CN105167804A - Monocrystal miniature ultrasonic scan probe - Google Patents
Monocrystal miniature ultrasonic scan probe Download PDFInfo
- Publication number
- CN105167804A CN105167804A CN201510732128.1A CN201510732128A CN105167804A CN 105167804 A CN105167804 A CN 105167804A CN 201510732128 A CN201510732128 A CN 201510732128A CN 105167804 A CN105167804 A CN 105167804A
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- China
- Prior art keywords
- axle
- monocrystal
- crystal
- miniature ultrasonic
- overcoat
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Abstract
A monocrystal miniature ultrasonic scan probe comprises a main sheath, a motor, a rear seat, a circuit board, a front seat mounted at the front port of the main sheath via a press cover and sleeved with a front sheath, an acoustic window mounted to the front port of the front seat and forming a medium bin, and a crystal arranged in the medium bin. The motor, the rear seat and the circuit board are arranged in the main sheath front the front to the back in order. The motor is provided with a front stretching shaft and a rear stretching shaft, the front stretching shaft is used for driving the crystal to rotate in reciprocation and connected to the crystal via a group of transmission mechanism, and the rear stretching shaft is connected to a limit wheel used for limiting the rotational angle of the front stretching shaft via the rear stretching shaft. The diameter of the front end face of the acoustic window is less than or equal to 10 mm, the front sheath (28) can stretch forwards, the stretching length is less than or equal to 100 mm, the external diameter of the front sheath (28) is less than or equal to 10 mm, and the scanning angle is greater than or equal to 53 degrees. The monocrystal miniature ultrasonic scan probe can conveniently stretch into various portions of the human body during detection, can effectively intervene in intracranial meninges to detect during operation, probes being different in frequencies can be chosen according to clinical demands, the scanning direction can be conveniently known via the scale at the front portion of the sheath of the probe.
Description
Technical field
The present invention relates to a kind of scanheads.Particularly relate to the monocrystal miniature ultrasonic scanheads in a kind of ultrasonic imaging diagnosis system being applied to ophthalmology, department of dermatologry and Nao Xi section.
Background technology
At present, the domestic clinical ultrasound probe for ophthalmology, cutaneous diseases diagnosis is because of its front end sound window area partly comparatively large (about 400 square millimeters), be unfavorable for detecting of human body privileged sites, limit diagnostic uses (as intracranial is detected, eye-chamber angle is detected, detect in oral cavity and point, toe fork between detect), applicant is once respectively in 2004, 2007, design and an application multinomial patent between 2012, wherein " mechanical sector scanning probe of ophthalic B type ultrasonic diagnostic instrument, license ZL200420085689.4 ", " ultrasonic biological microscope scan probe, license ZL200720095331.3 ", " the ultrasonic sector scanning probe of novel ophthalmology, license ZL201220465358.8 " and " skin ultrasonic imaging diagnosis scanheads, license ZL201210337600.8 " etc. the front end sound window of ultrasound probe be all unfavorable for detecting of some privileged sites of human body, limit the extensive use of ultrasonic technique, have impact on medical diagnosis on disease.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and can be used in detecting of human body privileged sites, expands the monocrystal miniature ultrasonic scanheads of diagnostic uses.
The technical solution adopted in the present invention is: a kind of monocrystal miniature ultrasonic scanheads, include main overcoat, be successively set on the motor in main overcoat from front to back, back seat and circuit board, the cover being arranged on main overcoat front port by gland has the front stall of front overcoat, be arranged on the sound window that front stall front port forms medium storehouse and the crystal be arranged in medium storehouse, described motor be provided with protract axle and after stretch axle, described crystal is connected by one group of drive mechanism for driving the axle that protracts of described crystal reciprocating rotary, stretch after described axle connect for by after stretch axle to limit the position-limited wheel be arranged in back seat of the axle anglec of rotation of protracting, front end face diameter≤the 10mm of described sound window, elongation≤100mm before described front overcoat 28, and the external diameter≤10mm of front overcoat 28, scanning angle >=53 degree.
Described drive mechanism includes the driving gear be connected with the described axle that protracts by pin, the driven gear engaged with described driving gear, described driven gear is fixedly connected with axle, described axle is arranged in front stall by being fixed on the axle sleeve in front stall front port along the radial direction of front stall, described axle is provided with the crystal bearing for fixed crystal, wherein, described driving gear and the modulus of driven gear are 0.3.
The number of teeth of described driving gear is 15, and the number of teeth of driven gear is 18, and the gear ratio of described driving gear and driven gear is 0.8333.
The effective scanning angle of described crystal is 53 degree, and frequency is 3MHz-80MHz.
The external form of described crystal is column type, and cylinder face area is 15.2 square millimeters, and cylinder is high 4 millimeters, and cylindrical volume is 61 cubic millimeters.
The described axle that protracts is position by being embedded in the pressure ring, the first sealing ring, ring washer and the second sealing ring that also mutually compress in front stall from front to back successively in front stall inside, the described axle that protracts is by being embedded in the 3rd sealing ring in front stall rear port from front to back successively and stifled post positions at front stall rear port, wherein, the lining for compressing the second sealing ring is provided with between described second sealing ring and the 3rd sealing ring.
The periphery of described position-limited wheel has 60 degree of breach, described back seat is provided with the link stopper for being limited the position-limited wheel anglec of rotation by 60 degree of breach of position-limited wheel periphery.
The sidewall of described front stall has oil filler point, and described outer putting has through hole with described oil filler point corresponding section.
The periphery of described main overcoat front port is provided with the scale conveniently can knowing scan position.
A kind of monocrystal miniature ultrasonic scanheads of the present invention, has following features:
1., due to the probe sound window area of plane≤80 square millimeter, front end, when detecting, conveniently enter partes corporis humani position;
2. can effectively detect by interventional procedure mesocrany endomeninx;
3. according to clinical demand, the probe of different frequency can be selected;
4. probe is little, lightweight, flexible operation, and scan vision is large;
5. conveniently can know scan position by the scale of probe overcoat front portion.
Accompanying drawing explanation
Fig. 1 is monocrystal miniature ultrasonic scanheads structural representation of the present invention.
In figure
1: sound window 2: crystal
3: medium storehouse 4: driven gear
5: pin 6: front stall
7: the first sealing rings 8: ring washer
9: lining 10: screw
11: the second sealing ring 12: the three sealing rings
13: motor 14: after stretch axle
15: screw 16: link stopper
17: back seat 18: main overcoat
19: circuit board 20: wire hole
21: motor plate hold-down screw 22: screw
23: position-limited wheel 24: stifled post
25: protract axle 26: screw
27: gland 28: front overcoat
29: pressure ring 30: oil filler point
31: driving gear 32: axle
33: axle sleeve 34: crystal bearing
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, a kind of monocrystal miniature ultrasonic scanheads of the present invention is described in detail.
As shown in Figure 1, a kind of monocrystal miniature ultrasonic scanheads of the present invention, include main overcoat 18, be successively set on the motor 13 in main overcoat 18, back seat 17 and circuit board 19 from front to back, connect wire to be drawn by wire hole, the cover being arranged on main overcoat 18 front port by gland 27 has the front stall 6 of front overcoat 28, is arranged on the sound window 1 that front stall 6 front port forms medium storehouse 3 and the crystal 2 be arranged in medium storehouse 3.The periphery of described main overcoat 18 front port is provided with the scale conveniently can knowing scan position.The external form of described crystal 2 is column type, and cylinder face area is 15.2 square millimeters, and cylinder is high 4 millimeters, and cylindrical volume is 61 cubic millimeters.The effective scanning angle of described crystal 2 is 53 degree, and frequency is 3MHz-80MHz.Described motor 13 be provided with protract axle 25 and after stretch axle 14, described crystal 2 is connected by one group of drive mechanism for driving the axle 25 that protracts of described crystal 2 reciprocating rotary, stretch after described axle 14 connect for by after stretch the position-limited wheel 23 be arranged in back seat 17 that axle 14 limits axle 25 anglec of rotation of protracting, the periphery of described position-limited wheel 23 has 60 degree of breach, described back seat 17 is provided with the link stopper 16 for being limited position-limited wheel 23 anglec of rotation by 60 degree of breach of position-limited wheel 23 periphery.Front end face diameter≤the 10mm of described sound window 1, elongation≤100mm before described front overcoat 28, and the external diameter≤10mm of front overcoat 28, probe bare machine weight≤45g, scanning angle >=53 degree.
Described drive mechanism includes the driving gear 31 be connected with the described axle 25 that protracts by pin 5, the driven gear 4 engaged with described driving gear 31, described driven gear 4 is fixedly connected with axle 32, described axle 32 is arranged in front stall 6 by being fixed on the axle sleeve 33 in front stall 6 front port along the radial direction of front stall 6, motor protracts axle 25 when driving driving gear 31 reciprocating rotary, driven gear 4 makes the synchronous axial system in radial direction with moving axis 32, described axle 32 is provided with the crystal bearing 34 for fixed crystal 2, crystal 2 is fixed on crystal bearing 34, thus realize crystal 2 along with the axle 32 that driven gear 4 drives and do the sector scanning of back and forth positive and negative 27 degree.Wherein, described driving gear 31 is 0.3 with the modulus of driven gear 4.The number of teeth of described driving gear 31 is 15, and the number of teeth of driven gear 4 is 18, and described driving gear 31 is 0.8333 with the gear ratio of driven gear 4, makes the effective scanning angle of crystal be 53 degree.
The described axle 25 that protracts is by be embedded in successively from front to back in front stall 6 and pressure ring 29, first sealing ring 7, ring washer 8 and the second sealing ring 11 that mutually compress position in front stall 6 inside, the described axle 25 that protracts is by being embedded in the 3rd sealing ring 12 in front stall 6 rear port from front to back successively and stifled post 24 positions at front stall 6 rear port, wherein, the lining 9 for compressing the second sealing ring 11 is provided with between described second sealing ring 11 and the 3rd sealing ring 12.
The sidewall of described front stall 6 has oil filler point 30, described overcoat 28 has through hole with described oil filler point 30 corresponding section.
Claims (9)
1. a monocrystal miniature ultrasonic scanheads, include main overcoat (18), be successively set on the motor (13) in main overcoat (18) from front to back, back seat (17) and circuit board (19), the cover being arranged on main overcoat (18) front port by gland (27) has the front stall (6) of front overcoat (28), be arranged on the sound window (1) that front stall (6) front port forms medium storehouse (3) and the crystal (2) be arranged in medium storehouse (3), it is characterized in that, described motor (13) be provided with the axle that protracts (25) and after stretch axle (14), described crystal (2) is connected by one group of drive mechanism for driving the axle that protracts (25) of described crystal (2) reciprocating rotary, stretch after described axle (14) connect be used for by after stretch the position-limited wheel (23) be arranged in back seat (17) that axle (14) limits the axle that protracts (25) anglec of rotation, front end face diameter≤the 10mm of described sound window (1), elongation≤100mm before described front overcoat 28, and the external diameter≤10mm of front overcoat 28, scanning angle >=53 degree.
2. a kind of monocrystal miniature ultrasonic scanheads according to claim 1, it is characterized in that, described drive mechanism includes the driving gear (31) be connected with the described axle that protracts (25) by pin (5), the driven gear (4) engaged with described driving gear (31), described driven gear (4) is fixedly connected with axle (32), described axle (32) is arranged in front stall (6) by being fixed on the axle sleeve (33) in front stall (6) front port along the radial direction of front stall (6), described axle (32) is provided with the crystal bearing (34) for fixed crystal (2), wherein, described driving gear (31) is 0.3 with the modulus of driven gear (4).
3. a kind of monocrystal miniature ultrasonic scanheads according to claim 2, it is characterized in that, the number of teeth of described driving gear (31) is 15, the number of teeth of driven gear (4) is 18, and described driving gear (31) is 0.8333 with the gear ratio of driven gear (4).
4. a kind of monocrystal miniature ultrasonic scanheads according to claim 1 and 2, is characterized in that, the effective scanning angle of described crystal (2) is 53 degree, and frequency is 3MHz-80MHz.
5. a kind of monocrystal miniature ultrasonic scanheads according to claim 2, is characterized in that, the external form of described crystal (2) is column type, and cylinder face area is 15.2 square millimeters, and cylinder is high 4 millimeters, and cylindrical volume is 61 cubic millimeters.
6. a kind of monocrystal miniature ultrasonic scanheads according to claim 1, it is characterized in that, the described axle that protracts (25) is by being embedded in successively from front to back in front stall (6) and the pressure ring (29) mutually compressed in front stall (6) inside, first sealing ring (7), ring washer (8) and the second sealing ring (11) position, the described axle that protracts (25) is by being embedded in the 3rd sealing ring (12) in front stall (6) rear port from front to back successively and stifled post (24) positions at front stall (6) rear port, wherein, the lining (9) for compressing the second sealing ring (11) is provided with between described second sealing ring (11) and the 3rd sealing ring (12).
7. a kind of monocrystal miniature ultrasonic scanheads according to claim 1, it is characterized in that, the periphery of described position-limited wheel (23) has 60 degree of breach, described back seat (17) is provided with the link stopper (16) for being limited position-limited wheel (23) anglec of rotation by 60 degree of breach of position-limited wheel (23) periphery.
8. a kind of monocrystal miniature ultrasonic scanheads according to claim 1, it is characterized in that, the sidewall of described front stall (6) has oil filler point (30), and described overcoat (28) above has through hole with described oil filler point (30) corresponding section.
9. a kind of monocrystal miniature ultrasonic scanheads according to claim 1, is characterized in that, the periphery of described main overcoat (18) front port is provided with the scale conveniently can knowing scan position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732128.1A CN105167804A (en) | 2015-10-30 | 2015-10-30 | Monocrystal miniature ultrasonic scan probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732128.1A CN105167804A (en) | 2015-10-30 | 2015-10-30 | Monocrystal miniature ultrasonic scan probe |
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| Publication Number | Publication Date |
|---|---|
| CN105167804A true CN105167804A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510732128.1A Pending CN105167804A (en) | 2015-10-30 | 2015-10-30 | Monocrystal miniature ultrasonic scan probe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877782A (en) * | 2016-06-27 | 2016-08-24 | 中国科学院苏州生物医学工程技术研究所 | Ultrasonic device |
| CN112971858A (en) * | 2021-04-23 | 2021-06-18 | 广东恒腾科技有限公司 | Medical ultrasonic probe multi-degree-of-freedom driving device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745511Y (en) * | 2004-11-30 | 2005-12-14 | 天津迈达医学科技有限公司 | Mechanical sector scanning probe of ophthalic B type ultrasonic diagnostic instrument |
| CN201005715Y (en) * | 2007-02-16 | 2008-01-16 | 天津迈达医学科技有限公司 | Ultrasonic biological microscope scan probe |
| CN102138809A (en) * | 2011-02-15 | 2011-08-03 | 福建师范大学 | Opto-acoustic scan imaging method and device for detecting prostate |
| CN102499719A (en) * | 2011-09-30 | 2012-06-20 | 汕头市超声仪器研究所有限公司 | Ultrasonic probe for endoscope |
| 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 |
| CN103222846A (en) * | 2007-01-19 | 2013-07-31 | 桑尼布鲁克健康科学中心 | Scanning mechanisms for imaging probe |
| CN203852376U (en) * | 2014-03-13 | 2014-10-01 | 天津迈达医学科技股份有限公司 | Ophthalmic three-dimensional mechanical sector scan 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 |
-
2015
- 2015-10-30 CN CN201510732128.1A patent/CN105167804A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745511Y (en) * | 2004-11-30 | 2005-12-14 | 天津迈达医学科技有限公司 | Mechanical sector scanning probe of ophthalic B type ultrasonic diagnostic instrument |
| CN103222846A (en) * | 2007-01-19 | 2013-07-31 | 桑尼布鲁克健康科学中心 | Scanning mechanisms for imaging probe |
| CN201005715Y (en) * | 2007-02-16 | 2008-01-16 | 天津迈达医学科技有限公司 | Ultrasonic biological microscope scan probe |
| CN102138809A (en) * | 2011-02-15 | 2011-08-03 | 福建师范大学 | Opto-acoustic scan imaging method and device for detecting prostate |
| CN102499719A (en) * | 2011-09-30 | 2012-06-20 | 汕头市超声仪器研究所有限公司 | Ultrasonic probe for endoscope |
| 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 |
| CN203852376U (en) * | 2014-03-13 | 2014-10-01 | 天津迈达医学科技股份有限公司 | Ophthalmic three-dimensional mechanical sector scan 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877782A (en) * | 2016-06-27 | 2016-08-24 | 中国科学院苏州生物医学工程技术研究所 | Ultrasonic device |
| CN112971858A (en) * | 2021-04-23 | 2021-06-18 | 广东恒腾科技有限公司 | Medical ultrasonic probe multi-degree-of-freedom driving device |
| CN112971858B (en) * | 2021-04-23 | 2021-07-27 | 广东恒腾科技有限公司 | Medical ultrasonic probe multi-degree-of-freedom driving device |
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Application publication date: 20151223 |