Microcatheter laser marking device with sheath guiding structure

By introducing a guiding mechanism and limiting components into the microcatheter laser marking equipment, and using silicone tubing to protect the catheter, the problems of catheter bending and damage are solved, and stable delivery and protection of the catheter are achieved.

CN120715416BActive Publication Date: 2025-11-07SUZHOU LEVEBIO TECH CO LTD
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Patent Information

Application Number
CN202511243454.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-02
Publication Date
2025-11-07
Estimated Expiration
2045-09-02

AI Technical Summary

Technical Problem

Traditional microcatheter laser marking equipment lacks a guiding mechanism, causing the catheter to bend after entering the delivery mechanism and easily be damaged by the clamping and flipping mechanism.

Method used

A microcatheter laser marking device with a protective tube guide structure was designed, including a guide mechanism and a limiting component. The silicone tube protects the catheter, preventing bending and preventing the clamping and flipping mechanism from damaging the catheter.

Benefits of technology

It effectively prevents the conduit from bending during transport and protects the conduit from damage by the clamping and flipping mechanism, thus improving the reliability and accuracy of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN120715416B_ABST
    Figure CN120715416B_ABST
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Abstract

The application discloses a kind of microcatheter laser marking equipment with protective tube guide structure, including locating seat, locating seat is fixed in the top of laser marking equipment rack, and laser marking equipment rack includes conveying mechanism and clamping turnover mechanism fixed in its top, the side of the locating seat is movably inserted with guide mechanism, one end of guide mechanism is sleeved with silica gel tube, one end of silica gel tube passes through conveying mechanism and clamping turnover mechanism;Round cylinder is movably inserted into placing groove, one end of silica gel tube is sleeved on the outer ring surface of annular cylinder, after starting microcatheter laser marking equipment, microcatheter will first pass through guide mechanism and silica gel tube before passing through conveying mechanism and clamping turnover mechanism, guide mechanism is well protected to microcatheter, avoid bending after microcatheter enters conveying mechanism, and silica gel tube effectively prevents clamp of clamping turnover mechanism from damaging microcatheter.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of medical treatment, and particularly relates to a micro catheter laser marking device with a catheter protection guide structure. BACKGROUND

[0002] The micro catheter laser marking device is a laser marking machine specially used for marking, carving and marking scale lines on the surfaces of various plastic and rubber catheters in the industry; the device can efficiently and accurately generate permanent marks on micro-sized catheters.

[0003] However, the conventional device has the following problems in use:

[0004] Without a guide mechanism, the catheter enters the conveying mechanism, and due to the material problem of the catheter itself, the catheter will inevitably be bent after entering the conveying mechanism, and the bent catheter cannot be guided out from the other side of the conveying mechanism; at the same time, the chuck on the clamping and overturning mechanism on the other side of the conveying mechanism generally directly clamps the catheter, and the catheter is clamped and broken by the chuck without any protection measures. SUMMARY

[0005] In view of the deficiencies of the prior art, the application aims to provide a micro catheter laser marking device with a catheter protection guide structure, which has the advantages of avoiding bending of the micro catheter after entering the conveying mechanism and effectively preventing the chuck of the clamping and overturning mechanism from clamping and breaking the micro catheter.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a micro catheter laser marking device with a catheter protection guide structure, comprising a positioning seat fixed on the top of a laser marking device rack, the laser marking device rack comprising a conveying mechanism and a clamping and overturning mechanism fixed on the top thereof, a guide mechanism movably inserted into the side surface of the positioning seat, a silicone tube sleeved on one end of the guide mechanism, and one end of the silicone tube penetrating through the conveying mechanism and the clamping and overturning mechanism; a top holding assembly movably inserted into the top of the positioning seat, a limiting piece slidingly connected in the interior of the positioning seat, the top holding assembly limiting the limiting piece, and the limiting piece limiting the guide mechanism to fix the guide mechanism.

[0007] Preferably, the guide mechanism comprises a conical cylinder, a circular cylinder and an annular cylinder, the annular cylinder is fixed on the smaller-diameter end of the conical cylinder, the circular cylinder is fixed on the larger-diameter end of the conical cylinder, the guide mechanism is a through structure as a whole, the circular cylinder is movably inserted into a placing groove, and the placing groove is formed in the side surface of the positioning seat.

[0008] Preferably, one end of the silicone tube is sleeved on the outer surface of the annular cylinder, and a micro catheter is movably inserted into the circular cylinder, and one end of the micro catheter penetrates through the guide mechanism and the silicone tube.

[0009] Preferably, the top-holding assembly comprises a limiting rod, a top-holding plate, an integral plate, a limiting plate, a damping handle, the limiting rod is in a "T" shaped column structure, the limiting rod is movably inserted into the top of the positioning seat, the top-holding plate is in a hemispherical structure, the top-holding plate is fixed at the bottom of the limiting rod, and the top-holding plate is located in the accommodating groove which is opened in the inside of the positioning seat.

[0010] Preferably, the integral plate is fixed at the bottom of the outer ring surface of the limiting rod, the limiting plate is fixedly connected to one side of the integral plate, the limiting plate is in an arc-shaped plate structure, the integral plate is fixedly connected with two groups, the two groups of integral plates are symmetrically distributed about the center of the limiting rod, and the damping handle is fixed at the top of the outer ring surface of the limiting rod and located outside the positioning seat.

[0011] Preferably, the accommodating groove is in a "T" shaped column groove, the positioning rod is fixedly connected between the top and the bottom of the accommodating groove, the positioning rod is in a circular rod, the limiting groove is opened in the outer ring surface of the positioning rod, the limiting groove is in an arc-shaped plate groove, and the limiting plate is movably inserted into the limiting groove.

[0012] Preferably, the limiting member comprises a supporting spring, a movable disc, and a pressing plate, the movable disc is in a "T" shaped column structure, the bottom of the top-holding plate is in contact with the top of the movable disc, the top of the movable disc is provided with a through hole through which the positioning rod passes, the pressing plate is in an arc-shaped plate structure, the pressing plate is fixedly connected to the bottom of the movable disc, the accommodating groove is communicated with the placing groove, and the bottom surface of the pressing plate is attached to the outer ring surface of the circular cylinder.

[0013] Preferably, the supporting spring is fixedly connected between the bottom surface of the accommodating groove and the bottom surface of the top plate of the movable disc, and the supporting spring is sleeved on the outer ring surface of the positioning rod.

[0014] Preferably, the outer ring surface of the circular cylinder is sleeved with a rubber sleeve, the bottom surface of the pressing plate is provided with a rubber protrusion, and the rubber sleeve is movably attached to the rubber protrusion.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] By movably inserting the circular cylinder into the placing groove and sleeving one end of the silica gel tube on the outer ring surface of the annular cylinder, the micro catheter will first pass through the guide mechanism and the silica gel tube before passing through the conveying mechanism and the clamping and overturning mechanism after starting the micro catheter laser marking device. The guide mechanism can well protect the micro catheter and avoid the bending of the micro catheter after entering the conveying mechanism. The silica gel tube can effectively prevent the micro catheter from being damaged by the chuck of the clamping and overturning mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2 It is a schematic diagram of the structure of the guide mechanism of the present application.

[0019] Figure 3 It is a partial schematic view of the overall structure of the application.

[0020] Figure 4 It is a schematic view of the limiting piece structure of the application.

[0021] Figure 5 It is a schematic view of the top holding assembly structure of the application.

[0022] Figure 6 It is a schematic view of the positioning seat structure of the application.

[0023] Figure 7 It is a schematic view of the positioning rod structure of the application.

[0024] Figure 8 It is a schematic view of the positioning rod structure of the application. Figure 3 It is an enlarged schematic view of A in the figure.

[0025] In the figure: 1, laser marking equipment rack; 2, conveying mechanism; 3, positioning seat; 4, conical cylinder; 5, silica gel tube; 6, micro catheter; 7, circular cylinder; 8, annular cylinder; 9, rubber sleeve; 10, placing groove; 11, limiting rod; 12, top holding plate; 13, integrated plate; 14, limiting plate; 15, positioning rod; 16, limiting groove; 17, containing groove; 18, supporting spring; 19, movable disc; 20, pressing plate; 21, through hole; 22, damping handle; 23, clamping and overturning mechanism. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme of the application clear, complete description, and the advantages are more clear and obvious, the following will be further described in detail by combining with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the application, not all embodiments, only to explain the embodiments of the application, and not used to limit the embodiments of the application, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of protection of the application.

[0027] Example one, please refer to Figures 1 to 8The application provides a technical scheme: a microcatheter laser marking equipment with a protective tube guiding structure, which comprises a positioning seat 3 fixed on the top of a laser marking equipment rack 1, the laser marking equipment rack 1 comprises a conveying mechanism 2 and a clamping and overturning mechanism 23 fixed on the top of the laser marking equipment rack 1, a guiding mechanism is movably inserted on the side of the positioning seat 3, one end of the guiding mechanism is sleeved with a silica gel tube 5, and one end of the silica gel tube 5 penetrates through the conveying mechanism 2 and the clamping and overturning mechanism 23; a top holding assembly is movably inserted on the top of the positioning seat 3, a limiting piece is slidably connected in the positioning seat 3, the top holding assembly limits the limiting piece, the limiting piece limits the guiding mechanism, and the fixing of the guiding mechanism is realized; before starting the microcatheter laser marking equipment, the circular cylinder 7 is movably inserted into the placing groove 10, and one end of the silica gel tube 5 is sleeved on the outer ring surface of the annular cylinder 8, so that after starting the microcatheter laser marking equipment, the microcatheter 6 will first penetrate through the guiding mechanism and the silica gel tube 5 before passing through the conveying mechanism 2 and the clamping and overturning mechanism 23, the guiding mechanism can well protect the microcatheter 6, and the silica gel tube 5 can effectively prevent the microcatheter 6 from being clamped and damaged by the chuck of the clamping and overturning mechanism 23.

[0028] In the embodiment two, on the basis of the embodiment one, the guiding mechanism comprises a conical cylinder 4, a circular cylinder 7 and an annular cylinder 8, the annular cylinder 8 is fixed on the smaller-diameter end of the conical cylinder 4, the circular cylinder 7 is fixed on the larger-diameter end of the conical cylinder 4, the guiding mechanism is in a through structure, the circular cylinder 7 is movably inserted into the placing groove 10, the placing groove 10 is arranged on the side of the positioning seat 3, one end of the silica gel tube 5 is sleeved on the outer ring surface of the annular cylinder 8, and the microcatheter 6 is movably inserted into the circular cylinder 7, and one end of the microcatheter 6 penetrates through the guiding mechanism and the silica gel tube 5.

[0029] In the application, before starting the microcatheter laser marking equipment, the circular cylinder 7 is movably inserted into the placing groove 10, and one end of the silica gel tube 5 is sleeved on the outer ring surface of the annular cylinder 8, so that after starting the microcatheter laser marking equipment, the microcatheter 6 will first penetrate through the guiding mechanism and the silica gel tube 5 before passing through the conveying mechanism 2 and the clamping and overturning mechanism 23, the guiding mechanism can well protect the microcatheter 6, and the silica gel tube 5 can effectively prevent the microcatheter 6 from being clamped and damaged by the chuck of the clamping and overturning mechanism 23.

[0030] In example three, on the basis of example two, the top holding assembly comprises a limiting rod 11, a top holding plate 12, an integral plate 13, a limiting plate 14 and a damping handle 22, the limiting rod 11 is in the shape of a "T" column structure, the limiting rod 11 is movably inserted into the top of the positioning seat 3, the top holding plate 12 is in the shape of a hemisphere, the top holding plate 12 is fixed at the bottom of the limiting rod 11, and the top holding plate 12 is located in the accommodating groove 17, the accommodating groove 17 is arranged in the inside of the positioning seat 3, the integral plate 13 is fixed at the bottom of the outer ring surface of the limiting rod 11, the limiting plate 14 is fixedly connected to one side of the integral plate 13, the limiting plate 14 is in the shape of an arc-shaped plate, and the integral plate 13 is fixedly connected with two groups, the two groups of integral plates 13 are symmetrically distributed about the center of the limiting rod 11, and the damping handle 22 is fixed to the top outer ring surface of the limiting rod 11, the damping handle 22 is located outside the positioning seat 3, the accommodating groove 17 is in the shape of a "T" column groove, the positioning rod 15 is fixedly connected between the top and the bottom of the accommodating groove 17, the positioning rod 15 is in the shape of a circular rod, the limiting groove 16 is arranged in the outer ring surface of the positioning rod 15, the limiting groove 16 is in the shape of an arc-shaped plate, and the limiting plate 14 is movably inserted into the limiting groove 16.

[0031] In the present application, before the circular cylinder 7 is movably inserted into the placing groove 10, the limiting plate 14 is not located in the limiting groove 16; after the circular cylinder 7 is inserted into the placing groove 10, the limiting rod 11 is pressed down and the damping handle 22 is rotated to drive the limiting rod 11 to rotate, the limiting rod 11 drives the integral plate 13 and the limiting plate 14 to synchronously rotate, until the limiting plate 14 is movably inserted into the limiting groove 16, at this time, the top holding plate 12 is in contact with the top of the limiting piece, that is, the top holding assembly limits the limiting piece.

[0032] In example four, on the basis of example three, the limiting piece comprises a supporting spring 18, a movable disc 19 and a pressing plate 20, the movable disc 19 is in the shape of a "T" column structure, the bottom of the top holding plate 12 is in contact with the top of the movable disc 19, the top of the movable disc 19 is provided with a through hole 21, the positioning rod 15 passes through the through hole 21, the pressing plate 20 is in the shape of an arc-shaped plate, the pressing plate 20 is fixedly connected to the bottom of the movable disc 19, the accommodating groove 17 is communicated with the placing groove 10, the bottom surface of the pressing plate 20 is attached to the outer ring surface of the circular cylinder 7, the supporting spring 18 is fixedly connected between the bottom surface of the accommodating groove 17 and the bottom surface of the top plate of the movable disc 19, the supporting spring 18 is sleeved on the outer ring surface of the positioning rod 15, the outer ring surface of the circular cylinder 7 is sleeved with a rubber sleeve 9, the bottom surface of the pressing plate 20 is provided with a rubber protrusion, and the rubber sleeve 9 is movably attached to the rubber protrusion.

[0033] When the limiting rod 11 is pressed down, the limiting rod 11 drives the supporting plate 12 to press down the movable disc 19, so that when the limiting plate 14 is located in the limiting groove 16, the limiting rod 11 will not easily rotate under the supporting effect of the supporting spring 18; while the movable disc 19 is pressed down, the movable disc 19 drives the pressing plate 20 to press down, so that the rubber sleeve 9 is attached to the rubber protrusion, the fixing of the circular cylinder 7 is completed, and the movement of the circular cylinder 7 caused by the micro catheter 6 when entering the circular cylinder 7 is prevented, and the whole is convenient for the assembly and disassembly of the guide mechanism.

[0034] The working principle and use process of the present application: before starting the micro catheter laser marking equipment, the circular cylinder 7 is movably inserted into the placing groove 10, then the limiting rod 11 is pressed down and the damping handle 22 is rotated to drive the limiting rod 11 to rotate, the limiting rod 11 drives the integral plate 13 and the limiting plate 14 to rotate synchronously, until the limiting plate 14 is movably inserted into the limiting groove 16, when the limiting rod 11 is pressed down, the limiting rod 11 drives the supporting plate 12 to press down the movable disc 19, so that when the limiting plate 14 is located in the limiting groove 16, the limiting rod 11 will not easily rotate under the supporting effect of the supporting spring 18; while the movable disc 19 is pressed down, the movable disc 19 drives the pressing plate 20 to press down, so that the rubber sleeve 9 is attached to the rubber protrusion, the fixing of the circular cylinder 7 is completed, finally one end of the silica gel tube 5 is sleeved on the outer ring surface of the annular cylinder 8, the micro catheter laser marking equipment is started, the micro catheter 6 passes through the guide mechanism and the silica gel tube 5 before passing through the conveying mechanism 2 and the clamping and overturning mechanism 23, the guide mechanism well plays a protection role for the micro catheter 6, avoids the bending of the micro catheter 6 after entering the conveying mechanism 2, and the silica gel tube 5 effectively prevents the clamp of the clamping and overturning mechanism 23 from damaging the micro catheter 6.

[0035] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes 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 microcatheter laser marking device with a sheath guiding structure, comprising a positioning seat (3) fixed on the top of a laser marking device rack (1), the laser marking device rack (1) comprising a conveying mechanism (2) and a clamping and overturning mechanism (23) fixed on the top thereof, characterized in that: The side of the positioning seat (3) movably inserts a guide mechanism, one end of the guide mechanism is sleeved with a silica gel tube (5), one end of the silica gel tube (5) penetrates the conveying mechanism (2) and the clamping and overturning mechanism (23); the top of the positioning seat (3) movably inserts a top holding assembly, the inside of the positioning seat (3) is slidably connected with a limiting piece, the top holding assembly limits the limiting piece, the limiting piece limits the guide mechanism, the fixing of the guide mechanism is realized, the guide mechanism includes a conical cylinder (4), a circular cylinder (7) and an annular cylinder (8), the annular cylinder (8) is fixed at one end of the conical cylinder (4) with a smaller diameter, the circular cylinder (7) is fixed at one end of the conical cylinder (4) with a larger diameter, the guide mechanism is of a through structure, the circular cylinder (7) is movably inserted in a placing groove (10) formed in the side of the positioning seat (3), one end of the silica gel tube (5) is sleeved on the outer surface of the annular cylinder (8), and a micro catheter (6) is movably inserted in the circular cylinder (7), one end of the micro catheter (6) penetrates the guide mechanism and the silica gel tube (5), the top holding assembly includes a limiting rod (11), a top holding plate (12), an integral plate (13), a limiting plate (14) and a damping handle (22), the limiting rod (11) is in a "T" shaped column structure, the limiting rod (11) is movably inserted in the top of the positioning seat (3), the top holding plate (12) is in a hemispherical structure, the top holding plate (12) is fixed at the bottom of the limiting rod (11), and the top holding plate (12) is located in a containing groove (17) formed in the inside of the positioning seat (3), the containing groove (17) is in a "T" shaped column groove, and the top and bottom of the containing groove (17) are fixedly connected with a positioning rod (15), the positioning rod (15) is in a circular rod, the outer surface of the positioning rod (15) is formed with a limiting groove (16), the limiting groove (16) is in an arc plate-shaped groove, and the limiting plate (14) is movably inserted in the limiting groove (16).

2. A microcatheter laser marking device with a sheath guiding structure according to claim 1, characterized in that: The integral plate (13) is fixed at the bottom of the outer surface of the limiting rod (11), the limiting plate (14) is fixedly connected at one side of the integral plate (13), the limiting plate (14) is in an arc plate-shaped structure, the integral plate (13) is fixedly connected with two groups, the two groups of integral plates (13) are symmetrically distributed about the center of the limiting rod (11), and the damping handle (22) is fixed at the top of the outer surface of the limiting rod (11), and the damping handle (22) is located outside the positioning seat (3).

3. A microcatheter laser marking device with a sheath guiding structure according to claim 1, characterized in that: The limiting piece includes a supporting spring (18), a movable disc (19) and a pressing plate (20), the movable disc (19) is in a "T" shaped column structure, the bottom of the top holding plate (12) is in contact with the top of the movable disc (19), the top of the movable disc (19) is formed with a through hole (21), the positioning rod (15) penetrates the through hole (21), the pressing plate (20) is in an arc plate-shaped structure, the pressing plate (20) is fixedly connected at the bottom of the movable disc (19), and the containing groove (17) and the placing groove (10) are through, and the bottom surface of the pressing plate (20) is attached to the outer surface of the circular cylinder (7).

4. A microcatheter laser marking device with a sheath guiding structure according to claim 3, characterized in that: The support spring (18) is fixedly connected between the bottom surface of the accommodating groove (17) and the bottom surface of the top plate of the movable disc (19), and the support spring (18) is sleeved on the outer ring surface of the positioning rod (15).

5. The microcatheter laser marking device with a sheath guiding structure according to claim 1, characterized in that: The outer ring surface of the circular barrel (7) is sleeved with a rubber sleeve (9), the bottom surface of the pressing plate (20) is provided with a rubber protrusion, and the rubber sleeve (9) is movably attached to the rubber protrusion.

Citation Information

Patent Citations

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    CN107262941A

  • Full-automatic laser cutting equipment

    CN110900012A