CN219071883U

CN219071883U - Ultrasonic treatment head and treatment instrument

Info

Publication number: CN219071883U
Application number: CN202223607441.7U
Authority: CN
Inventors: 李键; 胡书云; 雷晓兵; 丁毅; 李亚楠
Original assignee: Shenzhen Peninsula Medical Co Ltd
Current assignee: Shenzhen Peninsula Medical Group Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-26
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an ultrasonic treatment head and a treatment instrument, wherein the ultrasonic treatment head comprises: the inner cover, the sound-transmitting film and the buffer piece are all arranged in the working space. The outer shell further comprises a first sound transmission hole, the inner shell is further provided with a second sound transmission hole, and the inner cover is fixedly connected with the inner shell through a connecting end so as to limit the accommodating cavity; the sound-transmitting film covers the second sound-transmitting hole, the buffer piece is arranged in the accommodating cavity, and the buffer cavity is communicated with the working space; the accommodating cavity is internally provided with a transducer and is filled with an acoustic guiding medium, and sound waves generated by the transducer are transmitted through the acoustic transmission channel. The technical scheme of the utility model aims at designing an ultrasonic treatment head with a buffer part, and a certain buffer space is provided by the buffer part so as to avoid damage of the ultrasonic treatment head caused by expansion and swelling of an acoustic guiding medium and the penetration of an acoustic membrane, and prolong the service life of the ultrasonic treatment head.

Description

Ultrasonic treatment head and treatment instrument

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an ultrasonic treatment head and an ultrasonic treatment instrument.

Background

In ultrasonic therapy, an ultrasonic therapy head is an important component of a therapeutic instrument, and is mainly used for converting an electric-acoustic signal through a transducer, and then transmitting sound waves generated after conversion to a human body through a probe therapeutic window so as to achieve the therapeutic purpose.

In order to ensure the normal operation of the transducer, the heat generated by the transducer in the working process is absorbed by arranging the sound guide medium in the probe so as to avoid the transducer from being burnt out, but the sound guide medium absorbs heat and expands, and the sound guide film is easy to expand and break, so that the ultrasonic treatment head is damaged, and the service life and performance of the ultrasonic treatment head are reduced.

Disclosure of Invention

The utility model mainly aims to provide an ultrasonic treatment head, which aims to prolong the service life of the ultrasonic treatment head and improve the safety of the ultrasonic treatment head.

To achieve the above object, an ultrasonic treatment head according to the present utility model includes:

a housing including a working space and a first sound-transmitting aperture;

an inner cover provided with an assembly hole;

the inner shell is provided with a second sound-transmitting hole and a connecting end, the inner cover is fixedly connected with the connecting end and limits a containing cavity with the inner shell, and the first sound-transmitting hole and the second sound-transmitting hole form a sound-transmitting channel;

an acoustically transparent film covering the second acoustically transparent hole; and

the buffer piece is provided with a buffer cavity, is of a telescopic structure and is arranged in the accommodating cavity, and is also provided with an opening which is fixedly connected with the assembly hole and is used for communicating the buffer cavity with the working space;

the accommodating cavity is internally provided with a transducer and is filled with an acoustic guide medium, a space exists between the transducer and the second acoustic transmission hole, and the acoustic transmission channel is used for transmitting acoustic waves generated by the transducer;

the inner cover, the inner housing, the sound-transmitting membrane and the buffer are located in the working space.

Optionally, the cushioning member is provided with one or more pleated structures.

Optionally, the buffer member may be configured as a silicone material.

Optionally, the buffer member is provided with a first flange, the first flange is disposed around the opening, and the first flange is used for fixedly connecting with the periphery of the assembly hole.

Optionally, the first flange is connected to a surface of the inner cap facing away from the receiving cavity side.

Optionally, the inner cover is provided with a limiting groove surrounding the assembly hole, and the limiting groove is used for placing the first flanging.

Optionally, a surface of the first flange, which contacts the inner cap, is provided with an elastic sealing ring protrusion.

Optionally, the ultrasonic treatment head comprises a pressing sheet, wherein the pressing sheet is used for pressing the first flanging, and the pressing sheet is fixedly connected with the inner cover; the tablet is also provided with an exhaust hole, the exhaust hole is connected with the assembly hole and the opening, and the exhaust hole is used for communicating the buffer cavity and the working space.

Optionally, the ultrasonic treatment head further comprises a sealing ring, the inner shell comprises a second flanging surrounding the connecting end, the sealing ring is placed in the second flanging, and the inner cover is pressed with the sealing ring and fixedly connected with the second flanging.

The utility model also provides a therapeutic instrument which comprises the ultrasonic therapeutic head and a handle detachably connected with the ultrasonic therapeutic head.

According to the technical scheme, the telescopic buffer piece provided with the transducer and the buffer cavity is arranged in the accommodating cavity filled with the sound guiding medium, so that the buffer space for volume expansion of the sound guiding medium is indirectly provided, the damage of the sound transmitting membrane caused by heat absorption expansion of the sound guiding medium is avoided, the use safety of the ultrasonic treatment head is improved, and the service life of the ultrasonic treatment head is prolonged.

Drawings

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

FIG. 1 is an exploded view of one embodiment of an ultrasound therapy head according to the present utility model;

FIG. 2 is a schematic view of the inner shell of FIG. 1;

FIG. 3 is a cross-sectional view of the structure of the ultrasound therapy head of FIG. 1;

fig. 4 is a schematic top view of the ultrasound therapy head of fig. 1 with the upper housing removed.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Ultrasonic therapeutic head	132	Threading hole
110	Outer casing	133	Pouring hole
				111	Upper outer casing	134	Sealing plug
112	Lower outer casing	135	Limiting groove
				113	Clamping groove structure	140	Buffer member
114	Working space	141	Buffer cavity
				115	First sound-transmitting hole	142	An opening
120	Inner shell	143	First flanging
				121	Second sound-transmitting hole	144	Elastic sealing ring bulge
122	Connecting terminal	150	Transducer
				123	Clamping seat	160	Sound-transmitting membrane
124	Avoidance groove	170	Tabletting
				125	Second flanging	171	Exhaust hole
130	Inner cap	180	Sealing ring
				131	Assembly hole	190	Screw bolt

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in abutment, or in communication between two elements or in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

According to the technical scheme, the energy converter is arranged on the ultrasonic treatment head, and the telescopic buffer piece with the buffer cavity is arranged in the accommodating cavity filled with the sound guiding medium, so that the buffer space for volume expansion of the sound guiding medium is indirectly provided, the damage of the sound transmitting membrane caused by heat absorption expansion of the sound guiding medium is avoided, the use safety of the ultrasonic treatment head is improved, and the service life of the ultrasonic treatment head is prolonged.

Referring to fig. 1 to 4, in an embodiment of the present utility model, the ultrasonic treatment head 100 includes:

a housing 110 including a working space 114 and a first sound-transmitting aperture 115;

an inner cap 130 provided with an assembly hole 131;

an inner case 120 having a second sound-transmitting hole 121 and a connection end 122, wherein the inner case 130 is fixedly connected to the connection end 122 and limits a receiving cavity with the inner case 120, and the first sound-transmitting hole 115 and the second sound-transmitting hole 121 form a sound-transmitting channel;

an acoustic membrane 160 covering the second acoustic holes 121; and

the buffer member 140 is provided with a buffer cavity 141, the buffer member 140 is of a telescopic structure and is arranged in the accommodating cavity, the buffer member 140 is further provided with an opening 142, the opening 142 is fixedly connected with the assembly hole 131, and the opening 142 is used for communicating the buffer cavity 141 with the working space 114.

A transducer 150 and an acoustic guide medium are arranged in the accommodating cavity, a space exists between the transducer 150 and the second acoustic transmission hole 121, and the acoustic transmission channel is used for transmitting acoustic waves generated by the transducer 150; the inner cover 130, the inner case 120, the sound-transmitting membrane 160, and the buffer member 140 are positioned in the working space 114.

In one embodiment, when the transducer 150 is operated, the sound guiding medium expands due to the heat generated by the transducer 150, so as to compress the buffer member 140, the buffer chamber 141 reduces the volume, and the gas in the chamber is discharged to the working space 114 through the opening 142 and the assembly hole 131. The reduction in volume of the buffer member 140 provides a buffer space for the receiving chamber to accommodate the expanded volume of the sound guiding medium, thereby avoiding the sound guiding medium from expanding and crushing the sound permeable membrane 160 and extending the service life of the ultrasound therapy head 100.

A certain interval is needed between the transducer 150 and the second sound-transmitting hole 121 for collecting and transmitting sound waves, so that on one hand, the sound waves emitted by the transducer 150 are ensured to accurately strike the part of the patient to be treated after being emitted from the probe, on the other hand, the patient is prevented from being burnt during treatment due to overhigh sound wave energy, and the energy of the sound wave is consumed through the interval between the transducer 150 and the second sound-transmitting hole 121, so that the use safety of the probe is improved.

Further, in an embodiment, the inner housing 120 is provided with one or more clamping seats 123, the clamping seats 123 are spaced from the second sound-transmitting holes 121, and the clamping seats 123 are fixedly connected to the transducer 150 and have a limiting effect on the transducer 150. In particular, the inner housing 120 is further provided with one or more avoidance grooves 124 for placing the transducer 150, as shown in fig. 2, the avoidance grooves 124 are located above the clamping seat 123 and are located at the inner periphery of the inner housing 120, so that the transducer 150 is prevented from being spatially limited by the inner housing 120 due to oversized volume, and meanwhile, the transducer 150 is also provided with a certain limiting effect.

Referring to fig. 1, the housing 110 may be divided into an upper housing 111 and a lower housing 112, which are fixedly connected by a clamping slot structure 113, and the connection is more convenient for installing components in the working space 114. The cover body is also provided with a threading hole 132 and a filling hole 133, wherein the threading hole 132 is used for threading the transducer 150 to connect an external wire, and the threading hole 132 is sealed by means of glue injection, filling and the like after the wire threading is completed; the filling hole 133 is used for filling or discharging the sound guiding medium, the inner cover 130 is further provided with a sealing plug 134 for sealing the filling hole 133, so that the sound guiding medium is prevented from overflowing through the threading hole 132 or the sealing hole in a heat absorption expansion manner in the working process of the transducer 150, other components in the working space 114 are corroded, and the probe is prevented from being damaged.

Optionally, in one embodiment, the cushioning member 140 is provided with one or more pleated structures. In the operating state of the transducer 150, the sound guiding medium expands due to the absorption of heat generated by the transducer 150, thereby compressing the buffer member 140; in the non-operating state of the transducer 150, the temperature of the sound guiding medium is restored, the buffer member 140 is not pressed any more, and the original shape is gradually restored. By providing the cushion 140 with one or more pleated structures, the cushion 140 can achieve the compression shrinkage and non-compression recovery effects, and the cushion 140 made of the inelastic material can also achieve the above effects through the pleated structures, so that the material requirements of the cushion 140 are reduced, and the material cost is reduced.

Specifically, in another embodiment, the buffer member 140 is made of an elastic material, such as a rubber material, and the buffer member 140 made of the elastic material can achieve the effect of compression shrinkage and non-compression recovery, and can stably exert its effect in the ultrasound therapy head 100, thereby prolonging the service life of the ultrasound therapy head 100.

Specifically, in one embodiment, the buffer member 140 is configured of a silicone material. The processing technology of the silica gel material is mature, which is beneficial to reducing the material cost and the processing cost. The silicone cushion 140 with the pleated structure has elastic deformation capability, and cannot recover the original shape due to expansion and compression of the sound guiding medium; on the other hand, the silica gel material has heat resistance, and when the sound guiding medium is heated and rises in temperature, the buffer piece 140 of the silica gel material is heated and cannot deform and melt, so that the buffer piece has anti-aging capability, and can continuously and stably play a role in the ultrasonic treatment head 100, so that the service life of the ultrasonic treatment head 100 is prolonged.

Optionally, in an embodiment, referring to fig. 4, the buffer member 140 is provided with a first flange 143, the first flange 143 is disposed around the opening 142, and the first flange 143 is used for fixedly connecting to the periphery of the assembly hole 131. The first flange 143 provides a larger contact area for connecting the periphery of the assembly hole 131, on the one hand, ensures the connection stability between the buffer member 140 and the inner cover 130, and on the other hand, ensures the tightness between the buffer member and the inner cover 130, and prevents the sound guiding medium from expanding and overflowing the accommodating cavity, flowing into the working space 114, corroding the internal components and damaging the ultrasonic treatment head 100.

With reference to the present embodiment, the first flange 143 and the periphery of the assembly hole 131 are fixedly connected by the screw 190, it is understood that the first flange 143 and the periphery of the assembly hole 131 may also be fixedly connected by bonding, clamping, or the like.

Further, in an embodiment, the first flange 143 is connected to a surface of the inner lid 130 facing away from the receiving chamber side. The inner cap 130 and the inner cap 120 are fixedly coupled to define a receiving chamber, and the buffer member 140 is inserted into the receiving chamber through the assembly hole 131 formed in the inner cap 130, and the first flange 143 is coupled to a surface facing away from the receiving chamber side, so that the buffer member 140 and the inner cap 130 are fixedly coupled to each other. The buffer member 140 is placed in the accommodating cavity in an inserting manner, so that the operation is easier, the inner shell 120 and the inner cover 130 are fixedly connected, the limited accommodating cavity has a protective effect on the transducer 150, the transducer 150 is prevented from being collided and disabled in the installation process, and the efficacy of the ultrasonic treatment head 100 is protected.

Based on the above embodiment, the inner cover 130 is provided with a limit groove 135 surrounding the assembly hole 131, and the limit groove 135 is used for placing the first flange 143. During use of the ultrasound therapy head 100, the sound guiding medium may be irregularly expanded due to uneven heating, so that the buffer member 140 is unevenly stressed to generate deflection or even shake. The buffer member 140 can be prevented from excessively shaking when being stressed unevenly by the limiting groove 135 arranged at the periphery of the assembly hole 131; meanwhile, the limiting groove 135 can keep the overflowing sound guiding medium in the groove, so that the sealing effect between the inner cover 130 and the buffer member 140 is enhanced.

Further, the limit groove 135 shown in fig. 3 may be adapted to the first flange 143, or the limit groove 135 and the first flange 143 may be connected by interference, and when the sound guiding medium expands to press the buffer member 140, the buffer member 140 may be stably connected to the inner cover 130 through interaction between the periphery of the first flange 143 and the periphery of the limit groove 135.

Further, based on the above embodiment, the surface of the first flange 143 contacting the inner cap 130 is provided with an elastic sealing ring protrusion 144. The buffer member 140 and the inner cap 130 are fixedly connected, and the first flange 143 presses the elastic sealing ring protrusion 144, so that the tightness between the buffer member 140 and the inner cap 130 is enhanced, and meanwhile, the friction force between the buffer member 140 and the inner cap 130 is increased, so that the connection between the buffer member and the inner cap is more stable.

Further, in one embodiment, to enhance the sealing performance and the connection stability between the buffer member 140 and the inner cap 130, the ultrasonic treatment head 100 includes a pressing piece 170, where the pressing piece 170 is used to press the first flange 143, and the pressing piece 170 is fixedly connected to the inner cap 130; the pressing piece 170 is further provided with an exhaust hole 171, the exhaust hole 171 connects the assembly hole 131 and the opening 142, and the exhaust hole 171 is used for communicating the buffer cavity 141 and the working space 114.

Further, in an embodiment, to enhance the tightness of the accommodating cavity, the ultrasonic treatment head 100 further includes a sealing ring 180, the inner housing 120 includes a second flange 125 disposed around the connection end 122, the sealing ring 180 is disposed on the second flange 125, and the inner cover 130 is pressed against the sealing ring 180 and is fixedly connected to the second flange 125.

The utility model also provides a therapeutic apparatus, which comprises an ultrasonic therapeutic head 100 and a handle, wherein the handle is detachably connected to the ultrasonic therapeutic head 100, and the specific structure of the ultrasonic therapeutic head 100 refers to the above embodiments, and since the therapeutic apparatus adopts all the technical schemes of all the embodiments, the therapeutic apparatus has at least all the beneficial effects brought by the technical schemes of the embodiments, and will not be described in detail herein. The handle can be connected with other detachable probes to perform corresponding treatment work, so that 'one machine with multiple functions' is realized, the time and space cost and the instrument purchase cost are reduced, and the convenience of treatment is improved.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An ultrasonic therapy head, comprising:

a housing including a working space and a first sound-transmitting aperture;

an inner cover provided with an assembly hole;

2. The ultrasonic therapy head of claim 1, wherein the bumper is provided with one or more accordion structures.

3. The ultrasonic therapy head of claim 2, wherein the buffer member is configured as a silicone material.

4. The ultrasonic therapy head of claim 1, wherein the buffer member is provided with a first flange disposed around the opening;

the first flanging is used for fixedly connecting the periphery of the assembly hole.

5. The ultrasonic therapy head of claim 4, wherein the first flange is attached to a surface of the inner cap facing away from the receiving chamber side.

6. The ultrasonic therapy head of claim 4, wherein the inner cover is provided with a limit groove surrounding the assembly hole, the limit groove being configured to receive the first flange.

7. The ultrasonic therapy head of claim 6, wherein a surface of the first cuff that contacts the inner cap is provided with an elastic sealing ring protrusion.

8. The ultrasonic treatment head of any one of claims 4 to 7, wherein the ultrasonic treatment head comprises a press piece for pressing the first flange, the press piece being fixedly connected with the inner cover;

the tablet is also provided with an exhaust hole, the exhaust hole is connected with the assembly hole and the opening, and the exhaust hole is used for communicating the buffer cavity and the working space.

9. The ultrasonic treatment head of claim 1, further comprising a seal ring;

the inner shell comprises a second flanging which is arranged around the connecting end, the sealing ring is arranged on the second flanging, and the inner cover is pressed with the sealing ring and is fixedly connected with the second flanging.

10. A therapeutic apparatus comprising the ultrasound therapy head of any one of claims 1 to 9, and a handle removably connected to the ultrasound therapy head.