CN219501800U - Visual guide wire with active steering function and liquid injection function - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, and particularly discloses a visual guide wire with an active steering function and a liquid injection function, which comprises an image conversion main board, wherein the front side of the image conversion main board is electrically connected with a signal transmission joint; a sheath tube is arranged on one side of the image conversion main board far away from the signal transmission connector; a camera is arranged in the sheath tube; the top end and the bottom end of the sheath tube are respectively provided with a light source channel and a liquid injection channel; a control wire is arranged at the rear side of the interior of the sheath tube; according to the utility model, the high-definition camera and the cold light source are arranged at the end of the thread guide head, so that the function of observing images in the liver pipe, the gall bladder pipe, the pancreas pipe and the gall bladder with small diameters is realized, the function of actively adjusting the direction and the angle is realized, higher feasibility is provided for entering parts with complex structures, the function of injecting liquid for flushing is realized, and foreign matters possibly influencing observation in the field of view can be removed through injecting liquid, so that the observation is clearer.

Description

Visual guide wire with active steering function and liquid injection function

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a visual guide wire with an active steering function and a liquid injection function.

Background

At present, the large cavity (more than 10mm cavity) such as esophagus, stomach, duodenum, colon and the like of the human body cavity are provided with corresponding gastroscopes, duodenums, enteroscopes and the like for visual observation; in a slightly smaller human body cavity (4-10 mm), such as ureters and bronchi, corresponding ureteroscopes and bronchoscopes can be visually observed, so that lesions are found and treated; however, in finer human body cavities, such as bile ducts, pancreatic ducts, and the like, the contrast medium is mainly injected and then developed and observed under the X-rays at present, so that direct-view observation cannot be performed, the observation effect is poor, and the X-rays can cause injury to operators.

At present, companies such as Boston science and Nanjing minimally invasive are adopted, and a biliary pancreas imaging catheter technology is adopted, so that visual observation and treatment in a common bile duct are realized, but finer hepatic ducts, gall bladder ducts, pancreatic ducts and the interior of a gall bladder cannot be accessed for observation.

In the prior art, an instrument capable of entering the cavities of the tiny people and clearly observing the target part is clinically needed, the instrument has the functions of actively adjusting the direction and the angle and entering some parts with complex structures (such as a plurality of folds of a gall bladder tube and a relatively poor passage), and meanwhile, in order to remove foreign matters possibly affecting the observation in the field of view, the injection flushing is needed, so that the observation is clearer, the function of the injection flushing is needed, and further, the more definite pathological analysis is realized, so that the visual guide wire with the active steering function and the injection function is provided for the problems.

Disclosure of Invention

Aiming at the existing problems, the utility model aims to provide a visual guide wire with an active steering function and a liquid injection function so as to solve the problems in the background technology.

In order to solve the problems, the utility model adopts the following technical scheme:

the visual guide wire with the active steering function and the liquid injection function comprises an image conversion main board, wherein the front side of the image conversion main board is electrically connected with a signal transmission joint; a sheath tube is arranged on one side of the image conversion main board far away from the signal transmission connector; a camera is arranged in the sheath tube, and the camera is connected with the image conversion main board through a power transmission line; the top end and the bottom end of the sheath tube are respectively provided with a light source channel and a liquid injection channel; a control wire is arranged at the rear side of the inside of the sheath tube, and the other end of the control wire extends to the outside of the image conversion main board; one end of the control wire, which is far away from the sheath tube, is fixedly connected with a control wire handle; the bottom end of the image conversion main board is fixedly connected with an infusion tube which is communicated with the liquid injection channel; and one end of the infusion tube, which is far away from the infusion channel, is fixedly connected with an infusion connector.

As still further aspects of the utility model: the camera is a mini camera.

As still further aspects of the utility model: the light source is positioned on the image conversion main board and is transmitted to the front end by the optical fiber.

As still further aspects of the utility model: the light source is a front-end LED cold light source, and the light source has at least one luminous point.

As still further aspects of the utility model: the sheath tube is a composite tube body formed by combining a spring tube or a high polymer tube or a nickel titanium tube or a plurality of tube bodies which are made of single materials.

As still further aspects of the utility model: the control wire is in a monofilament shape or a rope shape or a braiding shape.

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

the utility model realizes the image observation function in the liver pipe, the gall bladder pipe, the pancreas pipe and the gall bladder with small diameters by arranging the high-definition camera and the cold light source at the end of the thread guide head, has the function of actively adjusting the direction and the angle, provides higher feasibility for entering a plurality of parts with complex structures, such as a plurality of folds of the gall bladder pipe and a channel with poor passing property, has the function of injecting liquid for flushing, and can remove foreign matters possibly influencing the observation in the field of view through injecting liquid, so that the observation is clearer.

Drawings

FIG. 1 is a perspective view of a visual guidewire with active steering and infusion functions;

FIG. 2 is an enlarged schematic view of a portion of the visual guidewire of FIG. 1 at A with active steering and infusion;

fig. 3 is a schematic view of a partial cross-sectional structure of a sheath in a visual guide wire with active steering and infusion functions.

In the figure: 1. an image conversion main board; 2. a signal transmission joint; 3. a sheath; 4. a camera; 5. a light source channel; 6. a liquid injection channel; 7. controlling the wire; 8. a control wire handle; 9. a liquid injection joint; 100. an infusion tube.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, in this embodiment, the present embodiment is described with reference to fig. 1 to 3, and provides a visual guide wire with an active steering function and a liquid injection function, which includes an image conversion main board 1, and a signal transmission connector 2 is electrically connected to the front side of the image conversion main board 1; a sheath tube 3 is arranged on one side of the image conversion main board 1 away from the signal transmission joint 2; a camera 4 is arranged in the sheath tube 3, and the camera 4 is connected with the image conversion main board 1 through a power transmission line; the top end and the bottom end of the sheath tube 3 are respectively provided with a light source channel 5 and a liquid injection channel 6; a control wire 7 is arranged at the rear side of the inside of the sheath tube 3, and the other end of the control wire 7 extends to the outside of the image conversion main board 1; and one end of the control wire 7 far away from the sheath tube 3 is fixedly connected with a control wire handle 8; the bottom end of the image conversion main board 1 is fixedly connected with an infusion tube 100, and the infusion tube 100 is communicated with the liquid injection channel 6; the end of the infusion tube 100 far away from the infusion channel 6 is fixedly connected with an infusion connector 9; during operation, the signal transmission connector 2 is connected with an external display, the image conversion main board 1 is observed through the camera 4, the display displays the content of camera 4 shooting, the control wire handle 8 can be pulled or twisted through the pulling or twisting control wire handle 8, the head end angle or direction is adjusted, the camera 4 is turned, the liquid for cleaning is connected with the external liquid through the liquid injection connector 9, the liquid for cleaning sequentially passes through the liquid injection pipe 100 and the liquid injection channel 6, foreign matters which possibly affect the observation in the visual field are removed, the observation is clearer, and the structure further has the function of actively adjusting the direction and the angle by placing the high-definition camera 4 and the cold light source at the head end of the guide wire, so that the function of observing images in small-diameter liver pipes, gall bladder pipes, pancreas pipes and gall bladder is realized, the function of actively adjusting the direction and the angle is provided for entering a plurality of parts with complex structures such as gall bladder pipes, a plurality of channels with poor trafficability is provided, the function of liquid injection flushing is provided, the foreign matters which possibly affect the observation in the visual field can be cleared through liquid injection, and the observation is clearer.

As shown in fig. 1, 2 and 3, the camera 4 is a mini camera 4; during operation, the mini camera 4 is favorable for adapting the visual guide wire, so that the visual guide wire is suitable for image observation of liver canal, gall bladder canal, pancreas canal and gall bladder interior with small diameter.

As shown in fig. 1, 2 and 3, the light source is located on the image conversion main board 1 and is transmitted to the front end by an optical fiber; the light source is a front-end LED cold light source, and at least one luminous point exists in the light source; during operation, the camera 4 is convenient to observe and find, and the observation definition of the camera 4 is improved.

As shown in fig. 1, 2 and 3, the sheath tube 3 is a spring tube or a polymer tube or a nickel titanium tube or a composite tube body formed by combining a plurality of tube bodies made of single materials; in operation, the method is suitable for the visual guide wire.

As shown in fig. 1, the control wire 7 is monofilament or rope or braid; when the steering control device works, the control wire 7 has the functions of drawing and twisting, and the control wire 7 has at least one unidirectional control wire, or can be hungry two control wires in left and right directions or four control wires in up and down directions and left and right directions, so that the steering range is wider.

The working principle of the utility model is as follows: when the device works, the signal transmission connector 2 is connected with an external display, the image conversion main board 1 is observed through the camera 4, the display displays the content of camera 4 shooting, controls the drawing and torsion of the control wire 7, adjusts the angle or direction of the head end, and accordingly turns to the camera 4, is connected with external liquid through the liquid injection connector 9, and the cleaning liquid sequentially passes through the liquid injection pipe 100 and the liquid injection channel 6, foreign matters which possibly affect the observation in the visual field are removed, so that the observation is clearer, and the device further has the function of actively adjusting the direction and the angle by arranging the high-definition camera 4 and the cold light source at the head end of the guide wire, so that the device has the function of actively adjusting the direction and the angle, provides higher feasibility for entering a plurality of parts with complex structures, such as a gall bladder, and a plurality of channels with poor trafficability, has the function of liquid injection flushing, and can remove the foreign matters which possibly affect the observation in the visual field through liquid injection, so that the observation is clearer.

It is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and further, that the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. The visual guide wire with the active steering function and the liquid injection function comprises an image conversion main board (1), and is characterized in that the front side of the image conversion main board (1) is electrically connected with a signal transmission connector (2); a sheath tube (3) is arranged on one side of the image conversion main board (1) far away from the signal transmission joint (2); a camera (4) is arranged in the sheath tube (3), and the camera (4) is connected with the image conversion main board (1) through a power transmission line; a light source channel (5) and a liquid injection channel (6) are respectively arranged at the top end and the bottom end of the sheath tube (3); a control wire (7) is arranged at the rear side of the inside of the sheath tube (3), and the other end of the control wire (7) extends to the outside of the image conversion main board (1); and one end of the control wire (7) far away from the sheath tube (3) is fixedly connected with a control wire handle (8). The bottom end of the image conversion main board (1) is fixedly connected with an infusion tube (100), and the infusion tube (100) is communicated with the liquid injection channel (6); one end of the infusion tube (100) far away from the infusion channel (6) is fixedly connected with an infusion connector (9).

2. The visual guide wire with the active steering function and the liquid injection function according to claim 1, wherein the camera (4) is a mini camera.

3. A visual guide wire with active steering and infusion functions according to claim 1, characterized in that the light source is located on the image conversion master plate (1) and is transmitted by an optical fiber to the front end.

4. The visual guide wire with the active steering function and the liquid injection function according to claim 1, wherein the light source is a front-end LED cold light source and at least one luminous point exists.

5. The visual guide wire with the active steering function and the liquid injection function according to claim 1, wherein the sheath tube (3) is a spring tube or a high polymer tube or a nickel titanium tube or a composite tube body formed by combining a plurality of tube bodies.

6. A visual guide wire with active steering and infusion functions according to claim 1, characterized in that the control wire (7) is monofilament or rope or braid.