CN213374633U - Visual guide wire - Google Patents

Abstract

The utility model discloses a visual guide wire, which comprises a pushing pipe, wherein a channel is arranged in the pushing pipe along the axial direction; a sheath disposed on the outer periphery of the push tube; the conveying pipeline is arranged on one side of the pushing pipe, has the same extension direction as the axial direction of the pushing pipe, and is used for conveying liquid or gas; the guide head is arranged at the front end of the pushing pipe, and is provided with a spray hole which is communicated with the conveying pipeline; and the camera device is arranged at the front end of the guide head, and an illumination light source is arranged on the camera device. The internal condition of the inner cavity pipe of the human body is observed by arranging the camera device, the operation is convenient, the operation efficiency is improved, and the X-ray is not needed, so that the health of patients and doctors is facilitated.

Description

Visual guide wire

Technical Field

The utility model relates to the field of medical equipment, in particular to visual seal wire.

Background

The traditional guide wire is equivalent to a channel for establishing a human body, and the guide wire has certain supporting force, flexibility and pushing property, so that the guide wire can smoothly pass through a lumen of the human body to reach a pathological change position. In an interventional operation, a medical catheter or other related instrument is introduced into a blood vessel or other lumen using a guide wire to reach a lesion site. The existing medical guide wire is often guided under X-ray because the internal condition of a human body cannot be observed, and the excessive use of the X-ray can affect the health of doctors and patients. Even if the patient is guided by X-ray, the actual condition inside the lumen cannot be directly known, and the patient may be seriously injured by mistakenly puncturing the lumen or puncturing the lumen wall during the operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a visual seal wire can watch the inside condition of human lumen, the operation of being convenient for.

According to the utility model discloses a visual seal wire, a serial communication port, include: the pushing pipe is internally provided with a channel along the axial direction; a sheath disposed on the outer periphery of the push tube; the conveying pipeline is arranged on one side of the pushing pipe, has the same extension direction as the axial direction of the pushing pipe, and is used for conveying liquid or gas; the guide head is arranged at the front end of the pushing pipe, and is provided with a spray hole which is communicated with the conveying pipeline; and the camera device is arranged at the front end of the guide head, and an illumination light source is arranged on the camera device.

According to the utility model discloses visual seal wire has following beneficial effect at least: the utility model discloses a set up camera device and observe the inside condition of cavity pipe in the human body, make things convenient for the operation, improve operation efficiency to do not need the X-ray, be favorable to patient and doctor's and healthy.

According to some embodiments of the utility model, the sheath includes medical polymer casing, medical polymer casing sets up the periphery of propelling movement pipe.

According to some embodiments of the utility model, the sheath still includes the metal around the spring, the metal is around the spring setting and is in on the inner wall of medical polymer casing.

According to some embodiments of the utility model, the propelling movement pipe with transport pipe way formula structure as an organic whole.

According to some embodiments of the present invention, the camera device is an electronic imaging device or an optical fiber imaging device or a micro camera.

According to some embodiments of the invention, the illumination source is a LED lamp.

According to some embodiments of the invention, the pushing tube is a tube body having elasticity.

Additional aspects and advantages of the invention 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 invention.

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 cross-sectional view of a visualization guidewire in an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 3 is a cross-sectional view of a visualization guidewire in another embodiment of the present invention.

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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the orientation description is with reference to the orientation shown in the drawings, wherein the "front end" directs the thread into one end of the body cavity.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, the visual guide wire comprises a pushing tube 1, a sheath 2, a conveying pipeline 4, a seeker 3 and a camera device 6, wherein the pushing tube 1 is an elastic tube body and can be inserted into a human body cavity, and a channel 5 is axially arranged inside the pushing tube 1. The sheath 2 sets up the periphery of propelling movement pipe 1 plays the effect of protection and support propelling movement pipe 1, and the transport pipe way 4 sets up one side and the extending direction of propelling movement pipe 1 and the axial of propelling movement pipe 1 is the same, can be used to carry gas or liquid washing front end. The guiding head 3 is arranged at the front end of the pushing pipe 1, a spraying hole 8 is formed in the guiding head 3, the spraying hole 8 is communicated with the conveying pipeline 4, the camera device 6 is arranged at the front end of the guiding head 3, and an illuminating light source 7 is arranged on the camera device 6. The channel 5 is used for placing a connecting wire, the camera device 6 and the illuminating light source 7 are connected with an external display device through the connecting wire in the channel 5, operation is performed under the visual condition, the operation of a doctor is facilitated, the operation efficiency is improved, X-rays are not needed, the fact that the doctor and the patient are radiated is avoided, and the medical imaging system is beneficial to health of the patient and the doctor. External display device is equipped with for computer screen etc. for prior art, does not belong to the utility model discloses the protection scope of embodiment. The sheath 2 plays a role in strengthening and supporting and has good supporting effect; the conveying pipeline 4 and the spray holes 8 can spray liquid to clean dirt on the camera device 6, keep the visual field clear, and spray the coloring agent when the coloring agent is required to be sprayed on the human body affected part for further diagnosis.

Referring to fig. 3, in some embodiments of the present invention, the sheath includes a medical polymer shell 21, the medical polymer shell 21 is disposed at the periphery of the pushing tube 1, and the medical polymer shell 21 may be made of polyurethane, PTFE, or other materials, so as to reduce friction and improve the passing performance of the product in the body cavity.

Referring to fig. 1, in some embodiments, the sheath further comprises a metal coil spring 22 disposed on an inner wall of the medical polymer housing 21. The supporting force of the sheath can be increased by providing a metal wrap spring 22.

According to some embodiments of the present invention, the pushing tube 1 and the transport pipe 4 are of an integral structure. The rear section of the conveying pipeline 4 is arranged inside the pushing pipe 1, and the front section of the conveying pipeline is separated from the pushing pipe 1 to form an independent pipeline due to the fact that the diameter of the pushing pipe 1 is reduced.

In some embodiments of the present invention, the imaging principle of the camera device 6 adopts an optical fiber imaging device for optical fiber transmission imaging, that is, the objective lens and the far end of the light guide bundle jointly form an observation window, the image is focused and projected on the end face of the front end of the image guide bundle and then transmitted to the eyepiece through the optical fiber light guide bundle, the light guide bundle is an image transmission optical fiber, and the image transmission optical fiber is composed of a plurality of light guide fibers; in some embodiments, the imaging principle of the image capturing device 6 is an electronic imaging device using electronic transmission imaging, the image capturing device 6 includes a front objective lens and a CCD image sensor, the objective lens collects light on the CCD image sensor, the CCD image sensor converts an optical signal into an electrical signal, and the electrical signal is transmitted to an external device through a wire, and the wire is disposed in the channel 5. In some embodiments, the camera 6 is a micro-camera connected to an external device via a wire, and the wire is disposed in the channel 5 to transmit the image of the human body to the external device through the micro-camera. The lighting source 7 is an LED lamp, specifically, a wire for connecting an external display device is arranged in the channel 5, and the LED lamp is connected with an external power supply through the wire.

Claims (7)

1. A visualization guidewire, comprising:

the pushing pipe (1), wherein a channel (5) is arranged in the pushing pipe (1) along the axial direction;

a sheath (2) provided on the outer periphery of the pushing tube (1);

the conveying pipeline (4) is arranged on one side of the pushing pipe (1), has the same extension direction as the axial direction of the pushing pipe (1), and is used for conveying liquid or gas;

the guide head (3) is arranged at the front end of the pushing pipe (1), a spray hole (8) is formed in the guide head (3), and the spray hole (8) is communicated with the conveying pipeline (4);

the camera device (6) is arranged at the front end of the guide head (3), and an illumination light source (7) is arranged on the camera device (6).

2. The visualization guidewire of claim 1, wherein the sheath (2) comprises a medical polymer housing (21), the medical polymer housing (21) being disposed at an outer periphery of the pusher tube (1).

3. A visualization guidewire according to claim 2, wherein the sheath (2) further comprises a metal wrap spring (22), the metal wrap spring (22) being arranged on an inner wall of the medical polymer housing (21).

4. The visualization guidewire of claim 1, wherein the push tube (1) and the transport conduit (4) are of a unitary construction.

5. The visualization guidewire of claim 1, wherein the camera (6) is an electronic imaging device or a fiber optic imaging device or a micro camera.

6. The visualization guidewire of claim 1, wherein the illumination light source (7) is an LED lamp.

7. The visualization guidewire of claim 1, wherein the push tube (1) is a tube with elasticity.

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