CN111053571A - Ultrasonic probe - Google Patents
Ultrasonic probe Download PDFInfo
- Publication number
- CN111053571A CN111053571A CN201811209860.0A CN201811209860A CN111053571A CN 111053571 A CN111053571 A CN 111053571A CN 201811209860 A CN201811209860 A CN 201811209860A CN 111053571 A CN111053571 A CN 111053571A
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- housing
- shell
- probe
- ultrasonic
- piezoelectric material
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4455—Features of the external shape of the probe, e.g. ergonomic aspects
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The application discloses an ultrasonic probe, which comprises a sound head and a shell, wherein the sound head comprises a sound window, a matching layer, a piezoelectric material and a backing, the sound window, the matching layer, the piezoelectric material and the backing are sequentially connected, and at least part of the sound head is accommodated in the shell; the housing includes a first housing and a second housing covering at least an outer surface of a front portion of the first housing; the first housing is made of a hard material and the second housing is made of an elastic material. The second layer of the shell is made of elastic materials, so that discomfort of the ultrasonic probe to a patient in the scanning process is relieved.
Description
Technical Field
The application relates to the field of medical instruments, in particular to an ultrasonic probe.
Background
The ultrasonic probe is an important part of the ultrasonic diagnosis equipment, and in the using process of the ultrasonic diagnosis equipment, ultrasonic waves are transmitted to a part to be detected through the ultrasonic probe and ultrasonic echoes are received, the ultrasonic echoes are converted into electric signals through the ultrasonic probe and are conducted to the ultrasonic host, and the ultrasonic host processes the electric signals and generates ultrasonic images, so that the part to be detected is detected.
At present, the shell of the ultrasonic probe is made of hard plastic, the ultrasonic probe presses a patient back and forth during detection, great discomfort or pain is brought to the patient, particularly, the intracavity probe can cause medical accidents of heavy bleeding of the patient under severe conditions.
Disclosure of Invention
The application provides an ultrasonic probe to solve ultrasonic probe and press the discomfort or the misery that the patient brought for the ultrasonic probe when examining.
The application provides an ultrasonic probe, which comprises an acoustic head and a shell; the acoustic head comprises an acoustic window, a matching layer, a piezoelectric material and a backing, wherein the acoustic window, the matching layer, the piezoelectric material and the backing are sequentially connected; the piezoelectric material converts the electric signal into ultrasonic wave and converts the ultrasonic echo into the electric signal; the matching layer matches the acoustic impedance of the piezoelectric material and human tissue, and the acoustic transmission coefficient of the ultrasonic wave is increased; the back lining absorbs the ultrasonic wave emitted by the piezoelectric material to the back of the ultrasonic probe; ultrasonic waves emitted by the piezoelectric material to the front of the ultrasonic probe are transmitted to human tissues through the acoustic window; the sound head is at least partially accommodated in the shell; the housing includes a first housing and a second housing covering at least an outer surface of a front portion of the first housing; the first housing is made of a hard material and the second housing is made of an elastic material.
The second layer of the shell is made of elastic materials, so that discomfort of the ultrasonic probe to a patient in the scanning process is relieved.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of an ultrasound probe;
FIG. 2 is a cross-sectional view of one embodiment of an ultrasound probe;
FIG. 3 is a cross-sectional view of one embodiment of an ultrasound probe;
figure 4 is a cross-sectional view of one embodiment of an ultrasound probe.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In addition, well-known functions or constructions are not described in detail since they would obscure the description in unnecessary detail.
Referring to fig. 1 and 2, the present application provides an ultrasound probe, which includes a sound head and a housing, wherein the sound head includes a sound window, a matching layer, a piezoelectric material, and a backing, the sound window, the matching layer, the piezoelectric material, and the backing are connected in sequence, and the sound head may further include components such as a circuit board and/or a circuit. The piezoelectric material converts the electric signal into ultrasonic wave and converts the ultrasonic echo into the electric signal; the matching layer matches the acoustic impedance of the piezoelectric material and human tissue, and the acoustic transmission coefficient of the ultrasonic wave is increased; the back lining absorbs the ultrasonic wave emitted by the piezoelectric material to the back of the ultrasonic probe; the ultrasonic wave emitted by the piezoelectric material to the front of the ultrasonic probe is transmitted to the human tissue through the acoustic window. For convenience of description, an end surface of the sound head for transmitting and receiving the ultrasonic wave is defined as a front end surface of the sound head, one end of the ultrasonic probe for transmitting and receiving the ultrasonic wave is defined as a front end, a direction pointing to the front end is defined as a front direction, a direction opposite to the front direction is defined as a rear direction, and correspondingly, the front end of the sound head is defined as one end of the sound head facing the front direction. The sound head is at least partially accommodated in a housing comprising a first housing 1 and a second housing 2, the second housing 2 covering at least the outer surface of the front part of the first housing 1. The sound head is at least partially accommodated in the shell, and comprises sound head accommodation capacity or partial accommodation capacity in the shell, the sound head is accommodated in the shell and comprises the sound head accommodated in the first shell 1, the second shell 2 or the first shell 1 and the second shell 2, and the sound head is partially accommodated in the first shell 1 and partially accommodated in the second shell 2. The housing comprises a first housing 1 and a second housing 2, the second housing 2 at least covers the front outer surface of the first housing 1, the front of the first housing 1 refers to the front part of the first housing 1, the second housing 2 at least covers the outer surface of the front of the first housing 1, and the second housing 2 covers the outer surface of the front of the first housing 1 and does not cover the outer surface of other parts of the first housing 1; the second housing 2 covers an outer surface of a front portion of the first housing and covers a part of an outer surface of the other portion of the first housing 1; and the second housing 2 covers the entire outer surface of the first housing 1. The first housing 1 is made of a hard material, such as hard plastic or metal, or a metal material may be used for the portion covered by the second housing 2, or a hard plastic material may be used for the portion uncovered by the second housing 2, or other cases; the second housing 2 is made of an elastic material, such as rubber, silicone, TPE (thermoplastic elastomer material), PU (polyurethane material), etc. First shell 1 has played the structural support effect of probe shell, and second shell 2 covers or partly covers the anterior surface of first shell 1, and what be in direct contact with human tissue is second shell 2 by elastic material, and second shell 2 takes place elastic deformation under the atress condition, improves the comfortable degree that contacts with the human body when the probe sweeps human tissue.
In one embodiment, the front end surface of the sound head is exposed out of the first shell 1 and the second shell 2 to prevent the first shell 1 and the second shell 2 from affecting the transmission and reception of ultrasonic waves by the front end surface of the sound head, the first shell 1 at least partially accommodates other parts of the sound head, and the second shell 2 at least covers the front outer surface of the first shell. In one case, the front end surface of the sound head is exposed out of the first shell 1, and the other part of the sound head is accommodated in the first shell 1; alternatively, since the sound head itself is hard and can serve as a structural support, the first housing 1 can partially accommodate the other parts of the sound head with the front end surface of the sound head exposed. On the basis that the front end face of the sound head is exposed outside the second casing 2, the second casing 2 extends backwards to cover at least the front outer surface of the first casing 1, the second casing 2 extends backwards to only cover the front outer surface of the first casing 1, and the second casing 2 also extends backwards to cover the whole outer surface of the first casing 1 or other middle conditions.
In one embodiment, the ultrasonic probe is an intracavity probe, the front end face of the sound head is exposed out of the first shell and the second shell, the first shell 1 at least partially accommodates other parts of the sound head, and in order to prevent the part of the intracavity probe extending into the cavity from causing discomfort to a tested person due to hard materials, the second shell at least covers the outer surface of the first shell extending into the cavity. Referring to fig. 1, in an embodiment, the front end surface of the sound head is exposed outside the second housing, and the second housing 2 extends backward to cover the entire outer surface of the first housing 1, including the outer surface of the first housing 1 extending into the cavity. Referring to fig. 2, in an embodiment, the front end of the sound head is exposed outside the second casing, and the second casing 2 extends backward to cover the outer surface of the first casing 1 extending into the cavity, but not the outer surface of the other portion of the first casing 1. The second housing 2 may also be extended to cover at least the outer surface of the first housing 1 protruding into the cavity.
In one embodiment, the second housing 2 is made of an acoustically transparent material, including a material for forming an acoustic window of the ultrasonic probe, the second housing 2 does not affect the transmission and reception of ultrasonic waves from the front end surface of the acoustic head, and the front end surface of the acoustic head can be accommodated in the second housing 2 and exposed outside the first housing 1.
In one embodiment, the second housing 2 is made of an acoustically transparent material, and the front end surface of the sound head is accommodated in the second housing 2 and exposed out of the first housing 1. When the second housing 2 is made of the same material as the sound window, the second housing 2 can be connected with the sound window on the front end face of the sound head into a whole and extend backwards to cover at least the outer surface of the front part of the first housing 1. In one case, the front end face of the sound head is exposed out of the first shell 1, the other part of the sound head is accommodated in the first shell 1, and the second shell 2 extends backwards from the front end face of the sound head to cover or partially cover the outer surface of the first shell; in another case, since the sound head itself is rigid and can serve as a structural support, the first housing 1 can partially accommodate the other parts of the sound head with the front end surface of the sound head exposed, and the second housing 2 extends rearward from the front end surface of the sound head to cover or partially cover the outer surface of the first housing.
In one embodiment, the ultrasound probe is an intracavity probe and the second housing 2 is made of an acoustically transparent material, the second housing covering at least the outer surface of the first housing 1 extending into the cavity. The front end face of the sound head is exposed out of the first shell 1, other parts of the sound head are at least partially contained in the first shell, the front end face of the sound head is contained in the second shell 2, and the second shell 2 extends to at least cover the outer surface of the first shell 1 extending into the cavity. Including the case where the second housing 2 extends to cover the entire outer surface of the first housing 1, covers only the outer surface of the first housing 1 protruding into the cavity, or covers the outer surface of the first housing 1 protruding into the cavity and partially covers the other part of the first housing.
Referring to fig. 3, in one embodiment, the wall thickness of the first housing 1 is greater than that of the second housing 2. The larger wall thickness of the first housing can improve the strength of the whole housing and the comfort of holding, and is not limited to the case of larger thickness at the handle of the ultrasonic probe shown in the figure, but also includes the case of increasing the thickness at any part of the first housing 1. Under the condition that first shell 1 adopted the material of great coefficient of heat conductivity and specific heat capacity to make, the wall thickness of first shell 1 is big can let the heat fast dispersion that the probe during operation sound head produced to whole probe shell than the wall thickness of second shell 2, is favorable to the heat dissipation of probe, prevents that the sound head temperature of probe front end is too high. Meanwhile, the shape of the first housing 1 may not be limited to the shape of the appearance of the ultrasonic probe, but may be any shape that plays a structural supporting role, the shape of the appearance of the ultrasonic probe is formed by at least partially covering the outer surface of the first housing 1 by the second housing 2, and the wall thickness of the first housing 1 and the second housing 2 is specifically adjusted according to different probe types and measurement requirements.
Referring to fig. 3 and 4, in one embodiment, the outer surface of the housing is at least partially covered with a coating 3, and the coating 3 is formed by applying a self-cleaning paint. For different parts of the outer shell, such as the part of the first outer shell 1 exposed to the outside, the outer surface of the outer shell refers to the outer surface of the first outer shell 1; for the exposed part of the second casing 2, the outer surface of the casing refers to the outer surface of the second casing 2; that is, the outer surface of the housing is the surface of one surface of the entire outer side of the housing. The outer surface of the shell is covered with a coating 3 or partially covered with the coating 3, the coating 3 is formed by coating self-cleaning paint, the self-cleaning material can be nano paint with hydrophobic and oleophobic effects, the outer surface of the shell coated by the coating is not easy to be stained with dirt, the cleaning is convenient, and meanwhile, the wear resistance of the shell can be improved.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. An ultrasonic probe, comprising a sonotrode and a housing;
the acoustic head comprises an acoustic window, a matching layer, a piezoelectric material and a backing, wherein the acoustic window, the matching layer, the piezoelectric material and the backing are sequentially connected;
the piezoelectric material converts an electric signal into ultrasonic waves and converts ultrasonic echoes into an electric signal;
the matching layer matches the acoustic impedance of the piezoelectric material and human tissue, and the acoustic transmission coefficient of ultrasonic waves is increased;
the backing absorbs ultrasonic waves emitted by the piezoelectric material to the back of the ultrasonic probe;
the ultrasonic wave emitted by the piezoelectric material to the front of the ultrasonic probe is transmitted to human tissues through the acoustic window;
the sound head is at least partially accommodated in the shell;
the housing includes a first housing and a second housing covering at least an outer surface of a front portion of the first housing;
the first housing is made of a hard material and the second housing is made of an elastic material.
2. The ultrasound probe of claim 1, wherein the front face of the horn is exposed outside the first and second housings.
3. The ultrasound probe of claim 2, wherein the ultrasound probe is an intracavity probe;
the second housing covers at least an outer surface of the first housing that is to extend into the body cavity.
4. The ultrasound probe of any of claims 1 to 3, wherein the second housing is made of an acoustically transparent material.
5. The ultrasound probe of claim 4, wherein a front face of the sonotrode is housed within the second housing; the front end face of the sound head is exposed out of the first shell.
6. The ultrasound probe of any of claims 1 to 5, wherein the first shell has a wall thickness that is greater than a wall thickness of the second shell.
7. The ultrasound probe of any of claims 1 to 6, wherein an outer surface of the housing is at least partially coated; the coating is formed by coating self-cleaning paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209860.0A CN111053571A (en) | 2018-10-17 | 2018-10-17 | Ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209860.0A CN111053571A (en) | 2018-10-17 | 2018-10-17 | Ultrasonic probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111053571A true CN111053571A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811209860.0A Pending CN111053571A (en) | 2018-10-17 | 2018-10-17 | Ultrasonic probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111053571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210330291A1 (en) * | 2020-04-28 | 2021-10-28 | General Electric Company | Ultrasonic probe and ultrasonic apparatus |
-
2018
- 2018-10-17 CN CN201811209860.0A patent/CN111053571A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210330291A1 (en) * | 2020-04-28 | 2021-10-28 | General Electric Company | Ultrasonic probe and ultrasonic apparatus |
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