CN105105823B - Multiplex cutter head - Google Patents
Multiplex cutter head Download PDFInfo
- Publication number
- CN105105823B CN105105823B CN201510653553.1A CN201510653553A CN105105823B CN 105105823 B CN105105823 B CN 105105823B CN 201510653553 A CN201510653553 A CN 201510653553A CN 105105823 B CN105105823 B CN 105105823B
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- Prior art keywords
- lock
- tube
- bit shank
- cutter head
- inner tube
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/295—Forceps for use in minimally invasive surgery combined with cutting implements
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- 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
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
-
- 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
- A61B2017/320044—Blunt dissectors
-
- 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
- A61B2017/320072—Working tips with special features, e.g. extending parts
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Mechanical Engineering (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Ophthalmology & Optometry (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of multiplex cutter head；It includes bit shank, inner tube, outer tube, clamp, handle and control handle, wherein：Bit shank is located in inner tube, and outer tube sleeve is mounted in interior tube outside, inner tube relative to outer tube can slide anteroposterior, rear end and the inner pipe joint of inner tube be fixedly linked, and axial notch is offered on inner pipe joint, and clamp is connected with the rotation of inner tube front end, and clamp is provided with gear piece；Outer tube back-end is fixedly connected with control handle, and control handle rear portion is connected together by spring O-ring with the taper knob of handle upper portion, and improvement is：The anterior probe of bit shank is made up of cutting edge of a knife or a sword knife face and blunt knife face；Control handle rear portion is provided with set screw, and set screw front end is located in the axial notch；Locking device is provided between taper knob and bit shank.Main application and advantage：Operator can use two distinct types of cutter head according to surgery situation in same operating theater instruments（Blunt type or sharp）.Help operator is more fine, convenient development is performed the operation.
Description
Technical field
The present invention relates to medical surgical instrument ultrasonic knife technical field, and in particular to a kind of multiplex cutter head.
Background technology
Ultrasonic knife is to carry out the indispensable surgical apparatus of hysteroscope technology, by converting electrical energy into mechanical energy, does not have electric current
By in patient body.Can be cut simultaneously and blood coagulation, its collection cuts, coagulates and close, grasp, being located away from one.Cutting speed is fast,
Haemostatic effect is good, simple to operate, safe ready, is substantially shorter operating time, patient's blood loss and transfusion volume is reduced, so as to drop
Low complication and surgery cost.Ultrasonic knife is used in fine surgical operation, and is increasingly used in various
In sight glass operation, such as：Laparoscope, prostate are cut in the operation such as mirror, cystoscope, hysteroscope, answering in laparoscopically surgical operation
With with clear advantage, the damage to surrounding tissue is much smaller than electric knife.
In the prior art, ultrasonic knife surgical apparatus includes main frame, cutter head assembly, transducer, floor push and connecting line
The major parts such as cable.Main frame produces the electric signal of 55.5KHz, and being transported to transducer by connection cables produces ultrasonic wave.
Based on cutter head assembly is by the handle of handgun shape, the finger gripping plate that can be rotated is also associated with handle.Titanium is closed
It is connected through a screw thread between the rear end of the bit shank of gold and transducer, bit shank transmission ultrasonic energy.Bit shank outside suit
Have inner tube, an outer tube, inner tube is located between bit shank and outer tube, and inner tube can slide anteroposterior, be socketed in the rubber on bit shank
Cushion rubber and inner tube wall tight fit.Outer tube back-end is fixedly connected with control handle, and rear end and the inner pipe joint of inner tube are fixedly linked,
Axial notch is offered on inner pipe joint.There is the axle of returning spring, control handle and inner pipe joint between inner tube and control handle
Rotated in a circumferential direction by the way that realization of having strong market potential is synchronous between notch, bit shank three.Inner pipe joint is by inner tube slider and connecting rod machine
Structure is connected, and linkage is realized interlocking again with finger gripping plate.When pressing finger gripping plate, it is possible to control sliding backward for inner tube, pine
Finger gripping plate is opened, under the return action of returning spring, inner tube forward slip to its normal orientation.Bit shank is put with transducer connector
In in the taper knob of handle upper portion cavity type, the inwall of taper knob front end is provided with the bullet of draw-in groove, draw-in groove and control handle rear portion
Spring O-ring is mutually clamped；And the inwall of taper knob rear end is provided with collar, the collar groove anterior with transducer engages, jointly
The front and rear free vibration of bit shank and transducer connector is limited, but bit shank can be circumferentially rotated with transducer connector.
Inner tube front end is rotated with clamp by pin and is connected, and clamp constitutes adjustable clamp with the probe of bit shank front end, when interior
Pipe is slided backward when, because outer tube is in relative static conditions, clamp is tapered into the angle of probe, and jaw shrinks, so that
Realize to needing musculature to be processed, blood vessel, tendon to clamp in operation.Gear piece is generally provided with clamp, to increase
Strong clamping effect.By adjusting control handle, can be actually needed in operation, select best angle, easily and effectively
Probe is extend into needs musculature to be processed, blood vessel, tendon, efficiently completes operation.
But because the mechanical structure of cutter head makes inner tube and bit shank be relatively-stationary, inner tube, outer tube and bit shank are same
When rotate, therefore in surgical procedure only be equipped with use a kind of cutter head of shape（Blunt type or sharp）, but the cutter head of blunt type
More suitable for coagulation operation, and the cutter head of sharp is more suitable for cutting operation, and only a kind of cutter head of shape is difficult to carry out accurately
Operation technique.
The content of the invention
The present invention is directed to deficiency present in background technology, and the technical problem to be solved is：A kind of probe is provided to have simultaneously
There are cutting edge of a knife or a sword knife face, the ultrasonic knife in blunt knife face.
The present invention is in order to solve the above technical problems, the technical scheme taken is：A kind of multiplex cutter head, including it is bit shank, interior
Pipe, outer tube, clamp, handle and control handle, wherein：Bit shank is located in inner tube, and outer tube sleeve is mounted in interior tube outside, and inner tube is relative
In outer tube can slide anteroposterior, rear end and the inner pipe joint of inner tube be fixedly linked, and axial notch, clamp are offered on inner pipe joint
Rotated with inner tube front end and be connected, clamp is provided with gear piece；Outer tube back-end is fixedly connected with control handle, and control handle rear portion passes through
Spring O-ring is connected together with the taper knob of handle upper portion, and its improvement is：The anterior probe of bit shank is by cutting edge of a knife or a sword knife face and blunt knife
Face constitutes；Control handle rear portion is provided with set screw, and set screw front end is located in the axial notch；Taper knob and bit shank
Between be provided with locking device.
Further, the locking device includes cutter head base, lock gear and locking press button, cutter head base, lock gear
It is fixed on bit shank, and order is located at bit shank rear portion, cutter head pan frontward end is near inner pipe joint；With locking teeth on taper knob
Take turns corresponding part and open up grooved hole, locking press button is fixed in slotted eye；
When locking press button is pressed, locking press button is mutually ratcheting with lock gear.
Further, the locking press button is made up of lock body, lock tube, spring and lock tooth, and lock body is T-shaped, and lock tube and spring are suitable
Sequence is socketed on lock body, and spring is located between lock body and lock tube, and lock body lower end is connected with lock tooth；Lock tube is fixedly connected with slotted eye；
When by down lock body, lock tooth is mutually ratcheting with lock gear.
Compared with prior art, beneficial effect is the present invention：Operator can be according to surgery situation, in same surgical device
Two distinct types of cutter head is used on tool（Blunt type or sharp）.In order to reach preferably operation coagulation effect, it is convenient to
Cutter head is changed into blunt type, it is also possible in order to reach more preferable surgical cut effect, cutter head is changed into sharp, helps operate
Person is more fine, convenient development is performed the operation.
Brief description of the drawings
Fig. 1 is that the structure of prior art is intended to；
Fig. 2 is the sonde configuration schematic diagram of one of embodiment of the present invention；
Fig. 3 is the sectional view of probe in Fig. 2；
Fig. 4 is the bit shank and lock gear assembly structure diagram of one of embodiment of the present invention；
Fig. 5 is the taper knob and locking press button assembly structure diagram of one of embodiment of the present invention；
Fig. 6 is the assembling structure schematic diagram of one of embodiment of the present invention；
Fig. 7 is the probe cutting edge of a knife or a sword knife face and clamp, the structural representation of gear piece cooperation of one of embodiment of the present invention；
Fig. 8 is probe blunt knife face and clamp, the structural representation of gear piece cooperation of one of embodiment of the present invention；
Fig. 9 is the locking press button structural representation of one of embodiment of the present invention.
In figure：1st, bit shank；1-1, probe；1-2, cutting edge of a knife or a sword knife face；1-3, blunt knife face；1-4, rubber ring；1-5, bit shank spiral shell
Hole；1-6, cutter head pole socket；1-7, have strong market potential；2nd, inner tube；2-1, inner tube slider；2-2, inner pipe joint；3rd, outer tube；4th, clamp；5、
Gear piece；6th, lock gear；7th, locking press button；7-1, lock body；7-2, lock tube；7-3, spring；7-4, lock tooth；8th, handle；8-1, hand
Sleeve；8-1-1, slotted eye；8-2, finger gripping plate；8-3, linkage；9th, control handle；9-1, spring O-ring；9-2, positioning spiral shell
Silk.
Specific embodiment
Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.
As shown in Fig. 1 to Fig. 9, a kind of multiplex cutter head, including bit shank 1, inner tube 2, outer tube 3, clamp 4, handle 8 and control
Knob 9, wherein：Bit shank 1 is located in inner tube 2, and outer tube 3 is sleeved on the outside of inner tube 2, and inner tube 2 can be front and rear sliding relative to outer tube 3
Dynamic, rear end and the inner pipe joint 2-2 of inner tube 2 are fixedly linked, and axial notch, clamp 4 and inner tube 2 are offered on inner pipe joint 2-2
Front end rotates connection, and clamp 4 is provided with gear piece 5；The rear end of outer tube 3 is fixedly connected with control handle 9, and the rear portion of control handle 9 passes through
Spring O-ring 9-1 is connected together with the taper knob 8-1 on the top of handle 8, the probe 1-1 of the front portion of bit shank 1 by cutting edge of a knife or a sword knife face 1-2 and
Blunt knife face 1-3 is constituted；The rear portion of control handle 9 is provided with set screw 9-2, and set screw 9-2 front ends are located in the axial notch；
Locking device is provided between taper knob 8-1 and bit shank 1.Locking device is used to control the rotation of bit shank 1（Limit its rotation）,
The latch-up structure such as including latch mode, ratcheting fashion, spring damping mode.Due to clamp 4 and probe 1-1 composition jaw structures,
The geo-stationary of bit shank 1 can just be kept and take the mode of rotation clamp 4 to realize probe 1-1 by cutting edge of a knife or a sword knife face 1-2 and blunt knife face
The switching of 1-3, i.e., drive set screw 9-2, inner tube 2, the synchronous rotary of outer tube 3 by adjusting control handle 9, realizes clamp
4 rotation.Therefore, it is possible to very fine, convenient switching cutting edge of a knife or a sword knife face 1-2 and blunt knife face 1-3, such leader's art knife is just suitable
In with two using effects of scalpel, and the cumbersome replacing program of bit shank 1 need not be carried out.
Locking device includes cutter head base 1-6, lock gear 6 and locking press button 7, and cutter head base 1-6, lock gear 6 are consolidated
It is scheduled on bit shank 1, and order is located at the rear portion of bit shank 1, cutter head base 1-6 front ends are near inner pipe joint 2-2；Taper knob 8-1
Upper to open up grooved hole 8-1-1 with the corresponding part of lock gear 6, locking press button 7 is fixed in slotted eye 8-1-1；When pressing locking
During button 7, locking press button 7 is mutually ratcheting with lock gear 6.Cutter head base 1-6 is elastic caoutchouc, and inner pipe joint 2-2 is played
Liner is acted on.Operator presses locking press button 7 with thumb, and locking press button 7 is mutually ratcheting with lock gear 6, therefore cutter head
Bar 1 can not rotate, and adjust control handle 9 with forefinger in addition, and rotation clamp 4 reaches 180 degree（Clockwise or rotate counterclockwise
）, you can meet surgical procedure centre forward's knife face 1-2 and blunt knife face 1-3 chooses at random demand.
During actual production, locking press button 7 is made up of lock body 7-1, lock tube 7-2, spring 7-3 and lock tooth 7-4, and lock body 7-1 is in T
Shape, lock tube 7-2 and spring 7-3 orders are enclosed within lock body 7-1, and spring 7-3 is located between lock body 7-1 and lock tube 7-2, lock body 7-1
Lower end is connected with lock tooth 7-4；Lock tube 7-2 is fixedly connected with slotted eye 8-1-1；When by down lock body 7-1, tooth 7-4 and locking teeth are locked
Wheel 6 is mutually ratcheting.If press down lock body 7-1 without external force, the spring 7-3 being compressed by replys free state, so far locks tooth 7-4
Ratcheting state is released with lock gear 6, so regulation control handle 9 can be realized same to bit shank 1, inner tube 2, the three of outer tube 3
Walk the conventional operation form of rotation.
After the present invention, operator can use two kinds of different types according to surgery situation in same operating theater instruments
Cutter head（Blunt type or sharp）.In order to reach preferably operation coagulation effect, it is convenient to cutter head is changed into blunt type, also may be used
In order to reach more preferable surgical cut effect, cutter head is changed into sharp, operator is helped more finely, easily to carry out
Operation.
Claims (3)
1. a kind of multiplex cutter head, including bit shank（1）, inner tube（2）, outer tube（3）, clamp（4）, handle（8）And control handle
（9）, wherein：Bit shank（1）Positioned at inner tube（2）In, outer tube（3）It is sleeved on inner tube（2）Outside, inner tube（2）Relative to outer tube（3）
Being capable of slide anteroposterior, inner tube（2）Rear end and inner pipe joint（2-2）It is fixedly linked, inner pipe joint（2-2）On offer axial groove
Mouthful, clamp（4）With inner tube（2）Front end rotates connection, clamp（4）It is provided with gear piece（5）；Outer tube（3）Rear end and control handle（9）
It is fixedly connected, control handle（9）Rear portion passes through spring O-ring（9-1）With handle（8）The taper knob on top（8-1）It is connected together,
It is characterized in that：Bit shank（1）Anterior probe（1-1）By cutting edge of a knife or a sword knife face（1-2）With blunt knife face（1-3）Composition；Control handle（9）
Rear portion is provided with set screw（9-2）, set screw（9-2）Front end is located in the axial notch；Taper knob（8-1）With bit shank
（1）Between be provided with locking device.
2. multiplex cutter head according to claim 1, it is characterised in that：The locking device includes cutter head base（1-6）, lock
Fixed gear（6）And locking press button（7）, cutter head base（1-6）, lock gear（6）It is fixed on bit shank（1）On, and be sequentially located at
Bit shank（1）Rear portion, cutter head base（1-6）Front end is near inner pipe joint（2-2）；Taper knob（8-1）Upper and lock gear（6）Phase
Correspondence part opens up grooved hole（8-1-1）, locking press button（7）It is fixed on slotted eye（8-1-1）In；
When pressing locking press button（7）When, locking press button（7）With lock gear（6）It is mutually ratcheting.
3. multiplex cutter head according to claim 2, it is characterised in that：The locking press button（7）By lock body（7-1）, lock tube
（7-2）, spring（7-3）With lock tooth（7-4）Composition, lock body（7-1）It is T-shaped, lock tube（7-2）And spring（7-3）Order is socketed in
Lock body（7-1）On, spring（7-3）Positioned at lock body（7-1）With lock tube（7-2）Between, lock body（7-1）Lower end and lock tooth（7-4）Phase
Even；Lock tube（7-2）With slotted eye（8-1-1）It is fixedly connected；
When by down lock body（7-1）When, lock tooth（7-4）With lock gear（6）It is mutually ratcheting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653553.1A CN105105823B (en) | 2015-10-12 | 2015-10-12 | Multiplex cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653553.1A CN105105823B (en) | 2015-10-12 | 2015-10-12 | Multiplex cutter head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105105823A CN105105823A (en) | 2015-12-02 |
| CN105105823B true CN105105823B (en) | 2017-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510653553.1A Active CN105105823B (en) | 2015-10-12 | 2015-10-12 | Multiplex cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105105823B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019528892A (en) * | 2016-09-29 | 2019-10-17 | オリンパス・ウィンター・アンド・イベ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Surgical jaw-type instrument with counterbalanced lever system |
| CN107789036B (en) * | 2017-10-13 | 2023-09-01 | 苏州优脉瑞医疗科技有限公司 | Novel ultrasonic knife |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322055A (en) * | 1993-01-27 | 1994-06-21 | Ultracision, Inc. | Clamp coagulator/cutting system for ultrasonic surgical instruments |
| EP0908150A1 (en) * | 1997-10-10 | 1999-04-14 | Ethicon Endo-Surgery, Inc. | Ultrasonic clamp coagulator apparatus having dual rotational positioning |
| CN2512386Y (en) * | 2001-12-26 | 2002-09-25 | 上海第二医科大学附属仁济医院 | Acute and blunt two purpose stripper |
| CN1440728A (en) * | 2003-02-19 | 2003-09-10 | 苏英 | Multifunctional operational dissector |
| CN1694649A (en) * | 2002-09-23 | 2005-11-09 | 伊西康内外科公司 | Ultrasonic surgical instrument incorporating fluid management |
| CN101674780A (en) * | 2007-03-22 | 2010-03-17 | 伊西康内外科公司 | Ultrasonic surgical instrument blades |
| CN203988246U (en) * | 2014-08-14 | 2014-12-10 | 武汉半边天医疗技术发展有限公司 | A kind of removable ultrasound knife pipe fast junction apparatus |
| CN205041495U (en) * | 2015-10-12 | 2016-02-24 | 重庆市生耐美科技有限公司 | Multi -purpose tool bit |
-
2015
- 2015-10-12 CN CN201510653553.1A patent/CN105105823B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322055A (en) * | 1993-01-27 | 1994-06-21 | Ultracision, Inc. | Clamp coagulator/cutting system for ultrasonic surgical instruments |
| US5322055B1 (en) * | 1993-01-27 | 1997-10-14 | Ultracision Inc | Clamp coagulator/cutting system for ultrasonic surgical instruments |
| EP0908150A1 (en) * | 1997-10-10 | 1999-04-14 | Ethicon Endo-Surgery, Inc. | Ultrasonic clamp coagulator apparatus having dual rotational positioning |
| CN2512386Y (en) * | 2001-12-26 | 2002-09-25 | 上海第二医科大学附属仁济医院 | Acute and blunt two purpose stripper |
| CN1694649A (en) * | 2002-09-23 | 2005-11-09 | 伊西康内外科公司 | Ultrasonic surgical instrument incorporating fluid management |
| CN1440728A (en) * | 2003-02-19 | 2003-09-10 | 苏英 | Multifunctional operational dissector |
| CN101674780A (en) * | 2007-03-22 | 2010-03-17 | 伊西康内外科公司 | Ultrasonic surgical instrument blades |
| CN203988246U (en) * | 2014-08-14 | 2014-12-10 | 武汉半边天医疗技术发展有限公司 | A kind of removable ultrasound knife pipe fast junction apparatus |
| CN205041495U (en) * | 2015-10-12 | 2016-02-24 | 重庆市生耐美科技有限公司 | Multi -purpose tool bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105105823A (en) | 2015-12-02 |
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