A kind of ultrasound knife cutter headTechnical field
The invention belongs to technical field of medical instruments, and in particular to a kind of ultrasound knife cutter head.
Background technology
In modern society, with the development of medical technology, bone surgery is presented diversified trend, correspondingly, implements handAffected part cut using knife head for surgical of different shapes, is ground, being scraped treatment, folder, it is necessary to be directed to the different orthopaedics state of an illness during artThe operation such as hold.In surgical operation, soft tissue, sclerous tissues and anthropoid tissue are cut and whole commonly using ultrasound knifeShape.The cutter head of current ultrasound knife based on piece shape cutter head, as shown in Figure 1.And, current this such sheets shape cutter head be mostly withBased on straight-bar, this kind of straight-bar piece shape cutter head can be only done the operation under current visible state, it is impossible to completes such as side and strikes off handArt is operated.
The content of the invention
In order to solve above-mentioned technical problem, the present invention devises a kind of ultrasound knife cutter head, and the cutter head can be completedThe operation technique of various special operational positions.Ultrasound knife cutter head of the invention, including cutter head end, knife bar and blade, the knifeOne end of bar and the cutter head end are connected, and the other end of the knife bar and the blade are connected, wherein, the cutter head endMain body is column construction, and one end of the column construction is formed with relative to the inclined inclined plane of its center axis, the inclinationFace is transitioned into and the centerline axis parallel when the central axis of the column construction or central axis neighbouring position is extended toHorizontal plane or approximately parallel low-angle inclined-plane, and extend to the formation cut end foremost of the cutter head end.
In ultrasound knife cutter head of the invention, preferably, smoothing foremost for the cut end is drawn in as the thin sword of circular arc.
In ultrasound knife cutter head of the invention, preferably, the knife bar is the hollow structure for being centrally formed with through hole, describedThrough hole extends to the front end of the cut end in the opening of the cutter head end.
In ultrasound knife cutter head of the invention, preferably, the knife bar is the hollow structure for being centrally formed with through hole, describedThrough hole extends only into the centre position of the cut end in the opening of cutter head end.
In ultrasound knife cutter head of the invention, preferably, the cut end is foremost tack semi-cylindrical.
In ultrasound knife cutter head of the invention, preferably, the knife bar is the hollow structure for being centrally formed with through hole, describedThrough hole extends only into the centre position of the cut end in the opening of cutter head end.
In ultrasound knife cutter head of the invention, preferably, the both sides of the cut end are put the first edge on a knife or a pair of scissors or tooth punching is cut so as to form sideCut sword or side cutting teeth.
In ultrasound knife cutter head of the invention, preferably, the knife bar and the cutter head end are integral structures.
It is preferably, flat by inclined-plane or arc surface between the knife bar and the blade in ultrasound knife cutter head of the inventionSlip over and cross connection.
Further, the blade other end is connected by ultrasonic transducer with specific ultrasonic main frame, the blade it is anotherOne end is provided with connection screw thread, and the connection screw thread is embedded connection screw thread or externally embedded type connection screw thread；On the blade alsoIt is provided with clamping part.
The ultrasound knife cutter head has the advantages that：
(1) energy produced by ultrasonic transducer can all be converged at cutter head end by the ultrasound knife cutter head in the present invention(maximally effective working portion), there is most strong energy to export to make the knife fore-end of cutter, reach most strong working effect, andThe present invention is easy to process.
(2) transverse teeth can be opened with side in the present invention, the horizontal pulling being easy in cutting process is cut, and reduces horizontal arcTo motion, it is applicable in more occasions, it is easy to use.
(3) present invention in cutter head tip circular arc chip be designed to help doctor be more prone in the wound of hole shapeCarry out cutting tissue operation, by increasing capacitance it is possible to increase the accuracy of operation, shorten operating time, improve the security of operation.
(4) the flat-top semi-cylindrical cutter head in the present invention can have more preferable temperature characterisitic.
(5) ultrasound knife cutter head of the invention is hollow structure, has hollow deep-slotted chip breaker on cutter head end with irrigation liquid, canEnsure that flushing liquor is flowed out by cutter head end, help to lower the temperature cutter head in operation, operation risk is further droppedLow, operation safety, success rate are improved.
Brief description of the drawings
Fig. 1 is the structural representation of ultrasound knife cutter head in the prior art；
Fig. 2 is the schematic perspective view of the first embodiment of ultrasound knife cutter head of the invention；
Fig. 3 is the front view of the first embodiment of ultrasound knife cutter head of the invention；
Fig. 4 is the upward view of the first embodiment of ultrasound knife cutter head of the invention；
Fig. 5 is the front view of the second embodiment of ultrasound knife cutter head of the invention；
Fig. 6 is the schematic perspective view of the 3rd implementation method of ultrasound knife cutter head of the invention；
Fig. 7 is the schematic perspective view of the 4th implementation method of ultrasound knife cutter head of the invention.
In figure：
1-cutter head end；11-cut end；12-front cutting sword；13-side cutting edge or cutting teeth；14-hollowDeep-slotted chip breaker；2-knife bar；3-blade；31-connection screw thread；32-clamping part.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementationMode is a part of implementation method of the invention, rather than whole implementation methods.Based on the implementation method in the present invention, this areaThe every other implementation method that those of ordinary skill is obtained under the premise of creative work is not made, belongs to guarantor of the present inventionThe scope of shield.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely toBe easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second "," the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phaseCompany ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；CanBeing to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke YishiTwo connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at thisConcrete meaning in invention.
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
Fig. 2~Fig. 4 shows the ultrasound knife cutter head of first embodiment of the invention.Fig. 2 is first embodiment of the inventionUltrasound knife cutter head schematic perspective view, Fig. 3 be its front view, Fig. 4 be its upward view.As shown in Figure 2 to 4, the present invention is realThe ultrasound knife cutter head for applying mode includes cutter head end 1, knife bar 2 and blade 3, and the one end of knife bar 2 and cutter head end 1 connect, and knife bar 2 is anotherOne end and blade 3 are connected, and blade 3 is connected by ultrasonic transducer with specific ultrasonic main frame.The main body of the cutter head end 1 isColumn construction, one end of the column construction is formed with relative to the inclined inclined plane of its center axis, and the inclined plane is being prolongedSwitch to the horizontal plane with the centerline axis parallel when central axis or central axis neighbouring position that reach the column constructionOr approximately parallel low-angle inclined-plane, and extend to the cut end of formation foremost 11 of the cutter head end 1.Cut end 11Foremost gradually smoothly (again obliquely) draw in for the thin sword of circular arc as front cutting sword 12.In present embodiment,Inclined plane switchs to horizontal plane and extends to cutter head when extending to the position of the central axis close beneath of column constructionEnd 1 is foremost.Seamlessly transitted by arc surface between inclined plane and horizontal plane or the inclined-plane of level of approximation.According to the present inventionIn ultrasound knife cutter head, the energy produced by ultrasonic transducer can all be converged at cutter head end (maximally effective work departmentPoint), there is most strong energy to export to make the knife fore-end of cutter, reach most strong working effect, and the easy ultrasound of the present inventionKnife cutter head is easy to process.
In addition, in the ultrasound knife cutter head of first embodiment of the invention, knife bar 2 is the hollow knot for being centrally formed with through holeStructure, through hole continues up to the front end of cutter head end 1, and through hole forms hollow deep-slotted chip breaker 14 in the opening of cutter head end 1, inEmpty deep-slotted chip breaker 14 is used for irrigation liquid.In present embodiment, hollow deep-slotted chip breaker 14 continues up to cutter head with thicker diameterThe bottom of the thin sword of circular arc foremost of end 1 so that cut end turns into semi-barrel shape arc plate.Knife bar 2 and cutter head end 1 can be withIt is that integral structure, or separable assembled are formed.Knife bar 2 and cutter head end 1 are integral structures in present embodiment.InThe ultrasound knife cutter head of hollow structure can ensure that perfusion liquid is flowed out by the posterior face of cutter head end such that it is able to abundant water filling, operationWhen whole cutter head head and the tissue that touches is completely in the cleaning of perfusion liquid in real time and is cooled down, it is ensured that it is removedTissue discharge immediately, incision is got a clear view cleaning, and protect residue to retain tissue not to be damaged such that it is able to which reduction is performed the operationRisk.
In addition, in the ultrasound knife cutter head of first embodiment of the invention, the one end of knife bar 2 connection cutter head end 1, knife bar 2The other end connects blade 3.Seamlessly transitted by inclined-plane or arc surface between knife bar 2 and blade 3.The other end of blade 3 sets and connectsScrew thread 31 is connect, it is embedded, or externally embedded type that connection screw thread 31 can be.Externally embedded type connection is employed in present embodimentHelicitic texture.Clamping part 32 is additionally provided with blade 3.During work, the connection screw thread 31 of the afterbody of blade 3 and specific ultrasound are changedEnergy device connection, and tightened with corresponding spanner, then ultrasonic transducer is connected to specific ultrasound main frame, you can it is operated.
Fig. 5 shows the ultrasound knife cutter head of second embodiment of the invention.As shown in figure 5, second implementation method is superSound knife cutter head is basically identical with the ultrasound knife cutter head of first implementation method, and difference is, the cut end 11 of cutter head end 1It is foremost flat-top half cylindrical structure, the both sides of cut end 11 are put the first edge on a knife or a pair of scissors or tooth punching forms side cutting edge or cutting teeth 13, sideJust cut to both sides.The flat-top cutter head of flat-top half cylindrical structure has more preferable temperature characterisitic, is more beneficial in cuttingThe radiating and cooling of cutter head, can protect cutter head to be not damaged by, while make the cut tissue for undergoing surgery from damaging, canEnough extend the cutter head life-span, success rate of operation can be improved again.
Fig. 6 shows the 3rd three-dimensional schematic diagram of the ultrasound knife cutter head of implementation method of the invention.As shown in fig. 6,The ultrasound knife cutter head of the implementation method is basically identical with the ultrasound knife cutter head of first implementation method, and difference is cutter head endThe inclined plane in portion 1 switchs to approximate with the central axis when extending near the central axis or central axis of column constructionParallel low-angle inclined-plane simultaneously extends to the cut end of formation foremost 11 of cutter head end 1, cut end 11 foremost byGradually smoothly gathering is the thin sword of circular arc as front cutting sword 12.The both sides of cut end 11 put the first edge on a knife or a pair of scissors to form side cutting edge 13,It is convenient to be cut to both sides or the operation technique such as side is struck off.
In addition, in the ultrasound knife cutter head of second, third implementation method of the invention, knife bar 2 is centrally formed with through holeHollow structure, through hole continues up to the front end of cutter head end 1, and through hole is formed in the centre position opening of cutter head end 1Hollow deep-slotted chip breaker 14, hollow deep-slotted chip breaker 14 is used for irrigation liquid.Hollow deep-slotted chip breaker 14 is only extended to cutter head with thinner diameterThe centre position of end 1 so that cut end possesses the semi-cylinder similar of elongated slot as center.Knife bar 2 and cutter head end 1 can be withIt is that integral structure, or separable assembled are formed.Knife bar 2 and cutter head end 1 are integral types in second, third implementation methodStructure.Equally, the ultrasound knife cutter head of the hollow structure according to present embodiment, it can be ensured that perfusion liquid by cutter head end rear portionFlow out on surface such that it is able to abundant water filling, whole cutter head head is completely in filling in real time with the tissue for touching during operationIn the cleaning of fluid injection and cooling, it is ensured that removed tissue is discharged immediately, incision is got a clear view cleaning, and protection residue will be protectedTissue is stayed not to be damaged such that it is able to reduce operation risk.
Fig. 7 shows the schematic perspective view of the ultrasound knife cutter head of four embodiment of the invention.As shown in fig. 7, the realityThe ultrasound knife cutter head applied in mode is basically identical with the ultrasound knife cutter head of the 3rd implementation method, and difference is cut end 11Both sides tooth punchings forms side cutting teeth 13, convenient to be cut to both sides or the operation technique such as side is struck off.According to this embodiment partyThe ultrasound knife cutter head of formula, can all converge at cutter head end (maximally effective work department by the energy produced by ultrasonic transducerPoint), there is most strong energy to export to make the knife fore-end of cutter, reach most strong working effect, and the present invention is easy to process.Transverse teeth can be opened with side in the present invention, the horizontal arc for pulling cutting, reduction transverse direction being easy in cutting process can be fitted to motionIt is easy to use in for more occasions.The circular arc chip at cutter head tip is designed to help doctor to be more prone in the present inventionCutting tissue operation is carried out in the wound of hole shape, by increasing capacitance it is possible to increase the accuracy of operation, shorten operating time, improve handThe security of art.
Finally it should be noted that：Each implementation method is merely illustrative of the technical solution of the present invention above, rather than its limitations；Although being described in detail to the present invention with reference to foregoing each implementation method, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing each implementation method, or to which part or whole technologiesFeature carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from each implementation of the present inventionThe scope of mode technical scheme.