CN207370811U - A kind of ophthalmology silicone oil draw-out device - Google Patents
A kind of ophthalmology silicone oil draw-out device Download PDFInfo
- Publication number
- CN207370811U CN207370811U CN201720147570.2U CN201720147570U CN207370811U CN 207370811 U CN207370811 U CN 207370811U CN 201720147570 U CN201720147570 U CN 201720147570U CN 207370811 U CN207370811 U CN 207370811U
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- Prior art keywords
- oil
- syringe needle
- charge
- silicone oil
- draw
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- 229920002545 silicone oil Polymers 0.000 title claims abstract description 48
- 238000005086 pumping Methods 0.000 claims abstract description 46
- 210000003786 sclera Anatomy 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 241001656951 Protheca Species 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 210000001508 eye Anatomy 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 60
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 238000001356 surgical procedure Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010061218 Inflammation Diseases 0.000 description 3
- 230000004054 inflammatory process Effects 0.000 description 3
- 230000004410 intraocular pressure Effects 0.000 description 3
- 210000001525 retina Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241001631457 Cannula Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 206010038848 Retinal detachment Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920002529 medical grade silicone Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000004264 retinal detachment Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of ophthalmology silicone oil draw-out devices, the oil pick-up tube being connected including syringe and with the syringe, front end the first oil pumping of bifurcated formation of the oil pick-up tube is in charge of and the second oil pumping is in charge of, the front end that first oil pumping is in charge of is connected with to be inserted on the first notch of sclera and draw the first syringe needle of silicone oil, and the front end of second casing is connected with to be inserted on the second notch of sclera and draw the second syringe needle of silicone oil；First syringe needle is in charge of with the first oil pumping to be connected, and second syringe needle is in charge of with the second oil pumping to be connected.Ophthalmology silicone oil draw-out device described in the utility model, effect with silicone oil in high efficiency extraction sclera, effectively reduce the probability of happening for the damage eyes event brought due to operating time is long, and its piston rod can carry out easy, reliable, effective and fine positioning, so as to avoid therefore caused operative failure, patient's pain is reduced.
Description
Technical field
The utility model is related to a kind of ophthalmic medical instrument, more particularly to a kind of ophthalmology silicone oil draw-out device.
Background technology
Vitreous excision joint silicone oil Intraocular tamponade treatment detachment of retina has become clinically conventional modus operandi,
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 generally uses form a complete production network for phaco manufacturer
Silicone oil removal bag, the continuous negative pressure generated using phaco, by the related equipment of oil drawer tool bag dispensing into
Row intra-ocular silicon oil takes out.The price of this medical instrument is very expensive, causes entire Operation Fee high in clinical practice, so as to
Cause entire medical expense high, be that part low income patient can not undertake.
Occurs oil drawer tool made of various utilization syringes in the prior art.Such as Authorization Notice No. is
" Medical silicone oil the draw-out device " (day for announcing disclosed in the Chinese utility model patent of CN202982374U：On June 12nd, 2013),
Though the technology can be used for patient's intra-ocular silicon oil removal surgery, because its structure design is unreasonable, there are larger risk, and main table
It is now that can not reliably and efficiently be positioned for forming the piston rod of negative pressure in injector syringe, in surgical procedure
It is not intended to touch down, the movement of piston rod, i.e., can not in syringe either to forming pressurization in syringe or depressurizing to being formed in syringe
Constant negative pressure that is reliable, stablizing is formed, so as to cause operative failure, increases patient's pain.In addition, Publication No.
" intra-ocular silicon oil extractor " (publication date disclosed in the Chinese invention patent application of CN105287097A：On 2 3rd, 2016), though
Piston rod on its right syringe can be positioned reliably and efficiently, but in the industry it is well known that existing operation is generally on sclera
Three notch (commonly referred to as the 3rd notch of the first notch of sclera, the second notch of sclera and sclera) are opened up, when extracting silicone oil, are used
The syringe needle of a piece oil pick-up tube is inserted in one of extracting the silicone oil in sclera in notch, another scleral incision insertion filling pipe
Syringe needle moisturizing is to support sclera, and the 3rd notch is not utilized on sclera, it is this extract silicone oil mode efficiency it is low, can extend
Operating time has more air in surgical procedure and enters in eyeball, may result in intraocular inflammation, in addition, it is also possible to
Intraocular pressure is caused to fall sharply, explosive train of thought bleeding occurs may.Pumping efficiency is low in a word operation risk to be caused to increase, and on
State the method that patent takes this poorly efficient pumping silicone oil.Meanwhile remaining needle is directly inserted by above-mentioned patent when extracting silicone oil
In the scleral incision of patient, the risk of secondary damage sclera can be brought.
Therefore, there is an urgent need for a kind of ophthalmology silicone oil efficient decimation device, piston rod can not only be made reliably and efficiently to position, kept away
Exempt from thus caused operative failure, reduce patient's pain, and it is simple in structure, pumping efficiency is high, is reduced as far as possible to sclera
Secondary damage.
Utility model content
The utility model for the prior art the defects of provide a kind of ophthalmology silicone oil draw-out device.
The purpose of this utility model is achieved through the following technical solutions：
A kind of ophthalmology silicone oil draw-out device, the oil pick-up tube being connected including syringe and with the syringe, which is characterized in that
The syringe include piston rod and cylinder, a side external surface of the piston rod be recessed inwardly to be formed it is multiple at equal intervals it is recessed
Slot, the cylinder lateral wall opposite with the groove offer the circular hole through the cylinder, and the circular hole string is equipped with and is fitted with the circular hole
The tubular push rod matched somebody with somebody, external one end of the push rod are connected with tubular first coaxial with the push rod and push away
Draw piece, and the push rod is located at inner barrel and is connected with the circle coaxial with the push rod close to the part of cylinder madial wall
The block piece of cylinder shape, the block piece, the diameter of the first pull-push piece are more than the diameter of the push rod, the block piece, first
The distance between pull-push piece is more than the thickness of the cylinder.
Further, wherein the spacing of the groove is 2mm-5mm, the depth of the groove is 0.5cm-1.5cm, described
The thickness that the distance between block piece, first pull-push piece are more than the cylinder is 1-2cm.
Further, wherein the front end bifurcated of the oil pick-up tube is formed, the first oil pumping is in charge of and the second oil pumping is in charge of, described
First front end be in charge of of oil pumping is connected with to be inserted on the first notch of sclera and draw the first syringe needle of silicone oil, and described second
The front end of casing is connected with to be inserted on the second notch of sclera and draw the second syringe needle of silicone oil；First syringe needle and
Connection is in charge of in one oil pumping, and second syringe needle is in charge of with the second oil pumping to be connected.
Further, wherein first syringe needle is identical with the size shape of the second syringe needle；First syringe needle with it is described
First oil pumping is installed with the first needle handle of hollow circular cylinder shape between being in charge of；Second syringe needle is in charge of it with the described second oil pumping
Between be installed with the second needle handle of hollow circular cylinder shape.
Further, wherein the ophthalmology silicone oil draw-out device further includes the first sleeve being inserted on the first notch of sclera
And the second casing on the second notch of sclera is inserted in, first syringe needle is inserted in first sleeve, second syringe needle
It is inserted in the second casing.
Further, wherein the first sleeve includes integrated molding and concentrically the first of the hollow circular cylinder structure of axis
Anterior cannula and the first rear sleeve, first rear sleeve are located at the rear portion of the first anterior cannula, and the diameter of first rear sleeve is big
In first anterior cannula, first rear sleeve is engaged with the outer diameter of the first syringe needle；Second casing include one into
The second anterior cannula and the second rear sleeve of the hollow circular cylinder structure of type and concentrically axis, before second rear sleeve is located at second
The rear portion of casing, the diameter of second rear sleeve are more than second anterior cannula, second rear sleeve and the second syringe needle
Outer diameter is engaged.
Further, wherein being connected with to control the valve mechanism of oil inlet flow, the pressure valve machine in the oil pick-up tube
Structure is connected with oil pick-up tube.
Further, wherein the valve mechanism includes valve seat, pinch roller and wheel shaft；It is equipped with and is used for for pinch roller in the valve seat
The track of rolling and the passage for being used to pass through for oil inlet pipe below the track, the both sides of the track are equipped with inclined
Axial trough, the both ends at the wheel shaft through the center of pinch roller and the wheel shaft are arranged in axial trough；It is provided on the piston rod outside bar
Convex block, and be equipped with to stop convex block in convex block continues to move up outside the bar bucket on the inside of the cylinder.
Further, wherein the oil pick-up tube, the pipe thickness that the first oil pumping is in charge of and the second oil pumping is in charge of are 2-
4mm, and one end of first syringe needle is fixedly connected on the inner surface of first needle handle, one end of second syringe needle is fixed
It is connected to the inner surface of second needle handle, first needle handle, the outer surface of the second needle handle are provided with antiskid thread, and described
A diameter of 1cm of one needle handle, the second needle handle, first syringe needle, the second syringe needle, the 3rd syringe needle, the tip of the 4th syringe needle are
45 ° of inclinations.
Further, wherein it is 3mm that the oil pick-up tube, the first oil pumping, which are in charge of with the second pipe thickness for being in charge of of oil pumping, institute
The other end for stating oil pick-up tube is connected with nut, and the nut is threadedly coupled with the connection mouth of the syringe, the piston and cylinder
Application of anti-leakage layers is equipped between internal side wall；The spacing of the groove is 2mm, and the depth of the groove is 1cm, the block piece, the
The distance between one pull-push piece is more than the thickness 1cm of the cylinder.
Compared with prior art, the utility model at least has the following advantages：A kind of ophthalmology silicon provided by the utility model
Oily draw-out device has the effect of silicone oil in high efficiency extraction sclera, and it is acute to effectively reduce the intraocular pressure brought due to operating time is long
The probability of happening of drop or intraocular inflammation equivalent damage eyes event；And its piston rod can carry out it is easy, reliable, effective and fine
Positioning, which is effectively limited in the in vivo movement of cylinder of syringe, with ensure to be formed in the cylinder of syringe it is reliable,
Stable constant negative pressure, operative failure caused by avoiding therefore reduce patient's pain.
Description of the drawings
Fig. 1 is the schematic diagram of ophthalmology silicone oil draw-out device described in the utility model；
Fig. 2 is the enlarged diagram of valve mechanism described in the utility model；
Fig. 3 is the enlarged diagram in S1 regions in Fig. 1；
Fig. 4 is the schematic diagram that ophthalmology silicone oil draw-out device described in the utility model is connected with sclera；
Wherein, convex block in 1- barrels；The outer convex block of 11- bars；12- cylinders；The second pull-push pieces of 13-；14- piston rods；15- pistons；
16- nuts；17- connection mouths；18- oil pick-up tubes；19- valve mechanisms；The oil pumping of 111- first is in charge of；The oil pumping of 112- second is in charge of；
The first needle handles of 113-；The first syringe needles of 114-；The second needle handles of 115-；The second syringe needles of 116-；117- application of anti-leakage layers；2- pinch rollers；21- rails
Road；22- axial troughs；23- passages；24- wheel shafts；25- valve seats；The first pull-push pieces of 3-；31- block pieces；32- push rods；33- grooves；4-
First notch；The second notch of 41-；The 3rd notch of 42-；The first anterior cannulas of 43-；The first rear sleeves of 44-；The second anterior cannulas of 45-；
The second rear sleeves of 46-；47- scleras.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, following embodiment be it is descriptive,
It is not limited, it is impossible to which the scope of protection of the utility model is limited with this.
As shown in Figs 1-4, the utility model provide one kind efficiently takes silicone oil device, including syringe and with the syringe
Connected oil pick-up tube 18, the front end bifurcated of the oil pick-up tube 18 form two, are referred to as the first oil pumping and are in charge of 111 and second take out
Oil pipe 112, the front end that first oil pumping is in charge of 111 are connected with to be inserted on 47 first notch 4 of sclera and draw silicon
First syringe needle of oil, the front end of second casing is connected with to be inserted on 47 second notch 41 of sclera and draw silicone oil
Second syringe needle；First syringe needle is in charge of 111 with the first oil pumping and is connected, and second syringe needle is in charge of 112 with the second oil pumping and is connected.
First syringe needle and the second syringe needle of the utility model are plugged in respectively on the first notch 4 and the second notch 41 of sclera 47, are passed through
Above-mentioned two syringe needle can extract silicone oil present in the sclera 47 after operation (such as surgery of retinal detachment) simultaneously, described
The 3rd opening 42, the 42 insertion water filling device of the 3rd opening are also cut on sclera 47, the water filling device is used for the Gong
Moisturizing in film 47 prevents that the situation that sclera 47 collapses occurs in silicone oil in sclera 47 after being extracted；Described two syringe needles extract simultaneously
Silicone oil can improve the efficiency of oil pumping, shorten procedure, reduce intraocular pressure sharp fall or the hair of intraocular inflammation equivalent damage eyes event
Raw probability, improves hand post-operative security.
When it is implemented, first syringe needle 114 is identical with the size shape of the second syringe needle 116；First syringe needle 114
It is in charge of the first needle handle 113 that hollow circular cylinder shape is installed between 111 with the described first oil pumping；Second syringe needle 116 and institute
It states the second oil pumping and is in charge of the second needle handle 115 that hollow circular cylinder shape is installed between 112.
When it is implemented, described efficiently take silicone oil device to further include the first sleeve being plugged on 47 first notch 4 of sclera
And the second casing on the second notch 41 of sclera 47 is plugged in, and first syringe needle is inserted in first sleeve, and described
Two syringe needles are inserted in the second casing.Described sleeve pipe is set in ripple and cuts on scalpel, and the ripple is cut scalpel and cut for ophthalmology ripple
Operation.It after ripple cuts operation, extracts the ripple and cuts scalpel, described sleeve pipe is stayed in the cut hole of sclera 47, by above-mentioned pin
Silicone oil is extracted in head insertion described sleeve pipe, compared to casing is taken out, can reduce and be inserted directly into syringe needle to notch when taking out silicone oil
The risk of the secondary damage to 47 vitreum of sclera brought.
First needle handle 113, the second needle handle 115 are hollow circular cylinder shape, and one end of first syringe needle 114 is fixed
The hollow circuit cylinder hole surface of first needle handle 113 is connected to, one end of second syringe needle 116 is fixedly connected on described second
The hollow circuit cylinder hole surface of needle handle 115.
When it is implemented, the first sleeve includes being integrally formed and concentrically before the first of the hollow circular cylinder structure of axis
43 and first rear sleeve 44 of casing, first rear sleeve 44 are located at the rear portion of the first anterior cannula 43, first rear sleeve 44
Diameter be more than first anterior cannula 43, first rear sleeve 44 is engaged with the outer diameter of the first syringe needle 114；Described second
Casing includes being integrally formed and concentrically the second anterior cannula 45 and the second rear sleeve 46 of the hollow circular cylinder structure of axis, and described the
Two rear sleeves 46 are located at the rear portion of the second anterior cannula 45, and the diameter of second rear sleeve 46 is more than second anterior cannula 45,
Second rear sleeve 46 is engaged with the outer diameter of the second syringe needle 116., it is necessary to which first syringe needle 114 is inserted into institute during operation
In the hollow circuit cylinder hole for stating the 3rd needle handle 44, second syringe needle 116 is inserted into the hollow circuit cylinder hole of the 4th needle handle 46,
The second pull-push piece 13 of the syringe is manually pulled, the oil pumping of oil pick-up tube 18, first is in charge of the 111, second oil pumping and is in charge of
112nd, negative pressure is collectively formed in the first syringe needle 114, first sleeve, the second casing, the second syringe needle 116, by the silicon in the sclera 47
Oil suctions out.
When it is implemented, the valve mechanism 19 of control oil inlet flow, the valve mechanism are connected in the oil pick-up tube 18
19 are connected with oil pick-up tube 18.
When it is implemented, the valve mechanism 19 includes valve seat 25, pinch roller 2 and wheel shaft 24；It is equipped with and uses in the valve seat 25
In the track 21 rolled for pinch roller 2 and the passage 23 for being used to pass through for oil pick-up tube 18 arranged on 21 lower section of track, the rail
The both sides in road 21 are equipped with inclined axial trough 22, and the both ends at the wheel shaft 24 through the center of pinch roller 2 and the wheel shaft are arranged at axis
In slot 22, the pinch roller 2 gradually squeezes oil pick-up tube 18 during being moved along track 21 and can close the pipeline of oil pick-up tube 18.Institute
Valve seat 25 is stated in oil pumping process, can be moved forward according to the surplus of silicone oil come manual adjustment pinch roller 2, reaches and squeezes oil pipe control
The effect of oil inlet flow convenient for manual operation, prevents that water from largely being extracted out, shortens operating time.The pinch roller 2 is equipped with wheel
Tooth with increasing friction force, improves operability.
When it is implemented, the syringe includes piston rod 14, the outer convex block 11 of bar, and institute are provided on the piston rod 14
The inside of cylinder 12 for stating syringe is equipped with to stop convex block 1 in convex block 11 continues to move up outside the bar bucket.The bucket
Interior convex block 1 can resist residence and state the outer convex block 11 of bar, prevent when manually pulling second pull-push piece 13, the piston rod 14
It crosses and exceptionally moves, cause negative pressure excessive.
When it is implemented, a side external surface of the piston rod 14 is recessed inwardly to form multiple equidistant grooves 33, with
The side wall of the opposite cylinder 12 of the groove 33 offers the circular hole through cylinder 12, and the circular hole string is equipped with and is fitted with the circular hole
The tubular push rod 32 matched somebody with somebody, external one end of the push rod 32 are connected with the cylindrical coaxial with the push rod 32
Have the first pull-push piece 3, the push rod 32 be located at 12 inside of cylinder and close to the part of 12 madial wall of cylinder be connected with
The coaxial tubular block piece 31 of the push rod 32, the block piece 31, the diameter of the first pull-push piece 3 are more than the push rod
The distance between 32 diameter, the block piece 31, the first pull-push piece 3 is more than the thickness of the cylinder.When the described second push-and-pull
When part 13 drives the outside of integrally formed piston rod 14 to the cylinder 12 of the syringe mobile, negative pressure is got in the cylinder 12
Come bigger, at this moment medical staff can promote first pull-push piece 3 manually according to actual conditions, promote the first pull-push piece 3
The push rod 32 is inserted into a certain suitable groove 33, is prevented when stopping stretching second pull-push piece 13 manually, the work
The return under atmospheric pressure of stopper rod 14, causes negative pressure in cylinder 12 that cannot accurately maintain, and disturbs procedure.The groove
33 can be cuboid, can also semi-circular shape, the spacing of two neighboring groove 33 is preferably 2mm, convenient for fine-tuning cylinder
Negative pressure in body 12, to meet the needs of operation.
When it is implemented, the oil pick-up tube 18, first pump be in charge of 111 and second oil pumping be in charge of 112 pipe thickness it is equal
The inner surface of first needle handle 113, second syringe needle are fixedly connected on for one end of 2-4mm, and first syringe needle 114
116 one end is fixedly connected on the inner surface of second needle handle 115, first needle handle 113, the appearance of the second needle handle 115
Face is provided with antiskid thread, first needle handle 113, a diameter of 1cm of the second needle handle 115, and the relatively large purpose of diameter is
Convenient for hand-held, it is also convenient hand-held that outside face, which is equipped with antiskid thread, avoids skidding.First syringe needle 114, the second syringe needle
116 tips are 45 ° of inclinations, and first syringe needle 114, the inclined purpose in 45 ° of tip of the second syringe needle 116 are easy for insertion institute
It states in the first rear sleeve 44 and the second rear sleeve 46, first syringe needle 114, the tip of the second syringe needle 116 are 45 ° inclined
Purpose is to improve sharpness, convenient for the progress of operation.
When it is implemented, the oil pick-up tube 18, first pump be in charge of 111 and second oil pumping be in charge of 112 pipe thickness it is excellent
It elects 3mm as, prevents that the pipe thickness is excessively thin, under negative pressure, above-mentioned pipe is flattened, and influences effect of pumping.The oil pick-up tube
18 other end is connected with nut, and the nut is threadedly coupled with the connection mouth 17 of the syringe, the piston 15 and cylinder
Application of anti-leakage layers 117 is equipped between 12 madial walls.The application of anti-leakage layers 117 protects positive atmospheric pressure will not be by 12 inside of piston 15 and cylinder
The gap of wall enters cylinder 12, ensures the subnormal ambient in cylinder 12.The nut 16 is threadedly coupled with the connection mouth 17 can
To ensure the more accurate of the two connection, it is not easy to reveal.
When it is implemented, the spacing of the groove 33 is 2mm, the depth of the groove 33 is 1cm, the block piece 31,
The distance between first pull-push piece 3 is more than the thickness 1cm of the cylinder.33 spacing of groove should not be too large, in order to avoid cause to live
Stopper rod 14 positions not enough precisely, and the depth of the groove 33 should not be excessively shallow, in case the push rod 32 being inserted cannot firmly block
Wherein, the distance between the block piece 31, first pull-push piece 3 are more than the thickness 1cm of the cylinder, guarantee actual insert
The depth for entering the push rod 32 of the groove 33 is identical with the depth of groove 33.
More than, it is only the preferable specific embodiment of the utility model, but the protection domain of utility model is not limited to
This, in the technical scope that any one skilled in the art discloses in the utility model, the variation that can readily occur in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with right
Subject to the protection domain of claim.
Claims (10)
1. a kind of ophthalmology silicone oil draw-out device, the oil pick-up tube being connected including syringe and with the syringe, which is characterized in that institute
Stating syringe includes piston rod and cylinder, and a side external surface of the piston rod is recessed inwardly to form multiple equidistant grooves,
The cylinder lateral wall opposite with the groove offers the circular hole through the cylinder, and the circular hole string is equipped with what is be adapted to the circular hole
Tubular push rod, external one end of the push rod are connected with tubular first push-and-pull coaxial with the push rod
Part, and the push rod is located at inner barrel and is connected with the cylinder coaxial with the push rod close to the part of cylinder madial wall
The block piece of the bodily form, the block piece, the diameter of the first pull-push piece are more than the diameter of the push rod, and the block piece, first push away
The distance between draw piece is more than the thickness of the cylinder.
2. ophthalmology silicone oil draw-out device according to claim 1, which is characterized in that the spacing of the groove is 2mm-5mm,
The depth of the groove is more than the thickness of the cylinder for the distance between 0.5cm-1.5cm, the block piece, the first pull-push piece
For 1-2cm.
3. ophthalmology silicone oil draw-out device according to claim 2, which is characterized in that the front end bifurcated of the oil pick-up tube is formed
First oil pumping is in charge of and the second oil pumping is in charge of, and the front end that first oil pumping is in charge of is connected with to be inserted in the first notch of sclera
It goes up and draws the first syringe needle of silicone oil, the front end that second oil pumping is in charge of is connected with to be inserted on the second notch of sclera simultaneously
Draw the second syringe needle of silicone oil；First syringe needle is in charge of with the first oil pumping to be connected, and second syringe needle is in charge of with the second oil pumping
Connection.
4. ophthalmology silicone oil draw-out device according to claim 3, which is characterized in that first syringe needle and the second syringe needle
Size shape is identical；First syringe needle and first oil pumping are installed with the first needle handle of hollow circular cylinder shape between being in charge of；
Second syringe needle and second oil pumping are installed with the second needle handle of hollow circular cylinder shape between being in charge of.
5. ophthalmology silicone oil draw-out device according to claim 4, which is characterized in that the ophthalmology silicone oil draw-out device also wraps
The second casing for including the first sleeve being inserted on the first notch of sclera and being inserted on the second notch of sclera, first pin
Head is inserted in first sleeve, and second syringe needle is inserted in the second casing.
6. ophthalmology silicone oil draw-out device according to claim 5, which is characterized in that the first sleeve includes being integrally formed
And concentrically the first anterior cannula and the first rear sleeve of the hollow circular cylinder structure of axis, first rear sleeve are located at the first protheca
The rear portion of pipe, the diameter of first rear sleeve are more than first anterior cannula, first rear sleeve and the first syringe needle outside
Footpath is engaged；Second casing includes integrated molding and concentrically the second anterior cannula and second of the hollow circular cylinder structure of axis
Rear sleeve, second rear sleeve are located at the rear portion of the second anterior cannula, before the diameter of second rear sleeve is more than described second
Casing, second rear sleeve are engaged with the outer diameter of the second syringe needle.
7. according to ophthalmology silicone oil draw-out device according to any one of claims 1 to 6, which is characterized in that in the oil pick-up tube
It is connected with to control the valve mechanism of oil inlet flow, the valve mechanism is connected with oil pick-up tube.
8. ophthalmology silicone oil draw-out device according to claim 7, which is characterized in that the valve mechanism includes valve seat, pressure
Wheel and wheel shaft；Interior be equipped with of the valve seat is used to be used to wear for oil inlet pipe for the track of pinch roller rolling and below the track
The passage crossed, the both sides of the track are equipped with inclined axial trough, and the both ends at the wheel shaft through the center of pinch roller and the wheel shaft are set
It is placed in axial trough；The outer convex block of bar is provided on the piston rod, and is equipped with to stop convex block outside the bar on the inside of the cylinder
Convex block in the bucket continued to move up.
9. according to 4,5,6 any one of them ophthalmology silicone oil draw-out device of claim, which is characterized in that the oil pick-up tube,
The pipe thickness that one oil pumping is in charge of and the second oil pumping is in charge of is 2-4mm, and one end of first syringe needle is fixedly connected on institute
State the inner surface of the first needle handle, one end of second syringe needle is fixedly connected on the inner surface of second needle handle, and described first
Needle handle, the outer surface of the second needle handle are provided with antiskid thread, first needle handle, a diameter of 1cm of the second needle handle, and described first
Syringe needle, the second syringe needle, the 3rd syringe needle, the tip of the 4th syringe needle are 45 ° of inclinations.
10. ophthalmology silicone oil draw-out device according to claim 9, which is characterized in that the oil pick-up tube, the first oil pumping are in charge of
The pipe thickness being in charge of with the second oil pumping is 3mm, and the other end of the oil pick-up tube is connected with nut, the nut and the injection
The connection mouth of device is threadedly coupled, and application of anti-leakage layers is equipped between the piston and cylinder madial wall；The spacing of the groove be 2mm, institute
State the thickness 1cm that the depth of groove is more than the cylinder for the distance between 1cm, the block piece, the first pull-push piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720147570.2U CN207370811U (en) | 2017-02-17 | 2017-02-17 | A kind of ophthalmology silicone oil draw-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720147570.2U CN207370811U (en) | 2017-02-17 | 2017-02-17 | A kind of ophthalmology silicone oil draw-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207370811U true CN207370811U (en) | 2018-05-18 |
Family
ID=62298273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720147570.2U Expired - Fee Related CN207370811U (en) | 2017-02-17 | 2017-02-17 | A kind of ophthalmology silicone oil draw-out device |
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| Country | Link |
|---|---|
| CN (1) | CN207370811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498264A (en) * | 2018-12-21 | 2019-03-22 | 南通市第人民医院 | A kind of ophthalmologic operation is with taking silicone oil device |
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2017
- 2017-02-17 CN CN201720147570.2U patent/CN207370811U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498264A (en) * | 2018-12-21 | 2019-03-22 | 南通市第人民医院 | A kind of ophthalmologic operation is with taking silicone oil device |
| CN109498264B (en) * | 2018-12-21 | 2020-01-14 | 南通市第一人民医院 | Silicone oil taking device for ophthalmic surgery |
| WO2020124637A1 (en) * | 2018-12-21 | 2020-06-25 | 高奎勇 | Silicone oil removal device for ophthalmic surgery |
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| GR01 | Patent grant | ||
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| 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: 20180518 |