CN219271136U - Ultrasonic transducer protective sheath and ultrasonic knife subassembly - Google Patents

Abstract

The utility model provides an ultrasonic transducer protective sleeve and an ultrasonic knife assembly, wherein the protective sleeve comprises a mounting structure and a flexible sleeve connected with the mounting structure, the mounting structure is detachably connected with a knife head assembly for assembling an ultrasonic transducer, one end of the mounting structure is provided with a mounting part which is used for extending into the knife head assembly and is connected with the inner wall of the knife head assembly, the other end of the mounting structure is fixedly connected with one end of the flexible sleeve, and the flexible sleeve is used for being sleeved on the periphery of the ultrasonic transducer. According to the ultrasonic transducer protective sleeve and the ultrasonic knife assembly, the protective sleeve can extend into the tool bit assembly to better protect the joint of the tool bit assembly and the ultrasonic transducer, and the ultrasonic transducer protective sleeve is fixed through the connection of the mounting part and the tool bit assembly without being fixed in a lacing way, so that the falling risk of the protective sleeve is reduced, and the probability of pollution of the ultrasonic transducer is reduced.

Description

Ultrasonic transducer protective sheath and ultrasonic knife subassembly

Technical Field

The utility model belongs to the technical field of medical treatment, and particularly relates to an ultrasonic transducer protective sleeve and an ultrasonic knife assembly.

Background

The ultrasonic surgical knife is mainly used for operations such as cutting biological tissues and closing blood vessels, has the characteristics of less bleeding, quick postoperative recovery and the like, and is widely applied in the medical field. In order to prevent the ultrasonic transducer from being polluted by blood flying scraps in operation, which causes the problem that the ultrasonic transducer is difficult to clean, an ultrasonic scalpel protective sleeve is often adopted to protect the ultrasonic transducer at present. The protective sheath on the market is mostly the tie, and specifically, the both ends of protective sheath all are equipped with the frenulum, twine through the frenulum and bind on the protruding structure of tool bit handle, need artifical wiring to bind and tie up fixedly during the use, the dynamics of artifical binding and the form of tying up all can lead to fixed insecure, have the risk that the relaxation drops in the use.

Disclosure of Invention

The embodiment of the utility model aims to provide an ultrasonic transducer protective sleeve and an ultrasonic knife assembly, which are used for solving the technical problem that a lacing type protective sleeve in the prior art is easy to fall off.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an ultrasonic transducer protective sheath, including mounting structure and with the flexible cover that mounting structure is connected, mounting structure can dismantle with the tool bit subassembly of equipment ultrasonic transducer and be connected, mounting structure's one end has be used for stretching into the tool bit subassembly is inside and with the inner wall connection's of tool bit subassembly installation department, mounting structure's the other end with the one end fixed connection of flexible cover, just flexible cover is used for the cover to establish ultrasonic transducer's periphery.

Optionally, the mounting portion is provided with a first connection portion for detachably connecting with the tool bit assembly.

Optionally, the first connection portion is configured to be in snap connection with the tool bit assembly, and the first connection portion is a first clamping portion; or alternatively, the process may be performed,

the first connecting part is used for being in threaded connection with the tool bit assembly, and is a first threaded part; or alternatively, the process may be performed,

the first connecting part is used for being in magnetic attraction connection with the tool bit assembly, and the first connecting part is a first magnetic attraction part.

Optionally, the mounting structure further comprises a mounting sleeve connected with the mounting part, and the flexible sleeve is fixedly connected with the mounting sleeve.

Optionally, the installation cover expose in the tool bit subassembly sets up, just the periphery of installation cover is provided with the concave structure or the protruding structure of being convenient for hold.

Optionally, a step structure for abutting against the end face of the tool bit assembly is arranged at the joint of the mounting part and the mounting sleeve, and the end face of the step structure for facing the tool bit assembly is a plane or a curved surface.

Optionally, the flexible sleeve is fixed to the inner side or the outer side of the mounting sleeve; alternatively, the mounting sleeve includes a first hard layer and a second hard layer that are stacked, and the flexible sleeve is fixed between the first hard layer and the second hard layer.

Optionally, the flexible sleeve is a telescoping folding sleeve and/or is transparent or translucent.

Optionally, the other end of the flexible sleeve is sleeved at one end, far away from the tool bit assembly, of the ultrasonic transducer through a sleeve joint piece.

Optionally, the sleeve joint piece is an elastic ring or an elastic ribbon.

The utility model also provides an ultrasonic knife assembly, which comprises an ultrasonic transducer, a knife head assembly acoustically connected with the ultrasonic transducer, and the ultrasonic transducer protective sleeve, wherein the ultrasonic transducer protective sleeve is detachably connected with the knife head assembly and completely covers the ultrasonic transducer.

Optionally, the mounting structure has a first connecting portion extending into the tool bit assembly, and a second connecting portion is disposed on an inner wall of the tool bit assembly, and the first connecting portion is detachably connected with the second connecting portion.

The ultrasonic transducer protective sleeve and the ultrasonic knife assembly provided by the utility model have the beneficial effects that: compared with the prior art, the ultrasonic transducer protective sleeve comprises the mounting structure and the flexible sleeve, one end of the mounting structure is provided with the mounting part, the mounting part can extend into the tool bit assembly to be connected with the inner wall of the tool bit assembly, the other end of the mounting structure is connected with the flexible sleeve, and the flexible sleeve is sleeved on the periphery of the ultrasonic transducer. So, this ultrasonic transducer protective sheath can stretch into the inside of tool bit subassembly, carries out better protection to the junction of tool bit subassembly and ultrasonic transducer, and the fixed ultrasonic transducer protective sheath of being connected through installation department and tool bit subassembly in addition need not to be fixed through the mode of frenulum, has reduced the risk of droing of protective sheath, has reduced the probability that ultrasonic transducer was polluted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a first ultrasonic transducer protective sleeve according to an embodiment of the present utility model;

figure 2 is a partial cross-sectional view of the ultrasound transducer protective sheath of figure 1;

FIG. 3 is a schematic diagram of an explosion diagram of a first ultrasonic blade assembly according to an embodiment of the present utility model;

FIG. 4 is a second exploded view of a first ultrasonic blade assembly according to an embodiment of the present utility model;

fig. 5 is a perspective view of a second ultrasonic transducer protective sleeve according to an embodiment of the present utility model;

fig. 6 is a side view of a second ultrasonic transducer protective sheath provided in an embodiment of the present utility model;

FIG. 7 is an exploded view of a second ultrasonic blade assembly according to an embodiment of the present utility model;

fig. 8 is a perspective view of a third ultrasonic transducer protective sleeve according to an embodiment of the present utility model;

FIG. 9 is an exploded view of a third ultrasonic blade assembly provided in accordance with an embodiment of the present utility model;

fig. 10 is a perspective view of a fourth ultrasonic transducer protective sleeve according to an embodiment of the present utility model;

FIG. 11 is an exploded view of a fourth ultrasonic blade assembly provided by an embodiment of the present utility model;

fig. 12 is a perspective view of a fifth ultrasonic transducer protective sleeve according to an embodiment of the present utility model;

FIG. 13 is an exploded view of a fifth ultrasonic blade assembly provided by an embodiment of the present utility model;

fig. 14 is a schematic structural diagram of an ultrasonic blade assembly connected to a power supply according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1-a protective sleeve; 11-a mounting structure; 111-mounting part; 112-mounting a sleeve; 1121-a first hard layer; 1122-a second hard layer; 1123-an anti-slip structure; 113 a-a first clamping portion; 113 b-a first magnetic attraction part; 113 c-a first threaded portion; 114-an insertion portion; 115-step structure; 12-a flexible sleeve; 2-a cutter head assembly; 21 a-a second clamping part; 21 b-a second magnetic attraction part; 211-a second magnetic unit; 21 c-a second threaded portion; 22-slots; 3-an ultrasonic transducer; 4-socket.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" 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 is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

An ultrasonic transducer protective cover 1 provided by an embodiment of the present utility model will now be described. The ultrasonic transducer protective sleeve 1 is used for protecting the ultrasonic transducer 3 and preventing blood, liquid medicine and the like from being stained with the ultrasonic transducer 3 in the operation process.

Referring to fig. 1 to 3, an end effector such as a tool bit assembly 2 may be mounted on the ultrasonic transducer 3. The ultrasound transducer protective sheath 1 comprises a mounting structure 11 and a flexible sheath 12. One end of the mounting structure 11 is provided with a mounting portion 111, and the other end of the mounting structure 11 is fixedly connected with the flexible sleeve 12. The installation department 111 can stretch into the inside to tool bit subassembly 2 for the installation department 111 can connect in the inner wall department of tool bit subassembly 2, carries out better shielding to the junction of tool bit subassembly 2 and ultrasonic transducer 3, prevents the junction of pollution tool bit subassembly 2 such as blood, liquid medicine, also makes the outward appearance of ultrasonic knife subassembly more clean and tidy unanimous. The mounting part 111 is detachably connected with the inner wall of the tool bit assembly 2, so that the ultrasonic transducer protective sleeve 1 can be conveniently taken down when the ultrasonic transducer protective sleeve 1 needs to be replaced, the ultrasonic transducer 3 is cleaned, and a new ultrasonic transducer protective sleeve 1 can be mounted for use when the ultrasonic transducer protective sleeve is used next time. The flexible sleeve 12 is sleeved on the periphery of the ultrasonic transducer 3, at least wraps and protects the periphery of the ultrasonic transducer 3, and prevents the ultrasonic transducer 3 from being polluted by blood in operation, so that the situation of difficult cleaning is caused. Because the flexible sleeve 12 can flexibly deform, the holding hand feeling is not affected compared with a hard protective sleeve, and the operation safety and efficiency of the operation are ensured.

When the protective sleeve 1 is installed, the flexible sleeve 12 is firstly sleeved on the periphery of the ultrasonic transducer 3, then the installation part 111 of the installation structure 11 is inserted into the tool bit assembly 2, connected with the tool bit assembly 2, and then the tool bit assembly 2 is installed on the ultrasonic transducer 3. When the protective cover 1 is detached, the cutter head assembly 2 is first detached from the ultrasonic transducer 3, then the mounting part 111 is separated from the cutter head assembly 2, and finally the protective cover 1 is removed from the ultrasonic transducer 3. The ultrasonic transducer protective sleeve 1 is convenient to mount and dismount and has strong applicability.

The ultrasonic transducer protective sleeve 1 in the above embodiment comprises a mounting structure 11 and a flexible sleeve 12, wherein one end of the mounting structure 11 is provided with a mounting part 111, the mounting part 111 can extend into the tool bit assembly 2 to be connected with the inner wall of the tool bit assembly 2, the other end of the mounting structure 11 is connected with the flexible sleeve 12, and the flexible sleeve 12 is sleeved on the periphery of the ultrasonic transducer 3. So, this ultrasonic transducer protective sheath 1 can stretch into the inside of tool bit subassembly 2, carries out better protection to the junction of tool bit subassembly 2 and ultrasonic transducer 3, and the fixed ultrasonic transducer protective sheath 1 of being connected through installation department 111 and tool bit subassembly 2 in addition need not to be fixed through the mode of frenulum, has reduced the risk of droing of protective sheath, has reduced the probability that ultrasonic transducer 3 was polluted.

In one embodiment of the present utility model, referring to fig. 1 to 3, the mounting portion 111 is provided with a first connection portion detachably connected to the tool bit assembly 2, and both the first connection portion and the mounting portion 111 extend into the tool bit assembly 2. The inner wall of the cutter head assembly 2 is provided with a second connecting portion, and the first connecting portion and the second connecting portion are detachably connected, so that the cutter head assembly 2 and the mounting structure 11 are detachably connected.

In one embodiment of the present utility model, referring to fig. 1 to 4, 10 and 11, the first connecting portion is a first clamping portion 113a, the first clamping portion 113a is in snap connection with the tool bit assembly 2, specifically, a second clamping portion 21a is disposed on an inner wall of the tool bit assembly 2, and the first clamping portion 113a and the second clamping portion 21a are clamped.

Optionally, the first clamping portion 113a is a clamping hole or a clamping groove, and the second clamping portion 21a is a protruding buckle; alternatively, the first clamping portion 113a is a protruding buckle, and the second clamping portion 21a is a clamping hole or a clamping groove; alternatively, part of the first clamping portions 113a are clamping holes or clamping grooves, part of the first clamping portions 113a are protruding buckles, part of the second clamping portions 21a are protruding portions, and part of the second clamping portions 21a are clamping holes or clamping grooves.

Alternatively, the number of the first clamping portions 113a and the second clamping portions 21a is plural, and the number of the first clamping portions 113a and the second clamping portions 21a are the same, for example, the number of the first clamping portions 113a and the second clamping portions 21a is two, three, four, or the like. When the mounting portion 111 is annular, the plurality of first engaging portions 113a are circumferentially disposed at intervals on the mounting portion 111.

In one embodiment, referring to fig. 1 to 3, the mounting portion 111 has a ring shape, and the first clamping portion 113a may be formed by extending an end of the mounting portion 111 toward the tool bit assembly 2. Alternatively, the first engagement portion 113a is provided on the outer peripheral wall of the mounting portion 111. In another embodiment, referring to fig. 10 and 11, the mounting portion 111 includes a plurality of mounting units disposed at intervals in a circumferential direction, and a first clamping portion 113a is disposed between adjacent mounting units. The relative positions and connection relationships of the mounting portion 111 and the first clamping portion 113a include, but are not limited to, the embodiments described above.

Optionally, referring to fig. 1 to 3, an insertion portion 114 is further provided on the mounting portion 111, and a slot 22 is correspondingly provided on the tool bit assembly 2, when the ultrasonic transducer protection sleeve 1 is mounted on the tool bit assembly 2, the insertion portion 114 is inserted into the slot 22, and the first clamping portion 113a and the second clamping portion 21a are mutually clamped. The provision of the insert 114 and the slot 22 allows the protective sheath 1 to be quickly positioned with the tool bit assembly 2 during installation. The shapes of the insertion portion 114 and the insertion groove 22 are not limited herein, and the cross section thereof may be circular, semicircular, square, etc.

In one embodiment of the present utility model, referring to fig. 5 to 9, the first connection portion is a first magnetic attraction portion 113b, the first magnetic attraction portion 113b is used for being in attraction connection with the tool bit assembly 2, specifically, a second magnetic attraction portion 21b is provided on an inner wall of the tool bit assembly 2, and the first magnetic attraction portion 113b and the second magnetic attraction portion 21b are magnetically attracted to each other.

Alternatively, the first magnetic attraction portion 113b is a magnet, and the second magnetic attraction portion 21b is a ferrous object; alternatively, the first magnetic attraction portion 113b is a ferrous object, and the second magnetic attraction portion 21b is a magnet; alternatively, the first magnetic attraction portion 113b and the second magnetic attraction portion 21b are magnets, and the surface magnetic poles of the first magnetic attraction portion 113b and the second magnetic attraction portion 21b for mutual contact are opposite, so that the first magnetic attraction portion 113b and the second magnetic attraction portion 21b can attract each other.

Alternatively, the number of the first magnetic attraction portions 113b and the second magnetic attraction portions 21b is plural, and the number of the first magnetic attraction portions 113b and the second magnetic attraction portions 21b is the same, for example, the number of the first magnetic attraction portions 113b and the second magnetic attraction portions 21b is two, three, four, or the like. When the mounting portion 111 is annular, the plurality of first magnetic attraction portions 113b are circumferentially arranged at intervals on the mounting portion 111.

Alternatively, referring to fig. 5 to 7, the first magnetic portion 113b is annular, the second magnetic portion 21b is annular, or the second magnetic portion 21b includes a plurality of second magnetic units 211 circumferentially spaced apart, and the specific shape of the second magnetic units 211 is not limited herein, and may be a strip, a block, or the like. In other embodiments, the first magnetic part 113b includes a plurality of first magnetic units circumferentially spaced apart from each other, and the second magnetic part 21b is annular.

Alternatively, referring to fig. 8 and 9, the first magnetic attraction portion 113b includes a plurality of first magnetic attraction units disposed at intervals in the circumferential direction, and the second magnetic attraction portion 21b includes a plurality of second magnetic attraction units disposed at intervals, where the first magnetic attraction units and the second magnetic attraction units are attracted in a one-to-one correspondence.

In one embodiment of the present utility model, referring to fig. 12 and 13, the first connecting portion is a first threaded portion 113c, the first threaded portion 113c is used for being screwed with the tool bit assembly 2, specifically, the inner wall of the tool bit assembly 2 is provided with a second threaded portion 21c, the first threaded portion 113c is an external thread, the second threaded portion 21c is an internal thread, and the first threaded portion 113c and the second threaded portion 21c are mutually matched, so that the mounting structure 11 can be screwed with the tool bit assembly 2.

In one embodiment of the present utility model, referring to fig. 1, 10 and 12, the mounting structure 11 further includes a mounting sleeve 112, the mounting portion 111 is connected to the mounting sleeve 112, and the flexible sleeve 12 is fixedly connected to the mounting sleeve 112. Specifically, one end of the mounting sleeve 112 is connected to the mounting portion 111, and the other end of the mounting sleeve 112 is fixedly connected to the flexible sleeve 12. Since the mounting portion 111 needs to extend into the tool bit assembly 2, a user can hold the mounting sleeve 112 for mounting and dismounting by arranging the mounting sleeve 112, so that the mounting of the protective sleeve is more convenient.

In one embodiment of the present utility model, referring to fig. 12 and 13, the mounting sleeve 112 is exposed to the tool bit assembly 2, and can be held on the outer periphery of the mounting sleeve 112 to provide a user with a disassembling and assembling force when the protective cover 1 is assembled and disassembled. The outer periphery of the mounting sleeve 112 is provided with an anti-slip structure 1123, and the anti-slip structure 1123 is used to prevent slipping during disassembly.

Alternatively, the anti-slip structure 1123 may be a plurality of concave structures, which are circumferentially disposed on the outer circumference of the mounting sleeve 112, and the shape of the concave structures is not limited herein.

Alternatively, the anti-slip structure 1123 may be a protrusion structure, and the number of protrusion structures may be plural, circumferentially disposed at the outer circumference of the mounting sleeve 112. The protruding structure can be hemispherical protruding, or punctiform protruding, or protruding decorative pattern etc..

In one embodiment of the present utility model, referring to fig. 1, 5, 10 and 12, a step structure 115 is formed at the connection between the mounting portion 111 and the mounting sleeve 112, the mounting portion 111 extends into the tool bit assembly 2, the mounting sleeve 112 is exposed out of the tool bit assembly 2, and the step structure 115 abuts against the end face of the tool bit assembly 2 when the protective cover 1 is mounted to the tool bit assembly 2. More specifically, the outer diameter of the mounting portion 111 is smaller than the outer diameter of the mounting sleeve 112, the connection between the mounting sleeve 112 and the mounting portion 111 is the step structure 115, and one end of the mounting sleeve 112, which is close to the mounting portion 111, is in contact with the cutter head assembly 2.

Optionally, referring to fig. 1, the end surface of the step structure 115 facing the tool bit assembly 2 is curved, and correspondingly, the end surface of the tool bit assembly 2 at the end for connecting with the ultrasonic transducer 3 is also curved. The protective sleeve 1 in this embodiment is suitable for a tool bit assembly 2 having a curved connecting end.

Alternatively, referring to fig. 5 and 10, the end surface of the step structure 115 facing the tool bit assembly 2 is planar, and accordingly, the end surface of the tool bit assembly 2 at the end for connection with the ultrasonic transducer 3 is planar. The protective sleeve 1 in this embodiment is adapted for use with a tool bit assembly 2 having a planar connection end.

In one embodiment of the present utility model, the flexible sleeve 12 is fixed on the inner side or the outer side of the mounting sleeve 112, the mounting sleeve 112 is in a ring shape, one end of the flexible sleeve 12 extends into the inner side of the mounting sleeve 112 to be fixed on the inner wall of the mounting sleeve 112, or one end of the flexible sleeve 12 is wrapped on the outer side of the mounting sleeve 112 to be fixedly connected with the outer wall of the mounting sleeve 112. The flexible sleeve 12 may be secured to the mounting sleeve 112 by adhesive, heat staking, or the like.

In one embodiment of the present utility model, referring to fig. 2, the mounting sleeve 112 includes a first hard layer 1121 and a second hard layer 1122 stacked together, and the flexible sleeve 12 is sandwiched between the first hard layer 1121 and the second hard layer 1122. Specifically, the first hard layer 1121 and the second hard layer 1122 may be engaged with each other, and the flexible sheath 12 may be fixed between the first hard layer 1121 and the second hard layer 1122, or the flexible sheath 12 may be integrally fixed between the two hard layers at the time of injection molding the first hard layer 1121 and the second hard layer 1122.

In one embodiment of the present utility model, referring to fig. 6, the flexible sleeve 12 is a telescopic and foldable sleeve, that is, the length of the flexible sleeve 12 is variable, the length of the flexible sleeve 12 can be adjusted according to the length of the ultrasonic transducer 3, and the flexible sleeve 12 capable of being telescopic and foldable is more convenient to store and assemble. Specifically, the flexible sleeve 12 is folded and has a short length during installation, so that the flexible sleeve 12 can be quickly and conveniently sleeved outside the ultrasonic transducer 3, and the flexible sleeve 12 is stretched and unfolded after the installation structure 11 is installed on the tool bit assembly 2. In addition, referring to fig. 14, after the flexible sleeve 12 is unfolded, it can be stretched to the power line of the ultrasonic transducer 3, so that the flexible sleeve 12 wraps and protects the power line.

In one embodiment of the present utility model, the flexible sleeve 12 is transparent or translucent, and when the flexible sleeve 12 is wrapped around the periphery of the ultrasonic transducer 3, the identification on the ultrasonic transducer 3 can still be identified through the flexible sleeve 12, so as to facilitate the operation of the ultrasonic transducer 3. The flexible sleeve 12 may be made of a plastic material.

In one embodiment of the present utility model, referring to fig. 4, the other end of the flexible sleeve 12 is fixed to the end of the ultrasonic transducer 3 away from the tool bit assembly 2, so that both ends of the flexible sleeve 12 are fixedly disposed, and the flexible sleeve 12 is prevented from falling off. Specifically, the end of the flexible sleeve 12 remote from the mounting structure 11 is fixed to the ultrasound transducer 3 by the socket 4.

Alternatively, the socket 4 may be fixed to the inside of the flexible sleeve 12; alternatively, the socket 4 is separately disposed from the flexible sleeve 12, and after the flexible sleeve 12 completely wraps the ultrasonic transducer 3, the socket 4 is further sleeved on the outer circumference of the flexible sleeve 12, so that the flexible sleeve 12 and the ultrasonic transducer 3 are fixed.

Alternatively, the socket 4 is an elastic ring or an elastic band, which is low in cost. The elastic ring or the elastic ribbon has elasticity, so that the elastic ribbon is more convenient to sleeve on the periphery of the flexible sleeve 12, and the flexible sleeve 12 and the ultrasonic transducer 3 can be fastened with each other.

The present utility model further provides an ultrasonic blade assembly, referring to fig. 3, 7, 9 and 11, which includes an ultrasonic transducer 3, a blade assembly 2 and an ultrasonic transducer protective sleeve 1 according to any of the above embodiments. The ultrasonic transducer 3 is acoustically connected to the cutter head assembly 2. The ultrasonic transducer protective sleeve 1 is detachably connected with the tool bit assembly 2, so that the ultrasonic transducer protective sleeve 1 can be conveniently replaced, and the ultrasonic transducer protective sleeve 1 can be a disposable product. The ultrasonic transducer protective sleeve 1 completely covers the ultrasonic transducer 3, completely wraps the outer wall of the ultrasonic transducer 3, and prevents blood from polluting the ultrasonic transducer 3 in operation.

According to the ultrasonic knife assembly, the ultrasonic transducer 3 is protected by the ultrasonic transducer protection sleeve 1, the ultrasonic transducer protection sleeve 1 comprises the mounting structure 11 and the flexible sleeve 12, one end of the mounting structure 11 is provided with the mounting part 111, the mounting part 111 can extend into the tool bit assembly 2 to be connected with the inner wall of the tool bit assembly 2, the other end of the mounting structure 11 is connected with the flexible sleeve 12, and the flexible sleeve 12 is sleeved on the periphery of the ultrasonic transducer 3. So, this ultrasonic transducer protective sheath 1 can stretch into the inside of tool bit subassembly 2, carries out better protection to the junction of tool bit subassembly 2 and ultrasonic transducer 3, and the fixed ultrasonic transducer protective sheath 1 of being connected through installation department 111 and tool bit subassembly 2 in addition need not to be fixed through the mode of frenulum, has reduced the risk of droing of protective sheath, has reduced the probability that ultrasonic transducer 3 was polluted.

In one embodiment of the present utility model, the mounting structure 11 of the protective sleeve has a first connecting portion, and the inner wall of the tool bit assembly 2 has a second connecting portion, and the first connecting portion may extend into the inner wall of the tool bit assembly 2 to connect with the second connecting portion. Wherein, the first connecting portion and the second connecting portion are detachably connected, so that the ultrasonic transducer protecting sleeve 1 is replaceable. The first connecting part and the second connecting part can be in buckle connection, magnetic attraction connection or threaded connection, etc. The specific structure of the first connection portion and the second connection portion may refer to the corresponding embodiment of the ultrasound transducer protection sleeve 1, which is not described herein again.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (12)

1. An ultrasonic transducer protective sheath, its characterized in that: including mounting structure and with the flexible cover that mounting structure is connected, mounting structure can dismantle with the tool bit subassembly of equipment ultrasonic transducer and be connected, mounting structure's one end has be used for stretching into the tool bit subassembly is inside and with the inner wall connection's of tool bit subassembly installation department, mounting structure's the other end with the one end fixed connection of flexible cover, just flexible cover is used for the cover to establish ultrasonic transducer's periphery.

2. The ultrasonic transducer protective sheath of claim 1, wherein: the mounting part is provided with a first connecting part which is detachably connected with the tool bit assembly.

3. The ultrasonic transducer protective sheath of claim 2, wherein:

the first connecting part is used for being in buckling connection with the tool bit assembly, and is a first clamping part; or alternatively, the process may be performed,

the first connecting part is used for being in threaded connection with the tool bit assembly, and is a first threaded part; or alternatively, the process may be performed,

the first connecting part is used for being in magnetic attraction connection with the tool bit assembly, and the first connecting part is a first magnetic attraction part.

4. The ultrasonic transducer protective sheath of claim 1, wherein: the mounting structure further comprises a mounting sleeve connected with the mounting part, and the flexible sleeve is fixedly connected with the mounting sleeve.

5. The ultrasonic transducer package of claim 4, wherein: the installation sleeve is exposed out of the tool bit assembly, and the periphery of the installation sleeve is provided with a concave structure or a convex structure which is convenient to hold.

6. The ultrasonic transducer package of claim 4, wherein: the junction of installation department with the installation cover has the step structure that is used for with the terminal surface butt of tool bit subassembly, the step structure is used for facing the terminal surface of tool bit subassembly is plane or curved surface.

7. The ultrasonic transducer protection sleeve of any of claims 4-6, wherein: the flexible sleeve is fixed on the inner side or the outer side of the mounting sleeve; alternatively, the mounting sleeve includes a first hard layer and a second hard layer that are stacked, and the flexible sleeve is fixed between the first hard layer and the second hard layer.

8. The ultrasonic transducer sock of any of claims 1-6, wherein: the flexible sleeve is a telescopic folding sleeve and/or is transparent or semitransparent.

9. The ultrasonic transducer sock of any of claims 1-6, wherein: the other end of the flexible sleeve is sleeved at one end, far away from the tool bit assembly, of the ultrasonic transducer through a sleeve joint piece.

10. The ultrasonic transducer protection sleeve of claim 9, wherein: the sleeve joint piece is an elastic ring or an elastic ribbon.

11. An ultrasonic knife assembly, includes ultrasonic transducer, with ultrasonic transducer acoustic connection's tool bit subassembly, its characterized in that: further comprising the ultrasonic transducer protective sheath of any of claims 1-10 removably attached to the cutter head assembly and completely covering the ultrasonic transducer.

12. The ultrasonic blade assembly of claim 11, wherein: the mounting structure is provided with a first connecting part extending into the cutter head assembly, a second connecting part is arranged on the inner wall of the cutter head assembly, and the first connecting part is detachably connected with the second connecting part.

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