CN103622748A - Torque return and longitudinal rapid adjustment electrosurgical knife head holding handle - Google Patents
Torque return and longitudinal rapid adjustment electrosurgical knife head holding handle Download PDFInfo
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- CN103622748A CN103622748A CN201310537324.4A CN201310537324A CN103622748A CN 103622748 A CN103622748 A CN 103622748A CN 201310537324 A CN201310537324 A CN 201310537324A CN 103622748 A CN103622748 A CN 103622748A
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- toggle
- slop serrations
- positioning sleeve
- bar cover
- locating
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Abstract
The invention relates to the technical field of medial instruments, in particular to a torque return and longitudinal rapid adjustment electrosurgical knife head holding handle. The holding handle is composed of a positioning sleeve, a torsion spring, limit blocks, positioning blocks, a rod sleeve, a rotary shaft, a sleeve handle, a positioning column, anti-slipping teeth, a protruded strip and a positioning groove. The anti-slipping teeth are arranged on the inner wall of the sleeve handle, and the anti-slipping teeth and the sleeve handle are integrated. The anti-slipping teeth are arc strips which are centrally symmetrical to the circle center of the cross section of the sleeve handle on the plane. The pair of limit blocks is arranged on the upper end face of the rod sleeve, and the two limit blocks are centrally symmetrical to the circle center of the cross section of the rod sleeve. Teeth of the positioning column and the anti-slipping teeth are mutually meshed to achieve positioning, it is eradicated that in the prior art, only the friction among the components is used for performing positioning, so that a slipping condition is generated, stability of a device is improved, meanwhile operation is very convenient, and positioning is accurate.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to the longitudinal fast regulating electric surgical knife bit of a kind of moment of torsion return grab handle.
Background technology
The grab handle of existing electric surgical knife bit is all sizing fixed length, and this cannot control the position that electric knife head arrives in operation process flexibly, and particularly, in some narrow spaces, doctor obviously exists situation unable to do what one wishes in operating process.
Summary of the invention
The present invention, for solving the deficiencies in the prior art, provides a kind of longitudinal fast regulating electric surgical knife bit of the moment of torsion return grab handle that can adjust easily handle of a knife length.
The scheme that solves the technology of the present invention problem is: the longitudinal fast regulating electric surgical knife bit of moment of torsion return grab handle, consists of positioning sleeve, torsion spring, limited block, locating piece, bar cover, rotating shaft, toggle, locating dowel, anti-slop serrations, raised line and locating slot.
Toggle is the cylinder that upper end opens wide lower end closed.The bottom of toggle is the electric knife head welding with it.
On the inwall of toggle, having with toggle is holistic anti-slop serrations, and described anti-slop serrations is the longitudinal equally distributed tooth along the inwall of toggle, anti-slop serrations be in the plane two about the centrosymmetric arc strip of the cross circular section heart of toggle.Each of anti-slop serrations tooth is towards the axis direction projection of toggle on the inwall of toggle, and the corresponding plane central angle of each anti-slop serrations is 60 °, and the cross section of each anti-slop serrations is isosceles triangle.
The locating slot have on the medial wall of toggle one longitudinally, cross section being rectangle.Locating slot position is in the plane between two anti-slop serrations.
Bar cover is the cylinder that upper and lower side is all opened wide, and it is the limited block of holistic arc that there is a pair of overlapping with bar the upper surface of bar cover, and two limited blocks are about the center of circle centrosymmetry of the cross circular section of bar cover.On the lateral wall of bar cover, there are, a longitudinal raised line that arrange, that cross section be rectangle as a whole with bar cover.The lower end of bar cover inserts in toggle and the lateral wall of bar cover becomes clearance fit relationship with the edge of described anti-slop serrations.Raised line inserts in described locating slot and with locating slot and becomes clearance fit relationship.
Positioning sleeve is the cylinder that upper end closed lower end opens wide, and on the lower surface of positioning sleeve, having a pair of and positioning sleeve is holistic locating piece, and two locating pieces are in the plane about the center of circle centrosymmetry of the cross circular section of positioning sleeve.Described bar cover is placed in rotating shaft and with rotating shaft and becomes clearance fit relationship, the upper end of rotating shaft is stretched out from the top of bar cover and is welded as a whole and rotating shaft and positioning sleeve concentric with the bottom surface at the top of positioning sleeve, part cover in rotating shaft in positioning sleeve has torsion spring, the bottom surface welding at the top of torsion spring and the top of positioning sleeve, the inward flange welding on the top of the bottom of torsion spring and bar cover.The torsion direction that torsion spring applies positioning sleeve is for counterclockwise.The torsion direction that torsion spring applies bar cover is clockwise direction.The bottom surface of described locating piece be placed on the end face of bar cover and each locating piece between two limited blocks.When locating piece limited block anticlockwise with it drawn close, locating piece is mutually vertical towards anticlockwise sidewall with another limited block towards clockwise sidewall.
The lower end of rotating shaft is stretched out from the lower end of bar cover and is as a whole with columniform locating dowel.On the sidewall of locating dowel, have the tooth cooperatively interacting with described anti-slop serrations, the outward flange of the tooth of locating dowel does not become clearance fit relationship with the part of anti-slop serrations with the inwall of toggle simultaneously.The tooth of locating dowel is two sections of arc strips in plane, and these two sections of arc strips are 60 ° about center of circle centrosymmetry and each section of corresponding plane central angle of arc strip of the cross circular section of locating dowel in the plane.The end face of locating dowel contacts with the bottom surface of bar cover.
When described locating piece limited block anticlockwise with it drawn close, the tooth of locating dowel and the mutual interlock of described anti-slop serrations and in the plane coincidence each other.
In the time of need to regulating the length of grab handle, only need rotate positioning sleeve clockwise until locating piece limited block clockwise with it drawn close, now the tooth of locating dowel departs from described anti-slop serrations and completely in toggle inwall not in the region with anti-slop serrations, left hand is held toggle, the right hand is held positioning sleeve and the longitudinal relative motion of bar interplanting, until the distance between the upper end of positioning sleeve and the lower end of toggle reaches after necessary requirement, the right hand unclamps positioning sleeve, torsional interaction lower rotary shaft at torsion spring drives locating dowel for counterclockwise rotation, when locating piece limited block anticlockwise with it drawn close, the tooth of locating dowel again with described anti-slop serrations interlock.Now, because the lengthwise position relation of locating dowel and anti-slop serrations is locked, the lengthwise position relation of bar cover and toggle is also simultaneously locked, and the total length of grab handle is fixed.
Adopt such scheme, can reach following effect:
1. due to the present invention, can regulate easily the length of handle of a knife, can be used for the working place of different sizes, can greatly improve the activity precision of electric knife head, also there is labour-saving technique effect simultaneously.
2. the tooth of locating dowel and the mutual interlock of anti-slop serrations that due to the present invention, are utilization realize location, thereby have stopped in prior art, only to utilize the frictional force between member to position the produce situation of skidding, and have improved the stability of device.
3. because the present invention utilizes torsion spring, the tooth of locating dowel and the position relationship of anti-slop serrations are automatically reset, while, limited block was set again and locating piece is controlled the relative position relation of the tooth of locating dowel and anti-slop serrations, so just make operator only need to just can realize by this simple operations of twisting positioning sleeve the complete separated and coincidence completely of tooth and the anti-slop serrations of locating dowel, easy to operate and accurate positioning.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A section enlarged diagram of Fig. 1;
Fig. 3 is the B-B section enlarged diagram of Fig. 1;
Fig. 4 is the C-C section enlarged diagram of Fig. 1.
In figure: 1. positioning sleeve 2. torsion spring 3. limited block 4. locating piece 5. bars overlap 6. rotating shaft 7. toggle 8. locating dowel 9. anti-slop serrations 10. raised line 11. locating slot 12. electric knife heads
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The longitudinal fast regulating electric surgical knife bit of moment of torsion return grab handle, consists of positioning sleeve 1, torsion spring 2, limited block 3, locating piece 4, bar cover 5, rotating shaft 6, toggle 7, locating dowel 8, anti-slop serrations 9, raised line 10 and locating slot 11.
On the inwall of toggle 7, having with toggle 7 is holistic anti-slop serrations 9, and described anti-slop serrations 9 is the longitudinal equally distributed teeth along the inwall of toggle 7, anti-slop serrations 9 be in the plane two about the centrosymmetric arc strip of the cross circular section heart of toggle 7.Each tooth of anti-slop serrations 9 is towards the axis direction projection of toggle 7 on the inwall of toggle 7, and the corresponding plane central angle of each anti-slop serrations 9 is 60 °, and the cross section of each anti-slop serrations 9 is isosceles triangle.
The locating slot 11 have on the medial wall of toggle 7 one longitudinally, cross section being rectangle.Locating slot 11 position is in the plane between two anti-slop serrations 9.
Positioning sleeve 1 is the cylinder that upper end closed lower end opens wide, and has a pair of and positioning sleeve 1 for holistic locating piece 4, two locating pieces 4 are in the plane about the center of circle centrosymmetry of the cross circular section of positioning sleeve 1 on the lower surface of positioning sleeve 1.Described bar cover 5 be placed in rotating shaft 6 and with 6 one-tenth clearance fit relationship of rotating shaft, the upper end of rotating shaft 6 is stretched out from the top of bar cover 5 and is welded as a whole and rotating shaft 6 and positioning sleeve 1 concentric with the bottom surface at the top of positioning sleeve 1, part cover in rotating shaft 6 in positioning sleeve 1 has torsion spring 2, the bottom surface welding at the top of the top of torsion spring 2 and positioning sleeve 1, the inward flange welding on the top of the bottom of torsion spring 2 and bar cover 5.The torsion direction that 2 pairs of positioning sleeves 1 of torsion spring apply is for counterclockwise.2 pairs of bar cover 5 torsion directions that apply of torsion spring are clockwise direction.The bottom surface of described locating piece 4 be placed on the end face of bar cover 5 and each locating piece 4 between two limited blocks 3.When locating piece 4 limited block 3 anticlockwise with it drawn close, locating piece 4 is mutually vertical towards anticlockwise sidewall with another limited block 3 towards clockwise sidewall.
The lower end of rotating shaft 6 is stretched out from the lower end of bar cover 5 and is as a whole with columniform locating dowel 8.On the sidewall of locating dowel 8, have the tooth cooperatively interacting with described anti-slop serrations 9, the outward flange of the tooth of locating dowel 8 does not become clearance fit relationship with the part of anti-slop serrations 9 with the inwall of toggle 7 simultaneously.The tooth of locating dowel 8 is two sections of arc strips in plane, and these two sections of arc strips are 60 ° about center of circle centrosymmetry and each section of corresponding plane central angle of arc strip of the cross circular section of locating dowel 8 in the plane.The end face of locating dowel 8 contacts with the bottom surface of bar cover 5.
When described locating piece 4 limited block 3 anticlockwise with it drawn close, the tooth of locating dowel 8 and the mutual interlock of described anti-slop serrations 9 and in the plane coincidence each other.
In the time of need to regulating the length of grab handle, only positioning sleeve 1 need be rotated clockwise until locating piece 4 limited block 3 clockwise with it drawn close, now the tooth of locating dowel 8 departs from described anti-slop serrations 9 and completely in toggle 7 inwalls not in the region with anti-slop serrations 9, left hand is held toggle 7, the right hand holds positioning sleeve 1 and bar cover 5 is made longitudinal relative motion, until the distance between the upper end of positioning sleeve 1 and the lower end of toggle 7 reaches after necessary requirement, the right hand unclamps positioning sleeve 1, torsional interaction lower rotary shaft 6 at torsion spring 2 drives locating dowel 8 for counterclockwise rotation, when locating piece 4 limited block 3 anticlockwise with it drawn close, the tooth of locating dowel 8 again with described anti-slop serrations 9 interlocks.Now, because the lengthwise position relation of locating dowel 8 and anti-slop serrations 9 is locked, the lengthwise position relation of bar cover 5 and toggle 7 is also simultaneously locked, and the total length of grab handle is fixed.
Claims (1)
1. the longitudinal fast regulating electric surgical knife bit of a moment of torsion return grab handle, by positioning sleeve, torsion spring, limited block, locating piece, bar cover, rotating shaft, toggle, locating dowel, anti-slop serrations, raised line and locating slot form, it is characterized in that: toggle is the cylinder that upper end opens wide lower end closed, the bottom of toggle is the electric knife head welding with it, on the inwall of toggle, having with toggle is holistic anti-slop serrations, described anti-slop serrations is the longitudinal equally distributed tooth along the inwall of toggle, anti-slop serrations be in the plane two about the centrosymmetric arc strip of the cross circular section heart of toggle, each of anti-slop serrations tooth is protruding towards the axis direction of toggle on the inwall of toggle, the corresponding plane central angle of each anti-slop serrations is 60 °, the cross section of each anti-slop serrations is isosceles triangle, on the medial wall of toggle, have one longitudinally, cross section is the locating slot of rectangle, locating slot position is in the plane between two anti-slop serrations, bar cover is the cylinder that upper and lower side is all opened wide, it is the limited block of holistic arc that there is a pair of overlapping with bar the upper surface of bar cover, two limited blocks are about the center of circle centrosymmetry of the cross circular section of bar cover, on the lateral wall of bar cover, having one overlaps as a whole with bar, longitudinally arrange, cross section is the raised line of rectangle, the lower end of bar cover inserts in toggle and the lateral wall of bar cover becomes clearance fit relationship with the edge of described anti-slop serrations, raised line inserts in described locating slot and with locating slot and becomes clearance fit relationship, positioning sleeve is the cylinder that upper end closed lower end opens wide, on the lower surface of positioning sleeve, having a pair of and positioning sleeve is holistic locating piece, two locating pieces are in the plane about the center of circle centrosymmetry of the cross circular section of positioning sleeve, described bar cover is placed in rotating shaft and with rotating shaft and becomes clearance fit relationship, the upper end of rotating shaft is stretched out from the top of bar cover and is welded as a whole and rotating shaft and positioning sleeve concentric with the bottom surface at the top of positioning sleeve, part cover in rotating shaft in positioning sleeve has torsion spring, the bottom surface welding at the top of torsion spring and the top of positioning sleeve, the inward flange welding on the top of the bottom of torsion spring and bar cover, the torsion direction that torsion spring applies positioning sleeve is for counterclockwise, the torsion direction that torsion spring applies bar cover is clockwise direction, the bottom surface of described locating piece be placed on the end face of bar cover and each locating piece between two limited blocks, when locating piece limited block anticlockwise with it drawn close, locating piece is mutually vertical towards anticlockwise sidewall with another limited block towards clockwise sidewall, the lower end of rotating shaft is stretched out from the lower end of bar cover and is as a whole with columniform locating dowel, on the sidewall of locating dowel, there is the tooth cooperatively interacting with described anti-slop serrations, the outward flange of the tooth of locating dowel does not become clearance fit relationship with the part of anti-slop serrations with the inwall of toggle simultaneously, the tooth of locating dowel is two sections of arc strips in plane, these two sections of arc strips are 60 ° about center of circle centrosymmetry and each section of corresponding plane central angle of arc strip of the cross circular section of locating dowel in the plane, the end face of locating dowel contacts with the bottom surface of bar cover, when described locating piece limited block anticlockwise with it drawn close, the tooth of locating dowel and the mutual interlock of described anti-slop serrations and in the plane coincidence each other, in the time of need to regulating the length of grab handle, only need rotate positioning sleeve clockwise until locating piece limited block clockwise with it drawn close, now the tooth of locating dowel departs from described anti-slop serrations and completely in toggle inwall not in the region with anti-slop serrations, left hand is held toggle, the right hand is held positioning sleeve and the longitudinal relative motion of bar interplanting, until the distance between the upper end of positioning sleeve and the lower end of toggle reaches after necessary requirement, the right hand unclamps positioning sleeve, torsional interaction lower rotary shaft at torsion spring drives locating dowel for counterclockwise rotation, when locating piece limited block anticlockwise with it drawn close, the tooth of locating dowel again with described anti-slop serrations interlock, now because the lengthwise position relation of locating dowel and anti-slop serrations is locked, the lengthwise position relation of bar cover and toggle is also simultaneously locked, the total length of grab handle is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537324.4A CN103622748B (en) | 2013-11-03 | 2013-11-03 | Moment of torsion return longitudinal fast regulating electric surgical knife bit grab handle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537324.4A CN103622748B (en) | 2013-11-03 | 2013-11-03 | Moment of torsion return longitudinal fast regulating electric surgical knife bit grab handle |
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| CN103622748A true CN103622748A (en) | 2014-03-12 |
| CN103622748B CN103622748B (en) | 2015-12-02 |
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| CN201310537324.4A Active CN103622748B (en) | 2013-11-03 | 2013-11-03 | Moment of torsion return longitudinal fast regulating electric surgical knife bit grab handle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981451A (en) * | 2018-09-30 | 2018-12-11 | 吴善定 | A kind of gun rack |
| CN112156281A (en) * | 2020-10-12 | 2021-01-01 | 普昂(杭州)医疗科技有限公司 | Needle locking structure, needle tube length adjusting method and needle device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595329Y (en) * | 2002-03-05 | 2003-12-31 | 黄平 | Multifunction operation separator |
| CN101912290A (en) * | 2010-07-22 | 2010-12-15 | 徐生源 | Multifunctional bendable forceps for laparoscopic surgeries |
| CN202740109U (en) * | 2012-09-25 | 2013-02-20 | 佟志远 | Electrotome for brain surgery |
-
2013
- 2013-11-03 CN CN201310537324.4A patent/CN103622748B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595329Y (en) * | 2002-03-05 | 2003-12-31 | 黄平 | Multifunction operation separator |
| CN101912290A (en) * | 2010-07-22 | 2010-12-15 | 徐生源 | Multifunctional bendable forceps for laparoscopic surgeries |
| CN202740109U (en) * | 2012-09-25 | 2013-02-20 | 佟志远 | Electrotome for brain surgery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981451A (en) * | 2018-09-30 | 2018-12-11 | 吴善定 | A kind of gun rack |
| CN108981451B (en) * | 2018-09-30 | 2023-09-19 | 吴善定 | Gun rack |
| CN112156281A (en) * | 2020-10-12 | 2021-01-01 | 普昂(杭州)医疗科技有限公司 | Needle locking structure, needle tube length adjusting method and needle device |
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| Publication number | Publication date |
|---|---|
| CN103622748B (en) | 2015-12-02 |
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Effective date of registration: 20170606 Address after: Yu Dong people of South Haimen 226100 Jiangsu city of Nantong province No. 165 Patentee after: Haimen he d Intellectual Property Service Co. Ltd. Address before: 315100 Zhejiang, Yinzhou District, Zhong Gong Temple Street, Zhong Wang Road, room 55, No. 1004, room Patentee before: Ningbo Yinzhou Qinglin Medical Devices Technology Consulting Co.,Ltd. |
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