CN205107747U - Little A -mode ultrasonic scanning probe of monocrystal - Google Patents
Little A -mode ultrasonic scanning probe of monocrystal Download PDFInfo
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- CN205107747U CN205107747U CN201520858292.2U CN201520858292U CN205107747U CN 205107747 U CN205107747 U CN 205107747U CN 201520858292 U CN201520858292 U CN 201520858292U CN 205107747 U CN205107747 U CN 205107747U
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Abstract
The utility model provides a little A -mode ultrasonic scanning probe of monocrystal, including main overcoat, set gradually the motor in main overcoat after to by preceding, back seat and circuit board, the cover of installing port before main overcoat through the gland has the front stall of preceding overcoat, install sound window that front stall front end mouth constitutes the medium storehouse with set up the crystal in the medium storehouse, the motor is provided with the axle that protracts and stretches the axle after with, a crystal is connected through a set of drive mechanism to the axle that protracts for driving the crystal is reciprocal rotatory, after stretch the hub connection and be used for stretching after through in the back seat spacing round of setting that the axle injectd a rotation angle that protracts, preceding the terminal surface diameter <= 10mm of sound window, elongation <= 100mm before the preceding overcoat 28, and the external diameter <= 10mm of preceding overcoat 28, scanning angle >= 53 degrees. The utility model discloses conveniently when ascertaining get into human each position, can effectively get involved art mesocrany endomeninx and ascertain, can be according to clinical demand, select the probe of different frequency, can conveniently know the scanning position through the anterior scale of probe overcoat.
Description
Technical field
This utility model 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 in the utility model 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 scheme that this utility model adopts 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 utility model, 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 utility model.
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 utility model is described in detail.
As shown in Figure 1, a kind of monocrystal miniature ultrasonic scanheads of the present utility model, 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 |
|---|---|---|---|
| CN201520858292.2U CN205107747U (en) | 2015-10-30 | 2015-10-30 | Little A -mode ultrasonic scanning probe of monocrystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858292.2U CN205107747U (en) | 2015-10-30 | 2015-10-30 | Little A -mode ultrasonic scanning probe of monocrystal |
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| Publication Number | Publication Date |
|---|---|
| CN205107747U true CN205107747U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858292.2U Active CN205107747U (en) | 2015-10-30 | 2015-10-30 | Little A -mode ultrasonic scanning probe of monocrystal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167804A (en) * | 2015-10-30 | 2015-12-23 | 天津迈达医学科技股份有限公司 | Monocrystal miniature ultrasonic scan probe |
| CN112790793A (en) * | 2021-04-15 | 2021-05-14 | 天津迈达医学科技股份有限公司 | Split type ophthalmology ultrasonic mechanical sector scanning probe |
-
2015
- 2015-10-30 CN CN201520858292.2U patent/CN205107747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167804A (en) * | 2015-10-30 | 2015-12-23 | 天津迈达医学科技股份有限公司 | Monocrystal miniature ultrasonic scan probe |
| CN112790793A (en) * | 2021-04-15 | 2021-05-14 | 天津迈达医学科技股份有限公司 | Split type ophthalmology ultrasonic mechanical sector scanning probe |
| 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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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |