Catheter system for assisting medical treatment

The catheter system automates endoscope navigation using a surgical robot arm and bending angle adjustment, addressing labor-intensity and training challenges of traditional endoscopes.

CN119236282AInactive Publication Date: 2025-01-03SHENZHEN INST OF ARTIFICIAL INTELLIGENCE & ROBOTICS FOR SOC +1
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Patent Information

Application Number
CN202411242113.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional endoscopes require manual operation, which is labor-intensive, prone to errors, and necessitates extensive early operator training.

Method used

A catheter system with a head end assembly, bendable portion, connecting bridge, instrument box portion, and winding drive assembly, connected to a surgical robot arm, allowing automatic navigation to a lesion site and adjusting bending angles without manual intervention.

Benefits of technology

Enables automatic and precise navigation to a lesion site, reducing manual operation intensity, minimizing errors, and reducing the time required for operator training.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of medical instruments, provides a catheter system for assisting medical treatment, and aims at solving the problems that a traditional endoscope needs to be manually operated by an operator, the labor intensity is high, errors are prone to occurring, and the operator needs a large amount of time to train in the early stage. Comprising a head end assembly in which a first pipeline is arranged; the bendable part is connected with the head end assembly, and a second pipeline is arranged in the bendable part; the connecting bridge part is connected with the end, away from the head end assembly, of the bendable part, and a third pipeline is arranged in the connecting bridge part; the instrument box part is connected with the end, away from the bendable part, of the connecting bridge part, a fourth pipeline is arranged in the instrument box part, and the instrument box part is used for being connected with a surgical machine arm; wherein the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are sequentially connected to form an internal channel.
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Description

Technical Field

[0001] The present application relates to the field of medical devices, and more specifically, to a catheter system for auxiliary medical treatment. Background Art

[0002] Endoscope is a detection instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software. It has image sensors, optical lenses, light sources, and mechanical devices. It can enter the lesion through the human body cavity. The endoscope can be used to see lesions that cannot be displayed by X-rays. Since there is likely to be one or more bends between entering the lesion through the human body cavity, the use of traditional endoscopes still requires manual operation by the operator, which is labor-intensive, prone to errors, and requires a lot of time for early operator training.

[0003] Therefore, the prior art still needs to be improved and developed. Summary of the invention

[0004] The purpose of the present application is to provide a catheter system for auxiliary medical treatment to solve the problem that the traditional endoscope requires manual operation by the operator, which is labor-intensive, prone to errors, and requires a lot of time for early operator training.

[0005] To achieve the above purpose, the technical solution adopted in this application is:

[0006] a head end assembly having a first pipe disposed therein;

[0007] a bendable portion connected to the head end assembly, wherein a second pipe is disposed in the bendable portion;

[0008] a connecting bridge portion, connected to an end of the bendable portion away from the head end assembly, wherein a third pipe is disposed in the connecting bridge portion;

[0009] An instrument box portion, which is connected to one end of the connecting bridge portion away from the bendable portion, a fourth pipe is arranged in the instrument box portion, and the instrument box portion is used to be connected to a surgical robot arm;

[0010] Wherein, the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are connected in sequence to form an internal channel;

[0011] A winding assembly, a first end of which is connected to an end of the bendable portion close to the head end assembly;

[0012] A winding drive assembly is arranged in the instrument box portion, wherein the driving end of the winding drive assembly is connected to the second end of the winding assembly and is used to drive the winding assembly to extend or retract to change the bending angle of the bendable portion.

[0013] In one implementation, the bendable portion includes an elastic member and a shape sensor, the elastic member is connected to the head end assembly, and the shape sensor is disposed on a surface of the elastic member.

[0014] In one implementation, the winding assembly includes a plurality of pull ropes, and the plurality of pull ropes are evenly arranged on the periphery of the elastic member.

[0015] In one implementation, a rope head is detachably provided at one end of the pull rope, and a snap-in opening corresponding to the rope head is provided on the periphery of the elastic member, and the rope head is snapped in the snap-in opening. A plurality of snap-in grooves are provided on the elastic member, and the plurality of snap-in grooves are arranged along the axial direction of the snap-in opening toward one end of the elastic member close to the connecting bridge portion, and the pull rope portion is located in the snap-in groove.

[0016] In one implementation, the head end assembly includes a head end seat, a camera module and a lighting module, the head end seat is arranged on the bendable portion, the first pipe is arranged in the head end seat, and the camera module and the lighting module are both arranged on the end surface of the head end seat away from the bendable portion.

[0017] In one implementation, the winding drive assembly includes a winding wheel assembly and a driving motor assembly;

[0018] Among them, the winding wheel group includes several winding wheels, the driving motor group includes several driving motors, the driving motor is arranged in the instrument box part, the winding wheel is arranged on the driving end of the driving motor, the winding wheel is provided with a spiral winding groove, and one end of the pull rope is wound in the spiral winding groove.

[0019] In one implementation, a first mounting seat is provided in the instrument box portion above the driving motor group, the winding wheel group is provided above the first mounting seat, at least one wire wheel is provided on the first mounting seat on one side of the winding wheel group, and a plurality of wire grooves are provided on the wire wheel.

[0020] In one implementation, the instrument box portion is provided with a second mounting seat above the drive motor group, and the catheter system also includes a winding wheel shaft corresponding to the drive motor, one end of the winding wheel shaft is provided on the driving end of the drive motor, and the other end is provided on the winding wheel, a positioning wheel is provided on the winding wheel shaft, a protrusion is provided on the positioning wheel, and a slot corresponding to the protrusion is provided on the second mounting seat.

[0021] In one implementation, a wire winding fixing seat is provided on the fourth pipe, and a plurality of through holes are formed on the wire winding fixing seat.

[0022] In one implementation, a third mounting seat is disposed in the instrument box portion, and the driving motor group is disposed on the third mounting seat.

[0023] The beneficial effect of the auxiliary medical catheter system provided by the present application is at least that: the present application arranges an internal pipeline formed by sequentially connecting a first pipeline of a head end assembly, a second pipeline of a bendable portion, a third pipeline of a connecting bridge portion and a fourth pipeline of an instrument box portion in the catheter system, and connects the internal pipeline with a surgical robot arm through the instrument box portion, and the surgical robot arm automatically drives the head end assembly of the catheter system from a human body cavity to a lesion location, and after the head end assembly enters the lesion location, an external corresponding diagnostic / therapeutic instrument such as a puncture needle can be used to directly reach the lesion location quickly through the internal channel of the catheter system to perform a corresponding diagnosis, The instrument box portion of the present application is always outside the human body cavity. When the surgical robot arm drives the head end assembly from the human body cavity to the lesion location, the present application sets a winding assembly connected to the bendable portion and a winding drive assembly for driving the winding assembly to extend or retract, and adjusts the bending angle of the bendable portion through the winding drive assembly, thereby achieving the head end assembly of the catheter system to smoothly enter the human body cavity with one or more bending parts and reach the lesion location without manual operation, thereby solving the problems of high manual operation intensity, easy errors and a large amount of time required for early operator training of traditional endoscopes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 A schematic structural diagram of a catheter system for auxiliary medical treatment provided in an embodiment of the present application;

[0026] Figure 2 A schematic diagram of a structure in which a box cover is removed in a catheter system for auxiliary medical treatment provided in an embodiment of the present application;

[0027] Figure 3 for Figure 2 A magnified view of part A;

[0028] Figure 4 for Figure 3 A magnified view of part B;

[0029] Figure 5A schematic diagram of the internal structure of an instrument box at one angle in a catheter system for auxiliary medical treatment provided in an embodiment of the present application;

[0030] Figure 6 for Figure 5 Enlarged view of part C;

[0031] Figure 7 for Figure 5 A magnified view of the D portion;

[0032] Figure 8 A schematic diagram of the internal structure of an instrument box at one angle in a catheter system for auxiliary medical treatment provided in an embodiment of the present application;

[0033] Fig. 9 for Figure 8 Enlarged view of part E.

[0034] Among them, the reference numerals in the figure are:

[0035] 1. Head end assembly; 11. Head end seat; 12. Camera module; 13. Illumination module; 14. Clamp opening; 2. Bendable portion; 21. Elastic member; 211. Snap-fit ​​clamp; 212. Snap-fit ​​groove; 3. Connecting bridge portion; 31. Third pipeline; 4. Instrument box portion; 41. Fourth pipeline; 42. First mounting seat; 43. Second mounting seat; 431. Slot; 44. Third mounting seat; 45. Winding fixing seat; 451. Perforation; 5. Winding assembly; 51. Pull rope; 52. Rope head; 61. Winding wheel; 611. Spiral winding groove; 62. Driving motor; 7. Wire wheel; 71. Wire groove; 8. Positioning wheel; 81. Bump. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0037] It should be noted that when a component is referred to as being "fixed on" or "disposed on" another component, it may be directly or indirectly located on the other component. When a component is referred to as being "connected to" another component, it may be directly or indirectly connected to the other component. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positions shown in the accompanying drawings and are only for the convenience of description and cannot be understood as limitations on the present technical solution. The terms "first" and "second" are only used for the convenience of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0038] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment provides a catheter system for auxiliary medical treatment, the catheter system includes a head end assembly 1, a bendable portion 2, a connecting bridge portion 3, an instrument box portion 4, a winding assembly 5 and a winding drive assembly, the bendable portion 2 is connected to the head end assembly 1, the connecting bridge portion 3 is connected to the end of the bendable portion 2 away from the head end assembly 1, the connecting bridge portion 3 is a bridge for the catheter system to enter the human body cavity, the instrument box portion 4 is connected to the end of the connecting bridge portion 3 away from the bendable portion 2, wherein a first pipe (not shown in the figure) is arranged in the head end assembly 1, a second pipe (not shown in the figure) is arranged in the bendable portion 2, and the connecting bridge portion 3 A third pipe 31 is arranged inside the instrument box part 4, a fourth pipe 41 is arranged inside the instrument box part 4, the first pipe, the second pipe, the third pipe 31 and the fourth pipe 41 are connected in sequence to form an internal channel, wherein the internal channel is a channel from a human body cavity to a lesion location, the winding assembly 5 has a first end and a second end, the first end of the winding assembly 5 is connected to an end of the bendable portion 2 close to the head end assembly 1, the winding drive assembly is arranged in the instrument box part 4, the driving end of the winding drive assembly is connected to the second end of the winding assembly 5, and is used to drive the winding assembly 5 to extend or retract to change the bending angle of the bendable portion 2;

[0039] In this embodiment, an internal pipeline is provided in the catheter system, which is formed by connecting the first pipeline of the head end component 1, the second pipeline of the bendable part 2, the third pipeline 31 of the connecting bridge part 3 and the fourth pipeline 41 of the instrument box part 4 in sequence, and is connected to the surgical robot arm through the instrument box part 4. The head end component 1 of the catheter system is automatically driven by the surgical robot arm to enter the lesion position from the human body cavity. After the head end component 1 enters the lesion position, the corresponding external diagnostic / treatment instrument such as a puncture needle can be used to directly reach the lesion position quickly through the internal channel of the catheter system to perform corresponding diagnosis. The instrument box part 4 of this embodiment is always Outside the human body cavity, when the surgical robot arm drives the head end assembly 1 from the human body cavity to the lesion location, this embodiment provides a winding assembly 5 connected to the bendable portion 2 and a winding drive assembly for driving the winding assembly 5 to extend or retract, and adjusts the bending angle of the bendable portion 2 through the winding drive assembly, thereby achieving the head end assembly 1 of the catheter system to smoothly enter the human body cavity with one or more bending parts and reach the lesion location without manual operation, thereby solving the problems of high manual operation intensity, easy error and large amount of time required for early operator training of traditional endoscopes.

[0040] like Figure 2 and Figure 3 As shown, in one embodiment, the head end assembly 1 includes a head end seat 11, a camera module 12 and a lighting module 13, the head end seat 11 is arranged on the bendable portion 2, a clamp opening 14 is arranged on the head end seat 11, the first pipe is arranged in the head end seat 11, the first pipe is connected with the outside by communicating with the clamp opening 14, a camera installation groove (not shown in the figure) and a lighting installation groove (not shown in the figure) are opened on the end surface of the head end seat 11 away from the bendable portion 2, the camera module 12 is arranged in the camera installation groove, and the lighting module 13 is arranged in the lighting installation groove, wherein the camera module 12 can be arranged in one or more groups, and the lighting module 13 can also be arranged in one or more groups. In this embodiment, the camera module 12 is arranged in one group, and the lighting module 13 is arranged in two groups;

[0041] In this embodiment, a camera module 12 and a lighting module 13 are arranged on the head end seat 11. When the head end component 1 enters the lesion position from the human body cavity, the camera module 12 can be used to take pictures of the suspected lesion position and provide diagnostic data such as relevant pictures and image data. The lighting module 13 can be used to realize the lighting function, wherein the lighting system can be realized by LED lights or by optical fiber conduction of an external light source.

[0042] like Figure 3 and Figure 4As shown, in one embodiment, the bendable portion 2 includes an elastic member 21 and a shape sensor (not shown in the figure), the elastic member 21 can be an elastic tube, wherein the elastic member 21 is connected to the head end seat 11, the elastic member 21 is sleeved on the second pipe, and the shape sensor can be in the shape of a long tube, which is arranged on the surface of the elastic member 21. In this embodiment, a shape sensor is arranged to sense the feedback position and posture of the shape sensor to determine whether the position and posture of the catheter system need to be adjusted, thereby assisting the winding drive assembly to drive the winding assembly 5 to extend or retract and change the bending angle of the bendable portion 2.

[0043] like Figure 4 As shown, in one embodiment, a plurality of snap-fitting openings 211 are evenly provided on the periphery of the elastic member 21, and the winding assembly 5 includes a plurality of drawstrings 51, and a rope head 52 matching the snap-fitting opening 211 is detachably provided on one end of each drawstring 51, and the rope head 52 is snap-fitted into the snap-fitting opening 211. In this embodiment, the drawstring 51 is connected to the elastic member 21 by setting the snap-fitting opening 211 and snap-fitting the rope head 52 of the drawstring 51 into the snap-fitting opening 211, and because the rope head 52 and the drawstring 51 are snap-fitted, the drawstring 51 is connected to the elastic member 21. The disassembly setting makes it easy to disassemble the pull rope 51 from the elastic member 21, thereby avoiding the problem of low life of the catheter system caused by the inability to replace the rope over a long period of time. In this embodiment, three or more of the embedded clamps 211 can be set. In this embodiment, the embedded clamps 211 are set to four, and accordingly, the rope heads 52 and the pull ropes 51 are set to four. The detachable manner of the rope heads 52 and the pull ropes 51 includes but is not limited to: a knotted connection manner between the rope heads 52 and the pull ropes 51.

[0044] Furthermore, a plurality of embedding grooves 212 are provided on the elastic member 21, and the plurality of embedding grooves 212 are arranged along the axial direction of the embedding clamp 211 at one end of the elastic member 21 close to the connecting bridge portion 3, and the pull rope 51 is partially located in the embedding groove 212. By setting the embedding groove 212, the present embodiment can fix the pull rope 51 located on the elastic member 21 in the embedding groove 212, so that the winding drive assembly drives the winding assembly 5 to extend or retract while driving the elastic member 21 to bend.

[0045] In one embodiment, a sleeve (not shown in the figure) is provided on the outer side of the elastic member 21, one end of the sleeve is connected to the head end seat 11, and the other end is connected to the connecting bridge portion 3. By providing the sleeve, this embodiment can prevent the elastic member 21 and the embedding groove 212 on the elastic member 21 from being exposed to the outside, thereby avoiding the inconvenience of cleaning caused by the substances in the human cavity easily contaminating the pull rope 51 after the bendable portion 2 enters the human cavity, and the risk of cross infection due to interactive use.

[0046] like Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, in one embodiment, a first mounting seat 42, a second mounting seat 43 and a third mounting seat 44 are arranged in the instrument box portion 4, and the first mounting seat 42, the second mounting seat 43 and the third mounting seat 44 are arranged in sequence from high to low, and the first mounting seat 42 is arranged on the second mounting seat 43, and the second mounting seat 43 is arranged on the third mounting seat 44. The fourth pipe 41 is located above the first mounting seat 42, and a winding fixing seat 45 is arranged on the fourth pipe 41. A plurality of through holes 451 are opened on the winding fixing seat 45; the size of the through hole 451 is larger than the size of the pull rope 51, so that the pull rope 51 can pass through;

[0047] The winding drive assembly includes a winding wheel group and a driving motor group, wherein the winding wheel group includes a plurality of winding wheels 61, and the driving motor group includes a plurality of driving motors 62. The number of the winding wheels 61, the driving motors 62 and the pull ropes 51 are the same and correspond one to one. The driving motors 62 are fixedly arranged on the third mounting seat 44 in the instrument box portion 4. The winding wheel 61 is arranged on the driving end of the driving motor 62 and is located above the first mounting seat 42. A spiral winding groove 611 is provided on the winding wheel 61. The pull rope 51 passes through the through hole 451 and is wound in the spiral winding groove 611.

[0048] In this embodiment, one end of the pull rope 51 is wound and fixed in the spiral winding groove 611 of the winding wheel 61. When the driving motor 62 rotates, it can drive the winding wheel 61 to rotate, thereby driving the pull rope 51 in the spiral winding groove 611 to extend or retract, thereby changing the bending angle of the bendable part 2.

[0049] like Figure 8 and Fig. 9As shown, in one embodiment, at least one wire wheel 7 is provided on the first mounting seat 42 on one side of the winding wheel group, and a plurality of wire grooves 71 are provided on the wire wheel 7, that is, the pull rope 51 passes through the through hole 451, bypasses the wire groove 71, and is wound in the spiral winding groove 611. By providing the wire wheel 7, the present embodiment can stagger a plurality of pull ropes 51, so that a plurality of pull ropes 51 wound on the winding wheels 61 close to each other will not be staggered with each other and affect the use, thereby reducing the occupied space between the winding wheels 61; wherein, the wire wheel 7 can be set to one or more, and when the wire wheel 7 is set to one, the number of the wire grooves 71 is not less than the number of the pull ropes 51, and in the present embodiment, the wire wheel 7 can be set to two, and at this time, the number of the wire grooves 71 is not less than two.

[0050] like Figure 6 and Figure 7 As shown, in one embodiment, a winding wheel shaft (not shown in the figure) is also provided on the catheter system, and the winding wheel shaft is arranged between the winding wheel 61 and the driving motor 62. Specifically, one end of the winding wheel shaft is arranged on the driving end of the driving motor 62, and the other end is arranged on the winding wheel 61. A locking wheel 8 is also provided on the winding wheel shaft, and the locking wheel 8 is arranged above the second mounting seat 43. A protrusion 81 is provided on the locking wheel 8, and a slot 431 corresponding to the protrusion 81 is provided on the second mounting seat 43. In this embodiment, the initial state of the pull rope 51 can be set by the locking wheel 8 and the slot 431 corresponding to the protrusion 81 on the locking wheel 8.

[0051] In one embodiment, a force feedback device (not shown in the figure) is provided on the pull rope 51. By providing the force feedback device, the state of the pull rope 51 (loose or tight) can be monitored at any time in this embodiment, so as to switch the state of the pull rope 51 at any time.

[0052] In summary, the present application provides an auxiliary medical catheter system, which includes a head end component 1, a bendable portion 2, a connecting bridge portion 3, an instrument box portion 4, a winding component 5 and a winding drive component, the bendable portion 2 is connected to the head end component 1, the connecting bridge portion 3 is connected to the end of the bendable portion 2 away from the head end component 1, the connecting bridge portion 3 is a bridge for the catheter system to enter the human body cavity, the instrument box portion 4 is connected to the end of the connecting bridge portion 3 away from the bendable portion 2, wherein the head end component 1 is provided with a first pipeline, and the bendable portion 2 is provided with a second pipeline. Two pipes, a third pipe 31 is arranged in the connecting bridge part 3, and a fourth pipe 41 is arranged in the instrument box part 4. The first pipe, the second pipe, the third pipe 31 and the fourth pipe 41 are connected in sequence to form an internal channel. The first end of the winding assembly 5 is connected to the end of the bendable part 2 close to the head end assembly 1, and the winding drive assembly is arranged in the instrument box part 4. The driving end of the winding drive assembly is connected to the second end of the winding assembly 5 and is used to drive the winding assembly 5 to extend or retract to change the bending angle of the bendable part 2; this application is passed An internal pipeline is provided in the catheter system, which is formed by sequentially connecting the first pipeline of the head end component 1, the second pipeline of the bendable part 2, the third pipeline 31 of the connecting bridge part 3 and the fourth pipeline 41 of the instrument box part 4, and is connected to the surgical robot arm through the instrument box part 4. The head end component 1 of the catheter system is automatically driven by the surgical robot arm to enter the lesion position from the human body cavity. After the head end component 1 enters the lesion position, the corresponding external diagnostic / treatment instrument such as a puncture needle can be used to directly reach the lesion position quickly through the internal channel of the catheter system to perform corresponding diagnosis. The instrument box part 4 of the present application is always in the human body. Outside the cavity, when the surgical robot arm drives the head end assembly 1 from the human body cavity to the lesion location, the present application sets a winding assembly 5 connected to the bendable portion 2 and a winding drive assembly for driving the winding assembly 5 to extend or retract, and adjusts the bending angle of the bendable portion 2 through the winding drive assembly, thereby achieving the head end assembly 1 of the catheter system to smoothly enter the human body cavity with one or more bending parts and reach the lesion location without manual operation, thereby solving the problems of high manual operation intensity, easy errors and the need for a lot of time for early operator training of traditional endoscopes.

[0053] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A catheter system for auxiliary medical treatment, characterized in that: include: a head end assembly having a first pipe disposed therein; a bendable portion connected to the head end assembly, wherein a second pipe is disposed in the bendable portion; a connecting bridge portion, connected to an end of the bendable portion away from the head end assembly, wherein a third pipe is arranged in the connecting bridge portion; An instrument box portion, which is connected to one end of the connecting bridge portion away from the bendable portion, a fourth pipe is arranged in the instrument box portion, and the instrument box portion is used to be connected to a surgical robot arm; Wherein, the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are connected in sequence to form an internal channel; A winding assembly, a first end of which is connected to an end of the bendable portion close to the head end assembly; A winding drive assembly is arranged in the instrument box portion, wherein the driving end of the winding drive assembly is connected to the second end of the winding assembly and is used to drive the winding assembly to extend or retract to change the bending angle of the bendable portion.

2. The catheter system for auxiliary medical treatment as claimed in claim 1, characterized in that: The bendable portion includes an elastic member and a shape sensor, the elastic member is connected to the head end assembly, and the shape sensor is arranged on the surface of the elastic member.

3. The catheter system for auxiliary medical treatment as claimed in claim 2, characterized in that: The winding assembly includes a plurality of drawstrings, and the plurality of drawstrings are evenly arranged on the periphery of the elastic member.

4. The auxiliary medical catheter system according to claim 3, characterized in that: One end of the pull rope is detachably provided with a rope head, and the periphery of the elastic member is provided with a snap-in clamp corresponding to the rope head, and the rope head is snapped in the snap-in clamp. The elastic member is provided with a plurality of snap-in grooves, and the plurality of snap-in grooves are arranged along the axial direction of the snap-in clamp at one end of the elastic member close to the connecting bridge portion, and the pull rope portion is located in the snap-in groove.

5. The auxiliary medical catheter system according to claim 1, characterized in that: The head end assembly includes a head end seat, a camera module and a lighting module. The head end seat is arranged on the bendable part, the first pipe is arranged in the head end seat, and the camera module and the lighting module are both arranged on the end surface of the head end seat away from the bendable part.

6. The auxiliary medical catheter system according to claim 3, characterized in that: The winding drive assembly comprises a winding wheel assembly and a driving motor assembly; Among them, the winding wheel group includes several winding wheels, the driving motor group includes several driving motors, the driving motor is arranged in the instrument box part, the winding wheel is arranged on the driving end of the driving motor, the winding wheel is provided with a spiral winding groove, and one end of the pull rope is wound in the spiral winding groove.

7. The auxiliary medical catheter system according to claim 6, characterized in that: A first mounting seat is arranged above the driving motor group in the instrument box part, the winding wheel group is arranged above the first mounting seat, at least one wire wheel is arranged on one side of the winding wheel group on the first mounting seat, and a plurality of wire grooves are arranged on the wire wheel.

8. The auxiliary medical catheter system according to claim 6, characterized in that: The instrument box portion is located above the drive motor group and is provided with a second mounting seat. The catheter system also includes a winding wheel shaft corresponding to the drive motor, one end of the winding wheel shaft is arranged on the driving end of the drive motor, and the other end is arranged on the winding wheel. A positioning wheel is arranged on the winding wheel shaft, and a protrusion is arranged on the positioning wheel. The second mounting seat is provided with a slot corresponding to the protrusion.

9. The auxiliary medical catheter system according to claim 1, characterized in that: The fourth pipe is provided with a wire winding fixing seat, and the wire winding fixing seat is provided with a plurality of through holes.

10. The auxiliary medical catheter system according to claim 6, characterized in that: A third mounting seat is arranged in the instrument box portion, and the driving motor group is arranged on the third mounting seat.

Citation Information

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