TWI692349B - Focused ultrasound probe - Google Patents

Abstract

A focused ultrasonic probe includes a casing, a flexible membrane, a control device and a transmitter, wherein the top of the casing has an opening, and the opening communicates with the inside and the outside of the casing; the flexible membrane is combined with the casing and closed Opening; the control device includes a guide mechanism and a moving member, and the guide mechanism is disposed inside the housing and includes a first guide rail and a second guide rail, and the first guide rail moves along the second guide rail, and the moving member moves along the first The guide rail moves; the transmitter is located inside the housing and is combined with the moving part, and is used to generate ultrasonic waves. By this, when the subcutaneous target tissue area is large, the transmitter can move horizontally inside the housing, and the transmitter emits Ultrasound can still focus on the same horizontal position of the subcutaneous target tissue to achieve better treatment effect on the subcutaneous target tissue.

Description

Focused ultrasound probe

The invention relates to focused ultrasound; in particular, it refers to a focused ultrasound probe.

The known focused ultrasound probe can focus ultrasound to form strong energy. When the focused ultrasound probe is placed on the surface of the human skin, it can send the ultrasound energy to the subcutaneous tissue of the human body and target the subcutaneous tissue Rapid heating to destroy the target tissues under the skin, and then promote collagen regeneration or cellulite. As shown in FIG. 1, the conventional focused ultrasonic probe includes a housing 1, a shaft 2 and a transmitter 3, wherein the housing 1 has a first opening 1a and a second opening 1b; the shaft 2 is pivotally connected to the housing 1 in a pivotable manner, and the end of the shaft 2 near the first opening 1a is the control member 2a, and the end near the second opening 1b is connected to the transmitter 3, and the membrane 4 is closed Second opening 1b.

When the user emits ultrasonic waves through the transmitter 3 to process the subcutaneous target tissue 5a under the skin 5, the user can control the operating member 2a through an external control device (not shown) to pivot the shaft 2 and launch The device 3 will swing at the same time as the shaft 2 pivots. In addition, when the conventional focused ultrasonic probe is positioned, the transmitter 3 can change its ultrasonic transmission position through pivoting, and then process the subcutaneous target tissue 5a.

However, when the shaft 2 is controlled by the pivot, the transmitter 3 will swing in an arc-shaped trajectory, and when the transmitter 3 swings to both sides of the central part (shown by the imaginary line in the figure), it will not be able to focus on the intended The subcutaneous target tissue 5a makes the treatment effect less than expected.

In view of this, the object of the present invention is to provide a focused ultrasound probe that enables the transmitter to move in the horizontal direction.

In order to achieve the above object, a focused ultrasound probe provided by the present invention includes a housing, a flexible membrane, a control device, and a transmitter, wherein the top of the housing has an opening, and the opening communicates with the housing The flexible membrane is coupled to the casing and closes the opening; the control device includes a guide mechanism and a moving member, and the guide mechanism is disposed inside the casing and includes At least one first guide rail and at least one second guide rail, the first guide rail and the second guide rail are arranged in a non-parallel manner, and the first guide rail moves along the second guide rail, and the moving member is along the first guide rail A guide rail moves; the transmitter is located inside the casing and is combined with the moving part, and the transmitter is used to generate ultrasonic waves.

The effect of the present invention is that the transmitter can move horizontally inside the casing, so that when the transmitter is moved, the ultrasonic waves emitted by the transmitter can still be focused on the subcutaneous target tissue to achieve a better treatment effect on the subcutaneous target tissue.

In order to explain the present invention more clearly, the preferred embodiments are described in detail below with reference to the drawings. Please refer to FIGS. 2 to 4, which is a focused ultrasonic probe 100 according to a first preferred embodiment of the present invention, which includes a housing 10, a flexible film 20, a pressing frame 30, and a control device 40 50 with a launcher.

The top and bottom of the housing 10 have openings 12, 14, respectively, and the openings 12, 14 communicate with the inside of the housing 10 and the outside of the housing 10, respectively. The opening 14 at the bottom of the housing 10 is closed by a film 60.

The flexible film 20 is used to close the opening 12 on the top of the housing 10, and the inner surface 22 and the outer surface 24 of the flexible film 20 protrude away from the flexible thin 20 respectively to form a docking seat 26, 28. In this embodiment, the material of the flexible film 20 is silicone rubber, and the docking seats 26, 28 may be made of different materials from the flexible film 20 and have non-deformability, such as plastic, butt joint The seats 26 and 28 are preferably an integrally formed structure and are respectively provided with insertion holes 262 and 282. When the docking seats 26 and 28 are an integrally formed structure, they are located in the middle of the flexible film 20.

The pressing frame 30 abuts against the abutting surface 16 of the periphery of the opening 12, so that the inner surface 22 and the outer surface 24 of the flexible film 20 are the abutting surface 16 of the housing 10 and the bottom surface 32 of the pressing frame 30 are sandwiched up and down Arrive. In other embodiments, it is not limited to use the pressing frame 30 to clamp the flexible film 20, and the flexible film 20 may be directly combined with the housing 10 by means of adhesive means or high-frequency technology.

The control device 40 includes a guide mechanism 42, a moving member 44 and a control member 46. The guide mechanism 42 is disposed inside the housing 10 and close to the top of the housing 10. In this embodiment, the guide mechanism 42 It includes a first guide rail 422 and two second guide rails 424, and the first guide rail 422 and the second guide rail 424 are connected in a non-parallel manner. As shown in FIG. 3, the second guide rails 424 are parallel to each other and are separated by a distance. The guide rail 422 is arranged perpendicular to the second guide rail 424, wherein the distance between the two second guide rails 424 is greater than the length of the first guide rail 422, and the length of the first guide rail 422 is preferably greater than the opening 14 diameter. In addition, two sliding sleeves 48 are respectively provided on both ends of the first guide rail 422, and the sliding sleeves 48 are respectively sleeved on the corresponding second guide rails 424, so that the first guide rail 422 can move along the track of the second guide rail 424.

In this embodiment, the moving member 44 is made of plastic and has an integrated structure including an auxiliary rod 442, a sleeve 444 and a driven rod 446, wherein the sleeve 444 has opposite upper and lower sides, and the upper side is connected to the auxiliary rod 442, a driven rod 446 is connected to the lower side, and one end of the auxiliary rod 442 is inserted into the insertion hole 262 of the docking station 26, and one end of the driven rod 446 is combined with the transmitter 50. In addition, the sleeve 444 has a transverse penetration hole At 444a, the first guide rail 422 passes through the perforation 444a so that the moving member 44 can move along the long axis of the first guide rail 422.

The manipulating member 46 is located outside the flexible film 20 and one end is inserted into the insertion hole 282 of the docking seat 28 formed on the outer surface, and when the manipulating member 46 is manipulated and moved, it will drive the mobile member 44 to move through the docking seats 26, 28 , Wherein, when the docking stations 26 and 28 are manipulated and moved, the flexible film 20 is pulled or squeezed, and the flexible film 20 is deformed, whereby the flexible film 20 can still close the opening 12 of the housing 10 So that the liquid in the housing 10 for lowering the temperature of the emitter 50 will not leak out of the housing 10 through the opening 12.

The transmitter 50 is located inside the housing 10, and the ultrasonic waves emitted by the transmitter 50 pass through the thin film 60 at the bottom of the housing 10 to perform ultrasonic processing on the subcutaneous target tissue 6a under the human skin 6. In addition, since the guide mechanism 42 supports the moving member 44, the operating member 46, and the emitter 50, the flexible membrane 20 can be maintained in a good horizontal tension state, and is not affected by the moving member 44, the operating member 46, or the The weight of the transmitter 50 or the like is improperly deformed by being pulled down.

Thereby, when the area of the subcutaneous target tissue 6a is large, the transmitter 50 can be moved in the horizontal direction by the control device 40, so that when the ultrasonic wave emitted by the transmitter 50 is transmitted to the subcutaneous target tissue 6a, the Ultrasound can still focus on the subcutaneous target tissue 6a, which is better than the pivoting method used in the prior art when swinging the transmitter, which will cause the ultrasonic wave emitted by the transmitter to deviate from the subcutaneous target tissue 6a.

Please refer to FIG. 5, which is a focused ultrasonic probe 200 according to a second preferred embodiment of the present invention. The difference from the focused ultrasonic probe 100 is that the number of the first guide rails 70 is two, and they are arranged in parallel. A pulley 72 is provided at each end of the first guide rail 70, and the sleeve 80 has two perforations 82 for the first guide rail 70 to pass through. In addition, each second guide rail 90 has a straight guide slot 92 And the pulley 72 on the same side of the two first guide rails 70 is disposed in the same one of the guide grooves 92 and can move along the corresponding one of the guide grooves 92.

Therefore, when the transmitter 50 is moved, because the friction between the pulley 72 and the second guide rail 424 is small, the transmitter can be moved more easily when the transmitter 50 is controlled to move.

Please refer to FIG. 6 and FIG. 7 for a focused ultrasonic probe 300 according to the third preferred embodiment of the present invention. The difference from the focused ultrasonic probe 100 and the focused ultrasonic probe 200 is that the focused ultrasonic The surface of the flexible membrane 110 used in the sonic probe 300 is formed with a plurality of convex portions 112 protruding outward from the housing 10, and the convex portions 112 are deformed by being pulled or squeezed by the manipulation member 46, because of the provision of the convex portions 112 As a result, the surface area of the flexible film 110 is increased. Therefore, when the operating member 46 is manipulated to move the transmitter 50, the flexible film 110 is pulled or squeezed, and the flexible film 110 increases in surface area. And it can have better scalability. In short, as long as the flexible film has a wrinkle structure, it can achieve an effect similar to the convex portion 112.

In summary, the focused ultrasonic probe of the present invention can be controlled to move the transmitter in a horizontal position, and the ultrasonic waves emitted by the transmitter after being moved can still focus on the same horizontal position as the original position.

The above is only the preferred and feasible embodiments of the present invention, and any equivalent changes in applying the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

[Conventional] 1 housing the first opening 1a 1b 2a of the shaft 2 a second opening control member emitter 3 4 5 thin skin 5a subcutaneous target tissue [the present invention] 6 6a skin subcutaneous tissue target 100 focusing ultrasound probe housing 10 12 opening 14 opening 16 abuts against the inner surface 20 of the flexible membrane 22 surface 24 outer surface 26 abutting the seat 42 is turned 262 socket 282 socket dock 28 30 32 bottom surface 40 press frame mechanism 422 of the first shift control device 424 of the second rail Guide rail 44 moving parts 442 auxiliary rod 444 shaft sleeve 444a perforation 446 follower rod 446 follower rod 46 transmitter 60 film 200 focus type ultrasonic probe 70 first guide rail 72 guide groove 82 guide rail 72 pulley 80 shaft guide 82 Type ultrasonic probe 110 flexible film 112 convex part

FIG. 1 is a schematic diagram of a conventional ultrasonic probe; FIG. 2 is a perspective view of a focused ultrasonic probe of the first preferred embodiment of the present invention; FIG. 3 is a cross-sectional view in the direction 2-3 of FIG. 2; FIG. 4 is a diagram 4 of FIG. -4 cross-sectional view; Figure 5 is a cross-sectional view of a focused ultrasonic probe of the second preferred embodiment of the present invention; Figure 6 is a cross-sectional view of the focused ultrasonic probe of the third preferred embodiment described above; Figure 7 is a schematic diagram, After the focused ultrasound probe is moved by manipulation, the flexible membrane is deformed by being squeezed or pulled.

100 focusing ultrasonic probe 10 housing 20 flexible membrane 30 pressing frame 40 control device

Claims (8)

A focused ultrasonic probe includes: a housing with an opening at the top, the opening communicating with the inside of the housing and the outside of the housing; a flexible membrane is coupled to the housing and closes the opening; A manipulation device includes: a guide mechanism, which is disposed inside the housing and includes at least a first guide rail and at least a second guide rail, the first guide rail and the second guide rail are disposed in a non-parallel manner, wherein the first A guide rail moves along the second guide rail; a moving member moves along the first guide rail; a transmitter is located inside the housing and is combined with the moving member, the transmitter is used to generate ultrasonic waves; and a A manipulator, which is located outside the flexible membrane and is used to drive the displacement of the moving member, wherein the moving manipulator causes the flexible membrane to deform. The focused ultrasonic probe according to claim 1, wherein a pair of docks are formed on the inner surface and the outer surface of the flexible membrane, one end of the manipulation member is inserted into the docking dock formed on the outer surface, and one end of the moving member It is inserted into the docking station formed on the inner surface, and the other end of the moving member is combined with the emitter. The focused ultrasonic probe according to claim 1, wherein a plurality of convex portions protruding toward the outside of the housing are formed on the surface of the flexible film, and the convex portions are deformed by being pulled or squeezed by the control member. The focused ultrasonic probe according to claim 1, comprising a pressing frame, which is coupled to the housing, and is arranged along the periphery of the opening and presses the flexible film. The focused ultrasonic probe according to claim 4, wherein the housing has an abutment surface disposed along the periphery of the opening, and the bottom surface of the pressing frame and the abutment surface respectively sandwich the outer surface of the flexible film With inner surface. The focused ultrasonic probe according to claim 1, wherein the number of the at least one second guide rail is two and is arranged at a distance, and two ends of the first guide rail are respectively provided with a sliding sleeve, and the sliding sleeve is provided on the corresponding On the second rail. The focused ultrasonic probe according to claim 1, wherein the number of the at least one second guide rail is two and is arranged at a distance, each of the second guide rails has a guide groove, and two ends of the first guide rail are respectively provided There is a pulley, and the pulley moves along a corresponding one of the guide grooves. The focused ultrasonic probe according to claim 6 or 7, wherein the moving member includes a driven rod and a shaft sleeve, one end of the driven rod is combined with the transmitter, and the shaft sleeve is disposed on the driven rod and sleeved On the first guide rail, the bushing moves along the first guide rail.

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