Summary of the invention
The purpose of the present invention is to provide a kind of medical bitt compressors, to overcome deficiency in the prior art.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of medical bitt compressor, and dismounting is set to described including hollow cylinder and respectivelyThe preceding pressure cable lock at cylinder both ends and rear pressure cable lock, the cylinder includes preceding housing, rear housing and the stayed mast of coaxial arrangement, describedPreceding housing is slideably positioned in the rear housing close to one end of the rear housing, and the preceding housing deviates from the one of the rear housingEnd has protruded out the first clamping portion, and first clamping portion center is equipped with the first blocked hole, and first blocked hole is connected to describedThe inside of preceding housing, the one end for pressing cable that the nearly preceding housing lock against before described are equipped with removable second loaded on first clamping portionBlocked hole and removable the second clamping portion loaded on first blocked hole, after described it is outer put on be equipped with handle and can front and back pullTransmission handle, the stayed mast central fovea is equipped with first passage, and the stayed mast is slideably positioned in the preceding housing and rear housingIt is interior, and protrude from outside the rear housing, the transmission handle is articulated with the stayed mast, and the stayed mast is away from the rear housingOne end central fovea be equipped with third blocked hole, the third blocked hole is connected to the first passage, it is described after pressure cable lock against closelyOne end of the stayed mast is equipped with removable third clamping portion and the 4th clamping portion loaded on the third blocked hole.
Preferably, in above-mentioned medical bitt compressor, it includes drawing head, the first mounting blocks and the first lock that cable lock is pressed before describedTight block, the drawing head is removable to be set to one end that first mounting blocks deviate from the cylinder, recessed in the drawing headThere is second channel, third channel is recessed in first mounting blocks, first latch segment is movably set in first peaceFilling block, second blocked hole and the second clamping portion are set to first mounting blocks close to one end of the cylinder, and described theTriple channel runs through second clamping portion, and the second channel is connected to the third channel.
Preferably, in above-mentioned medical bitt compressor, it includes the second mounting blocks and the second latch segment, institute that cable lock is pressed after describedIt states the second latch segment and is movably set in second mounting blocks, the 4th clamping portion is set to second mounting blocks close to instituteOne end of cylinder is stated, the third clamping portion is set to the outer wall that second mounting blocks deviate from one end of the cylinder,Fourth lane is recessed in second mounting blocks, the fourth lane runs through the 4th clamping portion.
Preferably, in above-mentioned medical bitt compressor, distance of shaft centers between second blocked hole and the second clamping portion withDistance of shaft centers between the third clamping portion and the 4th clamping portion is identical.
Preferably, in above-mentioned medical bitt compressor, it is described after outer casing inner wall inwardly protruded out cyclic annular first boss and theTwo boss, the stayed mast expansion bearing is in the first boss and second boss, and the first boss is close to described secondOne end of boss is equipped with pulling force housing, and the pulling force housing is sheathed on the stayed mast, and the pulling force housing is cut with scissors by drive rodIt is connected to the transmission handle.
Preferably, in above-mentioned medical bitt compressor, the first spring, institute are equipped between the second boss and pulling force housingIt states the first spring and has protruded out convex extension part close to the end of the pulling force housing, and be held in the pulling force housing.
Preferably, in above-mentioned medical bitt compressor, the stayed mast is equipped with close to one end of the preceding pressure cable lock to be resettedBaffle, the reseting baffle center are equipped with the Five-channel being connected to the first passage, the first boss and the resetIt is equipped with second spring between baffle, third spring is equipped between the first boss and the preceding housing.
Preferably, in above-mentioned medical bitt compressor, the stayed mast is equipped with close to one end bottom of the rear pressure cable lockSawtooth, it is outer after described to put on the lock for being equipped with and being correspondingly arranged with the sawtooth.
Compared with the prior art, the advantages of the present invention are as follows: medical bitt compressor of the present invention is easy to operate, singlehandedTight cable operation is completed, while preceding pressure cable lock and rear pressure cable lock are that removable mode is fixed, the operation to the cable of different modelWhen, it is only necessary to pressure cable lock and rear pressure cable lock before replacement reduce use cost, in addition, preceding pressure cable lock and rear pressure cable lock and cylinderThere are two types of mounting means, it can be achieved that cable is passed through from inner barrel or outside for tool between body, expands application range.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out detailed retouchIt states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present inventionIn embodiment, those of ordinary skill in the art's every other implementation obtained without making creative workExample, shall fall within the protection scope of the present invention.
Join shown in Fig. 1 to Fig. 8, the medical bitt compressor in the present embodiment, dismounts including hollow cylinder 100 and respectively and setIt is placed in the preceding pressure cable lock 200 and rear pressure cable lock 300 at 100 both ends of cylinder, cylinder 100 includes the preceding housing 110, rear outer of coaxial arrangementSet 120 and stayed mast 130, preceding housing 110 are slideably positioned in rear housing 120 close to one end of rear housing 120, preceding housing 110The first clamping portion 111 has been protruded out away from one end of rear housing 120,111 center of the first clamping portion is equipped with the first blocked hole 112, theThe inside of housing 110 before one blocked hole 112 is connected to, preceding pressure cable lock 200 are equipped with by one end of nearby housing 110 and removable are loaded on theSecond blocked hole of one clamping portion 111 and removable the second clamping portion for being loaded on the first blocked hole 112 are equipped on rear housing 120Handle 400 and can the transmission handle 500 pulled of front and back, 130 central fovea of stayed mast is equipped with first passage 131, and the sliding of stayed mast 130 is setIt is placed in preceding housing 110 and rear housing 120, and protrudes from outside rear housing 120, transmission handle 500 is articulated with stayed mast 130, drawsPower bar 130 is equipped with third blocked hole 132 away from one end central fovea of rear housing 120, and third blocked hole 132 is connected to first passage131, it is rear that cable lock 300 is pressed to be equipped with the removable third clamping portion and the 4th loaded on third blocked hole 132 close to one end of stayed mast 130Clamping portion.
In the technical solution, medical bitt compressor of the present invention is easy to operate, and one hand can be completed tight cable and operate, while beforePressing cable lock and rear pressure cable lock is that removable mode is fixed, when to the operation of the cable of different model, it is only necessary to press cable before replacementLock and rear pressure cable lock, reduce use cost, in addition, there are two types of installation sides for tool between preceding pressure cable lock and rear pressure cable lock and cylinderFormula expands application range, it can be achieved that cable is passed through from inner barrel or outside.
Further, preceding pressure cable lock 200 includes drawing head 210, the first mounting blocks 220 and the first latch segment 230, drawing head210 removable one end for being set to the first mounting blocks 220 and deviating from cylinder 100, are recessed with second channel 211 in drawing head 210, theThird channel 221 is recessed in one mounting blocks 220, the first latch segment 230 is movably set in the first mounting blocks 220, the second clampingHole 222 and the second clamping portion 223 are set to the first mounting blocks 220 close to one end of cylinder 100, and third channel 221 runs through secondClamping portion 223, second channel 211 are connected to third channel 221.
In the technical solution, the structure of the first latch segment and belong to the prior art with the mounting means of the first mounting blocks,This is not just repeated one by one, can be locked and be unclamped cable, second channel is recessed in drawing head, and be connected to third channel,The channel passed through as cable.
Further, pressure cable lock 300 includes the second mounting blocks 310 and the second latch segment 320 afterwards, and the second latch segment 320 is livingDynamic to be sheathed on the second mounting blocks 310, the 4th clamping portion 313 is set to the second mounting blocks 310 close to one end of cylinder 100, thirdClamping portion 312 is set to the second mounting blocks 310 and is recessed with the 4th in the outer wall of one end of cylinder 100, the second mounting blocks 310Channel 311, fourth lane 311 run through the 4th clamping portion 313.
In the technical solution, the structure of the second latch segment and belong to the prior art with the mounting means of the second mounting blocks,This is not just repeated one by one, can lock and unclamp cable, fourth lane is recessed in the second mounting blocks, and through the 4th clampingPortion, the channel passed through as cable.
Further, the distance of shaft centers between the second blocked hole 222 and the second clamping portion 223 and third clamping portion 312 and theDistance of shaft centers between four clamping portions 313 is identical.
In the technical solution, it is ensured that after preceding pressure cable lock and rear pressure cable lock installation, third channel and fourth lane are in sameIn straight line, avoid cable because by card press due to be unable to reach expected from tighten degree.
Further, rear 120 inner wall of housing has inwardly protruded out cyclic annular first boss 121 and second boss 122, stayed mastIn first boss 121 and second boss 122, first boss 121 is equipped with 130 expansion bearings close to one end of second boss 122Pulling force housing 510, pulling force housing 510 are sheathed on stayed mast 130, and pulling force housing 510 is articulated with transmission handle by drive rod 520500。
In the technical solution, transmission handle is pulled, drives pulling force housing to move backward together by drive rod, to push drawingPower bar and rear pressure cable lock move backward, and realize that cable is tightened backward.
Further, the first spring 600 is equipped between second boss 122 and pulling force housing 510, the first spring is close to pulling forceThe end of housing 510 has protruded out convex extension part, and is held in pulling force housing 510.
In above-mentioned technical proposal, after pulling force housing pushes stayed mast and rear pressure cable lock to move backward, transmission handle is unclamped, thePulling force housing and transmission handle are pushed back original position under the action of one spring.
Further, stayed mast 130 is equipped with reseting baffle 133 by one end of nearby pressure cable lock 200, and reseting baffle center is setThere is the Five-channel being connected to first passage 131, second spring 700 is equipped between first boss 121 and reseting baffle, first is convexThird spring 800 is equipped between platform 121 and preceding housing 110.
In the technical solution, reseting baffle can be integrally formed with stayed mast, can also be used split type, pass through screw thread or mistakeBe full of cooperation etc. modes be fixedly connected, in the case of stayed mast unlocks, second spring amount of money third spring make respectively stayed mast andPreceding housing resets.
Further, stayed mast 130 is equipped with sawtooth 134 close to one end bottom of rear pressure cable lock 300, sets on rear housing 120There is the lock 900 being correspondingly arranged with sawtooth 134.
In the technical solution, lock is used for monodirectional locking stayed mast.
In use process, preceding pressure cable lock and rear pressure cable lock are installed on cylinder by the second clamping portion and the 4th clamping portion respectivelyThe nozzle of drawing head front end curve bend is aligned and is resisted against at the cable mouth out that outer lock links closely, then will wear by body both endsCable in tight locking button successively lock by preceding pressure cable lock, cylinder and rear pressure cable, the second latch segment is locked, thus after clamping in pressure cable lockCable, pulling transmission handle backward moves backward stayed mast and rear pressure cable lock, so that cable be driven to tighten backward, then unclampsIt is driven handle, pulling force housing and transmission handle are pushed back original position under the action of the first spring, and in the process, lock resilient abutment existsStayed mast bottom is simultaneously intermeshed with sawtooth, and stayed mast is made to be in the unidirectional locking shape that can only be moved and cannot be moved along backwardState, to prevent stayed mast and rear pressure cable lock from freely springing back reset forward after release is driven handle, when cable is repeatedly being pulled backwardWhen being constantly tightened to a certain degree backward during dynamic transmission handle, transmission handle is pulled in continuation backward, and cable is anti-to rear housingHousing moves in housing backward before active force makes, it is preferable that preceding outer casing outer wall can also increase graduation mark, can be according to preceding housingGraduation mark displacement to estimate the pulling force that cable at this time is subject to, when pulling force of the cable by a certain size be believed that cableRequired tightening degree is had reached, at this moment external Press Plier just can be used to squeeze tight locking button, tight locking button is made to generate deformation, thus willTwo of cable are fastened in tight locking button, then cut off extra cable, and be finally completed bone ties up fixed operation.And currently press cableLock and rear pressure cable lock are installed on cylinder both ends by the second blocked hole and third clamping portion respectively, by drawing head front end curve bendNozzle be aligned and be resisted against that outer lock links closely goes out at cable mouth, then by the cable being threaded through in tight locking button successively before press cableLock and rear pressure cable lock, subsequent operation are identical.In addition, in some large-scale bone surgeries, it often simultaneously will be to more different sizesCable carry out tightening fixation, tightening process be all cables are successively first subjected to pre-tightening, then successively by all cables intoRow further tightening, so constantly repeats, until all cables reach required tightening degree.Utilize cable of the present inventionWhen tightener is operated, pre-tightening first is carried out to single line cable with preceding method, the tightening needed for cable reaches pre-tighteningWhen degree, the first latch segment is locked, so that the cable before clamping in pressure cable lock, then unclamps the second compact heap, that is, press after unclampingThe cable of cable lock, then cable is locked into interior extraction from rear pressure cable, pressure cable lock before then pulling up forward makes pressure cable lock leave cylinder and putIt sets in tight locking button side, the pre-tightening work of second cable can be then carried out at this time, if the specification of second cableIt is identical as first cable, then only need the preceding pressure cable of same size in grafting to lock, repeating aforesaid operations can be completed to secondThe pre-tightening of cable works；If the specification of second cable is different from first cable, first unloads and cable is pressed to lock afterwards, then rootPress cable lock that can carry out tight cable operation with rear according to preceding pressure cable lock matched in the size grafting of the cable；It so constantly repeats, directlyReach required tightening degree to all cables.
In conclusion medical bitt compressor of the present invention is easy to operate, tight cable operation, while preceding pressure cable is can be completed in one handLock and rear pressure cable lock are that removable mode is fixed, when to the operation of the cable of different model, it is only necessary to before replacement pressure cable lock andPressure cable lock afterwards, reduction use cost, in addition, have between preceding pressure cable lock and rear pressure cable lock and cylinder there are two types of mounting means,Cable can be achieved to pass through from inner barrel or outside, expand application range.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a realityBody or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operationIn any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended toNon-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including thoseElement, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipmentIntrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded thatThere is also other identical elements in process, method, article or equipment including element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the artFor member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answeredIt is considered as the protection scope of the application.