Novel adjustable glaucoma drainage tube

Abstract

The novel adjustable glaucoma drainage tube comprises a glaucoma drainage tube body, the glaucoma drainage tube body comprises an outer sleeve body, a first inner arc-shaped plate and a second inner arc-shaped plate are arranged on the two sides of the interior of the outer sleeve body respectively, and a limiting sliding rod is integrally formed at the top end of the second inner arc-shaped plate; the top end of the first inner arc-shaped plate and the top end of the second inner arc-shaped plate slide in a limited mode through a limiting sliding rod. By designing a convenient reinforcing mechanism, after a drainage tube body is adjusted and fixedly mounted, a handheld button is held by hand to rotationally mount an external thread extrusion ring at the end of the drainage tube body and at the joint of a first inner arc-shaped plate and a second inner arc-shaped plate through an internal thread structure, and when the external thread extrusion ring is rotated, an internal inclined plane extrudes the outer surface of an external arc-shaped inclined plane ring; and when the external thread extrusion ring is rotated to the bottom end, the end part of the drainage tube body is extruded, reinforced and mounted, so that the drainage tube body is reinforced and used after being mounted and adjusted, and the use is more stable.

Description

Technical Field

[0001] This utility model belongs to the technical field of glaucoma drainage tubes, specifically relating to a novel adjustable glaucoma drainage tube. Background Technology

[0002] Glaucoma is an eye disease characterized by intermittent or persistent elevation of intraocular pressure. Sustained high intraocular pressure can damage various tissues of the eye and impair visual function. Therefore, timely treatment is necessary to lower intraocular pressure. Clinically, glaucoma is typically treated with trabeculectomy, glaucoma drainage valves, and glaucoma drainage tubes. Among these, the drainage tube is a crucial device used in glaucoma treatment. Clinicians desire a device that is easy to adjust and replace, convenient to assemble and disassemble, and easily secured for stable use. Furthermore, they aim to enhance the stability of the drainage tube after adjustment and installation.

[0003] According to the adjustable glaucoma drainage tube disclosed in the authorized patent application No. 202120434745.4, the existing glaucoma drainage tubes, after adjustment and replacement, are directly snapped together and then reinstalled by elastic compression. This is not convenient for reinforcing the installation after adjustment and replacement of the drainage tube, resulting in instability of the glaucoma drainage tube when used after adjustment, affecting the reinforcement stability of the glaucoma drainage tube when used after replacement and adjustment. Therefore, this utility model proposes a new type of adjustable glaucoma drainage tube. Utility Model Content

[0004] The purpose of this invention is to provide a novel adjustable glaucoma drainage tube to solve the problem mentioned in the background art, which is that after adjusting and replacing the drainage tube, directly snapping it together and then elastically squeezing it back into place is not convenient for reinforcing the drainage tube after adjustment and replacement, resulting in instability of the glaucoma drainage tube when used after adjustment, and affecting the reinforcement stability of the glaucoma drainage tube when used after replacement and adjustment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A novel adjustable glaucoma drainage tube, comprising a glaucoma drainage tube body, the glaucoma drainage tube body including an outer sleeve, an inner arc-shaped plate one and an inner arc-shaped plate two respectively provided on the inner sides of the outer sleeve, a limiting slide rod integrally formed at the top of the inner arc-shaped plate two, the top of the inner arc-shaped plate one and the top of the inner arc-shaped plate two being limited to slide by the limiting slide rod, a drainage tube body elastically provided inside the outer sleeve at the connection between the inner arc-shaped plate one and the inner arc-shaped plate two, a drainage device provided at the bottom end of the drainage tube body, and the glaucoma drainage tube body also being provided with:

[0006] Convenient reinforcing mechanism, and the convenient reinforcing mechanism comprises rotating connecting assemblies arranged at the inner surface connecting portions of the inner arc-shaped plate one and the inner arc-shaped plate two at the two ends of the drainage tube body, and the inner surface of the rotating connecting assembly is provided with extrusion reinforcing assemblies at the connecting portions of the end portions of the drainage tube body.

[0007] Disassembling and connecting mechanism, and the disassembling and connecting mechanism comprises rotating mounting assemblies arranged at the connecting portions of the bottom end of the drainage tube body and the upper surface of the drainage device, the inner bottom end of the rotating mounting assembly is provided with elastic reinforcing assemblies, and the two sides of the elastic reinforcing assemblies are provided with limiting assemblies.

[0008] Preferably, the top end of the inner arc-shaped plate one is fixedly installed with a reset spring at the connecting portion of the inner surface top end of the inner arc-shaped plate two, the outer surfaces of the inner arc-shaped plate one and the inner arc-shaped plate two are integrally and equidistantly provided with arc-shaped clamping blocks, the inner surfaces of the outer sleeve bodies are provided with arc-shaped clamping grooves on the two sides, and the inner portions of the arc-shaped clamping blocks and the arc-shaped clamping grooves are clamped.

[0009] Preferably, the rotating connecting assembly comprises inner thread structures arranged in the inner surfaces of the inner arc-shaped plate one and the inner arc-shaped plate two, the two ends of the drainage tube body are provided with outer thread extrusion rings, the outer surfaces of the outer thread extrusion rings are threadedly and rotatably connected with the inner thread structures, and the upper surfaces of the outer thread extrusion rings are provided with two hand-held knobs.

[0010] Preferably, the extrusion reinforcing assembly comprises an inner inclined surface arranged at the edge of the inner surface of the outer thread extrusion ring, the two ends of the drainage tube body are fixedly provided with closed rings through glue liquid adhesion, and the outer surfaces of the closed rings are integrally and formed with outer arc-shaped inclined surface rings.

[0011] Preferably, the rotating mounting assembly comprises an outer thread ring arranged at the bottom end of the drainage tube body, the upper surface of the drainage device is integrally and formed with an inner thread ring, and the outer surface of the outer thread ring is threadedly and rotatably connected with the inner surface of the inner thread ring.

[0012] Preferably, the elastic reinforcing assembly comprises a limiting movement groove arranged at the edge of the inner bottom end of the inner thread ring, the inner portion of the limiting movement groove is limited by an arc-shaped clamping head, the end portion of the arc-shaped clamping head is provided with an elastic block at the connecting portion with the inner portion of the limiting movement groove, the outer surface of the outer thread ring is provided with an arc-shaped clamping hole, and the end portion of the arc-shaped clamping head is tightly clamped in the inner portion of the arc-shaped clamping hole.

[0013] Preferably, the limiting assembly comprises limiting grooves arranged at the two sides of the inner portion of the limiting movement groove, the end portions of the arc-shaped clamping heads are integrally and formed with limiting blocks, and the limiting blocks are limitingly and slidably connected with the inner portions of the limiting grooves.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] By designing the convenient reinforcing mechanism, when the drainage tube body is adjusted and fixedly installed, the outer thread extrusion ring is rotated and installed at the connecting position of the inner arc-shaped plate one and the inner arc-shaped plate two at the end of the drainage tube body through the inner thread structure, the inner inclined surface extrudes the outer surface of the outer arc-shaped inclined surface ring when the outer thread extrusion ring is rotated, and the end of the drainage tube body is extruded and fixedly installed when the outer thread extrusion ring is rotated to the bottom end, so that the drainage tube body is reinforced after being installed and adjusted, use is more stable, operation is not easily affected, safe operation is realized, and the reinforcing stability of the glaucoma drainage tube body during installation and use after adjustment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the utility model;

[0017] Figure 2 It is a sectional structure schematic view of the utility model;

[0018] Figure 3 It is a sectional structure schematic view of the utility model; Figure 1 It is an enlarged structure schematic view of part A of the utility model;

[0019] Figure 4 It is an enlarged structure schematic view of part A of the utility model; Figure 2 It is an enlarged sectional structure schematic view of part B of the utility model;

[0020] Figure 5 It is an enlarged sectional structure schematic view of part C of the utility model; Figure 2 It is an enlarged sectional structure schematic view of part C of the utility model;

[0021] Figure 6 It is an enlarged sectional structure schematic view of part D of the utility model; Figure 5 It is an enlarged sectional structure schematic view of part D of the utility model;

[0022] In the drawing: 100, glaucoma drainage tube body; 101, outer sleeve body; 1011, arc-shaped clamping block; 1012, arc-shaped clamping groove; 102, inner arc-shaped plate one; 103, inner arc-shaped plate two; 104, limiting sliding rod; 105, drainage tube body; 1051, outer thread extrusion ring; 1052, handheld knob; 1053, inner thread structure; 1054, inner inclined surface; 1055, outer arc-shaped inclined surface ring; 1056, closed ring; 106, drainage device; 1061, inner thread ring; 1062, outer thread ring; 1063, limiting moving groove; 1064, elastic block; 1065, arc-shaped clamping head; 1066, arc-shaped clamping hole; 1067, limiting groove; 1068, limiting block; 107, return spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0024] Please refer to Figures 1 to 6 The utility model provides a technical scheme: a novel adjustable glaucoma drainage tube, including glaucoma drainage tube main part 100, glaucoma drainage tube main part 100 includes outer sleeve body 101, the inside both sides of outer sleeve body 101 are provided with inner arc plate one 102 and inner arc plate two 103, the top of inner arc plate two 103 is integrally formed with limit slide rod 104, the top of inner arc plate one 102 and the top of inner arc plate two 103 are limited to slide through limit slide rod 104, according to the elastic compression of the drainage tube body 105 in the inside of outer sleeve body 101 at the inner surface of inner arc plate one 102 and inner arc plate two 103 of use, press the end of inner arc plate one 102 and inner arc plate two 103 drive limit slide rod 104 limit sliding, simultaneously reset spring 107 changes shape and separates arc clamping block 1011 from the inside of arc clamping groove 1012 to adjust outer sleeve body 101 to the position of use, the inside of outer sleeve body 101 at the junction of inner arc plate one 102 and inner arc plate two 103 is elastically provided with drainage tube body 105, and the bottom of drainage tube body 105 is provided with drainage device 106;

[0025] Reset spring 107 is fixedly installed at the junction of the top of inner arc plate one 102 and the inner surface top of inner arc plate two 103, arc clamping block 1011 is integrally and equidistantly arranged on the outer surface of inner arc plate one 102 and inner arc plate two 103, arc clamping groove 1012 is arranged on the inner surface of outer sleeve body 101, arc clamping block 1011 is clamped in the inside of arc clamping groove 1012, reset through reset spring 107 after adjustment, arc clamping block 1011 is clamped in the inside of arc clamping groove 1012, and drainage tube body 105 and outer sleeve body 101 are fixed at the position of use, that is, the use of glaucoma drainage tube main part 100 after installation can be completed, and the glaucoma drainage tube main part 100 is further provided with:

[0026] The convenient reinforcing mechanism is arranged at the rotating connecting assembly at the two ends of the inner arc-shaped plate one 102 and the inner arc-shaped plate two 103, and the inner surface of the rotating connecting assembly is connected with the end of the drainage tube body 105. The extrusion reinforcing assembly is arranged at the connecting position of the inner surface of the rotating connecting assembly and the end of the drainage tube body 105. The glaucoma drainage tube body 100 can be reinforced and installed for use by the convenient reinforcing mechanism after adjustment, and the use is more stable, the operation is not easily affected, the safety operation is improved, and the reinforcement stability of the glaucoma drainage tube body 100 after adjustment is improved.

[0027] In order to facilitate the rotation and extrusion reinforcement of the drainage tube body 105 through the rotating connecting assembly, preferably, the rotating connecting assembly comprises an inner thread structure 1053 arranged in the inner surface of the inner arc-shaped plate one 102 and the inner arc-shaped plate two 103. The two ends of the drainage tube body 105 are provided with an outer thread extrusion ring 1051. The outer thread extrusion ring 1051 is threadedly connected with the outer surface of the inner thread structure 1053. The upper surface of the outer thread extrusion ring 1051 is provided with two hand knobs 1052. The hand knobs 1052 are convenient for being pinched to drive the rotation of the outer thread extrusion ring 1051. The outer thread extrusion ring 1051 is rotated through the inner thread structure 1053 to extrude and fix the outer thread extrusion ring 1051.

[0028] In order to facilitate the reinforcement and installation of the drainage tube body 105 after adjustment and replacement through the extrusion reinforcing assembly, preferably, the extrusion reinforcing assembly comprises an inner inclined surface 1054 arranged at the edge of the inner surface of the outer thread extrusion ring 1051. The two ends of the drainage tube body 105 are fixed with a closed ring 1056 through glue. The outer surface of the closed ring 1056 is integrally formed with an outer arc-shaped inclined surface ring 1055. After the drainage tube body 105 is replaced and adjusted, the outer thread extrusion ring 1051 is rotated to extrude the outer surface of the outer arc-shaped inclined surface ring 1055 through the inner inclined surface 1054 to extrude and fix the end of the drainage tube body 105, so that the drainage tube body 105 can be fixed and installed stably after adjustment.

[0029] The dismounting and connecting mechanism is arranged at the connecting position of the bottom end of the drainage tube body 105 and the upper surface of the drainage device 106. The inner bottom end of the rotating installation assembly is provided with an elastic reinforcing assembly. The two sides of the elastic reinforcing assembly are provided with limiting assemblies. The glaucoma drainage tube body 100 can be dismounted and replaced by the dismounting and connecting mechanism when the drainage device 106 needs to be dismounted and replaced after use, so that the drainage device 106 can be dismounted and replaced conveniently, and the convenience of dismounting and replacing the drainage device 106 of the glaucoma drainage tube body 100 during installation and use is improved.

[0030] In order to facilitate the quick rotation and installation of the drainage device 106 through the rotation installation assembly, and vice versa, facilitate the quick rotation and replacement when replacing, in the embodiment, preferably, the rotation installation assembly comprises an external threaded ring 1062 arranged at the bottom end of the drainage tube body 105, and an internal threaded ring 1061 integrally formed on the upper surface of the drainage device 106. The outer surface of the external threaded ring 1062 is in threaded rotation connection with the inner surface of the internal threaded ring 1061. The rotation between the external threaded ring 1062 and the internal threaded ring 1061 fixes and installs the drainage device 106, and vice versa, facilitates the quick rotation and replacement when replacing.

[0031] In order to facilitate the rotation and installation of the internal threaded ring 1061 and the external threaded ring 1062 through the elastic reinforcing assembly, in the embodiment, preferably, the elastic reinforcing assembly comprises a limiting movement groove 1063 opened at the inner bottom edge of the internal threaded ring 1061. The limiting movement groove 1063 is limited by an arc-shaped clamping head 1065 inside. The end of the arc-shaped clamping head 1065 is provided with an elastic block 1064 at the connection between the inside of the limiting movement groove 1063. The arc-shaped clamping head 1065 is elastically connected by the elastic block 1064 inside the limiting movement groove 1063, which facilitates elastic clamping and installation. The outer surface of the external threaded ring 1062 is provided with an arc-shaped clamping hole 1066. The end of the arc-shaped clamping head 1065 is tightly clamped with the inside of the arc-shaped clamping hole 1066, until the arc-shaped clamping head 1065 is elastically clamped in the inside of the arc-shaped clamping hole 1066 to rotate and install the internal threaded ring 1061 after reinforcement.

[0032] In order to facilitate the stable sliding and reinforcement installation of the arc-shaped clamping head 1065 through the limiting assembly, in the embodiment, preferably, the limiting assembly comprises a limiting groove 1067 opened at both sides of the limiting movement groove 1063. The end of the arc-shaped clamping head 1065 is integrally formed with a limiting block 1068. The limiting block 1068 is in limiting sliding connection with the inside of the limiting groove 1067. When the arc-shaped clamping head 1065 is elastically moved, the limiting block 1068 is stably controlled in the inside of the limiting groove 1067, which facilitates stable and reinforced installation.

[0033] The working principle and use process of the utility model are as follows: the novel adjustable glaucoma drainage tube, when in use, first, according to the elastic compression of the drainage tube body 105 in the inside of the outer sleeve body 101 between the inner arc plate one 102 and the inner arc plate two 103, press the end of the inner arc plate one 102 and the inner arc plate two 103 to drive the limiting slide rod 104 to limit sliding, at the same time, the reset spring 107 is deformed to separate the arc-shaped clamping block 1011 from the inside of the arc-shaped clamping groove 1012 to adjust the outer sleeve body 101 to the position of use, after adjustment, the reset spring 107 is deformed to reset the inner arc plate one 102 and the inner arc plate two 103, the arc-shaped clamping block 1011 is clamped in the inside of the arc-shaped clamping groove 1012 to fix the drainage tube body 105 and the outer sleeve body 101 at the position of use, and the installation of the glaucoma drainage tube main body 100 can be completed after use;

[0034] Then when the drainage tube body 105 is adjusted and fixedly installed, the outer thread extrusion ring 1051 can be rotated and installed at the end of the drainage tube body 105 at the connection between the inner arc plate one 102 and the inner arc plate two 103 through the inner thread structure 1053 by holding the hand-held knob 1052, when the outer thread extrusion ring 1051 is rotated, the inner inclined surface 1054 extrudes the outer surface of the outer arc inclined surface ring 1055, until the end of the drainage tube body 105 is extruded and reinforced by the rotation of the outer thread extrusion ring 1051 to the bottom end, so that the drainage tube body 105 is reinforced after installation and adjustment, the use is more stable, the operation is not easily affected, the safety operation is improved, and the reinforcement stability of the glaucoma drainage tube main body 100 during installation and use after adjustment is improved.

[0035] Finally, before the glaucoma drainage tube main body 100 is used, the outer thread ring 1062 and the inner thread ring 1061 are rotated to rotate and fix the drainage device 106 at the bottom end of the drainage tube body 105, until the outer thread ring 1062 is rotated and embedded in the inside of the inner thread ring 1061 close to the bottom end, the arc-shaped clamping head 1065 is extruded and retracted inward, at the same time, the elastic block 1064 is deformed, until the outer thread ring 1062 is rotated to the bottom end, the arc-shaped clamping head 1065 corresponds to the inside of the arc-shaped clamping hole 1066, the elastic block 1064 is deformed to elastically move the arc-shaped clamping head 1065, when the arc-shaped clamping head 1065 elastically moves, the limiting block 1068 is limited and slides in the inside of the limiting groove 1067, so that the arc-shaped clamping head 1065 is stably elastically clamped in the inside of the arc-shaped clamping hole 1066 to reinforce the outer thread ring 1062, so that the drainage device 106 is reinforced and installed for use, and when the drainage device 106 is disassembled and replaced after use, the arc-shaped clamping head 1065 is directly rotated and separated from the inside of the arc-shaped clamping hole 1066 to be disassembled, compared with the existing screw fixing and disassembly, the disassembly is simple and convenient, and the convenience of disassembly and replacement of the drainage device 106 of the glaucoma drainage tube main body 100 during installation and use is improved.

[0036] Although the embodiments of the present application have been shown and described (see the detailed description above), it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel adjustable glaucoma drainage tube, comprising a glaucoma drainage tube body (100), the glaucoma drainage tube body (100) comprising an outer sleeve body (101), wherein an inner arc-shaped plate one (102) and an inner arc-shaped plate two (103) are respectively provided on both sides inside the outer sleeve body (101), a limiting slide rod (104) is integrally formed at the top of the inner arc-shaped plate two (103), the top of the inner arc-shaped plate one (102) and the top of the inner arc-shaped plate two (103) are limited to sliding by the limiting slide rod (104), a drainage tube body (105) is elastically provided inside the outer sleeve body (101) at the connection between the inner arc-shaped plate one (102) and the inner arc-shaped plate two (103), and a drainage device (106) is provided at the bottom end of the drainage tube body (105), characterized in that: The glaucoma drainage tube body (100) is also provided with: The convenient reinforcement mechanism includes a rotary connection assembly located at both ends of the drainage tube body (105) at the connection between the inner surfaces of the inner arc plate one (102) and the inner arc plate two (103). The inner surface of the rotary connection assembly is provided with a compression reinforcement assembly at the connection between the end of the drainage tube body (105). The disassembly and assembly connection mechanism includes a rotating mounting component located at the connection between the bottom end of the drainage tube body (105) and the upper surface of the drainage device (106). The bottom end of the rotating mounting component is provided with an elastic reinforcing component, and the two sides of the elastic reinforcing component are provided with limiting components.

2. The novel adjustable glaucoma drainage tube according to claim 1, characterized in that: A return spring (107) is fixedly installed at the connection between the top end of the inner arc plate one (102) and the top end of the inner surface of the inner arc plate two (103). Arc-shaped locking blocks (1011) are integrally and equidistantly arranged on the outer surfaces of the inner arc plate one (102) and the inner arc plate two (103). Arc-shaped locking grooves (1012) are provided on both sides of the inner surface of the outer sleeve body (101). The arc-shaped locking blocks (1011) and the arc-shaped locking grooves (1012) are engaged internally.

3. The novel adjustable glaucoma drainage tube according to claim 1, characterized in that: The rotary connection assembly includes an internal thread structure (1053) formed on the inner surfaces of the first inner arc plate (102) and the second inner arc plate (103). The two ends of the drainage tube body (105) are provided with external thread compression rings (1051). The external thread compression rings (1051) are rotatably connected to the outer surface of the internal thread structure (1053). The upper surface of the external thread compression rings (1051) is provided with two hand-held buttons (1052).

4. A novel adjustable glaucoma drainage tube according to claim 3, characterized in that: The extrusion reinforcement assembly includes an inner inclined surface (1054) at the edge of the inner surface of the external threaded extrusion ring (1051). Both ends of the drainage tube body (105) are fixed with a closed ring (1056) by adhesive. The outer surface of the closed ring (1056) is integrally formed with an outer arc-shaped inclined ring (1055).

5. A novel adjustable glaucoma drainage tube according to claim 1, characterized in that: The rotating mounting assembly includes an external threaded ring (1062) disposed at the bottom end of the drainage tube body (105), and an internal threaded ring (1061) integrally formed on the upper surface of the drainage device (106). The outer surface of the external threaded ring (1062) is rotatably connected to the inner surface of the internal threaded ring (1061) by threads.

6. A novel adjustable glaucoma drainage tube according to claim 5, characterized in that: The elastic reinforcement component includes a limiting moving groove (1063) opened at the bottom edge of the inner threaded ring (1061). An arc-shaped locking head (1065) is limited inside the limiting moving groove (1063). An elastic block (1064) is provided at the connection between the end of the arc-shaped locking head (1065) and the inside of the limiting moving groove (1063). An arc-shaped locking hole (1066) is opened on the outer surface of the outer threaded ring (1062). The end of the arc-shaped locking head (1065) is tightly pressed and engaged with the inside of the arc-shaped locking hole (1066).

7. A novel adjustable glaucoma drainage tube according to claim 6, characterized in that: The limiting component includes limiting grooves (1067) formed on both sides inside the limiting moving groove (1063), and limiting blocks (1068) integrally formed on both sides of the end of the arc-shaped card head (1065). The limiting blocks (1068) are slidably connected to the inside of the limiting grooves (1067).

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