CN211749474U

CN211749474U - Endoscope catheter for separating channels

Info

Publication number: CN211749474U
Application number: CN201922502852.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Hunan Vathin Medical Instrument Co Ltd
Current assignee: Hunan Vathin Medical Instrument Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-27
Anticipated expiration: 2029-12-30

Abstract

The utility model belongs to the technical field of the endoscope, concretely relates to endoscope pipe of separation passageway. The technical scheme is as follows: an endoscope catheter for separating channels comprises an inner tube, an intermediate layer and a heat shrinkable tube which are sequentially arranged from inside to outside, wherein a plurality of separated channels are arranged in the inner tube; the intermediate layer comprises a threaded tube and a braided tube which are connected with each other. The utility model provides an endoscope conduit with simple structure and capable of separating channels.

Description

Endoscope catheter for separating channels

Technical Field

The utility model belongs to the technical field of the endoscope, concretely relates to endoscope pipe of separation passageway.

Background

An endoscope is a commonly used medical instrument and consists of a bendable part, a light source and a group of lenses. Enter the human body through natural orifices of the human body or small incisions made by operation. When in use, the endoscope is introduced into the pre-examined organ, and the change of the relevant part can be directly observed. The quality of the image directly affects the using effect of the endoscope and also marks the development level of the endoscope technology. The earliest endoscopes were applied to rectal examination. The doctor inserts a hard tube into the anus of the patient and observes the pathological changes of the rectum by means of the brightness of the candle. This method has limited diagnostic data available, is painful for the patient, and poses a significant risk of perforation due to the rigid apparatus. Because of these shortcomings, endoscopy continues to be used and developed, and many different uses and types of instruments are being designed.

The utility model patent application No. CN201821216956.5 discloses a pipe structure and endoscope of endoscope, including pipe body, dielectric layer, first conductor and second conductor. The pipe body is internally provided with an installation cavity extending along the circumferential direction of the pipe body; the dielectric layer is filled in the cavity; the first conductors and the second conductors are respectively inserted in the dielectric layer, and all the first conductors and all the second conductors are distributed on two sides of the radial axis of the pipe body; the medium layer is made of photosensitive materials or temperature sensing materials, and the first conductor and the second conductor are made of light guide materials or heat conduction materials. The endoscope comprises the above-mentioned catheter structure. When the dielectric layers receive heat or light sources, the hardness of the dielectric layers is reduced, and the first region and the second region of the conduit structure have different hardness only when the dielectric layers of the first region where all the first conductors are located and the dielectric layers of the second region where all the second conductors are located receive different heat or illumination, so that the bending angle of the conduit is adjusted on line.

The end of the existing endoscope conduit is provided with a coil pipe, and the bending of the coil pipe is controlled by pulling a steel wire rope, so that the end of the conduit can be controlled to be integrally bent, and the conduit can be ensured to move towards the accurate direction. The coil is required to be connected with a threaded pipe so as to ensure that the coil is reliably supported and accurately bent. The structure is complex and the production process is difficult. And the inside of pipe is located to the apparatus passageway pipe box, and camera and light source subassembly are all installed in the pipe, lead to each apparatus in the pipe to interfere each other, and the position of pipe is unstable, is difficult to guarantee that the apparatus accurately removes.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the present invention is directed to an endoscope catheter with simple structure and capable of separating channels.

The utility model discloses the technical scheme who adopts does:

an endoscope catheter for separating channels comprises an inner tube, an intermediate layer and a heat shrinkable tube which are sequentially arranged from inside to outside, wherein a plurality of separated channels are arranged in the inner tube; the intermediate layer comprises a threaded tube and a braided tube which are connected with each other.

Preferably, the two sides of the inner pipe are both provided with a stay wire groove, a stay wire for pulling the inner pipe to bend is arranged in the stay wire groove, and one end of the stay wire is fixed with the end part of the inner pipe.

Preferably, the material of the inner tube is one of TPE, TPU, PU, PTFE, LDPE, HDPE, PEBAX, PE, EVA, PVC, PET.

Preferably, the braided tube is a flat wire braided tube.

Preferably, the pull line is a steel wire rope.

Preferably, a light source assembly and a camera are respectively arranged in the inner tube, and the light source assembly and the camera are close to the end part of the inner tube.

Preferably, the number of the light source assemblies is two, and the two light source assemblies are respectively arranged on two sides of the camera.

Preferably, the light source assembly is an LED lamp.

The utility model has the advantages that:

1. the utility model discloses only set up inner tube, intermediate level, pyrocondensation pipe, no longer need set up the coil, simplified the structure. The inner tube is integrally formed, and a plurality of channels are reserved in the inner tube, so that various instruments can respectively extend into the inner tube from different channels, and the interference among the instruments is avoided. The channel is directly arranged in the inner tube, so that the condition that the position of the channel tube is easy to deviate when the channel tube sleeve is arranged in the catheter is avoided. When each instrument passes through the channel of the utility model, the moving direction of the instrument is changed to be controlled. The middle layer comprises a threaded pipe and a braided pipe which are connected with each other, the threaded pipe can be correspondingly bent, and then one section of the conduit, which is internally provided with the threaded pipe, can be accurately bent, so that the bending of the end part of the conduit is conveniently controlled.

2. The end part of the inner pipe can replace the function of a coil pipe, when the stay wire is pulled, the stay wire drives the end part of the inner pipe to bend, and then the end part of the catheter can be integrally bent, so that the catheter can move towards the accurate direction. Through the bending of control pipe, the pipe can accurate direction, and does not use the coil pipe, makes the utility model discloses the structure is simplified.

3. The inner tube is made of one of TPE, TPU, PU, PTFE, LDPE, HDPE, PEBAX, PE, EVA, PVC and PET, has good flexibility and can be conveniently controlled to bend. When the material of inner tube was any one of the above-mentioned, the convenient reservation passageway of branch of academic or vocational study among the inner tube forming process, then the utility model discloses no longer need set up the passageway pipe in addition, further simplified the structure.

4. The flat wire braided tube can play a better supporting role, and avoids the utility model discloses a condition that the pipe sinks. The flat wire braided tube has certain strength, so that the catheter is reinforced, and the condition of catheter damage is reduced. The flat wire braided tube can protect the inner tube and prolong the service life of the inner tube.

5. The stay wire is a steel wire rope, so that the stay wire has certain strength, and the condition of breakage of the stay wire is avoided. The stay wire made of the steel wire rope can be reliably connected with the end part of the inner pipe, when the steel wire rope is pulled, the end part of the inner pipe can be accurately bent, the threaded pipe cannot block the bending of the inner pipe, and one end of the end part of the guide pipe can be integrally bent, so that the moving direction of the guide pipe is conveniently controlled.

6. The light source subassembly can provide the light source to the camera, and then the camera can be shot the human tissue of catheter tip position, makes things convenient for medical staff to observe in real time, the convenient abnormal conditions who in time discovers human tissue.

7. Two light source subassemblies are located the both sides of camera respectively, and then the camera can acquire sufficient light, guarantees the clarity of camera shooting picture. Human tissue reflects sufficient light to the camera in, the picture luminance that then the camera was shot is enough, makes things convenient for medical personnel to shoot the picture according to the camera and carries out the analysis to pathological change.

8. The light source subassembly is the LED lamp, and then the LED lamp can provide reliable light source, guarantees that the camera can provide sufficient light, guarantees that the camera can shoot clear picture.

The advantages of the invention are not limited to the description, but rather are described in greater detail in the detailed description for better understanding.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a schematic view of a structure of a threaded pipe.

In the figure: 1-inner tube; 2-an intermediate layer; 3-heat shrink tube; 4-a stay wire; 5-a light source assembly; 6-a camera; 21-a threaded pipe; 22-braided tube; 31-channel; 32-wire drawing groove.

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 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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 3, the endoscope catheter of the present embodiment includes an inner tube 1, an intermediate layer 2, and a heat shrinkable tube 3, which are sequentially disposed from inside to outside, wherein a plurality of separated channels 31 are disposed in the inner tube 1; the intermediate layer 2 comprises a threaded tube 21 and a braided tube 22 connected to each other.

The utility model discloses only set up inner tube 1, intermediate level 2, pyrocondensation pipe 3, no longer need set up the coil, simplified the structure. The inner tube 1 is integrally formed, and a plurality of channels 31 are reserved in the inner tube 1, so that various instruments can respectively extend into the inner tube from different channels 31, and the interference among the instruments is avoided. The channel 31 is directly arranged in the inner pipe 1, so that the situation that the position of the channel 31 pipe is easy to deviate when the channel 31 pipe is sleeved in the guide pipe is avoided. When each instrument passes through the channel 31 of the utility model, the moving direction of the instrument is easier to control. The middle layer 2 comprises a threaded pipe 21 and a braided pipe 22 which are connected with each other, the threaded pipe 21 can be correspondingly bent, and a section of the conduit pipe, in which the threaded pipe 21 is arranged, can be accurately bent, so that the bending of the end part of the conduit pipe is conveniently controlled.

Furthermore, the two sides of the inner pipe 1 are both provided with a stay wire groove 32, a stay wire 4 for pulling the inner pipe 1 to bend is arranged in the stay wire groove 32, and one end of the stay wire 4 is fixed with the end part of the inner pipe 1.

The end part of the inner pipe 1 can replace the function of a coil pipe, when the stay wire 4 is pulled, the stay wire 4 drives the end part of the inner pipe 1 to be bent, and then the end part of the catheter can be integrally bent, so that the catheter can move towards the accurate direction. Through the bending of control pipe, the pipe can accurate direction, and does not use the coil pipe, makes the utility model discloses the structure is simplified.

Furthermore, the material of inner tube 1 is one of TPE, TPU, PU, PTFE, LDPE, HDPE, PEBAX, PE, EVA, PVC, PET, and inner tube 1 is pliability better, can conveniently control its bending. When the material of inner tube 1 was any one of the above-mentioned, the convenient reservation passageway 31 of branch of academic or vocational study in 1 forming process of inner tube, then the utility model discloses no longer need set up 31 pipes of passageway in addition, further simplified the structure.

Further, the braided tube 22 is a flat wire braided tube 22. The flat wire braided tube 22 can play a better supporting role, avoiding the utility model discloses a condition that the pipe sinks. The flat wire braided tube 22 has a certain strength, so that the catheter is reinforced, and the condition of catheter breakage is reduced. The flat wire braided tube 22 can protect the inner tube 1, and the service life of the inner tube 1 is prolonged.

Further, the pulling wire 4 is a steel wire rope. The stay wire 4 is a steel wire rope, so that the stay wire 4 has certain strength, and the condition that the stay wire 4 is broken is avoided. The stay wire 4 made of the steel wire rope can be reliably connected with the end part of the inner pipe 1, when the steel wire rope is pulled, the end part of the inner pipe 1 can be accurately bent, the threaded pipe 21 cannot block the bending of the inner pipe 1, and one end of the end part of the guide pipe can be integrally bent, so that the moving direction of the guide pipe is conveniently controlled.

Furthermore, a light source assembly 5 and a camera 6 are respectively arranged in the inner pipe 1, and the light source assembly 5 and the camera 6 are close to the end part of the inner pipe 1. Light source subassembly 5 can provide the light source to camera 6, then camera 6 can shoot the human tissue of catheter tip position, makes things convenient for medical staff to observe in real time, the convenient abnormal conditions who in time discovers human tissue.

Preferably, the number of the light source assemblies 5 is two, and the two light source assemblies 5 are respectively arranged at two sides of the camera 6. Two light source subassemblies 5 divide and locate the both sides of camera 6, then camera 6 can acquire sufficient light, guarantees the clarity of camera 6 shooting picture. Human tissue reflects sufficient light to camera 6 in, then the picture luminance that camera 6 was shot is enough, makes things convenient for medical personnel to shoot the picture according to camera 6 and carries out the analysis to the pathological change.

Further, the light source assembly 5 is an LED lamp. The light source component 5 is an LED lamp, so that the LED lamp can provide a reliable light source, the camera 6 can provide enough light, and the camera 6 can shoot clear pictures.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A divided channel endoscopic catheter characterized by: comprises an inner tube (1), an intermediate layer (2) and a heat shrinkable tube (3) which are arranged from inside to outside in sequence, wherein a plurality of separated channels (31) are arranged in the inner tube (1); the intermediate layer (2) comprises a threaded tube (21) and a braided tube (22) which are connected with each other.

2. A divided channel endoscopic catheter as claimed in claim 1, wherein: the inner tube is characterized in that wire drawing grooves (32) are formed in the two sides of the inner tube (1), a wire drawing (4) used for drawing the inner tube (1) to be bent is arranged in the wire drawing grooves (32), and one end of the wire drawing (4) is fixed to the end portion of the inner tube (1).

3. A divided channel endoscopic catheter as claimed in claim 1, wherein: the inner tube (1) is made of one of TPE, TPU, PU, PTFE, LDPE, HDPE, PEBAX, PE, EVA, PVC and PET.

4. A divided channel endoscopic catheter as claimed in claim 1, wherein: the braided tube (22) is a flat wire braided tube (22).

5. A divided channel endoscopic catheter as claimed in claim 2, wherein: the pull wire (4) is a steel wire rope.

6. A divided channel endoscopic catheter as claimed in claim 1, wherein: install light source subassembly (5), camera (6) in inner tube (1) respectively, light source subassembly (5) and camera (6) are close to the tip of inner tube (1).

7. A divided channel endoscopic catheter as claimed in claim 6, wherein: the quantity of light source subassembly (5) is two, and two light source subassemblies (5) are located the both sides of camera (6) branch.

8. A divided channel endoscopic catheter as claimed in claim 6, wherein: the light source component (5) is an LED lamp.