CN112790793B - Split type ophthalmology ultrasonic mechanical sector scanning probe - Google Patents
Split type ophthalmology ultrasonic mechanical sector scanning probe Download PDFInfo
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- CN112790793B CN112790793B CN202110403673.1A CN202110403673A CN112790793B CN 112790793 B CN112790793 B CN 112790793B CN 202110403673 A CN202110403673 A CN 202110403673A CN 112790793 B CN112790793 B CN 112790793B
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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
- A61B8/10—Eye inspection
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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
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Abstract
The utility model provides a split type fan-shaped scanning ultrasonic probe of machinery, head end mouth at the overcoat is provided with the sound-permeable window, the tail end of overcoat is provided with back lid and the inlaid connection is used for running through control cable's wire sheath at back lid tail end, the inside of overcoat is divided into preceding, back two parts through intermediate junction mechanism, the front portion is divided into the scanning mechanism that can carry out fan-shaped scanning, the rear portion is divided into and carries out driven actuating mechanism to scanning mechanism, actuating mechanism is through intermediate junction mechanism connection scanning mechanism come to carry out fan-shaped scanning to the eye. The invention can be matched with circular or ring array ultrasonic heat exchangers with different frequencies, has wide application to the diagnosis or detection of soft tissue diseases, the scanning angle is selected from less than or equal to 15 degrees to 120 degrees, the probe has the advantages of small noise, strong anti-interference capability, safety, effectiveness, long service life, simple structure, simple probe assembly process, labor and time saving, convenient maintenance and capability of replacing the motor, and can be matched with ultrasonic scanners with different applications to be used for clinical diagnosis or the detection of soft tissues such as animals and the like.
Description
Technical Field
The present invention relates to an ultrasonic probe. In particular to a split type ophthalmic ultrasonic mechanical sector scanning probe used in an ophthalmic disease ultrasonic image diagnosis system.
Background
At present, the ultrasonic sector scanning probe for diagnosing ophthalmic diseases in domestic clinic is designed by the inventor in 2004 and 2012, has patent names of a mechanical sector scanning probe of an ophthalmic B-type ultrasonic diagnostic apparatus and a novel ophthalmic ultrasonic sector scanning probe, and has patent authorization numbers of ZL200420085689.4 and ZL201220465358.8 respectively, after a driving motor is found to be in fault or the motor is disconnected in long-term clinical application, production assembly and maintenance, due to the integrated structural design of a scanning transmission mechanism and the driving motor, the motor cannot be disassembled and replaced or replaced by other motors, so that the whole probe is scrapped once the motor is damaged, the burden is increased for a user, the risk is brought for production, and resources are wasted; secondly, due to the integrated structural design, the technical difficulty in the probe assembling process is very high, the technical level of a bench worker has certain height requirements, the labor and the time are wasted, the product performance is different, and the production requirements are difficult to meet and the product standard consistency is ensured; thirdly, the quality of the whole probe part is difficult to control because the driving motor is purchased from outside, according to a motor manufacturer, the product qualification rate of the miniature stepping motor is only 60 percent from a production line, a single motor is difficult to judge that 100 percent of the miniature stepping motor is qualified before being assembled into a system, and once the miniature stepping motor is assembled into a probe, if an image is distorted, the whole probe faces the risk of scrapping; the core components of safety, accuracy and effectiveness of the ophthalmic diagnostic equipment play a critical role.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a split type ophthalmological ultrasonic mechanical sector scanning probe which has long service life and simple structure and can replace a motor.
The technical scheme adopted by the invention is as follows: the utility model provides a fan-shaped scanning probe of split type ophthalmology supersound machinery, including the overcoat, the head end mouth of overcoat is provided with the sound-transparent window, the tail end of overcoat is provided with back lid and the inlaid connection cover wire sheath that is used for running through control cable who covers the tail end after, the inside of overcoat is divided into preceding, back two parts through intermediate connection mechanism, and the front portion is divided into the scanning mechanism that can carry out fan-shaped scanning, and the rear portion is divided into and carries out driven actuating mechanism to scanning mechanism, actuating mechanism connect through intermediate connection mechanism scanning mechanism come to carry out fan-shaped scanning to the eye.
The split type ophthalmic ultrasonic mechanical sector scanning probe can be matched with circular or annular array ultrasonic transducers with different frequencies, has a specific effect on ophthalmic disease diagnosis, has wide application to human or animal soft tissue disease diagnosis or detection, can select an obtained scanning angle from less than or equal to 15 degrees to 120 degrees, has the advantages of small noise, strong anti-interference capability, safety, effectiveness, long service life, simple structure, simple probe assembly process, labor and time conservation, motor replacement, convenience in maintenance and the like, and can be matched with ultrasonic scanners with different applications to be used for clinical diagnosis or detection of soft tissues such as animals and the like.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a split ophthalmic ultrasound mechanical sector scanning probe according to the present invention;
fig. 2 is a top view of a positive displacement coupling of the present invention.
In the drawings
1: a main body 2: ultrasonic transducer
3: the medium bin 4: sound-transmitting window
5: the transducer mount 6: shaft with driven gear
7: and (4) sealing sleeve 8: conical driven gear
9: the conical driving gear 10: spacer sleeve
11: first screw 12: main shaft
13: limiting type coupler 14: first set screw
15: second screw 16: third set screw
17: the outer sleeve 18: back cover
19: the wire sheath 20: screw nail
21: line card 22: circuit board support
23: the motor 24: intermediate connector
25: limiting block 26: second sealing washer
27: front bearing 28: oil filler hole
29: cylindrical pin 30: bearing assembly
31: first sealing gasket 32: circuit board
33: the boss 34: rear bearing
35: through-hole 36: drive shaft
37: second set screw 38: semicircular circuit board
39: the screw 40: wire through hole
41: the limit groove 42: and a coupling through hole.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
The invention relates to a split type ophthalmological ultrasonic mechanical sector scanning probe, which is structurally divided into a front section and a rear section which are independent, wherein the front section is composed of an ultrasonic transducer, an energy transducer seat, a toothed shaft, a conical driven gear, a bearing and main body, a main shaft, a conical driving gear, a cylindrical pin, a sealing washer, a front bearing, a rear bearing, a spacer bush, a limiting type coupling, a middle connecting body, a limiting block, an acoustic window, a sealing sleeve and the like (namely, the front section of the probe is formed); the rear section part consists of a driving motor, a circuit board support, a circuit board, a semicircular circuit board, a screw, a set screw, a line card and the like (namely, the rear section of the probe is formed). When the forward shaft of the driving motor of the rear section of the probe is inserted into the coupling hole of the front section of the probe, the forward shaft is tightly fixed, so that a complete movement of the ophthalmic mechanical sector scanning probe is formed, and the probe can be electrified to work normally.
As shown in fig. 1, the split type ophthalmic ultrasonic mechanical sector scanning probe of the present invention comprises an outer sleeve 17, wherein a sound transmission window 4 is arranged at a head end opening of the outer sleeve 17, a rear cover 18 and a wire sheath 19 which is embedded and connected with the rear end of the rear cover 18 and is used for passing through a control cable are arranged at the rear end of the outer sleeve 17, the interior of the outer sleeve 17 is divided into a front part and a rear part by an intermediate connection mechanism, the front part is a scanning mechanism capable of performing sector scanning, the rear part is a driving mechanism for driving the scanning mechanism, and the driving mechanism is connected with the scanning mechanism by the intermediate connection mechanism to perform sector scanning on an eye.
The scanning mechanism comprises a main body 1 which is through from front to back, a circle of boss 33 is formed on the outer side of a rear port of the main body 1, a sealing sleeve 7 is sleeved on the outer side of the main body 1, the sealing sleeve 7 is in sealing connection with the main body 1, the rear end of the sealing sleeve 7 is sleeved on the boss 33 top of the rear port of the main body 1, the main body 1 sleeved with the sealing sleeve 7 is integrally installed in a sleeve 17, a driven gear 6 is arranged on the front end in the main body 1 along the radial direction through a pair of bearings 30 which are symmetrically connected on the side wall, a transducer seat 5 is fixedly connected on one side of the shaft body of the driven gear 6 corresponding to an acoustic window 4, an ultrasonic transducer 2 is installed on the transducer seat 5, a conical driven gear 8 is fixedly arranged at one end of the driven gear 6, the rear end of the main body 1 is fixedly connected with the middle connecting mechanism through a first screw 11, and a bearing, a main shaft 12 penetrates through the bearing mechanism from front to back, the front end of the main shaft 12 is connected with a conical driving gear 9 meshed with the conical driven gear 8 through a cylindrical pin 29, and the modulus of each of the conical driving gear 9 and the conical driven gear 8 is 0.4; the conical driving gear 9 has 20 teeth, the conical driven gear 8 has 24 teeth, and the transmission ratio Z1/Z2 is 20/24 is 0.8333. The rear end of the main shaft 12 is connected with the driving mechanism through an intermediate connecting mechanism, the space in the front part of the main body 1, the space in the front part of the sealing sleeve 7 and the sound-transmitting window 4 jointly form a medium cabin 3, and an oil filling hole 28 for filling liquid into the medium cabin 3 is formed in the side wall of the main body 1. A first sealing washer 31 for preventing the leakage of the injected liquid is arranged at the lower end of the conical driving gear 9 in the main body 1, and the first sealing washer 31 is sleeved on the main shaft 12.
The bearing mechanism comprises a front bearing 27, a rear bearing 34 and a spacer sleeve 10 arranged between the front bearing 27 and the rear bearing 34, wherein a second sealing washer 26 which is positioned at the inner side of the rear port of the main body 1 and used for positioning the bearing mechanism and preventing injected liquid from leaking and playing a sealing role is arranged at the rear end of the rear bearing 34, and the second sealing washer 26 is sleeved on the main shaft 12 and is bonded with the rear port step of the main body 1 and then is further compacted by the end face of an intermediate connecting body.
The sound transmission window 4 is of a barrel-shaped structure, the opening end of the barrel-shaped structure is sleeved on the opening at the front end of the sealing sleeve 7, and the sound transmission window 4, the sealing sleeve 7 and the main body 1 are integrally placed in the outer sleeve 17. The sealed end of the barrel-shaped structure plays a role in sealing and sound transmission. The radian of the sealing end of the sound-transmitting window 4 is R33, the height is less than or equal to 10mm, the inner diameter is 18.4mm, and the outer diameter is 18.8 mm.
The sound-transmitting window 4 has two functions, one is a window for transmitting ultrasonic waves, the front end face of the sound-transmitting window is directly contacted with eyelids of human eyes, so that the ultrasonic waves emitted by the ultrasonic transducer enter the eyes through the sound-transmitting window, and echoes reflected from eye tissues enter the ultrasonic transducer through the sound-transmitting window to be received and transmitted to an instrument system; and the other is sealing function, so that the sound conduction medium in the medium bin is prevented from leaking outwards.
The ultrasonic transducer 2 is a high-frequency receiving/transmitting single-wafer circular broadband ultrasonic transducer, the ultrasonic frequency of the ultrasonic transducer ranges from 10MHZ to 80MHZ, three types of 10MHZ, 20MHZ and 30MHZ are respectively designed, and B-type images with different resolutions can be obtained as long as the ultrasonic transducers with different frequencies are more exchanged so as to meet different requirements.
The intermediate connection mechanism comprises an intermediate connection body 24, the intermediate connection body 24 is arranged in the outer sleeve 17, the central axis of the intermediate connection body 24 is heavier than the diameter of the outer sleeve 17, two symmetrical through holes 35 are formed on the side wall of the intermediate connection body 24 corresponding to the head end and the tail end of the outer sleeve 17, the port of the opening end of the intermediate connection body 24 is fixedly connected with the main body 1 of the scanning mechanism through a first screw 11 and is fixedly connected with the motor 23 of the driving mechanism through a second screw 15, a limit type coupling 13 is arranged in the intermediate connection body 24, a coupling through hole 42 is formed in the limit type coupling 13 along the central axis, the tail end of the main shaft 12 in the scanning mechanism penetrates through one through hole 35 on the side wall of the intermediate connection body 24 and is inserted into the through hole coupling 42 of the limit type coupling 13 from the upper part, and is fixedly connected with the limit type coupling 13 through a first set screw 14, a driving shaft 36 of a motor 23 in the driving mechanism penetrates through another through hole 35 on the side wall of the intermediate connecting body 24, is inserted into a coupling through hole 42 of the limit type coupling 13 from the lower part, and is fixedly connected with the limit type coupling 13 through a second set screw 37.
The motor 23, which functions to provide power for normal scanning of the ultrasound transducer 2, may be a stepper motor or other servo motor. The driving shaft of the motor 23 is connected with the main shaft 12 through the limiting coupler 13 to drive the conical driving gear 9 on the main shaft 12 to rotate in a reciprocating manner, and the conical driving gear 9 is meshed with the conical driven gear 8, so that the ultrasonic transducer 2 on the driven gear shaft 6 is driven to realize swinging scanning.
The limiting type coupler 13 is located one side of the sealing end of the intermediate connector 24 is axially formed with a limiting groove 41 smaller than 80 degrees, a limiting block 25 is arranged in the sealing side of the intermediate connector 24, the limiting block 25 corresponds to the side of the limiting type coupler 13 and is located in the limiting groove 41 of the limiting type coupler 13 and used for limiting step-out deviation which possibly occurs when the motor 23 rotates in a reciprocating mode. That is, when the motor 23 drives the limiting type coupler 13 to rotate in one direction and step-out deviation occurs, that is, the rotation angle is about to be greater than 80 degrees, the groove wall of the limiting groove 41 on the limiting type coupler 13 will touch the limiting block 25 located in the groove, and the limiting block 25 is fixed, so that the limiting type coupler 13 is blocked from continuing to rotate in one direction, and further, the motor is limited from continuing to rotate in one direction.
The driving mechanism comprises an inverted L-shaped circuit board support 22, a circuit board 32 connected to one side of the vertical part of the circuit board support 22 and a semicircular circuit board 38 located at the horizontal part of the circuit board support 22 and attached to the rear end face of the motor 23, the motor 23 is arranged on the upper end face of the horizontal part of the circuit board support 22, the motor 23, the circuit board support 22 and the semicircular circuit board 38 are fixedly connected with each other through a third set screw 16, and a line card 21 used for drawing a control cable is arranged at the lower part of the vertical part of the circuit board support 22 through a screw 20. The electric control cable is connected to the circuit board to execute input/output, and when the driving motor of the probe rear section is electrified to work, the whole split type ophthalmic ultrasonic mechanical sector scanning probe enters a normal working state.
The line card 21 has a protection function to prevent the input/output signal lines connected to the circuit board from being broken under the condition that the control cable is frequently pulled or pulled, so that the line card 21 is mounted at the rear part of the circuit board support 22 to fix the outer diameter of the control cable by the line card 21, and the cable is not easy to damage. The wire sheath 19 has the function of protecting the scanning probe connecting cable from being easily broken at the root of the probe, and preventing the cable from being damaged.
According to the split type ophthalmological ultrasonic mechanical sector scanning probe, when the motor 23 fails and the motor 23 needs to be replaced, the rear cover 18 is opened firstly, and the whole movement which is positioned in the outer sleeve 17 and is formed by the mutually connected components is taken out of the outer sleeve 17. Then the second set screw 37 in the core is unscrewed to separate the driving shaft 36 of the motor 23 from the limit type coupling 13, and then the second set screw 15 and the third set screw 16 are respectively unscrewed, so that the fault motor can be taken down from the core, a new motor is replaced, the upper end and the lower end of the new motor are respectively fixed on the middle connecting body 24 and the semicircular circuit board 38 through the second set screw 15 and the third set screw 16, the driving shaft 36 of the new motor is simultaneously inserted into the shaft hole of the limit type coupling 13, and the driving shaft 36 is fixedly connected with the limit type coupling 13 through the second set screw 37. Then the whole core with the replaced motor is arranged in the outer sleeve 17, and the rear cover 18 is fixedly connected with the outer sleeve 17.
Claims (8)
1. The utility model provides a fan-shaped scanning probe of split type ophthalmology supersound machinery, has overcoat (17), the head end mouth of overcoat (17) is provided with sound-transparent window (4), the tail end of overcoat (17) is provided with back lid (18) and inlaid and is connected in back lid (18) tail end be used for running through control cable protect line cover (19), its characterized in that, the inside core of overcoat (17) can be followed overcoat (17) and taken out to divide into preceding, back two parts of detachable through intermediate connection mechanism, the anterior scanning mechanism that can carry out fan-shaped scanning that divide into, the rear portion divide into and carry out driven actuating mechanism to scanning mechanism, actuating mechanism connect through intermediate connection mechanism scanning mechanism come to carry out fan-shaped scanning to the eye, intermediate connection mechanism including intermediate connector (24), intermediate connector (24) set up in overcoat (17), the central axis of the intermediate connecting body (24) is heavier than the diameter of the outer sleeve (17), two symmetrical through holes (35) are formed at the head end and the tail end of the outer sleeve (17) corresponding to the side wall of the intermediate connecting body (24), the port of the opening end of the intermediate connecting body (24) is fixedly connected with the main body (1) of the scanning mechanism through a first screw (11) and is fixedly connected with the motor (23) of the driving mechanism through a second screw (15), a limit type coupler (13) is arranged in the intermediate connecting body (24), a coupler through hole (42) is formed in the limit type coupler (13) along the central axis, the tail end of a main shaft (12) in the scanning mechanism penetrates through one through hole (35) in the side wall of the intermediate connecting body (24) and is inserted into the coupler through hole (42) of the limit type coupler (13) from the upper part, and is fixedly connected with the limit type coupling (13) through a first set screw (14), a driving shaft (36) of a motor (23) in a driving mechanism penetrates through the other through hole (35) on the side wall of the intermediate connecting body (24) and is inserted into a coupling through hole (42) of the limit type coupling (13) from the lower part, and is fixedly connected with the limit type coupling (13) through a second set screw (37), a limit groove (41) with the angle less than 80 degrees is formed on one side of the limit type coupling (13) positioned at the sealing end of the intermediate connecting body (24) along the axial direction, intermediate junction body (24) seal and are provided with stopper (25) in the side, stopper (25) correspond that one side of spacing formula shaft coupling (13) is located in spacing groove (41) of spacing formula shaft coupling (13), be used for the restriction the step-out skew that appears when motor (23) reciprocating rotation.
2. The split type ophthalmological ultrasonic mechanical sector scanning probe according to claim 1, wherein the scanning mechanism comprises a main body (1) which is through from front to back, a circle of boss (33) is formed at the outer side of the rear port of the main body (1), a sealing sleeve (7) is sleeved at the outer side of the main body (1), the sealing sleeve (7) is hermetically connected with the main body (1), the rear end of the sealing sleeve (7) is sleeved on the upper end of the boss (33) at the rear port of the main body (1), the main body (1) sleeved with the sealing sleeve (7) is integrally installed in the outer sleeve (17), a driven gear shaft (6) is radially arranged at the front end in the main body (1) through a pair of bearings (30) symmetrically connected on the side wall, and an energy converter seat (5) is fixedly connected to one side of the driven gear shaft (6) corresponding to the sound transmission window (4), an ultrasonic transducer (2) is arranged on the transducer seat (5), a conical driven gear (8) is fixedly arranged at one end of the driven gear shaft (6), the rear end of the main body (1) is fixedly connected with the middle connecting mechanism through a first screw (11), a bearing mechanism is arranged at the rear part in the main body (1), a main shaft (12) penetrates through the bearing mechanism from front to back, a conical driving gear (9) meshed with the conical driven gear (8) is connected to the front end of the main shaft (12) through a cylindrical pin (29), the rear end of the main shaft (12) is connected with the driving mechanism through an intermediate connecting mechanism, the space in the front part of the main body (1), the space in the front part of the sealing sleeve (7) and the sound-transmitting window (4) form a medium bin (3), an oil filling hole (28) for filling liquid into the medium bin (3) is formed in the side wall of the main body (1).
3. The split ophthalmic ultrasound mechanical sector scanning probe according to claim 2, wherein a first sealing washer (31) for preventing leakage of the injected liquid is provided in the main body (1) at the lower end of the conical driving gear (9), and the first sealing washer (31) is sleeved on the main shaft (12).
4. The split type ophthalmological ultrasonic mechanical sector scanning probe according to claim 2, wherein the bearing mechanism comprises a front bearing (27) and a rear bearing (34), and a spacer (10) disposed between the front bearing (27) and the rear bearing (34), a second sealing washer (26) disposed at the inner side of the rear port of the main body (1) for positioning the bearing mechanism for sealing is disposed at the rear end of the rear bearing (34), and the second sealing washer (26) is sleeved on the main shaft (12).
5. The split type ophthalmic ultrasonic mechanical sector scanning probe according to claim 2, wherein the acoustic window (4) is a barrel-shaped structure, the open end of the barrel-shaped structure is sleeved on the opening at the front end of the sealing sleeve (7), and the acoustic window (4), the sealing sleeve (7) and the main body (1) are integrally placed in the outer sleeve (17).
6. The split type ophthalmological ultrasonic mechanical sector scanning probe according to claim 5, wherein the radian of the sealed end of the acoustic window (4) is R33, the height is less than or equal to 10mm, the inner diameter is 18.4mm, and the outer diameter is 18.8 mm.
7. The split ophthalmic ultrasound mechanical sector scanning probe according to claim 2, wherein the modulus of the conical driving gear (9) and the conical driven gear (8) are both 0.4; the conical driving gear (9) is 20 teeth, the conical driven gear (8) is 24 teeth, and the transmission ratio Z1/Z2 is 20/24 is 0.8333.
8. The split type ophthalmic ultrasonic mechanical sector scanning probe according to claim 1, wherein the driving mechanism comprises an inverted L-shaped circuit board support (22), a circuit board (32) connected to one side of the vertical portion of the circuit board support (22), and a semicircular circuit board (38) located at the horizontal portion of the circuit board support (22) and attached to the rear end surface of the motor (23), the motor (23) is disposed on the upper end surface of the horizontal portion of the circuit board support (22), the motor (23), the circuit board support (22), and the semicircular circuit board (38) are fixedly connected to each other by a third set screw (16), and the lower portion of the vertical portion of the circuit board support (22) is provided with a line card (21) for collecting control cables by a screw (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403673.1A CN112790793B (en) | 2021-04-15 | 2021-04-15 | Split type ophthalmology ultrasonic mechanical sector scanning probe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403673.1A CN112790793B (en) | 2021-04-15 | 2021-04-15 | Split type ophthalmology ultrasonic mechanical sector scanning probe |
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| CN112790793B true CN112790793B (en) | 2021-06-29 |
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| CN115089210B (en) * | 2022-08-24 | 2022-11-08 | 天津迈达医学科技股份有限公司 | Mechanical three-dimensional ultrasonic probe for separately measuring body fluid volume |
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| DK176387B1 (en) * | 1998-01-07 | 2007-10-22 | Bk Medical Aps | Apparatus for insertion into the human body |
| US20060058654A1 (en) * | 2004-08-24 | 2006-03-16 | Gerois Di Marco | System and method for providing a user interface for an ultrasound system |
| US20160317131A1 (en) * | 2015-04-29 | 2016-11-03 | Siemens Medical Solutions Usa, Inc. | Medical diagnostic imaging ultrasound probe battery pack radio |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3202822A1 (en) * | 1981-02-09 | 1982-08-19 | Yokogawa Electric Works, Ltd., Musashino, Tokyo | ULTRASONIC PROBE FOR ACUPUNCTURE TREATMENT |
| EP0420758A1 (en) * | 1989-09-29 | 1991-04-03 | Terumo Kabushiki Kaisha | Ultrasonic coupler and method for production thereof |
| CN102640012A (en) * | 2009-09-30 | 2012-08-15 | 垓技术公司 | Ultrasound 3D imaging system |
| CN202740028U (en) * | 2012-09-12 | 2013-02-20 | 天津迈达医学科技有限公司 | Novel ultrasonic sector scanning probe for ophthalmology |
| CN103654852A (en) * | 2012-09-25 | 2014-03-26 | 精工爱普生株式会社 | Integrated circuit apparatus, ultrasound measuring apparatus and ultrasound diagnosis apparatus |
| CN103815931A (en) * | 2014-03-13 | 2014-05-28 | 天津迈达医学科技股份有限公司 | Ophthalmology 3D (three-dimensional) mechanical sector scanning ultrasonic probe |
| CN205107747U (en) * | 2015-10-30 | 2016-03-30 | 天津迈达医学科技股份有限公司 | Little A -mode ultrasonic scanning probe of monocrystal |
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| CN112790793A (en) | 2021-05-14 |
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