly connected to the lower surface of the second supporting block, and the lower end of the spring penetrates through the lower end orifice of the mounting hole and extends downwards to the upper surface of the first supporting block.

Preferably, the positioning mechanism comprises two positioning rods which are vertically arranged, the two positioning rods are symmetrically fixedly connected to the upper surface of the first supporting block, two positioning holes are formed in the mounting plate corresponding to the two positioning rods in a penetrating mode, and the upper ends of the two positioning rods respectively penetrate through the two positioning holes and extend upwards.

Preferably, the second pressurizing air bag is arranged inside the protective sleeve, and the second pressurizing air bag is respectively abutted against the opposite side walls of the two fixing plates.

The invention has the beneficial effects that:

1. the invention relates to a posterior sclera pressurizing device for patients with high myopia, which is characterized in that a first supporting block, a supporting rod, a pressurizing hole, a silica gel block, a second supporting block, a fixing plate, a mounting hole, a spring, a positioning rod and a positioning hole are arranged, when the posterior sclera pressurizing device is used, the first supporting block is jacked through a first pressurizing air bag, the first supporting block drives the second supporting block to jack up the silica gel block through the supporting rod to exert a pressurizing effect, and then when the posterior pressurizing device needs to be reset, the spring is fixedly connected in the mounting hole and cannot move, so that the spring pulls back the second supporting block downwards and springs down the first supporting block, the first supporting block and the second supporting block are both restored to the original position and the jack up of the silica gel block is released, and at the moment, the silica gel block is restored to the original shape under the self elastic effect, and the taking-out of the whole device is prevented from being influenced.

2. The invention relates to a posterior sclera pressurizing device for patients with high myopia, which is characterized in that a pressurizing cavity, a first pressurizing air bag, a through hole, a communicating pipe, a second pressurizing air bag, a protective sleeve barrel, a fixing hole, a fixing block and a fixing plate are arranged, when the posterior sclera pressurizing device is used, the fixing block is pressed towards the interior of the protective sleeve barrel, the fixing block drives the two fixing plates to extrude the second pressurizing air bag towards the interior of the protective sleeve barrel, the second pressurizing air bag conveys gas towards the interior of the first pressurizing air bag through the communicating pipe, and then the second pressurizing air bag expands to push the first supporting block upwards for jacking, so that a silica gel block can be driven to carry out posterior sclera pressurizing operation.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the pressing mechanism of the present invention;

FIG. 3 is a schematic view of the present invention in partial plan view in section;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is an enlarged schematic structural view of a portion B of fig. 1 according to the present invention.

In the figure: 1. a hand-held mechanism; 11. a handheld end; 12. a pressurizing end; 13. a rubber sleeve; 2. an air bag mechanism; 21. a pressurization cavity; 22. a first pressurizing airbag; 23. a through hole; 24. a communicating pipe; 25. a second pressurized bladder; 3. a pressing mechanism; 31. a protective sleeve; 32. a fixing hole; 33. a fixed block; 34. a fixing plate; 4. a pressurizing mechanism; 41. a first support block; 42. a support bar; 43. a pressurizing hole; 44. a silica gel block; 45. a second support block; 5. a reset mechanism; 51. mounting a plate; 52. mounting holes; 53. a spring; 6. a positioning mechanism; 61. positioning a rod; 62. and (7) positioning the holes.

The specific implementation mode is as follows:

as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment:

a posterior sclera pressurizing device for a patient with high myopia comprises a handheld mechanism 1, an air bag mechanism 2 is arranged inside the handheld mechanism 1, one end of the air bag mechanism 2 extends out of the handheld mechanism 1, a pressing mechanism 3 is arranged outside the air bag mechanism 2 outside the handheld mechanism 1, the pressing mechanism 3 is installed on the handheld mechanism 1, a pressurizing mechanism 4 is arranged inside the air bag mechanism 2, a reset mechanism 5 is installed inside the air bag mechanism 2, a positioning mechanism 6 is arranged on the pressurizing mechanism 4 corresponding to the reset mechanism 5, when the device is used, a temporal bulbar conjunctiva and a fascia of the patient are firstly opened, then the temporal bulbar conjunctiva and the fascia are inserted under the fascia through the handheld mechanism 1 and extend backwards to the lower part of a macular region along the wall of a sclera, at the moment, the air bag mechanism 2 is pressed through the pressing mechanism 3, the air bag mechanism 2 pushes the pressurizing mechanism 4 to perform pressurizing operation, after the pressurization operation is finished, the pressurization mechanism 4 and the air bag mechanism 2 are driven to reset through the resetting mechanism 5, and meanwhile, the positioning mechanism 6 can prevent the pressurization mechanism 4 from deviating.

The handheld mechanism 1 comprises a handheld end 11, one end of the handheld end 11 is fixedly connected with a pressurizing end 12, a layer of rubber sleeve 13 is fixedly sleeved on the outer rod wall of the handheld end 11, a layer of anti-skid grains are arranged on the outer cylinder wall of the rubber sleeve 13, the handheld end 11 and the pressurizing end 12 are integrally arranged, and the handheld end 11 and the pressurizing end 12 are both made of elastic alloy or elastic polymer materials.

Wherein, gasbag mechanism 2 includes a pressurization chamber 21, pressurization chamber 21 sets up inside pressurization end 12 keeps away from the one end of handheld end 11, it has seted up a through-hole 23 to run through on the chamber wall of one side wherein of pressurization chamber 12, the one end drill way that pressurization chamber 21 was kept away from to through-hole 23 runs through pressurization end 12 and handheld end 11 in proper order and is linked together with the outside, fixedly connected with a first pressurization gasbag 22 on the bottom chamber wall of pressurization chamber 21, fixed intercommunication has a communicating pipe 24 on the first pressurization gasbag 22, the one end that first pressurization gasbag 22 was kept away from to communicating pipe 24 runs through-hole 23 and extends to handheld end 11 outer and fixed intercommunication has a second pressurization gasbag 25.

Wherein, pressing means 3 includes that one is the protective sleeve 31 that the lower extreme opening set up, protective sleeve 31 fixed connection is on corresponding the handheld end 11 of second pressurization gasbag 25 position, it has seted up two fixed orificess 32 to be the symmetry form on the protective sleeve 31, equal sliding connection has a fixed block 33 in two fixed orificess 32, two fixed block 33 one end in opposite directions run through the corresponding drill way of two fixed orificess 32 respectively and extend to in the protective sleeve 31, two fixed block 33 are located the equal fixed plate 34 of fixedly connected with of one end in the protective sleeve 31, two fixed block 33 one end of carrying on the back mutually run through the corresponding drill way of two fixed orificess 32 respectively and extend to outside protective sleeve 31.

Wherein, the pressurizing mechanism 4 includes a first supporting block 41, the first supporting block 41 is fixedly connected to the upper surface of the first pressurizing airbag 22, a supporting rod 42 is fixedly connected to the center of the upper surface of the first supporting block 41, a pressurizing hole 43 is formed in the upper end cavity wall of the pressurizing cavity 21 corresponding to the position of the supporting rod 42, a silica gel block 44 is fixedly connected to the upper end orifice of the pressurizing hole 41, one end of the supporting rod 42, which is far away from the first supporting block 41, penetrates through the lower end orifice of the pressurizing hole 43 and extends into the pressurizing hole 43, and is fixedly connected with a second supporting block 45, and the upper surface of the second supporting block 45 is abutted to the lower surface of the silica gel block 44.

The reset mechanism 5 includes a mounting plate 51, the mounting plate 51 is fixedly connected to the wall of the pressure chamber 21, a mounting hole 52 is formed in the mounting plate 51 in a penetrating manner corresponding to the position of the support rod 42, a spring 53 is fixedly connected to the wall of the mounting hole 52, the upper end of the spring 53 sequentially penetrates through the upper end opening of the mounting hole 52 and the lower end opening of the pressure hole 43 and extends into the pressure hole 43, one end of the spring 53 located in the pressure hole 43 is fixedly connected to the lower surface of the second support block 45, and the lower end of the spring 53 penetrates through the lower end opening of the mounting hole 52 and extends downward to the upper surface of the first support block 41.

Wherein, positioning mechanism 6 includes two locating levers 61 that are vertical form setting, and two locating levers 61 are symmetry form fixed connection at the upper surface of first supporting block 41, run through on the mounting panel 51 that corresponds two locating levers 61 positions and have seted up two locating holes 62, and two locating holes 62 are run through respectively and upwards extend to the upper end of two locating levers 61.

The second pressurizing air bag 25 is disposed inside the protecting sleeve 31, and the second pressurizing air bag 25 is respectively abutted against the opposite side walls of the two fixing plates 34.

The using state of the invention is as follows: the invention relates to a posterior sclera pressurizing device for a patient with high myopia, when in use, firstly, the temporal bulbar conjunctiva and fascia of the patient are opened, then the pressurizing end 12 is held by the holding end 11, the pressurizing end 12 is inserted under the fascia and extends backwards to the lower part of the macular region along the scleral wall, at this time, the fixing block 33 is pressed towards the inner part of the protective sleeve 31, the fixing block 33 pushes the fixing plate 34 inwards to extrude the second pressurizing air bag 25, the second pressurizing air bag 25 transmits air to the inner part of the first pressurizing air bag 22 through the communicating pipe 24, so that the first pressurizing air bag 22 expands and drives the first supporting block 41 to ascend, meanwhile, under the limit of the positioning hole 62 and the positioning rod 61, the first supporting block 41 can stably ascend and descend, so that the first supporting block 41 drives the second supporting block 45 to stably ascend through the supporting rod 42, the second supporting block 45 drives the silica gel block 44 to ascend for pressurizing operation, because of spring 53 fixed connection in mounting hole 52, and can extrude spring 53 when first supporting shoe 41 rises, can stretch spring 53 when second supporting shoe 45 is jacking, loosen fixed block 33 and remove the extrusion to second pressurization gasbag 25 after the pressurization is accomplished, make spring 53 pull back second supporting shoe 45 downwards and promote first supporting shoe 41 downwards, make second supporting shoe 45 remove the jacking to silica gel block 44, silica gel block 44 returns the former form under self elasticity this moment, avoid can influencing taking out of pressurization end 12.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (4)

1. A posterior sclera pressurizing device for a patient with high myopia is characterized by comprising a handheld mechanism (1), wherein an air bag mechanism (2) is arranged inside the handheld mechanism (1), one end of the air bag mechanism (2) extends out of the handheld mechanism (1), a pressing mechanism (3) is arranged outside the air bag mechanism (2) outside the handheld mechanism (1), the pressing mechanism (3) is installed on the handheld mechanism (1), a pressurizing mechanism (4) is arranged inside the air bag mechanism (2), a resetting mechanism (5) is installed inside the air bag mechanism (2), and a positioning mechanism (6) is arranged on the pressurizing mechanism (4) corresponding to the resetting mechanism (5); the handheld mechanism (1) comprises a handheld end (11), one end of the handheld end (11) is fixedly connected with a pressurizing end (12), a layer of rubber sleeve (13) is fixedly sleeved on the outer rod wall of the handheld end (11), a layer of anti-skid grains are arranged on the outer cylinder wall of the rubber sleeve (13), the handheld end (11) and the pressurizing end (12) are integrally arranged, and the handheld end (11) and the pressurizing end (12) are both made of elastic alloy or elastic polymer materials; the air bag mechanism (2) comprises a pressurizing cavity (21), the pressurizing cavity (21) is arranged inside one end, away from the handheld end (11), of the pressurizing end (12), a through hole (23) penetrates through the cavity wall of one side of the pressurizing cavity (12), one end hole, away from the pressurizing cavity (21), of the through hole (23) penetrates through the pressurizing end (12) and the handheld end (11) in sequence and is communicated with the outside, a first pressurizing air bag (22) is fixedly connected to the cavity wall of the bottom end of the pressurizing cavity (21), a communicating pipe (24) is fixedly communicated with the first pressurizing air bag (22), one end, away from the first pressurizing air bag (22), of the communicating pipe (24) penetrates through the through hole (23) and extends out of the handheld end (11) and is fixedly communicated with a second pressurizing air bag (25); the pressurizing mechanism (4) comprises a first supporting block (41), the first supporting block (41) is fixedly connected to the upper surface of the first pressurizing air bag (22), a supporting rod (42) is fixedly connected to the center of the upper surface of the first supporting block (41), a pressurizing hole (43) penetrates through the upper end cavity wall of the pressurizing cavity (21) corresponding to the position of the supporting rod (42), an upper end orifice of the pressurizing hole (41) is fixedly connected with a silica gel block (44), one end, far away from the first supporting block (41), of the supporting rod (42) penetrates through a lower end orifice of the pressurizing hole (43) and extends into the pressurizing hole (43), a second supporting block (45) is fixedly connected with the supporting rod, and the upper surface of the second supporting block (45) is abutted to the lower surface of the silica gel block (44); reset mechanism (5) include a mounting panel (51), mounting panel (51) fixed connection is on the chamber wall in pressurization chamber (21), mounting panel (51) are gone up the position that corresponds bracing piece (42) and are run through and have seted up a mounting hole (52), fixedly connected with spring (53) on the pore wall of mounting hole (52), the upper end of spring (53) is run through the upper end drill way of mounting hole (52) and the lower extreme drill way of pressurization hole (43) in proper order and is extended to in pressurization hole (43), one end fixed connection that spring (53) are located pressurization hole (43) is at the lower surface of second supporting shoe (45), the lower extreme of spring (53) runs through the lower extreme drill way of mounting hole (52) and downwardly extending and fixed connection is at the upper surface of first supporting shoe (41).

2. The posterior scleral compression device of claim 1, wherein the posterior scleral compression device comprises: pressing means (3) are including a lag sleeve (31) that is the lower extreme opening and sets up, lag sleeve (31) fixed connection is on handheld end (11) that corresponds second pressurization gasbag (25) position, be two fixed orifices (32) have been seted up to the symmetry form on lag sleeve (31), two equal sliding connection has a fixed block (33) in fixed orifices (32), two fixed block (33) one end in opposite directions runs through the corresponding drill way of two fixed orifices (32) respectively and extends to in lag sleeve (31), two the equal fixedly connected with of one end that fixed block (33) are located lag sleeve (31) is fixed plate (34), two fixed block (33) one end of carrying on the back mutually runs through the corresponding drill way of two fixed orifices (32) respectively and extends to outside lag sleeve (31).

3. The posterior scleral compression device of claim 1, wherein the posterior scleral compression device comprises: positioning mechanism (6) include two locating levers (61) that are vertical form setting, two locating lever (61) are symmetry form fixed connection at the upper surface of first supporting block (41), correspond two run through on mounting panel (51) of locating lever (61) position and seted up two locating holes (62), two the upper end of locating lever (61) runs through two locating holes (62) respectively and upwards extends.

4. The posterior scleral compression device of claim 3, wherein the posterior scleral compression device comprises: the second pressurizing air bag (25) is arranged inside the protective sleeve (31), and the second pressurizing air bag (25) is respectively abutted against the opposite side walls of the two fixing plates (34).

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