Catheter sheath forming device
By designing the rotating and extruded components of the catheter sheath forming device, the problems of insufficient accuracy and inefficiency in traditional manufacturing methods are solved, and high-precision and high-efficiency catheter sheath forming is achieved, which expands its application range and reduces medical risks.
Patent Information
- Application Number
- CN202421591549.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-08
AI Technical Summary
Traditional catheter sheath manufacturing methods have problems of insufficient accuracy, inefficiency in production and limited material selection, limiting the application range of catheter sheath and increasing the risk of medical operations.
A catheter sheath forming device is designed, including a rotating assembly and an extrusion assembly. The rotating rod and gear are driven by a motor to rotate the roller and the ring block, and the oblique blocks are driven to squeeze each other to form a material of a suitable shape. At the same time, the material is clamped by the funnel cylinder and the extrusion cylinder.
It improves the extrusion effect of the catheter sheath and the stability of the material, enhances the accuracy and production efficiency of the catheter sheath, expands its application range, and reduces the risks of medical operations.
Smart Images
Figure CN222858575U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a catheter sheath molding device. Background Art
[0002] A catheter sheath is a device used to guide a catheter into the patient's body. It is usually made of soft materials such as silicone, polyurethane, etc., and has good elasticity and durability. In medical operations, the catheter sheath plays a vital role, such as reducing trauma to surrounding tissues, reducing patient discomfort, and reducing friction when the catheter moves in the patient's body, thereby reducing the risk of infection in the patient.
[0003] A catheter sheath molding device originated from the urgent need for high-precision and high-efficiency medical devices in the medical field. In early medical practice, doctors faced many challenges, one of which was how to safely and accurately guide the catheter into the patient's blood vessels or body cavities. The catheter sheath is a key device in this process, and its performance and quality directly affect the success of the medical operation.
[0004] With the continuous advancement of medical technology, traditional catheter sheath manufacturing methods have gradually exposed many problems, such as insufficient precision, low production efficiency, and limited material selection. These problems not only limit the application scope of catheter sheaths, but also increase the risks of medical operations. In view of this, we proposed a catheter sheath molding device. Utility Model Content
[0005] The purpose of the utility model is to provide a catheter sheath molding device to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a catheter sheath molding device, comprising a body, a controller is fixedly installed on the outside of the body, a support cover is fixedly installed on the outside of the body, a support plate is fixedly installed on the outside of the support cover, a baffle is fixedly installed on the outside of the support cover, a rotating assembly and an extrusion assembly are arranged on the outside of the body, and the rotating assembly comprises:
[0007] The motor is fixedly installed inside the body, one end of the rotating rod is fixedly installed on the output end of the motor, the other end of the rotating rod is rotatably installed inside the body, a support block is fixedly installed on the outside of the body, a gear is fixedly installed on the outside of the rotating rod, and a round block is fixedly installed on the outside of the support plate;
[0008] Roller, a roller is rotatably mounted on the outside of the round block, the roller is slidably fitted on the baffle, an opening is opened on the outside of the roller, a large cylinder is fixedly mounted inside the round block, one end of a large spring is fixedly mounted inside the large cylinder, one end of a large cylinder is fixedly mounted on the other end of the large spring, and a block is fixedly mounted on the other end of the large cylinder;
[0009] A slider is fixedly installed on the outside of the block, a circular ring block is fixedly installed inside the drum, a long column is rotatably installed inside the circular ring block, one end of the slider slides and fits the inside of the circular ring block, and an inclined pressure block is fixedly installed on the other end of the slider.
[0010] Preferably, the baffles are provided in multiple groups, and the multiple groups of baffles are mirrored at the left and right ends of the machine body with the vertical midline in the left and right directions of the machine body as the mirror axis.
[0011] Preferably, two groups of the support plates and the round blocks are provided, and the multiple groups of the support plates and the round blocks are mirrored at the left and right ends of the drum with the vertical center line in the left and right directions of the drum as the mirror axis.
[0012] Preferably, the openings, large cylinders, large springs, large columns, blocks, sliders, long columns and inclined pressure blocks are provided in multiple groups, and the multiple groups of openings, large cylinders, large springs, large columns, blocks, sliders, long columns and inclined pressure blocks are arranged in a circular array with equal spacing around the center of the circular cross-section of the drum as the center of the array, and the gears are meshed with the multiple groups of openings.
[0013] Preferably, the extrusion assembly includes a funnel tube, a funnel tube is fixedly installed on the outside of one group of round blocks, a long rod is fixedly installed inside the other group of round blocks, a small cylinder is fixedly installed inside the round block, one end of a small spring is fixedly installed inside the small cylinder, one end of a small cylinder is fixedly installed on the other end of the small spring, an extrusion tube is fixedly installed on the other end of the small cylinder, and the outer diameter of the extrusion tube is smaller than the inner diameter of the outer opening of the round block.
[0014] Preferably, the small cylinders, small springs, small columns and extrusion cylinders are arranged in multiple groups, and the multiple groups of small cylinders, small springs, small columns and extrusion cylinders are mirrored inside the round block with the vertical center line of the front-to-back direction of the support plate as the mirror axis.
[0015] Compared with the prior art, the utility model provides a catheter sheath molding device, which has the following beneficial effects:
[0016] 1. In order to make the catheter sheath forming device have a better extrusion effect, a rotating component is provided. The component cooperates with the controller to start the motor, so that the rotating rod starts to rotate, the gear starts to rotate, and the roller starts to rotate, thereby driving the circular ring block to rotate. At the same time, the slider is fixed by a large cylinder, a large spring, a large column, a square and a slider, so that the long column is driven to rotate while the circular ring block rotates, thereby pushing multiple groups of oblique pressure blocks to extrude each other.
[0017] 2. In order to make the material have better stability, the catheter sheath forming device is provided with an extrusion assembly. The assembly is first composed of a funnel tube, a long rod, a small cylinder, a small spring, a small cylinder and an extrusion tube. Secondly, the small spring is used to extrude the small cylinder to push the two groups of extrusion tubes to extrude each other, and clamp the material after it enters. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the right side of a structure of the utility model as a whole;
[0019] Figure 2 It is a schematic diagram of a top view and cross-section of a part of the structure of the utility model;
[0020] Figure 3 It is a schematic diagram of the left side top view of the structure of the utility model;
[0021] Figure 4 It is a right side sectional schematic diagram of the structure of the utility model;
[0022] Figure 5 It is a schematic top view of the right side of the partial structure of the utility model;
[0023] Figure 6 It is a schematic diagram of the right side of the structure of the utility model;
[0024] Figure 7 For this utility model Figure 6 A schematic diagram of the enlarged structure of the middle A area;
[0025] Figure 8 It is a schematic cross-sectional view of the structure of the utility model;
[0026] Fig. 9 For this utility model Figure 8 Schematic diagram of the enlarged structure of the middle B area;
[0027] Fig.10 It is a schematic cross-sectional view of the structure of the utility model from the right side;
[0028] Fig.11 For this utility model Fig.10 Schematic diagram of the enlarged structure of the middle C area;
[0029] Fig.12 It is a right side oblique sectional schematic diagram of the structure of the utility model.
[0030] In the figure: 1. body; 2. controller; 3. support cover; 4. support plate; 5. rotating assembly; 51. motor; 52. support block; 53. rotating rod; 54. gear; 55. round block; 56. roller; 57. opening; 58. large cylinder; 59. large spring; 510. large cylinder; 511. square; 512. slider; 513. circular ring block; 514. long column; 515. oblique pressure block; 6. extrusion assembly; 61. funnel tube; 62. long rod; 63. small cylinder; 64. small spring; 65. small cylinder; 66. extrusion tube; 7. baffle. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] See also Figure 1-12 The utility model provides a technical solution: a catheter sheath molding device, including a body 1, a controller 2 is fixedly installed on the outside of the body 1, a support cover 3 is fixedly installed on the outside of the body 1, a support plate 4 is fixedly installed on the outside of the support cover 3, a baffle 7 is fixedly installed on the outside of the support cover 3, and a rotating component 5 and an extrusion component 6 are arranged on the outside of the body 1.
[0033] In one embodiment of the utility model, the rotating assembly 5 includes a motor 51, the motor 51 is fixedly installed inside the body 1, one end of a rotating rod 53 is fixedly installed at the output end of the motor 51, and the other end of the rotating rod 53 is rotatably installed inside the body 1, a support block 52 is fixedly installed outside the body 1, a gear 54 is fixedly installed outside the rotating rod 53, a round block 55 is fixedly installed outside the support plate 4, a roller 56 is rotatably installed outside the round block 55, the roller 56 is slidably fitted on the baffle 7, an opening 57 is opened on the outside of the roller 56, a large cylinder 58 is fixedly installed inside the round block 55, and a large cylinder 58 is fixedly installed inside One end of the large spring 59 and the other end of the large spring 59 are fixedly installed with one end of the large cylinder 510, and the other end of the large cylinder 510 is fixedly installed with a block 511, and a slider 512 is fixedly installed on the outside of the block 511. A circular ring block 513 is fixedly installed inside the drum 56, and a long column 514 is rotatably installed inside the circular ring block 513. One end of the slider 512 slides and fits the inside of the circular ring block 513, and the other end of the slider 512 is fixedly installed with an oblique pressure block 515. When in use, the material is inserted into the long rod 62, so as to cooperate with the controller 2 to start the motor 51, so that the rotating rod 53 starts to rotate, so that the gear 54 starts to rotate. The roller 56 starts to rotate, thereby driving the annular block 513 to rotate. At the same time, the large cylinder 58, the large spring 59, the large column 510, the block 511 and the slider 512 fix the slider 512, so that the long column 514 rotates while the annular block 513 rotates, thereby pushing the multiple groups of oblique pressure blocks 515 to squeeze each other, so that the materials are squeezed into a suitable shape through the special shapes inside the multiple groups of oblique pressure blocks 515. Multiple groups of baffles 7 are provided, and the multiple groups of baffles 7 are mirrored with the vertical midline of the left and right directions of the machine body 1 as the mirror axis, and the mirror images are set at the left and right ends of the machine body 1. The support plate 4 and the annular block 55 is provided with two groups, and multiple groups of support plates 4 and blocks 55 take the vertical center line of the left and right directions of the roller 56 as the mirror axis, and the mirror is set at the left and right ends of the roller 56. There are multiple groups of openings 57, large cylinders 58, large springs 59, large columns 510, blocks 511, sliders 512, long columns 514 and oblique pressure blocks 515, and multiple groups of openings 57, large cylinders 58, large springs 59, large columns 510, blocks 511, sliders 512, long columns 514 and oblique pressure blocks 515 are arranged in a circular array with equal spacing with the center of the circular cross-section of the roller 56 as the center of the array, and the gears 54 are engaged with the multiple groups of openings 57.
[0034] In one embodiment of the utility model, the extrusion assembly 6 includes a funnel tube 61, a group of round blocks 55 are fixedly installed with the funnel tube 61 on the outside, and another group of round blocks 55 are fixedly installed with a long rod 62 inside. A small cylinder 63 is fixedly installed inside the round block 55, and one end of a small spring 64 is fixedly installed inside the small cylinder 63. One end of a small cylinder 65 is fixedly installed on the other end of the small spring 64, and an extrusion tube 66 is fixedly installed on the other end of the small cylinder 65. The outer diameter of the extrusion tube 66 is smaller than the inner diameter of the outer opening 57 of the round block 55. At the same time, the small spring 64 squeezes the small cylinder 65 to push the two groups of extrusion tubes 66 to squeeze each other, and clamp the material after it enters, so that the material is more stable. There are multiple groups of small cylinders 63, small springs 64, small cylinders 65 and extrusion tubes 66, and the multiple groups of small cylinders 63, small springs 64, small cylinders 65 and extrusion tubes 66 are set with the vertical midline of the front and rear direction of the support plate 4 as the mirror axis, and the mirror image is set inside the round block 55.
[0035] Working principle: When in use, insert the material into the long rod 62, so as to cooperate with the controller 2 to start the motor 51, so that the rotating rod 53 starts to rotate, so that the gear 54 starts to rotate, so that the roller 56 starts to rotate, thereby driving the circular ring block 513 to rotate, and at the same time, the large cylinder 58, the large spring 59, the large column 510, the block 511 and the slider 512 are used to fix the slider 512, so that when the circular ring block 513 rotates, the long column 514 is driven to rotate, thereby pushing multiple groups of oblique pressure blocks 515 to squeeze each other, so that the special shapes inside the multiple groups of oblique pressure blocks 515 squeeze the materials into a suitable shape, and at the same time, the small spring 64 squeezes the small cylinder 65 to push the two groups of extrusion cylinders 66 to squeeze each other, clamp the materials after entering, so that the materials are more stable.
[0036] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A catheter sheath molding device, comprising a body (1), a controller (2) fixedly mounted on the outer side of the body (1), a support cover (3) fixedly mounted on the outer side of the body (1), a support plate (4) fixedly mounted on the outer side of the support cover (3), a baffle (7) fixedly mounted on the outer side of the support cover (3), a rotating assembly (5) and an extrusion assembly (6) arranged on the outer side of the body (1), characterized in that: The rotating assembly (5) comprises: A motor (51), wherein the motor (51) is fixedly mounted inside the machine body (1), one end of a rotating rod (53) is fixedly mounted on the output end of the motor (51), the other end of the rotating rod (53) is rotatably mounted inside the machine body (1), a support block (52) is fixedly mounted outside the machine body (1), a gear (54) is fixedly mounted outside the rotating rod (53), and a round block (55) is fixedly mounted outside the support plate (4); A roller (56), a roller (56) is rotatably mounted on the outer side of the round block (55), the roller (56) is slidably fitted on the baffle (7), an opening (57) is provided on the outer side of the roller (56), a large cylinder (58) is fixedly mounted inside the round block (55), one end of a large spring (59) is fixedly mounted inside the large cylinder (58), one end of a large cylinder (510) is fixedly mounted on the other end of the large spring (59), and a block (511) is fixedly mounted on the other end of the large cylinder (510); A slider (512), the outer side of the block (511) is fixedly mounted with the slider (512), the inner side of the roller (56) is fixedly mounted with a circular ring block (513), the inner side of the circular ring block (513) is rotatably mounted with a long column (514), one end of the slider (512) is slidably fitted on the inner side of the circular ring block (513), and the other end of the slider (512) is fixedly mounted with an oblique pressure block (515).
2. A catheter sheath molding device according to claim 1, characterized in that: The baffles (7) are provided in multiple groups, and the multiple groups of baffles (7) are mirrored at the left and right ends of the machine body (1) with the vertical center line in the left and right directions of the machine body (1) as the mirror axis.
3. A catheter sheath molding device according to claim 1, characterized in that: Two groups of the support plates (4) and the round blocks (55) are provided, and the multiple groups of the support plates (4) and the round blocks (55) are mirrored at the left and right ends of the roller (56) with the vertical center line in the left and right directions of the roller (56) as the mirror axis.
4. A catheter sheath molding device according to claim 1, characterized in that: The opening (57), the large cylinder (58), the large spring (59), the large column (510), the block (511), the slider (512), the long column (514) and the inclined pressure block (515) are provided in a plurality of groups, and the plurality of groups of the opening (57), the large cylinder (58), the large spring (59), the large cylinder (510), the block (511), the slider (512), the long column (514) and the inclined pressure block (515) are arranged in a circular array with equal spacing around the center of the circular cross section of the roller (56) as the center of the array, and the gear (54) is meshed with the plurality of groups of openings (57).
5. A catheter sheath molding device according to claim 1, characterized in that: The extrusion assembly (6) comprises a funnel tube (61), a group of the round blocks (55) having a funnel tube (61) fixedly mounted on the outside, and another group of the round blocks (55) having a long rod (62) fixedly mounted inside. A small cylinder (63) is fixedly mounted inside the round blocks (55), one end of a small spring (64) is fixedly mounted inside the small cylinder (63), one end of a small cylinder (65) is fixedly mounted on the other end of the small spring (64), and an extrusion tube (66) is fixedly mounted on the other end of the small cylinder (65), wherein the outer diameter of the extrusion tube (66) is smaller than the inner diameter of the outer opening (57) of the round block (55).
6. A catheter sheath forming device according to claim 5, characterized in that: The small cylinder (63), the small spring (64), the small column (65) and the extrusion cylinder (66) are provided in multiple groups, and the multiple groups of the small cylinder (63), the small spring (64), the small column (65) and the extrusion cylinder (66) are mirrored inside the round block (55) with the vertical center line of the support plate (4) in the front-to-back direction as the mirror axis.