CN220124768U - Ultrasonic knife capable of preventing power line from winding - Google Patents

Abstract

The utility model discloses an ultrasonic knife capable of preventing a power line from being wound, which comprises a main body, a transducer, a power line and a connecting mechanism, wherein the main body is provided with a containing cavity, the transducer is arranged in the containing cavity, one end of a cutter is connected with the transducer, the other end of the cutter stretches out of the containing cavity, the transducer is used for driving the cutter to vibrate, the connecting mechanism comprises a first connecting part and a second connecting part, the first connecting part is rotatably connected with the second connecting part, the first connecting part is electrically connected with the second connecting part, the power line is electrically connected with the first connecting part, the second connecting part is electrically connected with the transducer, the power line is used for supplying power to the transducer, the power line can be rotatably connected with the transducer, and the power line can rotate relative to the transducer through the connecting mechanism so that the power line cannot be wound.

Description

Ultrasonic knife capable of preventing power line from winding

Technical Field

The utility model relates to the technical field related to medical appliances, in particular to an ultrasonic knife capable of preventing a power line from being wound.

Background

In the prior art, ultrasonic knives include a cutter, a transducer, and a power supply. One end of the energy converter is fixedly connected with the cutter, and the other end of the energy converter is connected with a power line in the power supply device. During surgery, it is often necessary to adjust the angle of the cutter to match the angle of the incision of the tissue in the abdominal cavity. However, when the tool is rotated, the transducer rotates following the rotation of the tool, causing the power cord fixedly connected to the transducer to rotate therewith, thereby causing the power cord to wind. And, the more the number of times the cutter is rotated, the tighter the power cord is wound, affecting doctor operation.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an ultrasonic knife capable of preventing a power line from being wound, and the problem of power line winding can be solved.

An ultrasonic blade for preventing a power cord from being wound according to an embodiment of a first aspect of the present utility model includes: the main part, transducer, power cord and coupling mechanism, the main part has holds the chamber, the transducer is located hold the chamber, cutter one end with the transducer is connected, and the other end stretches out hold the chamber, the transducer is used for the drive the cutter vibration, coupling mechanism includes first adapting unit and second adapting unit, first adapting unit rotationally with second adapting unit is connected and first adapting unit with second adapting unit keeps electric connection, the power cord with first adapting unit electric connection, second adapting unit with transducer electric connection, the power cord is used for right the transducer power supply.

The ultrasonic knife for preventing the power line from being wound has the following advantages: through the coupling mechanism who sets up, the power cord can rotate relatively the transducer to make the power cord can not twine, at the operation in-process, the cutter rotates, and the transducer rotates together, and the second connecting part who is connected with the transducer rotates thereupon, and first connecting part is connected with the power cord, and power cord one end is fixed connection with external power source, and second connecting part rotates relatively around first connecting part, so that first connecting part keeps in original position with the power cord, takes place with the condition that reduces the power cord winding, makes things convenient for the doctor to perform the operation.

According to some embodiments of the utility model, the first connecting part comprises a rotating shaft, the second connecting part comprises a connecting sleeve, the connecting sleeve is provided with a connecting hole penetrating through the axis of the connecting sleeve, the rotating shaft penetrates through the connecting hole, and the rotating shaft can rotate around the axis of the connecting hole.

According to some embodiments of the utility model, a limiting piece is arranged at one end of the rotating shaft, which is close to the connecting sleeve, and the limiting piece is abutted with the end part of the connecting sleeve.

According to some embodiments of the utility model, the first connecting part further comprises a connecting piece and a conductive assembly, the second connecting part further comprises a conductive ring assembly, the conductive assembly is electrically connected with the power line, the conductive ring assembly is electrically connected with the transducer, the conductive assembly and the rotating shaft are both arranged on the connecting piece, the conductive assembly is parallel to the axis of the rotating shaft, the conductive ring assembly is in a ring shape, the connecting sleeve penetrates through the conductive ring assembly, the connecting piece is rotationally connected with the connecting sleeve through the rotating shaft, so that the conductive assembly can rotate around the axis of the conductive ring assembly, and the conductive assembly is electrically connected with the conductive ring assembly.

According to some embodiments of the utility model, the conductive assembly comprises a first conductive member and a second conductive member, wherein the conductive ring assembly is provided with a first conductive ring, an insulating ring and a second conductive ring from inside to outside, the first conductive member is abutted against and electrically connected with the first conductive ring, and the second conductive member is abutted against and electrically connected with the second conductive ring.

According to some embodiments of the utility model, the first conductive member and the second conductive member are each provided with a conductive portion, one end of the conductive portion is elastically connected to the connecting member, and the other end of the conductive portion is held in abutment with the corresponding first conductive ring and second conductive ring.

According to some embodiments of the utility model, the connecting piece is provided with a first sliding piece parallel to the rotating shaft, the first conductive piece and the second conductive piece are respectively provided with a second sliding piece, the second sliding piece is arranged at one end of the conductive part far away from the conductive ring assembly, the first sliding piece penetrates through the second sliding piece, the second sliding piece can slide along the axial direction of the first sliding piece, an elastic piece is arranged between the connecting piece and the conductive part, one end of the elastic piece is abutted against the connecting piece, the other end of the elastic piece is abutted against the conductive part so as to drive the conductive part to compress the corresponding first conductive ring and the second conductive ring, the first sliding piece is electrically connected with the power wire, and the second sliding piece is respectively electrically connected with the first sliding piece and the conductive part.

According to some embodiments of the utility model, a protrusion is provided at an end of the insulating ring near the first connection part, the protrusion separating the first conductive ring and the second conductive ring.

According to some embodiments of the utility model, the connector is rotatably connected with the body.

According to some embodiments of the utility model, the main body is provided with a through hole, the connecting piece is penetrated through the through hole, and the connecting piece is matched with the through hole to rotate.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a cross-sectional view of an embodiment of the present utility model;

FIG. 2 is an exploded view of the connection mechanism;

FIG. 3 is another directional view of FIG. 2;

fig. 4 is a partial enlarged view at a in fig. 1.

Reference numerals:

a main body 100, a cavity 110 and a through hole 120;

a transducer 200;

a cutter 300;

a power line 400;

the connecting mechanism 500, the first connecting component 510, the rotating shaft 511, the connecting piece 512, the first sliding piece 512A, the conductive component 513, the first conductive piece 514, the second conductive piece 515, the conductive portion 516, the second sliding piece 516A, the elastic piece 517, the limiting piece 518, the second connecting component 520, the connecting sleeve 521, the connecting hole 522, the conductive ring component 523, the first conductive ring 524, the insulating ring 525, the protruding portion 525A, and the second conductive ring 526.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, an ultrasonic blade for preventing a power cord from being wound according to a first aspect of the present utility model includes a main body 100, a transducer 200, a power cord 400 and a connection mechanism 500, wherein the main body 100 has a cavity 110, the transducer 200 is disposed in the cavity 110, one end of the blade 300 is connected to the transducer 200, and the other end extends out of the cavity 110, the transducer 200 is used for driving the blade 300 to vibrate, the connection mechanism 500 includes a first connection member 510 and a second connection member 520, the first connection member 510 is rotatably connected with the second connection member 520 and the first connection member 510 is electrically connected with the second connection member 520, the power cord 400 is electrically connected with the transducer 200, and the power cord 400 is used for supplying power to the transducer 200, so that the power cord 400 is rotatably connected with the transducer 200, and the power cord 400 is kept at a substantially original position, thereby reducing the occurrence of the winding of the power cord 400 and facilitating the operation of a doctor.

Specifically, the cutter 300 supplies energy to perform high-frequency vibration cutting through the transducer 200, the power cord 400 can rotate relative to the transducer 200 through the connecting mechanism 500, so that the power cord 400 is not wound, during operation, the cutter 300 rotates, the transducer 200 rotates together, the second connecting part 520 connected with the transducer 200 rotates along with the rotation, the first connecting part 510 is connected with the power cord 400, one end of the power cord 400 is fixedly connected with an external power supply, so that the second connecting part 520 rotates relatively around the first connecting part 510, and the first connecting part 510 and the power cord 400 are kept at the original positions approximately, so that the winding condition of the power cord 400 is reduced, and the doctor can perform the operation conveniently.

Referring to fig. 1 to 3, in some embodiments of the present utility model, the first connection part 510 includes a rotation shaft 511, the second connection part 520 includes a connection sleeve 521, the connection sleeve 521 is provided with a connection hole 522 penetrating through an axis thereof, the rotation shaft 511 is penetrated through the connection hole 522, the rotation shaft 511 can rotate around the axis of the connection hole 522, and particularly, the rotation shaft 511 is in clearance fit with the connection hole 522, and the rotation shaft 511 can rotate in the connection hole 522, so that the first connection part 510 and the second connection part 520 can relatively rotate, and the structure is simple.

Referring to fig. 1 to 3, in some embodiments of the present utility model, a limiting member 518 is disposed at an end of the rotating shaft 511 near the connecting sleeve 521, the limiting member 518 abuts against an end of the connecting sleeve 521, specifically, the rotating shaft 511 is disposed through the connecting hole 522, and the limiting member 518 can abut against the end of the connecting sleeve 521, so that the rotating shaft 511 is not separated from the connecting hole 522, so as to maintain a rotational connection, and the connection is more stable.

Referring to fig. 1 to 3, in some embodiments of the present utility model, the first connection component 510 further includes a connection element 512 and a conductive component 513, the second connection component 520 further includes a conductive ring component 523, the conductive component 513 is electrically connected with the power cord 400, the conductive ring component 523 is electrically connected with the transducer 200, the conductive component 513 and the rotating shaft 511 are both disposed on the connection element 512, the conductive component 513 is disposed parallel to the axis of the rotating shaft 511, the conductive ring component 523 is in a ring shape, the connecting sleeve 521 is disposed through the conductive ring component, the connection element 512 is rotatably connected with the connecting sleeve 521 through the rotating shaft 511, so that the conductive component 513 can rotate around the axis of the conductive ring component 523, and the conductive component 513 is electrically connected with the conductive ring component 523, specifically, the connection element 512 can be an insulating plastic member, the rotating shaft 511 and the conductive component 513 are disposed on the connection element 512, the conductive ring component 523 is sleeved on the connecting sleeve 521 and is fixedly connected with the connecting sleeve, the transducer 200 needs to be externally supplied with power, the conductive ring component 513 is electrically connected with the transducer 200 to serve as a power receiving point of the transducer 200, and the conductive component 513 is electrically connected with the power cord 400, and serves as a power supply end, the conductive component 513 is rotatably connected with the connecting sleeve 523, and the conductive component is in contact with the ring 513 is in contact with the annular component 513, so that one side of the conductive component is electrically connected with the conductive component 523, and the conductive component 523 is electrically connected with the conductive component 523.

Referring to fig. 1 to 3, in some embodiments of the present utility model, the conductive component 513 includes a first conductive member 514 and a second conductive member 515, the conductive ring component 523 is provided with a first conductive ring 524, an insulating ring 525 and a second conductive ring 526 from inside to outside, the first conductive member 514 is abutted and electrically connected with the first conductive ring 524, the second conductive member 515 is abutted and electrically connected with the second conductive ring 526, specifically, the first conductive ring 524 and the second conductive ring 526 are made of conductive metal materials, the first conductive ring 524 and the second conductive ring 526 can be concentrically arranged in a mold at intervals to be injection molded into the conductive ring component 523, wherein the filled plastic member is the insulating ring 525, and the three rings can be tightly connected with each other through integral injection molding and have a certain strength. In addition, the general power cord 400 has a live wire and a neutral wire, the first conductive component 513 may be connected to the live wire, the second conductive component 513 is connected to the neutral wire, and the first conductive ring 524 is connected to the live wire end of the transducer 200, and the second conductive ring 526 is connected to the neutral wire end of the transducer 200, so as to form a loop for supplying power to the transducer 200, and the insulating ring 525 is provided to separate the two rings to avoid a short circuit.

It should be noted that the connection between the conductive member 513 and the conductive ring member 523 is not limited to the above embodiment, and other embodiments may be adopted, for example, the first conductive member 514 may be connected to a neutral wire, the second conductive member 515 may be connected to a live wire, and the first conductive ring 524 may be connected to the neutral wire end of the transducer 200, and the second conductive ring 526 may be connected to the live wire end of the transducer 200.

Referring to fig. 1 to 4, in some embodiments of the present utility model, the first conductive member 514 and the second conductive member 515 are provided with a conductive portion 516, one end of the conductive portion 516 is elastically connected to the connecting member 512, and the other end of the conductive portion 516 is kept in contact with the corresponding first conductive ring 524 and the second conductive ring 526, specifically, the conductive portion 516 is in contact with the first conductive ring 524 and the second conductive ring 526 to form a circuit, and through the elastic connection, the conductive portion 516 can be pressed against the first conductive ring 524 and the second conductive ring 526 under the driving of the elastic force so as to keep the circuit connection, so that the connection is more stable, and the occurrence of the open circuit is reduced.

Referring to fig. 1 to 4, in some embodiments of the present utility model, the connecting member 512 is provided with a first sliding member 512A disposed parallel to the rotating shaft 511, the first conductive member 514 and the second conductive member 515 are each provided with a second sliding member 516A, the second sliding member 516A is disposed at one end of the conductive portion 516 away from the conductive ring assembly 523, the first sliding member 512A is disposed through the second sliding member 516A, and the second sliding member 516A can slide along the axial direction of the first sliding member 512A, an elastic member 517 is disposed between the connecting member 512 and the conductive portion 516, one end of the elastic member 517 abuts against the connecting member 512, and the other end abuts against the conductive portion 516, so as to drive the conductive portion 516 to compress the corresponding first conductive ring 524 and the second conductive ring 526, and the first sliding member 512A is electrically connected with the power cord 400, and the second sliding member 516A is electrically connected with the first sliding member 512A and the conductive portion 516 respectively, the first sliding member 512A may be a cylinder and made of a conductive material, the first sliding member 512A is connected with a live wire of the power cord 400, the second sliding member 516A may be a hollow cylinder and made of a conductive material, the first sliding member 512A is penetrated through the first sliding member 516A, the second sliding member 516A can slide along the first sliding member 512A, and the conductive portion 516 can slide along with the first sliding member, the elastic member 517 may be a spring, and the conductive member can be driven by the elastic member 517 to slide in a direction far away from the connecting member 512, so that the conductive member is tightly abutted with the first conductive ring 524 and the second conductive ring 526 to maintain electrical connection, so as to reduce occurrence of breakage, and simultaneously, the first sliding member 512A is inserted into the second sliding member 516A in a rotation process of the connecting member 512, so that a transverse moment can be transmitted, a rotation support can be provided for the conductive portion 516, and the conductive portion 516 can be stably rotated.

It should be noted that, the first sliding member 512A and the second sliding member 516A are not limited to the above embodiments, and other embodiments may be adopted, for example, the first sliding member 512A may also be a hollow cylinder, the second sliding member 516A may be a cylinder, and the second sliding member 516A is disposed on the first sliding member 512A in a penetrating manner to slide in a matching manner.

Referring to fig. 1 to 4, in some embodiments of the present utility model, a protrusion 525A is provided at an end of the insulating ring 525 near the first connection part 510, the protrusion 525A separates the first conductive ring 524 and the second conductive ring 526, specifically, the protrusion 525A may be annular, and when the conductive member abuts against the two conductive rings, the protrusion 525A can separate the conductive member and limit the conductive member from crossing to the other conductive ring, so as to reduce occurrence of a short circuit.

Referring to fig. 1, in some embodiments of the present utility model, the connection member 512 is rotatably connected with the main body 100, and in particular, the connection member 512 may be a cylindrical connection member 512 rotatably connected with the main body 100, so as to facilitate the relative rotation between the power cord 400 and the main body 100.

Referring to fig. 1, in some embodiments of the present utility model, the body 100 is provided with a through hole 120, the connection member 512 is penetrated through the through hole 120, and the connection member 512 is rotated in cooperation with the through hole 120, specifically, the through hole 120 is clearance-fitted with the connection member 512, the connection member 512 can be rotated, and in operation, the body 100 can be rotated relative to the connection member 512, thereby keeping the power cord 400 from being rotated.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An ultrasonic knife for preventing power line from winding, which is characterized by comprising

A body (100) having a cavity (110);

a transducer (200) disposed in the cavity (110);

a cutter (300), one end of which is connected with the transducer (200), and the other end of which extends out of the accommodating cavity (110), wherein the transducer (200) is used for driving the cutter (300) to vibrate;

a power supply line (400);

coupling mechanism (500), including first connecting part (510) and second connecting part (520), first connecting part (510) rotationally with second connecting part (520) are connected and first connecting part (510) with second connecting part (520) keep electric connection, power cord (400) with first connecting part (510) electric connection, second connecting part (520) with transducer (200) electric connection, power cord (400) are used for right transducer (200) power supply.

2. An ultrasonic blade for preventing winding of a power cord according to claim 1, characterized in that the first connecting member (510) comprises a rotary shaft (511), the second connecting member (520) comprises a connecting sleeve (521), the connecting sleeve (521) is provided with a connecting hole (522) penetrating through the axis thereof, the rotary shaft (511) penetrates through the connecting hole (522), and the rotary shaft (511) can rotate around the axis of the connecting hole (522).

3. An ultrasonic knife for preventing power line winding according to claim 2, characterized in that a limiting piece (518) is arranged at one end of the rotating shaft (511) close to the connecting sleeve (521), and the limiting piece (518) is abutted with the end of the connecting sleeve (521).

4. An ultrasonic blade for preventing a power cord from being wound according to claim 3, wherein the first connecting component (510) further comprises a connecting piece (512) and a conductive component (513), the second connecting component (520) further comprises a conductive ring component (523), the conductive component (513) is electrically connected with the power cord (400), the conductive ring component (523) is electrically connected with the transducer (200), the conductive component (513) and the rotating shaft (511) are both arranged on the connecting piece (512), the conductive component (513) and the rotating shaft (511) are arranged in parallel, the conductive ring component (523) is in a ring shape, the connecting sleeve (521) is arranged on the conductive ring component (523) in a penetrating manner, the connecting piece (512) is rotationally connected with the connecting sleeve (521) through the rotating shaft (511) so that the conductive component (513) can rotate around the axis of the conductive ring component (523), and the conductive component (513) is electrically connected with the conductive ring component (523).

5. The ultrasonic knife for preventing power cord winding according to claim 4, wherein the conductive component (513) comprises a first conductive member (514) and a second conductive member (515), the conductive ring component (523) is provided with a first conductive ring (524), an insulating ring (525) and a second conductive ring (526) from inside to outside, the first conductive member (514) is abutted to and electrically connected with the first conductive ring (524), and the second conductive member (515) is abutted to and electrically connected with the second conductive ring (526).

6. The ultrasonic knife for preventing power cord winding according to claim 5, wherein the first conductive member (514) and the second conductive member (515) are provided with conductive portions (516), one end of each conductive portion (516) is elastically connected to the connecting member (512), and the other end of each conductive portion is held in abutment with the corresponding first conductive ring (524) and second conductive ring (526).

7. The ultrasonic knife of claim 6, wherein the connecting member (512) is provided with a first sliding member (512A) parallel to the rotating shaft (511), the first conductive member (514) and the second conductive member (515) are respectively provided with a second sliding member (516A), the second sliding member (516A) is disposed at one end of the conductive member (516) away from the conductive ring assembly (523), the first sliding member (512A) is disposed through the second sliding member (516A), the second sliding member (516A) can slide along the axial direction of the first sliding member (512A), an elastic member (517) is disposed between the connecting member (512) and the conductive member (516), one end of the elastic member (517) is abutted to the connecting member (512), the other end is abutted to the conductive member (516) so as to drive the conductive member (516) to compress the corresponding first conductive ring (524) and second conductive ring (526), and the first sliding member (512A) and the first sliding member (516) are electrically connected with the first sliding member (516A) and the second sliding member (516).

8. The ultrasonic blade of any one of claims 5-7, wherein the insulating ring (525) has a protrusion (525A) near one end of the first connecting member (510), the protrusion (525A) separating the first conductive ring (524) and the second conductive ring (526).

9. The ultrasonic blade of claim 4, wherein the connector (512) is rotatably coupled to the main body (100).

10. The ultrasonic blade for preventing the winding of the power cord according to claim 9, wherein the main body (100) is provided with a through hole (120), the connecting member (512) is penetrated through the through hole (120), and the connecting member (512) is matched with the through hole (120) to rotate.