CN202740028U - Novel ultrasonic sector scanning probe for ophthalmology - Google Patents
Novel ultrasonic sector scanning probe for ophthalmology Download PDFInfo
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- CN202740028U CN202740028U CN201220465358.8U CN201220465358U CN202740028U CN 202740028 U CN202740028 U CN 202740028U CN 201220465358 U CN201220465358 U CN 201220465358U CN 202740028 U CN202740028 U CN 202740028U
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- motor
- sector scanning
- fixed
- conical gear
- axle
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Abstract
The utility model provides a novel ultrasonic sector scanning probe for ophthalmology. The novel ultrasonic sector scanning probe comprises a motor, a front seat, a first bushing, a rotating shaft, a first bevel gear wheel, a second bevel gear wheel, a swinging head, a crystal, a medium bin, a rear seat, a circuit board, a baffle plate, a wire holder and a limiting wheel, wherein the motor is arranged in an outer sleeve; the front seat is fixed on the front end surface of the motor; the first bushing is fixed on the front seat; two ends of the rotating shaft are connected in the front seat by shaft sleeves in a radial direction; the first bevel gear wheel is fixedly connected on a forward extending shaft of the motor; the second bevel gear wheel is fixed on the rotating shaft and engaged with the first bevel gear wheel; the swinging head is fixed on the rotating shaft; the crystal is connected to the swinging head; the medium bin is formed between the inner side of the front seat and the inner side of the first bushing and is used for containing sound transmission mediums; the rear seat is fixed on the rear end surface of the motor; the circuit board, the baffle plate and the wire holder are respectively arranged on the rear seat; the limiting wheel is fixed on a backward extending shaft of the motor; a rear cover and a wire protective sleeve connected to the rear cover are arranged on a port at the rear end of the outer sleeve; a sound transmission window is arranged on a port at the front end of the outer sleeve; and a sealing mechanism for sealing and separating the ultrasonic transmission mediums from the inner part of the motor is arranged on the forward extending shaft of the motor. By adopting the novel ultrasonic sector scanning probe for ophthalmology, the ultrasonic transmission medium can be sealed and separated from the inner part of the motor.
Description
Technical field
This utility model relates to a kind of scanheads of ophthalmology.Particularly relate to the ultrasonic sector scanning probe of a kind of novel ophthalmology for ophthalmic diseases ultrasonic imaging diagnosis system.
Background technology
The at present clinical ultrasonic sector scanning for eye disease diagnosis of state Inner is popped one's head in, it is inventor's design in 2004 of present patent application, its patent name is " mechanical sector scanning probe of ophthalic B type ultrasonic diagnostic instrument ", the patent No. is ZL200420085689.4, because there is the defective on the structural design in the sealing of scanheads front end sound transmitting window and sound transmitting medium, sound transmitting window and lining junction often occuring bonding not firm, cause transmitting medium leakage phenomenon, makes the instrument cisco unity malfunction.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of ultrasonic sector scanning probe of novel ophthalmology that can guarantee seal isolation in ultrasonic conducting medium and the motor is provided.
The technical scheme that this utility model adopts is: the ultrasonic sector scanning probe of a kind of novel ophthalmology, comprise overcoat and be arranged on the interior motor with double extension shaft of overcoat, the front end of described motor is provided with: be fixed on the front stall on the motor front end face, be fixed on the first lining of the open circles barrel structure on the front stall, two ends radially are connected to rotating shaft in the front stall by axle sleeve, be fixedly connected on the first conical gear on the axle that protracts of motor, be fixed on the rotating shaft and the second conical gear that is meshed with described the first conical gear, be fixed on the yaw on the rotating shaft, be connected to the crystal on the yaw, the medium storehouse that described front stall is inboard and the first lining inboard is configured for holding transmitting medium, the rear end of described motor is provided with: be fixed on the back seat on the motor rear end face, be fixedly mounted on circuit board on the back seat by screw respectively, link stopper and ply-yarn drill, be fixed on motor after stretch position-limited wheel on the axle, the rear port of described overcoat is provided with bonnet and the wire bushing that is connected on the bonnet, be provided with sound transmitting window on the front port of described overcoat, be provided with the sealing mechanism that makes seal isolation in ultrasonic conducting medium and the motor on the axle that protracts of described motor.
Described sound transmitting window is the drum structure that an end opening one end is remained silent, and is enclosed within the front end outside of described the first lining, and the closed end of this sound transmitting window consists of the entrant sound lid of overcoat front port.
Described sealing mechanism includes and is positioned at the motor front end face and is enclosed within protract the first sealing ring on the axle of motor, be positioned at the first conical gear side and be enclosed within protract back-up ring on the axle of motor, be separately positioned on the forward and backward two ends of back-up ring and be enclosed within motor protract the second sealing ring and the 3rd sealing ring on the axle, be provided with the second barrel-shaped lining between described the first sealing ring and the back-up ring, described the first sealing ring, the second lining, back-up ring and the second sealing ring and described front stall inner peripheral surface are combined closely.
The Chao Sheng Change energy of the circular broadband of the single-chip device of dual-purpose is received/sent out to described crystal by adopting high frequency, and supersonic frequency is the scope of 10MHZ to 20MHZ.
Described motor is motor or servomotor.
Described motor is double extension shaft reaction equation three-phase stepper motor, and motor diameter is 20mm, the motor axial length 22mm that protracts, after stretch axial length 7.5mm; Motor step elongation 3/6 degree, 12 volts of DC voltages.
The modulus of described the first conical gear and the second conical gear is 0.4, and wherein, the first conical gear is 20 teeth, and the second conical gear is 24 teeth.
Have on the described position-limited wheel≤80 breach of spending, described link stopper (11) places in the breach of position-limited wheel.
Described entrant sound lid is arc structure, and radian is R35.
The ultrasonic sector scanning probe of novel ophthalmology of the present utility model has overcome the existing deficiency of prior art, and this utility model is by 2 intermeshing Bevel Gear Drive, and sweep limits can expand 50 degree to between 60 degree; Be arranged on motor in the front stall shaft sealing mechanism that protracts, can guarantee the interior seal isolation of ultrasonic conducting medium and motor, guarantee that instrument can work.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Among the figure
1: crystal 2: yaw
3: axle 4: axle sleeve
5: back-up ring 6: the sealing nail
Lining 8 in 7: the first: front stall
11: block 12: screw
13: circuit board 14: screw
15: ply-yarn drill 16: screw
17: wire bushing 18: bonnet
19: back seat 20: trip bolt
21: position-limited wheel 22: motor
23: stifled 24: the second linings of post
25: 26: the three sealing rings of trip bolt
27: 28: the second sealing rings of back-up ring
29: 30: the first conical gears of pin
33: medium window
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the ultrasonic sector scanning probe of novel ophthalmology of the present utility model is made a detailed description.
As shown in Figure 1, the ultrasonic sector scanning probe of novel ophthalmology of the present utility model comprises overcoat 10 and the motor with double extension shaft 22 that is arranged in the overcoat 10, and described motor 22 is motor or servomotor.The motor 22 that the present embodiment adopts is double extension shaft reaction equation three-phase stepper motors, and motor diameter is 20mm, the motor axial length 22mm that protracts, after stretch axial length 7.5mm; Motor step elongation 3/6 degree, 12 volts of DC voltages.
The front end of described motor 22 is provided with: be fixed on the front stall 8 on motor 22 front end faces, be fixed on the first lining 7 of the open circles barrel structure on the front stall 8, two ends radially are connected to rotating shaft 3 in the front stall 8 by axle sleeve 4, be fixedly connected on the first conical gear 30 on the axle that protracts of motor 22, be fixed on the rotating shaft 3 and the second conical gear 31 that is meshed with described the first conical gear 30, the modulus of described the first conical gear 30 and the second conical gear 31 is 0.4, wherein, the first conical gear 30 is 20 teeth, and the second conical gear 31 is 24 teeth.The medium storehouse 33 that described front stall 8 inboards and the first lining 7 inboards are configured for holding transmitting medium.Also be provided with the yaw 2 that is fixed on the rotating shaft 3, be connected to the crystal 1 on the yaw 2, described yaw 2, the bearing of crystal 1 in fact, crystal 1 is fixed on this bearing, the second conical gear 31 that is connected to simultaneously on this bearing is meshed with the first conical gear 30 on the motor shaft, and the crystal 1 that just drives on the yaw 2 when motor comes and goes rotation is made reciprocating swing, forms the sector scanning state.
Described crystal 1 adopts high frequency to receive/send out the Chao Sheng Change energy of the circular broadband of the single-chip device of dual-purpose, and supersonic frequency is the scope of 10MHZ to 20MHZ.The embodiment of the invention has designed respectively two kinds of 10MHZ and 20MHZ, as long as Chao Sheng Change of Geng Change different frequency can device, just can obtain the Type B image of different resolution to meet the different needs.Use the ultrasonic crystal of 10MHZ and 20MHZ, eyes are done sector scanning, scanning angle≤55 are spent, and can clearly observe the organizational structure form of ophthalmic and eye socket, and eye disease diagnosis is had significant role.
Be provided with sound transmitting window 32 on the front port of described overcoat 10, be provided with the sealing mechanism that makes seal isolation in ultrasonic conducting medium and the motor on the axle that protracts of described motor 22.
Described sound transmitting window 32 is the drum structure that an end opening one end is remained silent, and be enclosed within outside the front end of described the first lining 7, the closed end of this sound transmitting window 32 consists of the entrant sound lid of overcoat 10 front ports, described entrant sound lid is arc structure, radian is R35, highly≤and 10mm, the internal diameter of described sound transmitting window 32 is 18.1mm, external diameter 18.4mm; Sound transmitting window 32 is enclosed in an end of the first lining 7 with glue; The characteristic point of the first lining 7 is hollow drums, external diameter 18mm, and long 32m, the first lining 7 band gum covers are on whole front stall 8.
Described sound transmitting window 32 has two kinds of functions, the hyperacoustic window of first transmission, the sound transmitting window front end face directly contacts with people's eyelid, makes the ultrasound wave of ultrasonic crystal emission enter eyes by it, and enters ultrasonic crystal from the echo of ocular tissue's internal reflection by it again and receive and transfer to instrument system; It two is sealing functions, stops transmitting medium in the medium storehouse to external leakage.
Described sealing mechanism includes and is positioned at motor 22 front end faces and is enclosed within protract the first sealing ring 9 on the axle of motor, be positioned at the first conical gear 30 sides and be enclosed within protract back-up ring 27 on the axle of motor, be separately positioned on back-up ring 27 forward and backward two ends and be enclosed within motor protract the second sealing ring 28 and the 3rd sealing ring 26 on the axle, be provided with the second barrel-shaped lining 24 between described the first sealing ring 9 and the back-up ring 27, described the first sealing ring 9, the second lining 24, back-up ring 27 and the second sealing ring 28 are combined closely with described front stall 8 inner peripheral surfaces.
The rear end of described motor 22 is provided with: be fixed on the back seat 19 on motor 22 rear end faces, be fixedly mounted on circuit board 13, link stopper 11 and ply-yarn drill 15 on the back seat 19 by screw respectively, be fixed on motor 22 after stretch position-limited wheel 21 on the axle, the function of described position-limited wheel 21 has been position limitation and pay-as-you-go operation, have on the described position-limited wheel 21≤80 breach of spending, described link stopper 11 places in the breach of position-limited wheel 21.Described circuit board 13 is electronic device and the carrier that is connected and connects.The rear port of described overcoat 10 is provided with bonnet 18 and the wire bushing 17 that is connected on the bonnet 18, and the function of described wire bushing 17 is that protection scanheads connection cord is easy to break at its probe root, prevents that cable is impaired.The function of described ply-yarn drill 15 is to shield, prevent that high frequency cable from often drawing or the situation of pulling out under cause being connected to holding wire breakdown on the circuit board, therefore at back seat 19 ply-yarn drill is installed, the external diameter of high frequency cable is fixed with ply-yarn drill, guarantee that cable is not fragile.
In sum, the ultrasonic sector scanning probe of novel ophthalmology of the present utility model, by structure shown in the accompanying drawing, part is through Precision Machining, assembling, debugging, finished the manufacturing of the ultrasonic sector scanning probe of a kind of novel ophthalmology, for the ultrasonic imaging diagnosis of ophthalmic diseases provides advanced means, in clinical, has actual application value, it will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned embodiment of the present utility model does not represent the quality of embodiment just to description.
The above only is preferred embodiment of the present utility model, and is in order to limit this utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the ultrasonic sector scanning of novel ophthalmology is popped one's head in, comprise overcoat (10) and be arranged on the interior motor with double extension shaft (22) of overcoat (10), the front end of described motor (22) is provided with: be fixed on the front stall (8) on motor (22) front end face, be fixed on first lining (7) of the open circles barrel structure on the front stall (8), two ends radially are connected to the interior rotating shaft (3) of front stall (8) by axle sleeve (4), be fixedly connected on the first conical gear (30) on the axle that protracts of motor (22), be fixed on the second conical gear (31) that rotating shaft (3) is upper and be meshed with described the first conical gear (30), be fixed on the yaw (2) on the rotating shaft (3), be connected to the crystal (1) on the yaw (2), the medium storehouse (33) that described front stall (8) is inboard and the first lining (7) inboard is configured for holding transmitting medium, the rear end of described motor (22) is provided with: be fixed on the back seat (19) on motor (22) rear end face, be fixedly mounted on circuit board (13) on the back seat (19) by screw respectively, link stopper (11) and ply-yarn drill (15), be fixed on motor (22) after stretch position-limited wheel (21) on the axle, the rear port of described overcoat (10) is provided with bonnet (18) and is connected to wire bushing (17) on the bonnet (18), it is characterized in that, be provided with sound transmitting window (32) on the front port of described overcoat (10), be provided with the sealing mechanism that makes seal isolation in ultrasonic conducting medium and the motor on the axle that protracts of described motor (22).
2. the ultrasonic sector scanning of novel ophthalmology according to claim 1 is popped one's head in, it is characterized in that, described sound transmitting window (32) is the drum structure that an end opening one end is remained silent, and be enclosed within outside the front end of described the first lining (7), the closed end of this sound transmitting window (32) consists of the entrant sound lid of overcoat (10) front port.
3. the ultrasonic sector scanning of novel ophthalmology according to claim 1 is popped one's head in, it is characterized in that, described sealing mechanism includes and is positioned at motor (22) front end face and is enclosed within protract the first sealing ring (9) on the axle of motor, be positioned at the first conical gear (30) side and be enclosed within protract back-up ring (27) on the axle of motor, be separately positioned on back-up ring (27) front, rear two ends and be enclosed within motor protract the second sealing ring (28) and the 3rd sealing ring (26) on the axle, be provided with barrel-shaped the second lining (24), described the first sealing ring (9) between described the first sealing ring (9) and the back-up ring (27), the second lining (24), back-up ring (27) and the second sealing ring (28) are combined closely with described front stall (8) inner peripheral surface.
4. the ultrasonic sector scanning of novel ophthalmology according to claim 1 is popped one's head in, and it is characterized in that, described crystal (1) adopts high frequency to receive/send out the super sound of the circular broadband of the single-chip Change energy device of dual-purpose, and supersonic frequency is the scope of 10MHZ to 20MHZ.
5. the ultrasonic sector scanning probe of novel ophthalmology according to claim 1 is characterized in that, described motor (22) is motor or servomotor.
6. the ultrasonic sector scanning of novel ophthalmology according to claim 1 probe is characterized in that, described motor (22) is double extension shaft reaction equation three-phase stepper motor, and motor diameter is 20mm, the motor axial length 22mm that protracts, after stretch axial length 7.5mm; Motor step elongation 3/6 degree, 12 volts of DC voltages.
7. the ultrasonic sector scanning of novel ophthalmology according to claim 1 is popped one's head in, it is characterized in that, the modulus of described the first conical gear (30) and the second conical gear (31) is 0.4, wherein, the first conical gear (30) is 20 teeth, and the second conical gear (31) is 24 teeth.
8. the ultrasonic sector scanning probe of novel ophthalmology according to claim 1 is characterized in that, described position-limited wheel has on (21)≤80 breach of spending, and described link stopper (11) places in the breach of position-limited wheel (21).
9. the ultrasonic sector scanning probe of novel ophthalmology according to claim 2 is characterized in that, described entrant sound lid is arc structure, and radian is R35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465358.8U CN202740028U (en) | 2012-09-12 | 2012-09-12 | Novel ultrasonic sector scanning probe for ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465358.8U CN202740028U (en) | 2012-09-12 | 2012-09-12 | Novel ultrasonic sector scanning probe for ophthalmology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202740028U true CN202740028U (en) | 2013-02-20 |
Family
ID=47699490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220465358.8U Expired - Lifetime CN202740028U (en) | 2012-09-12 | 2012-09-12 | Novel ultrasonic sector scanning probe for ophthalmology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202740028U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2012
- 2012-09-12 CN CN201220465358.8U patent/CN202740028U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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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 city Nankai District Huayuan Industrial Zone Xinmao science and Technology Park C2 block two layer C unit Patentee after: MEDA CO.,LTD. Address before: 300384 Tianjin city Nankai District Huayuan Industrial Zone Xinmao science and Technology Park C2 block two layer C unit Patentee before: Tianjin Maida Medical Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |