CN107789035A - Torsion mechanism for ultrasound knife - Google Patents
Torsion mechanism for ultrasound knife Download PDFInfo
- Publication number
- CN107789035A CN107789035A CN201610800206.1A CN201610800206A CN107789035A CN 107789035 A CN107789035 A CN 107789035A CN 201610800206 A CN201610800206 A CN 201610800206A CN 107789035 A CN107789035 A CN 107789035A
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- China
- Prior art keywords
- torsion
- sleeve
- ultrasound knife
- torsion sleeve
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000002604 ultrasonography Methods 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 210000000078 claw Anatomy 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00477—Coupling
Abstract
The invention discloses a kind of torsion mechanism for ultrasound knife.The torsion mechanism includes：First torsion sleeve, location structure, rotary sleeve, the second torsion sleeve and elastic device, multiple first teeth are provided with the first torsion sleeve, the first teeth groove is formed between adjacent two the first teeth；Location structure is used to ultrasound knife be positioned the first torsion sleeve to prevent ultrasound knife from rotating relative to the first torsion sleeve；Rotary sleeve is installed in rotation in the first torsion sleeve；Second torsion sleeve rotates between the first torsion sleeve and rotary sleeve and with rotary sleeve, multiple second teeth are provided with second torsion sleeve, second tooth engages with the first tooth, and the second tooth is suitable between the first tooth and the first teeth groove alternately slide and relative first torsion sleeve of the second torsion sleeve moves axially during slip；Elastic device is resiliently arranged between rotary sleeve and the second torsion sleeve.According to the torsion mechanism of the present invention, cutter can be made to be tightened in ultrasonic handpiece, and the maximum screw-down torque for being applied to cutter is controllable.
Description
Technical field
The present invention relates to surgical medical equipment technical field, in particular to a kind of torsion mechanism for ultrasound knife.
Background technology
With the fast development of modern medicine, ultra-sonic surgical aspirator has been increasingly being applied to clinical surgery operation treatment
In, ultrasonic energy is applied to surgical operation by it, has the characteristics that fine cutting, safety, tissue selectivity and low temperature hemostasis, pole
The earth enriches the means of surgical operation, improves the quality of surgical operation, alleviates the slight illness of patient to a certain extent.It is existing
Ultrasonic cut is stopped blooding multi-purpose shears, and the use more of its cutter and ultrasonic handpiece is threadedly coupled, but when installing cutter, mostly medical care people
Member's hand twists installation, twists power due to hand and is difficult to control, and it is excessive and cause tool damage screw-down torque easily occur, increase use into
This.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem of the prior art to a certain extent.Therefore, this hair
Bright purpose is to propose a kind of torsion mechanism for ultrasound knife, and the torsion mechanism is used to screw on cutter to be fixed on ultrasonic hand
On handle, and the maximum screw-down torque for being applied to cutter is controllable.
Included according to the torsion mechanism for ultrasound knife of the present invention：First torsion sleeve, set in first torsion sleeve
There are multiple first teeth, the first teeth groove is formed between adjacent two first teeth；Location structure, the location structure is used for will
First torsion sleeve is positioned with ultrasound knife to prevent the ultrasound knife from being rotated relative to first torsion sleeve；Rotary sleeve,
The rotary sleeve is installed in rotation in first torsion sleeve；Second torsion sleeve, second torsion sleeve is positioned at described the
Rotated between one torsion sleeve and the rotary sleeve and with the rotary sleeve, multiple second teeth be provided with second torsion sleeve,
Second tooth engages with first tooth, and second tooth is suitable between first tooth and first teeth groove alternately
Slide and relatively described first torsion sleeve of second torsion sleeve moves axially during slip；And elastic device, the bullet
Property device is resiliently arranged between the rotary sleeve and second torsion sleeve.
According to the torsion mechanism for ultrasound knife of the present invention, the shape coordinated using the first torsion sleeve and the second torsion sleeve
Formula, realize installation of the ultrasound knife in ultrasonic handpiece, and fixed, convenient disassembly.
In some preferred embodiments of the invention, the location structure is alignment pin, is set in first torsion sleeve
There is the dowel hole worn for the alignment pin.
In some preferred embodiments of the invention, Access Division, the Access Division are additionally provided with first torsion sleeve
Free end be configured with claw, be provided with card access surface on the rotary sleeve, the claw is engaged by clamping with the card access surface.
Preferably, the Access Division is multiple and circumferentially distributed that each Access Division is arc so that multiple described
Access Division forms hollow axially directed pipe, and second torsion sleeve is set on the axially directed pipe.
In some preferred embodiments of the invention, ring positioning ring, the annular are provided with second torsion sleeve
Centring ring is used to position the elastic device.
Preferably, the elastic device is helical spring and is enclosed on outside in the ring positioning ring.
In some preferred embodiments of the invention, the first location division, the rotation are provided with second torsion sleeve
Put and be provided with the second location division, first location division coordinates with second location division so that second torsion sleeve is with institute
State rotary sleeve synchronous axial system and be axially movable.
Preferably, first location division is projection, and second location division is axially extending axial notch.
In some preferred embodiments of the invention, formed with the bullet with the second torsion sleeve face in the rotary sleeve
Spring device compresses plane, and the elastic device flexibly compresses the spring assembly and compresses plane.
In some preferred embodiments of the invention, the rotary sleeve has enlarged-diameter portion, the enlarged-diameter portion bag
Cover residence and state multiple first teeth in the first torsion sleeve so that second torsion sleeve is accommodated in inside the rotary sleeve.
Brief description of the drawings
Fig. 1 is the structural representation of ultra-sonic surgical aspirator according to embodiments of the present invention；
Fig. 2 is the explosive view of the torsion mechanism for ultrasound knife according to embodiments of the present invention；
Fig. 3 is the sectional view of the torsion mechanism for ultrasound knife according to embodiments of the present invention.
Reference：
Ultra-sonic surgical aspirator 100, ultrasonic handpiece 102, ultrasound knife 112, dop 113, grip part 114, the torsion for ultrasound knife
Force mechanisms 300, the first torsion sleeve 301, location structure 302, rotary sleeve 303, the second torsion sleeve 304, elastic device 305, first
Tooth 306, the first teeth groove 307, dowel hole 308, body 309, auxiliary section 310, construction section 311, Access Division 312, claw
313, card access surface 314, ring positioning ring 315, the first location division 316, the second location division 317, spring assembly compresses plane 318,
Enlarged-diameter portion 319, the second tooth 320, axially through groove 321, jog 322.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate with one another；Can be joined directly together, can also be indirectly connected by intermediary, can
To be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Ultra-sonic surgical aspirator 100 according to embodiments of the present invention is described referring to Fig. 1-Fig. 3.The ultra-sonic surgical aspirator 100 is led
To be made up of multi-purpose shears, ultrasonic handpiece 102, ultrasound knife 112 and main frame, as shown in figure 1, multi-purpose shears has grip part 114, be easy to
Grip, the lock tube having by it easily can fix and dismantle ultrasonic handpiece 102, and ultrasound knife 112 is arranged on ultrasonic handpiece 102
On, the dop 113 of multi-purpose shears front end can opening and closing.
Main frame is used to send ultrasonic frequency signal, drives ultrasonic handpiece 102, can include inside main frame：Drive circuit, surpass
Sound signal generator, host center controller etc., host center controller send control signal to supersonic signal generator, make it
Start or stop to produce ultrasonic frequency signal, ultrasonic signal caused by supersonic signal generator is exported to drive circuit, passes through drive
Dynamic circuit drives ultrasonic handpiece 102, makes its work.
Ultrasonic handpiece 102 can for example include housing 201, and transducer, ultrasonic transformer etc., transducing can be set in housing 201
The ultrasonic signal that device sends supersonic signal generator is converted into ultrasonic mechanical wave, and ultrasonic transformer is mechanical by the ultrasound from transducer
Ripple passes to surgical ultrasonic knife 112 again after carrying out Amplitude amplification, so that the longitudinal ultrasonic vibration of ultrasound knife 112 or complex vibration (example
As both can front and rear vibrations in a longitudinal direction, while and can swing or rotation).
Referring to Fig. 2-Fig. 3 descriptions torsion mechanism 300 for ultrasound knife according to embodiments of the present invention.Such as Fig. 2-figure
Shown in 3, the torsion mechanism 300 for ultrasound knife according to embodiments of the present invention includes：First torsion sleeve 301, location structure
302nd, rotary sleeve 303, the second torsion sleeve 304 and elastic device 305.
Multiple first teeth 306 are provided with first torsion sleeve 301, the first tooth is formed between adjacent two the first teeth 306
Groove 307.
Location structure 302 is used to ultrasound knife 112 be positioned the first torsion sleeve 301 to prevent ultrasound knife 112 relative
First torsion sleeve 301 rotates.
Rotary sleeve 303 is installed in rotation in the first torsion sleeve 301.
Second torsion sleeve 304 rotates between the first torsion sleeve 301 and rotary sleeve 303 and with rotary sleeve 303, changes speech
It, rotary sleeve 303 can drive the synchronous axial system of the second torsion sleeve 304.Multiple second teeth 320 are provided with second torsion sleeve 304, the
Two teeth 320 engage with the first tooth 306, the second tooth 320 be suitable between the first tooth 306 and the first teeth groove 307 alternately slide and
Relative first torsion sleeve 301 of the second torsion sleeve 304 moves axially during slip, in other words, due to the first teeth groove 307 relative the
Two teeth 320 are recess structure, and 306 relative second tooth 320 of the first tooth is projective structure, therefore in the second tooth 320 recessed
First teeth groove 307 and protrusion the first tooth 306 between slide when will cause the second torsion sleeve 304 it is alternately close in the axial direction or
Away from the first torsion sleeve 301.
Elastic device 305 is resiliently arranged between the torsion sleeve 304 of rotary sleeve 303 and second.
That is, in the relative rotary course of first torsion sleeve 301 of rotary sleeve 303, second in the second torsion sleeve 304
Tooth 320 alternately slips over the first tooth 306 and the first teeth groove 307 of the first torsion sleeve 301, and slides into the first tooth 306 in the second tooth 320
When upper, elastic device 305 is in most compressed state, and the screw-down torque now acted on ultrasound knife 112 is maximum, that is to say, that
It ensure that the acrotorque of the first torsion sleeve 301 is fixed, and after the second tooth 320 slides into the first teeth groove 307, now elasticity fills
Put 305 compression degree it is relatively reduced, screwing force decreases, so as to prevent acting on screwing force excessive on ultrasound knife 112
And ultrasound knife 112 is caused to damage.
Torsion mechanism 300 for ultrasound knife according to embodiments of the present invention, using the first torsion sleeve 301 and the second torsion
The form that set 304 coordinates, realizes installation of the ultrasound knife 112 in ultrasonic handpiece 102, and fixed, convenient disassembly.
In certain embodiments, as shown in Fig. 2 location structure 302 can be alignment pin, correspondingly, the first torsion sleeve 301
On be provided with the dowel hole 308 worn for alignment pin, it is preferable that through hole can also be provided with knife bar 112, is positioned such that pin can
The fixation of the torsion sleeve 301 of ultrasound knife 112 and first is realized through dowel hole 308 and through hole, thus prevents that ultrasound knife 112 is relative
First torsion sleeve 301 rotates and influences the operating accuracy of operation.
In certain embodiments, as shown in Fig. 2 the first torsion sleeve 301 includes construction section 311, auxiliary section 310 and body
309, body 309 is provided with dowel hole 308, and for realizing the positioning of ultrasound knife 112, auxiliary section 310 is located at body 309
Between construction section 311, and formed with the first tooth 306 on auxiliary section 310, Access Division 312, clamping are provided with construction section 311
Portion 312 can be it is multiple, multiple Access Divisions 312 are circumferentially distributed along the first torsion sleeve 301, each Access Division 312 be arc simultaneously
Extending to the direction of the second torsion sleeve 304, the Access Division 312 of multiple arcs is sequentially connected to form hollow axially directed pipe,
Second torsion sleeve 304 is set on axially directed pipe, and axially directed by axially directed pipe progress.
Further, it is provided with the periphery wall of construction section 311 axially through groove 321, can is more axially through groove 321
It is individual, multiple periphery wall equidistantly distributeds axially through groove 321 along construction section 311, it thus can simplify moulding process.
Preferably, the periphery wall of construction section 311 is penetrated in a thickness direction axially through groove 321, and axially through groove 321
Opening opened wide towards the second torsion sleeve 304, while each axially through groove 321 between two adjacent Access Divisions 312,
So coordinate in Access Division 312 when on rotary sleeve 303, Access Division 312 has the surplus of radial deformation, so as to easily make first
Torsion sleeve 301 coordinates in rotary sleeve 303.
Advantageously, the free end of Access Division 312 is configured with claw 313, and claw 313 protrudes the outer of Access Division 312 laterally
Side face, correspondingly, card access surface 314 is provided with rotary sleeve 303, as shown in figure 3, card access surface 314 protrudes the inner side of rotary sleeve 303
Face, so as to facilitate claw 313 to be engaged by clamping with card access surface 314 so that the first torsion sleeve 301 and rotary sleeve 303 connect it is firm.
That is, claw 313 is engaged by clamping with card access surface 314 causes the first torsion sleeve to be relatively rotated with rotary sleeve but is not axially movable.
In certain embodiments, as shown in Fig. 2 being provided with ring positioning ring 315, circular orientation in the second torsion sleeve 304
Circle 315 is used for locating elastic device 305, and further, elastic device 305 can be helical spring and be enclosed on ring positioning ring outside
On 315, meanwhile, the construction section 311 of the first torsion sleeve 301 passes through from the inner side of ring positioning ring 315, and is connected to rotary sleeve
In 303.
In certain embodiments, as shown in Fig. 2 being provided with the first location division 316 in the second torsion sleeve 304, the first positioning
Portion 316 can be projection, and the raised direction from the periphery of the second torsion sleeve 304 away from the second torsion sleeve 304 extends, preferably
Ground, projection can be multiple, and multiple projections are spaced apart along the periphery wall of the second torsion sleeve 304, and are uniformly distributed, meanwhile, it is convex
Rise and may be integrally formed in the second torsion sleeve 304, thus, moulding process is simple, and production cost is low.
Correspondingly, the second location division 317 is provided with rotary sleeve 303, as shown in figure 3, the second location division 317 can be axle
To axially extending groove, thus the first location division 316 can coordinate with the second location division 317 so that the second torsion sleeve 304 is with rotation
The synchronous axial system of pivoted housing 303, while the length of groove in the axial direction is more than raised length, such second torsion sleeve 304 can revolve
Moved axially on pivoted housing 303.
That is, the second tooth 320 in the second torsion sleeve 304 alternately slips over the first tooth 306 of the first torsion sleeve 301
During with the first teeth groove 307, the elastic compression deflection of elastic device 305 is different, so as to realize that the second torsion sleeve 304 is rotating
Axial movement in set 303, and then realizes tight condition of the knife bar 112 in ultrasonic handpiece 102, at the same tighten maximum moment can
Control.
In certain embodiments, as shown in figure 3, compressing plane 318, spring dress formed with spring assembly in rotary sleeve 303
To put and compress the face of 318 and second torsion sleeve of plane 304, elastic device 305 flexibly compresses spring assembly and compresses plane 318, by
This realizes the positioning of elastic device 305.
Preferably, as shown in Figures 2 and 3, rotary sleeve 303 has enlarged-diameter portion 319, and enlarged-diameter portion 319 envelopes
Multiple first teeth 306 in first torsion sleeve 301, so that the second torsion sleeve 304 is accommodated in inside rotary sleeve 303, can so keep away
Exempt from the first torsion sleeve 301 and the second torsion sleeve 304 is polluted and influences the quality of operation.
Advantageously, be provided with jog 322 in the enlarged-diameter portion 319 of rotary sleeve 303, jog 322 can be it is multiple,
The outer peripheral face of multiple jogs 322 diametrically expansion section 319 is continuously distributed, so facilitates staff to hold jog 322 right
Rotary sleeve 303 is rotated, convenient operation.
The work of the torsion mechanism 300 for ultrasound knife according to embodiments of the present invention is described in detail referring to Fig. 2-Fig. 3
Make process：
When needing to assemble ultrasound knife 112, knife bar 112 is sequentially passed through into rotary sleeve 303, the second torsion sleeve 304 and first
Torsion sleeve 301, and knife bar 112 is positioned in the first torsion sleeve 301 by the alignment pin in the first torsion sleeve 301, rotate rotation
Pivoted housing 303, the second torsion sleeve 304 can rotate with rotary sleeve 303, while the second tooth 320 in the second torsion sleeve 304 replaces
The first tooth 306 and the first teeth groove 307 of the first torsion sleeve 301 are slipped over, and when the second tooth 320 is slided on the first tooth 306, elasticity
Device 305 is in most compressed state, and now torsion is maximum, and rotary sleeve 303 is in tightening state, and now ultrasound knife 112 is tightened
In ultrasonic handpiece 102.
Continuing to rotate, the elastic shrinkage amount of elastic device 305 reduces, and torsion reduces, and second in the second torsion sleeve 304
When tooth 320 slides into the first tooth 306 again, torsion reaches maximum again, thus can ensure that acrotorque is fixed, and avoids torsion mistake
The screw of ultrasonic handpiece 102 is caused to twist into two parts greatly.
When needing to dismantle ultrasound knife 112, rotary sleeve 303 is rotated, the second tooth 320 is departed from the top of the first tooth 306, now
The decrement of elastic device 305 is smaller, while pulls down alignment pin, ultrasound knife 112 can be disassembled from ultrasonic handpiece 102, torn open
Unload conveniently.
In short, the torsion mechanism 300 for ultrasound knife according to embodiments of the present invention, using the He of the first torsion sleeve 301
The form that second torsion sleeve 304 coordinates, realizes installation of the ultrasound knife 112 in ultrasonic handpiece 102, and fixed, dismounting side
Just.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
- A kind of 1. torsion mechanism for ultrasound knife, it is characterised in that including：First torsion sleeve, multiple first teeth are provided with first torsion sleeve, are formed between adjacent two first teeth First teeth groove；Location structure, the location structure are used to be positioned first torsion sleeve and ultrasound knife to prevent the ultrasound knife Rotated relative to first torsion sleeve；Rotary sleeve, the rotary sleeve are installed in rotation in first torsion sleeve；Second torsion sleeve, second torsion sleeve is between first torsion sleeve and the rotary sleeve and with the rotary sleeve Rotate, be provided with multiple second teeth in second torsion sleeve, second tooth is engaged with first tooth, and second tooth is fitted In between first tooth and first teeth groove alternately slide and second torsion sleeve is relative described during slip First torsion sleeve moves axially；AndElastic device, the elastic device are resiliently arranged between the rotary sleeve and second torsion sleeve.
- 2. the torsion mechanism according to claim 1 for ultrasound knife, it is characterised in that the location structure is positioning Sell, the dowel hole worn for the alignment pin is provided with first torsion sleeve.
- 3. the torsion mechanism according to claim 1 for ultrasound knife, it is characterised in that also set in first torsion sleeve Access Division is equipped with, the free end of the Access Division is configured with claw, card access surface, the claw and institute are provided with the rotary sleeve State card access surface clamping engagement.
- 4. the torsion mechanism according to claim 3 for ultrasound knife, it is characterised in that the Access Division is multiple and edge Circumferentially distributed, each Access Division is arc so that multiple Access Divisions form hollow axially directed pipe, and described second Torsion sleeve is set on the axially directed pipe.
- 5. the torsion mechanism according to claim 1 for ultrasound knife, it is characterised in that set in second torsion sleeve There is ring positioning ring, the ring positioning ring is used to position the elastic device.
- 6. the torsion mechanism according to claim 5 for ultrasound knife, it is characterised in that the elastic device is spiral bullet Spring and it is enclosed on outside in the ring positioning ring.
- 7. the torsion mechanism according to claim 1 for ultrasound knife, it is characterised in that set in second torsion sleeve There is the first location division, the second location division is provided with the rotary sleeve, first location division coordinates with second location division So that second torsion sleeve is with the rotary sleeve synchronous axial system and is axially movable.
- 8. the torsion mechanism according to claim 7 for ultrasound knife, it is characterised in that first location division is convex Rise, second location division is axially extending axial notch.
- 9. the torsion mechanism according to claim 1 for ultrasound knife, it is characterised in that in the rotary sleeve formed with The spring assembly of the second torsion sleeve face compresses plane, the elastic device flexibly compress the spring assembly compress it is flat Face.
- 10. the torsion mechanism according to claim 1 for ultrasound knife, it is characterised in that the rotary sleeve has diameter Expansion section, the enlarged-diameter portion envelope multiple first teeth in first torsion sleeve so that second torsion sleeve It is accommodated in inside the rotary sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800206.1A CN107789035A (en) | 2016-08-31 | 2016-08-31 | Torsion mechanism for ultrasound knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800206.1A CN107789035A (en) | 2016-08-31 | 2016-08-31 | Torsion mechanism for ultrasound knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107789035A true CN107789035A (en) | 2018-03-13 |
Family
ID=61529752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610800206.1A Withdrawn CN107789035A (en) | 2016-08-31 | 2016-08-31 | Torsion mechanism for ultrasound knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107789035A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542470A (en) * | 2018-05-22 | 2018-09-18 | 深圳普汇医疗科技有限公司 | A kind of spanner and surgery system |
| CN110403674A (en) * | 2019-08-01 | 2019-11-05 | 河南理工大学 | A kind of Intelligence Ultrasound scalpel for oncotherapy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9521838D0 (en) * | 1995-07-10 | 1996-01-03 | Hsu Frank | Torsion wrench |
| CN104173093A (en) * | 2013-05-22 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | Ultrasound knife head and ultrasound knife |
| WO2015077139A1 (en) * | 2013-11-22 | 2015-05-28 | Ethicon Endo-Surgery, Inc. | Methods and features for coupling ultrasonic surgical instrument components together |
| CN205181439U (en) * | 2015-10-20 | 2016-04-27 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic cutting hemostasis sword and torsion restraint device thereof |
| CN206548577U (en) * | 2016-08-31 | 2017-10-13 | 北京速迈医疗科技有限公司 | Torsion mechanism for ultrasound knife |
-
2016
- 2016-08-31 CN CN201610800206.1A patent/CN107789035A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9521838D0 (en) * | 1995-07-10 | 1996-01-03 | Hsu Frank | Torsion wrench |
| CN104173093A (en) * | 2013-05-22 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | Ultrasound knife head and ultrasound knife |
| WO2015077139A1 (en) * | 2013-11-22 | 2015-05-28 | Ethicon Endo-Surgery, Inc. | Methods and features for coupling ultrasonic surgical instrument components together |
| CN205181439U (en) * | 2015-10-20 | 2016-04-27 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic cutting hemostasis sword and torsion restraint device thereof |
| CN206548577U (en) * | 2016-08-31 | 2017-10-13 | 北京速迈医疗科技有限公司 | Torsion mechanism for ultrasound knife |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542470A (en) * | 2018-05-22 | 2018-09-18 | 深圳普汇医疗科技有限公司 | A kind of spanner and surgery system |
| CN108542470B (en) * | 2018-05-22 | 2023-12-29 | 深圳普汇医疗科技有限公司 | Spanner and surgical system |
| CN110403674A (en) * | 2019-08-01 | 2019-11-05 | 河南理工大学 | A kind of Intelligence Ultrasound scalpel for oncotherapy |
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Application publication date: 20180313 |