CN208511318U - A kind of eyeball retrobulbar injection device - Google Patents
A kind of eyeball retrobulbar injection device Download PDFInfo
- Publication number
- CN208511318U CN208511318U CN201721754008.2U CN201721754008U CN208511318U CN 208511318 U CN208511318 U CN 208511318U CN 201721754008 U CN201721754008 U CN 201721754008U CN 208511318 U CN208511318 U CN 208511318U
- Authority
- CN
- China
- Prior art keywords
- outer barrel
- piston
- inner cylinder
- eyeball
- syringe needle
- 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
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of eyeball retrobulbar injection devices, including device noumenon, outer barrel, inner cylinder, piston, seal rubber, piston push rod, syringe position-limited rack, fixed disk, extension spring, first stop collar, second stop collar, telescopic rod and fitting disk, described device outer body is provided with outer barrel, the outer barrel is internally provided with inner cylinder, the inner cylinder is internally provided with piston, the piston side is provided with piston catch bar, fixed disk is provided on the outside of described outer barrel one end, the fixed disk both ends are provided with telescopic rod, described telescopic rod one end is provided with extension spring, the telescopic rod other end is provided with fitting disk, it is provided with syringe position-limited rack and fixed disk, outer syringe can be initially passed through into fixed disk, after being inserted into patient's eyeball ball, it may then pass through fitting disk and be fitted in patient face, it prevents Outer syringe is subjected to displacement before the injection, causes permanent damage to the eye of patient.
Description
Technical field
The utility model relates to the field of medical instrument technology, specially a kind of eyeball retrobulbar injection device.
Background technique
With being constantly progressive for medical level, in modern medical service, when needing intraocular surgery, need to anaesthetize ciliary nerves
Member, painless when reaching operation, the method being administered at present is the dentistry syringe needle (syringe needle after ball) with 4cm long in inferior orbital margins China and foreign countries
Skin surface inserting needle at 1/3, Local Block is anaesthetized after after drug injection to eyeball, in eye socket or peribulbar, being suitable for eyeball
And the treatment of posterior segment and optic nerve disease, since syringe needle is sharp property syringe needle, if misoperation is either in the mistake of injection
It is shaken in journey, is likely to injure the ocular nerves such as the retina of patient, it will permanent damage, institute are caused to patient
With modern medical service level is badly in need of the novel eyeball retrobulbar injection device of one kind to solve the above problems.
Utility model content
The utility model provides a kind of eyeball retrobulbar injection device, can effectively solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of eyeball retrobulbar injection device, including dress
Set ontology, outer barrel, the first syringe needle, the first support plate, sub- limited block, inner cylinder, the second syringe needle, female limited block, piston, sealing
Rubber, piston push rod, push rod fixed frame, second support bar, third support rod, syringe position-limited rack, fixed disk, extension spring,
One stop collar, the second stop collar, telescopic rod and fitting disk, described device outer body are provided with outer barrel, the outer barrel one
End is provided with the first syringe needle, and the outer barrel other end is provided with the first support plate, and the outer barrel is internally provided with inner cylinder,
Described inner cylinder one end is provided with the second syringe needle, and the inner cylinder is internally provided with piston, is provided with sealing on the outside of the piston
Rubber, described piston one end are provided with piston push rod, and the inner cylinder other end is provided with the second support plate, the piston push rod
One end is provided with third support rod, and syringe position-limited rack is provided on the outside of described outer barrel one end, is set in the middle part of the syringe position-limited rack
It is equipped with fixed disk, the fixed disk is internally provided with extension spring, and described extension spring one end is provided with telescopic rod, described flexible
Bar one end is provided with the first stop collar, and the fixed disk is internally provided with the second stop collar, sets below the telescopic rod other end
It is equipped with fitting disk.
Preferably, push rod fixed frame is provided on the outside of described piston push rod one end.
Preferably, second syringe needle is a kind of component of rubber material.
Preferably, the outer barrel inner wall is provided with sub- limited block, is provided with female limited block on the outside of described inner cylinder one end.
Preferably, sponge is provided on the inside of the fitting disk.
Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, secure side is used
Just, it is provided with sub- limited block and female limited block, can effectively prevent during injection, the position of going deep into of the second syringe needle surpasses
The first syringe needle is crossed, permanent damage is caused to the eyes of patient, is provided with push rod fixed frame, can effectively prevent and injecting
During, piston push rod collides inner cylinder inner wall, and the first syringe needle after leading to be already inserted into patient's eyeball ball is subjected to displacement, right
The eyes of patient cause permanent damage, are provided with syringe position-limited rack, can the first syringe needle be inserted into patient's eyeball ball after after,
By syringe position-limited rack, outer barrel is fixed on above eyes of patients, prevents from shaking during hand-held, leads to first
Syringe needle displacement, fitting disk inside are provided with sponge, the patient feels can be kept more comfortable when being bonded patient face.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model outer barrel；
Fig. 3 is the structural schematic diagram of the utility model inner cylinder；
Fig. 4 is the structural schematic diagram of the utility model syringe position-limited rack；
Figure label: 1, device noumenon；2, outer barrel；3, the first syringe needle；4, the first support plate；5, sub- limited block；6, interior
Cylinder；7, the second syringe needle；8, female limited block；9, piston；10, seal rubber；11, piston push rod；12, push rod fixed frame；13,
Two support rods；14, third support rod；15, syringe position-limited rack；16, fixed disk；17, extension spring；18, the first stop collar；19,
Second stop collar；20, telescopic rod；21, it is bonded disk.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figs 1-4, the utility model provides a kind of technical solution, a kind of eyeball retrobulbar injection device, packet
Include device noumenon 1, outer barrel 2, the first syringe needle 3, the first support plate 4, sub- limited block 5, inner cylinder 6, the second syringe needle 7, female limit
Block 8, piston 9, seal rubber 10, piston push rod 11, push rod fixed frame 12, second support bar 13, third support rod 14, syringe limit
Position frame 15, fixed disk 16, extension spring 17, the first stop collar 18, the second stop collar 19, telescopic rod 20 and fitting disk 21, device
Outer barrel 2 is provided on the outside of ontology 1,2 one end of outer barrel is provided with the first syringe needle 3, and 2 other end of outer barrel is provided with the first support
Plate 4, outer barrel 2 are internally provided with inner cylinder 6, and 6 one end of inner cylinder is provided with the second syringe needle 7, and inner cylinder 6 is internally provided with piston
9, seal rubber 10 is provided on the outside of piston 9, and 9 one end of piston is provided with piston push rod 11, and 6 other end of inner cylinder is provided with second
Support rod 13,11 one end of piston push rod are provided with third support rod 14, are provided with syringe position-limited rack 15 on the outside of 2 one end of outer barrel,
Fixed disk 16 is provided in the middle part of syringe position-limited rack 15, fixed disk 16 is internally provided with extension spring 17, and 17 one end of extension spring is set
It is equipped with telescopic rod 20,20 one end of telescopic rod is provided with the first stop collar 18, and fixed disk 16 is internally provided with the second stop collar 19, stretches
Fitting disk 21 is provided with below 20 other end of contracting bar.
Piston push rod 11 collides during promotion with 6 inner wall of inner cylinder in order to prevent, and the first syringe needle 3 is caused to be sent out
It is raw to be displaced, in the present embodiment, it is preferred that be provided with push rod fixed frame 12 on the outside of 11 one end of piston push rod.
In order to enable the second syringe needle 7 is more smooth when being inserted into the first 3 inside of syringe needle, in the present embodiment, preferably
, the second syringe needle 7 is a kind of component of rubber material.
Inner cylinder 6 is too deep in 2 inside insertion site of outer barrel in order to prevent, and the second syringe needle 7 is caused to be inserted into too deep position,
In the present embodiment, it is preferred that 2 inner wall of outer barrel is provided with sub- limited block 5, is provided with female limited block 8 on the outside of 6 one end of inner cylinder.
In order to keep the patient feels more comfortable, in the present embodiment, it is preferred that be provided with sponge on the inside of fitting disk 21.
The working principle and process for using of the utility model: pulling telescopic rod 20, and fitting disk 21 is fitted in patient face,
The gap that outer barrel 2 is passed through to 16 middle part of fixed disk, after the first syringe needle 3 is inserted into patient's eyeball ball, outer barrel 2 is limited in syringe
It under the action of frame 15, is fixed on above eyes of patients, the inner cylinder 6 containing medical fluid is passed through into outer barrel 2, is inserted into outer barrel 2
Second syringe needle 7 is directed at the first syringe needle 3, the second syringe needle 7 is inserted into inside the first syringe needle 3, then pushes third support rod by portion
14, third support rod 14 pushes piston push rod 11, and piston push rod 11 pushes piston 9, and piston 9 pushes the medical fluid inside inner cylinder 6
After from the second syringe needle 7 into patient's eyeball ball, achieve the effect that anesthesia, whole device during use, will not be sent out substantially
Raw displacement, the first syringe needle 3 would not be also subjected to displacement after patient's eyeball ball, effectively prevent patient during treatment
Danger to eyes permanent damage is caused improves the successful probability of injection.
Finally, it should be noted that being not limited to this reality the foregoing is merely the preferred embodiment of the utility model
With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of eyeball retrobulbar injection device, including device noumenon (1), outer barrel (2), the first syringe needle (3), the first support plate
(4), sub- limited block (5), inner cylinder (6), the second syringe needle (7), female limited block (8), piston (9), seal rubber (10), piston push away
Bar (11), push rod fixed frame (12), second support bar (13), third support rod (14), syringe position-limited rack (15), fixed disk
(16), extension spring (17), the first stop collar (18), the second stop collar (19), telescopic rod (20) and fitting disk (21), feature
It is: is provided with outer barrel (2) on the outside of described device ontology (1), described outer barrel (2) one end is provided with the first syringe needle (3), institute
It states outer barrel (2) other end to be provided with the first support plate (4), the outer barrel (2) is internally provided with inner cylinder (6), described interior
Cylinder (6) one end is provided with the second syringe needle (7), and the inner cylinder (6) is internally provided with piston (9), is set on the outside of the piston (9)
It is equipped with seal rubber (10), described piston (9) one end is provided with piston push rod (11), and inner cylinder (6) other end is provided with
Second support bar (13), described piston push rod (11) one end are provided with third support rod (14), on the outside of described outer barrel (2) one end
It is provided with syringe position-limited rack (15), is provided with fixed disk (16) in the middle part of the syringe position-limited rack (15), in the fixed disk (16)
Portion is provided with extension spring (17), and described extension spring (17) one end is provided with telescopic rod (20), described telescopic rod (20) one end
It is provided with the first stop collar (18), the fixed disk (16) is internally provided with the second stop collar (19), and the telescopic rod (20) is another
Fitting disk (21) is provided with below one end.
2. a kind of eyeball retrobulbar injection device according to claim 1, it is characterised in that: described piston push rod (11) one end
Outside is provided with push rod fixed frame (12).
3. a kind of eyeball retrobulbar injection device according to claim 1, it is characterised in that: second syringe needle (7) is one
The component of kind rubber material.
4. a kind of eyeball retrobulbar injection device according to claim 1, it is characterised in that: outer barrel (2) inner wall is set
It is equipped with sub- limited block (5), is provided with female limited block (8) on the outside of described inner cylinder (6) one end.
5. a kind of eyeball retrobulbar injection device according to claim 1, it is characterised in that: set on the inside of the fitting disk (21)
It is equipped with sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721754008.2U CN208511318U (en) | 2017-12-15 | 2017-12-15 | A kind of eyeball retrobulbar injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721754008.2U CN208511318U (en) | 2017-12-15 | 2017-12-15 | A kind of eyeball retrobulbar injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208511318U true CN208511318U (en) | 2019-02-19 |
Family
ID=65328269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721754008.2U Expired - Fee Related CN208511318U (en) | 2017-12-15 | 2017-12-15 | A kind of eyeball retrobulbar injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208511318U (en) |
-
2017
- 2017-12-15 CN CN201721754008.2U patent/CN208511318U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2004528896A (en) | How to inject a substance intradermally | |
| US11944793B2 (en) | Syringe | |
| CN208660053U (en) | A kind of anesthesia syringe with stable injectable function | |
| CN208511318U (en) | A kind of eyeball retrobulbar injection device | |
| CN204501224U (en) | A kind of medicine-feeding therapy equipment for otology | |
| CN109172129A (en) | Glaucoma Valve drainage device | |
| CN219000394U (en) | Improved eyelid retractor for ophthalmic use | |
| CN205814530U (en) | Ophthalmic diseases care device | |
| CN208339886U (en) | A kind of vaccine injection device | |
| CN201469579U (en) | Recovery chair used after ophthalmologic operation | |
| CN210644319U (en) | Viscoelastic agent injection device for separating proliferation membrane in retinopathy operation | |
| CN204744588U (en) | Ophthalmology dropping liquid ware | |
| CN210962592U (en) | Auxiliary device easy for dropping eyedrops | |
| CN106377819A (en) | Auto-destruct syringe with affiliated bag type containing cavity | |
| CN209595862U (en) | A kind of Pain Management anesthetic care device | |
| CN204744587U (en) | In same direction as inserting formula tear way expansion strip | |
| CN205514624U (en) | Clinical laboratory uses hemostix | |
| CN211460819U (en) | Silicone oil extractor for ophthalmologic diagnosis and treatment | |
| CN201505215U (en) | Foreign matter taking and removing device for clearing the corneal foreign matter | |
| CN212090430U (en) | Anesthetic injection device | |
| CN219461645U (en) | Eye medicine applying and wearing device | |
| CN202437648U (en) | Ophthalmic infusion-aspiration syringe | |
| CN216571065U (en) | Safe low-residue syringe | |
| CN211674861U (en) | Ophthalmic injection and suction device | |
| CN215020352U (en) | Three-way intraocular syringe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 Termination date: 20201215 |