CN201005715Y - Ultrasonic biological microscope scan probe - Google Patents
Ultrasonic biological microscope scan probe Download PDFInfo
- Publication number
- CN201005715Y CN201005715Y CNU2007200953313U CN200720095331U CN201005715Y CN 201005715 Y CN201005715 Y CN 201005715Y CN U2007200953313 U CNU2007200953313 U CN U2007200953313U CN 200720095331 U CN200720095331 U CN 200720095331U CN 201005715 Y CN201005715 Y CN 201005715Y
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Abstract
The utility model discloses a scanning probe of ultrasonic biomicroscopes. The utility model is composed of an outer case and of an actuating mechanism, a cable-protective mechanism and a limiting mechanism which are all provided inside the outer case. The limiting mechanism can ensure a motor not to deviate from the scanning trace in random start. The wire-protective mechanism comprises a connecting block, a cable clamp and a cable-protective sleeve. The actuating mechanism is driven by a stepper motor with double extending shafts, and dives a rock tip installed on the revolving shaft of driven gears to deflect progressively by a mesh pair composed of two spur bevel gears. The ultrasonic sensor connected to the front end of the rock tip by a SMC connector is made to realize scanning. The utility model has the advantages of reasonable structure and reliable performance. The arrangement of a sleeve barrel composed of a main sleeve and a main seat equipped in the actuating mechanism and the arrangement of the SMC connector inlayed inside the inner slot equipped at the front end of the rock tip not only increase the assembling speed to make the meshing of the big and small spur bevel gears achieve the optimum efficiency, but also are convenient to replacement and maintenance of the ultrasonic sensor.
Description
Technical field
This utility model relates to a kind of Medical Instruments and industrial detection instrument, and more particularly, this utility model relates to a kind of ultrasound biomicroscopy UBM scanheads of ophthalmic.
Technical background
At present, the ophthalmology ultrasound biomicroscopy UBM scanheads that uses aspect medical diagnosis comprise the probe of the fan-shaped and linear scanning of the motor-driven machinery of Electromagnetic Drive and AC and DC, but there is following shortcoming respectively in they:
(1) scanheads of Electromagnetic Drive is subject to the influence of ambient temperature, usually causes the scanning angle change at random;
(2) linear scanning does not reach the wide scape indication range that requires clinically, thus the influence diagnosis;
(3) the motor-driven scanheads of AC and DC, noise is big, and is wayward, and complex structure, poor reliability.
In order to overcome the above problems, the research that the applicant once carried out this project in 2005, and declared utility model patent November in the same year, disclose a kind of easy control, scanning little, scanning angle accurate, influenced by ambient temperature is stable, sweep limits is big ophthalmology ultrasound biomicroscopy UBM scanheads, solved above-mentioned prior art problems preferably.The applicant finds that also there are the shortcomings and deficiencies that need overcome in this patented technology but in actual applications.Such as: the optimal engagement gap of large and small spur bevel gear wherein, in assembling process, be difficult to accurate assurance, the picture quality of probe when online experiment that causes assembling after finishing does not reach specification requirement, thus the economic loss that causes probe to scrap; On the other hand, directly be installed on the sonac of yaw front end, because the restriction of set-up mode is not easy to change and maintenance.
The utility model content
The purpose of this utility model, overcome the shortcomings and deficiencies of patent formerly exactly, thereby providing a kind of can keep that its original technical scheme scanning angle is stable, the scanning effect is accurate, sweep limits big, be easy to control, advantage such as little influenced by ambient temperature, possesses simultaneously again that assembly precision is good, the ultrasound biomicroscopy UBM scanheads of reliable working performance, the adjustment of being convenient to back lash between two gears, convenience for ultrasonic replacing sensor.
Ultrasound biomicroscopy UBM scanheads of the present utility model comprises overcoat and is arranged on described overcoat interior drive mechanism, line protection mechanism and position-limit mechanism;
Described drive mechanism, comprise the double extension shaft motor that is arranged on described overcoat middle part, the axle that protracts of described motor is provided with the straight-tooth cone pinion, described straight-tooth cone pinion constitutes Meshing Pair with the straight-tooth cone gear that is arranged on main body set upper side gyroaxis one end in the described overcoat, the two ends of described gyroaxis are fixed on the upper end of described main body cover by axle sleeve, before the middle part of described gyroaxis is provided with it, the rear end all has the yaw of groove, the groove of described yaw rear end and described gyroaxis axial plane agree with and the axis normal of its center line and described gyroaxis, the groove of described yaw front end is embedded in the SMC adapter, the front end of described SMC adapter is provided with sonac, the rear end of described SMC adapter connects high-frequency signal line, fastening waveform mouth latex sheath and the O RunddichtringO of being provided with of the lining front end between described sonac and the described overcoat;
Described main body is set on the front end of described main body base and forms the tube-in-tube structure of concentric-ring pattern with described main body base, and described main body base is fixed on the front end face of described motor by pin;
Described position-limit mechanism is by being arranged on the baffle ring stretched behind the described motor on the axle, constituting by described baffle ring and the fixed posting of back seat and the block that is arranged between described posting and the overcoat, and the rear portion of described back seat is provided with and the fixed bonnet of the afterbody of described overcoat;
Described line protector is by being arranged on patch panel on the described posting, being arranged on the wire clamp on the described back seat and the wire bushing that is arranged in the described bonnet constitutes;
The diameter of described double extension shaft motor is 20mm, its protract the axle length be 8mm to 21mm, after stretch the axle length be 8mm to 15mm, its step angle be 3/6 the degree; The modulus of two spur bevel gears in the described drive mechanism is 0.3 or 0.4, and gear ratio is 0.303030; The number of teeth of described straight-tooth cone pinion is 20 or 30, and the number of teeth of described straight-tooth cone gear is 66 or 99; The deflection radius of described sonac is 10～20mm.
The beneficial effects of the utility model are: the tube-in-tube structure that described main body cover and main body base form, the described main body cover of scalable is with respect to the front and back advance and retreat distance of main body base, so that the Meshing Pair that is made of the large and small gear of straight-tooth circular cone in the described microscope scanheads reaches the Best Coupling effect; Be embedded in the set-up mode of SMC adapter at described yaw front end groove, be convenient to the replacing and the maintenance of sonac.These two improvement have all significantly improved assembly precision on former basis, make the scan performance of ultrasound biomicroscopy UBM scanheads of the present utility model more reliable.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is done to describe in detail.
As shown in the figure, ultrasound biomicroscopy UBM scanheads of the present utility model comprises overcoat 9 and the drive mechanism, line protector and the position-limit mechanism that are arranged in the described overcoat 9.
Described drive mechanism, by the double extension shaft motor 10 that is arranged on described overcoat 9 middle parts, be fixed on protract straight-tooth cone pinion 24 on the axle of described motor 10 by pin 23, and constitute with straight-tooth cone gear 25 that described straight-tooth cone pinion 24 constitutes Meshing Pair, described straight-tooth cone gear 25 is arranged on an end of gyroaxis 4 by pin 26, described gyroaxis 4 is fixed on the upper end of main body cover 7 by the axle sleeve 3 at its two ends, described main body cover 7 is sleeved on the front end of main body base 8, and form the tube-in-tube structure of concentric-ring patterns with described main body base 8, this set-up mode, can be in assembling process, described main body cover 7 is regulated in the front and back of described main body base 8 front ends advance and retreat distance, thereby reached the purpose of back lash between described straight-tooth cone gear 25 of accurate assurance and the straight-tooth cone pinion 24; Described main body base 8 on the front end face of described double extension shaft motor 10, is provided with lining 6 between described main body cover 7 and the overcoat 9 with dowel fixes, and described lining 6 is fixed on the main body cover 7 with trip bolt 22; Before the middle part of described gyroaxis 4 is provided with it, the rear end all has the yaw 5 of groove, the groove of described yaw 5 rear ends straddles on described gyroaxis 4 and the axis normal of its center line and described gyroaxis 4, the groove of described yaw 5 front ends is embedded in SMC adapter 27, the front end of described SMC adapter 27 is provided with sonac 28, the rear end of described SMC adapter 27 is provided with the high-frequency signal line that is connected to patch panel 13, the set-up mode of sonac 28 in the present embodiment, the set-up mode that originally sonac directly is connected described yaw front end that compares, the replacing of more convenient described sonac and maintenance.
In order to prevent that in-house grease from oozing out or outside liquid enters, at the front end of the extremely described main body cover 7 of the shell of described SMC adapter 27 cervical regions and the outer rim place of described lining 6 front ends, the fastening latex sheath 1 that is provided with the waveform mouth is with O RunddichtringO 2 on the described latex sheath 1.
Described position-limit mechanism by be arranged on by trip bolt 20 described motor 10 after stretch baffle ring 21 on the axle, constitute by described baffle ring 21 and back seat 19 fixed postings 11 and the block 12 that is arranged on described posting 11 outsides, the rear portion of described back seat 19 is provided with and the fixed bonnet 17 of the tailing screw flight of described overcoat 9.
Described line protector is by being arranged on the patch panel 13 on the described posting 11 and being arranged on the wire clamp 15 on the described back seat 19 and the wire bushings 18 that are arranged in the described bonnet 17 constitute by screw 16 by screw 14 respectively.
It is the special type of 20mm that double extension shaft motor 10 in this utility model adopts diameter, and its length of protracting axle is 8mm to 21mm, and the length of stretching axle thereafter is 8mm to 15mm, and its step angle is 3/6 degree; The modulus of two spur bevel gears in the described drive mechanism is 0.3 or 0.4, and gear ratio is 0.303030; The number of teeth of described straight-tooth cone pinion 24 is 20 or 30, and the number of teeth of described straight-tooth cone gear 25 is 66 or 99; The deflection radius of described sonac 28 is 10 to 20mm, and sweep limits can reach 27 degree between 34 degree.
In scanning process, described double extension shaft motor 10 is realized the stepping rotation under the control of computer, drive straight-tooth cone gear 25 rotations that constitute Meshing Pair with described straight-tooth cone pinion 24 by the straight-tooth cone pinion 24 that is arranged on its axle that protracts, and by connected yaw 5 swings of gyroaxis 4 drives, thereby make the sonac 28 that is fixed on the described yaw 5 by SMC adapter 27 come and go yaw motion, realize sector scanning.
Position-limit mechanism described in this utility model purpose is set, be to guarantee that described double extension shaft motor 10 is unlikely to depart from track while scan in random start.
Ultrasonic microscope scanheads of the present utility model compared with prior art, structure is more reasonable, performance is more reliable, wherein tube-in-tube structure that constitutes by main body cover 7 and main body base 8 and the setting that is embedded in SMC adapter 27 at described yaw 5 front end grooves, not only improved assembly precision of the present utility model, also make scanning angle of the present utility model more stable, the scanning effect is more accurate, thereby guaranteeing that scanheads is not subjected on the basis that variation of ambient temperature influences, make it to reach better the sweep limits of clinical requirement, and provide diagnosis basis accurately for clinical treatment.
Below with embodiment this utility model is schematically described in conjunction with the accompanying drawings, this description does not have restricted, and shown in the accompanying drawing also is one of embodiment of the present utility model.So; if those of ordinary skill in the art is enlightened by it; under the situation that does not break away from this utility model creation aim,, all should belong to protection domain of the present utility model without the creationary version of designing the ultrasound biomicroscopy UBM scanheads similar to this technical scheme.
Claims (5)
1. ultrasound biomicroscopy UBM scanheads, its formation comprise overcoat and are arranged on drive mechanism, line protection mechanism and position-limit mechanism in the described overcoat;
Described position-limit mechanism is by being arranged on the baffle ring stretched behind the described motor on the axle, constituting by described baffle ring and the fixed posting of back seat and the block that is arranged between described posting and the overcoat, and the rear portion of described back seat is provided with and the fixed bonnet of the afterbody of described overcoat;
Described line protector is by being arranged on patch panel on the described posting, being arranged on the wire clamp on the described back seat and the wire bushing that is arranged in the described bonnet constitutes;
Described drive mechanism, comprise the double extension shaft motor that is arranged on described overcoat middle part, the axle that protracts of described motor is provided with the straight-tooth cone pinion, described straight-tooth cone pinion constitutes Meshing Pair with the straight-tooth cone gear that is arranged on main body set upper side gyroaxis one end in the described overcoat, the two ends of described gyroaxis are fixed on the upper end that described main body is overlapped by axle sleeve, it is characterized in that:
Described main body is set on the front end of described main body base and forms the tube-in-tube structure of concentric-ring pattern with described main body base, and described main body base is fixed on the front end face of described motor by pin; The middle part of described gyroaxis is provided with the yaw that its front and back ends all has groove, the groove of described yaw rear end and described gyroaxis axial plane agree with and the axis normal of its center line and described gyroaxis, the groove of described yaw front end is embedded in the SMC adapter, the front end of described SMC adapter is provided with sonac, the rear end of described SMC adapter is provided with the high-frequency signal line that connects described patch panel, fastening waveform mouth latex sheath and the O RunddichtringO of being provided with of the lining front end between described sonac and the described overcoat.
2. ultrasound biomicroscopy UBM scanheads according to claim 1 is characterized in that, the diameter of described double extension shaft motor is 20mm, and its shaft length that protracts is 8mm to 21mm, and stretching shaft length thereafter is 8mm to 15mm, and its step angle is 3/6 degree.
3. ultrasound biomicroscopy UBM scanheads according to claim 1 is characterized in that, the modulus of two spur bevel gears in the described drive mechanism is 0.3 or 0.4, and gear ratio is 0.303030.
4. ultrasound biomicroscopy UBM scanheads according to claim 1 is characterized in that, the number of teeth of described straight-tooth cone pinion is 20 or 30, and the number of teeth of described straight-tooth cone gear is 66 or 99.
5. ultrasound biomicroscopy UBM scanheads according to claim 1 is characterized in that, the deflection radius of described sonac is 10～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200953313U CN201005715Y (en) | 2007-02-16 | 2007-02-16 | Ultrasonic biological microscope scan probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200953313U CN201005715Y (en) | 2007-02-16 | 2007-02-16 | Ultrasonic biological microscope scan probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201005715Y true CN201005715Y (en) | 2008-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200953313U Expired - Fee Related CN201005715Y (en) | 2007-02-16 | 2007-02-16 | Ultrasonic biological microscope scan probe |
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| CN (1) | CN201005715Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085104B (en) * | 2009-12-03 | 2012-07-04 | 温州医学院 | Three-dimensional B ultrasonic device for disk scanning |
| CN102988081A (en) * | 2012-12-13 | 2013-03-27 | 无锡触典科技有限公司 | Ultrasonic scanning probe |
| CN103169494A (en) * | 2011-12-22 | 2013-06-26 | 深圳市威尔德医疗电子有限公司 | Three-dimensional ultrasound probe used in ultrasound medical equipment |
| 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 |
| CN106618636A (en) * | 2017-01-18 | 2017-05-10 | 中国医学科学院生物医学工程研究所 | Double-drive type synchronous scanning ultrasonic probe |
| CN108768371A (en) * | 2018-07-04 | 2018-11-06 | 上海索迪龙自动化有限公司 | A kind of inductance approach switch sensor |
| CN111419285A (en) * | 2020-04-28 | 2020-07-17 | 深圳英美达医疗技术有限公司 | Ultrasonic three-dimensional imaging catheter and three-dimensional scanning method thereof |
| CN113100829A (en) * | 2021-03-15 | 2021-07-13 | 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 |
| CN108768371B (en) * | 2018-07-04 | 2024-06-04 | 上海索迪龙自动化有限公司 | Inductive proximity switch sensor |
-
2007
- 2007-02-16 CN CNU2007200953313U patent/CN201005715Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085104B (en) * | 2009-12-03 | 2012-07-04 | 温州医学院 | Three-dimensional B ultrasonic device for disk scanning |
| CN103169494A (en) * | 2011-12-22 | 2013-06-26 | 深圳市威尔德医疗电子有限公司 | Three-dimensional ultrasound probe used in ultrasound medical equipment |
| CN102988081A (en) * | 2012-12-13 | 2013-03-27 | 无锡触典科技有限公司 | Ultrasonic scanning probe |
| 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 |
| CN106618636A (en) * | 2017-01-18 | 2017-05-10 | 中国医学科学院生物医学工程研究所 | Double-drive type synchronous scanning ultrasonic probe |
| CN108768371A (en) * | 2018-07-04 | 2018-11-06 | 上海索迪龙自动化有限公司 | A kind of inductance approach switch sensor |
| CN108768371B (en) * | 2018-07-04 | 2024-06-04 | 上海索迪龙自动化有限公司 | Inductive proximity switch sensor |
| CN111419285A (en) * | 2020-04-28 | 2020-07-17 | 深圳英美达医疗技术有限公司 | Ultrasonic three-dimensional imaging catheter and three-dimensional scanning method thereof |
| CN111419285B (en) * | 2020-04-28 | 2023-07-28 | 深圳英美达医疗技术有限公司 | Ultrasonic three-dimensional imaging catheter and three-dimensional scanning method thereof |
| CN113100829A (en) * | 2021-03-15 | 2021-07-13 | 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN MEDA MEDICINE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: TIANJIN MAIDA MEDICAL SCIENCE + TECHNOLOGY CO LTD |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 300384 Tianjin Huayuan new technology industrial zone Xinmao science and Technology Park C2-2-C Patentee after: TIANJIN MEDA MEDICAL TECHNOLOGY CO., LTD. Address before: 300384 Tianjin Huayuan new technology industrial zone Xinmao science and Technology Park C2-2-C Patentee before: Tianjin Maida Medical Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20160216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |