CN116650208A - Injection device for injecting medicine into vitreous cavity of eyeball with accurate positioning and quantitative injection - Google Patents
Injection device for injecting medicine into vitreous cavity of eyeball with accurate positioning and quantitative injection Download PDFInfo
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- CN116650208A CN116650208A CN202310888276.7A CN202310888276A CN116650208A CN 116650208 A CN116650208 A CN 116650208A CN 202310888276 A CN202310888276 A CN 202310888276A CN 116650208 A CN116650208 A CN 116650208A
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- fixed mounting
- injection
- injection device
- top surface
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- 238000002347 injection Methods 0.000 title claims abstract description 68
- 239000007924 injection Substances 0.000 title claims abstract description 68
- 239000003814 drug Substances 0.000 title claims abstract description 40
- 210000005252 bulbus oculi Anatomy 0.000 title claims abstract description 29
- 210000001508 eye Anatomy 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 12
- 210000004127 vitreous body Anatomy 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 210000003786 sclera Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0026—Ophthalmic product dispenser attachments to facilitate positioning near the eye
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Ophthalmology & Optometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an injection device for injecting medicine into an eyeball vitreous cavity, which comprises a support frame, wherein the top surface of the support frame is provided with a sliding groove, a sliding block is slidably arranged in the sliding groove, a fixing bolt is movably arranged on the top surface of the sliding block, a bottom rod is fixedly arranged on the top surface of the sliding block, and a connecting piece is fixedly arranged on the top section of the bottom rod. Through locating piece, adjusting bolt and the movable seat that set up, can drive the sill bar through the slip sliding block and make the locating piece can be quick carry out accurate location to patient's eyeball, confirm the position of inserting a needle, and rotatory adjusting bolt can drive the height that the adjusting block adjusted the movable seat and make its restriction to the length of stretching out the locating piece bottom surface of syringe needle to make the syringe needle can enter into the inside length of eyeball vitreous body and prescribe a limit, not only can reduce the risk of operation also can guarantee that the syringe needle inserts into eyeball vitreous cavity inside and carry out smooth injection of liquid medicine, realize the purpose of treatment.
Description
Technical Field
The invention belongs to the technical field of ophthalmic medical appliances, and particularly relates to an injection device for injecting medicine into an eyeball vitreous cavity, which is capable of accurately positioning and quantitatively injecting medicine.
Background
The intravitreal injection is the injection of a drug into the vitreous body of an eye. Compared with other administration methods, the medicine is not limited by blood-eye barriers, the medicine has stronger pertinence, can reach higher medicine concentration in a short time, and can quickly take effect in local tissues, thereby enhancing the treatment effect, reducing systemic toxic reaction, having simple medicine injection process and no pain, improving the eyesight of partial patients after medicine injection on day 2, and having remarkable treatment effect.
In the ophthalmic treatment process, the position of the vitreous cavity injection is at the sclera position 3-3.5mm behind the limbus, the existing eyeball vitreous cavity injection device is used as a puncture inlet through a fixed positioning hole, the puncture position is inconvenient to adjust, accurate positioning is inconvenient, meanwhile, the needle is inconvenient to adjust according to the sclera and the intraocular condition of a patient, the use is inconvenient, the risk of operation can be increased, and based on the above, the precise positioning and quantitative injection eyeball vitreous cavity injection device is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the injection device for injecting the medicine into the vitreous cavity of the eyeball, which is used for accurately positioning and quantitatively injecting, and solves the problems that the existing injection device for injecting the medicine into the vitreous cavity of the eyeball cannot adjust the length of a needle head, is suitable for patients of different ages, is inconvenient to adjust the position of the puncture needle, is inconvenient to use due to inconvenient accurate positioning and increases the risk during operation.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an eyeball vitreous cavity injection medicinal injection device of accurate location and ration injection, which comprises a supporting rack, the spout has been seted up to the top surface of support frame, the inside slidable mounting of spout has the sliding block, the top surface movable mounting of sliding block has fixing bolt, the top surface fixed mounting of sliding block has the sill bar, the top fixed mounting of sill bar has the connecting piece, the one end fixed mounting of connecting piece has a fixed barrel, the bottom movable mounting of fixed barrel has the carousel, the one end fixed mounting of connecting piece has the locating piece, the recess has been seted up to the inboard of fixed barrel, the inside movable mounting of fixed barrel has adjusting bolt, the inside movable mounting of fixed barrel has the regulating block, the one end fixed mounting of regulating block has the movable seat, the top surface movable mounting of movable seat has the urceolus, the bottom fixed mounting of urceolus has the fixed plate, two notches have been seted up in the outside of urceolus, the outside movable mounting has the outer loop, the outside movable mounting of outer loop has first bolt, the inboard fixed mounting has two connecting pieces, the inside movable mounting of outer barrel has the top surface fixed mounting of two push rod, the top of the fixed mounting of push rod has the top of the fixed barrel has the fixed groove, the inside fixed mounting of push rod has the top of the fixed barrel, the top of the fixed mounting of push rod has the top of the fixed barrel, the inside movable mounting of the push rod has the top of the fixed groove, the top of the fixed mounting of the push rod has the top of the fixed barrel, the top end of the ejector rod is fixedly provided with a pressing sheet, and the bottom surface of the injection cylinder is fixedly provided with a needle head.
Preferably, the bottom thread of the fixing bolt penetrates through the top surface of the sliding block and extends to the bottom surface of the sliding block.
Through above-mentioned technical scheme, advantage lies in that rotatory fixing bolt can fix the position of sliding block and make it can not rock easily, has increased the stability of device.
Preferably, the bottom surface thread of the adjusting bolt penetrates through the top surface of the adjusting block and extends to the top surface of the rotary table, and one end of the adjusting block movably penetrates through the groove and extends to the outer side of the movable seat.
Through above-mentioned technical scheme, the advantage lies in that the outside of fixed section of thick bamboo is provided with the scale mark, makes the regulating block drive the movable seat and reciprocates through rotatory adjusting bolt, aligns the length of the scale mark adjusting device syringe needle of fixed section of thick bamboo, makes it be applicable to the patient of different age bracket, facilitates the use.
Preferably, the bottom end of the needle head movably penetrates through the top surface of the positioning block and extends to the bottom surface of the positioning block.
Through above-mentioned technical scheme, the advantage lies in the position of holding down the needle that can pinpoint the syringe needle through the locating piece, has increased the device and has been the accuracy when holding down the needle.
Preferably, one ends of the two connecting blocks movably penetrate through the two notches and extend to the outer side of the inner ring, and one end of the first bolt penetrates through the outer side of the outer ring and extends to the inner side of the outer ring.
Through above-mentioned technical scheme, the advantage lies in the outside of syringe is provided with the scale mark, and the slip outer loop can drive the inner loop through two connecting blocks and reciprocate, adjusts the position of inner loop through the scale mark in the syringe outside, and the position that the first bolt of screwing unscrewing makes the inner loop can not remove with fixed outer loop afterwards to restrict the propulsion degree of depth of push rod, reach the accurate control of using medicine to the device injection.
Preferably, the bottom ends of the two sliding plates movably penetrate through the top surface of the top plate and extend to the top surface of the supporting ring.
Through above-mentioned technical scheme, advantage lies in supporting the ring and can support the fixed block through the sliding plate to the propulsion degree of depth of control push rod, in order to increase the accuracy of device injection medicine.
Preferably, the support frame is arc-shaped.
Through above-mentioned technical scheme, advantage lies in making it laminate more in eyeball surface through curved support frame, facilitates the use.
Preferably, one ends of the two sliding blocks are slidably arranged in the two sliding grooves.
Through above-mentioned technical scheme, advantage lies in can reduce the frictional force that supports the ring and slide from top to bottom through the slider, and the doctor of being convenient for uses.
Compared with the prior art, the invention has the beneficial effects that:
1. through the preforming that sets up, when using, the doctor pulls the preforming earlier and drives the ejector pin and make the fixed block upwards remove, then the fixed block can upwards pull the piston with the push rod with the liquid medicine that needs to inject through the bottom of syringe needle take out to the inside of syringe needle, then observe the scale mark outside the syringe needle and adjust the outer loop and remove the scale mark position that needs to inject the liquid medicine through the connecting block that will drive the inner loop to the book, then screw first bolt and fix the position of inner loop, then place the support frame on the surface of patient's eyeball, then drive the sliding block through the slip sill bar and make the locating piece remove to the position that needs to prick, at this moment alright fixing bolt fixed sliding block's position makes it can not rock, then observe the scale mark outside the fixed cylinder and rotate adjusting bolt and drive the height of regulating block, reach suitable depth of pricking, then alright put into the urceolus to the inside of movable seat, the syringe needle just can follow the bottom of locating piece stretches out and prick into the eyeball vitreous cavity of patient through the fixed block, then press down makes the push rod drive the piston with the liquid medicine injection into the eyeball vitreous cavity of patient through the fixed block, simultaneously the fixed block also can drive the sliding plate and move downwards to the position that needs to prick needle, when the top surface loop contacts the ring, the annular and then can not take place the control the operation of injection risk of medicine, can be convenient to move down, the injection is avoided.
2. Through the locating piece that sets up, can drive the sill bar through the sliding block and make the locating piece can be quick carry out accurate location to patient's eyeball, confirm the position of inserting needle, do not need patient's cooperation to measure earlier and fix a position, increased the efficiency when performing the operation, also reduced the risk of operation.
3. Through adjusting bolt and the movable seat that set up, rotatory adjusting bolt can drive the height that the regulating block adjusted the movable seat and make its restriction to the length of stretching out the locating piece bottom surface of syringe needle to make the syringe needle can enter into the inside length of eyeball vitreous body and prescribe a limit to, not only can reduce the risk of operation also can guarantee that the syringe needle inserts into eyeball vitreous body intracavity and carry out smooth injection of liquid medicine, realize the purpose of treatment.
Drawings
FIG. 1 is a schematic view of a three-dimensional appearance structure of the present invention;
FIG. 2 is a schematic diagram of the front view of the present invention;
FIG. 3 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention at A in FIG. 3;
fig. 5 is a schematic diagram of a side view appearance structure of the present invention.
In the figure: 1. a support frame; 2. a chute; 3. a movable seat; 4. a fixing plate; 5. an outer cylinder; 6. an outer ring; 7. a connecting block; 8. an inner ring; 9. a support ring; 10. a notch; 11. a sliding plate; 12. a syringe; 13. a top plate; 14. tabletting; 15. a fixed block; 16. a sliding groove; 17. a push rod; 18. abutting blocks; 19. a slide block; 20. an adjusting bolt; 21. an adjusting block; 22. a fixed cylinder; 23. a connecting piece; 24. a bottom bar; 25. a fixing bolt; 26. a sliding block; 27. a push rod; 28. a groove; 29. a turntable; 30. a needle; 31. a positioning block; 32. a first bolt; 33. and (3) a piston.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present invention, are within the scope of the present invention.
As shown in figures 1-5, the injection device for injecting medicine into the vitreous cavity of the eyeball with accurate positioning and quantitative injection comprises a supporting frame 1, wherein a chute 2 is arranged on the top surface of the supporting frame 1, a sliding block 26 is arranged in the chute 2 in a sliding way, a fixing bolt 25 is movably arranged on the top surface of the sliding block 26, a bottom rod 24 is fixedly arranged on the top surface of the sliding block 26, a connecting piece 23 is fixedly arranged on the top section of the bottom rod 24, a fixing cylinder 22 is fixedly arranged at one end of the connecting piece 23, a turntable 29 is movably arranged at the bottom of the fixing cylinder 22, a positioning block 31 is fixedly arranged at one end of the connecting piece 23, a groove 28 is arranged at the inner side of the fixing cylinder 22, an adjusting bolt 20 is movably arranged in the fixing cylinder 22, an adjusting block 21 is movably arranged at one end of the adjusting block 21, a movable seat 3 is movably arranged on the top surface of the movable seat 3, the bottom of the outer cylinder 5 is fixedly provided with a fixed plate 4, the outer side of the outer cylinder 5 is provided with two notches 10, the outer side of the outer cylinder 5 is movably provided with an outer ring 6, the outer side of the outer ring 6 is movably provided with a first bolt 32, the inner side of the outer ring 6 is fixedly provided with two connecting blocks 7, the opposite sides of the connecting blocks 7 are fixedly provided with an inner ring 8, the top end of the outer cylinder 5 is fixedly provided with a top plate 13, the outer side of the top plate 13 is fixedly provided with two supporting blocks 18, the inner side of the outer cylinder 5 is fixedly provided with an injection cylinder 12, the inner side of the injection cylinder 12 is movably provided with a push rod 17, the bottom end of the push rod 17 is fixedly provided with a piston 33, the top end of the push rod 17 is fixedly provided with a fixed block 15, the bottom surface of the fixed block 15 is fixedly provided with two sliding plates 11, the inner side of the outer cylinder 5 is movably provided with a supporting ring 9, the outer side of the supporting ring 9 is fixedly provided with two sliding blocks 19, the inner side of the outer cylinder 5 is provided with two sliding grooves 16, the top surface of the fixed block 15 is fixedly provided with a push rod 27, the top end of the push rod 27 is fixedly provided with a pressing sheet 14, and the bottom surface of the injection tube 12 is fixedly provided with a needle head 30.
The working principle of the technical scheme is as follows:
when the injection device is used, a doctor firstly pulls the pressing piece 14 to drive the ejector rod 27 to enable the fixed block 15 to move upwards, then the fixed block 15 can pull the push rod 17 upwards to pull the piston 33 to enable liquid medicine to be injected to the inside of the injection cylinder 12 through the bottom end of the needle head 30, then the scale mark on the outer side of the injection cylinder 12 is observed to adjust the outer ring 6, the inner ring 8 is driven to move to the scale mark position of the liquid medicine required to be injected by the book through the connecting block 7, then the first bolt 32 is screwed to fix the position of the inner ring 8, then the support frame 1 is placed on the surface of an eyeball of a patient, then the sliding block 26 is driven by the sliding bottom rod 24 to enable the positioning block 31 to move to the position required to be injected, at this time, the position of the sliding block 26 can be fixed by the fixing bolt 25 can be screwed to enable the sliding block 26 to be prevented from shaking, then the scale mark on the outer side of the fixing cylinder 22 is observed to rotate the adjusting bolt 20 to enable the adjusting block 21 to adjust the height of the movable seat 3 to reach proper injection depth, then the outer cylinder 5 can be placed into the inside of the movable seat 3, the bottom of the positioning block 31 can be screwed into the vitreous cavity of the patient, then the pressing piece 14 is pressed to enable the supporting piece 14 to be placed on the piston 15 to drive the piston 17 to move to the piston 33 to the piston 9 to move to the piston 9 to the liquid medicine required to move downwards, and the injection device is prevented from contacting with the top surface of the eye 9.
In another embodiment, as shown in fig. 1-5, the bottom threads of the fixing bolt 25 extend through the top surface of the slider 26 and to the bottom surface of the slider 26.
The rotation fixing bolt 25 can fix the position of the sliding block 26 so that the sliding block cannot shake easily, and stability of the device is improved.
In another embodiment, as shown in fig. 1-5, the bottom surface of the adjusting bolt 20 is threaded through the top surface of the adjusting block 21 and extends to the top surface of the turntable 29, and one end of the adjusting block 21 movably extends through the groove 28 and to the outside of the movable seat 3.
The outside of the fixed cylinder 22 is provided with scale marks, the adjusting block 21 drives the movable seat 3 to move up and down by rotating the adjusting bolt 20, and the length of the needle head 30 of the scale mark adjusting device of the fixed cylinder 22 is aligned, so that the needle head is suitable for patients of different age groups and convenient to use.
In another embodiment, as shown in fig. 1-5, the bottom end of the needle 30 movably extends through the top surface of the positioning block 31 and extends to the bottom surface of the positioning block 31.
The needle-setting position of the needle head 30 can be accurately positioned through the positioning block 31, so that the accuracy of the needle setting device is improved.
In another embodiment, as shown in fig. 1-5, one end of each of the two connection blocks 7 is movably inserted through the two notches 10 and extends to the outside of the inner ring 8, and one end of the first bolt 32 is threaded through the outside of the outer ring 6 and extends to the inside of the outer ring 6.
The outside of syringe 12 is provided with the scale mark, and slip outer loop 6 can drive inner loop 8 through two connecting blocks 7 and reciprocate, adjusts the position of inner loop 8 through the scale mark in syringe 12 outside, and then screw unscrew first bolt 32 in order to fix the position of outer loop 6 and make inner loop 8 can not remove to restrict the propulsion degree of push rod 17, reach the accurate control to the device injection medicine.
In another embodiment, as shown in fig. 1-5, the bottom ends of both sliding plates 11 are movable through the top surface of the top plate 13 and extend to the top surface of the abutment ring 9.
The propping ring 9 can prop against the fixed block 15 through the sliding plate 11 to control the pushing depth of the push rod 17 so as to increase the accuracy of injection medication of the device.
In another embodiment, as shown in fig. 1-5, the support 1 is curved.
Make it laminate in eyeball surface more through curved support frame 1, facilitate the use.
In another embodiment, as shown in fig. 1-5, one end of both sliders 19 are slidably mounted inside both sliding grooves 16.
The sliding block 19 can reduce the friction force of the supporting ring 9 sliding up and down, so that the supporting ring is convenient for doctors to use.
The working principle and the using flow of the invention are as follows: when in use, a doctor pulls the pressing sheet 14 to drive the ejector rod 27 to move the fixed block 15 upwards, then the fixed block 15 pulls the push rod 17 to pull the piston 33 upwards to draw the liquid medicine to be injected into the injection cylinder 12 through the bottom end of the needle head 30, then the scale marks on the outer side of the injection cylinder 12 are observed to adjust the outer ring 6, the inner ring 8 is driven to move to the scale mark positions of the liquid medicine to be injected through the connecting block 7, then the first bolt 32 is screwed to fix the position of the inner ring 8, then the support frame 1 is placed on the surface of the eyeball of a patient, then the sliding block 26 is driven by the sliding bottom rod 24 to move the positioning block 31 to the position required to be punctured, at this time, the position of the sliding block 26 can be fixed by screwing the fixing bolt 25 so as not to shake, then the scale marks on the outer side of the fixing cylinder 22 are observed to rotate the adjusting bolt 20 so as to drive the adjusting block 21 to adjust the height of the movable seat 3, when the proper needle insertion depth is reached, the outer cylinder 5 can be placed into the movable seat 3, the needle 30 can extend out from the bottom of the positioning block 31 and be inserted into the vitreous cavity of the eyeball of the patient, then the pressing piece 14 is pressed, the push rod 17 drives the piston 33 to inject the liquid medicine into the vitreous cavity of the eyeball of the patient through the fixed block 15, meanwhile, the fixed block 15 drives the supporting ring 9 to move downwards through the sliding plate 11, when the supporting ring 9 contacts the top surface of the inner ring 8, the injected medicine amount can not move downwards any more, so that the needle insertion device is convenient to use, the risk of operation is avoided, the positioning block 31, the adjusting bolt 20 and the movable seat 3 can be arranged, the bottom rod 24 can be driven through the sliding block 26 to enable the positioning block 31 to rapidly accurately position the eyeball of the patient, the needle insertion position is determined, the adjusting bolt 20 can drive the adjusting block 21 to adjust the height of the movable seat 3 so as to limit the length of the needle 30 extending out of the bottom surface of the positioning block 31, so that the length of the needle 30 entering into the vitreous body of the eyeball is limited, the risk of operation can be reduced, the needle 30 can be ensured to be inserted into the vitreous cavity of the eyeball to smoothly inject liquid medicine, and the aim of treatment is fulfilled.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an eyeball vitreous cavity injection medicine injection device of accurate location and ration injection, includes support frame (1), its characterized in that: the utility model discloses a support frame, including support frame (1) and outer ring (6), spout (2) have been seted up to the top surface of support frame (1), the inside slidable mounting of spout (2) has sliding block (26), the top surface movable mounting of sliding block (26) has fixing bolt (25), the top surface fixed mounting of sliding block (26) has sill bar (24), the top fixed mounting of sill bar (24) has connecting piece (23), the one end fixed mounting of connecting piece (23) has fixed barrel (22), the bottom movable mounting of fixed barrel (22) has carousel (29), the one end fixed mounting of connecting piece (23) has locating piece (31), recess (28) have been seted up to the inboard of fixed barrel (22), the inside movable mounting of fixed barrel (22) has adjusting bolt (20), the inside movable mounting of fixed barrel (22) has adjusting block (21), the one end fixed mounting of adjusting block (21) has movable seat (3), the top surface movable mounting urceolus (5) of movable seat (3), the bottom fixed mounting of urceolus (4), the one end fixed mounting of urceolus (5), two outside (6) are equipped with notch (6) outside, outside swing joint (6), the inside fixed mounting of outer loop (6) has two connecting blocks (7), the relative side fixed mounting of connecting block (7) has inner loop (8), the top fixed mounting of urceolus (5) has roof (13), the outside fixed mounting of roof (13) has two to piece (18), the inside fixed mounting of urceolus (5) has injection cylinder (12), the inside movable mounting of injection cylinder (12) has push rod (17), the bottom fixed mounting of push rod (17) has piston (33), the top fixed mounting of push rod (17) has fixed block (15), the bottom surface fixed mounting of fixed block (15) has two sliding plates (11), the inside movable mounting of urceolus (5) has to piece (9), the outside fixed mounting of supporting ring (9) has two sliders (19), two sliding grooves (16) have been seted up to the inside of urceolus (5), the top surface fixed mounting of fixed block (15) has ejector pin (27), the top fixed mounting of ejector pin (27) has fixed mounting of bottom surface (12) has injection needle (30).
2. The injection device for injecting medicine into an eye vitreous cavity with accurate positioning and quantitative injection according to claim 1, wherein the injection device comprises: the bottom thread of the fixing bolt (25) penetrates through the top surface of the sliding block (26) and extends to the bottom surface of the sliding block (26).
3. The injection device for injecting medicine into an eye vitreous cavity with accurate positioning and quantitative injection according to claim 1, wherein the injection device comprises: the bottom surface thread of adjusting bolt (20) runs through the top surface of regulating block (21) and extends to the top surface of carousel (29), the one end activity of regulating block (21) runs through recess (28) and extends to the outside of movable seat (3).
4. The injection device for injecting medicine into an eye vitreous cavity with accurate positioning and quantitative injection according to claim 1, wherein the injection device comprises: the bottom end of the needle head (30) movably penetrates through the top surface of the positioning block (31) and extends to the bottom surface of the positioning block (31).
5. The injection device for injecting medicine into an eye vitreous cavity with accurate positioning and quantitative injection according to claim 1, wherein the injection device comprises: one end of each connecting block (7) movably penetrates through the two notches (10) and extends to the outer side of the inner ring (8), and one end of each first bolt (32) penetrates through the outer side of the outer ring (6) and extends to the inner side of the outer ring (6) in a threaded mode.
6. The injection device for injecting medicine into an eye vitreous cavity with accurate positioning and quantitative injection according to claim 1, wherein the injection device comprises: the bottom ends of the two sliding plates (11) movably penetrate through the top surface of the top plate (13) and extend to the top surface of the supporting ring (9).
7. The injection device for injecting medicine into an eye vitreous cavity with accurate positioning and quantitative injection according to claim 1, wherein the injection device comprises: the supporting frame (1) is arc-shaped.
8. The injection device for injecting medicine into an eye vitreous cavity with accurate positioning and quantitative injection according to claim 1, wherein the injection device comprises: one ends of the two sliding blocks (19) are slidably arranged inside the two sliding grooves (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310888276.7A CN116650208A (en) | 2023-07-19 | 2023-07-19 | Injection device for injecting medicine into vitreous cavity of eyeball with accurate positioning and quantitative injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310888276.7A CN116650208A (en) | 2023-07-19 | 2023-07-19 | Injection device for injecting medicine into vitreous cavity of eyeball with accurate positioning and quantitative injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116650208A true CN116650208A (en) | 2023-08-29 |
Family
ID=87728195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310888276.7A Withdrawn CN116650208A (en) | 2023-07-19 | 2023-07-19 | Injection device for injecting medicine into vitreous cavity of eyeball with accurate positioning and quantitative injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116650208A (en) |
-
2023
- 2023-07-19 CN CN202310888276.7A patent/CN116650208A/en not_active Withdrawn
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Application publication date: 20230829 |