CN217014117U - Disposable prepackage type ophthalmology is from expanding type iris drag hook - Google Patents
Disposable prepackage type ophthalmology is from expanding type iris drag hook Download PDFInfo
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- CN217014117U CN217014117U CN202123076373.1U CN202123076373U CN217014117U CN 217014117 U CN217014117 U CN 217014117U CN 202123076373 U CN202123076373 U CN 202123076373U CN 217014117 U CN217014117 U CN 217014117U
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- Prior art keywords
- disposable
- pipe body
- outer side
- iris
- pipe
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- Expired - Fee Related
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- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 claims abstract description 7
- 239000004743 Polypropylene Substances 0.000 claims abstract description 6
- 229920001155 polypropylene Polymers 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 210000001747 pupil Anatomy 0.000 abstract description 18
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 210000000554 iris Anatomy 0.000 description 27
- 230000000694 effects Effects 0.000 description 8
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- 230000008901 benefit Effects 0.000 description 7
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- 208000002177 Cataract Diseases 0.000 description 2
- 206010022945 Iris adhesions Diseases 0.000 description 2
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- 238000000926 separation method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000010412 Glaucoma Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 241001484259 Lacuna Species 0.000 description 1
- 206010024214 Lenticular opacities Diseases 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 201000004614 iritis Diseases 0.000 description 1
- 238000002430 laser surgery Methods 0.000 description 1
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Abstract
The utility model discloses a disposable pre-installed ophthalmic self-expanding iris retractor, which comprises a pipe body, wherein a positioning ring is fixedly sleeved on the outer side of the pipe body, two push plates are arranged at one end of the pipe body, a cross is fixedly installed in the pipe body, a threaded sleeve is fixedly installed on the inner side of the cross, a screw rod is connected with the inner thread of the threaded sleeve in a threaded manner, an operating plate is fixedly installed at one end of the screw rod, and anti-skid grains are arranged on the outer side of the operating plate. Through the overall structure who sets up, the product has different models, selects the size of ring and the length of drag hook according to patient's pupil condition, and the polypropylene can be selected to the material, can adopt the ethylene oxide disinfection, and is safe nontoxic, convenient to use, and the structural design of prepackage type has improved the design of current a plurality of puncture iris drag hooks, and the end of the operation can directly be cut off and take out, convenient and practical, doctor easy operation, and the integration has been avoided losing easily, and the infection of operation can be avoided in disposable design.
Description
Technical Field
The utility model belongs to the technical field of ophthalmology, and particularly relates to a disposable pre-installed ophthalmic self-expanding iris draw hook.
Background
The foremost part of the mesolamella of the eyeball, located between the cornea and the crystalline lens, divides the lacuna into the anterior chamber and the posterior chamber of the eye, and the iris is disc-shaped, and has a circular hole in the center, called the pupil (pupil), and the iris tissue around the pupil contains two kinds of smooth muscle fibers: one type of iris diaphragm is called the diaphora-or papillalae muscle, which is arranged radially around the iris and innervated by sympathetic nerve fibers, and dilates the pupil when it contracts, allowing more weak light to be absorbed; the other, which surrounds the pupil, called the pupil sphincter (sphincteric), is innervated by parasympathetic fibers in the nerves of the eye, which constricts the pupil when contracted to reduce intense light stimulation. The iris inner epithelial cells contain melanocytes, and the number and distribution of the melanocytes are different, so that human irises have various colors such as black, blue or gray.
Iris synechia (synechia), which is a complication generally occurring after intraocular inflammation, wherein point-shaped or spoke-shaped adhesion and pupil deformation exist between the pupillary margin and the anterior capsule of the lens, and if the adhesion is very tight, the pupil can not be enlarged or reduced; complete adhesion can lead to the emergence of glaucoma, need be under drug control, laser surgery treatment, the acceptable iris adhesion separation technique of iris adhesion separation technique treatment of the patient of repeated activity iritis, the cataract is the lens opacity, need take out the lens during operation, can also implant intraocular lens, this vitreous pre-operative preparation that can influence the operation of this influences if the pupil does not scatter is to scatter big pupil, only the pupil is enough scattered big, the field of vision is clear in the operation, the operation process just can be smooth, many ophthalmic preoperative operations all need to scatter the pupil, but the scattered pupil of pupil adhesion can not open greatly increased the operation degree of difficulty, reduce the operation success.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a disposable pre-installed ophthalmic self-expanding type iris retractor, which solves the problems that the difficulty of surgery is greatly increased and the success of surgery is reduced due to the fact that the adhesion of pupils is not loosened.
In order to achieve the purpose, the utility model provides the following technical scheme: a disposable pre-installed ophthalmic self-expanding iris retractor comprises a tube body, a positioning ring is fixedly sleeved on the outer side of the tube body, one end of the tube body is provided with two push plates, a cross is fixedly arranged inside the tube body, the inner side of the cross is fixedly provided with a threaded sleeve, the inner thread of the threaded sleeve is connected with a screw rod, an operating plate is fixedly arranged at one end of the screw rod, anti-skid grains are arranged on the outer side of the operating plate, a rotating shaft seat is movably sleeved at the outer side of the other end of the screw rod, a conical piston is fixedly arranged at one side of the rotating shaft seat, a sealing ring is movably sleeved outside the conical piston, a conical pipe is arranged at one end of the pipe body, the other end of the taper pipe is communicated with a connecting pipe, a round silica gel sheet is arranged on the outer side of the connecting pipe, the other end of the connecting pipe is communicated with a circular spreader, and five drag hooks are arranged on the inner side of the circular spreader.
Preferably, the tube body is of a transparent structure, and scale marks are arranged on the outer side of the tube body.
By adopting the technical scheme, the pneumatic circular dilator has the advantages that the scheme is convenient for operators to observe and operate to deal with different opening angles and judge the air pressure required by the circular dilator, and the opening angle of the pneumatic circular dilator is improved.
Preferably, the antiskid lines are uniformly distributed on the outer side of the operation plate.
Through adopting above-mentioned technical scheme, the advantage lies in avoiding sliding under the condition of gloves, convenient to use.
Preferably, the conical piston is movably sleeved inside the pipe body, the sealing ring is in contact with the inner wall of the pipe body, and the specification and the size of the conical piston are matched with those of the conical pipe.
Through adopting above-mentioned technical scheme, the advantage lies in that the cooperation sealing ring can form the auto-lock effect with the screw thread cover between the reaction force of atmospheric pressure, avoids the backward flow of atmospheric pressure, has increased the practicality.
Preferably, five drag hooks are uniformly distributed on the inner side of the circular spreader in a circular shape.
Through adopting above-mentioned technical scheme, the advantage lies in making overall structure stable to carry out the circumference with the iris and strut convenient to use.
Preferably, the inside at circular opener both ends all is provided with the shutoff piece.
Through adopting above-mentioned technical scheme, the advantage lies in that the shutoff piece avoids the structure internal gas pressure not to dissipate, is convenient for carry out the shutoff result of use to inside when production.
Preferably, the material of the pipe body is polypropylene, and ethylene oxide is adopted for sterilization.
By adopting the technical scheme, the novel sterilization device has the advantages that the material can be selected from polypropylene, ethylene oxide can be used for sterilization, the novel sterilization device is safe, non-toxic and convenient to use, and convenient operation can be carried out by the sterilization device and the use of the whole body.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the circular dilator is used, a corneal limbus incision is made on the corneal limbus, the circular dilator is placed into the anterior chamber through the incision, the circular dilator and the iris draw hook are pushed to be well placed in the anterior chamber, the position of the iris is correspondingly pulled open by operating the draw hook through the positioning hook, the circular silica gel sheet is positioned around the eyes to be used as a support, then the screw rod is driven to rotate by rotating the operating plate, the screw rod and the threaded sleeve are in threaded fit connection and rotate, the connection is similar to a bolt and a nut, the conical piston is pushed forwards under the action of a rotating shaft seat when the screw rod rotates, the air flow in the pipe body is compressed, then the air flow is pushed into the conical pipe under the sealing effect of the sealing ring and is pushed into the connecting pipe through the conical pipe, the air flow enters the circular dilator through the connecting pipe, the air pressure is obtained, and the circular dilator is automatically opened, the utility model has the advantages of make the juncture of cornea and iris open and form a circular automatic flick, five drag hooks are connected with circular spreader to pull open the iris, and only need cut the connecting pipe after using, and cut circular spreader and take out from the breach, this scheme reply in disposable, excellent in use effect, and change the traditional drag hook and need open the operation degree of difficulty in five holes, increased the convenience of operation.
2. Through the overall structure who sets up, the product has different models, selects the size of ring and the length of drag hook according to patient's pupil condition, and the polypropylene can be selected to the material, can adopt the ethylene oxide disinfection, and is safe nontoxic, convenient to use, and the structural design of prepackage type has improved the design of current a plurality of puncture iris drag hooks, and the end of the operation can directly be cut off and take out, convenient and practical, doctor easy operation, and the integration has been avoided losing easily, and disposable design can avoid the infection of operation.
Drawings
FIG. 1 is a front perspective structure of the present invention;
FIG. 2 is a schematic diagram of a rear perspective structure according to the present invention;
FIG. 3 is a top cross-sectional structural view of the present invention;
FIG. 4 is a right sectional structural view of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
In the figure: 1. a pipe body; 2. a taper pipe; 3. a circular silica gel sheet; 4. a circular distractor; 5. pulling a hook; 6. a plugging block; 7. a connecting pipe; 8. a positioning ring; 9. scale lines; 10. pushing a plate; 11. anti-skid lines; 12. an operation panel; 13. a screw; 14. a cross; 15. a seal ring; 16. a conical piston; 17. a rotating shaft seat; 18. and (4) a threaded sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a disposable pre-installed ophthalmic self-expanding iris retractor comprises a tube body 1, a positioning ring 8 is fixedly sleeved on the outer side of the tube body 1, two push plates 10 are arranged at one end of the tube body 1, a cross 14 is fixedly arranged inside the tube body 1, a thread bush 18 is fixedly arranged inside the cross 14, a screw 13 is connected inside the thread bush 18 in a threaded manner, an operating plate 12 is fixedly arranged at one end of the screw 13, anti-skid threads 11 are arranged outside the operating plate 12, a rotating shaft seat 17 is movably sleeved on the outer side of the other end of the screw 13, a conical piston 16 is fixedly arranged on one side of the rotating shaft seat 17, a sealing ring 15 is movably sleeved on the outer side of the conical piston 16, a conical tube 2 is arranged at one end of the tube body 1, a connecting tube 7 is communicated with the other end of the conical tube 2, a circular silica gel sheet 3 is arranged on the outer side of the connecting tube 7, and a circular spreader 4 is communicated with the other end of the connecting tube 7, five drag hooks 5 are arranged on the inner side of the circular spreader 4.
The working principle of the technical scheme is as follows:
when in use, the device is taken out from the package, a corneal limbus incision is made at the corneal limbus, the circular spreader 4 is put into the anterior chamber through the incision, the circular spreader 4 and the iris retractor 5 are pushed to be well placed in the anterior chamber, the position of the iris correspondingly spread by the retractor 5 is operated by a positioning hook, the circular silicone sheet 3 is positioned around the eyes as a support, the screw 13 is driven to rotate by rotating the operation plate 12, the screw 13 and the thread sleeve 18 are in thread fit connection rotation, the connection is similar to a bolt and a nut, the screw 13 is driven to move forwards by the action of the rotating shaft seat 17, the air flow in the tube body 1 is compressed, then the air flow is pushed into the cone tube 2 under the sealing action of the sealing ring 15, the air flow is pushed into the connecting tube 7 through the cone tube 2, and enters the circular spreader 4 through the connecting tube 7, the device is opened automatically by obtaining air pressure, the junction of the cornea and the iris is opened to form a circular automatic springing-open, the five draw hooks 5 are connected with the circular spreader 4 and pull the iris open, after the device is used, only the connecting pipe 7 needs to be cut off, and the circular spreader 4 is cut off and taken out from the gap.
In another embodiment, as shown in fig. 1 and 2, the tube 1 is a transparent structure, and the outside of the tube 1 is provided with scale marks 9.
The scheme is convenient for operators to observe and operate different opening angles and judge the air pressure required by the circular spreader 4, and the spreading angle of the circular spreader is improved.
In another embodiment, as shown in fig. 1-3, the non-slip threads 11 are evenly distributed on the outer side of the operating plate 12.
The anti-slip lines 11 are arranged, so that friction force on the operating plate 12 during operation of a doctor can be increased, slipping under the condition of gloves is avoided, and the use is convenient.
In another embodiment, as shown in fig. 3 and 4, a conical piston 16 is movably sleeved inside the pipe body 1, a sealing ring 15 is in contact with the inner wall of the pipe body 1, and the specification of the conical piston 16 is matched with the specification of the conical pipe 2.
In another embodiment, as shown in fig. 1-4, five drag hooks 5 are uniformly distributed in a circular shape on the inner side of the circular dilator 4.
Five drag hooks 5 can be under the distraction effect of circular spreader 4 for overall structure is stable, and carry out the circumference with the iris and strut convenient to use.
In another embodiment, as shown in figures 1-3, the interior of both ends of the circular distractor 4 are provided with a blocking piece 6.
The blocking block 6 avoids air pressure in the structure from dissipating, and is convenient for blocking the inside during production, so that the using effect is good.
In another embodiment, as shown in fig. 1-4, the material of the tubular body 1 is polypropylene and ethylene oxide is used for sterilization.
The material can select the polypropylene, can adopt the ethylene oxide disinfection, and is safe nontoxic, convenient to use, and the holistic disinfection of being convenient for makes it can carry out convenient operation with using, and has soft elasticity structure during circular spreader 4, is convenient for get into the place ahead from the cornea mouth under soft state, avoids hard type material damage patient's eye and structure.
The working principle and the using process of the utility model are as follows: when in use, the device is taken out of the package, a corneal limbus incision is made on the corneal limbus, the circular dilator 4 is placed in the anterior chamber through the incision, the circular dilator 4 and the iris draw hook 5 are pushed to be placed in the anterior chamber, the position of the draw hook 5 corresponding to the position of the iris to be pulled open is operated by the position adjusting hook, the circular silica gel sheet 3 is positioned around the eye to be used as a support, the operation plate 12 is rotated to drive the screw rod 13 to rotate, the screw rod 13 and the threaded sleeve 18 are connected and rotated in a thread matching way, the connection is similar to a bolt and a nut, when the screw rod 13 rotates, the conical piston 16 is pushed forwards under the action of the rotating shaft seat 17, the air flow in the tube body 1 is compressed, then under the sealing action of the sealing ring 15, the air flow is pushed into the conical tube 2, is pushed into the connecting tube 7 through the conical tube 2, and enters the circular dilator 4 through the connecting tube 7, the device is enabled to obtain air pressure and automatically open, so that the junction of the cornea and the iris is opened to form a circular automatic springing-open, the five drag hooks 5 are connected with the circular distracter 4 and pull the iris open, after the device is used, only the connecting pipe 7 needs to be cut off, and the circular distracter 4 is cut off and taken out from the gap.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Disposable prepackage type ophthalmology is from expanding type iris drag hook, including body (1), its characterized in that: a positioning ring (8) is fixedly sleeved on the outer side of a pipe body (1), two push plates (10) are arranged at one end of the pipe body (1), a cross (14) is fixedly installed inside the pipe body (1), a threaded sleeve (18) is fixedly installed on the inner side of the cross (14), a screw rod (13) is connected with the inner thread of the threaded sleeve (18), an operation plate (12) is fixedly installed at one end of the screw rod (13), anti-slip patterns (11) are arranged on the outer side of the operation plate (12), a rotating shaft seat (17) is movably sleeved on the outer side of the other end of the screw rod (13), a conical piston (16) is fixedly installed on one side of the rotating shaft seat (17), a sealing ring (15) is movably sleeved on the outer side of the conical piston (16), a conical pipe (2) is arranged at one end of the pipe body (1), a connecting pipe (7) is communicated with the other end of the conical pipe (2), and a circular silica gel sheet (3) is arranged on the outer side of the connecting pipe (7), the other end of the connecting pipe (7) is communicated with a circular spreader (4), and five drag hooks (5) are arranged on the inner side of the circular spreader (4).
2. The disposable preloaded ophthalmic self-expanding iris retractor of claim 1, wherein: the tube body (1) is of a transparent structure, and scale marks (9) are arranged on the outer side of the tube body (1).
3. The disposable pre-installed ophthalmic self-expanding iris retractor of claim 1, wherein: the anti-skid lines (11) are uniformly distributed on the outer side of the operation plate (12).
4. The disposable preloaded ophthalmic self-expanding iris retractor of claim 1, wherein: the conical piston (16) is movably sleeved inside the pipe body (1), the sealing ring (15) is in contact with the inner wall of the pipe body (1), and the specification size of the conical piston (16) is matched with that of the conical pipe (2).
5. The disposable preloaded ophthalmic self-expanding iris retractor of claim 1, wherein: five draw hooks (5) are circularly and evenly distributed on the inner side of the circular spreader (4).
6. The disposable preloaded ophthalmic self-expanding iris retractor of claim 1, wherein: the inner parts of the two ends of the circular spreader (4) are provided with plugging blocks (6).
7. The disposable pre-installed ophthalmic self-expanding iris retractor of claim 1, wherein: the pipe body (1) is made of polypropylene and is sterilized by ethylene oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123076373.1U CN217014117U (en) | 2021-12-09 | 2021-12-09 | Disposable prepackage type ophthalmology is from expanding type iris drag hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123076373.1U CN217014117U (en) | 2021-12-09 | 2021-12-09 | Disposable prepackage type ophthalmology is from expanding type iris drag hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217014117U true CN217014117U (en) | 2022-07-22 |
Family
ID=82441783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123076373.1U Expired - Fee Related CN217014117U (en) | 2021-12-09 | 2021-12-09 | Disposable prepackage type ophthalmology is from expanding type iris drag hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217014117U (en) |
-
2021
- 2021-12-09 CN CN202123076373.1U patent/CN217014117U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |