CN210354853U

CN210354853U - Puncture outfit

Info

Publication number: CN210354853U
Application number: CN201920595005.1U
Authority: CN
Inventors: 魏益平; 曾惟标; 徐建军; 喻东亮; 张文雄; 彭金华; 江涵; 熊剑文
Original assignee: Second Affiliated Hospital to Nanchang University
Current assignee: Second Affiliated Hospital to Nanchang University
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-04-21
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a puncture outfit, which comprises a puncture tube with a front end and a sleeve arranged outside the puncture tube; the puncture tube is internally provided with a containing cavity, and the front end of the containing cavity is internally provided with an ultrasonic probe, an optical camera and a light source. Through setting up ultrasonic transducer and camera, the condition of puncture working face not only can be known in real time through the optical camera to the puncture in-process, can also observe the deep tissue condition of puncture in real time through ultrasonic imaging to real time monitoring, guide puncture process further improve the security. In addition, images obtained by the ultrasonic probe and the camera can be used for mutual authentication, switching between deep tissue imaging of the ultrasonic probe and imaging of a puncture working surface of the camera is achieved, unnecessary operation caused by replacement of different imaging devices is avoided, risks of instrument pollution, air leakage in an operation, pneumothorax and the like are avoided, and time for replacing the imaging devices is saved. The utility model is used for puncture.

Description

Puncture outfit

Technical Field

The utility model relates to the technical field of medical equipment, in particular to puncture outfit.

Background

In recent years, the endoscopic surgery gradually replaces the traditional open surgery with the advantages of small trauma, light pain, quick recovery and the like as the preferred surgical mode, and the puncture outfit is used for puncturing to form an operation/observation hole in the first step of the endoscopic surgery. Existing piercers are of the type shown in the grant publication No. CN 104068921B. Under the condition that the position of the tip and deep tissues cannot be judged, the puncture outfit used at present occasionally has the accident of accidentally injuring major organs such as large blood vessels, lungs, liver and the like during the use process. At present, puncture technologies which aim at various body cavities (such as a chest cavity, an abdominal cavity, a pericardial cavity and the like), human organs (such as a liver, a kidney, a lung and the like) and focuses (such as a tumor, a cancer and a cyst) are widely applied clinically, in order to improve the success rate of the puncture and avoid unnecessary accidental injuries, medical workers are upgraded from the traditional positioning by simply relying on anatomical landmarks to preoperative imaging positioning, however, in the actual puncture process, due to the reasons that the body position of a patient is changed during the puncture, the relative position of the human organs is changed, the clinical experience of the puncture is different and the like, only depending on anatomical positioning and imaging positioning, the success rate of the puncture is difficult to guarantee, the situation that major organs such as a large blood vessel, a lung, a liver and the like are accidentally injured is common in the puncture process, and permanent irreversible injuries and even life risks are caused in.

In view of the above shortcomings of the puncture outfit and the puncture method, an improved puncture device is developed at home and abroad. Some lancing devices are designed with retractable blades and some are designed with transparent materials for viewing tissue surrounding the tip. However, the puncture outfit still cannot observe deep tissues to achieve the purpose of avoiding accidentally injuring important visceral organs, and further cannot guide the puncture outfit to the puncture target to improve the puncture success rate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a puncture instrument capable of observing deep tissue is provided.

The utility model provides a solution of its technical problem is:

a puncture outfit comprises a puncture tube with a front end and a sleeve sleeved outside the puncture tube; the puncture tube is internally provided with a containing cavity, and the front end of the containing cavity is internally provided with an ultrasonic probe, an optical camera and a light source. The light source can provide illumination for the optical camera to image. Through setting up ultrasonic transducer and camera, the condition of puncture working face not only can be known in real time through the optical camera to the puncture in-process, can also observe the deep tissue condition of puncture in real time through ultrasonic imaging to real time monitoring, guide puncture process further improve the security. In addition, images obtained by the ultrasonic probe and the camera can be used for mutual authentication, for example, the puncture outfit can be rotated to realize the switching between the deep tissue imaging of the ultrasonic probe and the imaging of the puncture working surface of the camera, thereby avoiding unnecessary operation caused by replacing different imaging devices, avoiding the risks of instrument pollution, air leakage in the operation, pneumothorax induction and the like, and saving the time for replacing the imaging devices.

As a further improvement of the above technical solution, a deflection portion for deflecting the front end of the ultrasonic probe laterally is disposed in the accommodating cavity, and the deflection portion is fixedly connected to a side wall of the accommodating cavity. Ultrasonic probe and optical camera all have certain formation of image angle, and when ultrasonic probe and optical camera all placed the holding intracavity, there was the part of overlapping in both formation of image angle. By arranging the deflection part, the ultrasonic probe deflects to the side, the axis of the imaging range of the ultrasonic probe deviates from the axis of the imaging range of the optical camera, and the overlapping range of the imaging angles is reduced, so that the total imaging angle of the ultrasonic probe and the optical camera is increased.

As a further improvement of the above technical solution, the puncture tube comprises a tube body and a puncture tip covering the front end of the tube body, wherein the puncture tip is made of a transparent material; the puncture tip is provided with a concave cavity communicated with the tube cavity of the tube body, and the tube cavity of the tube body and the concave cavity are called as an accommodating cavity. The puncture point is made of transparent materials, so that the optical camera can smoothly form images through the puncture point. Because it is provided with ultrasonic probe and optical camera to hold the intracavity, consequently the puncture point of cover on the front end of body can avoid blood etc. to enter into and hold the chamber to avoid ultrasonic probe and optical camera's work to receive the influence and even take place to damage.

As a further improvement of the above technical solution, the deflection portion is provided with a left side and a right side, and a first passing space is provided between the left side of the deflection portion and the left side wall of the accommodating cavity; the ultrasonic probe extends into the first passing space, and the side surface of the front end of the ultrasonic probe is abutted against the left side of the deflection part. Since the side surface of the front end of the ultrasonic probe abuts against the left side of the deflection part, the front side of the ultrasonic probe deviates outwards from the front-back direction, so that the axial line of the imaging range of the ultrasonic probe deviates outwards, and the overlapping of the imaging angle of the ultrasonic probe and the imaging angle of the optical camera is reduced.

As a further improvement of the above technical solution, a second passage space is provided between the right side of the deflection portion and the right side wall of the accommodating chamber; the optical camera extends into the second passage space, and the side face of the front end of the optical camera is abutted against the right side of the deflection part. Since the side surface of the front end of the optical camera is abutted against the right side of the deflection part, the axis of the imaging range of the optical camera can be simultaneously shifted outwards, and the overlapping of the imaging angles of the ultrasonic probe and the optical camera is further reduced. Because the ultrasonic probe and the optical camera can be deflected at the same time, the imaging overlapping range of the ultrasonic probe and the optical camera can be adjusted more quickly and the efficiency is higher.

As a further improvement of the above technical solution, the deflecting portion includes a rail body extending in the front-rear direction, and the rail body is fixedly connected to the side wall of the accommodating chamber; the deflection part further comprises a moving body, the moving body is provided with a sliding groove extending along the front-back direction, and the sliding groove is connected with the guide rail body in a sliding mode. Because the sliding chute is connected with the guide rail body in a sliding manner, the moving body can move back and forth, so that the contact positions of the moving body and the ultrasonic probe and the optical camera are changed, the deflection angles of the ultrasonic probe and the optical camera are changed, and the overlapping range of the imaging angles of the ultrasonic probe and the optical camera is adjusted.

As a further improvement of the above technical means, a stopper is provided at the front end of the guide rail body, and the stopper abuts against the front end of the movable body. When the ultrasonic probe and the optical camera are attached from the rear to the front, the ultrasonic probe and the optical camera come into contact with the movable body, and therefore the movable body may fall off the rail body. The blocking body can abut against the front end of the moving body, so that the risk that the moving body falls forwards is avoided.

As a further improvement of the above technical solution, the puncture outfit further includes a deflection ring disposed behind the deflection portion, an outer circumferential surface of the deflection ring abuts against a side wall of the housing cavity, and an outer circumferential surface of a rear end of the ultrasonic probe and an outer circumferential surface of a rear end of the optical camera both abut against an inner circumferential surface of the deflection ring. Because the outer side face of the rear end of the ultrasonic probe and the outer side face of the rear end of the optical camera are abutted against the inner side face of the deflection ring, the deflection angle of the ultrasonic probe and the optical camera can be adjusted by the deflection ring at the rear side, so that the ultrasonic probe and the optical camera deflect outwards, the axis of the imaging range of the ultrasonic probe and the optical camera deflects outwards, and the overlapping range of the imaging angle of the ultrasonic probe and the optical camera is reduced.

As a further improvement of the above technical solution, the side wall of the accommodating cavity is provided with an internal thread, the outer annular surface of the deflection ring is provided with an external thread, and the side wall of the accommodating cavity is in threaded connection with the outer annular surface of the deflection ring. Because the side wall of the accommodating cavity is in threaded connection with the outer annular surface of the deflection ring, the deflection ring can move back and forth by rotating the deflection ring, so that the abutting positions of the deflection ring and the ultrasonic probe and the optical camera are changed, the deflection angles of the ultrasonic probe and the optical camera are changed, and the overlapping range of the imaging angles of the ultrasonic probe and the optical camera is reduced.

As a further improvement of the technical scheme, the puncture tip is detachably connected with the tube body. Because the puncture point is detachably connected with the tube body, the puncture point can be detached firstly, and then the ultrasonic probe and the optical camera are installed, so that the installation of the ultrasonic probe and the optical camera is more convenient. The detachable connection of the puncture tip and the tube body comprises a threaded connection mode, a buckling connection mode and the like.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a front view of an embodiment of the puncture instrument of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at location N;

fig. 3 is a cross-sectional view of position M-M in fig. 1.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

Referring to fig. 1 to 3, this is an embodiment of the puncture instrument of the present invention, specifically:

a puncture outfit comprises a puncture tube 100 with a front end, a sleeve 200 sleeved outside the puncture tube 100; the puncture tube 100 comprises a tube body 120 and a puncture tip 130 covering the front end of the tube body 120, wherein the puncture tip 130 is made of a transparent material, and can be made of a hard transparent plastic material, such as a PVC material; the piercing tip 130 is provided with a cavity that communicates with the lumen of the tube 120, which is collectively referred to as the receiving cavity 110. The ultrasonic probe 300, the optical camera 400, and the light source 700 are provided in the front end of the accommodating chamber 110. In this embodiment, both the ultrasound probe 300 and the optical camera 400 are disposed within the cavity of the puncture tip 130, within the scope of the receiving chamber 110. The ultrasonic probe 300 may employ the technique disclosed in publication No. CN 1946346A. The ultrasound probe 300 generally has a doppler function and can be used to discriminate whether a deep fluid being probed is a fluid or blood flowing in a blood vessel. The light source 700 can adopt an LED lamp bead, and if a user needs to completely ensure the fixation of the light source 700, the light source 700 and the shell of the optical camera 400 can be fixed in advance by using an adhesive mode.

As shown in fig. 1, the imaging angle of the ultrasonic probe 300 is a, the imaging angle of the optical camera 400 is B, the overlapping range of the angle a and the angle B is an angle C, and the range of the angle C is usually preferably 0 to 15 degrees, so that the installation deflection angle of the ultrasonic probe 300 and the optical camera 400 needs to be adjusted. A deflection part 500 for deflecting the front end of the ultrasonic probe 300 laterally is arranged in the accommodating cavity 110, the deflection part 500 comprises a guide rail body 510 extending along the front-back direction, and the guide rail body 510 is fixedly connected with the side wall of the accommodating cavity 110; the deflecting unit 500 further includes a moving body 520, and the moving body 520 is provided with a slide groove extending in the front-rear direction, and the slide groove is slidably connected to the rail body 510. A stopper 511 is provided at the front end of the rail body 510, and the stopper 511 abuts against the front end of the moving body 520. The guide rail body 510, the blocking body 511 and the puncture tip 130 may be integrally formed by injection molding to be fixedly connected, or the guide rail body 510 may be fixedly connected to the sidewall of the accommodating cavity 110 by gluing, and the blocking body 511 may also be fixedly disposed at the front end of the guide rail body 510 by gluing. In this embodiment, two rail bodies 510 are provided, and are both disposed on the side wall of the accommodating cavity 110 and distributed at intervals of 180 degrees in the circumferential direction; in this case, the moving member 520 is a circular rod, and damage to the ultrasonic probe 300 and the optical camera 400 which are in contact therewith can be reduced. The sliding grooves are formed at the two ends of the moving body 520, and the sliding grooves at the two ends of the moving body 520 are respectively in sliding connection with the two guide rail bodies 510, so that the sliding connection between the moving body 520 and the guide rail bodies 510 is more stable.

The deflecting unit 500 has left and right sides, that is, the moving body 520 spans across the accommodating chamber 110, and the left and right sides of the moving body 520 are the first passing space 111 and the second passing space 112, respectively; a first passing space 111 is provided between the left side of the deflection part 500 and the left side wall of the accommodation chamber 110; the ultrasonic probe 300 extends into the first passage space 111, and the side surface of the distal end of the ultrasonic probe 300 abuts against the left side of the deflecting unit 500. A second passing space 112 is provided between the right side of the deflection part 500 and the right side wall of the accommodation chamber 110; the optical camera 400 extends into the second passage space 112, and the side surface of the front end of the optical camera 400 abuts against the right side of the deflecting unit 500.

The side wall of the accommodating cavity 110 is provided with an internal thread, in this embodiment, the side wall of the concave cavity of the puncture tip 130 is provided with an internal thread and extends to the end of the puncture tip 130, and the outer wall of the front end of the tube body 120 is provided with an external thread, so that the puncture tip 130 and the tube body 120 can be detachably connected. The puncture instrument further includes a deflector ring 600 disposed behind the deflector 500, an outer circumferential surface of the deflector ring 600 is provided with external threads, and a sidewall of the receiving chamber 110 is threadedly coupled to the outer circumferential surface of the deflector ring 600. The outer annular surface of the deflector ring 600 abuts against the side wall of the housing chamber 110, and the outer side surface of the rear end of the ultrasonic probe 300 and the outer side surface of the rear end of the optical camera 400 both abut against the inner side surface of the deflector ring 600.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. A puncture device is characterized in that: comprises a puncture tube (100) with a front end and a sleeve (200) sleeved outside the puncture tube (100); the puncture tube (100) is internally provided with an accommodating cavity (110), and the front end of the accommodating cavity (110) is internally provided with an ultrasonic probe (300), an optical camera (400) and a light source (700).

2. A puncture instrument according to claim 1, characterized in that: a deflection part (500) which enables the front end of the ultrasonic probe (300) to deflect laterally is arranged in the accommodating cavity (110), and the deflection part (500) is fixedly connected with the side wall of the accommodating cavity (110).

3. A puncture instrument according to claim 2, characterized in that: the puncture tube (100) comprises a tube body (120) and a puncture tip (130) covered on the front end of the tube body (120), wherein the puncture tip (130) is made of a transparent material; the puncture tip (130) is provided with a concave cavity communicated with the tube cavity of the tube body (120), and the tube cavity of the tube body (120) and the concave cavity are combined to be an accommodating cavity (110).

4. A puncture instrument according to claim 2 or 3, characterized in that: the deflection part (500) is provided with a left side and a right side, and a first passing space (111) is arranged between the left side of the deflection part (500) and the left side wall of the accommodating cavity (110); the ultrasonic probe (300) extends into the first passage space (111), and a side surface of a front end of the ultrasonic probe (300) abuts against a left side of the deflecting unit (500).

5. A puncture instrument according to claim 4, characterized in that: a second through space (112) is arranged between the right side of the deflection part (500) and the right side wall of the accommodating cavity (110); the optical camera (400) extends into the second passage space (112), and the side surface of the front end of the optical camera (400) abuts against the right side of the deflection part (500).

6. A puncture instrument according to claim 5, characterized in that: the deflection part (500) comprises a guide rail body (510) extending along the front-back direction, and the guide rail body (510) is fixedly connected with the side wall of the accommodating cavity (110); the deflection part (500) further comprises a moving body (520), the moving body (520) is provided with a sliding groove extending in the front-back direction, and the sliding groove is connected with the guide rail body (510) in a sliding mode.

7. A puncture instrument according to claim 6, characterized in that: and a blocking body (511) is arranged at the front end of the guide rail body (510), and the blocking body (511) is abutted against the front end of the moving body (520).

8. A puncture instrument according to claim 5, characterized in that: the ultrasonic probe further comprises a deflection ring (600) arranged behind the deflection part (500), the outer ring surface of the deflection ring (600) is abutted against the side wall of the accommodating cavity (110), and the outer side surface of the rear end of the ultrasonic probe (300) and the outer side surface of the rear end of the optical camera (400) are both abutted against the inner side surface of the deflection ring (600).

9. A puncture instrument according to claim 8, characterized in that: the side wall of the accommodating cavity (110) is provided with internal threads, the outer annular surface of the deflection ring (600) is provided with external threads, and the side wall of the accommodating cavity (110) is in threaded connection with the outer annular surface of the deflection ring (600).

10. A puncture instrument according to claim 2, characterized in that: the puncture tip (130) is detachably connected with the tube body (120).