CN214157452U

CN214157452U - Ultrasonic cutting hemostatic knife system transducer with fixing device

Info

Publication number: CN214157452U
Application number: CN202022908296.0U
Authority: CN
Inventors: 宋文健; 孙秋香
Original assignee: Tianjin Yuean Medical Technology Co ltd
Current assignee: Tianjin Yuean Medical Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-10
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to an ultrasonic surgery surgical instruments technical field especially relates to an ultrasonic cutting hemostatic knife system transducer with fixing device, include the transducer body, be located outside casing, fixing device and tool bit connecting portion and the host computer connecting portion of transducer body the casing top with set up the storage tank between the transducer body set up cyclic annular silicon rubber pad on the storage tank, fixing device including set up in the casing reference column of storage tank bottom, set up in between casing and the silicon rubber pad and with casing integrated into one piece's barricade structure and edge the storage tank with the direction inclined plane that sets up between the reference column, the barricade structure encircles the outward flange and the restriction of silicon rubber pad the silicon rubber pad removes. The utility model discloses can realize that transducer and cutter arbor are connected and are kept coaxial in same footpath, avoid appearing the transmission in the same direction, generate heat other problems such as.

Description

Ultrasonic cutting hemostatic knife system transducer with fixing device

Technical Field

The utility model relates to an ultrasonic surgical instrument technical field especially relates to an ultrasonic cutting hemostatic knife system transducer with fixing device.

Background

The ultrasonic cutting hemostatic knife has the working principle that electric energy is converted into mechanical energy through the energy converter, and the kinetic energy on the knife rod is amplified by the ultrasonic system in the handle to cut tissues. The protein hydrogen bonds are broken after the tissue contacted with the cutter head absorbs ultrasonic energy, and then the coagulation denaturation is carried out and the tissue is cut under the clamping pressure of the jaw, so that the effect of cutting and coagulating a whole is achieved.

The ultrasonic transducer is a key component in an ultrasonic cutting hemostasis system, converts electric energy output by a host machine into mechanical ultrasonic vibration, outputs the ultrasonic vibration to the action end of the cutter head through being in threaded connection with the center rod at the front end, and can generate standing waves of the longitudinal vibration on the end face when the ultrasonic transducer needs to use the longitudinal vibration on the end face in the using process.

Among the prior art, ultrasonic cutting hemostatic scalpel's transducer does not possess fixing device, can not guarantee that transducer and cutter arbor are connected and are kept coaxial in same footpath in the course of the work to can lead to transmitting other problems such as not smooth, generate heat in the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide an ultrasonic cutting hemostatic knife system transducer with fixing device.

The utility model discloses a realize through following technical scheme:

the utility model provides an ultrasonic cutting hemostasis sword system transducer with fixing device, includes the transducer body, is located the outside casing of transducer body to and set up in the tool bit connecting portion of transducer body front end and set up in the terminal host computer connecting portion of transducer body, tool bit connecting portion and host computer connecting portion respectively through the cable with this body coupling of transducer the casing top with set up the storage tank between the transducer body set up cyclic annular silicon rubber pad on the storage tank set up the fixing device along radial conduction of the supersound vibrations that can guarantee the transducer between transducer body and the casing.

Preferably, fixing device including set up in the storage tank bottom and with casing integrated into one piece's casing reference column, set up in between casing and the silicone rubber pad and with casing integrated into one piece's barricade structure and edge the storage tank with the direction inclined plane that sets up between the reference column, barricade structure encircles the outward flange and the restriction of silicone rubber pad removes.

The utility model has the advantages that:

owing to set up the barricade structure between casing and the silicon rubber pad to restricted the axial centering effect of transducer, kept the unanimity of acoustic conduction on vertical, set up the direction inclined plane between storage tank matching surface and reference column, in order to ensure the radial centering of transducer, reached the unanimity of acoustic conduction on vertical. Therefore, the transducer and the cutter bar are connected in the same radial direction to keep coaxial in the working process, and other problems of unsmooth transmission, heating and the like are avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the retaining wall structure of the present invention.

In the figure: 1. the transducer comprises a transducer body, 2 parts of a tool bit connecting part, 3 parts of a host connecting part, 4 parts of a shell, 5 parts of a containing groove, 6 parts of a silicone rubber pad, 7 parts of a retaining wall structure, 8 parts of a positioning column and 9 parts of a guide inclined plane.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the drawing, an ultrasonic cutting hemostasis sword system transducer with fixing device, include transducer body 1, be located 1 outside casing 4 of transducer body to and set up in the tool bit connecting portion 2 of 1 front end of transducer body and set up in 1 terminal host computer connecting portion 3 of transducer body, tool bit connecting portion 2 and host computer connecting portion 3 respectively through the cable with transducer body 1 connects 2 tops of casing with set up storage tank 5 between the transducer body 1 set up cyclic annular silicon rubber pad 6 on the storage tank 5 set up the fixing device that can guarantee the ultrasonic vibration of transducer along vertical conduction between transducer body 1 and the casing 4. The ultrasonic transducer is convenient to ensure to vibrate on the end face thereof under the action of the fixing device, thereby ensuring that the acoustic conduction is kept consistent in the longitudinal direction.

Preferably, fixing device including set up in storage tank 5 bottom and with casing integrated into one piece's casing reference column 8, set up in between casing 4 and the silicone rubber pad 6 and with casing 4 integrated into one piece's barricade structure 7 and edge storage tank 5 with direction inclined plane 9 that sets up between the reference column 8, barricade structure 7 encircles and is in the outward flange of silicone rubber pad 6 and restriction silicone rubber pad 6 removes. It is convenient for be in under the effect of barricade structure and direction inclined plane, the restriction silicone rubber pad removes to restricted the axial centering effect of transducer, the direction inclined plane can guarantee to keep simultaneously the transducer with the cutter arbor is connected and is kept coaxial in same footpath.

When the ultrasonic cutting hemostatic knife works, the transducer bit connecting part 2 of the ultrasonic cutting hemostatic knife is connected with a bit, after the host connecting part 3 of the transducer of the ultrasonic cutting hemostatic knife is communicated with a host, the transducer converts electric energy received from the host into mechanical ultrasonic vibration and transmits the mechanical ultrasonic vibration in the transducer body 1, and the silicone rubber pad 6 positioned between the shell 4 and the transducer body 1 is limited to move under the fixing action of the retaining wall structure 7, so that the axial centering effect of the transducer is limited, the transducer can realize longitudinal vibration on the end surface of the transducer, and the consistency of acoustic conduction in the longitudinal direction is kept; the guide inclined plane 9 arranged along the matching surface of the accommodating groove 5 and the positioning column 8 can convert transverse waves propagating along the axial direction into longitudinal waves propagating along the radial direction when the transverse waves irradiate towards the guide inclined plane, so that acoustic conduction can be consistent in the longitudinal direction, when ultrasonic vibration is transmitted to a cutter head in threaded connection with a center rod in the cutter head connecting part 2, the transducer and the cutter rod can be kept coaxial in the same radial direction, the cutter head can be kept smooth when tissue cutting is carried out, and the problems of unsmooth transmission, heating and the like are avoided.

Owing to set up the barricade structure between casing and the silicon rubber pad to restricted the axial centering effect of transducer, kept the unanimity of acoustic conduction on vertical, set up the direction inclined plane between storage tank matching surface and reference column, in order to ensure the axial of transducer and tend to the well, reach the unanimity of acoustic conduction on vertical. Therefore, the transducer and the cutter bar are connected in the same radial direction to keep coaxial in the working process, and other problems of unsmooth transmission, heating and the like are avoided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an ultrasonic cutting hemostatic knife system transducer with fixing device which characterized in that: including the transducer body, be located the outside casing of transducer body to and set up in the tool bit connecting portion of transducer body front end with set up in the terminal host computer connecting portion of transducer body, tool bit connecting portion and host computer connecting portion respectively through the cable with this body coupling of transducer the casing top with set up the storage tank between the transducer body set up cyclic annular silicon rubber pad on the storage tank set up the fixing device who guarantees the ultrasonic vibration of transducer along vertical conduction between transducer body and the casing.

2. The transducer of an ultrasonic cutting hemostatic knife system with securing device of claim 1, wherein: fixing device including set up in the storage tank bottom and with casing integrated into one piece's casing reference column, set up in between casing and the silicon rubber pad and with casing integrated into one piece's barricade structure and edge the storage tank with the direction inclined plane that sets up between the reference column, the barricade structure encircles the outward flange and the restriction of silicon rubber pad removes.