CN212234597U - Diversion integral type ultrasonic transducer and ultrasonic surgical instrument - Google Patents
Diversion integral type ultrasonic transducer and ultrasonic surgical instrument Download PDFInfo
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- CN212234597U CN212234597U CN202020425477.5U CN202020425477U CN212234597U CN 212234597 U CN212234597 U CN 212234597U CN 202020425477 U CN202020425477 U CN 202020425477U CN 212234597 U CN212234597 U CN 212234597U
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Abstract
The embodiment of the application discloses diversion integral type ultrasonic transducer and ultrasonic surgical instrument. One specific implementation mode of the turning integrated ultrasonic transducer comprises the following steps: the ultrasonic vibration device comprises at least one group of ultrasonic vibration diaphragms 101, an ultrasonic amplifier 102 and a rear cover plate 103, wherein the at least one group of ultrasonic vibration diaphragms 101 are fixed between the ultrasonic amplifier 102 and the rear cover plate 103, and a cutter bar 104 is arranged at one end of the ultrasonic amplifier 102; the ultrasonic amplifier 102 is an integrally formed structure, the ultrasonic amplifier 102 is a bending structure, and the direction change position of the ultrasonic amplifier 102 is located at the vibration node. The embodiment can reduce the energy loss in the ultrasonic conduction process, improve the transmission efficiency of ultrasonic waves, and also can ensure that the amplitude of the ultrasonic waves at the turning position is zero, thereby reducing the loss of the ultrasonic turning transmission.
Description
Technical Field
The embodiment of the application relates to the technical field of medical instruments, in particular to a turning integrated ultrasonic transducer and an ultrasonic surgical instrument.
Background
In the prior art, the parts of the direction-changing transducer are usually separated, namely a front cover plate and a rear cover plate sandwich the piezoelectric ceramic plate, and ultrasonic energy output by the front cover plate is transmitted to the cutter bar through an amplifier. Meanwhile, the direction-changing output end of the transducer is usually arranged at the foremost end of the transducer (namely the foremost end of the amplifier), in the actual work, the amplitude at the foremost end is the largest, if the end face with the largest amplitude is used for changing the direction of the ultrasonic energy, other noise waves (such as swinging bending waves and the like) are easily generated to influence the normal work of the transducer, and at the moment, the transducer is easy to generate heat and generate fracture phenomena, and the phenomenon that the transducer is not matched with the ultrasonic control generator is caused. Which can affect the life of the transducer and also can cause operational risks due to the failure of the ultrasonic blade system to function properly.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a turning integrated ultrasonic transducer and an ultrasonic surgical instrument, and solves the technical problems mentioned in the background technology.
In a first aspect, an embodiment of the present application provides a turning integrated ultrasonic transducer, which includes: the ultrasonic vibration device comprises at least one group of ultrasonic vibration diaphragms 101, an ultrasonic amplifier 102 and a rear cover plate 103, wherein the at least one group of ultrasonic vibration diaphragms 101 are fixed between the ultrasonic amplifier 102 and the rear cover plate 103, and a cutter bar 104 is arranged at one end of the ultrasonic amplifier 102; the ultrasonic amplifier 102 is an integrally formed structure, the ultrasonic amplifier 102 is a bending structure, and the direction change position of the ultrasonic amplifier 102 is located at the vibration node.
In some embodiments, the knife bar 104 is integrally formed with the ultrasonic amplifier 102.
In some embodiments, the direction change of the ultrasonic amplifier 102 is a distance λ/4+ λ/2 × N1 from the tip of the blade 104, where λ is the vibration wavelength of the integrated ultrasonic transducer and N1 is an integer greater than or equal to 0.
In some embodiments, the knife bar 104 is removably coupled to the ultrasonic amplifier 102.
In some embodiments, the direction change of the ultrasonic amplifier 102 is a distance λ/4+ λ/2 × N2 from the top of the ultrasonic amplifier 102, where λ is the vibration wavelength of the integrated ultrasonic transducer, and N2 is an integer greater than or equal to 0.
In some embodiments, the cross-sectional area of the bending portion 1021 of the ultrasonic amplifier 102 is greater than or equal to the cross-sectional area of the other portion of the ultrasonic amplifier 102 after the direction change.
In some embodiments, the bend angle of the ultrasonic amplifier 102 is equal to or less than 45 degrees.
In some embodiments, at least one set of the ultrasonic vibration member 101, the ultrasonic amplifier 102, the back cover plate 103 and the bar 104 includes a through hole 105 extending in the axial direction.
In some embodiments, the number of the at least one group of the ultrasonic vibration diaphragms 101 is at least two, and the groups of the ultrasonic vibration diaphragms are connected by the ultrasonic conductive block 106.
In a second aspect, embodiments of the present application provide an ultrasonic surgical instrument, including: the ultrasonic scalpel comprises an ultrasonic scalpel main body 901, an excitation switch 902 and an ultrasonic scalpel handle 903, wherein the ultrasonic scalpel handle comprises a turning integrated ultrasonic transducer 9031 described in any embodiment of the first aspect, and the ultrasonic scalpel main body is connected with the excitation switch and the ultrasonic scalpel handle respectively.
The diversion integral type ultrasonic transducer and ultrasonic surgical instrument that this application embodiment provided through setting up ultrasonic amplifier into the integrated into one piece structure, can reduce the energy loss in the ultrasonic conduction process, improve ultrasonic transmission efficiency. The turning position of the amplifier is arranged at the vibration node, so that the amplitude of the ultrasonic wave at the turning position is zero, and the loss of the ultrasonic wave during turning transmission is reduced, thereby further improving the energy transmission efficiency of the ultrasonic transducer with a bending structure and improving the operation effect.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of one embodiment of a direction changing integrated ultrasonic transducer according to the present application;
FIG. 2 is an exemplary schematic view of an integrally formed tool bar and ultrasonic amplifier according to the present application;
FIG. 3 is an exemplary schematic diagram of a transmission waveform of ultrasonic energy at an ultrasonic booster and tool bar according to the present application;
FIG. 4 is an exemplary schematic diagram of a threaded connection change integral ultrasonic transducer according to the present application;
FIG. 5 is an exemplary schematic diagram of a transmission waveform of ultrasonic energy at an ultrasonic amplifier according to the present application;
FIG. 6 is an exemplary schematic illustration of bend angles of a direction changing integral ultrasonic transducer according to the present application;
FIG. 7 is an exemplary schematic diagram of a through-hole of a direction changing integral ultrasonic transducer according to the present application;
FIG. 8 is an exemplary schematic diagram of two sets of ultrasonic vibration pieces of a direction-changing integral ultrasonic transducer according to the present application;
FIG. 9 is a schematic structural view of an embodiment of an ultrasonic surgical instrument according to the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 shows a schematic structural diagram of an embodiment of a direction-changing integrated ultrasonic transducer of the present application. As shown in fig. 1, the direction-changing integrated ultrasonic transducer 100 includes at least one set of ultrasonic vibration reed 101, an ultrasonic amplifier 102, and a back cover 103, wherein the at least one set of ultrasonic vibration reed 101 is fixed between the ultrasonic amplifier 102 and the back cover 103, and one end of the ultrasonic amplifier 102 is provided with a tool holder 104.
Wherein each of the at least one set of ultrasonic vibration reed 101 may include any number of ultrasonic vibration reeds, so that the upper limit of the required ultrasonic energy may be adjusted as required. The at least one set of ultrasonic vibration member 101 and the ultrasonic amplifier 102 may be connected by various means, such as by screwing, pressing, bonding with an adhesive, and the like. The ultrasonic amplifier 102 is generally a metal material, and the ultrasonic vibration member 101 includes an electrode, and when the ultrasonic vibration member is energized, mechanical vibration of a corresponding frequency is generated under the control of the main controller, thereby transmitting ultrasonic energy to the ultrasonic amplifier 102 in contact therewith. Since the ultrasonic amplifier 102 has a certain length, it can amplify the amplitude of the ultrasonic waves generated by at least one set of the ultrasonic vibration reeds 101, thereby increasing the output ultrasonic energy.
In the present embodiment, the ultrasonic amplifier 102 is an integrally formed structure, and the ultrasonic amplifier 102 is a bending structure, and the direction change position of the ultrasonic amplifier 102 is located at the vibration node. Where the vibration node is the position on the ultrasonic amplifier 102 where the amplitude is zero. Since the ultrasonic waves generated by at least one set of the ultrasonic vibration reeds 101 are longitudinal waves, the ultrasonic amplifier 102 includes a plurality of nodes having zero amplitude. The direction change position of the amplifier is arranged at the vibration node, so that the amplitude of the ultrasonic wave at the direction change position is zero, stray waves generated by the ultrasonic wave at the direction change position are reduced, and the energy loss during direction change propagation is reduced.
In this embodiment, the knife bar 104 and the ultrasonic amplifier 102 may be connected together in various ways. For example, the knife bar 104 may be secured to the ultrasonic amplifier 102 by welding, screwing, or the like.
In some alternative implementations of the present embodiment, as shown in fig. 2, the knife bar 104 is integrally formed with the ultrasonic amplifier 102. The integrally formed cutter bar 104 and the ultrasonic amplifier 102 can avoid the loss of ultrasonic energy at the connecting surface after the two are connected, and improve the transmission efficiency of the ultrasonic energy.
In some alternative implementations of the present embodiment, the direction change of the ultrasonic amplifier 102 is a distance λ/4+ λ/2 × N1 from the tip of the tool holder 104. Wherein λ is the vibration wavelength of the integrated ultrasonic transducer, and N1 is an integer of 0 or more. As shown in fig. 2, an inflection point 1021 of the central axis of the amplifier is a direction change point. L1 is the distance from the change in direction of the ultrasonic horn 102 to the tip of the horn 104. As shown in fig. 3, it shows the transmission waveform of ultrasonic energy on the ultrasonic amplifier and the tool bar, wherein the distance from the direction change to the top end of the tool bar is L1, the y-axis represents the amplitude, the x-axis represents the propagation direction of the ultrasonic wave, and the peak and the valley in the figure, i.e., λ/4+ λ/2 × N1, correspond to the position where the amplitude is maximum. This implementation mode can make the amplitude of cutter arbor output maximum, and the ultrasonic energy of output is the biggest promptly to improve ultrasonic energy output efficiency, improve the operation quality. In addition, before the ultrasonic diagnostic apparatus is used, an operator does not need to connect the cutter bar with the ultrasonic amplifier, and the ultrasonic diagnostic apparatus is convenient to use.
In some alternative implementations of the present embodiment, the knife bar 104 is removably coupled to the ultrasonic amplifier 102. As an example, as shown in fig. 4, the connection mode may be a screw connection, and the top end of the ultrasonic amplifier 102 is a screw hole. By detachably connecting the cutter bar 104 and the ultrasonic amplifier 102, the cutter bar can be conveniently installed and detached by an operator, thereby being beneficial to replacing and cleaning the cutter bar and reducing the use cost of the ultrasonic surgical cutter.
In some optional implementations of the present embodiment, the distance between the turning position of the ultrasonic amplifier 102 and the top end of the ultrasonic amplifier 102 is λ/4+ λ/2 × N2, where λ is the vibration wavelength of the integrated ultrasonic transducer, and N2 is an integer greater than or equal to 0. As shown in fig. 4, L2 is the distance from the turning point to the tip of the ultrasonic amplifier 102, and as shown in fig. 5, it shows the transmission waveform of ultrasonic energy on the ultrasonic amplifier, wherein the distance from the turning point to the tip of the ultrasonic amplifier is L2, the y-axis represents the amplitude, and the x-axis represents the propagation direction of the ultrasonic wave. This implementation mode can make the amplitude of ultrasonic amplifier's top the biggest, and the ultrasonic energy of output is the biggest promptly to the energy of conduction to the cutter arbor is the biggest, thereby when having realized convenient dismantlement, improves the output efficiency of ultrasonic energy.
In some optional implementations of this embodiment, as shown in fig. 1, the cross-sectional area of the bending portion 1021 of the ultrasonic amplifier 102 is greater than or equal to the cross-sectional area of the other part of the ultrasonic amplifier 102 after the direction change. This implementation mode can make diversion department bear bigger stress through setting bending part to thicker structure, avoids the fracture phenomenon that leads to because of the stress is too big in the course of the work.
In some alternative implementations of the present embodiment, as shown in fig. 6, the bending angle α of the ultrasonic amplifier 102 is equal to or less than 45 degrees. Generally, when the bending angle is more than 45 degrees, the ultrasonic energy may cause a large energy loss at the change of direction due to an excessively large bending angle, thereby reducing the energy conducted to the tool holder. Therefore, the realization mode can reduce the loss of the ultrasonic energy at the direction change position and improve the output efficiency of the ultrasonic energy.
In some alternative implementations of the present embodiment, as shown in fig. 7, at least one set of the ultrasonic vibration piece 101, the ultrasonic amplifier 102, the back cover plate 103, and the bar 104 includes a through hole 105 extending in the axial direction. The through hole 105 is used for circulating liquid to cool the transducer and the cutter bar, and simultaneously, residues such as bones, soft tissues and the like on the cutter bar can be washed.
In some optional implementations of the present embodiment, the number of the at least one group of the ultrasonic vibration diaphragms 101 is at least two, and the groups of the ultrasonic vibration diaphragms are connected to each other by the ultrasonic conductive block 106. As shown in fig. 8, the at least one group of the ultrasonic vibration reeds 101 includes a first group of the ultrasonic vibration reeds 1011 and a second group of the ultrasonic vibration reeds 1012, and when the respective groups of the ultrasonic vibration reeds are energized and activated, the first group of the ultrasonic vibration reeds 1011 transfers the ultrasonic energy to the ultrasonic transmission block 106, and the ultrasonic transmission block 106 further transfers the ultrasonic energy to the ultrasonic amplifier 102 via the second group of the ultrasonic vibration reeds 1012. Meanwhile, the ultrasonic energy generated by the second group of ultrasonic vibration pieces 1012 is transmitted to the ultrasonic amplifier 102. Thus, two sets of superposed ultrasonic energy can be obtained, the energy for generating ultrasonic waves, namely the ultrasonic energy output by the ultrasonic amplifier 102, is improved, and the operation effect is improved.
The above-mentioned embodiment of this application provides a diversion integral type ultrasonic transducer, through setting up ultrasonic amplifier into the integrated into one piece structure, can reduce the energy loss in the ultrasonic conduction process, improves ultrasonic transmission efficiency. The turning position of the amplifier is arranged at the vibration node, so that the amplitude of the ultrasonic wave at the turning position is zero, and the loss of the ultrasonic wave during turning transmission is reduced, thereby further improving the energy transmission efficiency of the ultrasonic transducer with a bending structure and improving the operation effect.
With further reference to FIG. 9, a schematic structural diagram of one embodiment of an ultrasonic surgical instrument 900 of the present application is shown. The ultrasonic surgical instrument 900 includes: the ultrasonic scalpel comprises an ultrasonic scalpel main body 901, an excitation switch 902 and an ultrasonic scalpel handle 903, wherein the ultrasonic scalpel handle comprises a turning integrated ultrasonic transducer 9031 described in the embodiment of fig. 1, and the ultrasonic scalpel main body is connected with the excitation switch and/or the ultrasonic scalpel handle respectively. The ultrasonic-blade main unit can perform functional configuration on the ultrasonic-blade handle 903, for example, setting output energy. The ultrasonic blade activation switch may include, but is not limited to, at least one of: foot switches, hand switches, etc.
The ultrasonic surgical instrument provided by the above embodiment of the application, through introducing the direction-changing integrated ultrasonic transducer described in the embodiment shown in fig. 1, can reduce the energy loss in the ultrasonic conduction process, improve the transmission efficiency of ultrasonic waves, can also reduce the ultrasonic energy loss at the direction-changing position, improve the energy transmission efficiency of the ultrasonic transducer with a bending structure, and improve the surgical effect.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A turning integrated ultrasonic transducer, comprising: the ultrasonic vibration isolator comprises at least one group of ultrasonic vibration diaphragms (101), an ultrasonic amplifier (102) and a rear cover plate (103), wherein the at least one group of ultrasonic vibration diaphragms (101) are fixed between the ultrasonic amplifier (102) and the rear cover plate (103), and one end of the ultrasonic amplifier (102) is provided with a cutter bar (104);
the ultrasonic amplifier (102) is of an integrally formed structure, the ultrasonic amplifier (102) is of a bending structure, and the direction change position of the ultrasonic amplifier (102) is located at a vibration node.
2. The direction-changing integrated ultrasonic transducer according to claim 1, wherein the tool bar (104) is integrally formed with the ultrasonic amplifier (102).
3. The direction-changing integrated ultrasonic transducer according to claim 2, wherein the distance between the direction-changing position of the ultrasonic amplifier (102) and the top end of the tool holder (104) is λ/4+ λ/2 xN 1, wherein λ is the vibration wavelength of the integrated ultrasonic transducer, and N1 is an integer greater than or equal to 0.
4. The direction-changing integrated ultrasonic transducer according to claim 1, wherein the tool bar (104) is detachably connected with the ultrasonic amplifier (102).
5. The direction-changing integrated ultrasonic transducer according to claim 4, wherein the distance between the direction-changing position of the ultrasonic amplifier (102) and the top end of the ultrasonic amplifier (102) is λ/4+ λ/2 xN 2, wherein λ is the vibration wavelength of the integrated ultrasonic transducer, and N2 is an integer greater than or equal to 0.
6. The direction-changing integrated ultrasonic transducer according to claim 1, wherein the cross-sectional area of the bending part (1021) of the ultrasonic amplifier (102) is larger than or equal to the cross-sectional area of the other part of the ultrasonic amplifier (102) after the direction is changed.
7. The turning integrated ultrasonic transducer according to claim 1, wherein the bending angle of the ultrasonic amplifier (102) is 45 degrees or less.
8. The direction-changing integrated ultrasonic transducer according to claim 1, wherein the at least one set of the ultrasonic vibration piece (101), the ultrasonic booster (102), the back cover plate (103) and the shank (104) include a through hole (105) extending in an axial direction.
9. The direction-changing integrated ultrasonic transducer according to any one of claims 1 to 8, wherein the number of the at least one group of the ultrasonic vibration diaphragms (101) is at least two, and the groups of the ultrasonic vibration diaphragms are connected by an ultrasonic conductive block (106).
10. An ultrasonic surgical instrument, comprising: an ultrasonic scalpel host (901), an excitation switch (902) and an ultrasonic scalpel handle (903), wherein the ultrasonic scalpel handle comprises the turning integrated ultrasonic transducer (9031) as claimed in any one of claims 1 to 9, and the ultrasonic scalpel host is connected with the excitation switch and the ultrasonic scalpel handle respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020425477.5U CN212234597U (en) | 2020-03-30 | 2020-03-30 | Diversion integral type ultrasonic transducer and ultrasonic surgical instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020425477.5U CN212234597U (en) | 2020-03-30 | 2020-03-30 | Diversion integral type ultrasonic transducer and ultrasonic surgical instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456164A (en) * | 2021-06-30 | 2021-10-01 | 重庆西山科技股份有限公司 | Turning grinding tool with bending part and composite surgical instrument |
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2020
- 2020-03-30 CN CN202020425477.5U patent/CN212234597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456164A (en) * | 2021-06-30 | 2021-10-01 | 重庆西山科技股份有限公司 | Turning grinding tool with bending part and composite surgical instrument |
| CN113456164B (en) * | 2021-06-30 | 2023-04-25 | 重庆西山科技股份有限公司 | Direction-changing grinding tool with bending part and compound surgical instrument |
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