CN217115108U

CN217115108U - Ultrasonic cutter conductive structure

Info

Publication number: CN217115108U
Application number: CN202220465110.5U
Authority: CN
Inventors: 邱学文; 付金碧; 肖帆
Original assignee: Wuhan Banbiantian Medical Technology Development Co Ltd
Current assignee: Wuhan Banbiantian Medical Technology Development Co Ltd
Priority date: 2022-03-05
Filing date: 2022-03-05
Publication date: 2022-08-02
Anticipated expiration: 2032-03-05

Abstract

The utility model discloses an ultrasonic cutter conductive structure, which comprises a handle, an energy converter arranged in the handle and a cutter conductive ring component contacted with the energy converter; the cutter conducting ring assembly comprises a circular conducting ring seat, an elastic gasket is arranged in a groove formed in the middle of the conducting ring seat, and a conducting inner ring and a conducting outer ring are sequentially arranged on the elastic gasket and close to the inner side wall and the outer side wall of the conducting ring seat; at least two convex surfaces which are uniformly distributed are respectively arranged at the corresponding positions of the front ends of the conductive inner ring and the conductive outer ring. The connection contact area of the ultrasonic knife and the conducting ring of the transducer is larger and more stable. The transducer conducting ring can not be worn by repeated use, the problem of harsh noise generated by unstable connection at the connection part of the cutter and the transducer circuit is solved, noise interference in the use of a doctor is avoided, and the use feeling of the cutter in the operation process of the doctor is improved.

Description

Ultrasonic cutter conductive structure

Technical Field

The utility model relates to the technical field of medical equipment, more specifically relate to an supersound cutter conducting structure, when the surgery operation, the cutter is connected with the transducer and stabilizes, stops cutter and transducer conducting ring junction because of being connected the special sound of thorn ear that unstable produced, has avoided the noise interference in the doctor use, promotes the use impression of doctor operation in-process cutter, and repetitious usage can not harm the transducer conducting ring.

Background

The application of ultrasound in surgical operations is generally to convert and transmit ultrasonic energy into biological tissues, the thermal effect of which generates mechanical vibration to break the hydrogen bonds of tissue proteins, denature and coagulate the proteins, and in particular to coagulate, stanch and cut tissues by using the generated mechanical energy and thermal energy. In a surgical instrument, an ultrasonic generator (ultrasonic device main unit) generates high-frequency electric energy, converts the high-frequency electric energy into mechanical vibration energy by using a piezoelectric material or an electromagnetic compression material through a transducer, and amplifies and transmits the vibration energy to an action end (or a cutter head of a cutter bar).

The frequency range that the people's ear can be heard is 20 ~ 20000Hz, and supersound sword frequency working range is more than 20000Hz, and the people's ear is inaudible under the normal condition, but if supersound cutter and transducer circuit junction do not connect well, can lead to the junction to produce the vibration that is less than 20000Hz frequency to can send the audible sharp-pointed harsh of people's ear sound, it is great to the ear injury, can influence the hearing for a long time.

Common supersound sword conducting structure is connected for some, face with the transducer conducting ring, during the installation transducer, because transducer and supersound cutter arbor are threaded connection mode, leads to the transducer to need rotate into, because some, face area of contact are little, and unit area atress is big, and the recess can be ground out on the transducer conducting ring to transducer repetitious usage, can influence the connection steadiness of supersound cutter and transducer to can produce the special sound of dazzling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an supersound cutter conductive structure to the above-mentioned problem that prior art exists, simple structure, convenient to use solves the cutter abnormal sound, can not harm the transducer conducting ring after the transducer repetitious usage.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an ultrasonic cutter conducting structure comprises a handle, a transducer arranged in the handle and a cutter conducting ring assembly contacted with the transducer;

the cutter conducting ring assembly comprises a circular conducting ring seat, an elastic gasket is arranged in a groove formed in the middle of the conducting ring seat, and a conducting inner ring and a conducting outer ring are sequentially arranged on the elastic gasket and close to the inner side wall and the outer side wall of the conducting ring seat;

at least two convex surfaces which are uniformly distributed are respectively arranged at the corresponding positions of the front ends of the conductive inner ring and the conductive outer ring.

Optionally, the transducer has a conductive ring, and the front convex surfaces of the conductive inner ring and the conductive outer ring are in face-to-face contact with the conductive ring.

Optionally, the screw rod arranged at the front end of the transducer is in threaded connection with the ultrasonic knife rod arranged in the ultrasonic knife rod assembly.

Optionally, the ultrasonic switch button is disposed on the cutter conducting ring assembly and connected to the ultrasonic main machine through a cable provided at the tail of the transducer.

Optionally, a conducting ring clamping groove is formed in the middle of the handle, and the conducting ring clamping groove is used for mounting the cutter conducting ring assembly.

Preferably, four convex surfaces which are uniformly distributed are respectively arranged at corresponding positions of the front ends of the conductive inner ring and the conductive outer ring.

Optionally, the ultrasonic knife bar assembly is hinged to the head of the forceps, and the handle is connected to the ultrasonic knife bar assembly.

Compared with the prior art, the utility model, have following advantage: 1. the structure is simple, and the use is convenient; 2. the circuit connection contact area of the ultrasonic cutter and the transducer is larger and more stable. The transducer conducting ring can not be abraded after multiple use, the harsh noise generated at the joint of the cutter and the transducer conducting ring due to unstable connection is avoided, the noise interference in the use of a doctor is avoided, and the use feeling of the cutter in the operation process of the doctor is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of an ultrasonic tool assembled with a transducer

FIG. 2 is an enlarged partial schematic view of the ultrasonic tool assembled with the transducer;

FIG. 3 is a schematic diagram of a transducer;

FIG. 4 is a schematic view of a tool conducting ring assembly;

FIG. 5 is a cross-sectional view of the tool conducting ring assembly.

In the figure: 1. an ultrasonic blade bar assembly; 1-1, ultrasonic cutter bar; 2. a head part of the pliers; 3. an ultrasonic switch button; 4. a cutter conducting ring assembly; 4-1, a conductive ring seat; 4-2, an elastic gasket; 4-3, a conductive inner ring; 4-4, a conductive outer ring; 5. a handle; 5-1, conducting ring clamping grooves; 6-handle buckling; 7-a transducer; 7-1, a cable; 7-2, conducting rings; 7-3 and a screw.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected, and mechanically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The ultrasonic cutter conducting structure provided in this embodiment is shown in fig. 4 and 5, and includes a cutter conducting ring assembly 4 having a circular conducting ring seat 4-1, a groove formed in the middle of the conducting ring seat 4-1 is provided with an elastic gasket 4-2, and a conducting inner ring 4-3 and a conducting outer ring 4-4 are sequentially disposed on the elastic gasket 4-2 and close to the inner and outer side walls of the conducting ring seat 4-1; the front ends of the conductive inner ring 4-3 and the conductive outer ring 4-4 are respectively provided with 4 (including but not limited to) convex surfaces which are uniformly distributed.

As shown in FIGS. 1 and 3, a transducer 7 is arranged in the handle 5, the transducer 7 has a conductive ring 7-2, and the conductive inner ring 4-3, the convex surface at the front end of the conductive outer ring 4-4 and the conductive ring 7-2 are in face-to-face contact.

As shown in fig. 1 and 2, a conducting ring slot 5-1 is formed at the middle end of the handle 5, and the cutter conducting ring assembly 4 is fixed in the conducting ring slot 5-1 formed in the handle 5; a screw 7-3 arranged at the front end of the transducer 7 is in threaded connection with an ultrasonic cutter bar 1-1 arranged on the ultrasonic cutter bar component 1; the ultrasonic cutter bar component 1 is hinged with the head part 2, a hole on the buckle 6 is connected with a hole bolt at the tail end of the head part 2, and meanwhile, a groove on the ultrasonic cutter bar component 1 is connected with a boss on the handle 5 in a clamping manner. The ultrasonic switch button 3 is welded on the cutter conducting ring component 4 and is connected with an ultrasonic main machine through a cable 7-1 arranged at the tail part of the transducer 7.

The conductive structure of the cutter is characterized in that the circuit connection mode of the cutter circuit and the transducer is circular ring-shaped and surface-contact, 4 convex surfaces are equally divided at the front ends of the inner conductive ring and the outer conductive ring of the cutter, and the contact area of the conductive rings is larger and more stable. The noise generated by the unstable connection of the cutter and the transducer conducting ring is avoided, the noise interference in the use of a doctor is avoided, and the use feeling of the cutter in the operation process of the doctor is improved.

The above description of the embodiments is provided to enable any person skilled in the art to make or use the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should be able to make modifications and alterations within the scope of the present invention according to the present invention.

Claims

1. An ultrasonic cutter conducting structure comprises a handle (5) and a transducer (7) arranged in the handle (5), and is characterized by further comprising a cutter conducting ring assembly (4) contacted with the transducer (7);

the cutter conducting ring assembly (4) comprises a circular conducting ring seat (4-1), an elastic gasket (4-2) is arranged in a groove formed in the middle of the conducting ring seat (4-1), and a conducting inner ring (4-3) and a conducting outer ring (4-4) are sequentially arranged on the elastic gasket (4-2) and tightly attached to the inner side wall and the outer side wall of the conducting ring seat (4-1);

the front ends of the conductive inner ring (4-3) and the conductive outer ring (4-4) are respectively provided with at least two convex surfaces which are uniformly distributed.

2. The ultrasonic tool conductive structure according to claim 1, wherein the transducer (7) has a conductive ring (7-2), and the conductive inner ring (4-3), the conductive outer ring (4-4) and the conductive ring (7-2) are in face-to-face contact with each other.

3. The ultrasonic tool conducting structure according to claim 1, wherein a screw (7-3) provided at the front end of the transducer (7) is screwed with an ultrasonic tool bar (1-1) provided in the ultrasonic tool bar assembly (1).

4. The ultrasonic tool conducting structure according to claim 1, wherein an ultrasonic switch button (3) is arranged on the tool conducting ring assembly (4) and is connected with an ultrasonic main machine through a cable (7-1) arranged at the tail of a transducer (7).

5. The ultrasonic cutter conducting structure according to claim 1, wherein a conducting ring clamping groove (5-1) is formed in the middle of the handle (5), and the conducting ring clamping groove (5-1) is used for mounting the cutter conducting ring assembly (4).

6. The ultrasonic cutter conducting structure according to claim 1, wherein four convex surfaces are uniformly distributed at corresponding positions on the front ends of the conducting inner ring (4-3) and the conducting outer ring (4-4).

7. The ultrasonic cutter conducting structure according to claim 3, wherein the ultrasonic cutter bar assembly (1) is hinged to the head portion (2), and the handle (5) is connected to the ultrasonic cutter bar assembly (1).