CN109498264B

CN109498264B - Silicone oil taking device for ophthalmic surgery

Info

Publication number: CN109498264B
Application number: CN201811571530.6A
Authority: CN
Inventors: 高奎勇; 周学军
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-01-14
Anticipated expiration: 2038-12-21
Also published as: WO2020124637A1; CN110721026A; CN109498264A

Abstract

The invention discloses a silicone oil taking device for an ophthalmic operation. The invention is safe and reliable, can ensure the safety of the eyes of a patient, can effectively prevent the head of the patient from displacing in the operation, avoids the displacement of the needle head relative to the eyes of the patient, can effectively avoid the needle head from stabbing the eyes of the patient due to the displacement relative to the eyes of the patient, can effectively reduce the frequency of accidents of ophthalmic surgery, can simultaneously extract the silicone oil filled in the two eyes of the patient, effectively improves the operation efficiency, further shortens the operation time, can be repeatedly used, effectively reduces the generation of medical waste, has certain environmental protection value, can independently extract the silicone oil filled in one eye of the patient, is convenient for adjusting the tightness of the fixing band, is suitable for different patients, can effectively prevent the head of the patient from sideslipping in the arc-shaped groove, and is worthy of popularization.

Description

Silicone oil taking device for ophthalmic surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to a silicone oil taking device for an ophthalmic operation.

Background

The general term of ophthalmology is "ophthalmology specialty", which is the discipline for studying diseases occurring in the visual system, including the eyeball and its associated tissues. In ophthalmology, various ophthalmic diseases such as vitreous body, retinal diseases, ocular optics, glaucoma, optic neuropathy, cataract and the like are generally researched.

The combination of vitrectomy and silicone oil intraocular filling for treating retinal detachment has become a clinical routine surgical mode, silicone oil is filled into the eyes of a patient to support the retina to reset, and after the retina of the patient is completely reset, the silicone oil in the eyes of the patient is taken out.

The ophthalmic surgery in present many remote mountain areas, poverty area is with getting silicon oil equipment, the security performance is poor, can not guarantee the safety of patient's eyes, can not prevent that the patient from taking place the displacement in the head in the art, often lead to the relative patient's of syringe needle eyes to take place the displacement, and lead to the syringe needle to stab patient's eyes, the frequency that leads to ophthalmic surgery accident to take place is higher, can not extract the silicon oil of the inside packing of patient's eyes simultaneously, seriously influence operation efficiency, make the operation time longer, and can not used repeatedly, lead to the production of a large amount of medical waste, the environmental protection is worth lowly, for this, an ophthalmic surgery is with getting silicon oil device is proposed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a silicone oil taking device for ophthalmic surgery, which is safe and reliable, can ensure the safety of the eyes of the patient, can effectively prevent the head of the patient from displacing in the operation, avoids the displacement of the needle head relative to the eyes of the patient, can effectively avoid the needle head from stabbing the eyes of the patient due to the displacement relative to the eyes of the patient, can effectively reduce the frequency of the accidents of the ophthalmic surgery, can simultaneously extract the silicone oil filled in the eyes of the patient, effectively improves the operation efficiency, thereby shortening the operation time, being capable of being repeatedly used, effectively reducing the generation of medical waste, having certain environmental protection value, simultaneously, the silicone oil filled in one eye of the patient can be independently extracted, so that the tightness of the fixing belt can be conveniently adjusted, applicable to different patients, can effectively prevent that patient's head from sideslipping in the inside of arc recess.

In order to achieve the purpose, the invention provides the following technical scheme:

a silicone oil taking device for ophthalmic surgery comprises a fixing unit and a silicone oil taking unit;

the fixing unit comprises a supporting seat and two fixing bands, an arc-shaped groove is formed in the upper surface of the supporting seat, two inserting grooves are symmetrically formed in the two sides, located on the arc-shaped groove, of the upper surface of the supporting seat, an Contraband-type support stretching across the arc-shaped groove is detachably inserted into the two inserting grooves together, first fastening bolts used for locking the Contraband-type support are screwed on the outer sides of the two inserting grooves, two clamping grooves are symmetrically formed in one side of the upper portion of the Contraband-type support along the edge of the support, one ends of the two fixing bands are fixedly mounted on one side face of the supporting seat, two mounting grooves are formed in the other side face of the supporting seat, and locking pieces used for locking the other ends of the fixing bands are fixedly mounted in the two mounting grooves;

get silicon oil unit and include the barrel, the one end of barrel is enclosed construction, just the other end of barrel is equipped with the end cover, the inside of barrel is equipped with piston and piston rod, the one end of piston rod with a terminal surface fixed connection of piston, just the one end of piston rod runs through the end cover extends to the outside and the handle fixed connection of barrel, the cylindric casing that both ends are enclosed construction is installed through the connecting pipe intercommunication to the blind end of barrel, cylindric casing is kept away from the symmetry intercommunication is equipped with two grafting pipes on the side of connecting pipe, two the outside of grafting pipe is all pegged graft and is had the hose, the hose is kept away from the syringe needle is all installed to the one end of grafting pipe.

By adopting the technical scheme, the fixing unit is used for fixing the head of the patient, so that the head of the patient can be effectively prevented from displacing in the operation, the displacement of the needle head relative to the eyes of the patient can be avoided, and the phenomenon that the needle head punctures the eyes of the patient due to the displacement relative to the eyes of the patient can be effectively avoided, so that the device is safe and reliable, the occurrence of ophthalmic surgery accidents can be effectively reduced, and the safety of the eyes of the patient can be ensured; get the silicon oil unit and be used for extracting the inside silicon oil of filling of patient's eyes, can extract the inside silicon oil of filling of patient's eyes simultaneously through setting up two hoses and two syringe needles, effectively improve operation efficiency, and then shorten operating time, because two hoses are pegged graft at two outside of the pipe of pegging graft, consequently two hoses are convenient for change together with two syringe needles, make the device repeatedly usable, effectively reduce the production of medical waste, thereby make the device possess certain environmental protection and worth.

Furthermore, four fixing lugs are symmetrically and fixedly arranged on the two side faces of the supporting seat close to the bottom edge of the supporting seat, and mounting holes are formed in the four fixing lugs.

Through adopting above-mentioned technical scheme, be convenient for install the supporting seat on the operation table through four fixed ears of bolt cooperation and mounting hole, can prevent that the supporting seat from removing.

Furthermore, the outside of hose all the activity cover is equipped with the circle cover, all the spiro union has the second fastening bolt on the lateral wall of circle cover.

Through adopting above-mentioned technical scheme, be convenient for compress tightly the hose through operation second fastening bolt, can realize the effect of hose break-make, be convenient for extract the inside silicone oil of filling of patient's an eye alone.

Furthermore, two the draw-in groove is convex draw-in groove, and two the internal diameter of draw-in groove all is not greater than the external diameter of hose.

Through adopting above-mentioned technical scheme, can guarantee that the draw-in groove can the chucking hose, can prevent that the hose from droing from the inside of draw-in groove for the fixed effect of draw-in groove is better.

Furthermore, the end cover is a circular end cover, and the diameter of the end cover is larger than the outer diameter of the cylinder body.

By adopting the technical scheme, when the silicone oil unit is operated, the end cover can be held by the hand, so that the barrel body can be prevented from slipping off from the hand.

Furthermore, the needle point of the needle head is of a round angle structure.

By adopting the technical scheme, the eyes of a patient can be prevented from being punctured by the needle point of the needle.

Further, the Contraband-type bracket is positioned between the two fixing belts.

Through adopting above-mentioned technical scheme, the forehead part and the part below the nose of patient can be fixed to two fixed bands for Contraband type support is just in time located near patient's eye, is convenient for hold the hose in the inside of draw-in groove.

Further, the retaining member includes fixed mounting and is in the inside square fixed frame of mounting groove, square fixed frame is kept away from the spout has been seted up on the side of mounting groove, the inside of spout is equipped with spring and clamp plate, the one end of spring with the inner wall fixed connection of spout, just the other end of spring with a terminal surface fixed connection of clamp plate, the other terminal surface of clamp plate extends to the outside of spout, just the inside of clamp plate is seted up and is used for placeeing the logical groove of fixed band.

Through adopting above-mentioned technical scheme, be convenient for when pressing the clamp plate insert the fixed band other end in the inside that leads to the groove, when loosening the clamp plate, lead to the groove and will compress tightly the fixed band under the effect of spring, can prevent that the fixed band from leading to the groove slippage, be convenient for adjust the elasticity of fixed band simultaneously for this fixed unit can be applicable to different patients.

Furthermore, the square fixing frame is far away from one side face of the mounting groove, and a guide sleeve arranged outside the pressing plate is further mounted in a sleeved mode.

Through adopting above-mentioned technical scheme, the uide bushing can guarantee the stable removal along the spout of clamp plate.

Further, the surface of the supporting seat is also provided with an anti-skid layer, and the anti-skid layer is prepared by the following method:

weighing the following raw materials in parts by weight: 30-40 parts of epoxy resin, 10-15 parts of calcium carbonate powder, 18-25 parts of phenolic resin, 8-12 parts of glass powder, 3-6 parts of dodecyl alcohol ester, 2-5 parts of trihydrate amine, 1-3 parts of p-phenylenediamine, 2-4 parts of polydimethylsiloxane and 40-60 parts of water;

s1, adding epoxy resin, calcium carbonate powder, phenolic resin and glass powder into a ball mill for fine grinding until the particle diameter is not more than 40um, and preparing a mixed powder material;

s2, adding the mixed powder material prepared in the step S1 and water into a stirrer, stirring for 18-25min, adding dodecyl alcohol ester, triammonium, p-phenylenediamine and polydimethylsiloxane, continuing to stir for 20-30min, setting the stirring speed to be 700-900r/min, setting the temperature to be 80-100 ℃, and preparing a mixed solution;

s3, filtering the mixed solution prepared in the step S2 by a paint filter with the filter element mesh number not more than 100um to prepare the anti-skid paint;

s4, polishing the surface of the supporting seat by using sand paper, and washing the surface by using a high-pressure water gun;

s5, drying the supporting seat cleaned in the step S4 by using a hot air blower, and then uniformly spraying the anti-skid paint prepared in the step S3 on the upper surface of the dried supporting seat by using a high-pressure sprayer spray gun;

s6, drying and curing the supporting seat sprayed with the anti-slip coating in the step S5 in an oven, wherein the drying temperature is set to be 120-.

Through adopting above-mentioned technical scheme, the anti-skidding coating viscosity of preparation is moderate, be difficult for the layering, be convenient for the spraying, the film forming effect is better, each component fully combines, make anti-skidding coating form one at dry film forming in-process and level, smooth, even film, can effectively reduce and scribble liquid surface tension, improve its levelling nature and homogeneity, the skid resistant course possesses better anti-skidding effect, the adhesion is better, be difficult for droing, long service life can effectively prevent that patient's head from sideslipping in the inside of arc recess.

In summary, the invention mainly has the following beneficial effects:

1. according to the invention, the fixing unit is used for fixing the head of the patient, so that the head of the patient can be effectively prevented from displacing in the operation, the displacement of the needle head relative to the eyes of the patient can be avoided, and the phenomenon that the needle head punctures the eyes of the patient due to the displacement relative to the eyes of the patient can be effectively avoided, so that the device is safe and reliable, the frequency of accidents of ophthalmic surgery can be effectively reduced, and the safety of the eyes of the patient can be ensured;

2. according to the invention, the silicone oil unit is used for extracting the silicone oil filled in the eyes of the patient, and the silicone oil filled in the eyes of the patient can be extracted simultaneously by arranging the two hoses and the two needles, so that the operation efficiency is effectively improved, and the operation time is further shortened;

3. according to the invention, the hose can be conveniently compressed by operating the second fastening bolt, so that the on-off function of the hose can be realized, and the silicone oil filled in one eye of a patient can be conveniently and independently extracted;

4. according to the invention, when the pressing plate is pressed, the other end of the fixing belt is conveniently inserted into the through groove, when the pressing plate is loosened, the through groove can tightly press the fixing belt under the action of the spring, so that the fixing belt can be prevented from slipping from the through groove, and meanwhile, the tightness of the fixing belt can be conveniently adjusted, so that the fixing unit can be suitable for different patients;

5. the prepared anti-skid coating has moderate viscosity, is not easy to delaminate, is convenient to spray, has good film forming effect, fully combines all components, ensures that the anti-skid coating forms a flat, smooth and uniform coating film in the drying and film forming process, can effectively reduce the surface tension of the coating liquid, improves the leveling property and the uniformity of the coating liquid, has good anti-skid effect on an anti-skid layer, has good adhesiveness, is not easy to fall off, has long service life, can effectively prevent the head of a patient from sideslipping in the arc-shaped groove, and is worthy of popularization and promotion.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 after changing the angle;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a fixing unit according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 after changing the angle;

FIG. 6 is a partial schematic structural view of a fixing unit according to an embodiment of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 after changing the angle;

FIG. 8 is an enlarged view of the structure at B in FIG. 7;

FIG. 9 is a schematic structural diagram of a silicone oil taking unit according to an embodiment of the present invention;

FIG. 10 is an enlarged view of the structure of FIG. 9 at C;

FIG. 11 is a partial schematic structural view of a silicone oil taking unit according to an embodiment of the present invention;

FIG. 12 is a schematic cross-sectional view of FIG. 11;

fig. 13 is a schematic view showing the structure of a locker according to an embodiment of the present invention.

In the figure: 1. a fixing unit; 2. taking a silicone oil unit; 3. a supporting seat; 4. an arc-shaped groove; 5. fixing the ear; 6. mounting holes; 7. fixing belts; 8. model Contraband stents; 9. a card slot; 10. a first fastening bolt; 11. a locking member; 12. inserting a slot; 13. mounting grooves; 14. a barrel; 15. an end cap; 16. a piston rod; 17. a handle; 18. a connecting pipe; 19. a cylindrical housing; 20. a hose; 21. a round sleeve; 22. a second fastening bolt; 23. a needle head; 24. inserting a pipe; 25. a piston; 26. a square fixing frame; 27. a chute; 28. pressing a plate; 29. a through groove; 30. a spring; 31. and a guide sleeve.

Detailed Description

Example 1

The present invention is described in further detail below with reference to figures 1-13.

A silicone oil taking device for ophthalmic surgery is shown in figures 1-13 and comprises a fixing unit 1 and a silicone oil taking unit 2;

the fixing unit 1 comprises a supporting seat 3 and two fixing belts 7, an arc-shaped groove 4 is arranged on the upper surface of the supporting seat 3, two inserting grooves 12 are symmetrically arranged on the upper surface of the supporting seat 3 at two sides of the arc-shaped groove 4, an Contraband-shaped bracket 8 crossing the arc-shaped groove 4 is detachably inserted into the two inserting grooves 12, and the outer sides of the two inserting grooves 12 are respectively screwed with a first fastening bolt 10 for locking the Contraband-shaped bracket 8, two clamping grooves 9 are symmetrically arranged on one side of the upper part of the Contraband-shaped bracket 8 along the edge thereof, one end of each fixing belt 7 is fixedly arranged on one side surface of the supporting seat 3, two mounting grooves 13 are formed in the other side surface of the supporting seat 3, and locking pieces 11 for locking the other ends of the fixing belts 7 are fixedly mounted in the two mounting grooves 13;

get silicon oil unit 2 and include barrel 14, the one end of barrel 14 is enclosed construction, just the other end of barrel 14 is equipped with end cover 15, the inside of barrel 14 is equipped with piston 25 and piston rod 16, the one end of piston rod 16 with a terminal surface fixed connection of piston 25, just the one end of piston rod 16 runs through end cover 15 extends to the outside and the handle 17 fixed connection of barrel 14, the closed end of barrel 14 is installed through connecting pipe 18 intercommunication both ends for enclosed construction's cylindric casing 19, cylindric casing 19 is kept away from the symmetry intercommunication is equipped with two grafting pipes 24 on the side of connecting pipe 18, two the outside of grafting pipe 24 is all pegged graft and is had hose 20, hose 20 is kept away from the one end of grafting pipe 24 all installs syringe needle 23.

By adopting the technical scheme, the fixing unit 1 is used for fixing the head of the patient, so that the head of the patient can be effectively prevented from displacing in the operation, the displacement of the needle head 23 relative to the eyes of the patient can be avoided, and the eye of the patient can be effectively prevented from being stabbed due to the displacement of the needle head 23 relative to the eyes of the patient, so that the device is safe and reliable, the occurrence of ophthalmic surgery accidents can be effectively reduced, and the safety of the eyes of the patient can be ensured; get silicon oil unit 2 and be used for extracting the inside silicon oil of filling of patient's eyes, can extract the inside silicon oil of filling of patient's eyes simultaneously through setting up two hoses 20 and two syringe needles 23, effectively improve operation efficiency, and then shorten operation time, because two hoses 20 are pegged graft at two pegs graft pipe 24 outsides, consequently two hoses 20 are convenient for change together with two syringe needles 23, make the device repeatedly usable, effectively reduce medical waste's production, thereby make the device possess certain environmental protection and worth.

Preferably, four fixing lugs 5 are symmetrically and fixedly mounted on the two side surfaces of the supporting seat 3 close to the bottom edge of the supporting seat, and mounting holes 6 are formed in the four fixing lugs 5. The supporting seat 3 is convenient to be installed on the operating bed through the four fixing lugs 5 matched with the bolts and the installation holes 6, and the supporting seat 3 can be prevented from moving.

Preferably, the flexible pipe 20 is movably sleeved with a round sleeve 21, and the side wall of the round sleeve 21 is screwed with a second fastening bolt 22. The hose 20 is conveniently pressed by operating the second fastening bolt 22, so that the on-off function of the hose 20 can be realized, and the silicone oil filled in one eye of the patient can be conveniently and independently extracted.

Preferably, the two clamping grooves 9 are both arc-shaped clamping grooves, and the inner diameters of the two clamping grooves 9 are not larger than the outer diameter of the hose 20. Can guarantee that draw-in groove 9 can the chucking hose 20, can prevent that hose 20 from droing from the inside of draw-in groove 9 for draw-in groove 9's fixed effect is better.

Preferably, the end cap 15 is a circular end cap, and the diameter of the end cap 15 is larger than the outer diameter of the cylinder 14. When the silicone oil unit 2 is operated, the end cover 15 can be held by hand, and the barrel 14 can be prevented from slipping off the hand.

Preferably, the tip of the needle 23 is of a rounded configuration. The needle tip of the needle 23 is prevented from stabbing the patient's eye.

Preferably, the Contraband-type bracket 8 is located between two fixing belts 7. The two straps 7 can be secured to the forehead and under the nose of the patient so that the Contraband-shaped bracket 8 is positioned just near the eyes of the patient, facilitating the retention of the hose 20 inside the slot 9.

Preferably, retaining member 11 includes fixed mounting and is in the inside square fixed frame 26 of mounting groove 13, square fixed frame 26 keeps away from spout 27 has been seted up on a side of mounting groove 13, the inside of spout 27 is equipped with spring 30 and clamp plate 28, spring 30's one end with the inner wall fixed connection of spout 27, just spring 30's the other end with a terminal surface fixed connection of clamp plate 28, another terminal surface of clamp plate 28 extends to the outside of spout 27, just the inside of clamp plate 28 is seted up and is used for placeeing through groove 29 of fixed band 7. Be convenient for when pressing down clamp plate 28 with fixed band 7 other end ann insert in the inside that leads to groove 29, when loosening clamp plate 28, lead to groove 29 and will compress tightly fixed band 7 under the effect of spring 30, can prevent that fixed band 7 from leading to groove 29 slippage, be convenient for adjust the elasticity of fixed band 7 simultaneously for this fixed unit 1 is applicable in the patient of difference.

Preferably, a guide sleeve 31 sleeved outside the pressure plate 28 is further mounted on one side surface of the square fixing frame 26 away from the mounting groove 13. The guide sleeve 31 ensures a stable movement of the pressure plate 28 along the slide groove 27.

Example 2

The difference from the embodiment 1 is that the surface of the support seat 3 is further provided with an anti-slip layer, and the anti-slip layer is prepared by the following method:

weighing the following raw materials in parts by weight: 30 parts of epoxy resin, 10 parts of calcium carbonate powder, 18 parts of phenolic resin, 8 parts of glass powder, 3 parts of dodecyl alcohol ester, 2 parts of trihydrate amine, 1 part of p-phenylenediamine, 2 parts of polydimethylsiloxane and 40 parts of water;

s2, adding the mixed powder material prepared in the step S1 and water into a stirrer, stirring for 18min, adding dodecyl alcohol ester, triammonium, p-phenylenediamine and polydimethylsiloxane, continuing stirring for 20min, setting the stirring speed at 700r/min and the temperature at 80 ℃ to prepare a mixed solution;

s4, polishing the surface of the supporting seat 3 by using sand paper, and washing the surface by using a high-pressure water gun;

s5, drying the supporting seat 3 cleaned in the step S4 by using a hot air blower, and then uniformly spraying the anti-skid paint prepared in the step S3 on the upper surface of the dried supporting seat 3 by using a high-pressure sprayer spray gun;

and S6, drying and curing the support seat 3 sprayed with the anti-slip coating in the step S5 in an oven, wherein the drying temperature is set to 120 ℃, and the time is set to 20min, so that the anti-slip layer is formed on the upper surface of the support seat 3.

Example 3

The difference from example 2 lies in the preparation of the anti-slip layer, which is specifically prepared as follows:

weighing the following raw materials in parts by weight: 35 parts of epoxy resin, 13 parts of calcium carbonate powder, 22 parts of phenolic resin, 10 parts of glass powder, 5 parts of dodecyl alcohol ester, 4 parts of trihydrate amine, 2 parts of p-phenylenediamine, 3 parts of polydimethylsiloxane and 50 parts of water;

s2, adding the mixed powder material prepared in the step S1 and water into a stirrer, stirring for 23min, adding dodecyl alcohol ester, triammonium trihydrate, p-phenylenediamine and polydimethylsiloxane, continuing stirring for 25min, setting the stirring speed to be 800r/min and the temperature to be 90 ℃, and preparing a mixed solution;

and S6, drying and curing the support seat 3 sprayed with the anti-slip coating in the step S5 in an oven, wherein the drying temperature is set to 130 ℃, the time is set to 25min, and then the anti-slip layer is formed on the upper surface of the support seat 3.

Example 4

weighing the following raw materials in parts by weight: 40 parts of epoxy resin, 15 parts of calcium carbonate powder, 25 parts of phenolic resin, 12 parts of glass powder, 6 parts of dodecyl alcohol ester, 5 parts of trihydrate amine, 3 parts of p-phenylenediamine, 4 parts of polydimethylsiloxane and 60 parts of water;

s2, adding the mixed powder material prepared in the step S1 and water into a stirrer, stirring for 25min, adding dodecyl alcohol ester, triammonium, p-phenylenediamine and polydimethylsiloxane, continuing stirring for 30min, setting the stirring speed at 900r/min and the temperature at 100 ℃ to prepare a mixed solution;

and S6, drying and curing the support seat 3 sprayed with the anti-slip coating in the step S5 in an oven, wherein the drying temperature is set to 140 ℃, and the time is set to 30min, so that the anti-slip layer is formed on the upper surface of the support seat 3.

The results of measuring the static friction coefficient of the surface of the support base 3 in examples 1 to 4 in a laboratory using a static and dynamic friction coefficient measuring instrument under the same conditions are shown in the following table:

	coefficient of static friction
		Example 1	0.30
Example 2	0.48
		Example 3	0.53
Example 4	0.55

The embodiment 4 is the optimal embodiment according to the comparative analysis of the test results on the upper table, and by adopting the technical scheme, the prepared anti-skid paint has moderate viscosity, is not easy to delaminate, is convenient to spray, has a good film forming effect, and fully combines all components, so that the anti-skid paint forms a flat, smooth and uniform film in the drying and film forming process, the surface tension of the coating liquid can be effectively reduced, the leveling property and the uniformity of the coating liquid are improved, the anti-skid layer has a good anti-skid effect, the adhesiveness is good, the anti-skid paint is not easy to fall off, the service life is long, and the head of a patient can be effectively prevented from sideslipping in the arc-shaped groove.

The working principle is as follows: when the silicone oil taking device for ophthalmic surgery works, the fixing unit 1 is used for fixing the head of a patient, so that the head of the patient can be effectively prevented from displacing in the surgery, the needle head 23 can be prevented from displacing relative to the eyes of the patient, the needle head 23 can be effectively prevented from stabbing the eyes of the patient due to the displacement relative to the eyes of the patient, the device is safe and reliable, the frequency of occurrence of ophthalmic surgery accidents can be effectively reduced, and the safety of the eyes of the patient can be guaranteed; the silicone oil unit 2 is used for extracting silicone oil filled in the eyes of a patient, the silicone oil filled in the eyes of the patient can be extracted simultaneously by arranging the two hoses 20 and the two needles 23, so that the operation efficiency is effectively improved, the operation time is further shortened, and the two hoses 20 and the two needles 23 are convenient to replace because the two hoses 20 are inserted outside the two inserting pipes 24, so that the device can be repeatedly used, the generation of medical waste is effectively reduced, and the device has certain environmental protection value; the hose 20 is conveniently pressed by operating the second fastening bolt 22, so that the on-off function of the hose 20 can be realized, and the silicone oil filled in one eye of the patient can be conveniently and independently extracted; when the pressing plate 28 is pressed, the other end of the fixing belt 7 can be conveniently inserted into the through groove 29, when the pressing plate 28 is loosened, the fixing belt 7 can be tightly pressed by the through groove 29 under the action of the spring 30, the fixing belt 7 can be prevented from slipping from the through groove 29, and meanwhile, the tightness of the fixing belt 7 can be conveniently adjusted, so that the fixing unit 1 can be suitable for different patients; when the device is used, the head of a patient is fixed inside the arc-shaped groove 4 through the fixing belt 7, the needle 23 penetrates into the vitreous cavity along the scleral incision, the hose 20 is clamped inside the clamping groove 9, the end cover 15 is held by one hand, the piston 25 is pulled by the other hand to take out silicon oil inside the vitreous cavity through negative pressure, the hose 20 can be pressed through tightening the second fastening bolt 22, one hose 20 is separated, and the silicon oil inside one eye of the patient can be extracted.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an ophthalmic surgery is with getting silicon oil device which characterized in that: comprises a fixing unit (1) and a silicone oil taking unit (2);

the fixing unit (1) comprises a supporting seat (3) and two fixing bands (7), an arc-shaped groove (4) is formed in the upper surface of the supporting seat (3), two inserting grooves (12) are symmetrically formed in two sides, located on the arc-shaped groove (4), of the upper surface of the supporting seat (3), Contraband-type brackets (8) stretching across the arc-shaped groove (4) are detachably inserted into the two inserting grooves (12), first fastening bolts (10) used for locking the Contraband-type brackets (8) are screwed on the outer sides of the two inserting grooves (12), two clamping grooves (9) are symmetrically formed in one side of the upper portion of the Contraband-type bracket (8) along the edge of the upper portion of the Contraband-type bracket (8), one ends of the two fixing bands (7) are fixedly mounted on one side of the supporting seat (3), and two mounting grooves (13) are formed in the other side of the supporting seat (3), locking pieces (11) used for locking the other ends of the fixing belts (7) are fixedly arranged in the two mounting grooves (13);

the silicone oil taking unit (2) comprises a cylinder body (14), one end of the cylinder body (14) is of a closed structure, an end cover (15) is arranged at the other end of the cylinder body (14), a piston (25) and a piston rod (16) are arranged inside the cylinder body (14), one end of the piston rod (16) is fixedly connected with one end face of the piston (25), the other end of the piston rod (16) penetrates through the end cover (15) and extends to the outside of the cylinder body (14) to be fixedly connected with a handle (17), a cylindrical shell (19) with two closed structures at two ends is communicated and installed at the closed end of the cylinder body (14) through a connecting pipe (18), two inserting pipes (24) are symmetrically communicated and installed on one side face, far away from the connecting pipe (18), of the cylindrical shell (19), two inserting pipes (24) are symmetrically communicated and provided with the outside of the inserting pipes (, and needles (23) are respectively arranged at one end of the hose (20) far away from the insertion pipe (24).

2. The silicone oil taking device for ophthalmic surgery according to claim 1, characterized in that: the two side faces of the supporting seat (3) are symmetrically and fixedly provided with four fixing lugs (5) close to the bottom edges of the supporting seat, and mounting holes (6) are formed in the fixing lugs (5).

3. The silicone oil taking device for ophthalmic surgery according to claim 1, characterized in that: the outside of hose (20) all movable sleeve is equipped with circle cover (21), all spiro union has second fastening bolt (22) on the lateral wall of circle cover (21).

4. The silicone oil taking device for ophthalmic surgery according to claim 1, characterized in that: the two clamping grooves (9) are arc-shaped clamping grooves, and the inner diameters of the two clamping grooves (9) are not larger than the outer diameter of the hose (20).

5. The silicone oil taking device for ophthalmic surgery according to claim 1, characterized in that: the end cover (15) is a circular end cover, and the diameter of the end cover (15) is larger than the outer diameter of the cylinder body (14).

6. The silicone oil taking device for ophthalmic surgery according to claim 1, characterized in that: the needle point of the needle head (23) is of a round angle structure.

7. The silicone oil taking device for ophthalmic surgery according to claim 1, characterized in that: the Contraband-shaped bracket (8) is positioned between the two fixing belts (7).

8. The silicone oil taking device for ophthalmic surgery according to claim 1, characterized in that: retaining member (11) are including fixed mounting in the inside square fixed frame (26) of mounting groove (13), keep away from square fixed frame (26) has seted up spout (27) on the side of mounting groove (13), the inside of spout (27) is equipped with spring (30) and clamp plate (28), the one end of spring (30) with the inner wall fixed connection of spout (27), just the other end of spring (30) with a terminal surface fixed connection of clamp plate (28), the other terminal surface of clamp plate (28) extends to the outside of spout (27), just the inside of clamp plate (28) is seted up and is used for ann to insert logical groove (29) of fixed band (7).

9. The silicone oil extracting device for ophthalmic surgery according to claim 8, characterized in that: the square fixing frame (26) is far away from one side face of the mounting groove (13) and is further provided with a guide sleeve (31) sleeved outside the pressing plate (28).