CN216536457U

CN216536457U - Semi-rigid insertion tube and endoscope

Info

Publication number: CN216536457U
Application number: CN202122492814.XU
Authority: CN
Inventors: 雷鸣; 曾宪浩
Original assignee: Zhuhai Seesheen Medical Technology Co ltd
Current assignee: Zhuhai Seesheen Medical Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-17
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a semi-hard type intubation tube and an endoscope, aiming at solving the problem that the full-soft type intubation tube or the full-hard type intubation tube is commonly adopted when the endoscope is inserted in the field of medical instruments. The semi-rigid intubation can support the tracheal catheter and can properly adjust the visual field angle of the front end.

Description

Semi-rigid insertion tube and endoscope

Technical Field

The utility model relates to medical equipment, in particular to a semi-rigid insertion tube and an endoscope.

Background

At present, a full-soft type intubation tube or a full-hard type intubation tube is commonly adopted in the industry of a trachea intubation endoscope. Fully flexible intubation is suitable for difficult airway and nasal intubation, but does not support the endotracheal tube. The fully rigid intubation tube has support to the tracheal tube but cannot adjust the visual field angle of the head, and the glottis of a patient with a difficult airway is difficult to find quickly.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a semi-rigid intubation tube which can support a tracheal catheter and can properly adjust the visual field angle of the front end.

The utility model also provides an endoscope with the semi-rigid insertion tube.

The semi-rigid insertion tube comprises a rigid part, a plastic part, a bending part and a tip, wherein one end of the rigid part is used for being connected with a handle of an endoscope, one end of the plastic part is connected with the other end of the rigid part, the plastic part can be bent into a preset shape, one end of the bending part is connected with the other end of the plastic part, one end of the tip is connected with the other end of the bending part, and the other end of the tip is used for receiving external information.

The semi-rigid cannula provided by the embodiment of the utility model has at least the following technical effects: rigid portion is hard pipeline section, can support endotracheal tube well, plastic portion can be crooked into predetermined shape (can keep this predetermined shape when not having great exogenic action) under the effect of external force (for example the hand is broken off with the fingers and thumb, mechanical bending), and the flexion can be crooked wantonly, the staff is crooked certain shape to the flexion through the angle handle of operating the endoscope handle, lock the flexion through the angle, make the shape keep unchangeable, effect through plastic portion and flexion, can let the terminal first head home range of motion of semi-hard formula intubate become very big, thereby adjust the field of vision angle of first end in a flexible way, make the first end receive more useful information.

According to some embodiments of the utility model, the ductile portion is a 304 stainless steel pipe after an annealing process.

According to some embodiments of the utility model, the ductile portion is a gooseneck.

According to some embodiments of the utility model, the curved portion is a snake bone.

According to some embodiments of the utility model, the tip is provided with at least one of a camera, a spectroscopic detection tip, a sonic detection tip, a temperature sensor, and a pressure sensor.

An endoscope according to an embodiment of the second aspect of the present invention includes an endoscope handle and the above-described semi-rigid insertion tube, and the one end of the rigid portion is connected to the endoscope handle.

The endoscope according to the embodiment of the utility model has at least the following technical effects: the semi-rigid intubation tube can support the tracheal catheter and can properly adjust the visual field angle of the tip.

According to some embodiments of the utility model, the endoscope handle is provided with an angle adjustment mechanism for controlling the bending of the bending portion and an angle locking mechanism for disabling the bending portion from being bent any more.

According to some embodiments of the utility model, the angle adjusting mechanism comprises an angle handle, the angle locking mechanism comprises an angle locking handle, the angle handle drives the bending part to bend through the traction wire, and the angle locking handle is used for fixing the traction wire.

According to some embodiments of the utility model, further comprising an endotracheal tube sleeved over the semi-rigid insertion tube.

According to some embodiments of the utility model, the tracheal catheter further comprises a fixing mechanism connected to the rigid part, the fixing mechanism is used for fixing the tracheal catheter, the fixing mechanism is provided with a connecting channel, one end of the connecting channel is connected with the tracheal catheter, and the other end of the connecting channel is used for connecting a gas transmission mechanism.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall assembly of an endoscope in accordance with an embodiment of the present invention;

FIG. 2 is a front view of the endoscope shown in FIG. 1;

FIG. 3 is a perspective view of the endoscope of FIG. 1 with its outer links and locking cap disconnected.

Reference numerals are as follows:

a rigid portion 100;

a moldable portion 200;

a bending part 300;

first end head 400;

an endoscope handle 500;

the fixing mechanism 600, the outer connecting piece 610, the connecting channel 611, the input port 611a, the output port 611b, the claws 620 and the locking cover 630;

an angle knob 700;

angle locking handle 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "pointed", "inner", "outer", "axial", "radial", "circumferential", etc., are given with reference to the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, the sidewall means a left sidewall and/or a right sidewall.

In the description of the present invention, "a plurality" means two or more, "more than", "less than", "more than", and the like are understood as excluding the present number, and "more than", "less than", "in", and the like are understood as including the present number. If the description of "first" and "second" is used for the purpose of distinguishing technical features, the description is not intended to indicate or imply relative importance or to implicitly indicate the number of the indicated technical features or to implicitly indicate the precedence of the indicated technical features.

In the description of the present invention, it should be understood that "a is disposed on B" and "a is disposed on B" merely represent the connection relationship between a and B, and do not represent that a is above B.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "bolted" and "screwed" are equally interchangeable. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

Referring to fig. 1, 2 and 3, the semi-rigid insertion tube according to the embodiment of the present invention includes a rigid portion 100, a plastic portion 200, a bending portion 300 and a tip 400, wherein one end of the rigid portion 100 is used for connecting an endoscope handle 500, one end of the plastic portion 200 is connected to the other end of the rigid portion 100, the plastic portion 200 can be bent into a predetermined shape, one end of the bending portion 300 is connected to the other end of the plastic portion 200, one end of the tip 400 is connected to the other end of the bending portion 300, and the other end of the tip 400 is used for receiving external information.

The rigid part 100 is a hard pipe section and can well support the endotracheal tube, the plastic part 200 can be bent into a preset shape under the action of external force (such as hand breaking and mechanical bending) (the preset shape can be kept without the action of large external force), the bending part 300 can be bent at will, a worker can bend the bending part 300 into a certain shape by operating the angle handle 700 of the endoscope handle 500, the bending part 300 is locked by the angle locking handle 800, the shape is kept unchanged, and the moving range of the tip 400 at the tail end of the semi-hard type intubation tube can be enlarged through the action of the plastic part 200 and the bending part 300, so that the view angle of the tip 400 can be flexibly adjusted, and more useful information can be received by the tip 400. It is to be understood that the rigid portion 100 is typically a stainless steel tube, and the plasticity of the plastic portion 200 may be imparted by the nature of the material comprising the portion, such as an annealed steel tube, or by the structure of the portion, such as a gooseneck structure. It should be understood that the bending portion 300 may also be bent to a predetermined shape under the action of external force, but when there is no external force, the bending portion 300 cannot keep the property unchanged, so the bending portion 300 and the moldable portion 200 are not the same, and the bending portion 300 may be a snake bone structure commonly used in endoscopes, a foldable and compressible structure, or other structures, for example, both sides of the bending portion 300 may be inflated and deflated, and are not connected to each other, and one side is inflated and one side is deflated, so that the bending portion 300 can be bent. It is understood that the rigid portion 100, the malleable portion 200, and the bendable portion 300 are all part of a semi-rigid cannula and are therefore all tubular structures. It should be understood that the information detecting or receiving device is generally disposed in the tip 400 for detecting or receiving external information, and the information received by the tip 400 is generally human body information, which is directly or indirectly transmitted to the doctor, so that the doctor can diagnose diseases according to the information.

Referring to fig. 1, 2 and 3, in some embodiments of the utility model, the ductile portion 200 is a 304 stainless steel pipe that has been annealed.

The 304 stainless steel is a common material in stainless steel, has good processing performance and high toughness, and is widely used in the food and medical industry. Therefore, the 304 stainless steel tube can be used in medical instruments, and the 304 stainless steel tube has good processing performance and is convenient to process. After the 304 stainless steel pipe is annealed, the steel pipe becomes soft and the plasticity is improved, so that the steel pipe can be bent under the action of external force. In practical use, the catheter is bent to a specific shape by a doctor, is suitable for the shape of a human body pipeline and is convenient to insert into a human body.

Referring to fig. 1, 2 and 3, in some embodiments of the utility model, the ductile portion 200 is a gooseneck.

Referring to Baidu encyclopedia of gooseneck, the gooseneck is also called as a coil pipe and a metal shaping hose, is a metal piece which can be bent at will and determines the direction, and is often used in the aspects of lighting table lamps, medical use and the like. Gooseneck is a common structure commonly used in table lamps. The gooseneck is a composite metal tube coated by a metal spring steel wire, spiral grains are arranged outside the hollow gooseneck, electric wires with certain sizes can penetrate through the tube holes, the gooseneck can be bent into a hose with certain shape at will in a three-dimensional space and can keep the shape of the hose, the length and the size of the hose are basically stable during bending, the hose after bending has certain supporting force and can support objects with certain weight, and the supporting force is controllable within a certain range. It can be bent into a predetermined shape by an external force when the moldable portion 200 is a gooseneck and can maintain the shape without other external forces.

Referring to fig. 1, 2 and 3, in some embodiments of the utility model, the bend 300 is a snake bone.

The snake bone is a common structure in the endoscope, the bent part 300 is made of the snake bone, and the technology is mature, so that the snake bone is convenient to produce or purchase.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the tip 400 is provided with at least one of a camera, a spectral detection tip, a sonic detection tip, a temperature sensor, and a pressure sensor.

The tip 400 needs to detect or receive information from the inside of the body, which is convenient for the doctor to diagnose. The camera can shoot image information; the sound wave detection end can send sound waves and receive reflected sound waves for detection; the temperature sensor can receive the temperature information in the human body, find out the region with abnormal temperature, and carry out targeted observation and diagnosis; the pressure sensor can sense the hardness of the lesion area and carry out diagnosis by matching with other information.

Referring to fig. 1, 2 and 3, an endoscope according to an embodiment of the present invention includes an endoscope handle 500 and the semi-rigid insertion tube described above, and one end of the rigid portion 100 is connected to the endoscope handle 500.

The starting end of the semi-rigid insertion tube is typically mounted on the endoscope handle 500 and communicates with the internal channel of the endoscope handle 500. The semi-hard type insertion tube is arranged on the endoscope, so that a tracheal catheter can be supported, difficult air passages can be conveniently inserted, the visual field angle of the tip 400 can be enlarged, more parts in a human body can be detected, and a doctor can conveniently diagnose based on information of the endoscope.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the endoscope handle 500 is provided with an angle adjusting mechanism for bending the bending part 300 and an angle locking mechanism for making the bending part 300 not to be bent any more.

The angle adjusting mechanism can drive the bending part 300 to bend, and after the bending part 300 is bent to a proper angle, the angle adjusting mechanism on the endoscope handle 500 is locked through the angle locking mechanism, so that the bending part 300 can not be bent any more, and stable observation or operation can be conveniently carried out.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the angle adjusting mechanism includes an angle knob 700, the angle locking mechanism includes an angle locking knob 800, the angle knob 700 drives the bending part 300 to bend by the traction wire, and the angle locking knob 800 is used to fix the traction wire.

The angle handle 700 drives the bending part 300 to bend through the traction wire, so that the bending part 300 can drive the fore-end 400 to probe different parts of a human body and probe all around; when the endoscope is used for observing a focus or performing minimally invasive surgery, the traction wire is fixed through the angle locking handle 800, so that the traction wire does not move any more, and the shape of the bending part 300 is fixed. It should be understood that the angle knob 700 and the angle locking knob 800 are commonly used in endoscopes, and the detailed structure and operation thereof are not described herein.

Referring to fig. 1, 2 and 3, in some embodiments of the utility model, an endotracheal tube is further included that is sleeved over the semi-rigid insertion tube.

Endotracheal tubes are medical devices that are inserted into the trachea and/or bronchi of a patient to create a temporary artificial respiratory pathway for the patient, particularly for patients who are unable to breathe spontaneously. The semi-hard intubation is sleeved with a tracheal catheter, so that air can be supplied to a human body to assist the human body to breathe when an endoscope is used for diagnosis, and oxygen deficiency is prevented.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the present invention further includes a fixing mechanism 600, the fixing mechanism 600 is connected to the rigid portion 100, the fixing mechanism 600 is used for fixing the endotracheal tube, the fixing mechanism 600 is provided with a connecting channel 611, one end of the connecting channel 611 is connected to the endotracheal tube, and the other end of the connecting channel 611 is used for connecting the gas transmission mechanism.

The fixing mechanism 600 is pre-connected to the rigid portion 100, generally located at one end of the rigid portion 100 close to the endoscope handle 500, and does not hinder the semi-rigid insertion tube from being inserted into the human body during normal use, and can quickly fix the endotracheal tube when the endotracheal tube needs to be sleeved, thereby facilitating the use of a doctor. Compared with the existing endoscope without the fixing mechanism 600, the endoscope can fix the tracheal catheter more quickly, the gas transmission mechanism is convenient to communicate with the tracheal catheter, the fixed connection time is saved, and the intubation work can be quickly carried out on a patient with a difficult airway who breathes difficultly by matching with a semi-hard intubation structure, so that the life of the patient can be saved in a time-sharing manner. The air delivery mechanism is generally a breathing machine, the other end of the connecting channel 611 is communicated with the breathing machine through a pipeline, and one end of the connecting channel 611 is connected with the tracheal catheter, so that the tracheal catheter can be fixed.

It should be understood that the fastening mechanism 600 includes a fastening assembly for connecting a semi-rigid cannula and an outer connector 610, the outer connector 610 is connected to the fastening assembly, the outer connector 610 is provided with a connecting channel 611, an input port 611a of the connecting channel 611 is used for connecting a gas delivery mechanism, and an output port 611b of the connecting channel 611 is used for connecting an endotracheal tube.

It should be further understood that the fixing assembly includes a jaw 620 and a locking cover 630, the jaw 620 is connected with the outer link 610, the locking cover 630 is provided with an insertion through hole, the semi-rigid insertion tube passes through the insertion through hole to connect the outer communication channel fixing mechanism 600, and the jaw 620 can be inserted into the insertion through hole to clamp the semi-rigid insertion tube.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A semi-rigid cannula, comprising:

the rigid part is used for connecting an endoscope handle at one end;

the plastic part is connected with one end of the rigid part and can be bent into a preset shape;

a bending part, one end of which is connected with the other end of the plastic part;

the flexible connector comprises a first end head, wherein one end of the first end head is connected with the other end of the bending part, and the other end of the first end head is used for receiving external information.

2. The semi-rigid cannula of claim 1, wherein the ductile portion is an annealed 304 stainless steel tube.

3. The semi-rigid cannula of claim 1, wherein the moldable portion is a gooseneck.

4. The semi-rigid cannula of claim 1, wherein the bend is a snake bone.

5. The semi-rigid cannula of claim 1, wherein the tip is provided with at least one of a camera, a spectroscopic detection tip, a sonic detection tip, a temperature sensor, and a pressure sensor.

6. An endoscope, comprising:

the semi-rigid cannula of any one of claims 1-5;

an endoscope handle, the one end of the rigid portion being connected to the endoscope handle.

7. An endoscope according to claim 6 and wherein said endoscope handle is provided with an angle adjustment mechanism for controlling bending of said bending portion and an angle locking mechanism for disabling further bending of said bending portion.

8. The endoscope of claim 7, wherein the angle adjustment mechanism comprises an angle knob, and the angle locking mechanism comprises an angle locking knob, the angle knob causing the bending portion to bend via a pull wire, the angle locking knob being configured to secure the pull wire.

9. The endoscope of claim 6, further comprising an endotracheal tube that is sleeved over the semi-rigid insertion tube.

10. The endoscope of claim 9, further comprising a fixing mechanism connected to the rigid portion, the fixing mechanism for fixing the endotracheal tube, the fixing mechanism being provided with a connection channel, one end of the connection channel being connected to the endotracheal tube, and the other end of the connection channel being connected to a gas delivery mechanism.