CN217447933U

CN217447933U - Parabolic focusing and hollow perspective shock wave generator

Info

Publication number: CN217447933U
Application number: CN202220225709.1U
Authority: CN
Inventors: 周永明; 周义昌; 曹峰
Original assignee: Shenzhen New Element Medical Equipment Technology Development Co ltd
Current assignee: Shenzhen New Element Medical Equipment Technology Development Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-09-20
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a parabolic focusing and perspective impulse wave generator of cavity, including reflection cup and a fixed section of thick bamboo, the reflection cup is cup-shaped structure, and reflects the inner wall of cup and be the parabola curved surface, a fixed section of thick bamboo is the tubular structure, a fixed section of thick bamboo runs through the lower terminal surface of reflection cup, and the upper end setting of a fixed section of thick bamboo is inside the reflection cup, the surface middle part of a fixed section of thick bamboo is provided with annular boss, and the lower terminal surface fixed connection of annular boss and reflection cup, the surface of a fixed section of thick bamboo is around being provided with the coil, coil outside cover is equipped with the vibrating diaphragm, and sealing connection between the lower extreme of vibrating diaphragm and the fixed section of thick bamboo, a fixed section of thick bamboo upper end is provided with insulating lid, sealing connection between the middle part of insulating lid and the fixed section of thick bamboo, insulating lid outside and vibrating diaphragm upper end sealing connection. The utility model provides a parabolic focusing and hollow perspective's impulse wave generator, human calculus can receive the effect of this generator pressure and smash, offers convenience for the doctor.

Description

Parabolic focusing and hollow perspective shock wave generator

Technical Field

The utility model relates to a shock wave generator technical field, in particular to parabolic focusing and hollow perspective shock wave generator.

Background

At present, an external shock wave lithotripter is very popular, and shock wave external lithotripsy is a preferred mode for treating urinary calculus.

The shock wave generator in the prior art mainly comprises an electrode for generating arc discharge, a reflecting cavity for generating focusing action on shock waves and an electric appliance box for providing pulse trigger voltage for the discharge electrode. The electrode of the existing pulse generator is easy to ablate, which causes the drift of the treatment focus, thereby affecting the treatment effect and causing the overlarge damage to the human body; the discharge electrode needs to be replaced frequently, which brings inconvenience to the operating doctor.

Practical contents

The main objective of the present invention is to provide a parabolic focusing and hollow perspective impulse wave generator, which can effectively solve the problems in the background art.

In order to realize the purpose, the technical scheme adopted by the utility model is as follows:

a paraboloid focusing and hollow perspective shock wave generator comprises a reflecting cup and a fixed cylinder, wherein the reflecting cup is of a cup-shaped structure, the inner wall of the reflecting cup is a parabolic curved surface, the fixed cylinder is of a cylindrical structure and penetrates through the lower end surface of the reflecting cup, the upper end of the fixed cylinder is arranged in the reflection cup, the middle part of the outer surface of the fixed cylinder is provided with an annular boss, the annular boss is fixedly connected with the lower end face of the reflection cup, the outer surface of the fixed cylinder is provided with a coil in a surrounding manner, the outer side of the coil is sleeved with a vibrating diaphragm, the lower end of the vibrating diaphragm is hermetically connected with the fixed cylinder, the upper end of the fixed cylinder is provided with an insulating cover, the middle part of the insulating cover is connected with the fixed cylinder in a sealing way, the outer side of the insulating cover is connected with the upper end of the vibrating diaphragm in a sealing way, the upper part of the inner wall of the fixed cylinder and the lower part of the inner wall are both provided with pin holes, and the upper end of the reflection cup is hermetically connected with a water bag.

As a further improvement of the scheme, the lower end of the fixed cylinder is fixedly connected with two binding posts, wiring holes are formed between the two binding posts and the annular boss, leads at two ends of the coil are led to the inside of the binding posts from the two pin holes and the two wiring holes respectively, and the two binding posts are connected with the positive pole and the negative pole of the high-voltage capacitor energy storage box respectively.

As a further improvement of the scheme, water is filled between the reflecting cup and the water sac.

As a further improvement of the above solution, the generatrix of the parabolic curved surface of the inner wall of the reflector cup conforms to the generatrix equation x (t) t, y in the x-y rectangular coordinate system ² (t) ═ 2pt, where p is the parabolic coefficient.

As a further improvement of the scheme, the value range of the parabolic coefficient p in the bus equation is 220-280 mm.

As a further improvement of the scheme, the vibrating diaphragm is made of aluminum alloy materials.

Compared with the prior art, this practicality has following beneficial effect:

the utility model discloses a shock wave takes place to make cylindrical coil produce high-tension electric field by high-pressure energy storage capacitor case pulse discharge, high-tension electric field drive metal vibrating diaphragm produces small vibrations, this small vibrations produce the shock wave in aqueous, this shock wave diffuses to the reflector inner chamber along cylindrical coil's diameter direction, the shock wave of each direction assembles in same region in the reflector inner chamber route after the reflection, this regional pressure exceeds 20MPa and forms the treatment focus, human calculus in the focus region can receive the effect of this pressure and smash.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic diagram of the overall structure of a parabolic focusing and hollow perspective impulse wave generator according to the present invention;

fig. 2 is a schematic view of a part of a parabolic focusing and hollow perspective impulse wave generator according to the present invention.

In the figure: 1. a reflective cup; 2. a fixed cylinder; 3. a coil; 4. vibrating diaphragm; 5. an insulating cover; 6. a water bladder; 7. a pin hole; 8. an annular boss; 9. a binding post; 10. and a wiring hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention easily understood and appreciated, the present invention is further described below with reference to the following detailed description.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those skilled in the art.

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

Examples

A paraboloid focusing and hollow perspective shock wave generator is disclosed, as shown in figure 1-2, comprising a reflection cup 1 and a fixed cylinder 2, wherein the reflection cup 1 is of a cup structure, the inner wall of the reflection cup 1 is a parabolic curved surface, the fixed cylinder 2 is of a cylindrical structure, the fixed cylinder 2 penetrates through the lower end surface of the reflection cup 1, the upper end of the fixed cylinder 2 is arranged inside the reflection cup 1, the middle part of the outer surface of the fixed cylinder 2 is provided with an annular boss 8, the annular boss 8 is fixedly connected with the lower end surface of the reflection cup 1, the outer surface of the fixed cylinder 2 is provided with a coil 3 around the fixed cylinder, the outer side of the coil 3 is sleeved with a vibrating diaphragm 4, the lower end of the vibrating diaphragm 4 is hermetically connected with the fixed cylinder 2, the upper end of the fixed cylinder 2 is provided with an insulating cover 5, the middle part of the insulating cover 5 is hermetically connected with the fixed cylinder 2, the outer side of the insulating cover 5 is hermetically connected with the upper end of the vibrating diaphragm 4, the upper part and the lower part of the inner wall of the fixed cylinder 2 are both provided with pin holes 7, the upper end of the reflecting cup 1 is hermetically connected with a water sac 6.

In the further embodiment of the utility model, two terminals 9 of 2 lower extreme fixedly connected with of solid fixed cylinder, all be provided with wiring hole 10 between two terminals 9 and the annular boss 8, the lead wire at 3 both ends of coil is led to terminal 9 inside from two pin holes 7 and two wiring holes 10 respectively, and two terminals 9 meet with the positive and negative poles of high-voltage capacitor energy storage case respectively, and pulse through high-voltage capacitor energy storage case discharges and makes coil 3 produce high-tension electric field.

In the further embodiment of the present invention, water is filled between the reflection cup 1 and the water bag 6, the vibration of the diaphragm 4 in water generates shock waves, the shock waves are diffused to the inner wall of the reflection cup 1 along the diameter direction of the coil 3, and the inner wall of the reflection cup 1 is a parabolic curved surface, so that the shock waves can be converged on the focus F of the parabolic curved surface through the reflection of the inner wall of the reflection cup 1.

In a further embodiment of the present invention, the generatrix of the parabolic curved surface of the inner wall of the reflector cup 1 conforms to the generatrix equation x (t) t, y in the x-y rectangular coordinate system ² (t) ═ 2pt, (which can also be expressed in the form of the general equation: y (x)) ² 2px), where p is a parabolic coefficient, and the axis of the stationary cylinder 2 forms an angle of 2.5 degrees with the y-axis of the coordinate system in which the generatrix equation is located.

The utility model discloses a further embodiment, parabola coefficient p value range is 220 ~ 280mm in the bus equation, when parameter p value 250mm, the opening part of the cup-shaped structure of reflection cup 1 is 140mm to focus F's distance, focus regional pressure at this moment surpasss 20Mpa and forms the treatment focus, human calculus in focus region can receive this pressure effect and smash, in addition, through the value that changes parameter p, can adjust the scope in focus region and the size of focus.

In a further embodiment of the present application, the diaphragm 4 is made of an aluminum alloy material.

In conclusion, the shock wave of the present application is generated by pulse discharge of the high voltage energy storage capacitor box to generate a high voltage electric field in the cylindrical coil 3, the high voltage electric field drives the metal diaphragm 4 to generate a small shock wave, the small shock wave generates a shock wave in water, the shock wave is diffused to the inner cavity of the reflector 1 along the diameter direction of the cylindrical coil 3, the shock waves in all directions are converged in the same region through the reflected path in the inner cavity of the reflector 1, the pressure in the region exceeds 20MPa to form a therapeutic focus, and the human body calculi in the focus region can be crushed under the action of the pressure.

The foregoing shows and describes the general principles and features of the present invention and its advantages. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the present invention is defined by the appended claims and equivalents thereof.

Claims

1. A parabolic focusing and hollow perspective shock wave generator comprises a reflecting cup (1) and a fixed cylinder (2), and is characterized in that: the reflection cup (1) is of a cup-shaped structure, the inner wall of the reflection cup (1) is a parabolic curved surface, the fixed cylinder (2) is of a cylindrical structure, the fixed cylinder (2) penetrates through the lower end face of the reflection cup (1), the upper end of the fixed cylinder (2) is arranged inside the reflection cup (1), the middle of the outer surface of the fixed cylinder (2) is provided with an annular boss (8), the annular boss (8) is fixedly connected with the lower end face of the reflection cup (1), the outer surface of the fixed cylinder (2) is provided with a coil (3) in a surrounding manner, the outer side of the coil (3) is sleeved with a vibrating diaphragm (4), the lower end of the vibrating diaphragm (4) is in sealing connection with the fixed cylinder (2), the upper end of the fixed cylinder (2) is provided with an insulation cover (5), the middle of the insulation cover (5) is in sealing connection with the fixed cylinder (2), the outer side of the insulation cover (5) is in sealing connection with the upper end of the vibrating diaphragm (4), the upper part and the lower part of the inner wall of the fixed cylinder (2) are provided with pin holes (7), and the upper end of the reflection cup (1) is hermetically connected with a water bag (6).

2. The parabolic focusing and hollow perspective shockwave generator of claim 1, wherein: two terminals (9) of solid fixed cylinder (2) lower extreme fixedly connected with all are provided with wiring hole (10) between two terminals (9) and annular boss (8), lead wire at coil (3) both ends is led to terminal (9) inside from two pin holes (7) and two wiring holes (10) respectively, two terminal (9) meet with the positive and negative two poles of high-voltage capacitor energy storage box respectively.

3. The parabolic focusing and hollow perspective shockwave generator of claim 1, wherein: and water is filled between the reflection cup (1) and the water bag (6).

4. The parabolic focusing and hollow perspective shockwave generator of claim 1, wherein: the generatrix of the parabolic curved surface of the inner wall of the reflecting cup (1) conforms to a generatrix equation x (t) t, y in an x-y rectangular coordinate system ² (t) ═ 2pt, where p is the parabolic coefficient.

5. The parabolic focusing and hollow perspective shockwave generator of claim 4, wherein: the value range of the parabolic coefficient p in the bus equation is 220-280 mm.

6. The parabolic focusing and hollow perspective shockwave generator of claim 1, wherein: the vibrating diaphragm (4) is made of an aluminum alloy material.