Silica gel catheter production device
By designing a combination of operating table, guide components, and bending structure, the bending problem in silicone catheter production was solved, enabling flexible bending of medical silicone catheters and improving production efficiency and product applicability.
Patent Information
- Application Number
- CN202422290105.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Existing technologies make it difficult to achieve bending during the production of silicone catheters, resulting in medical silicone catheters failing to meet bending requirements in actual use.
A silicone tubing production device was designed, comprising an operating table, a guide assembly, and a bending structure. By combining the limiting block, the guide assembly, and the bending assembly, the device utilizes a motor-driven L-shaped limiting plate and a reciprocating screw to achieve precise bending of the silicone tubing, and combines this with a heating box to heat the bent area.
It enables flexible bending of silicone catheters, avoids friction damage to the outer wall of the catheter, and improves production efficiency and product applicability.
Smart Images

Figure CN223559057U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of silica gel catheter production, especially to a silica gel catheter production device. BACKGROUND
[0002] Medical silica gel tube is a kind of rubber tube for medical use. The minimum inner diameter can be made to 0.4 millimeter, and the reaction to human tissue is very small through biocompatibility test. After being implanted into human tissue, it will not cause foreign body reaction, and inflammation will not occur to the surrounding tissue. The tube can be placed in the human body for 20 days without abnormal reaction. The service life of the silica gel tube for peristaltic pump can be used continuously for more than 175 hours. Therefore, it is more and more widely used in medical and health care.
[0003] In the production of silica gel catheter, the silica gel catheter is extruded through the extruder. However, the silica gel catheter extruded by the extruder is a straight pipe body. The silica gel catheter for medical use needs to be bent in actual use. However, the existing silica gel catheter for medical use is difficult to be bent in production. UTILITY MODEL CONTENT
[0004] To solve the problem of the silica gel catheter being difficult to be bent in production in the background technology, the utility model provides the following technical scheme:
[0005] A silica gel catheter production device, comprising an operation table for supporting the silica gel catheter.
[0006] The upper end of the operation table is provided with a guide assembly for limiting the silica gel catheter, and the upper end of the guide assembly is provided with a bending structure for bending the silica gel catheter in cooperation with the guide assembly.
[0007] The guide assembly comprises a fixed disc, and the upper end of the fixed disc is provided with an angle scale.
[0008] The bending structure comprises a bending assembly for bending the silica gel catheter, one end of the bending assembly is provided with an L-shaped limiting plate for limiting the bending assembly, and the lower end of the L-shaped limiting plate is provided with a motor for controlling the rotation of the L-shaped limiting plate.
[0009] The bending assembly comprises a reciprocating screw, and one end of the L-shaped limiting plate is provided with a screw nut for moving the bending assembly in cooperation with the reciprocating screw.
[0010] Further, the upper end of the operation table is provided with a limiting block for limiting the silica gel catheter.
[0011] Further, the upper end of the guide assembly is provided with a limiting sliding groove, the middle part of the guide assembly is provided with a limiting column, and the top end of the limiting column is provided with a threaded hole.
[0012] Further, the outside of the limiting column is sleeved with a sleeve pipe facilitating the bending of the silica gel pipe, the upper end of the limiting column is provided with a limiting cover for limiting the sleeve pipe, and the middle part of the limiting cover is provided with a bolt for fixing the limiting cover in cooperation with the threaded hole.
[0013] Further, the lower end of the L-shaped limiting plate is provided with a pointer for indicating the bending angle in cooperation with the deflection angle scale, and the bottom of the L-shaped limiting plate is provided with a connecting block sliding in the slot cavity of the limiting sliding slot.
[0014] Further, the upper end of the motor is provided with a rotating shaft, and the upper end of the rotating shaft is provided with a limiting plate for driving the L-shaped limiting plate to rotate in cooperation with the connecting block.
[0015] Further, the bending assembly comprises a bending plate, the upper end of the bending plate is provided with a heating box, and the inside of the heating box is provided with a heating pipe for heating the bending part of the silica gel pipe.
[0016] Further, one side of the bending plate is provided with a limiting rod for limiting the bending plate in cooperation with the L-shaped limiting plate.
[0017] Compared with the prior art, the beneficial effects of the utility model are:
[0018] When the silica gel pipe is bent, the silica gel pipe is placed in the middle hole cavity of the limiting block, one end of the silica gel pipe is placed on the upper end of the L-shaped limiting plate, the bending plate is made close to one side of the silica gel pipe by rotating the reciprocating screw rod under the limiting of the screw nut, the motor is started, the rotating shaft drives the connecting block to slide in the slot cavity of the limiting sliding slot in cooperation with the limiting plate, and the L-shaped limiting plate and the bending assembly are driven to rotate, so that the silica gel pipe is bent, and the pointer indicates the bending angle in cooperation with the deflection angle scale. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.
[0020] The structures, proportions, sizes, etc. shown in the specification are merely used to cooperate with the content disclosed in the specification, for the skilled person to understand and read, and are not used to limit the implementation conditions of the utility model, so they do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model
[0021] Figure 1 It is a schematic view of the overall structure of the utility model;
[0022] Figure 2 It is a schematic view of the guide assembly of the utility model;
[0023] Figure 3 It is a schematic view of the bending structure of the utility model;
[0024] Figure 4 It is a schematic view of the bending assembly of the utility model.
[0025] In the drawings, the component names represented by each reference sign are listed as follows:
[0026] 10-silica gel catheter, 100-operation table, 110-limiting block;
[0027] 200-guide assembly, 210-fixed disc, 211-angle scale, 212-limiting sliding groove, 220-limiting column, 221-threaded hole, 230-sleeve, 240-limiting cover, 241-bolt;
[0028] 300-bending structure, 310-bending assembly, 311-bending plate, 312-heating box, 313-heating pipe, 314-reciprocating screw, 315-limiting rod, 320-L-shaped limiting plate, 321-screw nut, 322-needle, 323-connection block, 330-motor, 331-rotating shaft, 332-limiting plate. DETAILED DESCRIPTION
[0029] The embodiments of the utility model are described below by specific examples, and the skilled person can easily understand other advantages and effects of the utility model from the content disclosed in the specification. Obviously, the described examples are part of the embodiments of the utility model, not all. Based on the examples in the utility model, all other examples obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0030] The terms such as "upper", "lower", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear description, and are not intended to limit the scope of the utility model, and the change or adjustment of the relative relationship is also considered as the scope of the utility model without substantial change of the technical content.
[0031] Please refer to Figures 1-4 The utility model provides a silica gel catheter production device.
[0032] The upper end of the operation table 100 is fixedly installed with a limiting block 110 for limiting the silica gel catheter 10, and a hole cavity for placing the silica gel catheter 10 is formed in the middle part of the limiting block 110.
[0033] The upper end of the operation table 100 is installed with a guide assembly 200 for limiting the silica gel catheter 10, the guide assembly 200 comprises a fixed disc 210, and the fixed disc 210 is fixedly installed on the right upper end of the operation table 100. The upper end of the fixed disc 210 is fixedly installed with a bias angle scale 211, the upper end of the guide assembly 200 is provided with a limiting sliding groove 212, the middle part of the guide assembly 200 is fixedly installed with a limiting column 220, and a threaded hole 221 is formed in the middle part of the top end of the limiting column 220.
[0034] The outer part of the limiting column 220 is sleeved with a sleeve 230 for facilitating the bending of the silica gel catheter 10, so as to avoid the friction and damage of the outer wall of the silica gel catheter 10 when the silica gel catheter 10 is bent. The upper end of the limiting column 220 is installed with a limiting cover 240 for limiting the sleeve 230, the outer diameter of the limiting cover 240 is greater than the diameter of the middle hole cavity of the sleeve 230, the middle part of the limiting cover 240 is installed with a bolt 241 for fixing the limiting cover 240 in cooperation with the threaded hole 221, when the sleeve 230 is sleeved on the outer part of the limiting column 220, the limiting cover 240 is placed on the upper end of the limiting column 220, the bolt 241 is put into the hole cavity of the upper end of the threaded hole 221, and the bolt 241 is rotated, so that the limiting cover 240 limits the sleeve 230.
[0035] The upper end of the guide assembly 200 is installed with a bending structure 300 for bending the silica gel catheter 10 in cooperation with the guide assembly 200.
[0036] The bending structure 300 comprises a bending assembly 310 for bending the silica gel catheter 10, the bending assembly 310 comprises a bending plate 311, the bending plate 311 is an L-shaped plate body, comprising a horizontal plate and a vertical plate, a heating box 312 is installed on the upper end of the horizontal plate, the vertical plate is used for bending the silica gel catheter 10, the upper end of the bending plate 311 is fixedly installed with the heating box 312, and the inside of the heating box 312 is fixedly installed with a heating pipe 313 for heating the bending part of the silica gel catheter 10, so as to facilitate the bending of the silica gel catheter 10.
[0037] The bending assembly 310 comprises a reciprocating screw rod 314 movably mounted in the middle of the vertical plate of the bending plate 311, and two limiting rods 315 for limiting the bending plate 311 are fixedly mounted on one side of the vertical plate of the bending plate 311.
[0038] One end of the bending assembly 310 is provided with an L-shaped limiting plate 320 for limiting the bending assembly 310, and one end of the L-shaped limiting plate 320 is fixedly provided with a screw nut 321 for cooperating with the reciprocating screw rod 314 to control the movement of the bending assembly 310, so that the distance between the vertical plate of the bending assembly 310 and the sleeve 230 can be adjusted when the reciprocating screw rod 314 is rotated, thereby facilitating the bending of the silica gel catheter 10 with different diameters.
[0039] One end of the reciprocating screw rod 314 is fixedly provided with a knob for facilitating the rotation of the reciprocating screw rod 314, and the reciprocating screw rod 314 can also be rotated by using a hand wheel in the prior art.
[0040] The lower end of the L-shaped limiting plate 320 is fixedly provided with a pointer 322 for indicating the bending angle in cooperation with the deflection scale 211, and the bottom of the L-shaped limiting plate 320 is fixedly provided with a connecting block 323 which slides in the slot cavity of the limiting sliding groove 212.
[0041] The lower end of the L-shaped limiting plate 320 is provided with a motor 330 for controlling the rotation of the L-shaped limiting plate 320, the upper end of the motor 330 is provided with a rotating shaft 331, the upper end of the rotating shaft 331 is fixedly provided with a limiting plate 332 for driving the L-shaped limiting plate 320 to rotate in cooperation with the connecting block 323, and the connecting block 323 is fixedly mounted on one side of the limiting plate 332, and the motor 330 is mounted on the bottom of the operation table 100.
[0042] When the silica gel catheter 10 is bent, the silica gel catheter 10 is placed in the middle hole cavity of the limiting block 110, and one end of the silica gel catheter 10 is placed on the upper end of the L-shaped limiting plate 320, the bending plate 311 is moved close to one side of the silica gel catheter 10 under the limitation of the screw nut 321 by rotating the reciprocating screw rod 314, the motor 330 is started, the rotating shaft 331 drives the connecting block 323 to slide in the slot cavity of the limiting sliding groove 212 in cooperation with the limiting plate 332, thereby driving the L-shaped limiting plate 320 and the bending assembly 310 to rotate, so as to bend the silica gel catheter 10, and the pointer 322 indicates the bending angle in cooperation with the deflection scale 211.
[0043] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the range of protection required by the utility model.
Claims
1. A silica gel catheter production device, comprising an operating table (100) for supporting a silica gel catheter (10), characterized in that: an upper end of the operating table (100) is provided with a guide assembly (200) for limiting the silica gel catheter (10), and an upper end of the guide assembly (200) is provided with a bending structure (300) for bending the silica gel catheter (10) in cooperation with the guide assembly (200); the guide assembly (200) comprises a fixed disc (210), and an upper end of the fixed disc (210) is provided with a deflection angle scale (211); the bending structure (300) comprises a bending assembly (310) for bending the silica gel catheter (10), one end of the bending assembly (310) is provided with an L-shaped limiting plate (320) for limiting the bending assembly (310), and a lower end of the L-shaped limiting plate (320) is provided with a motor (330) for controlling rotation of the L-shaped limiting plate (320); the bending assembly (310) comprises a reciprocating lead screw (314), and one end of the L-shaped limiting plate (320) is provided with a lead screw nut (321) for controlling movement of the bending assembly (310) in cooperation with the reciprocating lead screw (314).
2. A device for producing a silicone tube according to claim 1, characterized in that: An upper end of the operating table (100) is provided with a limiting block (110) for limiting the silica gel catheter (10).
3. A device for producing a silicone tube according to claim 1, characterized in that: An upper end of the guide assembly (200) is provided with a limiting sliding groove (212), a middle part of the guide assembly (200) is provided with a limiting column (220), and a top middle part of the limiting column (220) is provided with a threaded hole (221).
4. A device for producing a silicone tube according to claim 3, characterized in that: An outer part of the limiting column (220) is provided with a sleeve (230) for facilitating bending of the silica gel catheter (10), an upper end of the limiting column (220) is provided with a limiting cap (240) for limiting the sleeve (230), a middle part of the limiting cap (240) is provided with a bolt (241) for fixing the limiting cap (240) in cooperation with the threaded hole (221).
5. A device for producing a silicone tube according to claim 3, characterized in that: A lower end of the L-shaped limiting plate (320) is provided with a pointer (322) for indicating a bending angle in cooperation with the deflection angle scale (211), a bottom part of the L-shaped limiting plate (320) is provided with a connecting block (323), and the connecting block (323) slides in a groove cavity of the limiting sliding groove (212).
6. A device for producing a silicone tube according to claim 5, characterized in that: An upper end of the motor (330) is provided with a rotating shaft (331), and a top end of the rotating shaft (331) is provided with a limiting plate (332) for driving the L-shaped limiting plate (320) to rotate in cooperation with the connecting block (323).
7. A device for producing a silicone tube according to claim 1, characterized in that: The bending assembly (310) comprises a bending plate (311), an upper end of the bending plate (311) is provided with a heating box (312), and an inner part of the heating box (312) is provided with a heating pipe (313) for heating a bending part of the silica gel catheter (10).
8. A device for producing a silicone tube according to claim 7, characterized in that: One side of the bending plate (311) is provided with a limiting rod (315) for limiting the bending plate (311) in cooperation with the L-shaped limiting plate (320).