CN213963901U - Improved resilient posterior sclera pressurizing device - Google Patents
Improved resilient posterior sclera pressurizing device Download PDFInfo
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- CN213963901U CN213963901U CN202022282340.1U CN202022282340U CN213963901U CN 213963901 U CN213963901 U CN 213963901U CN 202022282340 U CN202022282340 U CN 202022282340U CN 213963901 U CN213963901 U CN 213963901U
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Abstract
The utility model discloses an improved resilient rear sclera pressurizing device, which comprises a handheld end, a pressurizing ring and a pressurizing rod in the pressurizing end. The utility model discloses a device can be used for the treatment of high myopia back sclera grape swelling, yellow spot fissure hole, yellow spot splitting etc. also can be used for delaying the increase of high myopia eye axle, and its simple operation through the pressure bar can realize exerting the pressure of pressure ring, can not cause the eye injury to the patient. And simultaneously, the utility model discloses a device structure is more simple, the operation is more convenient, makes the degree of difficulty low, easily industrialization, low in manufacturing cost, more can accept for vast patient.
Description
Technical Field
The utility model relates to a back sclera pressure device, in particular to back sclera pressure device of modified resilience formula belongs to medical equipment technical field.
Background
Posterior scleral compression is generally used for treating high myopia posterior scleral staphyloma, macular hole, macular cleavage and the like, and provides an important means for treating high myopia fundus complications; posterior scleral compression is also used to retard the growth of the highly myopic axis of the eye. The current posterior scleral compression is cumbersome, troublesome and inconvenient to use.
Really use novel CN207708080U to disclose a posterior sclera pressurization device, but this device does not possess the resilience function to inside need to set up light source module, it is loaded down with trivial details inconvenient to use, and the manufacturing degree of difficulty is high, and is with high costs. The utility model CN210056445U discloses a resilient posterior sclera pressing device, which has a resilient function, but the device is difficult to realize the accurate positioning of the device at the eyeball part, moreover, the resilience of the device adopts a push rod mode, the force needs to be controlled accurately, otherwise, the patient is easily injured by mistake, and the optic nerve is damaged; meanwhile, the push rod and the push rod sleeve are required to be taken out respectively after operation, so that the use is inconvenient, the sleeve is complex in arrangement, the manufacturing process is complicated, the technological requirement is strict, and the production cost is high.
Therefore, there is still a clinical need for a resilient posterior scleral compression device that is simpler in structure, convenient to use, and particularly convenient for other parts to be removed after surgery without causing injury to the patient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provides a sclera pressure device behind modified resilience formula to solve the problem mentioned in the above-mentioned background art. The device of the utility model has the advantages of simpler structure, easy and simple to handle, and can not cause the eye harm to the patient.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides an improved springback type rear sclera pressurizing device, which comprises a handheld end, wherein one end of the handheld end is fixedly connected with a pressurizing end which is arranged in an arc shape, one end of the pressurizing end, which is far away from the handheld end, is penetrated and provided with a pressurizing ring which is arranged in a similar circle shape, two side walls of the handheld end are fixedly connected with suture fixing holes, and a cross rod is fixedly connected between two side walls of the handheld end; the cross rod is detachably connected with a pressurizing rod, and one end of the pressurizing rod is detachably connected with the pressurizing ring; the pressure rod is connected with the cross rod and the pressure ring through the detachable connecting device, and the pressure rod is arranged at a certain radian.
As a preferred technical solution of the present invention, the hand-held end, the pressurizing end and the pressurizing ring are integrally formed into an integrated coil structure, that is, the hand-held end, the pressurizing end and the pressurizing ring are constructed on the basis of a complete coil ring structure; the hand-held end and the pressurizing end form a gourd ladle-shaped structure with a certain arc-shaped arrangement, one end of the pressurizing end, which is far away from the hand-held end, is penetrated and provided with a pressurizing ring which is arranged in a similar circle shape, and the pressurizing ring is arranged in the pressurizing end.
As a preferable embodiment of the present invention, the hand-held end may have a plate-like or mesh-like structure to prevent the sclera from being damaged by the wire-like structure.
As a preferred technical scheme of the utility model, the fixing hole of the hand-held end can be provided with a series of different intervals, and the model with proper interval is selected according to the eye structure of the patient; different numbers of fixing holes can be arranged, and the number of the fixing holes is 1-8; the fixing holes can be arranged on the outer sides of the two side walls of the handheld end and can also be arranged on the inner sides of the two side walls; the posterior sclera pressurizing device with the specific fixed hole spacing can be prepared in a customized mode based on the eyeball 3D structures of different patients, so that the posterior sclera pressurizing device can be accurately positioned on eyes of the patients, and optic nerves are prevented from being damaged.
As an optimal technical scheme of the utility model, elastic membrane or elastic plate are established to the cover on the pressure ring, elastic membrane or elastic plate can be to the whole pressurization of back sclera, can not harm the back sclera. The elastic membrane or elastic sheet material is selected from silicone rubber, unsaturated polyester, acryl elastomer, vinyl elastomer, epoxy resin, phenolic resin, bismaleimide, polyimide, polypropylene, polycarbonate, nylon, polyether ether ketone, polyether sulfone, acrylonitrile-butadiene-styrene copolymer, polymethyl methacrylate, elastic metal, and the like. The elastic membrane or the elastic plate can be sleeved and clamped on the pressure ring.
As a preferred technical proposal of the utility model, the elastic membrane or the elastic plate is provided with a concave structure at one side far away from the hand-held end, and the top end of the concave structure is 0.5mm-5mm away from the optic nerve behind the eyeball; the elastic membrane or plate may also be a grid-like structure.
As a preferred technical solution of the present invention, the hand-held end and the pressure end are made of elastic metal, alloy or elastic polymer material; the elastic metal or alloy may be medical steel, steel-containing alloy, titanium-nickel alloy, etc. The elastic high polymer material can be polymethyl methacrylate, unsaturated polyester, propenyl elastomer, vinyl elastomer, epoxy resin, phenolic resin, bismaleimide, polyimide, polypropylene, polycarbonate, nylon, polyether ether ketone, polyether sulfone, acrylonitrile-butadiene-styrene copolymer, polylactic acid, polyhydroxyalkanoate, poly aliphatic ester, polycaprolactone, carbon dioxide copolymer and the like.
As a preferred technical solution of the present invention, the outer side walls of the hand-held end, the pressure-applying ring and the cross bar can be covered with a layer of silica gel or other elastic materials, such as unsaturated polyester, acryl elastomer, vinyl elastomer, epoxy resin, phenolic resin, bismaleimide, polyimide, polypropylene, polycarbonate, nylon, polyetheretherketone, polyethersulfone, acrylonitrile-butadiene-styrene copolymer, polylactic acid, polyhydroxyalkanoate, poly aliphatic ester, polycaprolactone, carbon dioxide copolymer, etc.
As a preferred technical solution of the present invention, the pressurizing rod is provided with one or more identical components of the connecting device, and the pressurizing distance of the pressurizing ring can be adjusted by selecting and using different components of the connecting device; the pressurizing rods can be set in different sizes and types, and different pressurizing distances of the pressurizing ring can be realized by selecting the pressurizing rods in different sizes and types according to the specific eye conditions of patients.
The utility model discloses in "can dismantle" means, connect to be non-fixed, can fix both in certain through certain mode promptly and fix both certainly, also can separate both through certain mode when needs, for example buckle formula is connected etc..
As a preferred embodiment of the present invention, the initial shape of the hand-held end and the pressing end is the shape required to achieve the final effect.
The utility model discloses a sclera pressure device after modified resilience formula use as follows: according to the eye condition of the patient, a pressure rod with a proper size is selected, a connecting device component on the pressure rod is selected, the pressure rod is connected to the handheld end and the pressure ring, the pressure rod applies pressure to the pressure ring, the pressure ring is pushed backwards for a certain distance (such as 2-8 mm) and the pressure on the pressure ring is maintained. When the device is used, the temporobulbar conjunctiva and the fascia of a patient are firstly opened, the pressurizing end extends to the lower part of the macular region along the scleral wall from the lower part of the fascia to the rear part, the handheld end is fixed through the suture fixing hole, and then the pressurizing rod, the cross rod and the pressurizing ring are separated and taken out; the pressurizing ring rebounds and presses the yellow spots to perform the pressurizing function, and the whole operation is simple and convenient. For further accurate positioning, a 3D model of the eyeball can be made, the distance from the positioning hole of the device to the optic nerve is calculated, and then the distance from the pressurizing hole to the corneal limbus is determined, so that the device is ensured not to damage the optic nerve.
The utility model has the advantages that: (1) the device is simpler in structure, particularly the arrangement of the pressurizing rod directly realizes the pressure arrangement of the pressurizing ring, no additional sleeve and other structures are needed, and in the using process, the worry about the uncomfortable force control and the damage to the eyeball are avoided; (2) the arrangement of the pressurizing rod ensures that the pressurizing rod can be separated and taken out very easily after the operation, and the eye of the patient can not be injured, and the optic nerve can not be damaged; (3) the arrangement of the pressurizing rod can be realized by only using a common non-fixed (detachable) connecting mode (such as a buckle type design and the like), a complex structure is not needed, the preparation process is simple, a complex auxiliary structure is not needed, the production difficulty can be greatly reduced, and the method is suitable for industrialization; (4) the device of the application has a similar structure relatively, the cost is greatly reduced, and the burden of a patient can be well lightened under the condition of obtaining a better operation effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the device of the present invention in a top view 1: a schematic view without a pressure bar;
fig. 2 is a schematic view of the top view structure of the device of the present invention 2: schematic containing a pressure bar, not showing the elastic membrane;
FIG. 3 is a schematic diagram of the side view structure of the device of the present invention
FIG. 4 is a schematic view of the structure of the pressurizing rod of the device of the present invention
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1: posterior scleral compression device example 1
As shown in the figure1-4The utility model relates to an improved springback rear sclera pressurizing device, which comprises a handheld end 1, wherein one end of the handheld end 1 is fixedly connected with a pressurizing end 2 in an arc-shaped arrangement, one end of the pressurizing end 2, which is far away from the handheld end 1, is provided with a pressurizing ring 3 in a similar circular arrangement in a penetrating way, two side walls of the handheld end 1 are fixedly connected with suture fixing holes 4, and a cross rod 5 is fixedly connected between two side walls of the handheld end; can dismantle on the horizontal pole 5 and connect a pressure bar 6, the one end of pressure bar 6 can be dismantled with pressure ring 3 and be connected, pressure bar 6 is connected with horizontal pole 5 and pressure ring 3 respectively through dismantling connecting device 7, pressure bar 6 can possess certain radian or curve setting.
The handheld end 1, the pressurizing end 2 and the pressurizing ring 3 are integrally of a coiled structure, namely the handheld end 1, the pressurizing end 2 and the pressurizing ring 3 are constructed on the basis of a complete coil ring structure; the hand-held end 1 and the pressurizing end 2 form a gourd ladle-shaped structure with a certain arc-shaped arrangement, one end of the pressurizing end 2, which is far away from the hand-held end, is penetrated and provided with a pressurizing ring 3 which is arranged in a similar circle shape, and the pressurizing ring 3 is arranged in the pressurizing end 2.
The pressurizing ring 3 is preferably sleeved with an elastic membrane or an elastic plate 8, and the elastic membrane or the elastic plate 8 can wholly pressurize the posterior sclera without damaging the posterior sclera. The elastic membrane or elastic plate 8 is made of silicon rubber, polymethyl methacrylate, unsaturated polyester, acryl elastomer, vinyl elastomer, epoxy, phenolic aldehyde, bismaleimide, polyimide, polypropylene, polycarbonate, nylon, polyether ether ketone, polyether sulfone, acrylonitrile-butadiene-styrene copolymer, elastic metal and the like. The elastic membrane or the elastic plate 8 can be sleeved and clamped on the pressure ring. The elastic membrane or the elastic plate 8 is provided with a concave structure at one side far away from the handheld end 1, and the top end of the concave structure is 0.5mm-5mm away from the optic nerve behind the eyeball; the elastic membrane or plate 8 may also be a grid-like structure.
The handheld end 1 and the pressurizing end 2 are both made of elastic metal or alloy or elastic polymer material; the elastic metal or alloy may be medical steel, steel-containing alloy, titanium-nickel alloy, etc. The elastic high polymer material can be polymethyl methacrylate, unsaturated polyester, propenyl elastomer, vinyl elastomer, epoxy resin, phenolic resin, bismaleimide, polyimide, polypropylene, polycarbonate, nylon, polyether ether ketone, polyether sulfone, acrylonitrile-butadiene-styrene copolymer, polylactic acid, polyhydroxyalkanoate, poly aliphatic ester, polycaprolactone, carbon dioxide copolymer and the like.
The outer side walls of the handheld end 1, the pressure end 2, the pressure ring 3 and the cross bar 5 can be covered with a layer of silica gel or elastic material, which can be unsaturated polyester, propenyl elastomer, vinyl elastomer, epoxy, phenolic aldehyde, bismaleimide, polyimide, polypropylene, polycarbonate, nylon, polyether ether ketone, polyether sulfone, acrylonitrile-butadiene-styrene copolymer and the like.
The fixing hole 4 of the handheld end 1 can be provided with a series of different intervals, and the model with the proper interval is selected according to the eye structure of the patient, so that the posterior sclera pressurizing device can be accurately positioned on the eyes of the patient; different numbers of fixing holes 4 can be arranged, and the number of the fixing holes 4 is different from 1 to 8; the fixing holes 4 can be arranged on the outer sides of the two side walls of the handheld end 1 and also can be arranged on the inner sides of the two side walls; the posterior sclera pressurizing device with the specific fixed hole spacing can be prepared in a customized mode based on the eyeball 3D structures of different patients, so that the posterior sclera pressurizing device can be accurately positioned on eyes of the patients, and optic nerves are prevented from being damaged.
The pressurizing rod 6 is provided with a plurality of same components of the connecting device 7, and the pressurizing distance of the pressurizing ring 3 can be adjusted by selectively using different components of the connecting device 7; the pressurizing rods 6 can be set in different sizes and types, and the pressurizing rods 6 in different sizes and types can be selected according to the specific eye condition of a patient, so that different pressurizing distances of the pressurizing ring 3 can be realized.
Example 2: posterior scleral compression device example 2
The structure is basically the same as that of the embodiment 1, but the difference is that the handheld end 1 is arranged, and the handheld end 1 is arranged into a plate-shaped structure or a mesh-shaped structure so as to avoid the injury of a linear structure to the sclera; the middle of the handheld end 1 of the plate-shaped or net-shaped structure is provided with a hole, and the lower edge of the hole can replace the action of the cross rod 5 to be connected with the pressurizing rod 6 and rotate, so that the pressurizing ring 3 is pressurized.
Example 3: application method
According to the eye condition of the patient, a pressure rod 6 with a proper size is selected, a connecting device component on the pressure rod is selected, the pressure rod 6 is connected to the cross rod 5 and the pressure ring 3, the pressure rod 6 applies pressure to the pressure ring 3, the pressure ring 3 is pushed backwards for a certain distance (such as 2-8 mm), and the pressure on the pressure ring 3 is maintained.
When in use, the temporal bulbar conjunctiva and the fascia of a patient are firstly opened, the pressurizing end 2 extends to the lower part of the macular region along the scleral wall from the lower part of the fascia to the back, the handheld end 1 is fixed through the suture fixing hole 4, and then the pressurizing rod 6 is separated from the handheld end 1, the cross rod 5 and the pressurizing ring 3 and taken out; the pressing ring 3 rebounds and presses the macula lutea to exert the pressing function.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An improved resilience type posterior sclera pressurizing device comprises a handheld end (1), wherein one end of the handheld end (1) is fixedly connected with an arc-shaped pressurizing end (2), one end, far away from the handheld end (1), of the pressurizing end (2) penetrates through a pressurizing ring (3) which is arranged in a similar circle shape, and two side walls of the handheld end (1) are fixedly connected with suture fixing holes (4); the method is characterized in that:
a cross bar (5) is fixedly connected between the two side walls of the handheld end; the cross rod (5) is detachably connected with a pressurizing rod (6), and one end of the pressurizing rod (6) is detachably connected with the pressurizing ring (3); the pressure rod (6) is respectively connected with the cross rod (5) and the pressure ring (3) through a detachable connecting device (7).
2. The apparatus of claim 1, wherein: the number of the fixing holes (4) of the handheld end (1) can be 1-8, and the fixing holes (4) are formed in the outer side or the inner side of two side walls of the handheld end (1).
3. The apparatus of claim 1, wherein: the handheld end (1), the pressurizing end (2) and the pressurizing ring (3) are integrally of a coiled structure; the hand-held end (1) and the pressurizing end (2) form a gourd ladle-shaped structure with a certain arc-shaped arrangement, one end of the pressurizing end (2) far away from the hand-held end (1) is penetrated and provided with a pressurizing ring (3) which is arranged in a similar circle shape, and the pressurizing ring (3) is arranged in the pressurizing end (2).
4. The apparatus of claim 1, wherein: the handheld end (1) is arranged to be of a plate-shaped structure or a mesh-shaped structure, and a hole is formed in the middle of the handheld end (1) for the connection and separation of the pressurizing rod (6).
5. The apparatus according to any one of claims 1-4, wherein: the handheld end (1) and the pressurizing end (2) are made of elastic metal, elastic alloy or elastic polymer material.
6. The apparatus according to any one of claims 1-4, wherein: the pressurizing ring (3) is sleeved with an elastic membrane or an elastic plate (8).
7. The apparatus according to any one of claims 1-4, wherein: the outer side walls of the handheld end (1), the pressurizing end (2), the pressurizing ring (3) and the cross rod (5) can be covered with a layer of silica gel or high polymer material.
8. The apparatus according to any one of claims 1-4, wherein: the pressurizing rod (6) is an arc-shaped rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282340.1U CN213963901U (en) | 2020-10-14 | 2020-10-14 | Improved resilient posterior sclera pressurizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282340.1U CN213963901U (en) | 2020-10-14 | 2020-10-14 | Improved resilient posterior sclera pressurizing device |
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| Publication Number | Publication Date |
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| CN213963901U true CN213963901U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022282340.1U Active CN213963901U (en) | 2020-10-14 | 2020-10-14 | Improved resilient posterior sclera pressurizing device |
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- 2020-10-14 CN CN202022282340.1U patent/CN213963901U/en active Active
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