CN102335038A - Structure for connecting sound generator and knife head in ultrasound knife - Google Patents
Structure for connecting sound generator and knife head in ultrasound knife Download PDFInfo
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- CN102335038A CN102335038A CN2011102115754A CN201110211575A CN102335038A CN 102335038 A CN102335038 A CN 102335038A CN 2011102115754 A CN2011102115754 A CN 2011102115754A CN 201110211575 A CN201110211575 A CN 201110211575A CN 102335038 A CN102335038 A CN 102335038A
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Abstract
The invention discloses a structure for connecting a sound generator and a knife head in an ultrasound knife, which comprises the sound generator and a work part, wherein the sound generator is in threaded connection with the work part and is provided with a thread connecting head; the work part comprises a casing, a center rod which can be rotatably arranged inside the casing as well as the knife head; one end of the center rod is connected with the knife head; and the other end of the center rod is in thread fit connection with the sound generator; and a protecting device is arranged in the casing and is used for enabling the center rod to rotate along with the thread connecting head when a certain torque reaches in the process of relatively screwing the sound generator with the center rod. By adopting the technical scheme, according to the structure for connecting the sound generator and the knife head in the ultrasound knife, a torque wrench and the work part are integrated, so that the phenomenon that the thread connecting head is cracked because of the condition caused by individual differences during connection that the screwing cannot be realized or force is excessively applied can be avoided.
Description
Technical field
the present invention relates to a kind of medical apparatus and instruments, relate in particular to sonic generator and cutter head syndeton in a kind of ultrasound knife.
Background technology
ultrasound knife is a penetration power of utilizing ultrasound wave extremely strong; Hundreds of bundle high-energy ultrasounds through the sonic generator emission; As assembling solar energy focus is compiled organizationally, utilized the high-energy ultrasonic cavitation to make the histiocyte film rupture, high-energy ultrasound discharges huge energy and is converted into heat energy rapidly simultaneously; Moment, the temperature of along tissue reached 70 ℃-100 ℃, thereby cut.
ultrasound knife as a novel surgery energy instrument in the mirror surgery of chamber, plant use increasingly extensive; The cutter head of its work will be changed frequently in this apparatus; Has threaded connector on the sonic generator; With work cutter head through being threaded, the reliability that cutter head will guarantee that they connect is installed at every turn.But because threaded connector is very thin, be generally φ 3mm, therefore can not over-drasticly screw, otherwise can damage threaded connector and cause scrapping of whole sonic generator.In the prior art, connecting the two must be constant wrench with its twisting resistance of a special use, could not only guarantee the reliability that connects but also can guarantee that the threaded connector on the generator does not damage like this; But many special torque wrenches of meeting in the use of reality; Because this spanner is smaller, is again special-purpose, the phenomenon of when operating room is sterilized, losing through regular meeting; Often for gadgety losing, and complete machine can't be worked.
Summary of the invention
the object of the present invention is to provide sonic generator and cutter head syndeton in a kind of ultrasound knife for overcoming the above problems.
are in order to reach above purpose; The technical scheme that the present invention adopts is: sonic generator and cutter head syndeton in the ultrasound knife; It comprises sonic generator and the operate portions that is threaded mutually, and sonic generator has threaded connector, it is characterized in that: operate portions comprises housing, can be rotatably set in the center-pole of enclosure interior, cutter head; One end of center-pole is connected with cutter head; The other end and sonic generator threaded engagement connection mutually also are provided with a protector in the housing, be used in the process that sonic generator is screwed with center-pole relatively center-pole being rotated with threaded connector.
further, protector comprise be located at shell intravital with co-axial baffle ring of center-pole and the elastic ring of fixed cover on center-pole, the inwall of baffle ring is provided with block; The outer wall of elastic ring is provided with elastomer block; In the process that sonic generator and center-pole are screwed relatively, when moment during less than a predetermined value, block and elastomer block offset; When moment during greater than this predetermined value, elastomer block is crossed block and slippage.So-called predetermined value; Be when sonic generator and center-pole are screwed relatively; Elastomer block is in offset with block and crosses block and the value of the moment of the critical state of slippage, less than this predetermined value, then elastomer block and block offset like moment; Greater than this predetermined value, then elastomer block is crossed block and slippage like moment.
further, baffle ring can be arranged in the housing along center-pole is axially movable.
preferably, on housing, being provided with can be along the axially movable push button of center-pole, this push button is connected with baffle ring.When along center-pole axially when the sonic generator direction pushes away this push button, baffle ring moves and is enclosed within outside the elastic ring, when pushing away this push button round about, baffle ring moves away from elastic ring.
Through adopting technique scheme, sonic generator and cutter head syndeton in the ultrasound knife of the present invention are that torque wrench and operate portions are united two into one
; When sonic generator was connected with operate portions, push button pushed away to the sonic generator direction, and the whir wave producer docks with cutter head; Because elastomer block blocked by block, so center-pole can not rotate with sonic generator, when sonic generator and cutter head to after connecting; Continue firmly rotation, rotation firmly is enlarged to elastomer block and crosses block, and sends a sound; The prompting sound wave producer has been connected with cutter head, as continuing rotation again, owing to there be not stopping of block; Center-pole can rotate with sonic generator, and the two can not produce relativity power, when rotating to elastomer block when running into block once more; Elastomer block can be crossed block once more, and the power that elastomer block is crossed the required use of block is constant power, also be sonic generator with operate portions between be connected closely required power.Such structure can guarantee when connecting, can not cause because of people's difference the excessive connecting thread union joint fracture that causes of not screwing or exert oneself.
Description of drawings
Accompanying drawing 1 is the structural representation of operate portions of the present invention;
Accompanying drawing 2 is the structural representation of protector of the present invention;
accompanying drawing 3 is the structural representation of sonic generator of the present invention.
Label is among the figure:
10, operate portions; 11, housing; 111, grip part; 12, center-pole; 13, cutter head; 14, screwed hole; 15, baffle ring; 151, block; 152, inserted block; 16, elastic ring; 161, elastomer block; 17, push button; 171 contiguous blocks;
20, sonic generator; 21, threaded connector.
The specific embodiment
Set forth preferred embodiment of the present invention below in conjunction with accompanying drawing in detail
, thereby so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
embodiment shown in accompanying drawing 1 to accompanying drawing 3; Sonic generator and cutter head syndeton in the ultrasound knife; It comprises the sonic generator 20 and operate portions 10 that is threaded mutually; Sonic generator 20 has threaded connector 21; It is characterized in that: the cutter head 13 that operate portions 10 comprises housing 11, can be rotatably set in the inner center-pole 12 of housing 11, be connected with sonic generator 20 through center-pole 12; One end of center-pole 12 is connected with cutter head 13, and the other end is provided with the screwed hole 14 that matches with threaded connector 21, also is provided with the protector that center-pole 12 is rotated at whir wave producer 20 with threaded connector 21 in the housing 11.
protector comprise be located in the housing 11 with center-pole 12 co-axial baffle rings 15 and the elastic ring 16 of fixed cover on center-pole 12; Elastic ring 16 is arranged on an end that is connected with sonic generator 20 of center-pole 12 in the present embodiment, promptly is positioned at the outside of screwed hole 14.The inwall of baffle ring 15 is provided with block 151, and the outer wall of elastic ring 16 is provided with elastomer block 161, and elastomer block 161 offsets with block 151 and under whir wave producer 20 and situation that operate portions 10 is connected, when reaching certain moment, can cross block 151.The number and the volume of baffle ring 151 and elastic ring 161 can design according to actual needs; Need guarantee power required when elastomer block 161 is crossed block 151 during design less than the power that threaded connector 21 rotation is damaged, and required power can make threaded connector 21 and screwed hole 14 screw reliably when guaranteeing that elastomer block 161 is crossed block 151.In the present embodiment, block 151 and elastomer block 161 everybody 4, and all arranged evenly around its axial line equal angles.
When sonic generator 20 directions push away this push button 17, baffle ring 15 moves axially along center-pole 20 and is enclosed within outside the elastic ring 16
.When whir wave producer 20 was connected with operate portions 10, owing to elastomer block 161 is blocked by block 151, so center-pole 12 can not rotate with sonic generator 20; After sonic generator 20 and 13 pairs of cutter heads connect, continue firmly rotation, rotation firmly is enlarged to elastomer block 161 and crosses block 151; Make center-pole 12 and threaded connector 21 slippages, and send a sound, prompting sound wave producer 20 has been connected with cutter head 13; As continue rotation again, owing to there be not stopping of block 161, center-pole 12 can be with sonic generator 20 rotations; The two can not produce relativity power, and when rotating to elastomer block 161 when running into block 151 once more, elastomer block 161 can be crossed block 151 once more; Slippage once more because the power of slippage is a constant power, therefore can protect threaded connector 21 can greatly not damage because of exerting oneself.
are when to cutter head 13 these push buttons 17 of direction; Baffle ring 15 moves and away from elastic ring 16; Because center-pole 12 is rotatable, there be not the effect of block 151 again with elastomer block 161, at this moment do not connect with operate portions 10 as connecting sonic generator 20.
the foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. sonic generator and cutter head syndeton in the ultrasound knife; It comprises sonic generator (20) and the operate portions (10) that is threaded mutually; Described sonic generator (20) has threaded connector (21); It is characterized in that: described operate portions (10) comprises housing (11), can be rotatably set in said housing (11) inner center-pole (12), cutter head (13); One end of described center-pole (12) is connected with cutter head (13); The other end and sonic generator (20) threaded engagement connection mutually, described housing also is provided with a protector in (11), is used in the process that sonic generator (20) is screwed with center-pole (12) relatively said center-pole (12) being rotated with threaded connector (21).
2. sonic generator and cutter head syndeton in the ultrasound knife according to claim 1; It is characterized in that: described protector comprise be located in the said housing (11) with co-axial baffle ring of said center-pole (12) (15) and the elastic ring (16) of fixed cover on described center-pole (12); The inwall of said baffle ring (15) is provided with block (151); The outer wall of described elastic ring (16) is provided with elastomer block (161); In the process that sonic generator (20) and center-pole (12) are screwed relatively, when moment during less than a predetermined value, block (151) offsets with elastomer block (161); When moment during greater than this predetermined value, said elastomer block (161) is crossed said block (151) and slippage.
3. sonic generator and cutter head syndeton in the ultrasound knife according to claim 2 is characterized in that: described baffle ring (15) can be arranged in the said housing (11) along said center-pole (12) is axially movable.
4. sonic generator and cutter head syndeton in the ultrasound knife according to claim 3; It is characterized in that: on described housing (11), being provided with can be along the axially movable push button (17) of said center-pole (12), and this push button (17) is connected with described baffle ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110211575 CN102335038B (en) | 2011-07-27 | 2011-07-27 | Ultrasound knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110211575 CN102335038B (en) | 2011-07-27 | 2011-07-27 | Ultrasound knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102335038A true CN102335038A (en) | 2012-02-01 |
| CN102335038B CN102335038B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110211575 Active CN102335038B (en) | 2011-07-27 | 2011-07-27 | Ultrasound knife |
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| CN (1) | CN102335038B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014187318A1 (en) * | 2013-05-22 | 2014-11-27 | 瑞奇外科器械(中国)有限公司 | Ultrasonic knife cutting head and ultrasonic knife |
| CN104224279A (en) * | 2013-06-18 | 2014-12-24 | 瑞奇外科器械(中国)有限公司 | Ultrasonic shears tip and clamping drive mechanism thereof |
| CN105919652A (en) * | 2016-06-23 | 2016-09-07 | 山东威瑞外科医用制品有限公司 | Ultrasound knife with clamping arm driving unit |
| CN105943124A (en) * | 2016-06-23 | 2016-09-21 | 山东威瑞外科医用制品有限公司 | Ultrasonic scalpel with transducer quick connecting device |
| CN106901804A (en) * | 2015-12-22 | 2017-06-30 | 无锡祥生医学影像有限责任公司 | Ultrasound knife transducer module and ultrasound knife |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799908B (en) * | 2015-04-24 | 2017-08-08 | 重庆康美唯外科器械有限公司 | Structure and its ultrasound knife are twisted for what ultrasound knife was connected |
| CN106214245A (en) * | 2016-07-14 | 2016-12-14 | 安隽医疗科技(南京)有限公司 | A kind of ultrasound knife system |
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| US20050261582A1 (en) * | 2004-05-18 | 2005-11-24 | Matthew Becker | Intracorporeal probe with disposable probe body |
| CN201260687Y (en) * | 2008-07-18 | 2009-06-24 | 华外医疗器械(上海)有限公司 | Repeatedly-usable ultrasound tool bit device |
| CN101828943A (en) * | 2010-05-11 | 2010-09-15 | 广东工业大学 | Ultrasonic orthopedic surgery saw |
| CN202198673U (en) * | 2011-07-27 | 2012-04-25 | 苏州法兰克曼医疗器械有限公司 | Connecting structure of sound generator and cutter head in ultrasonic cutter |
-
2011
- 2011-07-27 CN CN 201110211575 patent/CN102335038B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050261582A1 (en) * | 2004-05-18 | 2005-11-24 | Matthew Becker | Intracorporeal probe with disposable probe body |
| CN201260687Y (en) * | 2008-07-18 | 2009-06-24 | 华外医疗器械(上海)有限公司 | Repeatedly-usable ultrasound tool bit device |
| CN101828943A (en) * | 2010-05-11 | 2010-09-15 | 广东工业大学 | Ultrasonic orthopedic surgery saw |
| CN202198673U (en) * | 2011-07-27 | 2012-04-25 | 苏州法兰克曼医疗器械有限公司 | Connecting structure of sound generator and cutter head in ultrasonic cutter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014187318A1 (en) * | 2013-05-22 | 2014-11-27 | 瑞奇外科器械(中国)有限公司 | Ultrasonic knife cutting head and ultrasonic knife |
| 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 |
| CN104173093B (en) * | 2013-05-22 | 2017-10-13 | 天津瑞奇外科器械股份有限公司 | Ultrasound knife cutter head and ultrasound knife |
| US9814482B2 (en) | 2013-05-22 | 2017-11-14 | China Surgical (Shanghai) Corporation | Ultrasonic surgical instrument and ultrasonic surgical system |
| CN104224279A (en) * | 2013-06-18 | 2014-12-24 | 瑞奇外科器械(中国)有限公司 | Ultrasonic shears tip and clamping drive mechanism thereof |
| CN106901804A (en) * | 2015-12-22 | 2017-06-30 | 无锡祥生医学影像有限责任公司 | Ultrasound knife transducer module and ultrasound knife |
| CN106901804B (en) * | 2015-12-22 | 2020-03-31 | 无锡祥生医疗科技股份有限公司 | Ultrasonic knife transducer module and ultrasonic knife |
| CN105919652A (en) * | 2016-06-23 | 2016-09-07 | 山东威瑞外科医用制品有限公司 | Ultrasound knife with clamping arm driving unit |
| CN105943124A (en) * | 2016-06-23 | 2016-09-21 | 山东威瑞外科医用制品有限公司 | Ultrasonic scalpel with transducer quick connecting device |
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| Publication number | Publication date |
|---|---|
| CN102335038B (en) | 2013-04-10 |
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