CN115445111A - Direct drive imaging and therapy device - Google Patents

Abstract

The invention discloses a direct drive imaging and treatment device, which includes a handle and a probe that are detachably connected. Connected with a transmission rod, the top of the transducer module has a connecting rod, the transmission rod and the connecting rod are coaxial and detachably connected, the rotor directly drives the transducer module to perform linear reciprocating motion synchronously by rotating the drive rod, and the transducer An imaging transducer and a therapy transducer are arranged on the end of the module close to the transmission window of the probe. In the present invention, the transmission rod and the connecting rod of the transducer module are detachably connected through magnetism, so that the drive mechanism is directly connected to the transducer module through the transmission rod to drive the transducer module to do linear reciprocating motion without other transmission Components can ensure the smooth movement of the drive transducer module and avoid unnecessary noise and wear caused by deviations in the connection.

Description

Direct Drive Imaging and Therapy Devices

technical field

The invention relates to the technical field of ultrasonic therapeutic apparatus, in particular to a direct-drive imaging and therapeutic device.

Background technique

Ultrasonic therapy instruments commonly used in skin treatment and conditioning on the market focus ultrasonic waves on a single point through a transducer to generate high energy, which acts on the dermis and fascia layer of the skin, stimulates the proliferation and reorganization of collagen, and Tighten contours, anti-wrinkle and firm skin. The therapeutic apparatus usually consists of a handle and a probe, wherein the therapeutic transducer in the probe can emit ultrasonic waves to treat the skin. The common ultrasonic therapeutic instrument only has a therapeutic transducer, without an imaging transducer or the images generated by the imaging transducer cannot be synchronized. Doctors cannot accurately judge the real situation under the skin during the treatment process, and it is difficult to control the energy and range of the treatment. to real-time precise treatment.

At the same time, in order to ensure the efficiency of treatment and reduce the workload of users, some ultrasonic therapeutic instruments will set the therapeutic transducer to be movable, and the driving part in the handle can drive the transducer to move, which can increase the ultrasonic radiation area . However, in the prior art, there is no direct connection between the drive motor and the transducer. It is usually necessary to set up intermediate mechanisms such as guide rails for indirect connection, such as disclosed in Patent No. 202021319422.2, which leads to deviations and jams during the driving process. . In addition, the position of the transducer after it moves cannot be precisely controlled, so that it cannot be accurately positioned and used, and when the use is interrupted and used again, the position of the transducer cannot be reset and needs to be re-adjusted, which brings inconvenience to use.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings of the prior art and provide a direct-drive imaging and treatment device.

The purpose of the present invention is achieved through the following technical solutions:

The direct-drive imaging and treatment device includes a detachably connected handle and a probe, characterized in that: the handle has a built-in drive mechanism, the probe has a built-in transducer module, the drive mechanism has a rotor, and the rotor The axis of the shaft is hollow and screwed with a transmission rod. The top of the transducer module has a connecting rod. The transmission rod is coaxial with the connecting rod and is detachably connected. The rotor drives the transmission by rotating The rod directly drives the transducer module to perform linear reciprocating motion synchronously, and the end of the transducer module close to the transmission window of the probe is provided with an imaging transducer and a treatment transducer.

Preferably, a permanent magnet is provided at the end of the connecting rod and the end of the transmission rod, and the connecting rod and the transmission rod are magnetically connected.

Preferably, a guide rod extending in the same direction as the moving direction of the transducer module is arranged in the probe, and the transducer module is slidably sleeved on the guide rod.

Preferably, the cross section of the guide rod is rectangular.

Preferably, the two sides of the top of the transducer module are respectively provided with a first elastic body and a second elastic body, the extension direction of the first elastic body and the second elastic body and the moving direction of the transducer module and the surfaces of the first elastic body and the second elastic body are formed with wavy folds, so that the first elastic body and the second elastic body expand and contract synchronously with the movement of the transducer module.

Preferably, the second elastic body is sheathed on the connecting rod.

Preferably, a bracket is arranged inside the handle, the driving mechanism is arranged on the bracket, and a detection mechanism for detecting the moving position of the transmission rod is arranged on the driving mechanism.

Preferably, the detection mechanism includes a linear code disc, an encoder, a slider and a controller, the linear code disc is fixed on the slider, the slider is fixed to the tail end of the transmission rod, The linear code disc and the transmission rod move synchronously, the encoder is arranged on the bracket and electrically connected with the controller, the controller controls the operation of the driving mechanism, and the linear code The disk is slidingly clamped in the encoder, and the two ends of the linear code disk are respectively provided with marking lines, and the encoder controls the reciprocating movement of the transmission rod by detecting the marking lines.

Preferably, at least one chute is provided on the slider, a positioning block matching the chute is fixedly connected to the bracket, and the locating block is slidably locked in the chute.

Preferably, the detection mechanism includes an electrically connected photoelectric sensor and a controller, the photoelectric sensor is fixed on the bracket, and the transmission rod is passed between the light emitting end and the light receiving end of the photoelectric sensor , and the transmission rod is located on the same horizontal line as the light emitting end and the light receiving end, and a group of through holes are provided along the extending direction of the transmission rod to allow the light beam emitted by the light emitting end to pass through, and the control The controller controls the operation of the drive mechanism.

The beneficial effects of the present invention are mainly reflected in:

1. The connecting rod between the transmission rod and the transducer module is detachably connected by magnetism. On the one hand, it can be easily loaded and unloaded. On the other hand, the drive mechanism can be directly connected to the transducer module through the transmission rod to drive the transducer module to make a straight line. Reciprocating motion, without passing through other transmission parts, can ensure the smooth movement of the drive transducer module and avoid unnecessary noise and wear caused by deviations in the connection. At the same time, the radial movement of the direct drive transmission rod is compared with The indirect drive is reduced, which can ensure that the motor-driven transducer remains in a straight line during high-speed reciprocating motion, so that the transducer can collect image signals and apply treatment at the same level and depth of the patient's skin;

2. The transducer module is equipped with an imaging transducer and a treatment transducer at the same time, so that imaging can be performed synchronously during treatment, and a detection mechanism is set to detect the position of the transmission rod in real time to ensure that the imaging transducer can perform imaging in the acceleration and deceleration section of the drive mechanism. Consistency, improve the overall quality of imaging, help users to judge the imaging part, and at the same time facilitate accurate positioning during use, and facilitate restoration of the original position.

Description of drawings

Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:

Fig. 1: the schematic diagram of the first embodiment of the present invention;

Fig. 2: the sectional view of the first embodiment of the present invention;

Figure 3: a schematic diagram of the detection mechanism in the first embodiment of the present invention;

Fig. 4: a cross-sectional view of the detection mechanism in the second embodiment of the present invention;

Fig. 5: Schematic diagram of the detection mechanism in the second embodiment of the present invention.

detailed description

The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are included within the protection scope of the present invention.

In the description of the scheme, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " The orientation or positional relationship indicated by "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation , constructed and operated in a particular orientation and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Moreover, in the description of the solution, with the operator as a reference, the direction close to the operator is the proximal end, and the direction away from the operator is the distal end.

As shown in Figures 1 to 5, the present invention discloses a direct-drive imaging and treatment device, which includes a detachably connected handle 1 and a probe 2, the handle 1 has a built-in drive mechanism 3, and the probe 2 has a built-in There is a transducer module 5, the drive mechanism 3 has a rotor 301, the shaft of the rotor 301 is hollow and screwed with a transmission rod 302, the top of the transducer module 5 has a connecting rod 503, the transmission The rod 302 is coaxially and detachably connected to the connecting rod 503, and the rotor 301 drives the transmission rod 302 by rotating to directly drive the transducer module 5 to perform linear reciprocating motion synchronously, and the transducer module 5 An imaging transducer 501 and a treatment transducer 502 are arranged on the end near the transmission window of the probe 2 . The imaging transducer 501 and the treatment transducer 502 are arranged so that imaging can be performed synchronously during treatment to assist users in accurately judging the actual subcutaneous conditions during treatment and to facilitate control of the energy and range of treatment.

Specifically, there is a connecting rod 503 on the top of the transducer module 5, and the connecting rod 503 is integrally formed with the transducer module 5 to ensure the consistency of transmission. Such a structure makes the driving mechanism 3 directly connected with the transducer module 5 through the transmission rod 302 to drive the transducer module 5 to perform linear reciprocating motion. Such a direct drive structure can simplify the internal structure without converting it into linear movement through other components, so that there is a high consistency between the transmission rod 302 and the transducer module 5, which can ensure the drive of the transducer module 5 Fluency of movement, avoiding unnecessary noise and wear caused by connection deviation or stuttering. The transmission rod 302 only needs to add lubricating grease to the joint of its threaded surface, which can reduce the friction coefficient, reduce the wear and tear between it and the rotor itself, and improve the service life; in addition, the direct drive can make the drive mechanism 3 and the transmission The rods 302 are on the same horizontal line, so that the radial movement of the transmission rod 302 is smaller than that of the indirect drive, which can ensure that the transducer module 5 remains on a straight line during high-speed reciprocating motion, so that the transducer module 5 It can collect image signals and apply treatment at the same level and depth of the patient's skin.

In a preferred embodiment, the end of the connecting rod 503 and the end of the transmission rod 302 are both provided with a permanent magnet 6 , and the connection rod 503 and the transmission rod 302 are magnetically connected. The connecting rod 503 is detachably connected to the transmission rod 302 through magnetism. In other feasible embodiments, the connecting rod 503 and the transmission rod 302 may also be detachably connected in other feasible ways known to those skilled in the art, such as setting buckles for snapping.

Further, the probe 2 is provided with a guide rod 7 extending in the same direction as the moving direction of the transducer module 5 , and the transducer module 5 is slidably sleeved on the guide rod 7 . The setting of the guide rod 7 can limit the moving direction of the transducer module 5, the cross-section of the guide rod 7 is preferably rectangular, to prevent the transducer module 5 from shaking or deflecting, and to ensure that the transducer module 5 The imaging transducer 501 and the treatment transducer 502 at the end of the transducer module 5 are kept facing the transmission window of the probe 2 . In other feasible embodiments, the cross section of the guide rod 7 may also be other non-circular structures such as triangles and polygons.

As shown in FIG. 2 , a first elastic body 8 and a second elastic body 9 are respectively provided on both sides of the top of the transducer module 5 , and the extension direction of the first elastic body 8 and the second elastic body 9 and the The moving direction of the transducer module 5 is consistent, and the surfaces of the first elastic body 8 and the second elastic body 9 are formed with wavy folds, so that the first elastic body 8 and the second elastic body 9 follow the The movement of the above-mentioned transducer module 5 is extended and contracted synchronously. The first elastic body 8 and the second elastic body 9 are preferably bellows made of silicone material to generate elastic force on the transducer module 5 through deformation, so as to assist the rapid movement of the transducer module 5 Reset and ensure the stability of the movement of the transducer module 5 .

Both ends of the first elastic body 8 are arranged between the inner wall of the handle 1 and the top of the transducer module 5, and the second elastic body 9 is arranged between the top of the transducer module 5 and the top of the transducer module 5. The tail end of the connecting rod 503 and the second elastic body 9 is sheathed on the connecting rod 503 can save space on the one hand and protect the connecting rod 503 on the other hand.

The handle 1 is provided with a bracket 10, the driving mechanism 3 is arranged on the bracket 10, the driving mechanism 3 is preferably a fixed shaft stepping motor, and the driving mechanism 3 is provided with a detection rod 302 detection mechanism 4 of the motion position. The detection mechanism 4 controls the movement of the drive mechanism 3 by detecting the position of the transmission rod 302 in real time, so as to realize precise positioning of the transducer module 5 .

Since the drive mechanism 3 is a fixed-axis stepping motor, the motion mode of the drive mechanism 3 is acceleration-constant speed-deceleration, which causes the transducer module 5 to be under the control of the detection mechanism 4 In this case, the imaging and treatment points of the transducer module 5 may be dense on both sides and sparse in the middle. The setting of the detection mechanism 4 enables the drive mechanism 3 to control the transmission rod 302 to drive the transducer module 5 to a designated point through the monitoring of the detection mechanism 4. The entire stroke can be divided into several equidistant points, and fixed-point pulse imaging and treatment are performed by detecting the feedback of different points, so as to ensure that the pulse imaging and treatment points of the transducer module 5 are in the acceleration section and the constant velocity section Both the deceleration and deceleration sections are consistent, achieving the purpose of improving the quality of imaging and treatment, helping the user to judge the imaging site, and it is also convenient to accurately locate or restore the original position during use or after interruption.

Specifically shown in Figure 1-3 is the first embodiment of the detection mechanism 4, the detection mechanism 4 includes a linear code disc 401, an encoder 402, a slider 403 and a controller 404, the linear code disc 401 Fixed on the slider 403, the slider 403 is fixed to the tail end of the transmission rod 302, so that the linear code disc 401 moves synchronously with the transmission rod 302, and the encoder 402 is arranged on The bracket 10 is electrically connected to the controller 404, the controller 404 controls the operation of the driving mechanism 3, the linear code disc 401 is slidably mounted in the encoder 402, and the Two ends of the linear code wheel 401 are respectively provided with marking lines 405 , and the encoder 402 controls the reciprocating movement of the transmission rod 302 by detecting the marking lines 405 .

Wherein said linear code wheel 401 is a kind of standard linear coding belt, has multiple different resolutions and lengths, and the material is a polyester film material, and said encoder 402 is matched with said linear code wheel 401, in said When the linear code disc 401 reciprocates linearly, its position is detected in real time and its position output signal is sent to the controller 406, and the controller 406 controls the operation of the driving mechanism 3. When the encoder 402 detects two When the marking line 405 at the end, the controller 406 controls the driving mechanism 3 to run in reverse, so as to realize the reciprocating linear motion of the transmission rod 302 . Such a structure can pre-set the position of the transducer module 5, and precisely control the positioning of the transducer module 5 at the pre-set position, and then perform imaging and treatment. At the same time, the driving mechanism 3 can be controlled to return to the initial position by detecting the marking line 405 on the linear code disc 401 when the imaging or treatment function is completed or the device is unexpectedly powered off.

Further, at least one chute 406 is provided on the slider 403, a positioning block 407 matching the chute 406 is fixedly connected to the bracket 10, and the positioning block 407 is slidably engaged in the chute 406 inside. In the illustrated embodiment, two sets of sliding grooves 406 and positioning blocks 407 are provided on the sliding member 402 to enhance the stability of the sliding member 403 moving. The positioning block 407 can be any block that can be matched with the sliding groove 406. In a preferred embodiment, the positioning block 407 is a shoulder bolt for easy assembly and disassembly. The sliding member 403 is made of a material with good lubricity, for example, polyoxymethylene is added with Teflon to reduce the friction noise and wear between it and the positioning block 407, so as to ensure that the sliding member 403 slides fluency and bass.

The second embodiment of the detection mechanism 4 is shown in Fig. 4-5. In the second embodiment, the detection mechanism 4 includes an electrically connected photoelectric sensor 408 and a controller 404, the photoelectric sensor 408 is fixed on the bracket 10, and the transmission rod 302 passes through the photoelectric sensor 408. Between the light-emitting end 409 and the light-receiving end 410 of the sensor 408, and the transmission rod 302 is located on the same horizontal line as the light-emitting end 409 and the light-receiving end 410, a set of shafts can be arranged along the extending direction of the transmission rod 302 so that The light beam emitted by the light emitting end 409 passes through the through hole 303 , and the controller 404 controls the operation of the driving mechanism 3 .

Its working principle is: when the driving mechanism 3 drives the transmission rod 302 to do reciprocating linear motion, when the through hole 303 on the transmission rod 302 is facing the light emitting end 409, the light emitting end The light beam emitted by 409 will pass through the through hole 303 to the light receiving end 410. At this time, the light receiving end 410 will send a position signal to the controller 406 after receiving the light beam. By judging the number of received light beams The number of the through holes 303 passing through is judged, thereby judging the displacement of the transmission rod 302 to determine the position of the transducer module 5 .

In the second embodiment, the through holes 303 are evenly distributed on the transmission rod 302 with the same size. In other feasible embodiments, the diameters of the through holes 303 may be inconsistent, and the through holes 303 It can be arranged at different distances, and the diameter and shape of the through holes 303 are set inconsistently, which is to change the intensity of the passing light beam, so that the light receiving end 410 can determine which position the through hole 303 is after receiving, thereby judging the position of the through hole 303. The position of the transmission rod 302.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of the feasible implementation modes of the present invention, and they are not intended to limit the protection scope of the present invention. All changes should be included within the protection scope of the present invention.

Claims (10)

1. A direct-drive imaging and treatment device, including a detachably connected handle (1) and a probe (2), characterized in that: the handle (1) has a built-in drive mechanism (3), and the probe (2) A transducer module (5) is built in, the drive mechanism (3) has a rotor (301), the shaft of the rotor (301) is hollow and is screwed with a transmission rod (302), and the transducer module ( 5) There is a connecting rod (503) on the top, the transmission rod (302) is detachably connected coaxially with the connecting rod (503), and the rotor (301) drives the transmission rod (302) by rotating ) directly drives the transducer module (5) to perform linear reciprocating motion synchronously, and the end of the transducer module (5) close to the transmission window of the probe (2) is provided with an imaging transducer (501) and therapy transducer (502). 2. The direct-drive imaging and treatment device according to claim 1, characterized in that: the end of the connecting rod (503) and the end of the transmission rod (302) are both provided with a permanent magnet (6) , the connecting rod (503) and the transmission rod (302) are magnetically connected. 3. The direct-drive imaging and treatment device according to claim 2, characterized in that: the probe (2) is provided with a guide rod ( 7), the transducer module (5) is slidably sleeved on the guide rod (7). 4. The direct-drive imaging and treatment device according to claim 3, characterized in that the cross-section of the guide rod (7) is rectangular. 5. The direct-drive imaging and treatment device according to claim 3, characterized in that: the first elastic body (8) and the second elastic body ( 9), the extension direction of the first elastic body (8) and the second elastic body (9) is consistent with the moving direction of the transducer module (5), and the first elastic body (8) and the second elastic body Wavy folds are formed on the surface of the two elastic bodies (9), so that the first elastic body (8) and the second elastic body (9) expand and contract synchronously with the movement of the transducer module (5). 6. The direct-drive imaging and treatment device according to claim 5, characterized in that: the second elastic body (9) is sheathed on the connecting rod (503). 7. The direct-drive imaging and treatment device according to any one of claims 1-6, characterized in that: a bracket (10) is arranged inside the handle (1), and the driving mechanism (3) is arranged on the On the bracket (10), the driving mechanism (3) is provided with a detection mechanism (4) for detecting the movement position of the transmission rod (302). 8. The direct-drive imaging and treatment device according to claim 7, characterized in that: the detection mechanism (4) includes a linear code disc (401), an encoder (402), a slider (403) and a controller (404), the linear code disc (401) is fixed on the slider (403), and the slider (403) is fixed to the tail end of the transmission rod (302), so that the linear code The disc (401) moves synchronously with the transmission rod (302), the encoder (402) is arranged on the bracket (10) and is electrically connected with the controller (404), and the controller (404 ) to control the operation of the driving mechanism (3), the linear code disc (401) is slidingly clamped in the encoder (402), and the two ends of the linear code disc (401) are respectively provided with marking lines (405), the encoder (402) controls the reciprocating movement of the transmission rod (302) by detecting the marking line (405). 9. The direct-drive imaging and treatment device according to claim 8, characterized in that: at least one chute (406) is provided on the sliding member (403), and the bracket (10) is fixedly connected with the A positioning block (407) matching the chute (406), the positioning block (407) is slidably locked in the chute (406). 10. The direct-drive imaging and treatment device according to claim 7, characterized in that: the detection mechanism (4) includes an electrically connected photoelectric sensor (408) and a controller (404), the photoelectric sensor ( 408) is fixed on the bracket (10), the transmission rod (302) is passed between the light emitting end (409) and the light receiving end (410) of the photoelectric sensor (408), and the transmission The rod (302) is located on the same horizontal line as the light emitting end (409) and the light receiving end (410), and a set of light emitting rods (409) are arranged on the transmission rod (302) along its extending direction to make the light emitting end (409) emit The through hole (303) through which the light beam passes, and the controller (404) controls the operation of the driving mechanism (3).

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