CN215229173U - Silicone oil taking-out sealing ring for ophthalmology - Google Patents
Silicone oil taking-out sealing ring for ophthalmology Download PDFInfo
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- CN215229173U CN215229173U CN202121829335.6U CN202121829335U CN215229173U CN 215229173 U CN215229173 U CN 215229173U CN 202121829335 U CN202121829335 U CN 202121829335U CN 215229173 U CN215229173 U CN 215229173U
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Abstract
The utility model relates to an ophthalmic silicone oil taking-out sealing ring, which comprises a silica gel ring and a polyethylene baffle; the silica gel ring is a hollow cylindrical elastic ring, and an annular groove is formed below the silica gel ring; the polyethylene baffle comprises an inner ring and a baffle; the inner ring is arranged in the annular groove below the silica gel ring, and the outer diameter of the inner ring is equal to that of the silica gel ring; the baffle is fan-shaped and comprises a horizontal baffle and an outer baffle; the two sides of each baffle are symmetrically distributed about the center of the inner ring, and the central angle is 90 degrees; a groove is formed by enclosing the horizontal baffle, the outer baffle and the silica gel ring at the inner side together and is used for accommodating the suction tube; the ophthalmic silicone oil extraction sealing ring further comprises a sleeve matched with the ophthalmic silicone oil extraction sealing ring. Its advantages are: the problem of local conjunctiva congestion and bleeding in the existing silicone oil taking-out operation can be effectively solved, eyeball tissues are protected, one-time complete suction can be realized, the operation time is shortened, and the silicone oil taking-out efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to an ophthalmology silicone oil takes out sealing ring.
Background
In order to prevent the occurrence of postoperative retinal detachment or re-detachment, after the vitreoretinal surgery such as complicated retinal detachment, proliferative diabetic retinopathy, retinal incision and excision and the like, the silicone oil filling operation in eyes is required to be carried out conventionally, and then the silicone oil taking-out operation is carried out after 3-6 months of the surgery according to the disease condition.
The silicone oil plays an important role in treating complicated retinal detachment due to unique physical properties, but the silicone oil can not be absorbed by intraocular tissues, and serious complications such as cataract, glaucoma, low intraocular pressure, corneal endothelial lesion and the like are easily caused after the silicone oil is left in eyes for a long time, so that the silicone oil is necessary to be taken out as soon as possible after the eyeground diseases are cured, and the silicone oil is the conventional operation in clinic at present.
Taking out silicone oil, making a transcoccular conjunctiva sclera incision at a position 3-3.5mm away from the corneal scleral edge, inserting a trocar, pulling out a needle core, connecting with a suction tube of a silicone oil negative pressure suction device, setting the pressure of the suction device to be about-65 mmHg, and setting the suction time to be about 30 min. Because the diameter of the suction tube is slightly larger, the conjunctiva congestion, bleeding and even tearing of the local conjunctiva tissue are easily caused when the local conjunctiva tissue is exposed to a negative pressure environment for a long time. In practice, the operator often needs to pause the suction several times to relieve conjunctival congestion, reducing the efficiency of the operation.
Chinese patent documents: CN201922090311.2, application date 2019.11.28, patent names: a silicone oil extractor for ophthalmology. Discloses an ophthalmological silicone oil extractor, in particular to the technical field of medical appliances. An ophthalmological silicone oil extractor comprises a piston rod and a needle cylinder, wherein the piston rod comprises a separation blade, a connecting rod and a push block made of rubber, the separation blade, the connecting rod and the push block are sequentially connected from top to bottom, the area of the separation blade is larger than that of an opening in the top of the needle cylinder, the connecting rod is in a cross shape, the push block is connected to the inner wall of the needle cylinder in a sliding mode, and the push block seals the opening in the top of the needle cylinder; the connecting rod is rotatably connected with a plurality of clamping blocks which are distributed symmetrically and equidistantly, the clamping blocks are made of rubber, and the top of the needle cylinder is symmetrically provided with two clamping grooves matched with the corresponding clamping blocks.
Chinese patent documents: CN201710225190.0, application date 20170407, patent names: a negative pressure type silicone oil extractor. The negative pressure type silicone oil extractor comprises a needle cylinder, wherein a piston is arranged in the needle cylinder, the piston is provided with a push rod, the tail end of the push rod is provided with an operating handle, and the outer wall of the needle cylinder is provided with volume scales; the front end of the needle cylinder is provided with a soft catheter, the soft catheter is provided with a needle head, and the soft catheter is provided with a buckle; the tail end of the needle cylinder is provided with an epitaxial seat in a mirror image mode, and the epitaxial seats are respectively provided with through holes; a vertical handle parallel to the extension seat is arranged at the joint part of the push rod and the operating handle; telescopic handles are respectively arranged between the two ends of the vertical handle and the opposite extension seats, and a plurality of clamping tongues are respectively arranged on the telescopic handles; one end of the telescopic handle is movably connected with the vertical handle, and the other end of the telescopic handle penetrates through the through hole.
In the above patent document CN201922090311.2, the silicone oil extractor for ophthalmology adopts the design of matching the piston rod and the syringe, which overcomes the problem that the existing syringe cannot keep the negative pressure in the syringe constant during the operation, does not need an assistant, and can be used in the silicone oil extraction operation; in the patent document CN201710225190.0, a piston is disposed in a needle cylinder, the piston is provided with a push rod, an operating handle is disposed at the tail end of the push rod, the outer wall of the needle cylinder is provided with volume scales, a vertical handle parallel to the extension base is disposed at the joint of the push rod and the operating handle, and telescopic handles are disposed between the two ends of the vertical handle and the opposite extension base. However, there is no report on an ophthalmic silicone oil extraction sealing ring which can effectively solve the problems of local conjunctival congestion and bleeding in the existing silicone oil extraction operation, protect eyeball tissues, realize complete one-time suction, shorten the operation time and improve the silicone oil extraction efficiency.
In summary, there is a need for an ophthalmic silicone oil extraction sealing ring that can effectively solve the problems of local conjunctival congestion and bleeding in the existing silicone oil extraction operation, protect eyeball tissue, realize complete one-time suction, shorten operation time, and improve silicone oil extraction efficiency.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, provide one kind and can effectively solve present silicon oil and take out local conjunctiva congestion, the problem of bleeding that appears in the operation, protect eyeball tissue to can realize that disposable suction is complete, shorten operating time, improve the ophthalmology silicon oil that silicon oil took out efficiency and take out the sealing ring.
In order to achieve the purpose, the utility model adopts the technical proposal that:
an ophthalmic silicone oil taking-out sealing ring comprises a silicone ring and a polyethylene baffle; the silica gel ring is a hollow cylindrical elastic ring, and an annular groove is formed below the silica gel ring; the silica gel ring is made of medical silica gel; the polyethylene baffle comprises an inner ring and a baffle; the inner ring is arranged in the annular groove below the silica gel ring; the baffle is fan-shaped and comprises a horizontal baffle and an outer baffle; the two sides of each baffle are symmetrically distributed about the center of the inner ring, and the central angle is 90 degrees; a groove is formed by enclosing the horizontal baffle, the outer baffle and the silica gel ring at the inner side together and is used for accommodating the suction tube; the polyethylene baffle is made of high-density polyethylene material; the ophthalmic silicone oil extraction sealing ring further comprises a sleeve metal head matched with the ophthalmic silicone oil extraction sealing ring.
As a preferred technical scheme, the silica gel ring has the outer diameter of 3.2mm, the inner diameter of 2.4mm, the wall thickness of 0.4mm and the height of 1.6 mm.
As a preferred technical scheme, the outer diameter of the silica gel ring is larger than that of the metal head of the sleeve.
As a preferred technical scheme, the lower edge of the annular groove is 0.3mm away from the lower surface of the silica gel ring, the depth of the groove is 0.2mm, and the width of the groove is 0.3 mm.
As a preferred technical scheme, the outer diameter of the inner ring is equal to that of the silica gel ring, the inner diameter is 2.8mm, the wall thickness is 0.2mm, and the height is 0.3 mm.
As a preferable technical scheme, the width of the horizontal baffle is 1.0mm, the thickness of the horizontal baffle is 0.3mm, the width of the outer baffle is 0.3mm, and the height of the outer baffle is 0.5 mm.
As a preferable technical scheme, the metal head of the sleeve is an Elekang ophthalmic perfusion sleeve, and the specific parameters of the sealing ring refer to the measured data of the sleeve.
The utility model has the advantages that:
1. medical silica gel material is selected for use to the silica gel ring, and the elasticity coefficient is higher, and the security is high, organizes the affinity good, can take place to show deformation in the negative pressure environment on the one hand, effectively fills out and closes and attracts pipe and sleeve pipe metal head clearance, and on the other hand, when silica gel and eyeball direct contact, can effectively slow down the vertical extrusion pressure that probably takes place among the operation process to can effectively protect eyeball tissue.
2. The polyethylene baffle is made of high-density polyethylene material, and has the advantages of high strength, high hardness, no odor and no toxicity.
3. The utility model discloses a silicon oil takes out sealing ring and designs according to clinical silicon oil remove device characteristics commonly used, can the current clinical apparatus of fine adaptation in actual operation, effective airtight attraction pipe and sleeve pipe metal head clearance to separate eyeball tissue and negative pressure environment, avoid consequences such as local conjunctiva congestion, hemorrhage.
4. After the sealing treatment, because the problems of tissue congestion and bleeding in the suction process are solved, multiple times of suction is not needed in the operation, the silicone oil taking-out efficiency is effectively improved, and the pain of patients is relieved.
5. The inner diameter of the silica gel ring is slightly smaller than the outer diameter of the metal head of the sleeve, so that the silica gel ring is easy to install and disassemble, and the condition of the sleeve is checked conveniently in the operation process.
6. Through the recess that encloses jointly between horizontal baffle, outer baffle and the inboard silica gel ring for the silica gel ring can effectively be fixed to the polyethylene baffle, prevents the silica gel ring slippage in the negative pressure environment.
7. Simple structure, the cost of manufacture is low, but disposable, and clinical silicone oil remove device at present of adaptation that can be better is easily used widely.
8. The utility model discloses silicon oil takes out the sealing ring can effectively solve present silicon oil and take out the local conjunctiva congestion that appears in the operation, the problem of bleeding, and protection eyeball tissue to can realize that disposable suction is complete, shorten operating time, improve silicon oil and take out efficiency.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the sealing ring for taking out ophthalmic silicone oil of the present invention.
Fig. 2 is a schematic diagram of a three-dimensional structure of a silica gel ring for taking out a sealing ring from ophthalmic silicone oil.
Fig. 3 is a schematic view of the stereo structure of the polyethylene baffle for taking out the sealing ring from the ophthalmic silicone oil.
Fig. 4 is a top view of the sealing ring for taking out ophthalmic silicone oil of the present invention.
Fig. 5 is a schematic structural diagram of the metal head of the sealing ring application sleeve for ophthalmic silicone oil extraction.
Fig. 6 is a schematic structural view of the suction tube and the sleeve metal head applied to the ophthalmological silicone oil extraction sealing ring of the present invention.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. silica gel ring 11, annular groove
2. Polyethylene baffle 21. inner ring
22. Baffle 221 horizontal baffle
222. Outer baffle 3. groove
4. Suction tube 5. sleeve metal head
Example 1
Please refer to fig. 1-3, fig. 1 is a schematic diagram of the overall structure of the sealing ring for taking out ophthalmic silicone oil of the present invention, fig. 2 is a schematic diagram of the three-dimensional structure of the silica gel ring for taking out the sealing ring from ophthalmic silicone oil of the present invention, and fig. 3 is a schematic diagram of the three-dimensional structure of the polyethylene baffle for taking out the sealing ring from ophthalmic silicone oil of the present invention. The ophthalmic silicone oil taking-out sealing ring is used for being matched with an ophthalmic perfusion sleeve of Aierkang, the specific parameters of the sealing ring refer to the measurement data of the sleeve, and the ophthalmic silicone oil taking-out sealing ring comprises a silicone ring 1 and a polyethylene baffle 2; the silica gel ring 1 is a hollow cylindrical elastic ring, and an annular groove 11 is formed below the silica gel ring; the silica gel ring 1 has an outer diameter of 3.2mm, an inner diameter of 2.4mm (slightly larger than the outer diameter of the metal head of the ophthalmic perfusion sleeve of Erkon), a wall thickness of 0.4mm and a height of 1.6 mm; the lower edge of the annular groove 11 is 0.3mm away from the lower surface of the silica gel ring, the depth of the groove is 0.2mm, and the width of the groove is 0.3 mm; the polyethylene baffle 2 bag consists of an inner ring 21 and a baffle 22; the inner ring 21 is arranged in the annular groove 11 below the silica gel ring 1, the outer diameter of the inner ring 21 is equal to that of the silica gel ring 1, the inner diameter is 2.8mm, the wall thickness is 0.2mm, and the height is 0.3 mm; the baffle 22 is fan-shaped and comprises a horizontal baffle 221 and an outer baffle 222; the two sides of the baffle 22 are respectively and symmetrically distributed about the center of the inner ring 21, the central angle is 90 degrees, the width of the horizontal baffle 221 is 1.0mm, the thickness of the horizontal baffle is 0.3mm, the width of the outer baffle 222 is 0.3mm, and the height of the outer baffle is 0.5 mm; a groove 3 is further defined between the horizontal baffle 221, the outer baffle 222 and the silica gel ring 1 at the inner side together for accommodating the suction tube 4.
It should be noted that: the silica gel ring 1 is made of medical silica gel, has high elasticity coefficient, high safety and good tissue affinity, can generate obvious deformation in a negative pressure environment on one hand, and effectively fills the gap between the suction tube and the sleeve metal head; on the other hand, when the silica gel is in direct contact with the eyeball, the longitudinal pushing pressure which possibly occurs in the operation process can be effectively relieved, so that the eyeball tissue can be effectively protected; the polyethylene baffle 2 is made of high-density polyethylene material, and has high strength, high hardness, no odor and no toxicity; the inner diameter of the silica gel ring 1 is slightly smaller than the outer diameter of the metal head of the sleeve, so that the installation and the disassembly are easy, and the condition of the sleeve can be conveniently checked in the operation process; the polyethylene baffle plate can effectively fix the silica gel ring and prevent the silica gel ring from slipping in a negative pressure environment through the groove 3 which is formed by enclosing the horizontal baffle plate, the outer baffle plate and the silica gel ring at the inner side together; simple structure, the cost of manufacture is low, but disposable, and clinical silicone oil remove device at present of adaptation that can be better is easily used widely.
The utility model discloses an ophthalmology silicone oil takes out sealing ring application method (can refer to attached 5-6): when the silicone oil is taken out, the sealing ring is placed behind the indwelling casing, the sealing ring can be easily sleeved outside the metal head 5 of the casing due to the slightly larger inner diameter of the sealing ring, the lower surface of the silica gel ring is in contact with the eyeball, and the groove 3 defined by the silica gel ring 1, the outer baffle 222 and the horizontal baffle 221 faces upwards. After the silicone oil suction device is connected, the suction tube 4 is sleeved outside the silicone ring 1, and the tail end of the suction tube 4 is positioned inside the outer baffle 222 and contacts the horizontal baffle 221. The suction tube 4 is fixed during the operation, the negative pressure suction apparatus is connected to continuously suck the silicone oil, if the suction condition of the silicone oil needs to be observed, the suction tube 4 can be slowly and easily pulled out, and the suction tube 4 is connected according to the method during the secondary suction. After operation, the suction tube 4 is firstly pulled out, then the sealing ring is taken down from the sleeve metal head 5, and the side baffle 22 can be clamped by tweezers and can be taken down by slight force along the vertical direction.
The utility model discloses an ophthalmology silicon oil takes out sealing ring, the silica gel ring chooses for use medical silica gel material, and the elasticity coefficient is higher, and the security is high, and tissue affinity is good, can take place to show the deformation in the negative pressure environment on the one hand, effectively closes and attracts pipe and sleeve pipe metal head clearance, and on the other hand, when silica gel and eyeball direct contact, can effectively slow down the vertical extrusion pressure that probably takes place in the operation process to can effectively protect eyeball tissue; the polyethylene baffle is made of high-density polyethylene material, so that the strength is high, the hardness is high, and the baffle is tasteless, odorless and nontoxic; the silicone oil taking-out sealing ring of the utility model is designed according to the characteristics of the common clinical silicone oil taking-out device, can be well adapted to the existing clinical instruments in the actual operation, and effectively seals the gap between the suction tube and the sleeve metal head, thereby separating the eyeball tissue from the negative pressure environment and avoiding the consequences of hyperemia, hemorrhage and the like of local conjunctiva; after the sealing treatment, because the problems of tissue congestion and bleeding in the suction process are solved, multiple times of suction is not needed in the operation, the silicone oil taking-out efficiency is effectively improved, and the pain of a patient is relieved; the inner diameter of the silica gel ring is slightly smaller than the outer diameter of the metal head of the sleeve, so that the silica gel ring is easy to mount and dismount, and the condition of the sleeve is convenient to check in the operation process; the polyethylene baffle plate can effectively fix the silica gel ring and prevent the silica gel ring from slipping in a negative pressure environment through the groove formed by the horizontal baffle plate, the outer baffle plate and the silica gel ring on the inner side; the structure is simple, the manufacturing cost is low, the silicon oil extracting device can be used for one time, can be well adapted to the current clinical silicon oil extracting device, and is easy to popularize and use; the utility model discloses silicon oil takes out the sealing ring can effectively solve present silicon oil and take out the local conjunctiva congestion that appears in the operation, the problem of bleeding, and protection eyeball tissue to can realize that disposable suction is complete, shorten operating time, improve silicon oil and take out efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (7)
1. An ophthalmic silicone oil taking-out sealing ring is characterized in that the ophthalmic silicone oil taking-out sealing ring comprises a silicone ring and a polyethylene baffle; the silica gel ring is a hollow cylindrical elastic ring, and an annular groove is formed below the silica gel ring; the silica gel ring is made of medical silica gel; the polyethylene baffle comprises an inner ring and a baffle; the inner ring is arranged in the annular groove below the silica gel ring; the baffle is fan-shaped and comprises a horizontal baffle and an outer baffle; the two sides of each baffle are symmetrically distributed about the center of the inner ring, and the central angle is 90 degrees; a groove is formed by enclosing the horizontal baffle, the outer baffle and the silica gel ring at the inner side together and is used for accommodating the suction tube; the polyethylene baffle is made of high-density polyethylene material; the ophthalmic silicone oil extraction sealing ring further comprises a sleeve metal head matched with the ophthalmic silicone oil extraction sealing ring.
2. The ophthalmic silicone oil removing sealing ring according to claim 1, wherein the silicone ring has an outer diameter of 3.2mm, an inner diameter of 2.4mm, a wall thickness of 0.4mm, and a height of 1.6 mm.
3. The ophthalmic silicone oil extraction sealing ring of claim 1, wherein the silicone ring outer diameter is larger than the cannula metal head outer diameter.
4. The ophthalmic silicone oil extraction sealing ring of claim 1, wherein the lower edge of the annular groove is 0.3mm from the lower surface of the silicone ring, the groove depth is 0.2mm, and the groove width is 0.3 mm.
5. The ophthalmic silicone oil extraction sealing ring of claim 1, wherein the outer diameter of the inner ring is equal to the outer diameter of the silicone ring, the inner diameter is 2.8mm, the wall thickness is 0.2mm, and the height is 0.3 mm.
6. The ophthalmic silicone oil extraction sealing ring of claim 1, wherein the horizontal baffle is 1.0mm wide and 0.3mm thick, and the outer baffle is 0.3mm wide and 0.5mm high.
7. The ophthalmic silicone oil extraction sealing ring of claim 1, wherein the metal head of the cannula is an elkan ophthalmic infusion cannula, and the specific parameters of the sealing ring are all measured with reference to the cannula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829335.6U CN215229173U (en) | 2021-08-06 | 2021-08-06 | Silicone oil taking-out sealing ring for ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829335.6U CN215229173U (en) | 2021-08-06 | 2021-08-06 | Silicone oil taking-out sealing ring for ophthalmology |
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| CN215229173U true CN215229173U (en) | 2021-12-21 |
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| CN202121829335.6U Active CN215229173U (en) | 2021-08-06 | 2021-08-06 | Silicone oil taking-out sealing ring for ophthalmology |
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- 2021-08-06 CN CN202121829335.6U patent/CN215229173U/en active Active
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