CN216167750U

CN216167750U - Photoacoustic power treatment puncture needle based on ultrasonic endoscope

Info

Publication number: CN216167750U
Application number: CN202122593351.6U
Authority: CN
Inventors: 周雨迁
Original assignee: Second Xiangya Hospital of Central South University
Current assignee: Second Xiangya Hospital of Central South University
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The application relates to the technical field of medical appliances, and provides an optoacoustic power treatment puncture needle based on an ultrasonic endoscope, which comprises a needle body and a needle core, wherein the needle body comprises an inner tube, an insulating sheath tube which is arranged in the inner tube and extends out of the inner tube, and a metal hollow needle tube which is movably arranged in the insulating sheath tube and can extend out of the insulating sheath tube, an adjusting handle is sleeved outside the inner tube in a sliding manner, the adjusting handle is connected with one end of the metal hollow needle tube, the other end of the metal hollow needle tube is a needle point, the adjusting handle can drive the needle point to extend out of the insulating sheath tube or contract in the insulating sheath tube when sliding back and forth along the axis of the inner tube, the needle core is detachably inserted into the metal hollow needle tube through the adjusting handle end and extends to the needle point, and the needle core comprises an ultrasonic needle core and an optical fiber needle core. The puncture action is not needed for a plurality of times during the treatment, thereby ensuring the health of the therapist and realizing the integration of multiple functions.

Description

Photoacoustic power treatment puncture needle based on ultrasonic endoscope

Technical Field

The application belongs to the technical field of medical appliances, and particularly relates to a photoacoustic power treatment puncture needle based on an ultrasonic endoscope.

Background

An endoscope puncture needle is used as a medical appliance based on endoscope, is mainly suitable for various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like, can be used for sampling living tissues and sucking cells of pyramidal tumor, unknown tumor and the like, and is used for treating some minimally invasive operations.

Currently, lancets typically comprise a housing, a core, and a needle assembly, and the core and the housing are typically integrally connected, which results in a single function lancet that is only used to extend into a lesion area for sampling. When multiple functions such as injection of photosensitive medicaments or ultrasonic therapy are needed, puncture needles with different functions need to be replaced, so that the puncture needles are multiple in use types, and meanwhile, the puncture needles also need to be inserted and pulled for multiple times, and unnecessary damage is easily caused to a therapist.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a photoacoustic power treatment puncture needle based on an ultrasonic endoscope, so as to solve the technical problem that the puncture needle in the prior art is single in function.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a optoacoustic power treatment pjncture needle based on supersound scope, includes needle body and nook closing member, the needle body includes the inner tube, locates and stretch out in the inner tube insulating sheath pipe, the movable locating of inner tube insulating sheath intraductal and can stretch out insulating sheath pipe's the hollow needle tubing of metal, the outside slip cover of inner tube is equipped with adjustment handle, adjustment handle with the one end of the hollow needle tubing of metal is connected, and the other end of the hollow needle tubing of metal is the needle point, adjustment handle follows can order about during the reciprocal slip of axis of inner tube the needle point stretches out insulating sheath pipe or shrink are in the insulating sheath pipe, the nook closing member warp adjust the detachable insertion of end handle extremely in the hollow needle tubing of metal and extend to needle point department, the nook closing member includes supersound nook closing member and optic fibre nook closing member.

In one embodiment, the outer peripheral wall of the needle tip is provided with a plurality of through holes.

In one embodiment, a fixing nut is arranged at one end of the inner tube close to the needle point.

In one embodiment, a fixing sleeve is further arranged on the outer side of the inner pipe, and the fixing sleeve is located between the adjusting handle and the fixing nut.

In one embodiment, the outer side wall of the inner pipe is provided with a plurality of convex rings arranged at intervals, and the inner wall of the adjusting handle is arranged in a ring groove clamped with the convex rings.

In one embodiment, the outer side wall of the inner tube is provided with scale numbers, the adjusting handle is provided with an observation port, and the observation port corresponds to different scale numbers and indicates the length of the needle point extending out of the insulating outer pin tube.

In one embodiment, the end face of the adjusting handle is provided with a mounting hole, the mounting hole is communicated with the metal hollow needle tube, and the mounting hole can be used for mounting a three-way joint.

In one embodiment, the ultrasonic core comprises a first needle handle, a first transparent sheath disposed on the first needle handle, an ultrasonic wafer disposed in the first transparent sheath and far away from the first needle handle, a first power source interface disposed on the needle handle, and conductive wires disposed in the first transparent sheath and respectively connected to the ultrasonic wafer and the first power source interface.

In one embodiment, the fiber optic needle core includes a second needle shaft, a second transparent outer sheath disposed on the second needle shaft, an optical fiber disposed within the second transparent outer sheath, and a second power source interface disposed on the second needle shaft.

The application provides a photoacoustic power treatment pjncture needle based on ultrasonic endoscope's beneficial effect lies in: the metal hollow needle tube of the needle body can be telescopically arranged in the insulating sheath tube and can be used for puncturing, absorbing samples and other functions, when other functions such as acoustic therapy or photodynamic therapy are needed, the ultrasonic needle core or the optical fiber needle core can be inserted in the needle body and extends to a focus area through the metal hollow needle tube for therapy, and puncturing actions are not needed for multiple times, so that the health of a therapist is ensured, and multifunctional integration and integration are realized.

Drawings

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

Fig. 1 is a schematic structural diagram of a photoacoustic power therapy puncture needle based on an ultrasonic endoscope provided in an embodiment of the present application;

fig. 2 is a schematic diagram of a needle tip structure of a photoacoustic power therapy puncture needle based on an ultrasonic endoscope provided by the embodiment of the application.

Wherein, in the figures, the respective reference numerals:

1. a needle body; 11. an inner tube; 12. an insulating sheath tube; 13. a metal hollow needle tube; 14. an adjusting handle; 141. mounting holes; 15. a needle tip; 16. a through hole; 17. fixing a nut; 18. fixing a sleeve; 19. a convex ring; 2. an ultrasonic stylet; 21. a first needle handle; 22. a first transparent sheath tube; 23. an ultrasonic wafer; 24. a first power interface; 25. a conductive wire; 3. an optical fiber needle core; 31. a second needle handle; 32. a second transparent sheath; 33. an optical fiber filament; 34. a second power interface.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, 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 implicitly indicating the 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 application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, a photoacoustic powered treatment puncture needle based on an ultrasonic endoscope according to an embodiment of the present application will now be described. This optoacoustic power treatment pjncture needle based on ultrasonic endoscope, including needle body 1 and nook closing member, needle body 1 includes inner tube 11, locate in inner tube 11 and stretch out inner tube 11's insulating sheath pipe 12, movably locate in insulating sheath pipe 12 and can stretch out insulating sheath pipe 12's metal hollow needle tube 13, the outside slip cover of inner tube 11 is equipped with adjustment handle 14, adjustment handle 14 is connected with the one end of metal hollow needle tube 13, the other end of metal hollow needle tube 13 is needle point 15, adjustment handle 14 can order about needle point 15 to stretch out insulating sheath pipe 12 or shrink in insulating sheath pipe 12 when the axis reciprocating sliding of inner tube 11, the nook closing member is through 14 detachable insertions of end of adjustment handle to metal hollow needle tube 13 in and extend to needle point 15 departments, the nook closing member includes supersound nook closing member 2 and optic fibre nook closing member 3.

When the photoacoustic power treatment puncture needle needs to be used, the photoacoustic power treatment puncture needle is firstly installed on an ultrasonic endoscope, the needle tip 15 is contracted on the insulating sheath tube 12, then the insulating sheath tube 12 is inserted into a focus area through the ultrasonic endoscope, and then the needle tip 15 is extended out of the insulating sheath tube 12 and pierces the focus area through controlling the adjusting handle 14, so that the effects of sucking a sample and the like are achieved; when the focus area needs to be treated by light-operated or sound-operated, the ultrasonic needle core 2 or the optical fiber needle core 3 can be inserted into the metal hollow needle tube 13 and the focus area is treated by light-operated or sound-operated through the needle point 15, and the process only needs one puncture action, thereby avoiding unnecessary body damage to a curer.

In this embodiment, the hollow metal needle tube 13 of the needle body 1 can be telescopically mounted in the insulating sheath tube 12, and can be used for puncturing and absorbing samples, when other functions such as acoustic therapy and photodynamic therapy are required, the ultrasonic needle core 2 or the optical fiber needle core 3 can be inserted into the needle body 1 and extend to a focus area through the hollow metal needle tube 13 for therapy, and puncturing actions are not required for multiple times, so that the health of a therapist is ensured, and multiple functions are integrated.

In this embodiment, the outer peripheral wall of the needle tip 15 is provided with a plurality of through holes 16, and the through holes 16 are permeable to sound waves, light, drugs, oxygen and the like so as to better perform corresponding treatment on the lesion area.

In this embodiment, a fixing nut 17 is disposed at an end of the inner tube 11 close to the needle tip 15, and the fixing nut 17 is used to mount the photoacoustic power therapy puncture needle on the ultrasound endoscope, so as to ensure mounting firmness and detachability.

In this embodiment, a fixing sleeve 18 is further provided on the outside of the inner tube 11, and the fixing sleeve 18 is located between the adjustment handle 14 and the fixing nut 17. The sleeve 18 is used to facilitate the sliding operation of the adjustment handle 14 after the application of force by the surgeon's hand.

In this embodiment, a plurality of convex rings 19 arranged at intervals are arranged on the outer side wall of the inner tube 11, the inner wall of the adjusting handle 14 is arranged in a ring groove clamped with the convex rings 19, and the convex rings 19 and the ring groove are matched to ensure the stability of the adjusting handle 14 for adjusting the extension or contraction of the needle tip 15.

In this embodiment, the outer sidewall of the inner tube 11 is provided with scale numbers (not shown in the figure), the adjusting handle 14 is provided with a viewing port, and the viewing port corresponds to different scale numbers to indicate the length of the needle tip 15 extending out of the insulating outer pin tube, so that the puncture depth of the needle tip 15 can be visually known, and unnecessary body injury caused by puncturing the healthy area of the therapist can be avoided.

In this embodiment, the end surface of the adjustment handle 14 is provided with a mounting hole 141, the mounting hole 141 is communicated with the metal hollow needle tube 13, the mounting hole 141 can be used for mounting a three-way joint, and the three-way joint can be used for connecting a medical oxygen machine or an injector to input oxygen, photosensitive medicaments, sound-sensitive medicaments and the like so as to supplement the consumption of oxygen and corresponding medicaments in the treatment process. The mounting hole is a threaded hole, so that the mounting stability is ensured.

In this embodiment, the ultrasonic stylet 2 includes a first needle handle 21, a first transparent sheath 22 disposed on the first needle handle 21, an ultrasonic chip 23 disposed in the first transparent sheath 22 and far away from the first needle handle 21, a first power source interface 24 disposed on the needle handle, and a conductive wire 25 disposed in the first transparent sheath 22 and respectively connected to the ultrasonic chip 23 and the first power source interface 24. The first power interface 24 is used to connect to the ultrasound apparatus and to treat the focal zone acoustically via the ultrasound chip 23.

In the present embodiment, the optical fiber core 3 includes a second needle handle 31, a second transparent sheath 32 disposed on the second needle handle 31, an optical fiber 33 disposed in the second transparent sheath 32, and a second power interface 34 disposed on the second needle handle 31. The second power interface 34 is used for connecting with the laser therapeutic apparatus and performing photodynamic therapy on the focal region through the optical fiber wire 33.

In this embodiment, the insulating sheath 12, the first transparent sheath 22 and the second transparent sheath 32 are made of polymer material, so that they have good flexibility and can be bent and coiled.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a optoacoustic power treatment pjncture needle based on ultrasonic endoscope, its characterized in that, includes needle body (1) and nook closing member, needle body (1) includes inner tube (11), locates in inner tube (11) and stretch out insulating sheath pipe (12), the movable locating of inner tube (11) in insulating sheath pipe (12) and can stretch out the hollow needle tubing (13) of metal of insulating sheath pipe (12), the outside slip cover of inner tube (11) is equipped with adjustment handle (14), adjustment handle (14) with the one end of hollow needle tubing (13) of metal is connected, and the other end of hollow needle tubing (13) of metal is needle point (15), adjustment handle (14) are followed can order about when the axis of inner tube (11) reciprocates needle point (15) stretch out insulating sheath pipe (12) or shrink are in insulating sheath pipe (12), the needle core is detachably inserted into the metal hollow needle tube (13) through the end of the adjusting handle (14) and extends to the needle point (15), and the needle core comprises an ultrasonic needle core (2) and an optical fiber needle core (3).

2. The photoacoustic powered ultrasound-endoscope-based therapeutic needle according to claim 1, wherein: the peripheral wall of the needle point (15) is provided with a plurality of through holes (16).

3. The photoacoustic powered ultrasound-endoscope-based therapeutic needle according to claim 2, wherein: and a fixing nut (17) is arranged at one end of the inner tube (11) close to the needle point (15).

4. The photoacoustic powered ultrasound-endoscope-based therapeutic needle according to claim 3, wherein: the outer side of the inner tube (11) is further provided with a fixing sleeve (18), and the fixing sleeve (18) is located between the adjusting handle (14) and the fixing nut (17).

5. The photoacoustic powered ultrasound-endoscope-based therapeutic needle according to claim 4, wherein: be equipped with protruding circle (19) that a plurality of intervals set up on the lateral wall of inner tube (11), the inner wall of adjustment handle (14) locate with the annular of protruding circle (19) joint.

6. The photoacoustic powered ultrasound-endoscope-based therapeutic needle according to claim 5, wherein: the outer side wall of the inner tube (11) is provided with scale numbers, the adjusting handle (14) is provided with an observation port, the observation port corresponds to different scale numbers and represents that the needle point (15) extends out of the length of the insulating sheath tube.

7. The photoacoustic powered ultrasound-endoscope-based therapeutic needle according to claim 1, wherein: the end face of the adjusting handle (14) is provided with a mounting hole (141), the mounting hole (141) is communicated with the metal hollow needle tube (13), and the mounting hole (141) can be used for mounting a three-way joint.

8. An endoultrasound-based photoacoustic powered therapy puncture needle according to any one of claims 1 to 7, wherein: supersound nook closing member (2) include first needle handle (21), locate first transparent sheath pipe (22) on first needle handle (21) is located in first transparent sheath pipe (22) and keep away from supersound wafer (23) of first needle handle (21) are located first power source (24) on the needle handle and are located in first transparent sheath pipe (22) and connect respectively supersound wafer (23) with conducting wire (25) of first power source (24).

9. An endoultrasound-based photoacoustic powered therapy puncture needle according to any one of claims 1 to 7, wherein: the optical fiber needle core (3) comprises a second needle handle (31), a second transparent outer sheath tube (32) arranged on the second needle handle (31), an optical fiber filament (33) arranged in the second transparent outer sheath tube (32) and a second power supply interface (34) arranged on the second needle handle (31).