CN212261672U - Auxiliary injection device of ophthalmic injector - Google Patents
Auxiliary injection device of ophthalmic injector Download PDFInfo
- Publication number
- CN212261672U CN212261672U CN202021001410.5U CN202021001410U CN212261672U CN 212261672 U CN212261672 U CN 212261672U CN 202021001410 U CN202021001410 U CN 202021001410U CN 212261672 U CN212261672 U CN 212261672U
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- CN
- China
- Prior art keywords
- gear
- rack
- button
- injector
- injection device
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 210000000080 chela (arthropods) Anatomy 0.000 abstract description 9
- 210000003811 finger Anatomy 0.000 description 9
- 210000003813 thumb Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000004904 shortening Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 210000005224 forefinger Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an ophthalmic syringe assists injection device, it pushes away the fixed long rack of button, short rack including pressing from both sides tight pincers, gear box, with the syringe, and the short rack passes through the gear box and forms the change gear structure with long rack, and the slip through short rack can drive long rack and syringe and push away the button and slide, and the stroke weak point of short rack in the unit interval pushes away the stroke of button in long rack and syringe to reach the function that shortens the injection stroke. The utility model has the characteristics of simple structure is reliable, can shorten ophthalmic long syringe injection stroke.
Description
Technical Field
The utility model relates to an auxiliary device especially relates to an auxiliary injection device of ophthalmic syringe.
Background
A syringe frequently used in ophthalmologic treatment is thin and long, and is particularly difficult to operate by one hand for most female doctors, especially female doctors with small hand types, and the operation can be performed by matching two hands frequently or by assisting a second person, so that the working efficiency of medical staff is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the existing problems and provide an auxiliary injection device of an ophthalmic injector, which has simple and reliable structure and can shorten the injection stroke.
In order to solve the technical problem, the technical scheme of the utility model is realized through following mode: an auxiliary injection device of an ophthalmic injector comprises clamping pincers, a gear box, a long rack and a short rack, wherein the long rack and the short rack are fixed with an injector push button.
The clamping pincers comprise a first pincers clamp and a second pincers clamp, and the gear box is connected to the outer side of the first pincers clamp through a rib.
The gear box includes box and case lid, is connected with first gear and second gear through the round pin axle rotation in the gear box inside, and first gear and second gear intermeshing, and the one side fixedly connected with third gear of just keeping away from the case lid in first gear axle center direction.
One side of the box body is provided with a first sliding chute which is in sliding fit with the long rack, the other side of the box body is provided with a second sliding chute which is in sliding fit with the short rack, the long rack is in meshing fit with the second gear, and the short rack is in meshing fit with the third gear.
The short rack and the long rack form a speed change gear structure through the gear box, the long rack and the injector push button can be driven to slide through the sliding of the short rack, and the stroke of the short rack in unit time is shorter than that of the long rack and the injector push button, so that the function of shortening the injection stroke is achieved.
The utility model discloses the technical scheme who further injects is:
the ophthalmic injector-assisted injection device described above: the long rack is provided with a U-shaped clamping groove used for clamping the push button of the injector in the direction close to the tail of the injector, so that the function of synchronous movement of the push button of the injector and the long rack is realized.
The ophthalmic injector-assisted injection device described above: the short rack is provided with a first button for facilitating finger pressing in the direction close to the tail of the injector, so that a user can press the short rack with the thumb.
The ophthalmic injector-assisted injection device described above: the direction that first forceps holder is close to the syringe needle is equipped with second button and third button, and second button and third button are located the both sides of gear box respectively, can supply the user to press with forefinger and middle finger, and the first button is pressed to cooperation thumb to promote short rack and slide.
The ophthalmic injector-assisted injection device described above: the silica gel layers are glued on the inner sides of the first clamp and the second clamp, so that the friction force between the clamping clamp and the syringe barrel body can be increased, and the stability of the device in the using process is improved.
The utility model has the advantages that: the short rack and the long rack form a speed change gear structure through the gear box, the long rack and the injector push button can be driven to slide through the sliding of the short rack, and the stroke of the short rack in unit time is shorter than that of the long rack and the injector push button, so that the function of shortening the injection stroke is achieved. The long rack is provided with a U-shaped clamping groove used for clamping the push button of the injector in the direction close to the tail of the injector, so that the function of synchronous movement of the push button of the injector and the long rack is realized. The short rack is provided with a first button for facilitating finger pressing in the direction close to the tail of the injector, so that a user can press the short rack with the thumb. The direction that first forceps holder is close to the syringe needle is equipped with second button and third button, and second button and third button are located the both sides of gear box respectively, can supply the user to press with forefinger and middle finger, and the first button is pressed to cooperation thumb to promote short rack and slide. The silica gel layers are glued on the inner sides of the first clamp and the second clamp, so that the friction force between the clamping clamp and the syringe barrel body can be increased, and the stability of the device in the using process is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Wherein: 1. clamping pincers; 2. a gear case; 3. a long rack; 4. a short rack; 101. a first jaw; 102. a second jaw; 103. a second button; 104. a third button; 105. a silica gel layer; 201. a box body; 202. a box cover; 203. a first chute; 204. a second chute; 205. a first gear; 206. a third gear; 207. a second gear; 301. a U-shaped clamping groove; 401. a first button.
Detailed Description
The following is a detailed description of the present invention:
example 1
The auxiliary injection device for the ophthalmic injector provided by the embodiment comprises clamping pincers 1, a gear box 2, a long rack 3 fixed with an injector push button and a short rack 4. The clamping pliers 1 comprises a first jaw 101 and a second jaw 102, and the gear box 2 is connected to the outer side of the first jaw 101 through a rib. The gear box 2 includes a box 201 and a box cover 202, a first gear 205 and a second gear 207 are rotatably connected to the inside of the gear box 2 through a pin, the first gear 205 and the second gear 207 are engaged with each other, and a third gear 206 is fixedly connected to one side of the first gear 205 in the axial direction and away from the box cover 202. One side of the box 201 is provided with a first sliding chute 203 which is in sliding fit with the long rack 3, the other side of the box is provided with a second sliding chute 204 which is in sliding fit with the short rack 4, the long rack 3 is in meshing fit with the second gear 207, and the short rack 4 is in meshing fit with the third gear 206. The short rack 4 forms a speed change gear structure with the long rack 3 through the gear box 2, the long rack 3 and the injector push button can be driven to slide through the sliding of the short rack 4, and the stroke of the short rack 4 in unit time is shorter than that of the long rack 3 and the injector push button, so that the function of shortening the injection stroke is achieved.
The long rack 3 is provided with a U-shaped clamping groove 301 for clamping the push button of the injector in the direction close to the tail of the injector, so that the function of synchronous movement of the push button of the injector and the long rack 3 is realized.
The short rack 4 is provided with a first button 401 for facilitating finger pressing in the direction close to the tail of the injector, so that a user can press the short rack with the thumb.
The first jaw 101 is provided with a second button 103 and a third button 104 in a direction approaching the needle, and the second button 103 and the third button 104 are respectively located at two sides of the gear box 2, so that a user can press the first button 401 with the index finger and the middle finger, and press the short rack 4 with the thumb.
The inner sides of the first clamp 101 and the second clamp 102 are glued with the silica gel layer 105, so that the friction force between the clamping clamp 1 and the syringe barrel can be increased, and the stability of the device in the using process can be increased.
The operation process of the embodiment is as follows: the clamping pincers are clamped on the syringe barrel body, the U-shaped clamping groove is clamped on the syringe push button, then the index finger and the middle finger press the second button and the third button respectively, and the thumb presses the first button, so that the injection process of the syringe can be carried out.
Therefore, the embodiment has the advantages of simple and reliable structure, and capability of shortening the injection stroke of the ophthalmic long injector, and well solves the existing problems.
Above embodiment only is for explaining the utility model discloses a technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope.
Claims (5)
1. An ophthalmic injector-assisted injection device, characterized in that: comprises a clamping pliers (1), a gear box (2), a long rack (3) fixed with an injector push button and a short rack (4);
the clamping pliers (1) comprises a first jaw (101) and a second jaw (102), and the gear box (2) is connected to the outer side of the first jaw (101) through a rib;
the gearbox (2) comprises a box body (201) and a box cover (202), a first gear (205) and a second gear (207) are rotatably connected inside the gearbox (2) through a pin shaft, the first gear (205) and the second gear (207) are meshed with each other, and a third gear (206) is fixedly connected to one side, away from the box cover (202), of the first gear (205) in the axis direction;
one side of the box body (201) is provided with a first sliding groove (203) which is in sliding fit with the long rack (3), the other side of the box body is provided with a second sliding groove (204) which is in sliding fit with the short rack (4), the long rack (3) is in meshing fit with the second gear (207), and the short rack (4) is in meshing fit with the third gear (206).
2. An ophthalmic injector-assisted injection device according to claim 1, wherein: and a U-shaped clamping groove (301) for clamping a push button of the injector is arranged in the direction of the long rack (3) close to the tail of the injector.
3. An ophthalmic injector-assisted injection device according to claim 1, wherein: and a first button (401) for facilitating finger pressing is arranged in the direction of the short rack (4) close to the tail of the injector.
4. An ophthalmic injector-assisted injection device according to claim 1, wherein: a second button (103) and a third button (104) are arranged in the direction of the first clamp (101) close to the needle head, and the second button (103) and the third button (104) are respectively positioned on two sides of the gear box (2).
5. An ophthalmic injector-assisted injection device according to claim 1, wherein: the inner sides of the first clamp (101) and the second clamp (102) are glued with silica gel layers (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001410.5U CN212261672U (en) | 2020-06-03 | 2020-06-03 | Auxiliary injection device of ophthalmic injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001410.5U CN212261672U (en) | 2020-06-03 | 2020-06-03 | Auxiliary injection device of ophthalmic injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212261672U true CN212261672U (en) | 2021-01-01 |
Family
ID=73881606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021001410.5U Active CN212261672U (en) | 2020-06-03 | 2020-06-03 | Auxiliary injection device of ophthalmic injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212261672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494090A (en) * | 2020-06-03 | 2020-08-07 | 江苏省人民医院（南京医科大学第一附属医院） | Auxiliary injection device of ophthalmic injector |
-
2020
- 2020-06-03 CN CN202021001410.5U patent/CN212261672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494090A (en) * | 2020-06-03 | 2020-08-07 | 江苏省人民医院（南京医科大学第一附属医院） | Auxiliary injection device of ophthalmic injector |
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