CN214231706U - Eye fixing device for ophthalmologic operation - Google Patents
Eye fixing device for ophthalmologic operation Download PDFInfo
- Publication number
- CN214231706U CN214231706U CN202021646201.6U CN202021646201U CN214231706U CN 214231706 U CN214231706 U CN 214231706U CN 202021646201 U CN202021646201 U CN 202021646201U CN 214231706 U CN214231706 U CN 214231706U
- Authority
- CN
- China
- Prior art keywords
- handle
- negative pressure
- sucker
- sucking disc
- pressure device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001179 sorption measurement Methods 0.000 claims abstract description 54
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 41
- 238000001356 surgical procedure Methods 0.000 claims abstract description 16
- 210000001508 eye Anatomy 0.000 claims description 15
- 210000003128 head Anatomy 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000451 tissue damage Effects 0.000 abstract description 3
- 231100000827 tissue damage Toxicity 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 231100000319 bleeding Toxicity 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model provides an ophthalmic surgery eyeball fixing device, the electric iron comprises a handle, the one end of handle is equipped with the sucking disc, the one end that the handle was kept away from to the sucking disc is equipped with inside sunken arc adsorption plane, be equipped with in the arc adsorption plane of sucking disc and adsorb the mouth, be equipped with the air flue with adsorbing a mouthful UNICOM in the sucking disc, the air flue is connected with the vacuum apparatus on the handle. The device utilizes the negative pressure suction cup to fix the eyeball surface, overcomes the defects of pain, tissue damage and the like in the operation of a patient caused by the existing eyeball fixing instrument, and the negative pressure suction cup is fixed on the eyeball surface, can conveniently and reliably fix the eyeball without pain, has good use performance and is beneficial to improving the operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a eyeball fixing device is related to, concretely relates to eyeball fixing device for ophthalmic surgery.
Background
The eyeball is a very important sensory organ of the human body, the eye structure is fine, and even if the eye is slightly damaged, the structure can be changed, so that the visual function is reduced.
The ophthalmic surgery has high operation difficulty and fineness and has higher matching requirement on patients. The success of a surgery depends not only on the experience of the doctor, but also on the cooperation of the patients, and the good cooperation is the prerequisite for smooth surgery process and satisfactory surgery result. A well-fitted patient may not require or only require a slight fixation of the eyeball, whereas for a poorly-fitted patient a firm fixation of the eyeball is required. Since the rotation of the eyeball may cause inconvenience to the surgical operation and may cause damage to the eyeball of the patient, an eyeball-fixing device is required to fix the eyeball, thereby providing a guarantee for smooth implementation of the ophthalmic surgery.
Because the eyeball is a sphere and the surface is smooth, the fixation is difficult. In the past, the commonly used eyeball fixing apparatus for the ophthalmic operation mainly comprises a tooth forceps and a circular or semicircular immovable eyeball fixer.
The tip of the toothed forceps is provided with hooked teeth and is firmly clamped, but the patient generally feels obviously painful, and the tissue is damaged to a certain extent and carelessly torn, scratched and bleedings, so that the operation of the eye tissue and the recovery of the vision of the patient after the operation can be influenced by serious patients.
The immovable eyeball fixer has low applicability to different types of ophthalmic surgeries because the semi-ring or the full ring is immovable, and because the design is unreasonable, when the ophthalmic surgeries are performed on patients, surgeons are not easy to hold or apply force, thereby increasing great operation difficulty for surgeons.
With the improvement of living standard, the requirement of people on painlessness and operation effect of the operation is also improved. Therefore, a new concept and an effective and feasible method are needed to be found to solve the problem of painless fixation of the eyeball, minimize the damage to the eye tissue and increase the operability and stability of the operator during use.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to the weak point that prior art exists, provide an eyeball fixing device for ophthalmic surgery, the device utilizes the negative pressure to attract sucking disc fixed eyeball surface, overcomes defects such as pain, tissue damage in current eyeball stationary apparatus leads to patient's art, and the negative pressure attracts the sucking disc to fix eyeball surface, can make things convenient for, reliable carry out painless fixed to the eyeball, and performance is good, does benefit to and improves operation efficiency.
The technical solution of the utility model is that, provide following an eyeball fixing device for ophthalmic surgery, characterized by: the suction cup comprises a handle, the one end of handle is equipped with the sucking disc, the one end that the handle was kept away from to the sucking disc is equipped with inside sunken arc adsorption plane, be equipped with in the arc adsorption plane of sucking disc and adsorb the mouth, be equipped with in the sucking disc and adsorb the air flue of mouth UNICOM, the air flue is connected with the negative pressure device on the handle.
Preferably, the sucking disc is in universal connection with the handle, and the sucking disc comprises a universal ball head arranged on the sucking disc and a fixing part arranged at the end part of the handle and used for mounting the universal ball head.
Preferably, the negative pressure device comprises an integrated negative pressure device directly arranged on the handle and a split negative pressure device connected through a pipeline.
Preferably, the integrated negative pressure device comprises a piston type negative pressure device and a bag type negative pressure device.
Preferably, the piston type negative pressure device comprises a handle with a hollow tubular structure and a piston positioned in the handle, an operating rod extending to the outside of the handle is arranged on the piston, and the hollow tubular handle is communicated with the air passage of the sucker.
Preferably, the air bag type negative pressure device comprises a channel which is positioned in the handle for ventilation and is communicated with the air channel of the suction cup, and an air bag which is positioned at the tail end of the handle and is connected with the channel.
Preferably, the split type negative pressure device is an electric or manual negative pressure generator, one end of the pipeline is connected with the negative pressure generator, the other end of the pipeline is connected with the handle, a channel which is used for ventilation and communicated with the air passage of the sucker is arranged in the handle, and a control switch for controlling the flow of the negative pressure airflow is arranged on the handle.
Preferably, the adsorption port comprises a main adsorption port and an auxiliary adsorption port, the main adsorption port is located at the center of the arc-shaped adsorption surface of the sucker, the auxiliary adsorption port is located at the periphery of the main adsorption port, and the aperture of the main adsorption port is larger than that of the auxiliary adsorption port.
Preferably, the sucker is detachably connected with the handle, and the diameter of the sucker is 3mm, 5mm or 7 mm.
The beneficial effects of the technical scheme are as follows: the device utilizes the negative pressure suction cup to fix the eyeball surface, overcomes the defects of pain, tissue damage and the like in the operation of a patient caused by the existing eyeball fixing instrument, and the negative pressure suction cup is fixed on the eyeball surface, can conveniently and reliably fix the eyeball without pain, has good use performance and is beneficial to improving the operation efficiency.
Drawings
Fig. 1 is a schematic structural view of an eyeball fixing device used for ophthalmic surgery (example 1).
Fig. 2 is a schematic structural view of an eyeball fixing device used for ophthalmic surgery (example 2).
Fig. 3 is a schematic structural view of an eyeball fixing device used for ophthalmic surgery (example 3).
Fig. 4 is a schematic diagram of a sucker structure.
Fig. 5 is a bottom view of the structure of fig. 4.
Fig. 6 is a schematic top view of the structure of fig. 4.
Detailed Description
For convenience of explanation, the following will describe the eye fixing device for ophthalmic surgery in detail with reference to fig. 1 to 6.
Example 1: as shown in fig. 1, 4, 5, and 6: an eyeball fixing device for ophthalmologic operation comprises a handle 1, wherein one end of the handle 1 is provided with a sucker 2, one end of the sucker 2, which is far away from the handle 1, is provided with an inward concave arc-shaped adsorption surface 3, an adsorption port 4 is arranged in the arc-shaped adsorption surface 3 of the sucker 2, an air passage 5 communicated with the adsorption port 4 is arranged in the sucker 2, the air passage 5 is connected with a negative pressure device 6 on the handle 1, the sucker 2 is in universal connection with the handle 1, the eyeball fixing device comprises a universal ball head 7 arranged on the sucker 2 and a fixing part 8 arranged at the end part of the handle 1 and used for installing the universal ball head 7, the sucker 2 is detachably connected with the handle 1, the diameter of the sucker 2 is 3mm, 5mm or 7mm, the adsorption port 4 comprises a main adsorption port 4.1 and an auxiliary adsorption port 4.2, the main adsorption port 4.1 is positioned at the central position of the arc-shaped adsorption surface 3 of the sucker 2, the auxiliary adsorption port 4.2 is located at the periphery of the main adsorption port 4.1, the aperture of the main adsorption port 4.1 is larger than that of the auxiliary adsorption port 4.2, the negative pressure device 6 comprises an integrated negative pressure device 6 directly arranged on the handle 1, the integrated negative pressure device 6 comprises a piston type negative pressure device 6, the piston type negative pressure device 6 comprises a handle 1 with a hollow tubular structure and a piston 10 located inside the handle 1, an operating rod 11 extending to the outside of the handle 1 is arranged on the piston 10, and the hollow tubular handle 1 is communicated with an air passage 5 of the sucker 2.
Example 2: as shown in fig. 2, 4, 5, and 6: an eyeball fixing device for ophthalmologic operation comprises a handle 1, wherein one end of the handle 1 is provided with a sucker 2, one end of the sucker 2, which is far away from the handle 1, is provided with an inward concave arc-shaped adsorption surface 3, an adsorption port 4 is arranged in the arc-shaped adsorption surface 3 of the sucker 2, an air passage 5 communicated with the adsorption port 4 is arranged in the sucker 2, the air passage 5 is connected with a negative pressure device 6 on the handle 1, the sucker 2 is in universal connection with the handle 1, the eyeball fixing device comprises a universal ball head 7 arranged on the sucker 2 and a fixing part 8 arranged at the end part of the handle 1 and used for installing the universal ball head 7, the sucker 2 is detachably connected with the handle 1, the diameter of the sucker 2 is 3mm, 5mm or 7mm, the adsorption port 4 comprises a main adsorption port 4.1 and an auxiliary adsorption port 4.2, the main adsorption port 4.1 is positioned at the central position of the arc-shaped adsorption surface 3 of the sucker 2, it is peripheral that supplementary absorption mouth 4.2 is located main absorption mouth 4.1, the main aperture that adsorbs mouth 4.1 is greater than the aperture of assisting absorption mouth 4.2, negative pressure device 6 is including directly setting up the integral type negative pressure device 6 on handle 1, and integral type negative pressure device 6 is gasbag 13 formula negative pressure device 6, gasbag 13 formula negative pressure device 6 is located handle 1 inside be used for ventilating and with the passageway 12 of 5 UNICOMs of air flue of sucking disc 2, is located the gasbag 13 that handle 1 end and passageway 12 are connected.
Example 3: as shown in fig. 3, 4, 5, and 6: an eyeball fixing device for ophthalmologic operation comprises a handle 1, wherein one end of the handle 1 is provided with a sucker 2, one end of the sucker 2, which is far away from the handle 1, is provided with an inward concave arc-shaped adsorption surface 3, an adsorption port 4 is arranged in the arc-shaped adsorption surface 3 of the sucker 2, an air passage 5 communicated with the adsorption port 4 is arranged in the sucker 2, the air passage 5 is connected with a negative pressure device 6 on the handle 1, the sucker 2 is in universal connection with the handle 1, the eyeball fixing device comprises a universal ball head 7 arranged on the sucker 2 and a fixing part 8 arranged at the end part of the handle 1 and used for installing the universal ball head 7, the sucker 2 is detachably connected with the handle 1, the diameter of the sucker 2 is 3mm, 5mm or 7mm, the adsorption port 4 comprises a main adsorption port 4.1 and an auxiliary adsorption port 4.2, the main adsorption port 4.1 is positioned at the central position of the arc-shaped adsorption surface 3 of the sucker 2, the auxiliary adsorption port 4.2 is located at the periphery of the main adsorption port 4.1, the aperture of the main adsorption port 4.1 is larger than that of the auxiliary adsorption port 4.2, the negative pressure device 6 comprises a split negative pressure device 6 connected through a pipeline 9, the split negative pressure device 6 is an electric or manual negative pressure generator, one end of the pipeline 9 is connected with the negative pressure generator, the other end of the pipeline is connected with the handle 1, a channel 12 used for ventilation and communicated with the air passage 5 of the sucker 2 is arranged inside the handle 1, a control switch 14 used for controlling the flow of the negative pressure airflow is arranged on the handle 1, the control switch can be a valve or a pressing piece, and the pressing piece can be inserted or pulled out through external force, so that the flow area of the internal channel is changed.
The negative pressure device 6 can be a negative pressure producer, a negative pressure pump and other devices which can generate negative pressure in the market.
The material components of the sucking disc are medical silica gel, which is insoluble in water and any solvent, non-toxic and tasteless, high in adsorption performance, good in thermal stability, stable in chemical property, higher in mechanical strength, capable of being regenerated and repeatedly used, non-irritant to human tissues, capable of keeping original elasticity and softness in the process of contacting body fluid and tissues, not degraded and quite stable as an inert substance. Can resist high temperature and can be disinfected. The processing and forming are convenient, the carving shape is easy to process, and the use is convenient. According to different operation requirements, the suction cup of the eyeball fixing device is designed into a large type, a medium type and a small type, namely the diameters of the suction cup are respectively 3mm, 5mm and 7 mm. The radian of the bottom of the sucking disc is matched with that of the eyeball. The connection part of the sucker and the handle is a universal ball head, and the outer diameter of the universal ball head is 3 mm. In order to enhance the firmness degree of fixing eyeballs by the sucking disc and reduce the damage of negative pressure attraction to eye tissues, the sucking disc is designed into a lotus seedpod shape, namely the negative pressure attraction is dispersed to each small hole, the center of the bottom of the sucking disc is provided with a main adsorption port for main fixing, and the periphery of the sucking disc is provided with an auxiliary adsorption port for auxiliary fixing.
The material composition of the negative pressure generating device is mainly polymethyl methacrylate (PMMA), and the PMMA has good physical properties: the material is light, not easy to break, stable in performance, durable, strong in tensile resistance, capable of being cast and molded and polished and cut; meanwhile, the PMMA material also has better chemical characteristics and biocompatibility: good anti-aging and chemical stability, resistance to acid, alkali, salt and organic solvent, safety and no side effect. The negative pressure generating device is square and 5cm in side length.
The negative pressure pipe is made of TPE (thermoplastic elastomer), the TPE is a thermoplastic elastomer material, has the characteristics of high strength, high resilience and injection molding processing, is environment-friendly, non-toxic and safe, has wide hardness range, excellent colorability, soft touch, weather resistance, fatigue resistance and temperature resistance, excellent processing performance, no need of vulcanization, can be recycled, reduces the cost and can be subjected to secondary injection molding. The negative pressure tube has an outer diameter of 4mm, an inner diameter of 2.5mm, a length of 1.5m, and is hollow.
In the above embodiments, the best mode of the present invention has been described, it is obvious that many changes can be made under the inventive concept of the present invention, and it should be noted that any changes made under the inventive concept of the present invention will fall within the protective scope of the present invention.
Claims (9)
1. An ophthalmic surgery eyeball fixing device, characterized by: including handle (1), the one end of handle (1) is equipped with sucking disc (2), the one end that handle (1) was kept away from in sucking disc (2) is equipped with inside sunken arc adsorption surface (3), be equipped with in arc adsorption surface (3) of sucking disc (2) and adsorb mouth (4), be equipped with in sucking disc (2) and adsorb air flue (5) of mouth (4) UNICOM, air flue (5) are connected with negative pressure device (6) on handle (1).
2. The ophthalmic surgical eye fixation device of claim 1, wherein: the sucker (2) is in universal connection with the handle (1), and comprises a universal ball head (7) arranged on the sucker (2) and a fixing part (8) arranged at the end part of the handle (1) and used for mounting the universal ball head (7).
3. The ophthalmic surgical eye fixation device of claim 1, wherein: the negative pressure device (6) comprises an integrated negative pressure device (6) directly arranged on the handle (1) and a split negative pressure device (6) connected through a pipeline (9).
4. The ophthalmic surgical eye fixation device of claim 3, wherein: the integrated negative pressure device (6) comprises a piston type negative pressure device (6) and an air bag (13) type negative pressure device (6).
5. The ophthalmic surgical eye fixation device of claim 4, wherein: the piston type negative pressure device (6) comprises a handle (1) with a hollow tubular structure and a piston (10) located inside the handle (1), wherein an operating rod (11) extending to the outside of the handle (1) is arranged on the piston (10), and the handle (1) with the hollow tubular structure is communicated with an air passage (5) of the sucker (2).
6. The ophthalmic surgical eye fixation device of claim 4, wherein: the air bag (13) type negative pressure device (6) comprises a channel (12) which is positioned in the handle (1) for ventilation and communicated with the air channel (5) of the sucker (2), and an air bag (13) which is positioned at the tail end of the handle (1) and connected with the channel (12).
7. The ophthalmic surgical eye fixation device of claim 3, wherein: split type negative pressure device (6) are electronic or manual negative pressure generator, pipeline (9) one end is connected with the negative pressure generator, and the other end is connected with handle (1), handle (1) inside be equipped with be used for ventilating and with passageway (12) of air flue (5) UNICOM of sucking disc (2), be equipped with control switch (14) of control negative pressure airflow flow size on handle (1).
8. The ophthalmic surgical eye fixation device of claim 1, wherein: the sucker (2) is detachably connected with the handle (1), and the diameter of the sucker (2) is 3mm, 5mm or 7 mm.
9. The ophthalmic surgical eye fixation device of claim 1, wherein: adsorb mouthful (4) including main absorption mouth (4.1) and assistance absorption mouth (4.2), the main central point that adsorbs mouthful (4.1) and be located arc adsorption surface (3) of sucking disc (2) puts, it is peripheral that assistance absorption mouth (4.2) are located main absorption mouth (4.1), the aperture that main absorption mouth (4.1) is greater than the aperture of assisting absorption mouth (4.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021646201.6U CN214231706U (en) | 2020-08-10 | 2020-08-10 | Eye fixing device for ophthalmologic operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021646201.6U CN214231706U (en) | 2020-08-10 | 2020-08-10 | Eye fixing device for ophthalmologic operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214231706U true CN214231706U (en) | 2021-09-21 |
Family
ID=77714591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021646201.6U Expired - Fee Related CN214231706U (en) | 2020-08-10 | 2020-08-10 | Eye fixing device for ophthalmologic operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214231706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117281684A (en) * | 2023-11-24 | 2023-12-26 | 超目科技(北京)有限公司 | Eyeball adsorption device and eyeball adsorption system |
-
2020
- 2020-08-10 CN CN202021646201.6U patent/CN214231706U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117281684A (en) * | 2023-11-24 | 2023-12-26 | 超目科技(北京)有限公司 | Eyeball adsorption device and eyeball adsorption system |
| CN117281684B (en) * | 2023-11-24 | 2024-03-29 | 超目科技(北京)有限公司 | Eyeball adsorption device and eyeball adsorption system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4047532A (en) | Vacuum forcep and method of using same | |
| ES2599980T3 (en) | Nasal aspirator | |
| CA2525861A1 (en) | Insertion tool for ocular implant | |
| CN214231706U (en) | Eye fixing device for ophthalmologic operation | |
| CN101273928A (en) | Non-invasive negative-pressure fixer in ophthalmology | |
| CN210697844U (en) | Disposable negative pressure skin suction device | |
| CN211023926U (en) | Suction cup structure for cupping diagnosis and treatment | |
| CN2448330Y (en) | Intra-ocular silicon oil drainage device | |
| CN214231273U (en) | Adjustable control structure of nasal endoscope, medical isolation sleeve and angle adjusting device | |
| CN108618891A (en) | Ophthalmostat in a kind of art | |
| CN215308971U (en) | Protection device for preventing liquid splashing in endoscopic surgery by continuous pressure flushing in body cavity | |
| CN201906067U (en) | Noninvasive negative-pressure fixator in ophthalmology | |
| CN212730137U (en) | Retina massager for minimally invasive vitreous body cutting operation | |
| CN220495010U (en) | Disposable auxiliary supporting tool for anterior nares examination operation | |
| CN214679166U (en) | Silicone oil device is got to retina restoration postoperative | |
| CN221105895U (en) | Buried wire lifting arc guide pin | |
| CN215938469U (en) | Disposable simple abdominal puncture drainage device | |
| CN213251736U (en) | Catheter device for treating subcutaneous emphysema by negative pressure | |
| CN219183937U (en) | Can disinfect the assembled ligature ware | |
| CN211433654U (en) | Needle holding device for clinical ophthalmic surgery | |
| CN210903243U (en) | Oral surgical scissors | |
| CN220142405U (en) | Double-end zebra guide wire | |
| CN2510018Y (en) | Nasal cavity dacryocyst anastomat | |
| CN216496959U (en) | Novel drainage device | |
| CN220256604U (en) | Limb protection device for surgery clinic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |