CN216180200U

CN216180200U - Device for mounting transducer

Info

Publication number: CN216180200U
Application number: CN202122619968.0U
Authority: CN
Inventors: 李益民; 杨文明; 杨林; 赵志刚
Original assignee: Hunan Handlike Minimally Invasive Surgery Co ltd
Current assignee: Hunan Handlike Minimally Invasive Surgery Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-05
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a device for mounting an energy converter, which comprises a manual punching machine, an upper guide block and a lower guide block, wherein the upper guide block is fixedly connected with a punch of the manual punching machine, and the lower guide block is arranged between an energy converter vibrator and an energy converter grab handle assembly and then is placed on a bearing table; the upper guide block is provided with an inner hole with a downward opening, the inner hole comprises an upper inner circular hole and a lower inner circular hole which are concentrically arranged, the inner diameter of the upper inner circular hole is smaller than that of the lower inner circular hole, the lower upper inner circular hole is in clearance fit with the outer surface of the far end of the transducer oscillator, and the inner hole of the lower end of the upper guide block is in clearance fit with the outer circle of the far end inner hole of the transducer grab handle assembly; the lower guide block is provided with an inner circular hole which is opened upwards, the inner circular hole is in clearance fit with the near end of the transducer oscillator, and the excircle of the upper end of the lower guide block is in clearance fit with the near end inner hole of the transducer grab handle assembly. According to the utility model, the upper and lower guide blocks are arranged between the transducer oscillator and the transducer grab handle assembly, so that the transducer oscillator is not inclined when the transducer is installed, and the service performance and safety and effectiveness of the product are improved.

Description

Device for mounting transducer

Technical Field

The utility model relates to a device for mounting a transducer, belongs to the technical field of medical instrument processing, and particularly relates to a device for guiding and mounting a transducer oscillator and a transducer handle.

Background

The medical ultrasonic scalpel operation system can cut, separate and coagulate blood of tissues in surgical medical operations, and has been widely used due to its advantages of small wound after operation, fast recovery, hemostasis and the like. The ultrasonic knife operation system is composed of an ultrasonic knife, an energy converter and a host, wherein the ultrasonic knife is connected with the energy converter through a threaded joint, the energy converter is connected with the host through a cable, the energy converter is a key component of the ultrasonic knife operation system, the working principle of the ultrasonic knife operation system is that electric energy transmitted by the host is converted into mechanical motion ultrasonic waves, and then the mechanical motion ultrasonic waves are transmitted to a knife bar of the ultrasonic knife, so that the knife bar is driven to vibrate at high frequency, and finally the ultrasonic knife operation system is used for cutting, separating, stopping bleeding and the like of tissues.

The transducer consists of a transducer vibrator and a transducer handle, and the transducer handle consists of a transducer head end component, a transducer grab handle component and a transducer wire inlet head component; the transducer vibrator mainly comprises an amplitude transformer and a piezoelectric ceramic piece. In the existing assembly process, the transducer vibrator is placed in the transducer grab handle component, then the transducer head component is placed on the transducer grab handle component and the transducer vibrator, the transducer head component, the transducer grab handle component and the transducer lead-in wire component are in interference fit, so the transducer head component and the transducer grab handle component need to be respectively pressed and assembled through a manual punch, the transducer head component and the transducer grab handle component are collectively called as a transducer handle, the pressing and assembling process easily causes the transducer vibrator to be inclined in the transducer handle, a waveguide cutter bar of an ultrasonic knife is connected and screwed with the transducer through a threaded joint, the inclination of the transducer vibrator causes the ultrasonic knife not smooth or certain resistance when the angle of the waveguide cutter bar is adjusted in the operation process, great inconvenience is brought to doctors, and the stress on a connecting thread part between the waveguide cutter bar and the transducer is not uniform, abnormal sound can be generated, the use performance of the product is influenced, the operation quality is influenced, and the operation risk is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above, the main object of the present invention is to provide a device for mounting a transducer, which prevents the transducer vibrator from being tilted during the mounting process of the transducer handle. The specific technical scheme is as follows.

An apparatus for transducer mounting, a transducer comprising a transducer element, a transducer head assembly, and a transducer handle assembly, comprising: the energy converter comprises a manual punching machine, an upper guide block and a lower guide block, wherein the upper guide block is fixedly connected with a punch of the manual punching machine, and the lower guide block is arranged between an energy converter vibrator and an energy converter grab handle assembly and is placed on a bearing table;

the upper guide block is provided with an inner hole with a downward opening, the inner hole comprises an upper inner circular hole and a lower inner circular hole which are concentrically arranged, the inner diameter of the upper inner circular hole is smaller than that of the lower inner circular hole, the upper inner circular hole is in clearance fit with the outer surface of the far end of the transducer oscillator, and the lower inner circular hole of the upper guide block is in clearance fit with the outer circle of the far end of the transducer head end component;

the lower guide block is provided with an inner circular hole which is opened upwards, the inner circular hole is in clearance fit with the near end of the transducer oscillator, and the excircle of the upper end of the lower guide block is in clearance fit with the near end inner hole of the transducer grab handle assembly.

By adopting the technical scheme, the lower guide block is arranged between the transducer oscillator and the transducer grab handle component and then is placed on the bearing table together, and the near end (lower end) of the transducer grab handle component is abutted against the bearing table and is in a vertical state; then fix the top guide block on the drift of manual punch press, the hole of top guide block aims at the distal end (upper end) of transducer oscillator, then operating personnel makes top guide block move down through operating manual punch press, the horizontal step face between the upper inner circle hole and the lower inner circle hole of top guide block butts against the terminal surface of the transducer head subassembly distal end (upper end), continue letting drift move down, can cover transducer head subassembly cover on the transducer oscillator, transducer head subassembly and transducer grab handle subassembly butt constitute the transducer handle together, and top guide block and lower guide block keep its position from the upper and lower both ends of transducer oscillator, ensure that the transducer oscillator is in the guide state, prevent that the transducer oscillator from taking place slope (skew) for transducer grab handle subassembly.

The far end and the near end are far ends and near ends respectively, wherein the far end is far away from an operator and the near end is a near end when the ultrasonic scalpel is used.

Further, the upper guide block is also provided with a fixing part protruding upwards, and the fixing part is used for extending into an inner hole of the punch. After the fixing part extends into the inner hole of the punch, the fixing part and the punch can be fixed by fasteners such as screws, so that the upper guide block can be detachably fixed on the punch.

Furthermore, the fit clearance of the upper guide block, the transducer oscillator and the transducer head end component is 0.02-0.1 mm.

Further, the lower guide block is also provided with a handheld part protruding downwards. After the transducer oscillator is installed, an operator can pull the lower guide block out of the transducer grab handle assembly through the handheld portion.

Furthermore, the fit clearance of the lower guide block, the transducer oscillator and the transducer grab handle assembly is 0.02-0.1 mm.

Further, the lower guide block is provided with a notch or a through hole for accommodating a copper sheet pin and a conductive wire of the transducer oscillator.

Further, the bearing table comprises a main body part and a cushion block, the main body part is provided with a groove for accommodating the cushion block, and the bottom of the groove is provided with an avoidance notch for avoiding the handheld part; the cushion block is provided with a through hole for the handheld part and the conducting wire to pass through.

Further, the cushion block comprises two symmetrically arranged parts. Preferably, the cushion block is made of polyethylene, polypropylene, POM or polyurethane.

The utility model has the beneficial effects that: the upper and lower guide blocks are arranged between the transducer vibrator and the transducer handle, so that the transducer vibrator is not inclined when the transducer is installed, and the service performance and safety and effectiveness of a product are improved; in addition, the cushion block is arranged on the bearing table, so that the transducer handle is prevented from being scratched by other parts, the appearance quality of a transducer product is ensured, and the production efficiency of the product is improved.

Drawings

FIG. 1 is a schematic illustration of the present invention in use;

FIG. 2 is a partial cross-sectional view of the present invention in use;

FIG. 3 is a cross-sectional view of an upper guide block of the present invention;

FIG. 4 is a schematic structural diagram (top view) of a lower guide block according to the present invention;

FIG. 5 is a schematic structural view (bottom view) of the lower guide block of the present invention;

FIG. 6 is a schematic structural view of a bearing table;

FIG. 7 is a partial schematic view of a load bearing table body;

FIG. 8 is a schematic view of an exemplary construction of the spacer of the present invention;

fig. 9 is a schematic view of another exemplary construction of the spacer of the present invention.

In the figure: the device comprises a manual punching machine 1, an upper guide block 2, a transducer vibrator 3, a transducer grab handle component 4, a transducer head component 4.1, a bearing table 5, a lower guide block 6, an upper inner circular hole 7, a lower inner circular hole 8, a fixing part 9, a handheld part 10, a notch 11, a groove 12, a cushion block 13, a through hole 14, a punch 15, a horizontal step surface 16, a main body part 17, a copper sheet pin 18, an inner circular hole 19, an outer circle 20, an avoiding notch 21, a through hole 22 and a groove 23.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

As shown in FIGS. 1 to 9, an apparatus for transducer mounting, the transducer including a transducer vibrator 3, a transducer head assembly 4.1 and a transducer handle assembly 4, the apparatus for transducer mounting including a manual punch 1, an upper guide block 2 and a lower guide block 6, the upper guide block 2 is fixed on a punch 15 of the manual punch 1 by screws, the lower guide block 6 is mounted between the transducer vibrator 3 and the transducer handle assembly 4, the transducer vibrator 3 and the transducer handle assembly 4 with the lower guide block 6 mounted thereon are placed on a pad 13 on a bearing table 5 in a vertical state, the upper guide block is fixed on the punch 15 of the manual punch, an inner hole of the upper guide block is aligned with a distal end (upper end) of the transducer vibrator, and then an operator operates the manual punch 1 to move the upper guide block 2 downward, and a horizontal step 16 between an inner circular hole 7 of the upper guide block 2 and an inner circular hole 8 of the lower guide block abuts against a horizontal step 16 of the transducer head assembly 4 The terminal surface of the distal end (upper end) of subassembly 4.1 continues to let drift 15 move down, can establish transducer head subassembly 4.1 cover on transducer oscillator 3, and transducer head subassembly 4.1 constitutes the transducer handle with transducer grab handle subassembly 4 butt together to go up and lead positive piece 2 and lead positive piece 6 down and keep its position from transducer oscillator 3's upper and lower both ends, ensure that transducer oscillator 3 is in leading the positive state, prevent that transducer oscillator 3 from taking place slope (skew) for transducer grab handle subassembly 4.

As shown in fig. 3, the upper guide block 2 has a fixing portion 9 protruding upward, the fixing portion 9 is configured to extend into the inner hole of the punch 15, and after the fixing portion 9 extends into the inner hole of the punch 15, the fixing portion 9 and the punch 159 may be fixed by a fastener such as a screw, so that the upper guide block 2 may be detachably fixed to the punch 15. The upper guide block 2 is provided with an inner hole with a downward opening, the inner hole comprises an upper inner circular hole 7 and a lower inner circular hole 8 which are concentrically arranged, the inner diameter of the upper inner circular hole 7 is smaller than that of the lower inner circular hole 8, the upper inner circular hole 87 is in clearance fit with the outer surface of the far end of the transducer oscillator 3, and the fit clearance is 0.02-0.1 mm; the lower inner circular hole 8 of the upper guide block 2 is in clearance fit with the far-end excircle of the transducer head end component 4.1, and the fit clearance is 0.02-0.1 mm. The upper pilot block 62 has a horizontal step surface 16 between the upper inner circular hole 7 and the lower inner circular hole 8. Because of their very small fit clearance and the concentricity between the upper inner circular hole 7 and the lower inner circular hole 8, the upper guide block 2 can center and limit the transducer vibrator 3 in the transducer grip assembly 4, thereby ensuring that the far end of the transducer vibrator and the transducer grip assembly are not inclined.

As shown in fig. 4, the lower guide shoe 6 has a downwardly protruding grip 10, and when the transducer vibrator 3 is mounted, the operator can pull the lower guide shoe 6 out of the transducer grip assembly 4 through the grip 10. The lower guide block 6 is provided with notches 11 or/and through holes 22 for accommodating copper sheet pins 18 and conductive wires (not shown) of the transducer oscillator 3, the lower guide block 6 is further provided with a groove 12 for placing the conductive wires, when the lower guide block 6 is placed, the two notches 11 on the upper surface of the lower guide block correspond to the two copper sheet pins 18 at the tail end of the transducer oscillator and the conductive wires on the upper surface of the transducer oscillator, the through holes 22 correspond to another conductive wire (not shown), the lower guide block 6 is arranged between the transducer oscillator 3 and the transducer handle component 4, then the extended conductive wires are placed in the groove 12 on the back of the lower guide block 6, and the conductive wires are prevented from being bent and damaged in the process of press mounting of the transducer. The lower guide block 6 is provided with an inner circular hole 19 which is opened upwards, the inner circular hole 19 is in clearance fit with the transducer oscillator 3, the fit clearance is 0.02-0.1mm, the outer circle 20 of the lower guide block 6 is in clearance fit with the transducer handle component 4, and the fit clearance is 0.02-0.1 mm. Because of their fit clearance being very small and the concentricity between the inner circular hole 19 and the outer circle 20, the lower guide block 6 can center the transducer vibrator within the transducer grip assembly, thus ensuring that the proximal end of the transducer vibrator does not skew with the transducer grip assembly.

As shown in fig. 5, the bearing table 5 comprises a main body part 17 and the cushion block 13, the main body part 17 is provided with a groove 23 for accommodating the cushion block 13, and the bottom of the groove 23 is provided with an avoiding notch 21 for avoiding the hand-held part 10; the pad 13 has a through hole 14 for the hand-held part 10 to pass through, and the conductive wire can also pass through the relief notch 21 and the through hole 14. Fig. 8 is a schematic view of an integrally formed cushion block, which may be divided into two symmetrically disposed parts along a center line, as shown in fig. 9. The cushion block 13 is made of engineering plastics or soft rubber, preferably polyethylene PE, polypropylene PP, POM or polyurethane PU. After the transducer is mounted, the lower guide block 6 can be quickly removed by the handpiece 10.

When the transducer is installed, the bearing table 5 is placed on the hand punch 1 and adjusted to a proper position, and in an actual implementation process, the bearing table 5 and the hand punch 1 can be fixed through threads or other methods.

The utility model can prevent the transducer handle from being scratched, ensure the appearance quality of a product and improve the production efficiency of the product, and on the other hand, the utility model adopts a simple structure to limit the transducer oscillator and the front and rear ends of the transducer handle in the middle through the guide block, thereby preventing the transducer oscillator and the transducer handle from deviating in the installation process, ensuring the concentricity between the transducer oscillator and the transducer handle and improving the use performance and safety effectiveness of the product.

The embodiments of the present invention are described above with reference to the drawings, and the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention is not limited to the above-described embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. An apparatus for transducer mounting, a transducer comprising a transducer vibrator (3), a transducer head assembly (4.1) and a transducer handle assembly (4), comprising: the energy-saving stamping machine comprises a manual stamping machine (1), an upper guide block (2) and a lower guide block (6), wherein the upper guide block (2) is fixedly connected with a punch (15) of the manual stamping machine (1), and the lower guide block (6) is arranged between an energy converter vibrator (3) and an energy converter grab handle assembly (4) and is placed on a bearing table (5);

the upper guide block (2) is provided with an inner hole with a downward opening, the inner hole comprises an upper inner circular hole (7) and a lower inner circular hole (8) which are concentrically arranged, the inner diameter of the upper inner circular hole (7) is smaller than that of the lower inner circular hole (8), the upper inner circular hole (7) is in clearance fit with the outer surface of the far end of the transducer vibrator (3), and the lower inner circular hole (8) of the upper guide block (2) is in clearance fit with the outer circle of the far end of the transducer head end component (4.1);

the lower guide block (6) is provided with an inner circular hole (19) with an upward opening, the inner circular hole (19) is in clearance fit with the near end of the transducer oscillator (3), and an outer circle (20) at the upper end of the lower guide block (6) is in clearance fit with the near end inner hole of the transducer grip component (4).

2. A device for transducer mounting according to claim 1, wherein the upper guide block (2) further has an upwardly protruding fixing portion (9), the fixing portion (9) being adapted to protrude into the inner bore of the punch (15).

3. An arrangement for transducer mounting according to claim 2, wherein the fit clearance of the up-guide block (2) with the transducer element (3) and the transducer head end assembly (4.1) is 0.02-0.1 mm.

4. A device for transducer mounting according to claim 1, wherein the lower guide shoe (6) further has a downwardly protruding hand grip (10).

5. An arrangement for transducer mounting according to claim 1, characterized in that the fit clearance of the lower guide shoe (6) to the transducer vibrator (3) and the transducer grip assembly (4) is 0.02-0.1 mm.

6. An arrangement for transducer mounting according to claim 1, characterized in that the lower polarization block (6) has indentations (11) or through holes (22) for accommodating copper sheet pins and conductive wires of the transducer element (3).

7. A device for transducer mounting according to claim 4, wherein the load-bearing table (5) comprises a main body portion (17) and a spacer (13), the main body portion (17) having a recess (23) for receiving the spacer (13), the bottom of the recess (23) having an avoidance gap for avoiding the handpiece (10); the cushion block (13) is provided with a through hole (14) for the handheld part (10) and a conducting wire to pass through.

8. A device for transducer mounting according to claim 7, characterized in that the spacer (13) comprises two symmetrically arranged parts.

9. A device for transducer mounting according to claim 8, characterized in that the spacer (13) is made of polyethylene, polypropylene, POM or polyurethane.