WO2020046054A1 - Dispositif d'implant pour maladie oculaire présentant des propriétés physiques et une forme facilement modifiables - Google Patents

Dispositif d'implant pour maladie oculaire présentant des propriétés physiques et une forme facilement modifiables Download PDF

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Publication number
WO2020046054A1
WO2020046054A1 PCT/KR2019/011175 KR2019011175W WO2020046054A1 WO 2020046054 A1 WO2020046054 A1 WO 2020046054A1 KR 2019011175 W KR2019011175 W KR 2019011175W WO 2020046054 A1 WO2020046054 A1 WO 2020046054A1
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Prior art keywords
lower plate
upper plate
implant device
tube
plate
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PCT/KR2019/011175
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English (en)
Korean (ko)
Inventor
한종철
황영훈
Original Assignee
사회복지법인 삼성생명공익재단
건양의료재단
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Application filed by 사회복지법인 삼성생명공익재단, 건양의료재단 filed Critical 사회복지법인 삼성생명공익재단
Publication of WO2020046054A1 publication Critical patent/WO2020046054A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00781—Apparatus for modifying intraocular pressure, e.g. for glaucoma treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
    • A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0612—Eyes

Definitions

  • the present invention relates to an implantable device for ocular disease that is easy to change the shape and physical properties, and more particularly to a patient-specific implant device in the form of a membrane that can be easily replaced with the shape and properties suitable for the patient's eye conditions and conditions.
  • Glaucoma filtration which produces a bypass or fistula for a waterproof outflow, may fail to control intraocular pressure due to a decrease in waterproof outflow due to closure of the bypass again after surgery. If primary surgery fails and glaucoma filtration is performed again, the frequency of bypass closure increases after surgery and the success rate is poor.
  • refractory glaucoma such as neovascular glaucoma or secondary glaucoma due to uveitis
  • frequent bypass closure after glaucoma filtration is not a good result.
  • the glaucoma implant device is made of a tube that acts as a path through which the waterproofing goes out of the eye in front of the eye, and a small disc or membrane artifact that creates a space for the waterproofing to temporarily gather under the subconjunctival or tenonous sac.
  • Conventional glaucoma implant devices are manufactured in a certain form and properties and inserted into the eye, so that the implant device can be modified according to the eye condition or condition (ex. Fibrosis progression rate, etc.) of the patient, which affects the performance of waterproof leakage. There is a problem that can not be achieved by this effective waterproof spill.
  • the present invention is to solve the problems as described above, an implant device for the ophthalmic disease improved the coupling relationship, material, shape, etc. of the components constituting the implant device to meet the purpose of effective discharge and control of the water.
  • the purpose is to provide.
  • an object of the present invention is to provide an implant device for patient-specific eye diseases that can be easily replaced with a plate of the appropriate shape and physical properties according to the patient's eye conditions and conditions.
  • the present invention significantly improves the operation convenience of the clinician during surgery and at the same time to minimize the problems such as fibrosis even after surgery to secure the stability of the discharge of the ophthalmic disease to ensure effective treatment of eye diseases
  • An object of the present invention is to provide an implant device.
  • the hollow plate is formed for the outflow of the water and the upper plate in the form of a cover for preventing the exposure of the tube and the tube can be inserted into the plate
  • an implant body including a gutter-shaped tube insertion path in which the tube is seated, and a lower plate connected to the tube insertion path to receive the water, and a lower plate including a circular chamber formed at the center thereof.
  • the plate may be detachable from the lower plate.
  • the size of the upper plate according to an embodiment of the present invention is formed the same or smaller than the size of the lower plate, the thickness of the upper plate may be formed the same or thinner than the thickness of the lower plate.
  • An upper plate according to an embodiment of the present invention may be formed of a flexible material having an antifibrous component coated on an outer surface thereof or a flexible material containing an antifibrous component.
  • the upper plate according to an embodiment of the present invention may include a well-shaped fixing portion that can be formed at one point of the upper plate for the procedure and fixation of the implant device.
  • the surface of the lower plate in contact with the upper plate may be formed with a projection for strengthening the coupling force with the upper plate.
  • the lower plate may include a plurality of discharge paths connected to the circular chamber to form the rear of the lower plate to assist the outflow of the water.
  • the implant device for ocular disease further includes a wick that can be pulled into the hollow of the tube to adjust the amount of outflow water, the lower plate is connected to the circular chamber for the adjustment or removal of the wick lower It may include a plurality of wick passages formed in at least one direction of the front or side of the plate.
  • the wick according to an embodiment of the present invention may be designed to have a smaller diameter toward the distal end based on a predetermined point on the proximal end side.
  • the implant device for ophthalmic diseases provided as an embodiment of the present invention, by separating the implant body receiving the water is divided into upper and lower, by improving the coupling relationship, form, material, etc. of the separated upper and lower, compared with the conventional Effective drainage and regulation can be carried out.
  • the surgeon can greatly improve the convenience of the clinician during surgery for intraocular insertion of the implant device, and minimize the problems such as fibrosis after the operation, thereby securing stability of discharge of the water and effective treatment of eye diseases. You can do that.
  • FIG. 1 is a side view showing a state in which an implant device for an ocular disease according to an embodiment of the present invention is inserted into the eye.
  • FIG. 2 is a perspective view of an implant device for eye diseases according to an embodiment of the present invention.
  • Figure 3 is a perspective view of the implant device for eye diseases according to the first embodiment of the present invention.
  • Figure 4 is a plan perspective view of the implant device for eye diseases according to the second embodiment of the present invention.
  • FIG. 5 is a perspective view showing a state in which an implant device for an ocular disease according to an embodiment of the present invention is inserted into an eyeball.
  • Figure 6 is a side view showing a discharge water discharge process of the implant device for eye diseases according to an embodiment of the present invention.
  • the hollow plate is formed for the outflow of the water and the upper plate in the form of a cover for preventing the exposure of the tube and the tube can be inserted into the plate
  • an implant body including a gutter-shaped tube insertion path in which the tube is seated, and a lower plate connected to the tube insertion path to receive the water, and a lower plate including a circular chamber formed at the center thereof.
  • the plate may be detachable from the lower plate.
  • the size of the upper plate according to an embodiment of the present invention is formed the same or smaller than the size of the lower plate, the thickness of the upper plate may be formed the same or thinner than the thickness of the lower plate.
  • An upper plate according to an embodiment of the present invention may be formed of a flexible material having an antifibrous component coated on an outer surface thereof or a flexible material containing an antifibrous component.
  • the upper plate according to an embodiment of the present invention may include a well-shaped fixing portion that can be formed at one point of the upper plate for the procedure and fixation of the implant device.
  • the surface of the lower plate in contact with the upper plate may be formed with a projection for strengthening the coupling force with the upper plate.
  • the lower plate may include a plurality of discharge paths connected to the circular chamber to form the rear of the lower plate to assist the outflow of the water.
  • the implant device for ocular disease further includes a wick that can be pulled into the hollow of the tube to adjust the amount of outflow water, the lower plate is connected to the circular chamber for the adjustment or removal of the wick lower It may include a plurality of wick passages formed in at least one direction of the front or side of the plate.
  • the wick according to an embodiment of the present invention may be designed to have a smaller diameter toward the distal end based on a predetermined point on the proximal end side.
  • any part of the specification is to “include” any component, this means that it may further include other components, except to exclude other components unless specifically stated otherwise.
  • terms, such as “... part” described in the specification means a unit for processing at least one function or operation.
  • a part of the specification is said to be “connected” with another part, this includes not only the case of “directly connected”, but also “connected with a different configuration in the middle”.
  • FIG. 1 is a side view showing a state in which the implant device for the eye disease according to an embodiment of the present invention is inserted into the eye 10.
  • the implant device for ocular disease in order to prevent the intraocular pressure is increased due to the ocular disease to prevent damage to the optic nerve is produced in the anterior chamber (anterior chamber) of the eye (10) It is to control intraocular pressure by controlling the discharge of aqueous humor.
  • the implant device for ocular disease may be inserted by peeling the conjunctival tissue or tenon layer (tenon tissue) 4 of the eye 10, and after the insertion, the eyeball (in the manner of covering the conjunctival tissue or tenon tissue 4 again). 10) can be disposed within.
  • one side of the tube 100 is inserted into the front of the eyeball 10 and the tube body 100 and the tube 100 are inserted and coupled to the implant body 200 may be inserted into conjunctival tissue or tenon tissue 4.
  • intraocular water generated in the front may be temporarily received in the implant body 200 by flowing through the tube 100.
  • the amount of intraocular water received in the implant body 200 exceeds a predetermined amount, the received intraocular water may be discharged into the conjunctival tissue or tenon tissue 4 through the rear of the implant body 200. This effectively regulates intraocular pressure. Details of the implant device will be described later in more detail with reference to FIGS. 2 to 4.
  • the ocular disease may include glaucoma generated due to elevated intraocular pressure, and such glaucoma includes congenital glaucoma, traumatic glaucoma, glaucoma symptom, ocular hypertension, primary open-angle glaucoma, normal-tension glaucoma, and lens.
  • Lens cystic glaucoma chronic simple glaucoma, low-tension glaucoma, pigmented glaucoma, primary closed-angle glaucoma, acute closed-angle glaucoma, chronic closed-angle glaucoma, intermittent closed-angle glaucoma with glaucoma, Glaucoma caused by inflammation of the eye, glaucoma caused by drugs, secondary glaucoma due to neovascular glaucoma or uveitis, and the like.
  • FIG. 2 is a perspective view of an implant device for eye diseases according to an embodiment of the present invention.
  • the implant device for ocular disease easy to change the shape and physical properties according to an embodiment of the present invention
  • the hollow is formed for the outflow of the water
  • the tube 100 and the tube 100 can be inserted into the plate Gutter-shaped tube insertion path 221 in which the upper plate 210 and the tube 100 are seated to prevent the exposure of the) and the tube insertion path 221 to accommodate the water
  • an implant body 200 including a lower plate 220 including a circular chamber 222 formed at a center thereof, and the upper plate 210 may be detachable from the lower plate 220.
  • One side of the tube 100 is located in the front of the eyeball 10, the other side is inserted through the tube insertion path 221 formed in the lower plate 220 to the center of the implant body 200 (ie circular chamber 222). As such, since the tube 100 is inserted into the implant body 200, a donor tissue is not required separately, and the risk of exposure of the tube 100 may be reduced.
  • the upper plate 210 may be detachably attached to the lower plate 220, when the upper plate 210 is separated from the lower plate 220, the tube 100 is stably lowered 220. It can be seated in the tube insertion path (221) of. When the tube 100 is seated, the upper plate 210 may be attached to the lower plate 220 again so that the tube 100 may be completely fixed to the implant body 200.
  • Insertion of the tube 100 through the detachment of the plate as described above can completely improve the problems such as the tube 100 is broken or damaged in the process of inserting the tube 100 into the membrane plate, the eye state of the patient
  • the tube 100 having an appropriate length and width may be stably replaced according to conditions (eg, patient's eye circumference, length, etc.).
  • the detachable method of the upper plate 210 and the lower plate 220 will be described later in detail with reference to FIG. 4.
  • the width of the tube insertion path 221 of the gutter type in which the tube 100 is seated may be equal to or larger than the outer diameter of the tube 100. That is, even when the diameter of the tube 100 should be larger according to the eye state or condition of the patient during surgery for insertion of the implant device, only the tube 100 may be easily replaced without having to replace the implant body 200 itself.
  • the width of the tube insertion path 221 may be the same as the outer diameter of the tube 100 or larger than the outer diameter of the tube 100.
  • the width of the tube insertion path 221 may preferably be a 0.4mm value, depth (i.e. vertical width) may be a 0.3mm value, but is not limited thereto.
  • the length of the tube 100 may be preferably a value of 30 mm, but may be formed to have a range of 20 mm to 40 mm depending on the circumferential length of the eyeball 10.
  • the inner diameter of the tube 100, the hollow is formed may be formed to have a range value of 0.13mm to 0.23m, the outer diameter of the tube 100 has a range value of 0.25mm to 0.4mm.
  • the perforated window can be small to minimize the amount of ambient outflow of the waterproof. In addition, this can reduce the type and number of postoperative procedures and the number of patients with early postoperative complications.
  • the circular chamber 222 included in the lower plate 220 may be formed in a hemispherical shape or a well shape partially recessed in the lower plate 220. That is, since the circular chamber 222 is a space for temporarily receiving the inner water, the circular chamber 222 is partially recessed in the lower plate 220 in a hemispherical shape or a well shape (ie, a cylindrical shape) to effectively perform this role. Can be.
  • the width of the circular chamber 222 may preferably be a value of 2mm
  • depth (i.e. vertical width) of the circular chamber 222 may preferably be a value of 0.3mm, but is not limited to the above-described example.
  • the upper plate 210 may swell until the maximum capacity is exceeded, and when the maximum plate capacity is exceeded, the aqueous chamber may be discharged into the conjunctival tissue or the tenon tissue 4. Regarding the leakage process of the back water will be described later in detail with reference to FIG.
  • the upper plate 210 may be formed in the form of an expandable membrane in order to prevent the exposure and departure of the tube 100 and to receive the stable water stably. More specifically, the upper plate 210 may be formed in the form of a film that can swell when the water is completely received in the circular chamber in order to increase the water capacity of the implant body 200 in relation to stable reception of the water. . That is, the maximum capacity of the stable water may be determined according to the degree of expansion of the upper plate 210 formed in the form of a membrane.
  • the size of the upper plate 210 is formed the same or smaller than the size of the lower plate 220, the thickness of the upper plate 210 is equal to or less than the thickness of the lower plate 220 It can be formed thin.
  • the size and thickness of the upper plate 210 may be preferably smaller and thinner than the lower plate 220.
  • the thickness of the upper plate 210 may be 0.2mm value
  • the thickness of the lower plate 220 may be 0.4mm value.
  • the upper plate 210 may be formed of a flexible material having an antifibrous component coated on an outer surface thereof or a flexible material containing an antifibrous component.
  • fibrosis occurs in the tissue of the inserted portion, which may cause damage such as breaking or crushing the tube 100 or the implant body 200. If the tube 100 or the implant body 200 is damaged, it is impossible to properly perform drainage and control of the inner water, so that the anti-fibrotic component is coated on the outer surface of the upper plate 210 to prevent the fibrosis of surrounding tissues as much as possible. Or may contain an antifibrotic component in the upper plate 210.
  • the upper plate 210 may be formed in an expandable film form, it may be formed of a flexible material such as silicon. Such a flexible material may vary depending on eye conditions or conditions of the patient. That is, the flexible material of the upper plate 210 is changed according to the eye state or condition of the patient, so that an implant device suitable for the patient's body may be provided. It is preferable that the upper plate 210 having a high risk of damage is formed as described above, but the lower plate 220 may be formed of a flexible material containing an anti-fiber component like the upper plate 210.
  • FIG 3 is a plan perspective view of an implant device for an ocular disease according to a first embodiment of the present invention
  • Figure 4 is a plan perspective view of an implant device for an ocular disease according to a second embodiment of the present invention.
  • protrusions for reinforcing engagement with the upper plate 210 are provided on the surface 220-1 of the lower plate 220 in contact with the upper plate 210 according to an embodiment of the present invention. Can be formed.
  • the contact surface of the upper plate 210 and the lower plate 220 is a surface where the upper plate 210 and the lower plate 220 contact each other in structure, or as shown in FIG. 4, the upper plate 210 and the lower plate ( 220 may be a surface of the coupling part 225 formed in the lower plate 220 for detachable attachment between the plates, including the surfaces in contact with each other in structure.
  • the protrusions formed on the surface 220-1 of the lower plate 220 as described above may form a rough surface to increase the contact friction between the plates, and as the contact friction increases, the upper plate 210 and the lower plate. Cohesion between the 220 may be enhanced.
  • the upper plate 210 and the lower plate 220 may include coupling parts 212 and 225 for attaching and detaching each other.
  • the first coupling portion 212 of the upper plate 210 may be formed to protrude along the outer circumferential surface of the upper plate 210
  • the second coupling portion 225 of the lower plate 220 may have an upper portion. It may be formed in a recessed position at a position corresponding to the first coupling portion 212 of the plate (210). That is, the coupling parts 212 and 225 may be formed in a concave-convex shape to enable detachment between the plates.
  • the first coupling portion 212 of the upper plate 210 is inserted into the second coupling portion 225 of the lower plate 220 in a form extending to the left and right sides of the upper plate 210 (ex. Wing shape). Can be formed.
  • the lower plate 220 according to an embodiment of the present invention is connected to the circular chamber 222 to assist the outflow of the water, a plurality of possible to form a rear of the lower plate 220 Outlets 223 may be included.
  • the discharge path 223 is a passage for stably draining the stable water when the maximum capacity of the stable water of the implant body 200 is exceeded, and may be formed in various shapes according to the structure of the inner space of the upper plate 210. Can be.
  • the circular chamber 222 may be connected to the rear plate 220 so as to be spread out to the rear of the lower plate 220.
  • the lower plate 220 may be connected to the circular chamber 222.
  • the width of the discharge path 223 may be preferably a value of 1mm, the depth of the discharge path 223 may be a value of 0.2mm, but is not limited thereto.
  • the discharge path 223 is a plurality of in order to ensure that the stable water outflow even if one discharge path 223 is blocked or damaged due to fiber, etc. It can be formed as. Since the discharge path 223 is formed in the lower plate 220, when the upper plate 210 is smaller in size than the lower plate 220, a rear portion of the lower plate 220 that is not covered by the upper plate 210. In may be exposed to the outside.
  • FIG. 5 is a perspective view showing a state in which an implant device for an ocular disease according to an embodiment of the present invention is inserted into the eyeball 10.
  • a stereoscopic view of an enlarged view of an implant device inserted into the eyeball 10 according to an embodiment of the present invention may be confirmed.
  • the anterior chamber water may move through the tube 100 to be accommodated as the implant body 200, and when the upper plate 210 expands to exceed the maximum capacity, the discharge formed toward the rear of the implant body 200.
  • the warm water may be discharged through the furnace 223.
  • the implant device for eye diseases further includes a wick that can be inserted into the hollow of the tube 100 to adjust the amount of outflow water
  • the lower plate ( 220 may include a plurality of wick passages 224 connected to the circular chamber 222 to be formed in at least one direction of the front or side of the lower plate 220 to control or remove the wick.
  • the wick may be a surgical non-absorbable surgical suture, more preferably may be made of nylon or prolene material.
  • the wick could be located only inside the implant body, so the flow rate of the water should be adjusted by moving back and forth from one side (ie, the front of the eye 10) in which the water of the tube 100 flows in and out. This caused considerable difficulty in controlling the wick.
  • Implant apparatus to improve this difficulty by inserting the wick is inserted into one side of the inner water of the tube 100 to pass through the wick passage 224 through the circular chamber 222
  • the wick may be located outside (ie, conjunctival tissue or tenon tissue 4 of the eye 10) of the implant body 200, and the length of the wick may be easily adjusted or removed.
  • the wick passage 224 may be formed toward the front of the lower plate 220 so that the wick may be positioned outside the implant body 200, and may be formed in a lateral direction as well as in the front. It can be formed toward.
  • the width of the wick passage 224 is preferably a 0.3mm value, the depth may be a 0.2mm value, but is not limited thereto.
  • the wick according to an embodiment of the present invention may be exposed out of the eye via the wick passage 224 to facilitate control and removal by the clinician.
  • the patient may experience a severe foreign body feeling due to the wick passing through the inside of the eye and exposed to the outside.
  • the wick according to an embodiment of the present invention so that the diameter becomes smaller toward the distal end (ie, the end in the eye outward direction) with respect to a predetermined point on the proximal end (ie, the end in the eye inward direction).
  • the wick may be designed such that the diameter decreases gradually from the proximal end to the distal end.
  • the wick may be designed to have a constant diameter from the proximal end to the wick passage 224, and gradually decrease in diameter from a point passing through the wick passage 224. As such, if the diameter of the wick is designed to decrease gradually toward the direction of being exposed to the outside of the eyeball, it is possible to minimize the foreign body feeling felt by the patient inserted into the eyeball.
  • Figure 6 is a side view showing a discharge water discharge process of the implant device for eye diseases according to an embodiment of the present invention.
  • the tube 100 may be inserted into the implant body 200 to confirm a state before the receiving water is received.
  • the tube 100 may be easily inserted through detachment of the upper plate 210 and the lower plate 220, and may be inserted up to a hemispherical circular chamber 222 formed at the center of the lower plate 220.
  • the upper plate 210 may be formed in a thin thickness to facilitate expansion compared to the lower plate 220.
  • the discharge path 223 of the main body water is formed in the vertical width (ie depth) is smaller than the tube insertion path 221 so that the main body water can pass through the discharge path 223 if the maximum capacity of the main body water exceeds. Able to know.
  • the discharge path 223 should be formed smaller than the tube insertion path 221 in order to control the stable stable water.
  • the implant device is inserted into the eyeball 10, the appearance of the release water.
  • the back water flows in through the inlet of the tube 100 located in the front and is received in the circular chamber 222, and the top plate 210 may be expanded as the back water is received.
  • the aqueous solution may be discharged into the conjunctival tissue or tenon tissue through the discharge passage 223 formed toward the rear of the lower plate 220.
  • the intraocular pressure can be controlled through this process of effusion, effectively treating eye diseases including glaucoma.
  • the upper plate 210 may include a fixing part 211 having a well shape that may be formed at one point of the upper plate 210 for the procedure and fixing of the implant device. Can be. At this time, the diameter of the fixing portion 211 may be preferably 0.5mm value, but is not limited thereto.
  • the implantation device is more stably inserted into the fixing part 211 in the well type (ie cylindrical shape) in which the tissue is partially recessed during the fiberization process. It may be fixed within the eyeball 10.
  • the fixing part 211 is penetrated by the clinician and the through part is surgical It can be fixed with a thread or the like. That is, the fixing unit 211 may be formed in a well shape partially recessed in the plate so as to selectively penetrate the fixing unit 211 according to the implant device and the eye state or condition of the patient.
  • the fixing part 211 described above may be formed on the lower plate 220 as well as the upper plate 210.
  • a hole penetrated at a position of the upper plate 210 corresponding to the fixing part 211 formed in the lower plate 220 may be formed.
  • the hole through which the upper plate 210 is formed as described above is for the fixing part 211 of the lower plate 220 covered by the upper plate 210 to stably perform its function.
  • the depth of the fixing portion 211 including the depth of the hole may be a value of 0.5mm (ie the depth of the through hole is 0.2mm value, the depth of the fixing portion 211 of the lower plate 220 is 0.3mm value), It is not limited to this.

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Abstract

La présente invention concerne un dispositif d'implant pour maladie oculaire présentant des propriétés physiques et une forme facilement modifiables. Un dispositif d'implant selon un mode de réalisation de la présente invention comprend : un tube dans lequel une cavité est formée pour l'écoulement de l'humeur aqueuse et qui peut être inséré dans une plaque; et un corps d'implant comprenant une plaque supérieure prenant la forme d'un couvercle pour empêcher la mise à nu du tube, un trajet d'insertion de tube prenant la forme d'une goulotte dans laquelle le tube vient se loger, et une plaque inférieure reliée au trajet d'insertion de tube pour recevoir l'humeur aqueuse et comprenant une chambre circulaire formée en son centre, la plaque supérieure pouvant être fixée à la plaque inférieure ou détachée de celle-ci.
PCT/KR2019/011175 2018-08-30 2019-08-30 Dispositif d'implant pour maladie oculaire présentant des propriétés physiques et une forme facilement modifiables WO2020046054A1 (fr)

Applications Claiming Priority (2)

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KR20180102814 2018-08-30
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