CN209996428U - Handle device for ultrasonic scalpel system - Google Patents
Handle device for ultrasonic scalpel system Download PDFInfo
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- CN209996428U CN209996428U CN201822213819.2U CN201822213819U CN209996428U CN 209996428 U CN209996428 U CN 209996428U CN 201822213819 U CN201822213819 U CN 201822213819U CN 209996428 U CN209996428 U CN 209996428U
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- handle
- cable
- housing
- transducer assembly
- assembly
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Abstract
The utility model relates to a handle device for among ultrasonic scalpel system, handle device include well casing, back casing and transducer subassembly, well casing passes through the adapter sleeve with the back casing and is connected, the end cup joints of transducer subassembly in the adapter sleeve, adapter sleeve end with well casing can dismantle the connection, end in addition adopt interference fit's mode to be connected with the back casing, this interference fit be used for the back casing with the handle cable that the back casing links to each other with the transducer subassembly is prevented to pass in the well casing assembling process appears twining.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to handle devices that are arranged in ultrasonic scalpel system.
Background
The ultrasonic scalpel system is kinds of medical apparatus for bone tissue, soft tissue or pathological tissue operation by means of ultrasonic mechanical effect and cavitation effect, and features that ultrasonic energy conversion technology is used, electric energy is converted into mechanical energy by special converter, and the water in tissue cell is vaporized and the protein hydrogen bond is broken by high-frequency ultrasonic vibration to destroy bone tissue, soft tissue or pathological tissue.
An ultrasonic scalpel system in the prior art comprises a host, a handle and a scalpel head, wherein the handle is connected with the host and used for receiving an ultrasonic electric signal and converting the ultrasonic electric signal into mechanical vibration. However, the following drawbacks and deficiencies exist with respect to the handle of the prior art ultrasonic surgical blade system:
firstly, the rear housing 1 and the connecting sleeve 2 of the handle device adopt a threaded connection structure 18 (see fig. 8), and the design mode causes the cable winding problem in the assembly process of the rear housing due to the threaded connection structure, and the cable winding often causes fatal damage to the line connection in the handle of the ultrasonic scalpel.
Secondly, the handle cable 6 adopts an inclined plane latch fixing structure 19 (see fig. 9), the processing difficulty of the inclined plane latch fixing structure 19 is large, and the clamping force cannot be well mastered during assembly.
In addition, the handle in the prior art has no sealing structure design, and the sealing performance is poor.
Chinese patent document CN201610991697.2, 2016, 11, 10; the patent name: the technical scheme is that the ultrasonic knife handle and the ultrasonic knife beauty and bodybuilding instrument aim to solve the problem that a handle end and a working end of the ultrasonic knife handle rotate mutually and are easy to wind when working. Corresponding wiring piece has been set up, and the wiring piece includes mutual electric connection's fixed part and rotation portion, rotation portion is relative 360 rotations of fixed part, rotation portion is used for connecing the wire of work end. So that the handle end and the working end are electrically connected and allowed to rotate mutually. Thereby solving the problem of wire winding. But this solution cannot be used for the cable winding problem caused by the assembly of the handle rear housing with the connection sleeve.
In view of the above, there is a need for handle devices with good sealing performance for use in ultrasonic surgical knife systems, which can avoid cable entanglement, and are easy to process.
Disclosure of Invention
The utility model aims at providing a avoid the cable winding, convenient processing, handle device for among ultrasonic scalpel system that sealing performance is good.
In order to achieve the purpose, the utility model adopts the technical proposal that:
the handle device for the ultrasonic scalpel system comprises a middle shell, a rear shell and a transducer assembly, wherein the middle shell is connected with the rear shell through a connecting sleeve, and the end of the transducer assembly is sleeved in the connecting sleeve, and the handle device is characterized in that the end of the connecting sleeve is detachably connected with the middle shell, the other end is connected with the rear shell in an interference fit mode, and the interference fit is used for preventing a handle cable which penetrates through the rear shell and is connected with the transducer assembly from winding in the process of assembling the rear shell and the middle shell.
preferable technical proposal, the connecting sleeve and the rear shell are provided with a sealing structure at the interference fit connection position.
preferable technical proposal, the sealing structure comprises a groove and an O-shaped sealing ring, the groove is arranged on the peripheral surface of the connecting sleeve, the O-shaped sealing ring is assembled in the groove, and the O-shaped sealing ring forms sealing under the extrusion of the rear shell.
, a cable fixing structure is disposed in the rear housing, and the handle cable is connected to the transducer assembly through the cable fixing structure.
preferable technical scheme is that the cable fixing structure comprises a clamping ring and a clamping screw, the clamping ring comprises a th clamping body and a second clamping body, the th clamping body and the second clamping body form a T shape in a section state, a filling hole is formed in the th clamping body, a screw hole is formed in the second clamping body, the clamping ring is sleeved on the outer peripheral surface of the handle cable, the outer peripheral surface of the clamping ring abuts against the inner wall surface of the rear shell, and the clamping screw is inserted from the screw hole of the clamping ring and tightly contacts the handle cable.
As preferred technical schemes, the number of the screw holes is at least two, and the number of the filling holes is at least two.
As preferable technical solutions, a snap ring and a cable sheath are arranged at the joint of the handle cable and the rear shell, the end of the cable sheath extends into the rear shell, then bends and extends towards two sides, and forms a cavity with the rear shell, and the snap ring is installed in the cavity.
preferable technical scheme is that the handle device further comprises a front shell, the transducer assembly penetrates through the front shell and the middle shell in the axial direction, the end of the transducer assembly extends into the connecting sleeve to be sleeved with the connecting sleeve, a common electrode and a button electrode are arranged on the inner wall of the front shell, a spacer sleeve is arranged between the common electrode and the button electrode, the handle device further comprises a connecting body, the end of the button electrode penetrates through the connecting body, the center of the connecting body is sleeved on the outer peripheral surface of the transducer assembly, and the outer peripheral surface of the connecting body is embedded on the inner wall surface of the middle shell.
As preferred technical solutions, a th sealing ring is installed at the joint of the connecting body and the transducer assembly, and a second sealing ring is installed at the joint of the connecting body and the middle shell.
As preferred technical proposal, the transducer component is provided with a wire-blocking ring at the end in the middle shell, the wire-blocking ring is in a step shape, the wire-blocking ring is sleeved on the transducer component, and the outer wall of the wire-blocking ring is pressed against the inner wall of the middle shell.
The utility model has the advantages that:
1. the utility model discloses a handle device for among ultrasonic scalpel system, through with adapter sleeve and back casing interference fit, effectively avoided cable winding problem.
2. The interference fit mode is combined with a new cable fixing mode, and meanwhile, the sealing structure is added to change the assembly sequence and the method of the handle, so that new ultrasonic scalpel handle devices are formed, the advantages of the interference fit and handle cable fixing structures are integrated, and the problems of cable winding and difficulty in processing inclined plane latch teeth are effectively solved.
3. The adapter sleeve adopts interference fit's mode to install on the casing of back, interference fit replaces taking threaded connection between adapter sleeve and the back casing among the former handle structural design, the winding problem of cable among the casing assembly process of back has effectively been avoided through the mode of replacing former threaded connection, the cable winding often produces fatal harm to the line connection in the supersound sword handle, the winding problem of cable among the traditional design of having avoided that can be fine, secondly make interference fit's part machining by the production facility and the ability decision of mill, accord with the reality of mill.
4. A cable fixing structure is arranged in the rear shell, and the handle cable penetrates through the cable fixing structure and is connected with the transducer assembly. This cable fixed knot constructs the inclined plane latch that replaces traditional cable fixed knot method, has reduced the processing degree of difficulty of part in the primary structure through cable fixed knot constructs the change, has reduced the processing cost of mill, and the processing degree of difficulty of inclined plane latch is great in the primary structure to can not finely master the chucking dynamics when the assembly, the utility model provides a cable fixed knot constructs the work effect that can equivalently replace the primary structure.
5. The connecting sleeve and the rear shell are provided with a sealing structure at the interference fit joint, so that the handle can be sealed, and the assembly sequence and method of the handle can be changed.
6. The cable sheath end extends into the rear shell and then bends and extends towards two sides, and forms a cavity with the rear shell, and the snap ring is arranged in the cavity.
7. The axial direction of the retainer ring is provided with a filling and sealing hole, and the filling and sealing hole can be designed to seal the handle of the ultrasonic scalpel by a filling and sealing method.
8. The cable fixing structure comprises a clamping ring and a clamping screw; the retainer ring fixes the handle cable from the radial direction by sleeving the peripheral surface of the handle cable; chucking screw is at axial direction on the in close contact with cable, can fix the contact cable from the axial, like this, cable fixed knot constructs and all obtains fixedly in axial and footpath, and fixed effect is exact.
Drawings
Fig. 1 is a schematic cross-sectional view of handle sets for use in an ultrasonic surgical blade system.
Fig. 2 is a partially enlarged structural schematic view of the handle device of the present invention in the middle housing and the front housing.
Fig. 3 is a schematic view of the partially enlarged structure of the sealing structure of the present invention.
Fig. 4 is a partially enlarged schematic view of the cable fixing structure 5.
Figure 5 is a schematic cross-sectional view of the collar.
Fig. 6 is a left-side view schematically illustrating fig. 5.
Fig. 7 is a schematic view of the cross-sectional direction B-B of fig. 5.
Fig. 8 is a schematic view of a threaded connection structure between the rear housing of the handle and the connection sleeve in the prior art.
Fig. 9 is a schematic view of the cable fixing distribution of the handle in the prior art.
Detailed Description
The present invention will now be described with reference to the following examples and figures .
The reference numerals and components referred to in the drawings are as follows:
1. rear housing 2. connecting sleeve
3. Interference fit joint 4. sealing structure
41. Groove 42. O-shaped sealing ring
5. Cable fixing structure 51 collar
52. Screw hole 53. filling and sealing hole
54. Clamping screw 55, handle cable assembly hole
56. th card body 57 second card body
6. Handle cable
61. Cable sheath 7, snap ring
8. Transducer assembly 9 front housing
10. Middle shell 11, connecting body
12. Common electrode 13, button electrode
14. Isolation sleeve 15, th sealing ring
16. Second sealing ring 17, wire retaining ring
18. Threaded connection structure 19. inclined plane latch fixing structure
Example 1
Referring to fig. 1 and 2, fig. 1 is a schematic sectional view of handle devices for use in an ultrasonic scalpel system according to the present invention, fig. 2 is a schematic partial enlarged structure of a middle housing and a front housing of the handle device according to the present invention, the handle device includes a middle housing 10, a rear housing 1 and a transducer assembly 8, the middle housing 10 is connected to the rear housing 1 through a connecting sleeve 2, a end of the transducer assembly 8 is sleeved in the connecting sleeve 2, a connecting sleeve 2 end is detachably connected to the middle housing 10, and another end is connected to the rear housing 1 in an interference fit manner, which is used for preventing a handle cable 6 passing through the rear housing 1 and connected to the transducer assembly 8 from being twisted during an assembling process of the rear housing 1 and the middle housing 10.
The connecting sleeve 2 and the rear shell 1 are provided with a sealing structure 4 at the interference fit joint; a cable fixing structure 5 is arranged in the rear shell 1, and the handle cable 6 penetrates through the cable fixing structure 5 to be connected with the transducer assembly 8.
The handle device further comprises a connecting body 11, the front shell 9 is connected to the end of the middle shell 10, the transducer assembly 8 penetrates through the front shell 9 and the middle shell 10 in the axial direction, the end of the transducer assembly penetrates into the connecting sleeve 2 to be sleeved with the connecting sleeve 2, a common electrode 12 and a button electrode 13 are arranged on the inner wall of the front shell 9, an isolating sleeve 14 is arranged between the common electrode 12 and the button electrode 13, the button electrode 13 end penetrates through the connecting body 11, the center of the connecting body 11 is sleeved on the outer circumferential surface of the transducer assembly 8, a sealing ring 15 is arranged at the connecting position of the connecting body 11 and the transducer assembly 8, the outer circumferential surface of the connecting body 11 is embedded on the inner wall surface of the middle shell 10, a second sealing ring 16 is arranged at the connecting position of the connecting body 11 and the middle shell 10, a wire blocking ring 17 is arranged at the other end of the transducer assembly 8, the wire blocking ring 17 is in a stepped shape, and the wire blocking ring 17 is sleeved on the transducer assembly 8, and the outer wall of the wire.
Referring to fig. 3, fig. 3 is a schematic diagram of a partially enlarged structure of the sealing structure 4 of the present invention. The sealing structure 4 comprises a groove 41 and an O-shaped sealing ring 42; the groove 41 is arranged on the peripheral surface of the connecting sleeve 2; the O-ring 42 fits into the groove 41 and forms a seal under compression of the rear housing 1.
Referring to fig. 4, fig. 4 is a partially enlarged schematic structural diagram of the cable fixing structure 5. The cable fixing structure 5 comprises a clamping ring 51 and a clamping screw 54; the clamping ring 51 is sleeved on the outer peripheral surface of the handle cable 6; a screw hole 52 is arranged on the collar 51 in the radial direction; the clamping screw 54 is inserted from the screw hole 52 in the collar 51 and is in close contact with the handle cable 6. And a filling hole 53 is arranged on the collar 51 in the axial direction.
A snap ring 7 and a cable sheath 61 are arranged at the joint of the handle cable 6 and the rear shell 1, the cable sheath 61 extends into the end of the rear shell and is coaxially butted with the snap ring 51, the cable sheath 61 extends into the rear shell 1 and then bends and extends towards two sides and forms a cavity with the rear shell 1, the snap ring 7 is arranged in the cavity, the snap ring 7 is sleeved on the cable sheath 61, and the peripheral surface of the snap ring 7 is butted with the inner wall surface of the rear shell 1.
Referring to fig. 5, fig. 5 is a schematic sectional view of the collar, a handle cable assembly hole 55 is axially formed in the collar 51, the collar 51 includes an -th clip body 56 and a second clip body 57, the -th clip body 56 and the second clip body 57 form a T-shape in a sectional state, a filling hole 53 is formed in the -th clip body 56, and a screw hole 52 is formed in the second clip body 57.
Referring to fig. 6, fig. 6 is a schematic left view of fig. 5, the th card body 56 is cylindrical, and the number of the filling holes 53 on the th card body 56 is four.
Referring to fig. 7, fig. 7 is a schematic view of a cross-sectional view B-B of fig. 5. The second clamping body 57 is cylindrical; the number of the screw holes 52 on the second clamping body 57 is four.
The embodiment needs to be explained as follows:
A cable fixing structure 5 is arranged in the rear shell 1, and the handle cable 6 penetrates through the cable fixing structure 5 to be connected with the transducer assembly 8. This cable fixed knot constructs 5 and replaces the cable fixed mode of traditional inclined plane latch, changes the processing degree of difficulty that has reduced part in the primary structure through cable fixed knot constructs 5, has reduced the processing cost of mill, and the processing degree of difficulty of inclined plane latch is great in the primary structure to can not finely master the chucking dynamics when the assembly, the utility model provides a cable fixed knot constructs 5 can the equivalence and replace the working effect of primary structure.
The connecting sleeve 2 and the rear shell 1 are provided with a sealing structure 4 at the interference fit connection position, so that the handle can be sealed, and the assembly sequence and method of the handle can be changed.
The sealing structure 4 comprises a groove 41 and an O-shaped sealing ring 42. The groove 41 provides a stable installation position for the O-shaped sealing ring 42, and the O-shaped sealing ring 42 is prevented from being displaced due to stress; the O-ring 42 forms a seal under the extrusion of the rear housing, so that the connection sleeve 2 and the rear housing 1 can be tightly sealed.
As examples, the O-shaped sealing ring 42 is made of silicon rubber, and the silicon rubber has good elasticity and good sealing performance.
The cable fixing structure 5 comprises a clamping ring 51 and a clamping screw 54; the collar 51 is fitted over the outer peripheral surface of the handle cable 6, thereby fixing the handle cable 6 in the axial direction of the handle cable 6; the chucking screw 54 is in close contact with the cable in the axial direction of the handle cable, and can fix the contact cable in the axial direction. Therefore, the cable fixing structure 5 is fixed in the axial direction and the radial direction of the handle cable 6, and the fixing effect is definite.
The axial direction of the retainer ring 51 is provided with a filling hole 53, and the filling hole 53 can be designed to seal the handle of the ultrasonic scalpel by a filling method.
The connecting part of the handle cable 6 and the rear shell 1 is provided with a cable sheath 61, wherein the cable sheath 61 has a protection effect on the handle cable 6, and in addition, provides a function of an intermediate connecting piece, so that the handle cable 6 is conveniently assembled in the rear shell 1.
The end of the cable sheath 61 extends into the rear shell 1, then bends and extends towards two sides, and forms a cavity with the rear shell 1, and the snap ring 7 is arranged in the cavity, so that the cable sheath 61 can be reliably arranged in the rear shell 1, and meanwhile, the snap ring 7 provides a clamping function for the cable sheath 61 and the connecting piece, and the fixed position of the cable sheath 61 is ensured to be compact and reliable.
The isolating sleeve 14 separates the common electrode 12 from the button electrode 13 independently, the safety is good, the connecting body 11 is used as a connecting piece of each component, the button electrode 13, the transducer assembly 8, the front shell 9 and the middle shell 10 are connected to , a sealing ring 15 is installed at the connecting part of the connecting body 11 and the transducer assembly 8, and a second sealing ring 16 is installed at the connecting part of the connecting body 11 and the middle shell 10.
The retainer ring 51 comprises an th clamping body 56 and a second clamping body 57, the th clamping body 56 and the second clamping body 57 form a T shape in a cross section state, the th clamping body 56 is provided with a filling hole 53, and the second clamping body 57 is provided with a screw hole 52.
The utility model discloses a handle device for among ultrasonic scalpel system, through with adapter sleeve 2 and rear housing 1 interference fit, and with the mode that new cable fixed mode combined together, increase seal structure 4 simultaneously and change the assembly order and the method of handle, thereby new ultrasonic scalpel handle device has been constituted, the advantage that interference fit and handle cable 6 are fixed has been synthesized, the problem of cable winding and inclined plane latch processing difficulty has effectively been avoided, adapter sleeve 2 adopts interference fit's mode to install on rear housing 1, interference fit replaces taking the threaded connection between adapter sleeve 2 and rear housing 1 in the former handle structural design, effectively avoided the cable winding problem in rear housing 1 assembling process through replacing former threaded connection's mode, cable winding often produces fatal harm to the line connection in the ultrasonic scalpel handle, can be fine avoid cable winding problem in the traditional design, secondly make the processing of complex part by the production facility and the ability decision of mill, accord with the reality of mill, be provided with chucking fixed structure 5 in rear housing 1, handle 6 pass through cable fixed structure 5 with transducer subassembly fixed structure 8 the fixed handle fixed mode of the sealing structure can reduce the difficulty of the original cable mounting structure, the difficulty of the sealing structure of changing, the original cable mounting difficulty of the handle structure is good, the utility model, the handle structure is provided with the sealing structure, the sealing structure of the original cable mounting difficulty of the utility model, the sealing structure is reduced, the difficulty of the utility model, the difficulty of the utility model, the cost of the utility model, the cost of the utility model.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The handle device for the ultrasonic scalpel system comprises a middle shell, a rear shell and a transducer assembly, wherein the middle shell is connected with the rear shell through a connecting sleeve, and the end of the transducer assembly is sleeved in the connecting sleeve, and the handle device is characterized in that the end of the connecting sleeve is detachably connected with the middle shell, the other end is connected with the rear shell in an interference fit mode, and the interference fit is used for preventing a handle cable which penetrates through the rear shell and is connected with the transducer assembly from winding in the process of assembling the rear shell and the middle shell.
2. The handle assembly of claim 1, wherein the connecting sleeve and the rear housing have a sealing structure at the interference fit connection.
3. The handle assembly of claim 2 wherein said sealing structure comprises a groove, an O-ring; the groove is arranged on the peripheral surface of the connecting sleeve; the O-shaped sealing ring is assembled in the groove, and the O-shaped sealing ring forms sealing under the extrusion of the rear shell.
4. The handle device for use in an ultrasonic surgical blade system of claim 1, wherein a cable retaining structure is disposed in the rear housing, the handle cable being connected to the transducer assembly through the cable retaining structure.
5. The handle assembly of claim 4, wherein the cable fixing structure comprises a clip and a clamping screw, the clip comprises an th clip body and a second clip body, the th clip body and the second clip body form a T shape in a cross section state, the th clip body is provided with a hole for filling, the second clip body is provided with a screw hole, the clip is sleeved on the outer circumferential surface of the handle cable, the outer circumferential surface of the clip abuts against the inner wall surface of the rear housing, and the clamping screw is inserted from the screw hole of the clip and tightly contacts the handle cable.
6. The handle assembly of claim 5 wherein said screw holes are at least two; the number of the filling holes is at least two.
7. The handle assembly of claim 1 wherein the handle cable is connected to the rear housing by a snap ring and a cable sheath, the cable sheath extending into the rear housing and curving to both sides to form a cavity with the rear housing, the snap ring being mounted in the cavity.
8. The handle device as claimed in any of claims 1-7, wherein the handle device further comprises a front housing, the transducer assembly axially penetrates through the front housing and the middle housing, the end of the transducer assembly extends into the connecting sleeve and is sleeved with the connecting sleeve, the inner wall of the front housing is provided with a common electrode and a button electrode, a spacer sleeve is arranged between the common electrode and the button electrode, the handle device further comprises a connecting body, the end of the button electrode penetrates through the connecting body, the center of the connecting body is sleeved on the outer circumferential surface of the transducer assembly, and the outer circumferential surface of the connecting body is embedded on the inner wall surface of the middle housing.
9. The handle assembly of claim 8 wherein a th sealing ring is attached to the connection of the connector and the transducer assembly and a second sealing ring is attached to the connection of the connector and the middle housing.
10. The handle assembly of claim 9 wherein a retaining ring is disposed at the end of the transducer assembly in the middle housing, wherein the retaining ring is stepped and is sleeved on the transducer assembly, and the outer wall of the retaining ring abuts against the inner wall of the middle housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213819.2U CN209996428U (en) | 2018-12-27 | 2018-12-27 | Handle device for ultrasonic scalpel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213819.2U CN209996428U (en) | 2018-12-27 | 2018-12-27 | Handle device for ultrasonic scalpel system |
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| Publication Number | Publication Date |
|---|---|
| CN209996428U true CN209996428U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822213819.2U Active CN209996428U (en) | 2018-12-27 | 2018-12-27 | Handle device for ultrasonic scalpel system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209996428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331917A (en) * | 2020-11-04 | 2021-09-03 | 安速康医疗(苏州)有限公司 | Ultrasonic scalpel handle and ultrasonic scalpel |
| WO2024066963A1 (en) * | 2022-09-26 | 2024-04-04 | 桐惠(杭州)医疗科技有限公司 | Connecting and sealing structure used for ultrasonic knife driving handle |
-
2018
- 2018-12-27 CN CN201822213819.2U patent/CN209996428U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331917A (en) * | 2020-11-04 | 2021-09-03 | 安速康医疗(苏州)有限公司 | Ultrasonic scalpel handle and ultrasonic scalpel |
| CN113331917B (en) * | 2020-11-04 | 2022-12-09 | 安速康医疗(苏州)有限公司 | Ultrasonic scalpel handle and ultrasonic scalpel |
| WO2024066963A1 (en) * | 2022-09-26 | 2024-04-04 | 桐惠(杭州)医疗科技有限公司 | Connecting and sealing structure used for ultrasonic knife driving handle |
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