CN115089210B - Mechanical three-dimensional ultrasonic probe for separately measuring body fluid volume - Google Patents
Mechanical three-dimensional ultrasonic probe for separately measuring body fluid volume Download PDFInfo
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- CN115089210B CN115089210B CN202211015585.5A CN202211015585A CN115089210B CN 115089210 B CN115089210 B CN 115089210B CN 202211015585 A CN202211015585 A CN 202211015585A CN 115089210 B CN115089210 B CN 115089210B
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- 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
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Abstract
The invention relates to the technical field of ultrasonic probes, in particular to a mechanical three-dimensional ultrasonic probe for separately measuring the body fluid volume. The utility model provides a three-dimensional ultrasonic probe of machinery of split type measurement body fluid capacity, includes sensor, second motor, sealed storehouse, first motor and overcoat, and the second motor includes second pivot and second shell, and the second pivot is passed through link connection sensor, and the second shell is installed on the cloud platform top, and the sealed storehouse comprises sealed cowling and connecting portion, and the sealed storehouse cladding is outside sensor and second motor, and the sealed storehouse intussuseption is filled with acoustic medium. The invention provides an ultrasonic probe with a novel structure, and a second rotating shaft of a second motor is a rotor. Compared with the prior art, the rotation inertia is small. The sensor bracket, the first side arm and the second side arm of the connecting frame are connected with the second motor rotor and the sensor, so that the connecting structure between the sensor bracket and the first side arm is more stable, and the sensor is prevented from falling off.
Description
Technical Field
The invention relates to the technical field of ultrasonic probes, in particular to a mechanical three-dimensional ultrasonic probe for separately measuring the volume of body fluid.
Background
The body fluid volume measuring technology has some ultrasonic measuring probe patents in China. In particular to a three-dimensional ultrasonic probe of a bladder capacity measuring instrument of the invention patent with the publication number of CN101385651B, one of the technical characteristics is that an upper stepping motor is designed into an outer rotor motor, namely, a rotating shaft part of the motor is changed into a stator of the motor, and a shell part of the motor is changed into a rotor; the second characteristic is that the lower stepping motor and the related mechanism in the front end sealed cabin are integrated and can not be disassembled. In addition, other ultrasonic probes are formed by directly adhering an ultrasonic sensor to a curved surface of a motor housing by using glue.
According to the method for manufacturing the rotor by using the motor shell, the motor shell is too large in size, the sensor is adhered to the curved surface of the shell, the inertia is increased during operation, the sensor adhering process cannot be consistent, the sensor is easy to fall off, and the process quality is difficult to guarantee; and once a fault occurs, the probe cannot be disassembled and is difficult to maintain, and the whole probe faces the risk of only being scrapped, so that the cost is increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a mechanical three-dimensional ultrasonic probe for separately measuring the volume of body fluid.
The invention is realized by the following technical scheme:
a mechanical three-dimensional ultrasonic probe for separately measuring the body fluid volume comprises a sensor, a second motor, a sealed cabin, a first motor and a jacket, wherein the second motor comprises a second rotating shaft and a second shell; the sealed bin comprises a sealed cover and a connecting part, the sealed bin is coated outside the sensor and the second motor, and the sealed bin is filled with acoustic media; the first motor comprises a first rotor and a first stator, the top of the holder is connected with a connecting part, the connecting part is connected with the first rotor, the first stator is installed on the outer sleeve, and the axis of the second rotating shaft is perpendicular to the axis of the first rotor.
According to the above technical scheme, preferably, the connecting frame includes a sensor support, a first side arm and a second side arm, the second housing is respectively extended from two ends of the second rotating shaft, the first end of the second rotating shaft is fixedly connected with the first side arm, the second end of the second rotating shaft is fixedly connected with the second side arm, the first side arm and the second side arm are parallel to each other, the sensor support is fixedly connected with the sensor, and the sensor support is fixedly connected with the first side arm and the second side arm.
According to the technical scheme, preferably, the connecting part comprises a middle shaft and a holder seat, the first end of the middle shaft is fixedly connected with the first rotor, the second end fixed connection cloud platform seat of axis, cloud platform top and cloud platform seat fixed connection.
According to the above technical scheme, preferably, the connecting portion further comprises a connecting body, the connecting body is provided with a central hole, a boss and a clamping portion, an oil seal, a thrust bearing and a ball bearing are arranged in the central hole, the central shaft penetrates through the central hole, the oil seal, the thrust bearing and the ball bearing are all sleeved on the central shaft, the boss is bonded and sealed with the sealing cover, and the clamping portion is clamped and fixed with the outer sleeve.
According to the above technical scheme, preferably, the connecting body is fixedly connected with the motor mounting frame, and the motor mounting frame is fixedly connected with the first stator.
According to the technical scheme, preferably, cables of the first motor, the second motor and the sensor are connected with a circuit board, the circuit board is installed in the outer casing, and the circuit board is connected with an external cable.
According to the technical scheme, preferably, the outer sleeve is provided with a button, and the button is connected with the circuit board.
According to the technical scheme, preferably, the top of the holder is provided with a limit screw, and the limit screw is used for limiting the rotation range of the connecting frame.
According to the above technical solution, preferably, the sealing cap is provided with a hemispherical head, and a radius of the hemispherical head is larger than a rotation radius of the sensor.
The invention has the beneficial effects that: an ultrasonic probe of a new construction is provided and the second rotational axis of the second motor is a rotor. Compared with the prior art, the rotation inertia is small. The sensor bracket, the first side arm and the second side arm of the connecting frame are connected with the second rotor and the sensor of the second motor, so that the connecting structure of the sensor bracket and the sensor is more stable, and the sensor is prevented from falling off.
Drawings
Fig. 1 shows a schematic front view structure of an embodiment of the present invention.
In the figure: 1. a cloud pedestal; 2. the holder is supported; 3. a housing bracket; 4. a side arm shock absorber; 5. a middle shaft; 6. a ball bearing; 7. a second housing; 8. a sensor holder; 9. a sensor; 10. a first side arm; 11. a connecting screw; 12. a limit screw; 13. a linker; 14. a limiting block; 15. a motor mounting bracket; 16. a first stator; 17. a limiting disc; 18. a motor bracket; 19. a sealing cover; 20. a set screw; 21. a thrust bearing; 22. oil sealing; 23. sealing grease; 24. a second side arm; 25. a circuit board; 26. an oil filler hole; 27. an exhaust hole; 28. a first rotor; 29. sealing the bin; 30. a wire protecting sleeve; 31. a button; 32. an external cable; 33. a jacket; 34. a second rotating shaft.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, the present invention provides a mechanical three-dimensional ultrasonic probe for separately measuring a volume of a body fluid, comprising a sensor 9, a second motor, a sealed cabin 29, a first motor and an outer sleeve 33, wherein the second motor comprises a second rotating shaft 34 and a second housing 7, the second rotating shaft 34 is connected with a connecting frame, the connecting frame is connected with the sensor 9, and the second housing 7 is mounted on a holder top 2; the sealed cabin 29 comprises a sealed cover 19 and a connecting part, the sealed cabin 29 is covered outside the sensor 9 and the second motor, and the sealed cabin 29 is filled with acoustic media; the first motor comprises a first rotor 28 and a first stator 16, the tripod head 2 is connected with a connecting part, the connecting part is connected with the first rotor 28, the first stator 16 is arranged on the outer sleeve 33, and the axis of the second rotating shaft 34 is perpendicular to the axis of the first rotor 28.
In the present embodiment, the sensor 9 is an ultrasonic sensor having functions of transmitting ultrasonic waves and receiving echo signals.
The second motor comprises a second rotating shaft 34 and a second shell 7, and the second shell 7 is coated outside the second rotating shaft 34. The second shaft 34 is part of the rotor of the second motor and the second housing 7 is part of the stator of the second motor.
The second rotating shaft 34 is connected with the sensor 9 through a connecting frame, so that the second rotating shaft 34 can drive the sensor 9 to rotate. In one particular embodiment, the attachment bracket includes a sensor bracket 8, a first side arm 10, and a second side arm 24. The two ends of the second rotating shaft 34 respectively extend out of the second casing 7, i.e. a double-shaft structure, and the second motor adopting the structure, i.e. a double-shaft motor. The first end of the second rotating shaft 34 of the double-extension shaft structure is fixedly connected with the first side arm 10, the second end of the second rotating shaft 34 is fixedly connected with the second side arm 24, and the second rotating shaft 34 can drive the first side arm 10 and the second side arm 24 to synchronously rotate. The first side arm 10 and the second side arm 24 are provided with side arm dampers 4, respectively. Specifically, the first side arm 10 and the second side arm 24 are respectively provided with a non-circular shaped hole, and the second rotating shaft 34 is inserted into the shaped holes, and the non-circular shaped holes can transmit torque. Sensor support 8 and sensor 9 fixed connection, it is specific, sensor support 8 is equipped with the joint interface, and sensor 9 is fixed with the joint interface joint. The sensor bracket 8 is fixedly connected to the first side arm 10 and the second side arm 24, and specifically, the sensor bracket 8 and the first side arm 10 are fixedly connected to each other, and the sensor bracket 8 and the second side arm 24 are fixedly connected to each other by the connecting screws 11. The first side arm 10 and the second side arm 24 are parallel to each other, so that the second rotating shaft 34, the sensor holder 8, the first side arm 10 and the second side arm 24 form a rectangular-like structure, and when the second rotating shaft 34 rotates, the sensor 9 is driven to rotate around the axis of the second rotating shaft 34 by the sensor holder 8, the first side arm 10 and the second side arm 24. Moreover, the connection between the sensor 9 and the second rotating shaft 34 is stable and not easy to fall off due to the connecting frame structure.
In one embodiment, the top 2 is a disk-shaped structure, and the center of the top 2 is located on the axis of the first rotor 28, so that the disk-shaped structure can avoid interference when the sealing cover 19 rotates. One side of the holder top 2 is fixedly connected with a second shell 7 through a shell bracket 3. The holder top 2 is provided with a limit screw 12, a limit part of the limit screw 12 extends into the sealed bin 29, the limit part is positioned in a rotating path of the connecting frame, and the limit part can limit the rotating angle range of the connecting frame.
The sealed chamber 29 is used to house the sensor 9, the second motor and the acoustic medium. And when the ultrasonic probe works, the interior of the sealed cabin 29 is full of acoustic medium, and the sealed cabin 29 has a sealing function to prevent the leakage of the acoustic medium. In this embodiment, the sealed cabin 29 is composed of a sealed cover 19 and a connecting portion, the sealed cover 19 has a single opening, the connecting portion is connected with the opening of the sealed cover 19 in a sealing manner, the connecting portion is connected with a transmission structure through a sealing structure, and the transmission structure is used for driving the holder top 2 in the sealed cabin 29 to rotate by a first motor outside the sealed cabin 29.
In a particular embodiment, the connection portion comprises a cloud deck 1 and a central shaft 5. Cloud platform seat 1 fixed connection cloud platform top 2. Cloud pedestal 1 has the connecting hole, and the axis of connecting hole and the axis collineation of first rotor 28, and the connecting hole is used for connecting the second end of axis 5, and fixes through radial pin between the second end of axis 5 and the connecting hole, makes cloud pedestal 1 and axis 5 fixed connection, and axis 5 can drive cloud pedestal 1 and rotate. The axis of the bottom bracket 5 is collinear with the axis of the first rotor 28. The first end of the central shaft 5 is provided with a connecting counterbore into which the first rotor 28 is inserted. The connecting counter bore is provided with a radial threaded hole, the threaded hole is connected with a set screw 20, the set screw 20 is screwed into the threaded hole and tightly presses the first rotor 28, so that the middle shaft 5 is fixedly connected with the first rotor 28, and the first rotor 28 can drive the middle shaft 5 to rotate. Through the structure, the first motor can sequentially drive the middle shaft 5, the holder base 1 and the holder top 2 to rotate, and the second motor, the connecting frame and the sensor 9 which are arranged on the holder top 2 can also rotate along with the holder top 2. The cloud platform base 1 and the middle shaft 5 are the transmission structure of the connecting part. In a specific embodiment, a limiting block 14 is disposed on one side of the tripod head base 1, the limiting block 14 is fixedly connected with the connecting body 13, and the limiting block 14 limits a rotation range of the tripod head base 1.
In another embodiment, the connecting portion further comprises a connecting body 13. The connecting body 13 is of a cylinder-like structure.
The connector 13 is provided with a boss. The boss is a cylindrical structure with a circumferential surface protruding outwards. The circumferential surface of the boss is connected to the inner wall of the sealing cover 19 in a sealing manner, specifically, by bonding. The circumference of the boss is provided with a groove or a concave line which can enhance the bonding connection stability.
The connecting body 13 is further provided with a central hole, an oil seal 22, a thrust bearing 21 and a ball bearing 6 are arranged in the central hole, the central shaft 5 penetrates through the central hole, and the oil seal 22, the thrust bearing 21 and the ball bearing 6 are all sleeved on the central shaft 5. The oil seal 22 is used for sealing between the middle shaft 5 and the central hole of the connecting body 13. The oil seal 22 and the circumferential surface of the boss are connected with the inner wall of the sealing cover 19 in a closed way, so that a closed sealing bin 29 is formed inside the sealing cover 19. Two thrust washers of the thrust bearing 21 are respectively abutted against the connecting body 13 and the tripod head base 1 for supporting the rotating tripod head base 1. Specifically, two ball bearings 6 are arranged in the central hole and are sleeved outside the central shaft 5, and the central shaft 5 is supported by the two ball bearings 6 in order to prevent axial deformation during transmission due to the fact that the length of the central shaft 5 is long. The middle shaft 5 is provided with a convex ring. One side of the connecting body 13 close to the first motor is fixedly connected with a limiting disc 17. The two end faces of the first ball bearing are respectively abutted against the connecting body 13 and the convex ring, and the two end faces of the second ball bearing are respectively abutted against the convex ring and the limiting disc 17. The first ball bearing, the second ball bearing, the convex ring of the middle shaft 5 and the central hole of the connecting body 13 enclose a closed space, and sealing grease 23 is arranged in the closed space. The sealing grease 23 can further enhance the sealing effect.
The connecting body 13 is also provided with a clamping part. The clamping part is clamped and fixed with the outer sleeve 33.
The connecting body 13 is further provided with an oil filling hole 26, an exhaust hole 27 and a line passing hole. The oil filler hole 26 is used for injecting an acoustic medium into the sealed cabin 29. The vent hole 27 is used to vent air in the sealed chamber 29 when the acoustic medium is injected. The wire through hole is used for the cable of the sensor 9 and the second motor to extend out of the sealed cabin 29. The oil filling hole 26, the exhaust hole 27 and the wire passing hole are plugged by jackscrews, the jackscrews are screwed into the holes and then sealed by sealant, so that the holes are sealed, and the sealed cavity is sealed. And the sealant is melted by heating or damaged in other ways, and then the jackscrew is screwed out, so that the hole is opened.
In one embodiment, the sealing cap 19 includes a head in the form of a hemispherical shell and a sleeve having the same diameter as the head, with the circular edge of the head being integrally connected to an end opening of the sleeve. The axis of the seal housing 19 is collinear with the axis of the first rotor. The radius of the head is larger than the radius of rotation of the sensor 9. When the sensor 9 rotates, the sensor 9 does not collide with the seal cover 19.
In this embodiment, the connecting body 13 of the connecting portion is bonded and sealed with the outer opening of the sleeve of the sealing cover 19, and the inner hole of the connecting portion is connected with the central shaft 5 through the oil seal 22, so that the sealing chamber 29 achieves a sealing effect and prevents the acoustic medium in the sealing chamber 29 from leaking.
As described above, the connecting portion and the sealing cap 19 constitute the front portion of the probe, and the connecting portion and the sheath 33 constitute the rear portion of the probe in view of the external configuration of the probe.
The first motor is mounted inside the casing 33. In one embodiment, the housing of the first motor is fixedly connected to the outer casing 33 through the motor bracket 18, and the housing of the first motor is fixedly connected to the connecting body 13 through the motor mounting bracket 15, so that the axis of the first rotor 28 of the first motor is collinear with the axis of the central hole of the connecting body 13, thereby improving the mounting accuracy.
The axes of the first rotor 28 and the second rotating shaft 34 are perpendicular to each other, meanwhile, the first rotor 28 can drive the second motor and the sensor 9 to rotate, and the second rotating shaft 34 can drive the sensor 9 to rotate, so that the sensor 9 can move in the range of a spherical crown surface, and the scanning function of the mechanical ultrasonic probe is realized.
The cables of the first motor, the second motor and the sensor 9 are all connected with a circuit board 25, the circuit board 25 is arranged in a casing 33, the circuit board 25 is connected with an external cable 32, the casing 33 is provided with a button 31, and the button 31 is connected with the circuit board 25. The first motor, the second motor and the sensor 9 realize functions such as function, on-off control, signal transmission and the like through the connecting circuit board 25 and the external cable 32. The button 31 may control the turning on or off of the circuit. The exterior cable 32 is provided with a grommet 30 for protecting the exterior cable 32.
The working principle of the embodiment is as follows: after the capsule 29 is filled with acoustic medium, the first motor, the second motor and the sensor 9 are activated. The first rotor 28 of the first motor drives the center shaft 5 to rotate, and the center shaft 5 drives the cloud platform base 1 and the cloud platform top 2 to rotate. Meanwhile, the second rotating shaft 34 of the second motor drives the sensor 9 to rotate back and forth in a certain angle range through the connecting frame, for example, the maximum rotation angle of the sensor 9 is 160 degrees. Since the first rotor 28 and the second rotating shaft 34 are perpendicular to each other, the first motor and the second motor will drive the sensor 9 to scan within a certain range. The sensor 9 emits ultrasonic waves, the ultrasonic waves penetrate through the sealing cover 19 and then enter human tissues, and ultrasonic reflection echo information of the human tissues is received and processed.
The beneficial effects of the invention are: an ultrasonic probe of a new structure is provided, and the second rotating shaft of the second motor is a rotor. Compared with the prior art, the rotation inertia is small. The sensor bracket, the first side arm and the second side arm of the connecting frame are connected with the second rotor and the sensor of the second motor, so that the connecting structure of the sensor bracket and the sensor is more stable, and the sensor is prevented from falling off.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A mechanical three-dimensional ultrasonic probe for separately measuring the volume of body fluid is characterized by comprising a sensor, a second motor, a sealed cabin, a first motor and an outer sleeve, wherein,
the second motor comprises a second rotating shaft and a second shell, the second rotating shaft is connected with a connecting frame, the connecting frame is connected with the sensor, and the second shell is arranged on the top of the holder;
the sealed bin comprises a sealed cover and a connecting part, the sealed bin is covered outside the sensor and the second motor, and acoustic media are filled in the sealed bin;
the first motor comprises a first rotor and a first stator, the holder top is connected with a connecting part, the connecting part is connected with the first rotor, the first stator is installed on the outer sleeve, and the axis of the second rotating shaft is perpendicular to the axis of the first rotor;
the connecting frame comprises a sensor bracket, a first side arm and a second side arm, two ends of the second rotating shaft respectively extend out of the second shell, the first end of the second rotating shaft is fixedly connected with the first side arm, the second end of the second rotating shaft is fixedly connected with the second side arm, the first side arm and the second side arm are parallel to each other, the sensor bracket is fixedly connected with the sensor, and the sensor bracket is fixedly connected with the first side arm and the second side arm;
the connecting part comprises a middle shaft and a tripod head seat, a first end of the middle shaft is fixedly connected with the first rotor, a second end of the middle shaft is fixedly connected with the tripod head seat, and a tripod head top is fixedly connected with the tripod head seat;
the connecting part also comprises a connecting body, the connecting body is provided with a central hole, a boss and a clamping part, an oil seal, a thrust bearing and a ball bearing are arranged in the central hole, the central shaft penetrates through the central hole, the oil seal, the thrust bearing and the ball bearing are all sleeved on the central shaft, the boss is bonded and sealed with the sealing cover, and the clamping part is clamped and fixed with the outer sleeve;
the connecting body is fixedly connected with a motor mounting frame, and the motor mounting frame is fixedly connected with the first stator.
2. The split mechanical three-dimensional ultrasonic probe for measuring the volume of the body fluid according to claim 1, wherein the first motor, the second motor and the cable of the sensor are all connected with a circuit board, the circuit board is installed in the outer casing, and the circuit board is connected with an external cable.
3. The split mechanical three-dimensional ultrasonic probe for measuring the volume of body fluid according to claim 2, wherein the outer sleeve is provided with a button, and the button is connected with the circuit board.
4. The mechanical three-dimensional ultrasonic probe for separately measuring the body fluid volume according to claim 1, wherein a limit screw is arranged at the top of the holder and used for limiting the rotation range of the connecting frame.
5. The split mechanical three-dimensional ultrasonic probe for measuring the volume of body fluid according to claim 1, wherein the sealing cover is provided with a hemispherical head, and the radius of the hemispherical head is larger than the rotation radius of the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211015585.5A CN115089210B (en) | 2022-08-24 | 2022-08-24 | Mechanical three-dimensional ultrasonic probe for separately measuring body fluid volume |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211015585.5A CN115089210B (en) | 2022-08-24 | 2022-08-24 | Mechanical three-dimensional ultrasonic probe for separately measuring body fluid volume |
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| CN115089210A CN115089210A (en) | 2022-09-23 |
| CN115089210B true CN115089210B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211015585.5A Active CN115089210B (en) | 2022-08-24 | 2022-08-24 | Mechanical three-dimensional ultrasonic probe for separately measuring body fluid volume |
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| JPH05344974A (en) * | 1992-02-25 | 1993-12-27 | Fujitsu Ltd | Ultrasonic wave probe |
| JPH10216144A (en) * | 1997-02-06 | 1998-08-18 | Olympus Optical Co Ltd | Ultrasonic diagnosing therapeutic apparatus |
| JP2000296130A (en) * | 1999-04-13 | 2000-10-24 | Olympus Optical Co Ltd | Mechanical scan type ultrasonic probe |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101385651B (en) * | 2008-11-03 | 2011-05-25 | 俞德芳 | Three dimensional ultrasound probe head of bladder capacity measuring device |
| CN102657540B (en) * | 2012-04-25 | 2014-06-25 | 绵阳美科电子设备有限责任公司 | Rotation device for ultrasonic transducer of ultrasonic probe |
| CN103815931B (en) * | 2014-03-13 | 2015-09-23 | 天津迈达医学科技股份有限公司 | A kind of ophthalmology three-dimensional machinery sector scanning ultrasonic probe |
| JP6650764B2 (en) * | 2016-01-18 | 2020-02-19 | 株式会社トプコン | Ultrasonic motor and surveying device |
| CN208756023U (en) * | 2018-04-09 | 2019-04-19 | 温州市中心医院 | Automatic ultrasonic probe fixing device |
| CN111250767B (en) * | 2020-03-27 | 2021-07-13 | 南京航空航天大学 | Variable-frequency ultrasonic vibration machining system for numerical control milling machine |
| CN113100829B (en) * | 2021-03-15 | 2021-12-07 | 中国医学科学院生物医学工程研究所 | Anterior segment three-dimensional ultrasonic scanning imaging device and method |
| CN112790793B (en) * | 2021-04-15 | 2021-06-29 | 天津迈达医学科技股份有限公司 | Split type ophthalmology ultrasonic mechanical sector scanning probe |
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2022
- 2022-08-24 CN CN202211015585.5A patent/CN115089210B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05344974A (en) * | 1992-02-25 | 1993-12-27 | Fujitsu Ltd | Ultrasonic wave probe |
| JPH10216144A (en) * | 1997-02-06 | 1998-08-18 | Olympus Optical Co Ltd | Ultrasonic diagnosing therapeutic apparatus |
| JP2000296130A (en) * | 1999-04-13 | 2000-10-24 | Olympus Optical Co Ltd | Mechanical scan type ultrasonic probe |
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