CN216777212U

CN216777212U - Novel minimally invasive endoscopic surgery instrument

Info

Publication number: CN216777212U
Application number: CN202123225129.7U
Authority: CN
Inventors: 张烁; 周添; 张群杰
Original assignee: Hunan Keyi Zhitou Biotechnology Co ltd; Zhejiang Chinese Medicine University ZCMU
Current assignee: Hunan Keyi Zhitou Biotechnology Co ltd; Zhejiang Chinese Medicine University ZCMU
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-21
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a novel minimally invasive endoscopic surgical instrument which comprises a handle, wherein a sliding block is inserted and connected into the handle, a clamp is inserted and connected into the sliding block in a buckling manner, the tail end of the handle is connected with a rotary joint through plastic elasticity extrusion of a plastic part, a pre-buried injection molded nut is arranged in the rotary joint, and the nut is connected with an electrode connector through a knob. According to the novel resection instrument, the injection or smoking functional component is additionally arranged on the basis of the resection functional component, so that the injection bulging process can be performed before the tissue is sleeved by the sleeve of the resection functional component, the tissue can be quickly and accurately sleeved, smoke generated by vaporization of the tissue can be connected in the resection operation process, smoking accessory equipment can be connected in the operation process, the influence degree of the smoke on the operation is reduced, the operation reliability of the polypectomy instrument is effectively improved, and the working efficiency and the safety are improved.

Description

Novel minimally invasive endoscopic surgery instrument

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a novel minimally invasive endoscopic surgical instrument.

Background

The polyp or tumor resection instrument is mainly used for resection of various polyps and redundant tissues under an endoscope in cooperation with high-frequency electricity, wherein the polyp resection instrument is commonly used as a snare, particularly an instrument for tightening a sliding knot which is formed by using an absorbable line or a synthetic line in advance by using a nylon rod to ligate a blood vessel, a polyp or other pipeline structures, is convenient to operate and is applied to various laparoscopic abdominal operations, however, when the conventional resection instrument is operated, the condition of tissue slippage can occur in the process of sheathing a lesion tissue by a loop, the loop needs to be looped for multiple times, and the diagnosis and the resection degree of resection cannot be visually judged under a smog large endoscope in the resection process, the operation time is long, and the operation effect is influenced.

Therefore, a clinical urgent need exists for a safe and quick medical cutting instrument to replace the conventional cutting instrument.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel minimally invasive endoscopic surgical instrument to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel minimally invasive endoscopic surgery instrument comprises a handle, wherein a slider is connected to the inside of the handle in an inserting manner, a clamp is connected to the inside of the slider in an inserting manner, the tail end of the handle is connected with a rotary joint through plastic elastic extrusion of a plastic part, a pre-buried injection molding nut is arranged in the rotary joint and connected with an electrode joint through a knob, a transparent outer tube is fixedly arranged at one end of the inside of the handle, a sleeve is connected to the inside of the transparent outer tube in a penetrating manner, the tail end of the sleeve is connected with a connecting tube, the tail end of the connecting tube is connected with a steel wire inhaul cable, a needle head is fixedly arranged at the tail part of the transparent outer tube, one end of the steel wire inhaul cable is connected with a boosting tube, an injection inner tube is movably connected to the inside of the sleeve, a Y-shaped joint is connected to the surface of the boosting tube and the steel wire inhaul cable in an inserting manner, and injection luer joint is movably arranged on the surface of the Y-shaped joint, and a smoke absorbing pipe is movably arranged at the end part of the injection luer connector.

Preferably, the ring sleeve slides up and down under the traction of the steel wire inhaul cable to form a half moon shape and a straight strip shape.

Preferably, the transparent outer tube is formed by arranging two channels, and the two channels are isolated from each other.

Preferably, the boosting pipe penetrates through the Y-shaped joint, the rotary joint, the handle and the clamp to be connected in an inserting mode after being connected with the steel wire inhaul cable.

Preferably, the tail end of the handle is connected with the rotary joint through plastic elasticity extrusion of the plastic part, so that the rotary joint has a rotating function.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the novel resection instrument, the injection or smoking functional component is additionally arranged on the basis of the resection functional component, so that the injection bulging process can be performed before the tissue is sleeved by the sleeve of the resection functional component, the tissue can be quickly and accurately sleeved, smoke generated by vaporization of the tissue can be connected in the resection operation process, smoking accessory equipment can be connected in the operation process, the influence degree of the smoke on the operation is reduced, the operation reliability of the polypectomy instrument is effectively improved, and the working efficiency and the safety are improved.

Drawings

FIG. 1 is an exploded view of the construction of the removal instrument of the present invention;

FIG. 2 is a schematic overall view of the construction of the removal instrument of the present invention.

In the figure: 1. a handle; 2. a slider; 3. a clip; 4. a rotary joint; 5. a nut; 6. an electrode tab; 7. a transparent outer tube; 8. a connecting pipe; 9. a needle head; 10. a steel wire inhaul cable; 11. a boosting pipe; 12. an injection inner tube; 13. a Y-shaped joint; 14. snaring; 15. injecting a luer connector; 16. a smoking pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a novel minimally invasive endoscopic surgery apparatus comprises a handle 1, wherein the tail end of the handle 1 is connected with a rotary joint 4 by plastic elastic extrusion of a plastic part, so that the rotary joint 4 has a rotation function, a slider 2 is inserted and connected inside the handle 1, a clip 3 is inserted and connected inside the slider 2, the tail end of the handle 1 is connected with the rotary joint 4 by plastic elastic extrusion of the plastic part, a pre-embedded injection-molded nut 5 is arranged inside the rotary joint 4, the nut 5 is connected with an electrode joint 6 by a knob, a transparent outer tube 7 is fixedly installed at one end inside the handle 1, the transparent outer tube 7 is formed by two-channel arrangement, two channels are isolated from each other, a snare 14 is inserted and connected inside the transparent outer tube 7, the snare 14 slides up and down under the traction of a steel wire inhaul cable 10 to form a half moon shape and a straight bar shape, the tail end of the snare 14 is connected with a connecting tube 8, the tail end of the connecting pipe 8 is connected with a steel wire inhaul cable 10, the tail part of the transparent outer pipe 7 is fixedly provided with a needle head 9, one end of the steel wire inhaul cable 10 is connected with a boosting pipe 11, the boosting pipe 11 is connected with the steel wire inhaul cable 10 and then penetrates through a Y-shaped joint 13, a rotary joint 4, a handle 1 and a clamp 3 to be connected in an inserting way, the inner part of the ring sleeve 14 is movably connected with an injection inner pipe 12, the surfaces of the boosting pipe 11 and the steel wire inhaul cable 10 are connected in an inserting way with a Y-shaped joint 13, the surface of the Y-shaped joint 13 is movably provided with an injection luer joint 15, the end part of the injection luer joint 15 is movably provided with a smoke absorbing pipe 16, through the provided novel excision instrument, an injection or smoke absorbing functional component is additionally arranged on the basis of the excision functional component, the injection uplift process can be carried out before the ring sleeve 14 of the excision functional component sleeves tissues, the tissues can be quickly and accurately sleeved, in the excision operation process, the smoke generated by the vaporization of the tissue can be absorbed by the smoke absorbing functional component to keep the endoscope to clearly observe the operation condition under direct vision, thereby effectively improving the reliability of the operation of the resection instrument and improving the working efficiency.

As can be seen, the present removal instrument is structurally composed of:

wherein, the handle 1, the slide block 2, the clip 3, the rotary joint 4, the nut 5, the electrode joint 6, the transparent outer tube 7, the connecting tube 8, the steel wire inhaul cable 10, the boosting tube 11, the Y-shaped joint 13 and the ring sleeve 14 form a cutting functional component in the cutting instrument.

The needle 9, the injection inner tube 12, the injection luer connector 15 and the smoking tube 16 are matched to form an injection or smoking functional component in the resection instrument.

The two functional components are combined together through a transparent outer tube 7 to form the resection instrument.

Therefore, the transparent outer tube 7 in this embodiment has a dual-channel structure, the two channels are not communicated with each other, and include a ring hole and an injection or smoking hole, the ring hole and the injection hole are symmetrically distributed in parallel, and the specific shapes of the two holes can be determined according to actual requirements.

On the basis, the excision function component in the excision instrument is composed as follows:

the handle 1, the slider 2, the clip 3, the rotary joint 4, the nut 5, the electrode joint 6 and the Y-shaped joint 13 form a head operating end in the cutting functional assembly.

And the transparent outer tube 7, the steel wire inhaul cable 10, the connecting tube 8, the boosting tube 11 and the ring sleeve 14 are matched to form a cutting operation end in the cutting function component.

On the basis, the design of the inner buckle and the groove edge on the handle 1 is arranged on the rotary joint 4, and the boosting tube 11 which is in pressing contact with the electrode joint 6 can rotate around the handle 1 by three hundred and sixty degrees, so that the adjustable angle is achieved in the ferrule operation, and the anti-winding effect is achieved when high-frequency equipment is connected.

The injection or smoking functional component in the resection instrument comprises the following components:

the injection luer connector 15 is connected with the injection inner tube 12; the inner injection tube 12 is connected with the needle 9; the Y-shaped joint 13 is inserted into an injection hole of the transparent outer tube 7, the assembly can be drawn out after injection is finished, the smoke suction tube 16 is connected with the knob of the Y-shaped joint 13, and the other end of the smoke suction tube 16 is connected with a smoking device, so that smoke influences the operation in the operation process.

The following further illustrates the present solution by specific application examples:

the sliding block 2 is sleeved on the handle 1 and can axially move relative to the handle 1, and the snare 14 can be pulled to enter and exit in the transparent outer tube 7, so that a cutting functional assembly is formed.

The excision function component formed by the steps and the injection or smoking function component form an accurate, rapid and safe excision instrument.

Firstly, the sliding block 2 is pulled back by using the index finger and the middle finger, the snare 14 is recovered into a snare hole in the transparent outer tube 7, then the injection functional component is used, the needle head 9 extends out of the injection hole, the focus position is injected, the flat focus position is raised to be beneficial to looping, and then the needle head 9 is retracted into the injection hole until the needle head leaves the Y-shaped joint 13; then, the snare 14 is extended out of the snare hole by using a component with a cutting function, polyp is sleeved on the snare at the position of the injection raised lesion, lesion tissues are cut, smoke is generated in the excision process, one end of a smoke suction pipe 16 is connected with a knob of the Y-shaped connector 13, the other end of the smoke suction pipe is connected with smoke suction equipment, and the smoke in the excision process is sucked.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel minimally invasive endoscopic surgical instrument comprises a handle (1), and is characterized in that: the inner part of the handle (1) is connected with a sliding block (2) in an inserting manner, the inner part of the sliding block (2) is connected with a clamp (3) in an inserting manner, the tail end of the handle (1) is connected with a rotary joint (4) by plastic elastic extrusion of a plastic part, a pre-buried injection molding nut (5) is arranged in the rotary joint (4), the nut (5) is connected with an electrode joint (6) through a knob, one end of the inner part of the handle (1) is fixedly provided with a transparent outer tube (7), the inner part of the transparent outer tube (7) is connected with a ring (14) in an inserting manner, the tail end of the ring (14) is connected with a connecting tube (8), the tail end of the connecting tube (8) is connected with a steel wire inhaul cable (10), the tail part of the transparent outer tube (7) is fixedly provided with a needle head (9), one end of the steel wire inhaul cable (10) is connected with a boosting tube (11), the inner part of the ring sleeve (14) is movably connected with an injection inner tube (12), the surfaces of the boosting tube (11) and the steel wire inhaul cable (10) are connected with a Y-shaped joint (13) in a penetrating mode, the surface of the Y-shaped joint (13) is movably provided with an injection luer joint (15), and the end part of the injection luer joint (15) is movably provided with a smoke suction tube (16).

2. The novel minimally invasive endoscopic surgical instrument according to claim 1, wherein: the snare (14) slides up and down under the traction of the steel wire inhaul cable (10) to form a half-moon shape and a straight bar shape.

3. The novel minimally invasive endoscopic surgical instrument according to claim 1, characterized in that: the transparent outer tube (7) is formed by arranging two channels, and the two channels are isolated from each other.

4. The novel minimally invasive endoscopic surgical instrument according to claim 1, characterized in that: the boosting pipe (11) is connected with the steel wire inhaul cable (10) and then penetrates through the Y-shaped joint (13), the rotary joint (4), the handle (1) and the clamp (3) to be connected in a penetrating mode.

5. The novel minimally invasive endoscopic surgical instrument according to claim 1, wherein: the tail end of the handle (1) is connected with the rotary joint (4) through plastic elasticity extrusion of a plastic piece, so that the rotary joint (4) has a rotating function.