Multi-channel injection, suction and retraction catheter structure

Abstract

The utility model discloses a multi-channel injection suction retraction catheter structure which comprises a USB light source video head and an object taking net basket assembly and further comprises a multi-channel catheter body, a multi-channel seat arranged at the end of the multi-channel catheter body and a catheter head arranged at the other end of the multi-channel catheter body. A connecting insertion cavity is formed in the end surface of the multi-channel seat, and the end part of the multi-channel pipe body is inserted into the connecting insertion cavity and is fixed through a positioning structure; the USB light source video head penetrates through the first through hole to be inserted into the third channel, the object taking net basket assembly penetrates through the second through hole to be inserted into the fourth channel, and the end of the object taking net basket assembly extends out of the catheter head. According to the utility model, the structure arrangement is reasonable, the USB light source video head and the object taking mesh basket assembly can be inserted, endoscopic examination and mesh basket object taking operation can be realized, the suction joint and the water spraying joint are arranged on the multi-channel seat, suction or water spraying cleaning operation can also be realized, the overall functions are diversified, the operation is convenient, the use is stable and reliable, and the practicability is high. And the applicability and the practicability are high.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a multi-channel injection suction retraction catheter structure. Background Art

[0002] The endoscope structure is a common medical device that can be used in various inspections and surgical operations. Functional minimally invasive surgeries using endoscopes have been widely used. The traditional endoscope structure consists of a catheter, a video head inside the catheter, and a data cable connected to the video head. Although it can meet general usage requirements, its functions are relatively limited. It does not have a liquid extraction or liquid spray cleaning structure, and it is also unable to perform other actions. Its operation convenience is limited, so its applicability and practicality are restricted. Summary of the invention

[0003] The utility model aims to provide a multi-channel injection suction retraction catheter structure with reasonable structural arrangement and convenient operation.

[0004] The technical solution to achieve the purpose of the utility model is a multi-channel injection suction retraction catheter structure, including a USB light source video head and a retrieval basket assembly, and also includes a multi-channel tube body, a multi-channel seat arranged at the end of the multi-channel tube body and a catheter head arranged at the other end of the multi-channel tube body;

[0005] The multi-channel tube body comprises a first channel, a second channel, a third channel and a fourth channel arranged in parallel;

[0006] A connecting cavity is arranged on the end surface of the multi-channel seat, and a first through hole, a second through hole, a suction joint and a water spray joint which are in communication with the connecting cavity are arranged on the multi-channel seat;

[0007] The end of the multi-channel tube body is inserted into the connecting cavity and fixed by a positioning structure;

[0008] The suction joint is connected to the first channel, the water spray joint is connected to the second channel, the first through hole is connected to the third channel, and the second through hole is connected to the fourth channel;

[0009] The USB light source video head is inserted into the third channel through the first through hole, and the object-taking basket assembly is inserted into the fourth channel through the second through hole with the end thereof extending out of the catheter head.

[0010] It is further preferred that: the multi-channel tube body is further provided with a plurality of insertion holes;

[0011] The top surface of the catheter head is integrally formed with an insertion column that matches the insertion hole;

[0012] The catheter head is attached to the end of the multi-channel tube body, and the insertion clamp is inserted into the insertion hole and fixed.

[0013] It is further preferred that: the catheter head is provided with a plurality of avoidance holes respectively matching with the first channel, the second channel, the third channel and the fourth channel.

[0014] It is further preferred that: the object-retrieving basket assembly comprises a basket tube, a basket positioning seat, an endoscope object-retrieving basket, a basket handle and a pressure spring;

[0015] The basket positioning seat is fixed at the end of the basket tube;

[0016] The basket tube is arranged in the fourth channel and is positioned by the basket positioning seat;

[0017] The basket handle is connected to the endoscope retrieval basket via a pull rod, the pull rod is inserted into the basket tube and the endoscope retrieval basket extends out of the fourth channel;

[0018] The pressure spring is sleeved on the pull rod and its two ends are respectively abutted between the net basket positioning seat and the net basket handle.

[0019] It is further preferred that: an adjusting nut seat, an adjusting bolt and a fixing silica gel are provided on the side of the multi-channel seat;

[0020] The side of the multi-channel seat is provided with an adjustment guide protrusion;

[0021] The adjusting guide protrusion is inserted into the adjusting nut seat and limited by a nail. The adjusting bolt is rotated to make the fixed silicone move on the adjusting guide protrusion and abut against the side of the USB light source video head for positioning.

[0022] It is further preferred that: the endoscope extraction basket is a cross-shaped metal basket.

[0023] The utility model has positive effects: the structure of the utility model is reasonably arranged, and a multi-channel tube body is provided with a multi-channel seat, and a USB light source video head and a retrieval net basket component can be inserted at the same time, so that endoscopic inspection and net basket retrieval operations can be realized, and a suction joint and a water spray joint are arranged on the multi-channel seat, so suction or water spray cleaning operations can also be realized. The overall functions are diverse, the operation is convenient, the use is stable and reliable, and the applicability and practicality are strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0025] Figure 1 It is a structural schematic diagram of the utility model;

[0026] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0027] Figure 3 It is a schematic diagram of the specific structure of the multi-channel tube seat in the utility model;

[0028] Figure 4 It is a schematic diagram of the specific structure of the object-taking net basket assembly in the utility model.

[0029] Figure numerals: USB light source video head 1, picking basket assembly 2, basket tube 21, basket positioning seat 22, endoscope picking basket 23, basket handle 24, pressure spring 25, multi-channel tube body 3, multi-channel seat 4, catheter head 5, first channel 6, second channel 7, third channel 8, fourth channel 9, connecting cavity 10, first through hole 11, second through hole 12, suction connector 13, water spray connector 14, insertion hole 15, insertion column 16, adjusting nut seat 17, adjusting bolt 18, fixing silicone 19, adjusting guide protrusion 20. DETAILED DESCRIPTION

[0030] 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.

[0031] Example

[0032] See Figures 1 to 4 As shown, a multi-channel injection suction retraction catheter structure includes a USB light source video head 1 and a retrieval basket assembly 2, and also includes a multi-channel tube body 3, a multi-channel seat 4 arranged at the end of the multi-channel tube body and a catheter head 5 arranged at the other end of the multi-channel tube body; in this embodiment, the USB light source video head is a conventional structure of the prior art, so it is not described in detail;

[0033] At the same time, in this embodiment, the multi-channel tube body includes a first channel 6, a second channel 7, a third channel 8 and a fourth channel 9 arranged in parallel; in actual application, a connecting cavity 10 is arranged on the end face of the multi-channel seat, and a first through hole 11, a second through hole 12, a suction joint 13 and a water spray joint 14 connected to the connecting cavity are arranged on the multi-channel seat; in actual application, the end of the multi-channel tube body is inserted in the connecting cavity and fixed by a positioning structure; when installed and used, the suction joint is connected to the first channel, the water spray joint is connected to the second channel, the first through hole is connected to the third channel, and the second through hole is connected to the fourth channel; and the USB light source video head is inserted into the third channel through the first through hole, and the picking net basket assembly is inserted into the fourth channel through the second through hole and the end extends out of the catheter head.

[0034] In this embodiment, the multi-channel tube body is also provided with a plurality of insertion holes 15; the top surface of the catheter head is integrally formed with an insertion clamping column 16 that matches the insertion holes; during installation, the catheter head is attached to the end of the multi-channel tube body, and the insertion clamping column is clamped into the insertion hole and fixed. The above structure can improve the convenience of installation and the reliability of stable installation.

[0035] And in actual application, the catheter head is provided with a plurality of avoidance holes respectively matching with the first channel, the second channel, the third channel and the fourth channel.

[0036] The basket assembly 2 includes a basket tube 21, a basket positioning seat 22, an endoscope basket 23, a basket handle 24 and a pressure spring 25. In this embodiment, the endoscope basket is a cross-shaped metal basket. During installation, the basket positioning seat is fixed to the end of the basket tube. The basket tube is arranged in the fourth channel and positioned by the basket positioning seat. The basket handle is connected to the endoscope basket through a pull rod, which is passed through the basket tube and the endoscope basket extends out of the fourth channel. The pressure spring is sleeved on the pull rod and its two ends are respectively abutted between the basket positioning seat and the basket handle. When in use, the endoscopic retrieval basket is inserted into the opening of the human brain tube together with the multi-channel tube body, and a visual retraction operation is performed through a USB light source video head. At the same time, the basket handle can be used to pull the endoscopic retrieval basket to remove stones or blood clots or clamp foreign objects, thereby improving the convenience of operation, making the overall function diverse and practical.

[0037] In actual application, the side of the multi-channel seat is provided with an adjustment nut seat 17, an adjustment bolt 18 and a fixing silicone 19; during installation, the side of the multi-channel seat is provided with an adjustment guide protrusion 20; the adjustment guide protrusion is inserted into the adjustment nut seat and limited by a nail, and the adjustment bolt rotates to make the fixing silicone move on the adjustment guide protrusion and abut against the side of the USB light source video head for positioning. Through the above structure, the installation and positioning of the USB light source video head can be quickly realized, the operation is convenient, and the use is stable and reliable.

[0038] The utility model has positive effects: the structure of the utility model is reasonably arranged, and a multi-channel tube body is provided with a multi-channel seat, and a USB light source video head and a retrieval net basket component can be inserted at the same time, so that endoscopic inspection and net basket retrieval operations can be realized, and a suction joint and a water spray joint are arranged on the multi-channel seat, so suction or water spray cleaning operations can also be realized. The overall functions are diverse, the operation is convenient, the use is stable and reliable, and the applicability and practicality are strong.

[0039] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0040] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A multi-channel injection suction retraction catheter structure, including a USB light source video head and a retrieval basket assembly, characterized in that: It also includes a multi-channel tube body, a multi-channel seat arranged at the end of the multi-channel tube body, and a catheter head arranged at the other end of the multi-channel tube body; The multi-channel tube body comprises a first channel, a second channel, a third channel and a fourth channel arranged in parallel; A connecting cavity is arranged on the end surface of the multi-channel seat, and a first through hole, a second through hole, a suction joint and a water spray joint which are in communication with the connecting cavity are arranged on the multi-channel seat; The end of the multi-channel tube body is inserted into the connecting cavity and fixed by a positioning structure; The suction joint is connected to the first channel, the water spray joint is connected to the second channel, the first through hole is connected to the third channel, and the second through hole is connected to the fourth channel; The USB light source video head is inserted into the third channel through the first through hole, and the object-taking basket assembly is inserted into the fourth channel through the second through hole with the end thereof extending out of the catheter head.

2. A multi-channel injection suction retraction catheter structure according to claim 1, characterized in that: The multi-channel tube body is also provided with a plurality of insertion holes; The top surface of the catheter head is integrally formed with an insertion clamping column that matches the insertion hole; The catheter head is attached to the end of the multi-channel tube body, and the insertion clamp is inserted into the insertion hole and fixed.

3. A multi-channel injection suction retraction catheter structure according to claim 2, characterized in that: The catheter head is provided with a plurality of avoidance holes respectively matching with the first channel, the second channel, the third channel and the fourth channel.

4. A multi-channel injection suction retraction catheter structure according to claim 1, characterized in that: The object-retrieving basket assembly comprises a basket tube, a basket positioning seat, an endoscope object-retrieving basket, a basket handle and a pressure spring; The basket positioning seat is fixed at the end of the basket tube; The basket tube is arranged in the fourth channel and is positioned by the basket positioning seat; The basket handle is connected to the endoscope retrieval basket via a pull rod, the pull rod is inserted into the basket tube and the endoscope retrieval basket extends out of the fourth channel; The pressure spring is sleeved on the pull rod and its two ends are respectively abutted between the net basket positioning seat and the net basket handle.

5. A multi-channel injection suction retraction catheter structure according to claim 1, characterized in that: The side of the multi-channel seat is provided with an adjusting nut seat, an adjusting bolt and a fixing silica gel; The side of the multi-channel seat is provided with an adjustment guide protrusion; The adjusting guide protrusion is inserted into the adjusting nut seat and limited by a nail. The adjusting bolt is rotated to make the fixed silicone move on the adjusting guide protrusion and abut against the side of the USB light source video head for positioning.

6. A multi-channel injection suction retraction catheter structure according to claim 4, characterized in that: The endoscope extraction basket is a cross-shaped metal basket.

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