Ultrasonic driving handle
阅读说明:本技术 超声驱动手柄 (Ultrasonic driving handle ) 是由 郭毅军 温兴东 于 2019-11-29 设计创作,主要内容包括:本发明涉及一种超声驱动手柄,包括超声换能器、主壳体、转接板、后端壳及线缆组件。所述超声换能器包括超声变幅杆。所述超声变幅杆设置于所述主壳体内。所述主壳体的后端设有开口,所述转接板盖设于所述开口。所述后端壳与所述主壳体相连,所述后端壳用于压紧所述转接板并封堵所述开口。所述线缆组件位于所述后端壳内,所述线缆组件与所述转接板电性连接。上述的超声驱动手柄,采用转接板与线缆组件电性连接,同时后端壳组装到主壳体上时,使后端壳压紧固定住转接板即可。一方面,能实现线缆组件的电流通路走向主壳体内,同时能保证主壳体的密封性能;另一方面,超声驱动手柄的结构较为简单,能便于进行装配,装配合格率较高。(The invention relates to an ultrasonic driving handle which comprises an ultrasonic transducer, a main shell, an adapter plate, a rear end shell and a cable assembly. The ultrasonic transducer includes an ultrasonic horn. The ultrasonic amplitude transformer is arranged in the main shell. The rear end of the main shell is provided with an opening, and the adapter plate cover is arranged at the opening. The rear end shell is connected with the main shell, and the rear end shell is used for pressing the adapter plate and plugging the opening. The cable assembly is located in the rear end shell and electrically connected with the adapter plate. The ultrasonic driving handle is electrically connected with the cable assembly through the adapter plate, and meanwhile, when the rear end shell is assembled on the main shell, the rear end shell is tightly pressed and fixed on the adapter plate. On one hand, the current path of the cable assembly can be led into the main shell, and meanwhile, the sealing performance of the main shell can be ensured; on the other hand, the structure of ultrasonic drive handle is comparatively simple, can be convenient for assemble, and the assembly qualification rate is higher.)
1. An ultrasonically actuated handle, comprising:
an ultrasonic transducer comprising an ultrasonic horn;
the utility model provides a cable assembly, including main casing body, keysets, rear end shell and cable subassembly, supersound amplitude of fluctuation pole set up in the main casing body, the rear end of the main casing body is equipped with the opening, the keysets lid is located the opening, the rear end shell with the main casing body links to each other, the rear end shell is used for compressing tightly keysets and shutoff the opening, the cable subassembly is located in the rear end shell, the cable subassembly with keysets electric connection.
2. The ultrasonic drive handle of claim 1, further comprising a coupling housing, wherein the main housing is coupled to the rear end housing through the coupling housing, wherein the opening is disposed in the coupling housing, and wherein the adapter plate is coupled to the coupling housing; one end of the connecting shell is sleeved in the main shell, and the other end of the connecting shell is sleeved in the rear end shell; a first sealing ring is arranged between the connecting shell and the main shell; and a second sealing ring is arranged on the end surface of the connecting shell facing the rear end shell around the opening, and the second sealing ring is abutted against the surface of the adapter plate.
3. The ultrasonic drive handle according to claim 2, wherein the inner wall of the rear end shell is provided with a circumferential first step, and the first step is used for enabling the adapter plate to be pressed and sealed at the opening; an annular pad is arranged between the first step and the adapter plate, a circumferential second step is arranged on the annular pad, and the second step and the first step are correspondingly arranged.
4. The ultrasonic drive handle according to claim 2, wherein the rear end housing is provided with an installation opening, the cable assembly comprises a conductive cable, a cable sheath and a sheath press ring, the conductive cable is electrically connected with the adapter plate, the cable sheath is sleeved outside the conductive cable, the cable sheath and the sheath press ring are both arranged at the installation opening, and the sheath press ring is used for enabling the cable sheath to be tightly pressed and fixed at the installation opening.
5. The ultrasonic drive handle according to claim 4, wherein a circumferential third step is further provided on the inner wall of the rear end housing, a snap ring and a fastening member are further provided between the third step and the sheath pressing ring, the snap ring is sleeved outside the conductive cable, and the fastening member penetrates through the housing wall of the rear end housing and then presses the conductive cable.
6. The ultrasonic drive handle of claim 1, further comprising a front end housing, an electrode ring, and a conductor; the front end shell is connected with the main shell; the ultrasonic amplitude transformer is arranged in the main shell, a fixing flange is sleeved on the outer side wall of the ultrasonic amplitude transformer, a first mounting groove is formed in the peripheral direction of the outer edge of the fixing flange, and a through hole is formed in the axial direction of the fixing flange;
a third sealing ring is arranged in the first mounting groove and is in interference fit with the inner wall of the front end shell; the conductor is arranged in the through hole, one end of the conductor is electrically connected with the electrode ring, and the other end of the conductor is electrically connected with the adapter plate.
7. The ultrasonically driven handle of claim 6, further comprising a fourth sealing ring disposed within the through-hole, the fourth sealing ring being sleeved outside the conductor.
8. The ultrasonic drive handle of claim 6, further comprising a rotation stop disposed on the mounting flange, the rotation stop being inserted into a rotation stop opening of the front end housing.
9. The ultrasonic drive handle of claim 8, wherein the number of the rotation stopping members is at least two, and the rotation stopping ports are arranged in one-to-one correspondence with the rotation stopping members; the rotation stopping piece is a rotation stopping sleeve, one rotation stopping piece is partially inserted into the through hole and sleeved outside the conductor, and the part outside the through hole is inserted into the rotation stopping opening; the fixed flange is further provided with blind holes corresponding to the rest of the rotation stopping pieces in the axial direction, the rest of the rotation stopping pieces are partially inserted into the blind holes, and the parts positioned outside the blind holes are inserted into the rotation stopping openings.
10. The ultrasonic drive handle according to claim 9, wherein the conductor is a conductive pin or a conductive wire, when the conductor is a conductive pin, a circumferential first protrusion is disposed on a wall of the conductive pin, an accommodating portion corresponding to the first protrusion is disposed on an inner wall of the trepanning of the rotation stop member, and the first protrusion is disposed in the accommodating portion; the outer wall of the rotation stopping piece is provided with a circumferential second lug, and the second lug is abutted against the side face of the fixed flange; the inner wall of the front end shell is provided with a circumferential flange, and the flange is provided with a rotation stopping opening matched with the rotation stopping piece.
11. The ultrasonic drive handle of claim 6, further comprising a fifth sealing ring, wherein the front end shell is in sleeved engagement with the main housing, and the fifth sealing ring is disposed at a connection portion between the front end shell and the main housing.
12. The ultrasonic drive handle according to claim 11, wherein the front end housing is sleeved on the main housing, the inner wall of the front end housing is provided with a first thread, and the outer wall of the main housing is provided with a second thread adapted to the first thread; the fixed flange is located the outside of main casing body, be equipped with the cushion between the fixed flange with the terminal surface of main casing body.
13. The ultrasonic drive handle according to claim 8, further comprising an insulating isolation sleeve, wherein the electrode ring comprises an inner electrode ring and an outer electrode ring, the insulating isolation sleeve is disposed between the inner electrode ring and the outer electrode ring, one end of the insulating isolation sleeve abuts against the rotation stop member, or the insulating isolation sleeve and the rotation stop member are an integral structure; the inner electrode ring is electrically connected with the conductor, the outer electrode ring is sleeved in the front end shell and is in contact with the inner side wall of the front end shell, the front end shell and the main shell are both metal shells, and the front end shell, the main shell and the ultrasonic amplitude transformer are electrically connected together.
14. The ultrasonic drive handle according to claim 13, wherein the insulating sheath comprises a first sheath segment and a second sheath segment sequentially arranged along the axial direction of the front end housing, the first sheath segment and the second sheath segment enclose and form a second mounting groove, the outer side wall of the inner electrode ring is provided with a protrusion adapted to the second mounting groove, and the protrusion is mounted in the second mounting groove; the front end shell is in press fit with the outer electrode ring, or the front end shell is in threaded fit with the outer electrode ring.
Technical Field
The invention relates to the technical field of ultrasonic surgical systems, in particular to an ultrasonic driving handle.
Background
An ultrasonic drive handle for an ultrasonic cutting hemostasis blade generally includes an ultrasonic transducer, a housing disposed outside of the ultrasonic transducer, and a cable assembly electrically connected to the ultrasonic transducer. On the one hand, since the ultrasonic transducer is required to satisfy the requirement of steam sterilization for a certain number of times, the ultrasonic transducer in the housing needs to be sealed from the external environment. On the other hand, since the front end of the ultrasonic driving handle is provided with a plurality of electrode rings, a current path connecting the electrode rings at the front end and the cable assembly at the rear part is required, that is, a lead wire is required to be used to lead from the rear end to the front end of the ultrasonic driving handle. However, the existing ultrasonic driving handle capable of meeting the requirements of the two aspects is complex in structure, complex in manufacturing process and low in assembly qualification rate.
Disclosure of Invention
Based on this, it is necessary to overcome the defects in the prior art and provide an ultrasonic driving handle which can improve the sealing performance, and has simple structure and high assembly qualification rate.
The technical scheme is as follows: an ultrasonically actuated handle comprising: an ultrasonic transducer comprising an ultrasonic horn; the utility model provides a cable assembly, including main casing body, keysets, rear end shell and cable subassembly, supersound amplitude of fluctuation pole set up in the main casing body, the rear end of the main casing body is equipped with the opening, the keysets lid is located the opening, the rear end shell with the main casing body links to each other, the rear end shell is used for compressing tightly keysets and shutoff the opening, the cable subassembly is located in the rear end shell, the cable subassembly with keysets electric connection.
The ultrasonic driving handle is electrically connected with the cable assembly through the adapter plate, and meanwhile, when the rear end shell is assembled on the main shell, the rear end shell is tightly pressed and fixed on the adapter plate. On one hand, the current path of the cable assembly can be led into the main shell, and meanwhile, the sealing performance of the main shell can be ensured; on the other hand, the structure of ultrasonic drive handle is comparatively simple, can be convenient for assemble, and the assembly qualification rate is higher.
In one embodiment, the ultrasonic driving handle further comprises a connecting shell, the main shell is connected with the rear end shell through the connecting shell, the opening is formed in the connecting shell, and the adapter plate is connected with the connecting shell; one end of the connecting shell is sleeved in the main shell, and the other end of the connecting shell is sleeved in the rear end shell; a first sealing ring is arranged between the connecting shell and the main shell; and a second sealing ring is arranged on the end surface of the connecting shell facing the rear end shell around the opening, and the second sealing ring is abutted against the surface of the adapter plate.
In one embodiment, a circumferential first step is arranged on the inner wall of the rear end shell, and the first step is used for enabling the adapter plate to be tightly pressed and blocked at the opening; an annular pad is arranged between the first step and the adapter plate, a circumferential second step is arranged on the annular pad, and the second step and the first step are correspondingly arranged.
In one embodiment, the rear shell is provided with an installation opening, the cable assembly comprises a conductive cable, a cable sheath and a sheath pressing ring, the conductive cable is electrically connected with the adapter plate, the cable sheath is sleeved outside the conductive cable, the cable sheath and the sheath pressing ring are both arranged at the installation opening, and the sheath pressing ring is used for enabling the cable sheath to be tightly pressed and fixed at the installation opening.
In one embodiment, a circumferential third step is further arranged on the inner wall of the rear end shell, a snap ring and a fastening piece are further arranged between the third step and the sheath pressing ring, the snap ring is sleeved outside the conductive cable, and the fastening piece penetrates through the shell wall of the rear end shell and then presses the conductive cable.
In one embodiment, the ultrasonic driving handle further comprises a front end shell, an electrode ring and a conductor; the front end shell is connected with the main shell; the ultrasonic amplitude transformer is arranged in the main shell, a fixing flange is sleeved on the outer side wall of the ultrasonic amplitude transformer, a first mounting groove is formed in the peripheral direction of the outer edge of the fixing flange, and a through hole is formed in the axial direction of the fixing flange;
a third sealing ring is arranged in the first mounting groove and is in interference fit with the inner wall of the front end shell; the conductor is arranged in the through hole, one end of the conductor is electrically connected with the electrode ring, and the other end of the conductor is electrically connected with the adapter plate.
In one embodiment, the ultrasonic driving handle further comprises a fourth sealing ring disposed in the through hole, and the fourth sealing ring is sleeved outside the conductor.
In one embodiment, the ultrasonic drive handle further comprises a rotation stopper disposed on the fixing flange, and the rotation stopper is used for being inserted into the rotation stopper of the front end shell.
In one embodiment, the number of the rotation stopping pieces is at least two, and the rotation stopping ports and the rotation stopping pieces are arranged in a one-to-one correspondence manner; the rotation stopping piece is a rotation stopping sleeve, one rotation stopping piece is partially inserted into the through hole and sleeved outside the conductor, and the part outside the through hole is inserted into the rotation stopping opening; the fixed flange is further provided with blind holes corresponding to the rest of the rotation stopping pieces in the axial direction, the rest of the rotation stopping pieces are partially inserted into the blind holes, and the parts positioned outside the blind holes are inserted into the rotation stopping openings.
In one embodiment, the conductor is a conductive pin or a conducting wire, when the conductor is a conductive pin, a circumferential first bump is arranged on the wall of the conductive pin, an accommodating part corresponding to the first bump is arranged on the inner wall of the trepanning of the rotation stopping piece, and the first bump is arranged in the accommodating part; the outer wall of the rotation stopping piece is provided with a circumferential second lug, and the second lug is abutted against the side face of the fixed flange; the inner wall of the front end shell is provided with a circumferential flange, and the flange is provided with a rotation stopping opening matched with the rotation stopping piece.
In one embodiment, the ultrasonic driving handle further includes a fifth sealing ring, the front end shell is in sleeve fit with the main shell, and the fifth sealing ring is disposed at a connection position between the front end shell and the main shell.
In one embodiment, the front end shell is sleeved on the main shell, the inner wall of the front end shell is provided with first threads, and the outer wall of the main shell is provided with second threads matched with the first threads; the fixed flange is located the outside of main casing body, be equipped with the cushion between the fixed flange with the terminal surface of main casing body.
In one embodiment, the ultrasonic driving handle further comprises an insulating isolation sleeve, the electrode ring comprises an inner electrode ring and an outer electrode ring, the insulating isolation sleeve is arranged between the inner electrode ring and the outer electrode ring, one end of the insulating isolation sleeve is abutted to the rotation stopping piece, or the insulating isolation sleeve and the rotation stopping piece are of an integrated structure; the inner electrode ring is electrically connected with the conductor, the outer electrode ring is sleeved in the front end shell and is in contact with the inner side wall of the front end shell, the front end shell and the main shell are both metal shells, and the front end shell, the main shell and the ultrasonic amplitude transformer are electrically connected together.
In one embodiment, the insulating isolation sleeve comprises a first sleeve section and a second sleeve section which are sequentially arranged along the axial direction of the front end shell, the first sleeve section and the second sleeve section enclose to form a second mounting groove, the outer side wall of the inner electrode ring is provided with a protrusion adapted to the second mounting groove, and the protrusion is mounted in the second mounting groove; the front end shell is in press fit with the outer electrode ring, or the front end shell is in threaded fit with the outer electrode ring.
Drawings
FIG. 1 is a schematic view of an ultrasonic drive handpiece according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the right portion of FIG. 1;
FIG. 3 is a schematic structural view of the left portion of FIG. 1;
fig. 4 is a schematic structural diagram of an ultrasonic transducer according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an ultrasonic transducer according to an embodiment of the present invention, in which a conductive pin and a rotation stopping member are removed;
FIG. 6 is a schematic structural view of a front end housing of an ultrasonic drive handle according to an embodiment of the invention;
FIG. 7 is a cross-sectional view at A-A of FIG. 6;
fig. 8 is a schematic structural diagram of a rotation stop member in an ultrasonic transducer according to an embodiment of the present invention.
Reference numerals:
10. an ultrasonic transducer; 11. an ultrasonic horn; 111. a fixed flange; 112. a first mounting groove; 113. a through hole; 114. blind holes; 12. a third seal ring; 13. a conductive pin; 14. a fourth seal ring; 15. a rotation stopping member; 20. a main housing; 30. an adapter plate; 40. a rear end housing; 41. a first step; 42. an installation port; 43. a third step; 50. a cable assembly; 51. a conductive cable; 52. a cable jacket; 53. a jacket compression ring; 54. a snap ring; 55. a fastener; 60. a connecting shell; 61. a first seal ring; 62. a second seal ring; 63. a threaded connection; 70. an annular pad; 71. a second step; 80. a front end housing; 81. a flange; 811. a rotation stopping port; 91. an inner electrode ring; 911. a protrusion; 92. an outer electrode ring; 93. a fifth seal ring; 94. an elastic pad; 95. a support pad; 96. an insulating spacer sleeve; 961. a first sleeve segment; 962. a second sleeve section; 963. and a second mounting groove.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
In one embodiment, referring to fig. 1 to 3, an ultrasonic driving handle includes an
The ultrasonic driving handle is electrically connected with the
Further, referring to fig. 2, the ultrasonic driving handle further includes a connecting
Specifically, referring to fig. 2, fig. 2 illustrates two threaded
Further, it is understood that in order to stably locate first sealing ring 61 between
Further, referring to fig. 2, a circumferential
Further, referring to fig. 2, the
Further, referring to fig. 2, a third
In one embodiment, referring to fig. 1, 3-8, the ultrasonic drive handle further comprises a
Because the
In one embodiment, referring to fig. 3 and 4, the ultrasonic driving handle further includes a fourth sealing ring 14 disposed in the through
In one embodiment, referring to fig. 3, 4 and 8, the ultrasonic driving handle further includes a
In one embodiment, referring to fig. 3, 4 and 8, the number of the
Specifically, referring to fig. 3, 4 and 8, the
As an alternative, the
As an alternative, the
As an alternative, the
In one embodiment, referring to fig. 3, 4 and 8, a circumferential first bump is disposed on a needle wall of the
Further, referring to fig. 3, fig. 6 and fig. 7, a
Further, referring to fig. 3, 6 and 7, the ultrasonic driving handle further includes a fifth sealing ring 93. The
Further, referring to fig. 3, fig. 6 and fig. 7, the
Further, referring to fig. 3, the ultrasonic driving handle further includes a supporting pad 95 disposed between the elastic pad 94 and the end surface of the
As an alternative, the
In one embodiment, referring to FIG. 3, the ultrasonic drive handle further includes an insulating spacer sleeve 96. The electrode rings include an inner electrode ring 91 and an outer electrode ring 92. The insulating isolation sleeve 96 is arranged between the inner electrode ring 91 and the outer electrode ring 92, the inner electrode ring 91 is electrically connected with the
In one embodiment, referring to fig. 3, the insulating spacer 96 includes a first sleeve segment 961 and a second sleeve segment 962 arranged in series along the axial direction of the
Further, specifically, the
Alternatively, when the conductor is a wire, the first sleeve segment 961 and the second sleeve segment 962 of the insulating sheath 96 are integrated into a single structure, and one end of the single structure abuts against the rotation stop member, or the insulating sheath 96 and the rotation stop member are integrated into a single structure, and at this time, the inner electrode ring 91 and the insulating sheath 96 perform a circumferential position limitation, so as to ensure that the shaft holes are aligned.
It should be understood that the description of "front" and "back" in this embodiment is relative and should not be construed as limiting the product configuration of the ultrasonic drive handle.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
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