# US 11,896,431 B2 · Linear scanning mechanical volume probe

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- Number: US 11,896,431 B2
- Document ID: US11896431B2
- Status: Granted
- Kind: B2
- Application number: 18/181,413
- Filed: 2023-03-09
- Published: 2023-12-28
- Granted: 2024-02-13
- Earliest claimed: 2022-06-27
- Assignees: Shenzhen Sonosray Technology Co., Ltd.
- Applicants: Shenzhen Sonosray Technology Co., Ltd.
- Inventors: Shengli Tang; Xiaoyan Li
- Web page: https://patentgrep.com/patent/US11896431B2

## CPC

- A61B 8/4209: {by using holders, e.g. positioning frames}
- A61B 8/4461: {Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe}
- A61B 8/483: {involving the acquisition of a 3D volume of data}
- G01S 7/52079: {Constructional features (constructional features of transducers B06B; mounting transducers G10K11/00; constructional features of ultrasonic medical diagnostic devices A61B8/44)}
- G01S 15/8945: {using transducers mounted for linear mechanical movement}
- G01S 15/8993: {Three dimensional imaging systems}
- G10K 11/352: {by moving the transducer}
- A61B 8/4483: {characterised by features of the ultrasound transducer}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G10K: SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR

## Abstract

Disclosed is a linear scanning mechanical volume probe comprising a bracket on which a drive wheel, a first reverse wheel and a second reverse wheel are provided, an axis of the drive wheel, an axis of the first reverse wheel and an axis of the second reverse wheel are parallel; a guide rod is further provided on the bracket, and the axis of the guide rod is perpendicular to the axis of the drive wheel, a slider which can slide axially along the guide rod is provided on the guide rod, a transducer is fixedly connected to the slider; the first reverse wheel and the second reverse wheel are respectively provided near opposite ends of the guide rod, and further comprise a first rope and a second rope. The linear scanning mechanical volume probe can ensure that a high resolution image can be obtained at a distance from the transducer.

## Claims

### Claim 1

A linear scanning mechanical volume probe, comprising:
a bracket;
a drive wheel rotatably mounted on the bracket;
a first reverse wheel rotatably mounted on the bracket, an axis of the first reverse wheel being parallel to an axis of the drive wheel;
a second reverse wheel rotatably mounted on the bracket, an axis of the second reverse wheel being parallel to the axis of the drive wheel;
a drive member fixedly connected to the bracket, and an output shaft of the drive member being coaxial with and fixedly connected to the drive wheel;
a guide rod fixedly connected to the bracket, wherein an axis of the guide rod is perpendicular to the axis of the drive wheel, and the first reverse wheel and the second reverse wheel are respectively provided near opposite ends of the guide rod;
a slider axially slidable along the guide rod;
a transducer fixedly connected to the slider;
a first rope having two ends of the first rope respectively connected to the drive wheel and the slider, and the first rope being wound on the first reverse wheel;
a second rope, wherein two ends of the second rope are respectively connected to the drive wheel and the slider, and the second rope is wound on the second reverse wheel; the first rope and the second rope are wound on the drive wheel in opposite directions, and the winding direction of the first rope on the first reverse wheel is opposite to the winding direction of the second rope on the second reverse wheel; and
at least one elastic member connected to the drive wheel or the slider, at least one end of at least one rope being in buffer connection to the drive wheel or the slider via the elastic member.

### Claim 2 (depends on 1)

The linear scanning mechanical volume probe according to claim 1, wherein the drive wheel has a receiving groove, and an opening communicating with the receiving groove is provided on an outer side wall of the drive wheel; one end of the first rope connected to the drive wheel and one end of the second rope connected to the drive wheel respectively have a first chuck, and the first chuck extends into the receiving groove through the opening and abuts against an inner peripheral wall of the receiving groove.

### Claim 3 (depends on 1)

The linear scanning mechanical volume probe according to claim 1, wherein the drive wheel has a receiving groove and an opening communicating with the receiving groove is provided on an outer side wall of the drive wheel, one end of the first rope connected to the drive wheel and one end of the second rope connected to the drive wheel respectively have a first chuck, and the first chuck extends into the receiving groove through the opening; a first pin and the elastic member are provided in the receiving groove, the first pin is fixedly connected to the drive wheel, one end of the elastic member is connected to the first pin, wherein the first chuck forms a first clip, and the at least one first clip is connected to the other end of the elastic member.

### Claim 4 (depends on 1)

The linear scanning mechanical volume probe according to claim 1, wherein one end of the first rope connected to the slider and one end of the second rope connected to the slider respectively have a chuck, the slider is provided with a slot, and wherein chuck extends into the slot through the slider and abuts against an inner peripheral wall of the slot.

### Claim 5 (depends on 1)

The linear scanning mechanical volume probe according to claim 1, wherein one end of the first rope connected to the slider and one end of the second rope connected to the slider respectively have a chuck, wherein the chuck is provided with a clip, a pin is fixed on the slider, and wherein the clip is connected to the pin.

### Claim 6 (depends on 1)

The linear scanning mechanical volume probe according to claim 1, wherein one end of the first rope connected to the slider and one end of the second rope connected to the the slider respectively have a chuck, wherein the chuck is provided with a clip, a pin is fixed on the slider, one end of the elastic member is connected to the pin, and one end of the clip is connected to other end of the elastic member.

### Claim 7 (depends on 1)

The linear scanning mechanical volume probe according to claim 1, further comprising another guide rod, wherein the two guide rods are provided on the bracket at intervals along an axial direction of the drive wheel, the two guide rods are parallel to each other, and the slider respectively cooperates with the two guide rods.

### Claim 8 (depends on 7)

The linear scanning mechanical volume probe according to claim 7, wherein the slider is provided with a through hole through which one of the guide rod passes and a groove cooperating with the other guide rod.