CN115633980A

CN115633980A - Ultrasonic probe

Info

Publication number: CN115633980A
Application number: CN202110819822.2A
Authority: CN
Inventors: 崔艳华; 张洲鋆; 蔚俊丽; 张全斌
Original assignee: Shanxi Provincial Peoples Hospital
Current assignee: Shanxi Provincial Peoples Hospital
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2023-01-24

Abstract

The invention discloses an ultrasonic probe, comprising: a housing having a handle for an operator to hold and a head for facing human tissue; an acoustic lens provided to the head of the housing; a transducer disposed within the housing and located behind the acoustic lens; the control circuit board is arranged in the shell and is positioned at the rear side of the transducer; a heat exchange member including a first heat exchange part and a second heat exchange part; the first heat exchange part is arranged above the control circuit board, and the second heat exchange part surrounds the periphery of the acoustic lens and the heat exchanger; the first heat exchanging part and the second heat exchanging part are used for leading out heat through the tail part of the shell.

Description

Ultrasonic probe

Technical Field

The present invention relates to an ultrasonic probe.

Background

Conventionally, an ultrasound probe in the prior art generally includes a housing adapted to be held by an operator, a transducer disposed in the housing for transmitting/receiving ultrasound, an acoustic lens located in front of the transducer and protruding out of a head of the housing, and a control circuit board located behind the transducer, wherein electric energy is supplied to the transducer through the control circuit board to enable the transducer to transmit ultrasound, the ultrasound irradiates human tissues through the acoustic lens, and then the ultrasound is reflected by the human tissues to be transmitted to the transducer again, so that the transducer converts the ultrasound (mechanical energy) into electric energy (electrical signal), and the control circuit board analyzes and calculates the image of the human tissues displayed on a display.

The transducer and the control circuit board inevitably generate heat during operation, which is easily transferred to the acoustic lens and the surface of the housing, which not only produces undesirable effects on the patient's body tissue, but also causes a burning sensation in the hands of the operator in contact with the surface of the housing, and in addition, higher temperatures are detrimental to the operation of the components within the housing.

Disclosure of Invention

In view of the above technical problems in the prior art, embodiments of the present invention provide an ultrasound probe.

In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:

an ultrasound probe, comprising:

a housing having a handle for gripping by an operator and a head for facing human tissue;

an acoustic lens provided to the head of the housing;

a transducer disposed within the housing and located behind the acoustic lens;

the control circuit board is arranged in the shell and is positioned at the rear side of the transducer;

a heat exchange member including a first heat exchange part and a second heat exchange part; the first heat exchange part is arranged above the control circuit board, and the second heat exchange part surrounds the periphery of the acoustic lens and the heat exchanger; the first heat exchanging part and the second heat exchanging part are used for leading out heat through the tail part of the shell.

Preferably, the first heat exchange part comprises a first heat exchange pipe formed by bending reciprocally; the second slide-in part comprises a second heat exchange pipe formed by reciprocating bending.

Preferably, the first heat exchanging part further comprises a metal plate body, and the metal plate body is arranged above the control circuit board; the first embedding groove which is bent in a reciprocating mode is formed in the upper portion of the metal plate body, and the first heat exchange tube is embedded in the first embedding groove along the direction of the first embedding groove.

Preferably, the second heat exchanging part further comprises a metal sleeve body, the metal sleeve body is located on the front side of the metal plate body, and the metal sleeve body surrounds the heat exchanger and the acoustic lens; wherein:

a second embedding groove which is bent in a reciprocating manner is formed in the outer peripheral surface of the metal sleeve body, and the second heat exchange tube is embedded in the second embedding groove along the direction of the second embedding groove;

the second heat exchange tubes are distributed on the periphery of the metal sleeve body.

Preferably, the inlet and the outlet of the second heat exchange pipe and the first heat exchange pipe extend to the tail part of the shell; and the inlets and outlets of the first heat exchange tube and the second heat exchange tube are converged.

Preferably, the lower plate surface of the metal plate is covered with heat dissipation fins.

Preferably, the inner surface of the metal sleeve body is distributed with radiating fins.

Preferably, a heat insulation film is attached to an inner wall of the housing.

Preferably, a gasket is disposed between the transducer and the control circuit board.

Compared with the prior art, the ultrasonic probe disclosed by the invention has the beneficial effects that:

1. through addding first heat transfer portion and second heat transfer portion to borrow heat transfer medium to flow in the heat exchange tube and lead out the casing with the produced heat of control circuit board and transducer from the afterbody of casing, and then can make control circuit board and transducer can operate at lower temperature, and make the upper surface of casing and the temperature of head lower, improved operator's patient's use experience.

2. The heat insulation film is arranged in the shell, so that heat can be effectively prevented from being diffused from the surface of the shell, and the use experience of an operator is further improved.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments generally, by way of example and not by way of limitation, and together with the description and claims serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a schematic view of an internal structure of an ultrasonic probe according to an embodiment of the present invention (with heat exchange components omitted).

Fig. 2 is a schematic internal structural diagram of an ultrasound probe according to an embodiment of the present invention.

Fig. 3 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 2.

Fig. 4 is a schematic structural diagram of a heat exchange component of an ultrasonic probe according to an embodiment of the present invention.

Reference numerals:

10-a housing; 11-a heat-insulating film; 20-a control circuit board; 31-an acoustic lens; 32-a transducer; 33-a gasket; 41-a first heat exchanging portion; 411-a metal plate body; 412-a first heat exchange tube; 413-first heat dissipating fins; 42-a second heat exchanging part; 421-metal cover body; 422-a second heat exchange tube; 423-second heat dissipation fins; 431-inlet; 432-outlet.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In order to keep the following description of the embodiments of the invention clear and concise, a detailed description of known functions and known parts of the invention is omitted.

As shown in fig. 1 to 4, an embodiment of the present invention discloses an ultrasonic probe including: a housing 10, an acoustic lens 31, a spacer 33, a transducer 32, a control circuit board 20, heat exchange components, and a heat insulating film 11.

The housing 10 is configured to be suitable for handling a gripping surface, i.e. having a handle for gripping by an operator and a head for facing human tissue.

The control circuit board 20 is installed in the housing 10, a transducer 32 is installed in front of the control circuit board 20, the transducer 32 is electrically connected with the control circuit board 20 to convert mechanical energy and electrical energy, so as to obtain sound waves and feedback sound waves, and a pad 33 is disposed between the transducer 32 and the control circuit board 20; the acoustic lens 31 is disposed at the front side of the transducer 32 and corresponds to the head of the housing 10, and the head of the housing 10 is used for ultrasonic interaction with human tissue via the acoustic lens 31.

The heat insulating film 11 is attached along the inner wall of the case 10, which can effectively reduce the heat generated by the operation of the heat exchanger and the control circuit board 20 from being diffused through the case 10.

In the present invention, a heat exchange component is additionally arranged inside the casing 10, and the heat exchange component includes a first heat exchange portion 41 and a second heat exchange portion 42, the first heat exchange portion 41 is used for guiding heat generated by the operation of the control circuit board 20 to the tail portion of the casing 10, and the second heat exchange portion 42 is used for guiding heat generated by the operation of the transducer 32 to the tail portion of the casing 10.

The first heat exchanging portion 41 includes a metal plate body 411 and a first heat exchanging pipe 412; the metal plate 411 is disposed above the control circuit board 20, a first embedding groove is formed in the upper surface of the metal plate 411, the first heat exchanging pipe 412 is arranged along the first embedding groove in the metal plate 411, so that the first heat exchanging pipe 412 is in a reciprocating bending state, the first heat exchanging pipe 412 is used for introducing a heat exchanging medium, and an inlet of the first heat exchanging pipe 412 is adjacent to an inlet of the second heat exchanging pipe 422 and extends out of the casing 10 from the tail of the casing 10.

The second heat exchanging part 42 includes a metal jacket 421 and a second heat exchanging pipe 422; the metal sleeve 421 is located in front of the metal plate 411 and surrounds the transducer 32, and the cross section of the metal sleeve 421 is substantially elliptical. The outer peripheral surface of the metal sleeve body 421 is provided with a second embedded groove which is bent in a reciprocating manner, the second heat exchange tubes 422 are arranged along the second embedded groove on the metal sleeve body 421, so that the second heat exchange tubes 422 are in a reciprocating bent state, the second heat exchange tubes 422 are also used for introducing heat exchange media, and the inlets and outlets of the second heat exchange tubes 422 are converged with the inlets and outlets of the first heat exchange tubes 412.

A liquid pump is provided outside the casing 10 for supplying the first heat exchange pipe 412 and the second heat exchange pipe 422 with a circulating heat exchange medium by the liquid pump in conjunction with the inlet 431 and the outlet 432 of the heat exchange pipes.

A first heat dissipation fin 413 is arranged on the lower plate surface of the metal plate body 411, and the first heat dissipation fin 413 is distributed on the whole lower plate surface of the metal plate body 411; the inner wall of the metal sleeve 421 is provided with a second heat dissipating fin 423, and the second heat dissipating fin 423 is distributed over the entire lower plate surface of the metal plate 411.

When the ultrasonic probe is used, the liquid pump enables a heat exchange medium to flow in the first heat exchange tube 412 and the second heat exchange tube 422, heat generated by the control circuit board 20 is transferred to the metal plate body 411 through the first heat dissipation fins 413 and exchanges heat with the heat exchange medium in the first heat exchange tube 412, and heat generated by heat exchange is transferred to the metal sleeve body 421 through the second heat dissipation fins 423 and exchanges heat with the heat exchange medium in the second heat exchange tube 422. In this way, the heat generated by the control circuit board 20 and the transducer 32 is transmitted out of the casing 10 from the rear part of the casing 10, which enables the control circuit board 20 and the transducer 32 to always operate in a lower temperature environment, and the temperature of the upper surface of the casing 10 in contact with the palm of the operator and the temperature of the head of the casing 10 in contact with the human tissue are lower.

The metal plate 411 and the metal sleeve 421 can be made of copper material or aluminum material with better heat conductivity.

The invention has the advantages that:

1. by additionally arranging the first heat exchanging part 41 and the second heat exchanging part 42, and by flowing the heat exchanging medium in the heat exchanging pipes, the heat generated by the control circuit board 20 and the transducer 32 is guided out of the casing 10 from the tail part of the casing 10, so that the control circuit board 20 and the transducer 32 can operate at a lower temperature, the temperatures of the upper surface and the head part of the casing 10 are lower, and the use experience of a patient of an operator is improved.

2. The heat insulation film 11 arranged in the casing 10 can effectively prevent heat from diffusing from the surface of the casing 10, and further improves the use experience of operators.

Moreover, although exemplary embodiments have been described herein, the scope of the present invention includes any and all embodiments based on the present invention with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative, and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above-described embodiments, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. An ultrasound probe, comprising:

a housing having a handle for an operator to hold and a head for facing human tissue;

an acoustic lens provided to the head of the housing;

a transducer disposed within the housing and located behind the acoustic lens;

2. The ultrasonic probe of claim 1, wherein the first heat exchange portion comprises a first heat exchange tube formed by bending reciprocally; the second slide-in part comprises a second heat exchange tube formed by reciprocating bending.

3. The ultrasonic probe according to claim 2, wherein the first heat exchanging portion further comprises a metal plate body disposed above the control circuit board; the first embedding groove which is bent in a reciprocating mode is formed in the upper portion of the metal plate body, and the first heat exchange tube is embedded in the first embedding groove along the direction of the first embedding groove.

4. The ultrasonic probe of claim 2, wherein the second heat exchanging portion further comprises a metal sleeve body, the metal sleeve body is located on the front side of the metal plate body, and the metal sleeve body surrounds the heat exchanger and the acoustic lens; wherein:

5. The ultrasonic probe of claim 1, wherein the inlet and outlet of the second heat exchange tube and the first heat exchange tube extend to the rear of the housing; and the inlets and outlets of the first heat exchange tube and the second heat exchange tube are converged.

6. The ultrasonic probe of claim 3, wherein the lower plate face of the metal plate is lined with heat dissipating fins.

7. The ultrasonic probe of claim 4, wherein the inner surface of the metal sleeve is covered with heat dissipating fins.

8. The ultrasound probe of claim 1, wherein a thermal insulating film is affixed to an inner wall of the housing.

9. The ultrasound probe of claim 1, wherein a gasket is disposed between the transducer and the control circuit board.