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CN118319359A - Ultrasonic probe and medical instrument - Google Patents

Ultrasonic probe and medical instrument Download PDF

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Publication number
CN118319359A
CN118319359A CN202410456307.6A CN202410456307A CN118319359A CN 118319359 A CN118319359 A CN 118319359A CN 202410456307 A CN202410456307 A CN 202410456307A CN 118319359 A CN118319359 A CN 118319359A
Authority
CN
China
Prior art keywords
head
sound
arc
sound head
transmission mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410456307.6A
Other languages
Chinese (zh)
Inventor
王新超
卞海
琚江华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Nuolaisheng Technology Co ltd
Original Assignee
Suzhou Nuolaisheng Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Nuolaisheng Technology Co ltd filed Critical Suzhou Nuolaisheng Technology Co ltd
Priority to CN202410456307.6A priority Critical patent/CN118319359A/en
Publication of CN118319359A publication Critical patent/CN118319359A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
    • A61B8/4466—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe involving deflection of 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • 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
    • A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0082—Scanning transducers

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Acoustics & Sound (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

The invention relates to the technical field of medical instruments, and discloses an ultrasonic probe and a medical instrument, wherein the ultrasonic probe comprises: the sound head comprises a head shell, a sound head, a transmission mechanism and a driving piece. One side surface of the head shell is bent into an arc shape and is internally provided with a cavity. One end of the sound head is provided with a rotating shaft, the sound head is rotatably arranged in the cavity through the rotating shaft, the rotating shaft extends out of the head shell along the length direction of the sound head, the sound head and the head shell are matched to form an arc, and an arc-shaped sound guiding oil cavity is formed between the sound head and the head shell. The transmission mechanism is arranged on the rotating shaft and is positioned at the outer side of the head shell. The driving piece is arranged on the head shell and connected with the transmission mechanism and is used for driving the sound head to reciprocate. According to the invention, the transmission mechanism is arranged outside the head shell, one side surface of the head shell is arc-shaped, and the sound head and the sound guiding oil cavity are correspondingly arc-shaped, so that the volume of the sound guiding oil cavity can be reduced, the volume of the sound guiding oil is reduced, the structure is compact, the whole volume and the weight are reduced, the use is convenient, and the processing and the use cost reduction are facilitated.

Description

Ultrasonic probe and medical instrument
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultrasonic probe and a medical instrument.
Background
An ultrasonic probe is equipment for ultrasonic detection and imaging, and is commonly used in the fields of medical diagnosis, industrial nondestructive detection, material science and the like. The working principle of the ultrasonic wave imaging device is that ultrasonic waves are transmitted to an object to be detected through an acoustic head by utilizing the characteristic that the ultrasonic waves propagate in a material, ultrasonic signals reflected from the interior of the object are received, and then the signals are used for analysis and imaging.
In order to perform multi-angle imaging and expand the scanning range, the conventional ultrasonic probe is generally provided with a transmission mechanism inside a head shell so as to drive the sound head to rotate. The disadvantage of this structure is that: the transmission mechanism is arranged in the head shell in a reserved large space, and the sound guide oil cavity for containing the sound guide oil is enlarged, so that the consumption of the sound guide oil is increased, and the volume and the weight of the ultrasonic probe are large, so that the ultrasonic probe is inconvenient to use.
Disclosure of Invention
In view of the above, the present invention provides an ultrasonic probe and a medical apparatus, so as to solve the problem that the ultrasonic probe is inconvenient to use due to large volume and weight after the transmission mechanism is arranged.
In a first aspect, the present invention provides an ultrasound probe comprising:
a head shell, wherein one side surface of the head shell is bent into an arc shape and a cavity is formed in the head shell;
The sound head is provided with a rotating shaft at one end and is rotatably arranged in the cavity through the rotating shaft, the rotating shaft extends out of the head shell along the length direction of the sound head, the sound head and the head shell are matched to form an arc shape, and an arc-shaped sound guiding oil cavity is formed between the sound head and the head shell;
The transmission mechanism is arranged on the rotating shaft and is positioned at the outer side of the head shell;
the driving piece is arranged on the head shell and connected with the transmission mechanism and is used for driving the sound head to reciprocate.
The beneficial effects are that: the transmission mechanism is arranged outside the head shell, so that the transmission mechanism can be effectively prevented from occupying the volume of the head shell and is not contacted with the sound guide oil, the transmission mechanism can be prevented from negatively affecting the sound guide oil, and the volume of the sound guide oil cavity is reduced. In addition, set up the side surface of head shell into the arc, sound head and lead the sound oil pocket and all correspond to set up into the arc, can further reduce the volume of leading the sound oil pocket, reduce the volume of leading the sound oil, compact structure to reduce ultrasonic probe's volume and weight, facilitate the use, still do benefit to processing and reduce use cost. The driving piece is alternately operated in the forward and reverse directions, and drives the sound head to reciprocate through the transmission mechanism to perform rotary scanning of the sound head, so that multi-angle scanning is realized and the scanning range is enlarged.
In an alternative embodiment, the transmission mechanism includes:
The first rotating part is fixedly sleeved on the rotating shaft and extends in the radial direction to form an arc-shaped plate, and an elastic piece is arranged on one side surface of the arc-shaped plate;
a second rotating member connected to the driving shaft of the driving member;
One end of the flexible rope is connected with the elastic piece and is wound on the second rotating part through the cambered surface of the arc-shaped plate, and the elastic piece can tighten the flexible rope.
The beneficial effects are that: according to the invention, the second rotating part is driven to rotate by the driving piece, and then the first rotating part is pulled to rotate by the second rotating part through the flexible rope, and the first rotating part drives the rotating shaft to rotate, so that the sound head is rotated, and simplicity and high efficiency are realized. Because the transmission mode of the flexible cable, the first rotating component and the second rotating component is adopted, the vibration amplitude is small, the movement is stable and reliable, the stable rotation scanning of the sound head is facilitated, and high-quality image signals are provided. In addition, through the external diameter of selecting first rotating part and second rotating part, can set up the transmission ratio in a flexible way, be favorable to selecting the drive piece of less moment of torsion, drive sound head and rotate with great moment of torsion, can also reduce the volume and the weight of drive piece, further reduce the holistic volume and the weight of ultrasonic probe.
In an alternative embodiment, the end of the arc surface of the arc-shaped plate is also provided with a pulley, the arc surface is provided with an arc-shaped groove, and the flexible cable is arranged in the arc-shaped groove by bypassing the pulley.
The beneficial effects are that: the pulley is arranged at the end part of the arc surface of the arc-shaped plate, the arc surface is provided with the arc-shaped groove, the flexible cable bypasses the pulley and is arranged in the arc-shaped groove, the relative friction between the flexible cable and the arc-shaped plate can be reduced, the guiding function is achieved on the flexible cable, and the motion stability of the flexible cable is improved.
In an alternative embodiment, the second rotating member is provided with a spiral winding groove in the circumferential direction, the opposite end of the cord being wound around the spiral winding groove, the spiral winding groove being located above the middle region of the arcuate groove.
The beneficial effects are that: the second rotating part is provided with a spiral winding groove along the circumferential direction, and the opposite end of the flexible cable is wound on the spiral winding groove so as to guide the flexible cable to rotate through the spiral winding groove. The spiral winding groove is positioned above the middle area of the arc-shaped groove, so that the flexible cable is paved from the spiral winding groove to the middle area of the arc-shaped groove and extends to the pulley along the arc-shaped groove, and the motion stability of the flexible cable is further improved.
In an alternative embodiment, the flexible cord is a steel wire and the elastic member is a spring.
The beneficial effects are that: the flexible rope is a steel wire, the elastic piece is a spring, the structure is simple, and the use cost is low. The steel wire is tensioned by means of the elasticity of the spring, so that the steel wire drives the first rotating part to rotate.
In an alternative embodiment, the head shell is in a bending shape, and the sound head and the sound guiding oil cavity are correspondingly provided in a bending shape.
The beneficial effects are that: the head shell is in a bending arch shape, the sound head and the sound guide oil cavity are correspondingly arranged in the bending arch shape, and the acoustic coupling of the rotary scanning of the sound head can be realized by the sound guide oil with the minimum capacity, so that the weight and the volume of the ultrasonic probe are reduced.
In an alternative embodiment, the opposite end of the sound head is provided with a further rotational axis, the sound head being rotatably connected to the head housing by a pair of rotational axes.
The beneficial effects are that: the other end of the sound head is provided with another rotating shaft, and the sound head is rotatably connected with the head shell through a pair of rotating shafts, so that the transmission at two ends of the sound head is realized, and the motion stability and the structural strength of the sound head are improved.
In a second aspect, the present invention also provides a medical device comprising:
an imaging device;
The ultrasonic probe, the sound head and the imaging device are electrically connected.
The beneficial effects are that: because the medical instrument comprises the ultrasonic probe, the ultrasonic probe has the same effect as that of the ultrasonic probe, namely, the transmission mechanism is arranged outside the head shell, the transmission mechanism can be effectively prevented from occupying the volume of the head shell and is not contacted with the sound guiding oil, the transmission mechanism can be prevented from negatively affecting the sound guiding oil, and the volume of the sound guiding oil cavity is reduced. In addition, set up the side surface of head shell into the arc, sound head and lead the sound oil pocket and all correspond to set up into the arc, can further reduce the volume of leading the sound oil pocket, reduce the volume of leading the sound oil, compact structure to reduce ultrasonic probe's volume and weight, facilitate the use, still do benefit to processing and reduce use cost. The driving piece is alternately operated in the forward and reverse directions, and drives the sound head to reciprocate through the transmission mechanism to perform rotary scanning of the sound head, so that multi-angle scanning is realized and the scanning range is enlarged.
In an alternative embodiment, the device further comprises a displacement sensor, wherein the displacement sensor is arranged on the head shell and is electrically connected with the imaging device for detecting the position of the sound head.
The beneficial effects are that: through setting up displacement sensor, can accurate detection sound head's position, with ultrasonic signal structure can provide accurate formation of image and be convenient for formation of image calibration.
In an alternative embodiment, the sound head is electrically connected to the imaging device by a flexible line.
The beneficial effects are that: the flexible circuit can effectively adapt to the rotation of the sound head, and the signal of the sound head is stably and continuously conducted to the imaging device. The flexible circuit can be folded and bent, which is beneficial to reducing the installation volume and convenient to install and is beneficial to further reducing the weight of the ultrasonic probe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of an ultrasound probe according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view at A-A of one type of ultrasound probe shown in FIG. 1;
fig. 3 is a schematic view of a partial structure of an ultrasonic probe according to an embodiment of the present invention.
Reference numerals illustrate:
1. A head shell; 101. an acoustic oil cavity; 2. an acoustic head; 201. a rotating shaft; 3. a transmission mechanism; 301. a first rotating member; 3011. an elastic member; 302. a second rotating member; 3021. a spiral winding slot; 303. a flexible cable; 304. a pulley; 305. an arc-shaped groove; 4. a driving member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
After the transmission mechanism is arranged for the ultrasonic probe, the volume and the weight of the ultrasonic probe are large, so that the problem of inconvenient use is caused. According to the embodiment of the invention, the transmission mechanism is arranged outside the head shell, one side surface of the head shell is arc-shaped, and the sound head and the sound guiding oil cavity are correspondingly arc-shaped, so that the volume of the sound guiding oil cavity can be reduced, the volume of the sound guiding oil is reduced, the structure is compact, the whole volume and the whole weight are reduced, and the use is convenient.
Embodiments of the present invention are described below with reference to fig. 1 to 3.
According to an embodiment of the present invention, in one aspect, as shown in fig. 1 and 2, there is provided an ultrasonic probe mainly including: a head shell 1, an acoustic head 2, a transmission mechanism 3 and a driving piece 4. One side surface of the head shell 1 is bent into an arc shape and is internally provided with a cavity. One end of the sound head 2 is provided with a rotating shaft 201, the sound head 2 is rotatably arranged in the cavity through the rotating shaft 201, the rotating shaft 201 extends out of the head shell 1 along the length direction of the sound head 2, the sound head 2 is matched with the head shell 1 to form an arc shape, and an arc-shaped sound guide oil cavity 101 is formed between the sound head 2 and the head shell 1. The transmission mechanism 3 is provided on the rotation shaft 201 and is located outside the head case 1. The driving piece 4 is arranged on the head shell 1 and connected with the transmission mechanism 3 for driving the sound head 2 to reciprocate.
According to the embodiment of the invention, the transmission mechanism 3 is arranged outside the head shell 1, so that the transmission mechanism 3 can be effectively prevented from occupying the volume of the head shell 1 and is not contacted with the sound guiding oil, the transmission mechanism 3 can be prevented from negatively affecting the sound guiding oil, and the volume of the sound guiding oil cavity 101 is reduced. In addition, set up the side surface of head case 1 into the arc, sound head 2 and lead the equal correspondence of sound oil pocket 101 and set up into the arc, can further reduce the volume of leading the sound oil pocket 101, reduce the volume of leading the sound oil, compact structure to reduce ultrasonic probe's volume and weight, facilitate the use, still do benefit to processing and reduce use cost. The driving piece 4 runs in a forward and reverse direction, drives the sound head 2 to reciprocate through the transmission mechanism 3, and performs rotary scanning of the sound head 2, so that multi-angle scanning is realized, and the scanning range is enlarged.
In particular, the driving member 4 may employ a motor. The motor is fixedly arranged at the top of the head shell 1, and the fixing mode can be a detachable fixing mode, such as a buckle, a screw and the like, or a fastening type fixing mode, such as welding. The axis of the drive shaft of the motor is arranged along the length direction of the sound head 2. The sound head 2 is driven to reciprocate within a certain range by the forward and reverse rotation of the motor. The reciprocating range of the sound head 2 can be set according to the actual requirement.
Specifically, the sound guiding oil cavity 101 is filled with sound guiding oil, that is, the sound guiding oil fills the sound guiding oil cavity 101. The sound guiding oil is used as a coupling medium for ultrasonic detection, and can provide good acoustic coupling between the sound head 2 and the detected object so as to transmit ultrasonic energy and ensure accurate propagation and reception of signals. In order to prevent leakage of the sound guiding oil, a gasket is further provided between the rotation shaft 201 and the head case 1. The sound guiding oil can be any existing sound guiding oil according to the needs.
It should be noted that, the embodiment of the present invention does not limit the transmission mechanism 3, as long as the transmission mechanism 3 can transmit the power of the driving member 4 to drive the sound head 2 to reciprocate.
In one embodiment, as shown in fig. 2 and 3, the transmission mechanism 3 mainly includes: a first rotating member 301, a second rotating member 302, and a flexible cord 303. The first rotating member 301 is fixedly sleeved on the rotating shaft 201, and extends in the radial direction to form an arc plate. An elastic piece 3011 is arranged on one side surface of the arc-shaped plate. The second rotating member 302 is connected to the drive shaft of the driving element 4. One end of the flexible cable 303 is connected with the elastic member 3011, and is wound on the second rotating member 302 through the arc surface of the arc plate, and the elastic member 3011 can tighten the flexible cable 303.
Specifically, the rotation shaft 201 may be selected to have a rectangular cross section. The first rotating member 301 is provided with a mounting hole along the axial direction and is sleeved on the rotating shaft 201 in an interference manner so as to drive the rotating shaft 201 to rotate synchronously. The second rotating member 302 may be fixedly coupled to the driving shaft of the driving member 4 by a spline and rotated in synchronization with the driving shaft.
According to the embodiment of the invention, the second rotating part 302 is driven to rotate by the driving part 4, the second rotating part 302 pulls the first rotating part 301 to rotate by the flexible cable 303, and the first rotating part 301 drives the rotating shaft 201 to rotate, so that the rotation of the sound head 2 is realized, primary transmission is formed, and the method is simple and efficient. Because of the transmission mode of the flexible cable 303, the first rotating component 301 and the second rotating component 302, the vibration amplitude is small, the movement is stable and reliable, the stable rotation scanning of the sound head 2 is facilitated, and high-quality image signals are provided.
In addition, by selecting the outer diameters of the first rotating member 301 and the second rotating member 302, the gear ratio can be flexibly set, for example, when a larger gear ratio needs to be designed, the outer diameter of the second rotating member 302 is reduced, and the outer diameter of the first rotating member 301 is increased to obtain a smaller-sized second rotating member 302. The driving piece 4 with smaller torque is favorable to be selected, the sound head 2 is driven to rotate by larger torque, the volume and the weight of the driving piece 4 can be reduced, and the volume and the weight of the whole ultrasonic probe are further reduced.
Since the rotational speed of the motor is generally high, the amplitude and speed of the oscillation of the sound head 2 are limited. In order to reduce the rotational speed of the motor. The second rotating member 302 may also be coupled to a motor via a speed reducer.
Further, in one embodiment, the arcuate end of the arcuate plate is further provided with a pulley 304. The cambered surface is provided with an arc-shaped groove 305. The flexible cord 303 is disposed around the pulley 304 in the arcuate slot 305. The relative friction between the flexible cable 303 and the arc plate can be reduced, the flexible cable 303 is guided, and the motion stability of the flexible cable 303 is improved.
Further, in one embodiment, the second rotating member 302 is provided with a spiral winding groove 3021 in the circumferential direction, and the opposite end of the cord 303 is wound around the spiral winding groove 3021, and the spiral winding groove 3021 is located above the middle area of the arc-shaped groove 305. To guide the rotation of the flexible cable 303 through the spiral winding groove 3021, so that the flexible cable 303 is laid from the spiral winding groove 3021 to the middle area of the arc-shaped groove 305 and extends to the pulley 304 along the arc-shaped groove 305, and the movement stability of the flexible cable 303 is further improved.
The flexible cord 303 and the elastic member 3011 are not limited in the embodiment of the present invention. In one embodiment, the flexible cord 303 is a steel wire and the elastic member 3011 is a spring. An upright post extends from one side surface of the arc-shaped plate. The opposite ends of the spring are respectively provided with a hook, one of which is hooked on the hook, and the other hook is fixedly connected with the steel wire. Simple structure and lower use cost. The spring is used to tighten the wire, and the wire is tightened by the elastic force of the spring so that the wire drives the first rotating member 301 to rotate.
It will be appreciated that the transmission 3 may alternatively be of other conventional construction, such as a gear drive, belt drive or the like, as desired. In addition, the transmission mechanism 3 can also selectively adopt secondary transmission, tertiary transmission and the like according to the requirements. The specific arrangement is selected according to actual needs, and the embodiment of the invention is not excessively limited.
In one embodiment, the head housing 1 has a curved shape, and the sound head 2 and the sound guiding oil chamber 101 are correspondingly provided in a curved shape. The acoustic coupling of the rotational scanning of the sound head 2 can be achieved with a minimum volume of sound guiding oil, thereby contributing to a reduction in weight and volume of the ultrasound probe.
In one embodiment, as shown in fig. 2 and 3, the opposite end of the sound head 2 is provided with a further rotational axis 201. The sound head 2 is rotatably connected to the head case 1 through a pair of rotation shafts 201. The transmission at two ends of the sound head 2 is realized, so that the motion stability and the structural strength of the sound head 2 are improved.
The ultrasound probe in this embodiment may also include other necessary modules or components, such as wires, circuit boards, etc., in order to perform the basic functions of the ultrasound probe. It should be noted that any suitable existing configuration may be selected for the other necessary modules or components included in the ultrasound probe. For clarity and brevity, the technical solutions provided by the present embodiments will not be repeated here, and the drawings in the description are correspondingly simplified. It will be understood that the embodiments of the invention are not limited in scope thereby.
According to an embodiment of the present invention, in another aspect, there is also provided a medical device including: the sound head 2 is electrically connected with the imaging device.
Because the medical apparatus comprises the ultrasonic probe, the transmission mechanism 3 is arranged outside the head shell 1, the volume of the head shell 1 occupied by the transmission mechanism 3 can be effectively avoided, the transmission mechanism is not contacted with the sound guiding oil, the negative influence of the transmission mechanism 3 on the sound guiding oil can be avoided, and the volume of the sound guiding oil cavity 101 is reduced. In addition, set up the side surface of head case 1 into the arc, sound head 2 and lead the equal correspondence of sound oil pocket 101 and set up into the arc, can further reduce the volume of leading the sound oil pocket 101, reduce the volume of leading the sound oil, compact structure to reduce ultrasonic probe's volume and weight, facilitate the use, still do benefit to processing and reduce use cost. The driving piece 4 runs in a forward and reverse direction, drives the sound head 2 to reciprocate through the transmission mechanism 3, and performs rotary scanning of the sound head 2, so that multi-angle scanning is realized, and the scanning range is enlarged.
In particular, medical instruments include, but are not limited to, ultrasonic diagnostic instruments, ultrasonic therapeutic instruments, and the like.
In one embodiment, the medical device further comprises a displacement sensor. The displacement sensor is arranged on the head shell 1, is electrically connected with the imaging device and is used for detecting the position of the sound head 2. By arranging the displacement sensor, the position of the sound head 2 can be accurately detected, and accurate imaging and imaging calibration convenient can be provided by the ultrasonic signal structure.
Specifically, the displacement sensor can select any existing displacement sensor according to the needs, the specific setting is selected according to the actual needs, and the embodiment of the invention is not excessively limited.
In one embodiment, the sound head 2 is electrically connected to the imaging device by flexible wiring (Flexible Printed Circuit, FPC). The flexible circuit can effectively adapt to the rotation of the sound head 2, and the signal of the sound head 2 is stably and continuously conducted to the imaging device. The flexible circuit can be folded and bent, which is beneficial to reducing the installation volume and convenient to install and is beneficial to further reducing the weight of the ultrasonic probe.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims (10)

1. An ultrasonic probe, comprising:
a head shell (1), one side surface of which is curved into an arc shape and is internally provided with a cavity;
One end of the sound head (2) is provided with a rotating shaft (201), the sound head is rotatably arranged in the cavity through the rotating shaft (201), the rotating shaft (201) extends out of the head shell (1) along the length direction of the sound head (2), the sound head (2) is matched with the head shell (1) to form an arc shape, and an arc-shaped sound guide oil cavity (101) is formed between the sound head and the head shell (1);
the transmission mechanism (3) is arranged on the rotating shaft (201) and is positioned at the outer side of the head shell (1);
the driving piece (4) is arranged on the head shell (1) and connected with the transmission mechanism (3) and is used for driving the sound head (2) to reciprocate.
2. The ultrasound probe according to claim 1, wherein the transmission mechanism (3) comprises:
The first rotating component (301) is fixedly sleeved on the rotating shaft (201) and extends along the radial direction to form an arc-shaped plate, and an elastic piece (3011) is arranged on one side surface of the arc-shaped plate;
A second rotating member (302) connected to a drive shaft of the driving element (4);
One end of the flexible rope (303) is connected with the elastic piece (3011) and is wound on the second rotating part (302) through the cambered surface of the cambered plate, and the elastic piece (3011) can tighten the flexible rope (303).
3. The ultrasonic probe according to claim 2, characterized in that the arc-shaped end of the arc-shaped plate is further provided with a pulley (304), the arc-shaped surface is provided with an arc-shaped groove (305), and the flexible cable (303) is arranged in the arc-shaped groove (305) by bypassing the pulley (304).
4. An ultrasound probe according to claim 3, wherein the second rotating member (302) is provided with a spiral winding groove (3021) in the circumferential direction, the opposite end of the flexible wire (303) is wound around the spiral winding groove (3021), and the spiral winding groove (3021) is located above the middle area of the arc-shaped groove (305).
5. The ultrasonic probe according to claim 2, characterized in that the flexible cable (303) is a steel wire and the elastic member (3011) is a spring.
6. The ultrasonic probe according to claim 1, wherein the head housing (1) is curved, and the sound head (2) and the sound guiding oil chamber (101) are curved correspondingly.
7. An ultrasonic probe according to claim 1, characterized in that the opposite end of the sound head (2) is provided with a further rotational shaft (201), the sound head (2) being rotatably connected to the head housing (1) by a pair of said rotational shafts (201).
8. A medical device, comprising:
an imaging device;
the ultrasound probe of any of claims 1 to 7, the sound head (2) being electrically connected with the imaging device.
9. The medical device according to claim 8, further comprising a displacement sensor provided on the head housing (1) in electrical connection with the imaging means for detecting the position of the sound head (2).
10. Medical device according to claim 8, characterized in that the sound head (2) is electrically connected to the imaging means by a flexible line.
CN202410456307.6A 2024-04-16 2024-04-16 Ultrasonic probe and medical instrument Pending CN118319359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410456307.6A CN118319359A (en) 2024-04-16 2024-04-16 Ultrasonic probe and medical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410456307.6A CN118319359A (en) 2024-04-16 2024-04-16 Ultrasonic probe and medical instrument

Publications (1)

Publication Number Publication Date
CN118319359A true CN118319359A (en) 2024-07-12

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Application Number Title Priority Date Filing Date
CN202410456307.6A Pending CN118319359A (en) 2024-04-16 2024-04-16 Ultrasonic probe and medical instrument

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