CN219183991U

CN219183991U - Ultrasonic knife assembly

Info

Publication number: CN219183991U
Application number: CN202222888196.5U
Authority: CN
Inventors: 郭其乐; 沈冬晓; 张丹凤
Original assignee: Shanghai Jinshan Tcm-Integrated Hospital
Current assignee: Shanghai Jinshan Tcm-Integrated Hospital
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-06-16
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to an ultrasonic blade assembly comprising: the ultrasonic clamp comprises a first clamp body, a second clamp body, a negative pressure pipe and a transducer, wherein the first clamp body is connected with the second clamp body through a pin shaft, a cavity for accommodating the transducer is axially formed in the first clamp body, an ultrasonic tool bit structure connected with the transducer is arranged at the front end of the first clamp body, the ultrasonic tool bit structure comprises a tool bar and a sleeve connected with the front end of the first clamp body, the tool bar penetrates through the sleeve and is movably connected with the front end of the transducer in the cavity, the rear end of the transducer is electrically connected with a corresponding ultrasonic system host through a circuit, a clamping arm is arranged at the front end of the second clamp body, the clamping arm and the ultrasonic tool bit structure form a jaw, the negative pressure pipe is detachably arranged on the second clamp body, one end of the negative pressure pipe extends to the jaw, and the other end of the negative pressure pipe is used for connecting external negative pressure. By arranging the negative pressure tube, the splash of blood, tissue fluid and the like is avoided in the operation process of cutting and resecting tissues by the operation, the operation visual field is influenced, and the pollution risk is avoided.

Description

Ultrasonic knife assembly

Technical Field

The utility model belongs to the technical field of surgical tools, and particularly relates to an ultrasonic knife assembly.

Background

Along with the development of modern technology, ultrasonic knives are widely used in the operation process, the ultrasonic knives mainly adopt cavitation effect and mechanical vibration effect, the knife head contacts tissue protein under ultrahigh vibration frequency, moisture in the tissue is rapidly vaporized, protein hydrogen bonds are broken, and protein is denatured and coagulated, so that the effects of cutting, coagulating and hemostasis are achieved. Therefore, during the operation of incising and resecting the tissue, the splash of blood, tissue fluid and the like can be generated to influence the operation field, and if the splash is on the mask or the operating coat of the operator, a certain pollution risk exists. On the other hand, if bleeding is relatively large in the incision and resection process, blood is not sucked in time, and the cutting hemostasis function of the ultrasonic knife can be directly influenced to a great extent. In addition, in the process of performing surgical incision and resection on the deep lacuna mucosa tissue by the ultrasonic knife, all detail parts are difficult to be irradiated by the shadowless lamp, so that how to ensure sufficient exposure of the surgical field of the deep lacuna part is critical to the incision and resection operation.

Therefore, it is necessary to provide an ultrasonic blade which can illuminate each detail part to be incised and resected at any time without affecting the operation field by the splash of blood, tissue fluid, etc.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide an ultrasonic blade assembly that avoids the surgical environment affecting the surgical field of view, in view of the deficiencies of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an ultrasonic blade assembly comprising:

the ultrasonic clamp comprises a first clamp body, a second clamp body, a negative pressure pipe and a transducer, wherein the first clamp body is connected with the second clamp body through a pin shaft, a cavity for accommodating the transducer is axially formed in the first clamp body, an ultrasonic tool bit structure connected with the transducer is arranged at the front end of the first clamp body, the ultrasonic tool bit structure comprises a cutter bar and a sleeve connected with the front end of the first clamp body, the cutter bar penetrates through the sleeve and is movably connected with the front end of the transducer in the cavity, the rear end of the transducer is used for being electrically connected with a corresponding ultrasonic system host through a circuit, a clamping arm is arranged at the front end of the second clamp body, a jaw is formed by the clamping arm and the ultrasonic tool bit structure, the negative pressure pipe is detachably arranged on the second clamp body, one end of the negative pressure pipe extends to the jaw, and the other end of the negative pressure pipe is used for being connected with external negative pressure.

In one embodiment, the first clamp body is integrally formed with the ultrasonic blade structure.

In one embodiment, a miniature LED lamp is arranged at the pin shaft connecting part of the first clamp body and the second clamp body, and the miniature LED lamp irradiates towards the jaw direction.

In one embodiment, the clamping arm is movably provided with a pad with anti-slip saw teeth.

In one embodiment, the first clamp body is a hollow cylinder structure with a handle.

In one embodiment, the device further comprises a switch assembly arranged on the first clamp body, and the switch assembly controls the starting and stopping of the transducer.

In one embodiment, the switch assembly includes a button and an FPC flexible circuit board, the button is disposed on a surface of the housing of the first clamp body, the FPC flexible circuit board is disposed in the cavity, the button is electrically connected to the FPC flexible circuit board, and the FPC flexible circuit board is electrically connected to the transducer.

In one embodiment, the knife bar is coaxially disposed with the sleeve.

In one embodiment, the negative pressure pipe is a rigid pipe, a plurality of clamping grooves are formed in the outer surface of the second clamp body, the negative pressure pipe is clamped in the clamping grooves, and the rear end of the negative pressure pipe is connected with external negative pressure through a hose.

Due to the adoption of the technical scheme, the beneficial effects obtained by the utility model include: by arranging the negative pressure pipe, the splash of blood, tissue fluid and the like is avoided in the operation process of incising and resecting tissues by an operation, the operation visual field is influenced, and the pollution risk is avoided; through setting up miniature LED lamp, make its operation cut the in-process of excision, miniature LED lamp shines all detail positions, guarantees the abundant exposure of the operation field of deep cavity clearance position, makes things convenient for the operation of cutting excision.

Drawings

Fig. 1 is a schematic structural view of an ultrasonic blade assembly of the present utility model.

Fig. 2 is an enlarged view of a portion of the jaw of fig. 1.

Reference numerals illustrate:

11-a first clamp body; 12-a second clamp body; 121-a clamp arm; 1211-a pad; 13-jaw; 131-knife bar; 132-a sleeve; 14-a negative pressure pipe; 15-a transducer; 16-micro LED lamp; 17-cable.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-2, the present utility model provides an ultrasonic blade assembly comprising: the ultrasonic clamp comprises a first clamp body 11, a second clamp body 12, a negative pressure tube and a transducer, wherein the first clamp body 11 is connected with the second clamp body 12 through a pin shaft, a cavity for accommodating the transducer 15 (which is not visible in an internal diagram) is axially formed in the first clamp body 11, an ultrasonic tool bit structure connected with the transducer is arranged at the front end of the first clamp body 11, the ultrasonic tool bit structure comprises a cutter bar 131 and a sleeve 132 connected with the front end of the first clamp body 11, the cutter bar 131 penetrates through the sleeve 132 and is movably connected with the front end of the transducer in the cavity, the rear end of the transducer is used for being electrically connected with a corresponding ultrasonic system host through a cable 17, a clamping arm 121 is arranged at the front end of the second clamp body 12, the clamping arm 121 and the ultrasonic tool bit structure form a jaw 13, the negative pressure tube is detachably arranged on the second clamp body 12, one end of the negative pressure tube extends to the jaw, and the other end of the negative pressure tube is used for being connected with external negative pressure.

The ultrasonic knife subassembly is through setting up the negative pressure pipe, makes its operation in-process that cuts the excision tissue avoid producing splashing of blood, interstitial fluid etc. to influence the operation field of vision, avoids polluting the risk simultaneously.

It can be understood that the rear end of the cavity of the first forceps body can be sealed by the clamping plate, and the ultrasonic cutter head structure can realize the forceps and clamping of tissues during operation; the energy converter is utilized to convert high-frequency electric energy into mechanical vibration energy, and the vibration energy is amplified and transferred to the cutter head, so that accurate cutting and hemostasis of tissues are realized; in surgery, it is often necessary for the ultrasound host to output different power depending on the operational requirements of the tissue, for example, lower power may be output if hemostasis of the tissue is required and higher power may be output if cutting of the tissue is required.

In order to stabilize the structure, in one embodiment, the first clamp body 11 is integrally formed with the ultrasonic blade structure. The first clamp body 11 is of a hollow cylinder structure with a handle. It will be appreciated that the handle structure is a ring with a blank area in the centre of the ring, which provides a gripping space.

In one embodiment, a pin shaft connecting portion of the first clamp body 11 and the second clamp body 12 is provided with a micro LED lamp 16, and the micro LED lamp 16 irradiates in a jaw direction. The miniature LED lamp can also set up in the first pincers body 11 is close to supersound tool bit structure department, and it should be understood that the setting of miniature LED lamp does not influence the switching of keeping silent, is equipped with the step-down circuit board in the cavity of the first pincers body 11, the electric wire of miniature LED lamp walk the inside of the first pincers body 11 and with step-down circuit board is connected, step-down circuit board is connected with external power source in order to change high voltage into low voltage, and above-mentioned miniature LED lamp adopts the cable to link to each other with external power source is direct, avoids setting up the recess that holds the battery to influence the leakproofness of the first pincers body 11. Through setting up miniature LED lamp, make its operation cut the in-process of excision, miniature LED lamp shines all detail positions, guarantees the abundant exposure of the operation field of deep cavity clearance position, makes things convenient for the operation of cutting excision.

In one embodiment, the clamping arm 121 is movably provided with a pad 1211 with anti-slip serrations for anti-slip clamping tissue.

In one embodiment, the ultrasonic blade assembly further comprises a switch assembly disposed on the first jaw body 11, the switch assembly controlling the activation and deactivation of the transducer. Correspondingly, the switch assembly comprises a button and an FPC flexible circuit board, the button is arranged on the surface of the shell of the first clamp body 11, the FPC flexible circuit board is arranged in the cavity, the button is electrically connected with the FPC flexible circuit board, and the FPC flexible circuit board is electrically connected with the transducer.

In one embodiment, the knife bar is coaxially disposed with the sleeve. The transducer converts high-frequency electric energy into mechanical vibration energy, and amplifies and transmits the vibration energy to the cutter bar, the cutter bar vibrates, the cutter bar is coaxially arranged with the sleeve, so that the gap between the surface of the cutter bar and the inner side of the sleeve is equal, and the influence of the contact of the cutter bar and the sleeve on the vibration effect is avoided.

In one embodiment, the negative pressure pipe is a rigid pipe, a plurality of clamping grooves are formed in the outer surface of the second clamp body 12, the negative pressure pipe is clamped in the clamping grooves, and the rear end of the negative pressure pipe is connected with external negative pressure through a hose. When the negative pressure pipe of the ultrasonic knife needs to be cleaned, the negative pressure pipe is only required to be removed from the clamping groove for cleaning, the cleaning of the negative pressure pipe is prevented from influencing electronic components of the ultrasonic knife assembly, and the service life of the ultrasonic knife assembly is prolonged.

The foregoing description of the embodiments is provided to facilitate the understanding and appreciation of the utility model by those skilled in the art. It will be apparent to those skilled in the art that various modifications can be made to these teachings and that the general principles described herein may be applied to other embodiments without the need for inventive faculty. Therefore, the utility model is not limited to the above description and the description of the embodiments, and those skilled in the art, based on the disclosure of the utility model, should make improvements and modifications without departing from the scope of the utility model.

Claims

1. An ultrasonic blade assembly, comprising: the ultrasonic clamp comprises a first clamp body, a second clamp body, a negative pressure pipe and a transducer, wherein the first clamp body is connected with the second clamp body through a pin shaft, a cavity for accommodating the transducer is axially formed in the first clamp body, an ultrasonic tool bit structure connected with the transducer is arranged at the front end of the first clamp body, the ultrasonic tool bit structure comprises a cutter bar and a sleeve connected with the front end of the first clamp body, the cutter bar penetrates through the sleeve and is movably connected with the front end of the transducer in the cavity, the rear end of the transducer is used for being electrically connected with a corresponding ultrasonic system host through a circuit, a clamping arm is arranged at the front end of the second clamp body, a jaw is formed by the clamping arm and the ultrasonic tool bit structure, the negative pressure pipe is detachably arranged on the second clamp body, one end of the negative pressure pipe extends to the jaw, and the other end of the negative pressure pipe is used for being connected with external negative pressure.

2. The ultrasonic blade assembly of claim 1, wherein the first clamp body is integrally formed with the ultrasonic blade structure.

3. The ultrasonic blade assembly of claim 1, wherein the pin shaft connection portion of the first and second clamp bodies is provided with a micro LED lamp, and the micro LED lamp irradiates in the jaw direction.

4. The ultrasonic blade assembly of claim 1, wherein the clamp arm is movably provided with a pad having anti-slip serrations.

5. The ultrasonic blade assembly of claim 1, wherein the first clamp body is a hollow cylinder structure with a handle.

6. The ultrasonic blade assembly of claim 1, further comprising a switch assembly disposed on the first clamp body, the switch assembly controlling the activation and deactivation of the transducer.

7. The ultrasonic blade assembly of claim 6, wherein the switch assembly comprises a button and an FPC flex circuit board, the button is disposed on the surface of the housing of the first clamp body, the FPC flex circuit board is disposed in the cavity, the button is electrically connected to the FPC flex circuit board, and the FPC flex circuit board is electrically connected to the transducer.

8. The ultrasonic blade assembly of claim 1, wherein the blade bar is disposed coaxially with the sleeve.

9. The ultrasonic knife assembly of claim 1, wherein the negative pressure tube is a rigid tube, a plurality of clamping grooves are formed in the outer surface of the second clamp body, the negative pressure tube is clamped in the clamping grooves, and the rear end of the negative pressure tube is connected with external negative pressure through a hose.