CN201320217Y - Ultrasound surgical forceps - Google Patents
Ultrasound surgical forceps Download PDFInfo
- Publication number
- CN201320217Y CN201320217Y CNU2008203023503U CN200820302350U CN201320217Y CN 201320217 Y CN201320217 Y CN 201320217Y CN U2008203023503 U CNU2008203023503 U CN U2008203023503U CN 200820302350 U CN200820302350 U CN 200820302350U CN 201320217 Y CN201320217 Y CN 201320217Y
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- outer tube
- pipe
- horn
- hand grip
- supersonic operation
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Abstract
The utility model relates to an ultrasound surgical forceps, which comprises a fixed cutting head and a moving cutting head; wherein, the fixed cutting head is fixed on an amplitude transformer which is connected with an ultrasonic transducer, an inner tube is nested on the exterior of the amplitude transformer, a gasket ring is arranged between the amplitude transformer and the inner tube, clearance is formed between an outer tube and the inner tube, and a front handle and a rear handle can move relatively. The utility model mainly provides an ultrasonoc surgical forceps which has multiple functions, brings little injury to human body, and is used with an endoscope and has high safety, thus solving the technical problem in prior art that the present surgical forceps has single function and is harmful to human body.
Description
Technical field
This utility model relates to a kind of medical operating instrument, relates in particular to a kind of supersonic operation pincers.
Background technology
In the operation in modern times, a lot of places that need cutting and coagulation are arranged.The application of supersonic operation pincers is very wide, but present supersonic operation pincers function ratio is more single, and performance is stable inadequately.The jaw that operating forceps generally comprises operating grip and controlled by operating grip, as Chinese patent: operating forceps structure of describing in " thyroid Minimally Invasive Surgery pincers (CN200998282) ", comprise that vice body, fixation clamps handle, adjustable clamp handle, hollow claw beam, upper jaw, lower jaw and pull bar form.Have a kind of high frequency electric knife now in addition, can play the effect of cutting and coagulation, but need to rely on human body to do electrode, electric current directly acts on human body, has potential safety hazard.
Summary of the invention
It is many that this utility model mainly provides a kind of function, to injury of human little be used safe supersonic operation pincers with endoscope etc.; Solve existing in prior technology operating forceps function singleness, to the prejudicial technical problem of human body.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of supersonic operation pincers, comprise stationary knife head and dynamic cutter head, described stationary knife head is fixed on horn, described horn is connected with ultrasonic transducer, outside described horn, be socketed with interior pipe, be provided with sealing ring between described horn and the described interior pipe, pipe is connected with back handle in described, in described, be socketed with outer tube outside the pipe, described outer tube is connected with front hand grip, front end at outer tube is provided with locating slot, and an end of described dynamic cutter head is located in the locating slot, the end of pipe in dynamic cutter head is installed in; Be provided with the gap between described outer tube and the described interior pipe, described front hand grip and described back handle can relatively move.Utilize sealing ring that horn and interior pipe are separated, in the time of can preventing that ultrasonic transducer from driving the horn vibrations, pipe and outer tube vibration in driving, thus cause the ultrasonic energy loss.Ultrasonic transducer links to each other with horn, and the stationary knife head links to each other with horn, makes the only maximum performance at stationary knife head place of ultrasonic energy, under the different extruding force effect of dynamic cutter head, and tissue or condensed or be cut.Dynamic cutter head is driven by front hand grip, and finishes the action of opening with stationary knife head closure.The elasticity control volume is set between front hand grip and the back handle, can conveniently controls the motion amplitude of dynamic cutter head, also conveniently allow front hand grip reset simultaneously.This utility model as the energy, has avoided high frequency electric knife need rely on human body to make electrode and insulting problem with ultrasound wave.Hyperacoustic cutting power is different because of the organizational structure that is cut object and water content, and generally speaking, for hard objects or fibrous tissue, hyperacoustic dissection mainly shows cracked effect (fragmention); Mainly show cavitation effect (caviatation) for soft tissue or the big soft tissue of water content.The ultrasound wave that will have certain acceleration of vibration when being passed to biological tissue, can cause the elastic vibration of biological tissue by acoustic radiation head (transducer).(g is an acceleration of gravity, about 9.8m/s when acceleration of vibration reaches cutting threshold values 50000g
2) time, fragmentation takes place thereby a large amount of little acoustic streaming that radiation head sends can make biological tissue sharply vibrate, break away from surrounding tissue, cracked effect that Here it is.For the bigger soft tissue of water content, such as cerebroma, hepatocarcinoma, the ultrasound wave that the ultrasonic radiation head produces generates a large amount of bubbles therein.The inside and outside differential pressure of these bubbles can reach thousands of crust, and (acoustic pressure unit, 1 crust=100kPa), the tissue around a large amount of bubble breakings makes is emulsified into gel, Here it is cavitation effect.
As preferably, the leading section of pipe in described dynamic cutter head is installed in by pin, described dynamic cutter head can be around the installation of pin rotary moveable on inner pipe.Dynamic cutter head is by dowel fixes, and rotates around pin, and is simple in structure, makes the dynamic cutter head flexible movements simultaneously.
As more preferably, described stationary knife head and described horn are made into integration, and described outer tube and described front hand grip are one, described in pipe be one with described back handle.Stationary knife head and horn are integrally manufactured, can allow ultrasound wave better be delivered on the stationary knife head, make ultrasound wave maximum in the performance of stationary knife head place.Outer tube and front hand grip are integrally manufactured, and interior pipe and back handle are integrally manufactured, Stability Analysis of Structures, handled easily.The stability of operation is higher, and accuracy is better.
As preferably, on described back handle, be provided with alignment pin, on described front hand grip, be provided with and described alignment pin corresponding groove.Determine the movement travel of front hand grip by the cooperation of groove and alignment pin, thereby better determine the motion amplitude of dynamic cutter head.
As preferably, in described horn, be provided with a service aisle, described service aisle is connected with intake tunnel and attracts passage, described intake tunnel and attraction passage are arranged in the described ultrasonic transducer, described intake tunnel is connecting water inlet, described attraction passage is connecting the attraction mouth, and described service aisle is linked to be straight channel with attracting passage.By attract passage can sucking-off refuse when the operation, utilize the current in the intake tunnel to take refuse out of simultaneously, current can also be lowered the temperature to ultrasonic transducer simultaneously, improve the functional reliability and the service life of ultrasonic transducer.Service aisle is linked to be the sucking-off that straight channel makes things convenient for refuse with attracting passage, can not be blocked in the passage.
As preferably, the integral body that described outer tube and front hand grip constitute is stairstepping, described in pipe and back handle constitute whole stepped, the convex shoulder of described outer tube and described in be provided with spring in the cavity between the convex shoulder of pipe.The cavity of two convex shoulder formation has rationally utilized the space, and is simultaneously simple in structure, and spring is placed in the cavity, saved the space, can control the motion dynamics of front hand grip and resetting of front hand grip by the elastic force of spring simultaneously.
As preferably, the envelope external diameter after the described dynamic cutter head closure is not more than outer tube diameter.So that insert peritoneoscope sheath body endoporus.
As preferably, described outer tube diameter D=5mm, length is 200-500mm, the operating frequency of described ultrasonic transducer is 40KHz～60KHz.
Therefore, a kind of supersonic operation tonger of the present utility model has following advantage: 1, fabulous haemostatic effect.Under action of ultrasonic waves, biological tissue's dehydration generates oxygen, causes blood capillary to be shunk, thereby plays the hemostatic effect.Replaced traditional silk thread hemostasis by ligation method, shortened operating time, and do not stayed foreign body in the body, patient's post-operative recovery is fast; 2, utilize the intake tunnel in the ultrasonic transducer and attract current in the passage, take heat out of, make operating temperature low (being lower than 80 degrees centigrade), can not damage surrounding tissue, and no current passes through body when acting, and is little to tissue injury, so safety is higher than high frequency electric knife far away; 3, little smog and eschar get a clear view in the operation.Can not cause the surrounding tissue carbonization, make wound healing faster; 4, multi-use, separable tissue, grasping tissue cuts and organizes, blood coagulation.When being applied in endoscopic surgery, change the number of times (saving time) of apparatus and appliance configuration quantity (saving money) still less, make minimally invasive surgery time and surgery cost significantly reduce owing to reduced; 5, do not have electric current and patient to connect, patient and medical personnel will never shock by electricity, burn.
Description of drawings:
Fig. 1 is the sketch map of a kind of supersonic operation pincers of the present utility model.
Fig. 2 is the dynamic cutter head of Fig. 1 Inner Front End and the vertical view of stationary knife head.
The specific embodiment:
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As illustrated in fig. 1 and 2, a kind of supersonic operation pincers comprise stationary knife head 1 and dynamic cutter head 2, and stationary knife head 1 is integrally manufactured with horn 6, and horn 6 is connected with ultrasonic transducer 9 by screw thread.Pipe 3 is evenly equipped with 5 sealing rings 5 in being socketed with outside horn 6 between horn 6 and interior pipe 3, and on the pipe 3, the envelope external diameter after dynamic cutter head 2 closures was not more than outer tube 4 diameters in dynamic cutter head 2 was fixed on by pin 15.In pipe 3 stepped, be provided with back handle 13 in the rear end of interior pipe 3, interior pipe 3 is integrally manufactured with back handle 13, interior pipe 3 is wrapped in outside the ultrasonic transducer 9.Be socketed with outer tube 4 outside interior pipe 3, outer tube 4 is stepped, and the segment length that diameter is little is 300mm, and diameter is 5mm.The rear end of outer tube 4 is provided with front hand grip 14, and front hand grip 14 is integrally manufactured with outer tube 4.Front hand grip 14 is positioned at the front end of back handle 13, and the step of the step of interior pipe 3 and outer tube 4 forms a cavity, is provided with spring 7 in cavity, on the step surface of pipe 3 and outer tube 4, manages on 3 in spring 7 is socketed in the two ends of spring 7 are connected to.Be provided with horizontal groove 16 on the annular end face of outer tube 4 and interior pipe 3 joints, be provided with alignment pin 8 on interior pipe 3, alignment pin 8 is used with groove 16.In horn 6, be provided with a service aisle 17, service aisle 17 is connected with intake tunnel 18 and attracts passage 19, intake tunnel 18 and attraction passage 19 are arranged in the ultrasonic transducer 9, intake tunnel 18 is connecting water inlet 12, attract passage 19 connecting and attract mouth 11, attract passage 19 and service aisle 17 to be linked to be the runner of near linear.Ultrasonic transducer 9 is connected with electric component by control electric wire 10, accompanies piezoelectric ceramics in the middle of the ultrasonic transducer 9, and piezoelectric ceramics is connected with control electric wire 10 by contact conductor.
By the folding of operation front hand grip control dynamic cutter head, the dynamics of the spring control operation front hand grip between interior pipe and outer tube can help front hand grip to reset simultaneously.Current in the intake tunnel can surgical site irrigation, and simultaneously by attracting passage that the refuse sucking-off is external, current drive refuse and flow out external the time, also can take away the heat in the ultrasonic transducer, improve the service life of accessory.
Claims (10)
1. a supersonic operation clamps, comprise stationary knife head and dynamic cutter head, it is characterized in that: described stationary knife head is fixed on the horn, described horn is connected with ultrasonic transducer, outside described horn, be socketed with interior pipe, be provided with sealing ring between described horn and the described interior pipe, pipe is connected with back handle in described, in described, be socketed with outer tube outside the pipe, described outer tube is connected with front hand grip, front end at outer tube is provided with locating slot, and an end of described dynamic cutter head is located in the locating slot, the end of pipe in dynamic cutter head is installed in; Be provided with the gap between described outer tube and the described interior pipe, described front hand grip and described back handle can relatively move.
2. a kind of supersonic operation pincers according to claim 1 is characterized in that: the leading section of pipe in described dynamic cutter head is installed in by pin, described dynamic cutter head can be around the installation of pin rotary moveable on inner pipe.
3. a kind of supersonic operation pincers according to claim 1 and 2, it is characterized in that: described stationary knife head and described horn are made into integration, and described outer tube and described front hand grip are one, and described interior pipe is an one with described back handle.
4. a kind of supersonic operation pincers according to claim 1 and 2 is characterized in that: be provided with alignment pin on described back handle, be provided with on described front hand grip and described alignment pin corresponding groove.
5. a kind of supersonic operation pincers according to claim 3 is characterized in that: be provided with alignment pin on described back handle, be provided with on described front hand grip and described alignment pin corresponding groove.
6. a kind of supersonic operation pincers according to claim 1 and 2, it is characterized in that: in described horn, be provided with a service aisle, described service aisle is connected with intake tunnel and attracts passage, described intake tunnel and attraction passage are arranged in the described ultrasonic transducer, described intake tunnel is connecting water inlet, and described attraction passage is connecting the attraction mouth.
7. a kind of supersonic operation pincers according to claim 5, it is characterized in that: in described horn, be provided with a service aisle, described service aisle is connected with intake tunnel and attracts passage, described intake tunnel and attraction passage are arranged in the described ultrasonic transducer, described intake tunnel is connecting water inlet, described attraction passage is connecting the attraction mouth, and described service aisle is linked to be straight channel with attracting passage.
8. a kind of supersonic operation pincers according to claim 1 and 2, it is characterized in that: the integral body that described outer tube and front hand grip constitute is stairstepping, what pipe and back handle constituted in described is whole stepped, the convex shoulder of described outer tube and described in be provided with spring in the cavity between the convex shoulder of pipe.
9. a kind of supersonic operation pincers according to claim 1 and 2, it is characterized in that: the envelope external diameter after the described dynamic cutter head closure is not more than outer tube diameter.
10. a kind of supersonic operation pincers according to claim 1 and 2 is characterized in that: described outer tube diameter D=5mm, and length is 200-500mm, the operating frequency of described ultrasonic transducer is 40KHz-60KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203023503U CN201320217Y (en) | 2008-10-07 | 2008-10-07 | Ultrasound surgical forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203023503U CN201320217Y (en) | 2008-10-07 | 2008-10-07 | Ultrasound surgical forceps |
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| Publication Number | Publication Date |
|---|---|
| CN201320217Y true CN201320217Y (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203023503U Expired - Fee Related CN201320217Y (en) | 2008-10-07 | 2008-10-07 | Ultrasound surgical forceps |
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| CN (1) | CN201320217Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023657A (en) * | 2011-11-15 | 2014-09-03 | 索林股份有限公司 | Ultrasonic surgical instrument |
| CN104224317A (en) * | 2014-09-19 | 2014-12-24 | 江苏昊普生物医学科技有限公司 | Hemostasis electrode and endoscope electrode in focused ultrasound surgery |
| CN106377306A (en) * | 2016-09-21 | 2017-02-08 | 河北医科大学第三医院 | Vertebral plate rongeur with function of synchronous imbibing and washing |
| CN108852468A (en) * | 2018-07-16 | 2018-11-23 | 无锡市中医医院 | A kind of novel ultrasonic knife and its application method |
| CN109009255A (en) * | 2013-12-09 | 2018-12-18 | 泰利福医疗公司 | Slide suture grasper |
| CN109044488A (en) * | 2018-09-28 | 2018-12-21 | 朱海涛 | Operation on liver surgical clamp |
| CN111166428A (en) * | 2018-11-11 | 2020-05-19 | 刘晓华 | Visual ultrasonic knife for surgical operation and operation system |
-
2008
- 2008-10-07 CN CNU2008203023503U patent/CN201320217Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023657B (en) * | 2011-11-15 | 2017-04-05 | 索林股份有限公司 | Ultrasonic surgical instrument |
| CN104023657A (en) * | 2011-11-15 | 2014-09-03 | 索林股份有限公司 | Ultrasonic surgical instrument |
| CN109009255B (en) * | 2013-12-09 | 2021-04-16 | 泰利福医疗公司 | Sliding suture grasper |
| CN109009255A (en) * | 2013-12-09 | 2018-12-18 | 泰利福医疗公司 | Slide suture grasper |
| US11452520B2 (en) | 2013-12-09 | 2022-09-27 | Teleflex Medical Incorporated | Sliding suture grasper |
| CN104224317B (en) * | 2014-09-19 | 2017-04-05 | 江苏昊普生物医学科技有限公司 | Stop blooding in surgery electrode, hysteroscope electrode |
| CN104224317A (en) * | 2014-09-19 | 2014-12-24 | 江苏昊普生物医学科技有限公司 | Hemostasis electrode and endoscope electrode in focused ultrasound surgery |
| CN106377306A (en) * | 2016-09-21 | 2017-02-08 | 河北医科大学第三医院 | Vertebral plate rongeur with function of synchronous imbibing and washing |
| CN108852468A (en) * | 2018-07-16 | 2018-11-23 | 无锡市中医医院 | A kind of novel ultrasonic knife and its application method |
| CN108852468B (en) * | 2018-07-16 | 2023-06-27 | 无锡市中医医院 | Novel ultrasonic knife and use method thereof |
| CN109044488A (en) * | 2018-09-28 | 2018-12-21 | 朱海涛 | Operation on liver surgical clamp |
| CN111166428A (en) * | 2018-11-11 | 2020-05-19 | 刘晓华 | Visual ultrasonic knife for surgical operation and operation system |
| CN111166428B (en) * | 2018-11-11 | 2023-08-01 | 白洁 | Visual ultrasonic knife for surgical operation and surgical system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Hawk Optical Electronic Instruments Co., Ltd. Assignor: Wang Hualin Contract record no.: 2010330000272 Denomination of utility model: Ultrasound surgical forceps Granted publication date: 20091007 License type: Exclusive License Record date: 20100316 |
|
| ASS | Succession or assignment of patent right |
Owner name: HAOKE OPTOELECTRONIC APPARATUS CO., LTD., HANGZHOU Free format text: FORMER OWNER: WANG HUALIN Effective date: 20130408 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310003 HANGZHOU, ZHEJIANG PROVINCE TO: 311200 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130408 Address after: Xiaoshan District of Hangzhou City, Zhejiang province 311200 New Town Road No. 9 Patentee after: Hangzhou Hawk Optical Electronic Instruments Co., Ltd. Address before: 310003 Zhejiang province Hangzhou Xiaoshan District railway station square south side good photoelectric instrument Co., Ltd. Patentee before: Wang Hualin |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hangzhou Hawk Optical Electronic Instruments Co., Ltd. Assignor: Wang Hualin Contract record no.: 2010330000272 Date of cancellation: 20130322 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20121007 |