CN211300202U - Ultrasonic surgical knife bar, ultrasonic transducer, ultrasonic knife handle and surgical instrument - Google Patents
Ultrasonic surgical knife bar, ultrasonic transducer, ultrasonic knife handle and surgical instrument Download PDFInfo
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- CN211300202U CN211300202U CN201921214929.9U CN201921214929U CN211300202U CN 211300202 U CN211300202 U CN 211300202U CN 201921214929 U CN201921214929 U CN 201921214929U CN 211300202 U CN211300202 U CN 211300202U
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Abstract
The embodiment of the application discloses ultrasonic surgical knife bar, ultrasonic transducer, ultrasonic knife handle and surgical instrument. One embodiment of the ultrasonic surgical knife bar comprises an ultrasonic energy output end and an ultrasonic energy transmission rod, wherein the ultrasonic energy output end is arranged on the ultrasonic energy transmission rod, and the cross-sectional area of the top of the ultrasonic energy output end is smaller than that of the bottom of the ultrasonic energy output end. The ultrasonic energy transmission device can improve the transmission efficiency of ultrasonic energy and can effectively avoid cutter bar fracture. And when the top end is contacted with the biological tissue, the side thermal injury is reduced, so that an operator can more accurately position the operation position, and the operation precision is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of medical instruments, in particular to an ultrasonic surgical knife bar, an ultrasonic transducer, an ultrasonic knife handle and a surgical instrument.
Background
In the conventional ultrasonic surgical knife, the cross-sectional areas of the cutting portions of the knife bar are the same. Because the cutter bar cutting part of the ultrasonic cutter does longitudinal telescopic motion at the frequency of 20kHz-60kHz range under the driving of ultrasonic waves, when cutting, the phenomenon of cutter bar fracture often occurs because the cutter bar bears large acting force in the part contacted with biological tissues. Especially, when the blood vessel is closed during the operation, the knife rod can cause the patient to bleed greatly if the knife rod is broken suddenly, and the serious medical accident is caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an ultrasonic surgical knife bar, an integrated ultrasonic transducer, an ultrasonic knife handle and a surgical instrument, and solves the technical problems mentioned in the background technology.
In a first aspect, the present embodiments provide an ultrasonic surgical tool holder, which includes an ultrasonic energy output end 101 and an ultrasonic energy conducting rod 102, wherein the ultrasonic energy output end 101 is disposed on the ultrasonic energy conducting rod 102, and a cross-sectional area of the ultrasonic energy output end 101 is gradually reduced from a bottom 1011 to a top 1012.
In some embodiments, the ultrasonic energy output port 101 and the ultrasonic energy conducting rod 102 are integrally formed.
In some embodiments, the ultrasonic energy output port 101 is a curved structure.
In some embodiments, the cross-sectional area of the interface of the ultrasonic energy output end 101 and the ultrasonic energy conducting rod 102 is the same.
In a second aspect, embodiments of the present application provide an integrated ultrasonic transducer, where the integrated ultrasonic transducer includes: at least one set of ultrasonic vibration diaphragms 201 and an ultrasonic surgical blade 202 as described in any of the above embodiments of the first aspect, wherein the bottom surface of the ultrasonic surgical blade 202 is in contact with the at least one set of ultrasonic vibration diaphragms 201, and the at least one set of ultrasonic vibration diaphragms 201 are fixedly connected to the ultrasonic surgical blade 202.
In some embodiments, the at least one set of ultrasonic vibration diaphragms 201 is in a set, and the set of ultrasonic vibration diaphragms 201 is in contact with the bottom surface of the ultrasonic surgical blade holder 202.
In some embodiments, the number of the ultrasonic vibration pieces 201 is at least two groups, and the integrated ultrasonic transducer further includes at least one ultrasonic vibration conduction block 203, the at least two groups of the ultrasonic vibration pieces and the at least one ultrasonic vibration conduction block 203 are arranged along the axial direction of the ultrasonic surgical knife bar 202, and the at least one ultrasonic vibration conduction block 203 spaces the at least two groups of the ultrasonic vibration pieces.
In a third aspect, embodiments of the present application provide an ultrasonic blade handle, on which an integrated ultrasonic transducer as in any of the embodiments of the second aspect described above is disposed.
In a fourth aspect, embodiments of the present application provide a surgical instrument, including: an ultrasonic scalpel main body, an excitation switch and an ultrasonic scalpel handle as described in the third aspect above, wherein the ultrasonic scalpel main body is connected with the excitation switch and the ultrasonic scalpel handle respectively.
The ultrasonic operation cutter arbor, integral type ultrasonic transducer, ultrasonic knife handle and surgical instruments that this application embodiment provided sets up to top area through the ultrasonic energy output with the ultrasonic operation cutter arbor and is less than the bottom end area, makes the approximate toper of shape of ultrasonic operation cutter arbor to can make the amplitude on the top of ultrasonic operation cutter arbor bigger, improve the transmission efficiency of ultrasonic energy. In addition, the force generated by the ultrasonic energy transmitted by the ultrasonic energy output end can be gradually reduced from the bottom to the top, and the cutter bar can be effectively prevented from being broken. And when the top end is contacted with the biological tissue, the side thermal injury is reduced, so that an operator can more accurately position the operation position, and the operation precision is improved.
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(a) is a schematic structural view of one embodiment of an ultrasonic surgical blade according to the present application;
FIG. 1(b) is an exemplary schematic illustration of the shape of a cross-section of an ultrasonic energy output end according to the present application;
FIG. 1(c) is a perspective view of an ultrasonic surgical blade bar according to the present application;
FIG. 2 is a schematic structural diagram of an integrated ultrasonic transducer according to the present application;
FIG. 3 is another schematic structural diagram of an integrated ultrasonic transducer according to the present application;
FIG. 4 is a schematic structural view of an integrated ultrasonic blade handle according to the present application;
FIG. 5 is a schematic structural diagram of an embodiment of a 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(a) shows a schematic structural view of one embodiment of the ultrasonic surgical blade holder of the present application. As shown in fig. 1(a), ultrasonic surgical knife bar 100 includes an ultrasonic energy output end 101 and an ultrasonic energy conducting bar 102. Wherein the ultrasonic energy output end 101 is disposed on the ultrasonic energy conducting rod 102, and the cross-sectional area of the ultrasonic energy output end 101 is gradually reduced from the bottom 1011 to the top 1012. As shown in the perspective view of FIG. 1(c), the top portion 1012 has a smaller cross-sectional area than the bottom portion 1011.
Specifically, the shape of the cross section of the ultrasonic energy output port 101 may be various shapes. Such as circular, oval, contoured shape as shown by 1013 in fig. 1(b), etc. The cross-section shown as 1013 in fig. 1(b) may form a blade so that the blade may be brought into contact with biological tissue to perform cutting at the time of surgery.
In this embodiment, the ultrasonic energy output port 101 may be disposed on the ultrasonic energy conducting rod 102 in various manners, for example, the ultrasonic energy output port 101 may be fixed on the ultrasonic energy conducting rod 102 by welding, screwing, or the like.
In some alternative implementations of the present embodiment, the ultrasonic energy output port 101 and the ultrasonic energy conducting rod 102 are integrally formed. The ultrasonic surgical knife bar in an integrated forming mode can reduce the loss of ultrasonic energy in the transmission process caused by the connection of various components.
In some alternative implementations of the present embodiment, the ultrasonic energy output end 101 is a curved structure. Set up to the bending structure, can be so that in the operation process, ultrasonic energy output end obtains bigger amplitude and can fully contact with biological tissue, and the field of vision is clear, improves the operation effect.
In some alternative implementations of this embodiment, the cross-sectional area of the interface of the ultrasonic energy output end 101 and the ultrasonic energy conducting rod 102 is the same. That is, the transmitted ultrasonic energy on the ultrasonic energy transmission rod can be transmitted to the ultrasonic energy output end without loss.
The ultrasonic surgical knife bar provided by the above embodiment of the application sets up the ultrasonic energy output end of the ultrasonic surgical knife bar to be smaller than the area of the bottom end, so that the shape of the ultrasonic surgical knife bar is similar to a cone, the amplitude of the top end of the ultrasonic surgical knife bar is larger, and the transmission efficiency of ultrasonic energy is improved. In addition, the ultrasonic energy transmitted by the ultrasonic energy output end can be gradually reduced from the bottom to the top, and the cutter bar can be effectively prevented from being broken. And when the top end is contacted with the biological tissue, the side thermal injury is reduced, so that an operator can more accurately position the operation position, and the operation precision is improved.
With further reference to FIG. 2, a schematic structural diagram of one embodiment of an integral ultrasonic transducer 200 of the present application is shown. The integrated ultrasonic transducer 200 includes: at least one set of ultrasonic vibration diaphragms 201 and an ultrasonic surgical blade holder 202 as described above in relation to the embodiment of figure 1 (a). The bottom surface of the ultrasonic surgical knife bar 202 is in contact with at least one group of ultrasonic vibration pieces 201, and the at least one group of ultrasonic vibration pieces 201 is fixedly connected with the ultrasonic surgical knife bar 202.
Wherein each of the at least one set of ultrasonic vibration reed 201 may include any number of ultrasonic vibration reeds, so that the upper limit of the required ultrasonic energy may be adjusted as desired. The at least one set of ultrasonic vibration member 201 and the ultrasonic surgical blade 202 may be connected in various ways, for example, by screwing, spring pressing, bonding with an adhesive, etc. The ultrasonic surgical blade 202 is generally made of a metal material, and the ultrasonic vibration plate 201 includes an electrode, and when the ultrasonic vibration plate is energized, the ultrasonic vibration plate generates mechanical vibration of a corresponding frequency under the control of the main controller, thereby transmitting ultrasonic energy to the ultrasonic surgical blade 202 in contact therewith.
Generally, the bottom section and the top section of the ultrasonic surgical knife bar 202 are circular, and the area of the bottom section is larger than that of the top section, so that the top section can contact with the biological tissue, and the output ultrasonic energy performs operations such as cutting and coagulation on the biological tissue. The bottom and top of the ultrasonic surgical blade bar 202 may be combined in various ways. For example by welding, screwing, etc.
In some optional implementations of the present embodiment, the number of the at least one group of the ultrasonic vibration diaphragms 201 is one, and the group of the ultrasonic vibration diaphragms 201 is in contact with the bottom surface of the ultrasonic surgical knife bar 202. The ultrasonic transducer using a group of ultrasonic vibration pieces can achieve the effect of simplifying the structure, thereby facilitating the installation or the disassembly of an operator.
In some optional implementations of the present embodiment, as shown in fig. 3, the number of the ultrasonic vibration pieces 201 is at least two groups. Fig. 3 shows two sets including 2011 and 2012, and the integrated ultrasonic transducer further includes at least one ultrasonic vibration plate 203, the at least two sets of ultrasonic vibration plates and the at least one ultrasonic vibration plate 203 are arranged along the axial direction of the ultrasonic surgical knife bar 202, and the at least one ultrasonic vibration plate 203 spaces the at least two sets of ultrasonic vibration plates. As shown in fig. 3, when the at least two sets of ultrasonic vibration reeds are energized and activated, the first set of ultrasonic vibration reeds 2011 transmits ultrasonic energy to the ultrasonic conduction block 203, and the ultrasonic conduction block 203 transmits the ultrasonic energy to the ultrasonic surgical knife bar 202 through the second set of ultrasonic vibration reeds 2012. Meanwhile, the ultrasonic energy generated by the second group of ultrasonic vibrating pieces 2012 is transferred to the ultrasonic surgical knife bar 202. Thereby improving the energy of the generated ultrasonic wave, namely improving the ultrasonic energy output by the ultrasonic surgical knife bar and improving the surgical effect.
The above-mentioned embodiment of this application provides an integral type ultrasonic transducer, through with the ultrasonic operation cutter arbor and the combination of at least a set of ultrasonic wave trembler as shown in fig. 1(a), realized directly transmitting the ultrasonic energy that the ultrasonic trembler produced to ultrasonic operation cutter arbor, reduced the quantity of spare part, reduced the transmission loss of ultrasonic energy, improved the transmission efficiency of ultrasonic energy.
With further reference to FIG. 4, a schematic structural view of one embodiment of an integrated ultrasonic blade handle 400 of the present application is shown. The integrated ultrasonic blade handle is provided with an integrated ultrasonic transducer 401 as described above with respect to the embodiment of fig. 2. In general, the integrated ultrasonic blade handle 400 may include an excitation switch, and when an operator presses the excitation switch, at least one set of ultrasonic vibration pieces included in the integrated ultrasonic transducer 401 generates ultrasonic energy, which is output by the ultrasonic output rod, so as to perform operations such as cutting, coagulation, etc. on the contacted biological tissue.
According to the integrated ultrasonic knife handle provided by the embodiment of the application, the integrated ultrasonic transducer described by the embodiment shown in fig. 2 is introduced, so that the efficiency of outputting ultrasonic energy can be improved, the loss of the ultrasonic energy is reduced, and the operation effect is improved.
With further reference to fig. 5, a schematic structural diagram of one embodiment of a surgical instrument 500 of the present application is shown. The surgical instrument 500 includes: an ultrasonic scalpel main body 501, an excitation switch 502 and an ultrasonic scalpel handle 503 as described above in the corresponding embodiment of fig. 4. Wherein, the ultrasonic scalpel main body is respectively connected with the excitation switch 502 and the ultrasonic scalpel handle 503. The ultrasonic-blade main unit can perform functional configuration on the ultrasonic-blade handle 503, 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.
According to the surgical instrument provided by the embodiment of the application, the ultrasonic knife handle described in the embodiment shown in fig. 4 is introduced, so that the transmission efficiency of ultrasonic energy during surgery and the precision of surgery can be improved, and the risk of fracture of a surgical knife rod is reduced.
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 (9)
1. An ultrasonic surgical blade comprising an ultrasonic energy output (101) and an ultrasonic energy conducting rod (102), wherein the ultrasonic energy output (101) is arranged on the ultrasonic energy conducting rod (102), and the cross-sectional area of the ultrasonic energy output (101) decreases from the bottom (1011) to the top (1012).
2. The ultrasonic surgical blade holder according to claim 1, wherein the ultrasonic energy output (101) and the ultrasonic energy conducting rod (102) are integrally formed.
3. The ultrasonic surgical blade holder according to claim 1, wherein the ultrasonic energy output (101) is a curved structure.
4. The ultrasonic surgical blade holder according to any one of claims 1 to 3, wherein the cross-sectional area of the interface of the ultrasonic energy output (101) and the ultrasonic energy conducting rod (102) is the same.
5. An integrated ultrasonic transducer, comprising: at least one set of ultrasonic membrane (201) and an ultrasonic surgical blade (202) according to any of claims 1-4, wherein a bottom surface of said ultrasonic surgical blade (202) is in contact with said at least one set of ultrasonic membrane (201), and said at least one set of ultrasonic membrane (201) is fixedly connected to said ultrasonic surgical blade (202).
6. The integrated ultrasonic transducer according to claim 5, wherein the at least one set of the ultrasonic vibration pieces (201) is one set, and one set of the ultrasonic vibration pieces (201) is in contact with the bottom surface of the ultrasonic surgical knife bar (202).
7. The integrated ultrasonic transducer according to claim 5, wherein the number of the ultrasonic vibration pieces (201) is at least two groups, and the integrated ultrasonic transducer further comprises at least one ultrasonic vibration conduction block (203), the at least two groups of the ultrasonic vibration pieces and the at least one ultrasonic vibration conduction block (203) are arranged along the axial direction of the ultrasonic surgical knife bar (202), and the at least one ultrasonic vibration conduction block (203) spaces the at least two groups of the ultrasonic vibration pieces.
8. An ultrasonic blade handle, wherein the ultrasonic blade handle is provided with an integrated ultrasonic transducer according to any one of claims 5 to 7.
9. A surgical instrument, characterized in that the surgical instrument comprises: the ultrasonic-scalpel main body, the excitation switch and the ultrasonic-scalpel handle as claimed in claim 8, wherein the ultrasonic-scalpel main body is connected with the excitation switch and the ultrasonic-scalpel handle respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921214929.9U CN211300202U (en) | 2019-07-30 | 2019-07-30 | Ultrasonic surgical knife bar, ultrasonic transducer, ultrasonic knife handle and surgical instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921214929.9U CN211300202U (en) | 2019-07-30 | 2019-07-30 | Ultrasonic surgical knife bar, ultrasonic transducer, ultrasonic knife handle and surgical instrument |
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| CN211300202U true CN211300202U (en) | 2020-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180786A (en) * | 2021-04-29 | 2021-07-30 | 杭州淳通新材料科技有限公司 | TC4 ultrasonic scalpel and manufacturing method thereof |
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- 2019-07-30 CN CN201921214929.9U patent/CN211300202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180786A (en) * | 2021-04-29 | 2021-07-30 | 杭州淳通新材料科技有限公司 | TC4 ultrasonic scalpel and manufacturing method thereof |
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