CN105287097B - Ophthalmology silicone oil extraction apparatus - Google Patents
Ophthalmology silicone oil extraction apparatus Download PDFInfo
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- CN105287097B CN105287097B CN201510719106.1A CN201510719106A CN105287097B CN 105287097 B CN105287097 B CN 105287097B CN 201510719106 A CN201510719106 A CN 201510719106A CN 105287097 B CN105287097 B CN 105287097B
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- pull
- piston rod
- cylinder
- push piece
- silicone oil
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Abstract
The invention discloses a kind of ophthalmology silicone oil extraction apparatus, including for producing the negative pressure component of negative pressure and extraction assembly for extracting silicone oil；The negative pressure component includes the cylinder provided with cavity volume and the piston and piston rod that are located in cavity volume；The extraction assembly includes conduit, and the conduit is connected with cavity volume；The bar wall of the piston rod is connected with pull-push piece, and the barrel of the cylinder offers chute, and the pull-push piece is passed from chute, and axial movement of the piston rod along cavity volume is driven when length direction of the pull-push piece along chute is slided；The stopper slot for being used to limit pull-push piece movement communicated with chute is additionally provided with the barrel of the cylinder；The present invention can not only enable piston rod reliably and efficiently to position, it is to avoid thus caused operative failure, reduce patient's pain, and it is simple in construction, be easy to operation technique.
Description
Technical field
The present invention relates to a kind of ophthalmic medical instrument, more particularly to a kind of ophthalmology silicone oil extraction apparatus.
Background technology
Plugging detachment of retina has become clinically conventional modus operandi in vitreous excision joint Silicone oil eye,
Reattachment of retina is supported to patient's Intraocular tamponade silicone oil, after the retina of patient resets completely, then by patient's intraocular
Silicone oil removal.At present, the medical supplies that intra-ocular silicon oil removal surgery is generally used form a complete production network for phaco manufacturer
Silicone oil removal bag, its continuous negative pressure produced using phaco, entered by the related equipment of oil drawer tool bag dispensing
Row intra-ocular silicon oil takes out.The price of this medicine equipment is very expensive, causes whole Operation Fee high in clinical practice, so that
Cause whole medical expense high, be that part low income patient can not undertake.
In view of this, the oil drawer tool that various utilization syringes are made is occurred in that in the prior art.Such as Chinese patent text
Offer disclosed " Medical silicone oil extraction apparatus " (publication number：CN202982374, the day for announcing：On June 12nd, 2013), though the technology
Patient's intra-ocular silicon oil removal surgery can be used for, but because its structure design is unreasonable, there is larger risk, being mainly shown as is used for
The piston rod of negative pressure is formed in injector syringe reliably and efficiently to be positioned, and being not intended in surgical procedure is touched
Under, the motion of piston rod is either to forming pressurization or being depressurized to being formed in syringe in syringe, i.e., can not be formed in syringe can
The constant negative pressure for leaning on, stablizing, so as to cause operative failure, increases patient's pain.In addition, " intraocular disclosed in Chinese patent literature
Silicone oil extractor " (publication number CN 203724303U, the day for announcing：On July 23rd, 2014), although the piston rod on its syringe
Can reliably and efficiently it position, but its support frame for setting up and operating mechanism is complicated, is not easy to operation, especially
In the case where operating personnel are in short supply, only it is difficult to smoothly complete operation with a bit manipulation personnel in practical application.
It is therefore desirable to a kind of ophthalmology silicone oil extraction apparatus, can not only enable piston rod reliably and efficiently to position,
Avoid thus caused operative failure, reduce patient's pain, and it is simple in construction, be easy to operation technique.
The content of the invention
In view of this, it is an object of the invention to provide a kind of ophthalmology silicone oil extraction apparatus, piston rod can not only be enable
It is enough reliably and efficiently to position, it is to avoid thus caused operative failure, reduce patient's pain, and it is simple in construction, be easy to operation to grasp
Make.
The ophthalmology silicone oil extraction apparatus of the present invention, including for producing the negative pressure component of negative pressure and for extracting taking out for silicone oil
Take component；The negative pressure component includes the cylinder provided with cavity volume and the piston and piston rod that are located in cavity volume；The extraction assembly
Including conduit, the conduit is connected with cavity volume；The bar wall of the piston rod is connected with pull-push piece, and the barrel of the cylinder is opened up
There is chute, the pull-push piece is passed from chute, piston rod edge is driven when length direction of the pull-push piece along chute is slided
The axial movement of cavity volume；The stopper slot for being used to limit pull-push piece movement communicated with chute is additionally provided with the barrel of the cylinder.
Further, the pull-push piece is radially extended by the bar wall of piston rod and formed.
Further, the bar wall of the piston rod is provided with two along the symmetrically arranged pull-push piece of piston rod axis, the cylinder
The barrel of body is provided with chute corresponding with each pull-push piece and stopper slot.
Further, fixture block is provided with the stopper slot, axis of the fixture block by the barrel of cylinder along cylinder extends backward
Form.
Further, bar evagination is installed with the bar wall of the piston rod, the barrel of the cylinder is installed with matches somebody with somebody with bar evagination
Merge and continue the cylinder convex that is moved rearwards by for countercheck rod evagination.
Further, the pull-push piece is located at the afterbody of piston rod, and the cylinder convex is located between bar evagination and pull-push piece
Position, the stopper slot is located at chute afterbody.
Further, the conduit is made of flexible material；The extraction assembly also includes being located at supravasal gate valve machine
Structure；The gate valve mechanism includes valve seat, pinch roller and wheel shaft；The valve seat is provided with for the track of voltage supply wheel rolling and located at track
The passage for being used to pass through for conduit of lower section, the both sides of the track are provided with inclined axial trough, and the wheel shaft is passed through in pinch roller
The heart and its two ends is placed in axial trough；Gradually extruded conduit and the pipe of conduit can be closed during the pinch roller orbital motion
Road.
Further, the front end of the cylinder is provided with connection mouth, and the rear end of the conduit, which is provided with, to be used to coordinate company with being connected mouth
The attachment cap connect.
Further, the connection mouth coaxially stretches into attachment cap and is threadedly coupled.
Further, the extraction assembly also includes syringe needle, and the front end of the syringe needle is 30 ° -60 ° of angled end-face；It is described to lead
The front end of pipe is provided with the needle handle for fixed needle, and the needle handle is provided with coarse outer surface.
Beneficial effects of the present invention：The ophthalmology silicone oil extraction apparatus of the present invention, can be promoted when human hand acts on pull-push piece
Piston rod travels forward or pulls piston rod to move backward, when conduit closedown of pipeline and piston rod move backward when, piston
The space in front gradually forms negative pressure, and this negative pressure is exactly the power source of operation；Due to being provided with pull-push piece, the length of piston rod
Than conventional more shortening so that structure is more compact, it is easy to one-handed performance formation negative pressure；The shape of chute and pull-push piece phase
Adaptation, plays a part of guiding pull-push piece motion；It can be inserted when pull-push piece is moved to after certain position produces enough negative pressure
It is barrel before and after stopper slot, stopper slot, so as to avoid pull-push piece forward or be moved rearwards by, it is reliably and efficiently fixed to realize
Position；The utility model can not only enable piston rod reliably and efficiently to position, it is to avoid thus caused operative failure, reduction
Patient's pain, and it is simple in construction, be easy to operation technique.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the structural representation of the gate valve mechanism of the present invention.
Embodiment
As shown in Figure 1 to Figure 3：The ophthalmology silicone oil extraction apparatus of the present embodiment, including for producing the negative pressure component of negative pressure
With the extraction assembly for extracting silicone oil；The negative pressure component includes the cylinder 1 provided with cavity volume 11 and the work being located in cavity volume 11
Plug 2 and piston rod 3；The extraction assembly includes conduit 4, and the conduit 4 is connected with cavity volume 11；The bar wall of the piston rod 3
Pull-push piece 31 is connected with, the barrel of the cylinder 1 offers chute 1a, and the pull-push piece 31 is passed from chute 1a, when described
Length direction of the pull-push piece 31 along chute 1a drives axial movement of the piston rod 3 along cavity volume 11 when sliding；The barrel of the cylinder 1
On be additionally provided with communicated with chute 1a be used for limit pull-push piece 31 movement stopper slot 1b；Cylinder 1 has close with injection tube
Structure, the front end of cylinder 1 is connected with conduit 4, and piston 2 is located in cylinder 1, provided with sealing between piston 2 and the inwall of cylinder 1
Circle, piston 2 is fixedly connected with piston rod 3, and the motion of piston 2 is promoted by piston rod 3；Pull-push piece 31 can be considered the side of piston rod 3
The wing, can promote piston rod 3 to move or pull forward piston rod 3 (i.e. towards the side of conduit 4) when human hand acts on pull-push piece 31
Moved backward (i.e. away from the side of conduit 4), when conduit 4 closedown of pipeline and piston rod 3 move backward when, the space in the front of piston 2
Negative pressure is gradually formed, this negative pressure is exactly the power source of operation；Due to being provided with pull-push piece 31, the length of piston rod 3 is than often
The more shortening of rule so that structure is more compact, is easy to one-handed performance formation negative pressure；Pull-push piece 31 is preferably in shaft-like, certainly
Can be tabular or other existing shapes, as long as the motion of piston rod 3 can be driven；Chute 1a shape and push-and-pull
Part 31 is adapted, and is played a part of guiding pull-push piece 31 and is moved；Stopper slot 1b may be provided in chute 1a sides, when pull-push piece 31 is moved
Stopper slot 1b can be inserted by being produced to certain position after enough negative pressure, be barrel before and after stopper slot 1b, so as to avoid pushing away
Draw piece 31 forward or is moved rearwards by, and realization is reliably and efficiently positioned；Stopper slot 1b quantity is not limited, can be along chute 1a directions
Set multiple, be easy to control negative pressure value.
In the present embodiment, the pull-push piece 31 is radially extended by the bar wall of piston rod 3 and formed；Pull-push piece 31 and piston rod
3 are integrally formed, and are conducive to strengthening the structural strength of pull bar, it is ensured that the stress performance of pull bar, while simplify production technology, drop
Low processing and manufacturing cost；In the present embodiment, the bar wall of the piston rod 3 is provided with two along the setting of the axisymmetrical of piston rod 3
Pull-push piece 31, the barrel of the cylinder 1 is provided with chute 1a and stopper slot 1b corresponding with each pull-push piece 31；Two pull-push pieces
31 are respectively provided at the top and bottom of piston rod 3, and stress performance can be optimized by being symmetrical arranged, and the medical personnel that are more convenient for are in operation
In operation, realize one-handed performance formation negative pressure；Certainly, the quantity of pull-push piece 31 can also be symmetrical three, four etc.,
The object of the invention can be realized.
In the present embodiment, fixture block 12 is provided with the stopper slot 1b, the fixture block 12 is by the barrel of cylinder 1 along cylinder 1
Axis extends backward to be formed；The axis of fixture block 12 favours the axis of cylinder 1, and fixture block 12 is slightly up tilted；Refer to direction backward
The direction of the afterbody of cylinder 1；Because the piston rod 3 after negative pressure is produced and pull-push piece 31 are main by the gravitation for pointing to the head of cylinder 1,
The fixture block 12 of this structure can effectively limit the return motion of pull-push piece 31 with stopper slot 1b, so that piston rod 3 can enter
One step is reliably and efficiently positioned.
In the present embodiment, be installed with bar evagination 32 on the bar wall of the piston rod 3, the barrel of the cylinder 1 be installed with
Bar evagination 32 is used for the cylinder convex 13 that countercheck rod evagination 32 continues to be moved rearwards by with merging；Bar evagination 32, cylinder convex 13 can be
Several projections or bulge loop annular in shape；Bar evagination 32 is located at the bar wall of piston rod 3, and cylinder convex 13 is located at cylinder 1
Cylinder inwall is simultaneously convex to piston rod 3；The structure can limit piston rod 3 continue be moved rearwards by, prevent negative pressure excessive；The present embodiment
In, the pull-push piece 31 is located at the afterbody of piston rod 3, and the cylinder convex 13 is located at the position between bar evagination 32 and pull-push piece 31
Put, the stopper slot 1b is located at chute 1a afterbodys.
In the present embodiment, the conduit 4 is made of flexible material；The extraction assembly also includes being located on conduit 4
Gate valve mechanism；The gate valve mechanism includes valve seat 51, pinch roller 52 and wheel shaft 53；The valve seat 51 is provided with and rolled for voltage supply wheel 52
Track 5a and the passage 5b, the track 5a that are used to pass through for conduit 4 below track 5a both sides provided with inclined
Axial trough 5c, the center and its two ends of the wheel shaft 53 through pinch roller 52 are placed in axial trough 5c；The pinch roller 52 is transported along track 5a
Gradually extruded conduit 4 and the pipeline of conduit 4 can be closed in dynamic process；The length of conduit 4 can be that 20cm, internal diameter can be 3mm, its
Tube wall is thicker, so when taking oil will not because negative pressure is too strong and official jargon is collapsed；It is toothed around on pinch roller 52, to increase friction
Power, improves operability；In use, pressing conduit 4 first with pinch roller 52 to close the pipeline of conduit 4, pass through negative pressure component shape
Into after negative pressure, the arrival end of conduit 4 is stretched into the middle of the vitreous chamber silicone oil of patient's eyeball and fixed with proficiency, then use another hand
Gently stirring pinch roller 52 makes the pipeline of conduit 4 gradually open-minded, under the attraction of negative pressure, and silicone oil is managed along conduit 4 in vitreous chamber
Road is drawn into cylinder 1, the speed being extracted according to silicone oil can by pinch roller 52 between track 5a slidable adjustment negative-pressure ward
Strength, until silicone oil is finally exhausted in vitreous chamber；It is easy to operation, time saving and energy saving, using effect is good, shortens operating time.
In the present embodiment, the front end of the cylinder 1 is provided with connection mouth 6, and the rear end of the conduit 4, which is provided with, to be used for being connected mouth
6 attachment caps 7 being connected；The connection mouth 6 coaxially stretches into attachment cap 7 and is threadedly coupled, and is easily installed and dismantles.
In the present embodiment, the extraction assembly also includes syringe needle 8, and the front end of the syringe needle 8 is 30 ° -60 ° of angled end-face,
Preferably 45 °, the contact surface of syringe needle 8 and silicone oil is expanded, silicone oil exclusion can be strengthened；Syringe needle 8 can be designed to multiple models,
Such as diameter 0.6mm, 0.8mm, 1.0mm, meets the different demands such as children and adult；The front end of the conduit 4, which is provided with, to be used for admittedly
Determine the needle handle 9 of syringe needle 8, the needle handle 9 is provided with coarse outer surface, and it is to hold with a hand and grasp when taking oil to be easy to doctor's operation technique
Make.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (8)
1. a kind of ophthalmology silicone oil extraction apparatus, including for producing the negative pressure component of negative pressure and extraction group for extracting silicone oil
Part；The negative pressure component includes the cylinder provided with cavity volume and the piston and piston rod that are located in cavity volume；The extraction assembly includes
Conduit, the conduit is connected with cavity volume；It is characterized in that：The bar wall of the piston rod is connected with pull-push piece, the cylinder
Barrel offers chute, and the pull-push piece is passed from chute, is driven when length direction of the pull-push piece along chute is slided
Axial movement of the piston rod along cavity volume；Be additionally provided with the barrel of the cylinder communicated with chute be used for limit pull-push piece movement
Stopper slot；The bar wall of the piston rod is provided with two along the symmetrically arranged pull-push piece of piston rod axis, the barrel of the cylinder
It is provided with chute corresponding with each pull-push piece and stopper slot；In the stopper slot be provided with fixture block, the fixture block by cylinder cylinder
Axis of the wall along cylinder extends backward to be formed.
2. ophthalmology silicone oil extraction apparatus according to claim 1, it is characterised in that：The pull-push piece by piston rod bar wall
Radially extend and form.
3. ophthalmology silicone oil extraction apparatus according to claim 1, it is characterised in that：It is installed with the bar wall of the piston rod
Bar evagination, the barrel of the cylinder, which is installed with to match somebody with somebody to merge with bar evagination, is used for the cylinder convex that countercheck rod evagination continues to be moved rearwards by.
4. ophthalmology silicone oil extraction apparatus according to claim 3, it is characterised in that：The pull-push piece is located at the tail of piston rod
Portion, the cylinder convex is located at the position between bar evagination and pull-push piece, and the stopper slot is located at chute afterbody.
5. ophthalmology silicone oil extraction apparatus according to claim 1, it is characterised in that：The conduit uses flexible material system
Into；The extraction assembly also includes being located at supravasal gate valve mechanism；The gate valve mechanism includes valve seat, pinch roller and wheel shaft；Institute
State valve seat and be provided with track and the passage for being used to pass through for conduit below track for being used for that voltage supply wheel to be rolled, the track
Both sides are provided with inclined axial trough, and the center and its two ends of the wheel shaft through pinch roller are placed in axial trough；The pinch roller is along track
Gradually extruded conduit and the pipeline of conduit can be closed during motion.
6. ophthalmology silicone oil extraction apparatus according to claim 5, it is characterised in that：The front end of the cylinder is provided with connection
Mouth, the rear end of the conduit, which is provided with, is used for the attachment cap with being connected mouth mating connection.
7. ophthalmology silicone oil extraction apparatus according to claim 6, it is characterised in that：The connection mouth coaxially stretches into attachment cap
And be threadedly coupled.
8. ophthalmology silicone oil extraction apparatus according to claim 5, it is characterised in that：The extraction assembly also includes syringe needle,
The front end of the syringe needle is 30 ° -60 ° of angled end-face；The front end of the conduit is provided with the needle handle for fixed needle, the needle handle
Provided with coarse outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719106.1A CN105287097B (en) | 2015-10-29 | 2015-10-29 | Ophthalmology silicone oil extraction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719106.1A CN105287097B (en) | 2015-10-29 | 2015-10-29 | Ophthalmology silicone oil extraction apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105287097A CN105287097A (en) | 2016-02-03 |
| CN105287097B true CN105287097B (en) | 2017-09-15 |
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ID=55185404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510719106.1A Expired - Fee Related CN105287097B (en) | 2015-10-29 | 2015-10-29 | Ophthalmology silicone oil extraction apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN105287097B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726122A (en) * | 2017-02-20 | 2017-05-31 | 中山大学中山眼科中心 | A kind of manual intra-ocular silicon oil withdrawal device and operating method |
| CN106963544A (en) * | 2017-04-07 | 2017-07-21 | 侯泽江 | Suction type silicone oil extractor |
| CN107047394B (en) * | 2017-06-09 | 2022-10-14 | 苏州大学 | Female and male zander identification device and identification method using same |
| CN108433747A (en) * | 2018-04-11 | 2018-08-24 | 中山大学中山眼科中心 | The harvester of suction type liquid sample |
| CN108433748A (en) * | 2018-04-11 | 2018-08-24 | 中山大学中山眼科中心 | The harvester of liquid sample with valve |
| CN111920456A (en) * | 2019-05-13 | 2020-11-13 | 上海昂佰生物医学科技有限公司 | Body cavity sample collecting device and method |
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| CN202427026U (en) * | 2012-01-07 | 2012-09-12 | 乔秀玲 | Abdominal cavity puncture needle |
| CN103202743B (en) * | 2012-01-14 | 2014-11-12 | 上海市第一人民医院 | Silicone oil taking device |
| CN202960905U (en) * | 2012-11-13 | 2013-06-05 | 江苏省苏北人民医院 | Two-way push-injection exchanger |
| CN106102669A (en) * | 2014-01-07 | 2016-11-09 | 侯赛因·耶梯柯 | Foreign body extractor |
| CN203724303U (en) * | 2014-02-11 | 2014-07-23 | 德阳市人民医院 | Intraocular silicone oil extractor |
| WO2015154049A1 (en) * | 2014-04-04 | 2015-10-08 | Altaviz, Llc | Intraocular lens inserter |
| CN204484474U (en) * | 2015-02-01 | 2015-07-22 | 内蒙古民族大学 | A kind of aspirated-air type childbirth core device |
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|---|---|---|---|---|
| CH591249A5 (en) * | 1975-02-12 | 1977-09-15 | Buender Glas Gmbh | |
| CN2933429Y (en) * | 2006-05-29 | 2007-08-15 | 张健 | Cupping devices |
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| CN104587561A (en) * | 2014-01-25 | 2015-05-06 | 祁健 | Disposable safety self-destruction injector |
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| CN105287097A (en) | 2016-02-03 |
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Granted publication date: 20170915 Termination date: 20181029 |