CN209863875U

CN209863875U - Ultrasonic scanning probe

Info

Publication number: CN209863875U
Application number: CN201721669583.2U
Authority: CN
Inventors: 彭春林; 汪阔; 宫明晶
Original assignee: Wuxi Chison Medical Technologies Co Ltd
Current assignee: Wuxi Chison Medical Technologies Co Ltd
Priority date: 2017-12-04
Filing date: 2017-12-04
Publication date: 2019-12-31
Anticipated expiration: 2027-12-04

Abstract

The utility model relates to an ultrasonic scanning probe, which comprises a shell, wherein a probe main body and a transducer swinging device are arranged in the shell, the transducer swinging device comprises a transducer base, a transducer and a swinging driving device, the transducer is arranged on the transducer base, the transducer base is rotationally connected with the probe main body through a pin and a bearing, the pin is fixedly arranged at the two side parts of the probe main body, the pin is connected with the inner ring of the bearing, and the transducer base is connected with the outer ring of the bearing; and the power output end of the swing driving device is connected to the energy converter base to drive the energy converter base to swing. The utility model discloses a wide-angle full range's of transducer swing to can reduce the friction of transducer swing process, make the transducer swing more in the same direction as smooth.

Description

Ultrasonic scanning probe

Technical Field

The utility model relates to an ultrasonic scanning probe belongs to ultrasonic imaging equipment's technical field.

Background

The ultrasonic diagnostic apparatus uses ultrasonic detection technology to know the data and the form of the human tissue structure through ultrasonic measurement. The ultrasonic diagnostic apparatus comprises a host machine for ultrasonic diagnosis and a probe, wherein the probe comprises a transducer for sending and receiving ultrasonic waves, and the probe is plugged on the host machine. When the ultrasonic scanner is positioned on the target to be detected, the ultrasonic waves sent from the transducer impact the target to be detected to scan and detect the target to be detected, and the obtained scanning data are fed back to the host for further processing.

With the continuously developed new technology and the extensive and deep clinical diagnosis application, new requirements are put forward on the body type and the convenient performance of the ultrasonic diagnostic apparatus. At present, the existing ultrasonic probe capable of acquiring vivid three-dimensional images has a complex structure and heavier weight; the structure for transmitting the motor power to the transducer is a multi-stage transmission gear set, the structure is complex, the weight of the probe is inevitably increased, and therefore, the probe is uncomfortable to use for a long time and feels tired when being operated. In another situation, although the structure is simple, the power transmission structure is not ideal, and the transducer cannot swing in a large-angle and full-range manner under the driving of the motor, so that the scanning imaging quality is influenced.

Therefore, there is a need to provide a new type of ultrasound scanning probe to overcome the drawbacks of the prior art.

Disclosure of Invention

The utility model aims at overcoming the not enough of existence among the prior art, providing an ultrasonic scanning probe, realized the swing of the big angle full scope of transducer to can reduce the friction of transducer swing process, make the transducer swing more in the same direction as smooth.

According to the technical scheme provided by the utility model, ultrasonic scanning probe, including the casing, set up probe main part and transducer pendulous device in the casing, transducer pendulous device includes transducer base, transducer and swing drive arrangement, and the transducer is installed on transducer base, and transducer base rotates with the probe main part through pin and bearing to be connected, and the pin is fixed to be set up in the both sides portion of probe main part, and the pin is connected with the inner circle of bearing, and transducer base is connected with the outer lane of bearing; and the power output end of the swing driving device is connected to the energy converter base to drive the energy converter base to swing.

Furthermore, a spacing column is sleeved on the pin and arranged between the outer end of the bearing and the probe main body.

Furthermore, the swing driving device comprises a driving motor, a driving bevel gear is arranged at the end part of a power output shaft of the driving motor, and the driving bevel gear is meshed with a driven bevel gear on the transducer base; the driving bevel gear and the driven bevel gear are vertically arranged.

Further, the probe body divides the shell into a first accommodating space at the upper part and a second accommodating space at the lower part; the transducer is arranged in the first accommodating space, the driving motor is arranged in the second accommodating space, and a power output shaft of the driving motor penetrates through the probe body and extends into the first accommodating space.

Further, a sealing mechanism is arranged between the power output shaft and the probe body.

Furthermore, the shell comprises an upper shell, a lower shell, a sound window and an outer cover body, wherein the lower shell is sleeved at the lower end of the upper shell, the upper end of the upper shell is provided with the sound window, and the sound window is positioned right in front of the transducer; the outer cover body covers the outer side of the lower shell, and the upper end of the outer cover body covers the joint of the upper shell and the lower shell and the joint of the upper shell and the sound window.

Furthermore, the inner side of the outer cover body is provided with a buckle, and the buckle is clamped into a clamping groove in the outer side of the lower shell to fixedly connect the outer cover body and the lower shell.

Furthermore, the outer side of the lower end of the sound window is provided with a step which is matched with the upper end of the outer cover body, so that the joint of the outer cover body and the sound window forms a smooth surface.

Further, a connecting sleeve is arranged at the through hole at the bottom of the shell, and the cable penetrates through the connecting sleeve to enter the interior of the shell.

Furthermore, one end of the connecting sleeve is positioned in the shell, and the other end of the connecting sleeve penetrates out of the shell; the end part of the connecting sleeve penetrating out of the shell is connected with the protective sleeve, and the cable penetrates through the protective sleeve and the connecting sleeve and then extends into the shell.

The utility model has the advantages of it is following:

(1) the utility model realizes the wide-angle and full-range swing of the transducer, and can reduce the friction in the swing process of the transducer, so that the swing of the transducer is smoother and more stable, and the quality of scanning imaging is also ensured;

(2) the utility model realizes the stable and accurate transmission by the meshing of a group of vertically arranged driving bevel gears and driven bevel gears;

(3) ultrasonic scanning probe has fully optimized the casing, has avoided last casing, down the seam between casing, the acoustic window to expose outside, guarantees ultrasonic scanning probe's level and smooth on surface, improves operator's operating comfort.

Drawings

Fig. 1 is a schematic structural diagram of the ultrasonic scanning probe of the present invention.

Fig. 2 is a schematic view of the mounting of the transducer base.

Description of reference numerals: 100-ultrasonic scanning probe, 110-first containing space, 120-second containing space, 1-probe body, 2-transducer base, 3-transducer, 4-pin, 5-bearing, 6-driving motor, 7-power output shaft, 8-driving bevel gear, 9-driven bevel gear, 10-sealing structure, 11-upper shell, 12-lower shell, 13-acoustic window, 14-top screw mounting hole, 15-spacing column, 16-outer cover body, 17-buckle, 18-connecting sleeve, 19-cable and 20-protective sleeve.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the ultrasound scanning probe 100 of the present invention includes a housing, a probe body 1 is disposed in the housing, the probe body 1 divides the housing into a first receiving space 110 at an upper portion and a second receiving space 120 at a lower portion; the transducer swinging device is arranged in the shell and comprises a transducer base 2, a transducer 3 and a swinging driving mechanism, the transducer 3 is arranged in the first accommodating space 110, the transducer 3 is arranged on the transducer base 2, the transducer base 2 is rotatably connected with the probe main body 1 through a pin 4 and a bearing 5, the pin 4 is fixedly arranged at two side parts of the probe main body 1, the pin 4 is connected with an inner ring of the bearing 5, the transducer base 2 is connected with an outer ring of the bearing 5, the transducer base 2 can swing at a large range of angles under the action of input power through the bearing 5 and the pin 4, the bearing 5 can reduce friction in the swinging process of the transducer base 2, and the swinging process of the transducer base 2 is ensured to be smoother; in addition, the pin 4 is sleeved with the spacing column 15, the spacing column 15 is positioned between the outer end of the bearing 5 and the probe body 1, the bearing 5 is protected from being abraded by the probe body 1, and the bearing 5 is prevented from being damaged; the swing driving mechanism is used for providing power input of the swing of the transducer base 2, the swing driving mechanism comprises a driving motor 6, the driving motor 6 is arranged in the second accommodating space 120, a power output shaft 7 of the driving motor 6 penetrates through the probe body 1 and extends into the first accommodating space 110, a driving bevel gear 8 is arranged at the end part of the power output shaft 7, and the driving bevel gear 8 is meshed with a driven bevel gear 9 on the transducer base 2. The utility model discloses a drive bevel gear 8 and the driven bevel gear 9 intermeshing of a set of vertical setting carry out the transmission, realize that the transmission is steady, accurate to the structure through bearing 5 and pin 4 guarantees that transducer 3 is in the smooth in the swing process of wide-angle within range, thereby makes scanning probe 100 overall structure simple, compact, the volume is littleer, weight is lighter, the gripping is more laborsaving, transducer 3 scope of oscillation is bigger simultaneously, more steady, just also guaranteed the quality of scanning formation of image. In addition, in order to ensure effective sealing between the power output shaft 7 and the probe body 1, a sealing mechanism 10 is provided between the power output shaft 7 and the probe body 1, and the sealing mechanism 10 may adopt oil seal to ensure that no air exists in the first accommodating space 110.

Further, the drive bevel gear 8 is assembled with the power output shaft 7 of the driving motor 6 through an inner hole, and the end of the power output shaft 7 of the driving motor 6 is provided with a top screw mounting hole 14, and a top screw is arranged in the top screw mounting hole 14, so that the drive bevel gear 8 is fixed at the end of the power output shaft 7; the top end screw fixing mode can effectively avoid the risk of structural failure caused by the fact that the traditional lateral locking screw is loosened.

Further, as shown in fig. 1, the housing includes an upper housing 11, a lower housing 12, an acoustic window 13 and an outer cover 16, the lower housing 12 is sleeved on the lower end of the upper housing 11, the upper end of the upper housing 11 is provided with the acoustic window 13, and the acoustic window 13 is located right in front of the transducer 3; the outer cover 16 covers the outer side of the lower shell 12, a buckle 17 is arranged on the inner side of the outer cover 16, the buckle 17 is clamped into a clamping groove on the outer side of the lower shell 12 to realize the fixed connection between the outer cover 16 and the lower shell 12, the upper end of the outer cover 16 covers the joint between the upper shell 11 and the lower shell 12 and the joint between the upper shell 11 and the acoustic window 13, a step is arranged on the outer side of the lower end of the acoustic window 13, the step is matched with the upper end of the outer cover 16 to enable the joint between the outer cover 16 and the acoustic window 13 to form a smooth surface, and therefore the acoustic window 13 and the outer cover 16 surround and form the whole peripheral outline of the ultrasonic scanning probe 100. The structural design of the shell fully optimizes the appearance of the ultrasonic scanning probe, avoids the joint between the upper shell, the lower shell and the acoustic window from being exposed outside, ensures the smoothness of the surface of the ultrasonic scanning probe and improves the operation comfort of an operator.

The outer cover 16 and the lower shell 12 both adopt an integral demolding design, that is, the lower shell 12 and the outer cover 16 are both of an integral structure with an opening at the upper end, a hollow interior and a hole at the center of the bottom. The bottom of the inner cavity of the lower shell 12 is provided with a connecting sleeve 18, the upper part of the connecting sleeve 18 is installed at the bottom of the lower shell 12, the lower part of the connecting sleeve 18 extends out of the lower shell 12 through an opening at the bottom of the lower shell 12, a hole is formed in the center of the connecting sleeve 18, the hole can ensure that a cable 19 enters the lower shell 12, the cable 19 entering the lower shell 12 is connected with the driving motor 6, and signals output by the transducer 3 can be output. Further, a protective sheath 20 is connected to the lower portion of the connecting sleeve 18 extending out of the lower housing 12, and the protective sheath 20 is used for protecting the cable 19.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an ultrasonic scanning probe, includes the casing, sets up probe main part (1) and transducer pendulous device in the casing, characterized by: the transducer swinging device comprises a transducer base (2), a transducer (3) and a swinging driving device, wherein the transducer (3) is arranged on the transducer base (2), the transducer base (2) is rotatably connected with the probe main body (1) through a pin (4) and a bearing (5), the pin (4) is fixedly arranged at two side parts of the probe main body (1), the pin (4) is connected with an inner ring of the bearing (5), and the transducer base (2) is connected with an outer ring of the bearing (5); the power output end of the swing driving device is connected to the energy converter base (2) to drive the energy converter base (2) to swing;

the shell comprises an upper shell (11), a lower shell (12), a sound window (13) and an outer cover body (16), wherein the lower shell (12) is sleeved at the lower end of the upper shell (11), the upper end of the upper shell (11) is provided with the sound window (13), and the sound window (13) is positioned right in front of the transducer (3); the outer cover body (16) covers the outer side of the lower shell (12), and the upper end of the outer cover body (16) covers the joint of the upper shell (11) and the lower shell (12) and the joint of the upper shell (11) and the sound window (13).

2. The ultrasonic scanning probe of claim 1, wherein: the pin (4) is sleeved with a spacing column (15), and the spacing column (15) is arranged between the outer end of the bearing (5) and the probe body (1).

3. The ultrasonic scanning probe of claim 1, wherein: the swing driving device comprises a driving motor (6), a driving bevel gear (8) is arranged at the end part of a power output shaft (7) of the driving motor (6), and the driving bevel gear (8) is meshed with a driven bevel gear (9) on the transducer base (2); the driving bevel gear (8) and the driven bevel gear (9) are vertically arranged.

4. The ultrasonic scanning probe of claim 3, wherein: the probe body (1) divides the shell into a first accommodating space (110) positioned at the upper part and a second accommodating space (120) positioned at the lower part; the transducer (3) is arranged in the first accommodating space (110), the driving motor (6) is arranged in the second accommodating space (120), and a power output shaft (7) of the driving motor (6) penetrates through the probe body (1) and extends into the first accommodating space (110).

5. The ultrasound scanning probe of claim 4, wherein: a sealing mechanism (10) is arranged between the power output shaft (7) and the probe body (1).

6. The ultrasonic scanning probe of claim 1, wherein: the inner side of the outer cover body (16) is provided with a buckle (17), and the buckle (17) is clamped into a clamping groove in the outer side of the lower shell (12) to fixedly connect the outer cover body (16) and the lower shell (12).

7. The ultrasonic scanning probe of claim 1, wherein: the outer side of the lower end of the sound window (13) is provided with a step, and the step is matched with the upper end of the outer cover body (16), so that the connecting part of the outer cover body (16) and the sound window (13) forms a smooth surface.

8. The ultrasonic scanning probe of claim 1, wherein: a connecting sleeve (18) is arranged at the through hole at the bottom of the shell, and a cable (19) penetrates through the connecting sleeve (18) to enter the interior of the shell.

9. The ultrasound scanning probe of claim 8, wherein: one end of the connecting sleeve (18) is positioned in the shell, and the other end of the connecting sleeve penetrates out of the shell; the connecting sleeve (18) penetrates through the end part of the shell to be connected with the protective sleeve (20), and the cable (19) penetrates through the protective sleeve (20) and the connecting sleeve (18) and then extends into the shell.