Content of the invention
The invention provides a kind of safety of medical Clip Applier, to solve existing Clip Applier due to not settingPut safety, easily occur mistakenly hit to send out the technical problem making clip landing lead to danger in human body.
In order to solve above-mentioned technical problem, the invention provides a kind of safety of medical Clip Applier, includingHousing, the firing handle that can rotate with respect to described housing, the safety of this Clip Applier, also include: evenBar, described connecting rod is provided with the first position limiting structure, and described connecting rod is had to be rotated with described firing handle and is connectedFirst end, and it is provided with the second end of one section of track groove, in described housing, setting one steady pin passes through described railMark groove, makes described connecting rod be slidably mounted in described housing；Shifting block, described shifting block is in a rotatable mannerIt is arranged in described housing, described shifting block is provided with to offset with the first position limiting structure on described connecting rod and is formedThe second spacing position limiting structure, and there is the first limiting section of notch；Safety block, described safety blockIncluding insurance block body, described insurance block body is rotated in described housing interior axle by first rotating shaft, described guarantorOn dangerous block body, the position away from described first rotating shaft is provided with push rod, by described push rod by described safety block originallyBody is rotated to the second restraining position along described first rotating shaft by the first restraining position；The first of described shifting block is spacingThe rotatable clamping of push rod of portion and described safety block so that described first limiting section with safety block rotation andRotate.
Preferably, described shifting block is provided with circular port, and described first limiting section is arranged far from described circular portOne end, described shifting block is rotatably installed in housing by the bearing pin through described circular port.
Preferably, described first position limiting structure is draw-in groove, and described second position limiting structure is and described pocket matchesThe projection of clamping, and then stop firing handle from being fired.
Preferably, described first position limiting structure is projection, and described second position limiting structure is to mate with described projectionThe draw-in groove of clamping.
Preferably, described first limiting section is " u " type groove.
Preferably, described first position limiting structure has first surface, described second position limiting structure have with describedFirst surface offsets to form the second surface stoping connecting rod from being slided by proximate along described track groove.
Preferably, described housing is provided with arcuate groove, described push rod passes through described arcuate groove, and with describedFirst rotating shaft is axle, along the rotation of described arcuate groove.
It is highly preferred that the two ends of described push rod extend to described hull outside through described arcuate groove, and in shellPush button is installed in external side.
It is highly preferred that described housing includes left and right housing two parts, described push button is two, a described left side,Described arcuate groove is provided with right shell body, described push rod is each passed through the arcuate groove on described left and right housingIt is fixedly connected with described push button.
Preferably, described safety also include being installed on the limiting component of described enclosure interior, described housingIt is provided with the pedestal for accommodating described limiting component；Described safety block passes through first rotating shaft axle with described pedestalRotate, described safety block is additionally provided with positive stop end, described positive stop end is spacing by described limiting component clamping, instituteThe described positive stop end stating safety block is located at the inside of described pedestal, the described push rod position of setting on described safety blockOutside in described pedestal.
It is highly preferred that described limiting component includes: ball, the described spacing end in contact with described safety block；Spring, in the cavity being formed between described ball and described pedestal；
Wherein, when described safety block turns to the first restraining position with described first rotating shaft, described ball is firstCompress described spring, by described spring reset, described ball is formed to institute with the Part I of described pedestalState the clamping of the described positive stop end of safety block；When described safety block, to turn to second with described first rotating shaft spacingDuring position, the Part II of described ball and described pedestal forms the card of the described positive stop end to described safety blockConnect.
Present invention also offers a kind of medical Clip Applier, including clamp assembly, device body and be installed on described deviceSafety with it, described safety are the safety described in any of the above-described.
Before opening insurance, it is spacing that described shifting block passes through on the first set position limiting structure and connecting rod set secondStructure phase clamping, because one end of connecting rod and firing handle are rotated by bearing pin and connect, the other end passes through to fixSliding pin at this end slidably moves in the track groove set by apparatus case inside, therefore so that hittingSend out handle can not be fired.Manually promote described push button, in opening reinsurance process, described safety block aroundFirst rotating shaft is rotated, and rotates, by initial primary importance, the second position opened to insurance, then promotesIt is connected to the shifting block rotate counterclockwise on push rod, the first position limiting structure of described shifting block departs from connecting rod secondPosition limiting structure, now, and the firing handle of the connection-rod linkage that can slide in housing track groove can be fired,When apparatus percussion completes, promote described push rod or push button manually, safety block is revolved by the second position that insurance is openedTransfer back to initial primary importance, described safety block rotation, return to initial position, firing handle is at it simultaneouslyInitial position is also returned under reset itself spring effect.
The medical Clip Applier that the present invention provides, due to arranging safety inside apparatus, safety effect is notable,In operating process, action is pointed to clearly, solves well and sends out, due to apparatus mistakenly hit, the clip landing leading to and causeDanger, meanwhile, safety compact structure, good stability, also there is clearly voice prompt function.
Specific embodiment
In order that those skilled in the art more fully understand that technical scheme can be practiced, tie belowThe invention will be further described to close the drawings and specific embodiments, but illustrated embodiment is not as to the present invention'sLimit.
The invention provides a kind of safety of medical Clip Applier, and the medical of this safety is applied to applyClamp, refering to shown in Fig. 1-9, the safety of described Clip Applier include housing 1；It is arranged on described housingOn, and the firing handle 2 that can be rotated with respect to it；Connecting rod 3, it is spacing that described connecting rod 3 is provided with firstStructure 31, described connecting rod 3 has the first end 32 being rotatably connected with described firing handle 2, and is provided withSecond end 33 of one section of track groove 35, in described housing 1, setting one steady pin passes through described track groove 35,Described connecting rod 3 is enable to be slidably mounted in described housing 1；Shifting block 4, described shifting block 4 is with rotatably sideFormula is arranged in described housing 1, and described shifting block 4 is provided with can be with the first position limiting structure 31 on described connecting rod 3Offset and form the second spacing position limiting structure 41, and there is the first limiting section 42 of notch；Safety block5, described safety block 5 includes insuring block body 55, and described insurance block body 55 is existed by first rotating shaft 52Described housing 1 interior axle rotates, and on described insurance block body 55, the position away from described first rotating shaft 52 is installedHave push rod 53, by described push rod 53 by described insurance block body 55 along described first rotating shaft 52 by firstRestraining position rotates to the second restraining position；First limiting section 42 of described shifting block 4 and described safety block 5The rotatable clamping of push rod 53 so that described first limiting section 42 rotates with the rotation of safety block 5.
Preferably, as shown in figure 3, described shifting block 4 is provided with circular port 43, for shifting block 4 is arranged onIn apparatus housing 1, specifically, housing 1 is rotatably installed in by a bearing pin passing through described circular port 43The shifting block 4 of internal setting installs in the hole；Described first limiting section 42 is arranged far from described circular port 43One end, after installation, described shifting block 4 rotates around bearing pin.
Preferably, as Figure 8-9, described first position limiting structure 31 is draw-in groove, described second position limiting structure41 is the projection with the clamping of described pocket matches, and described draw-in groove has first surface 34, described projection have andFirst surface 34 offsets and stops described connecting rod 3 from passing through because steady pin 11 is along described track groove 35 to be formedRelative slip so that the second surface 44 that slided by proximate of connecting rod 3, due to the first position limiting structureThe second surface 44 of 31 first surface 34 and the second position limiting structure 41 abuts against so that connecting rod 3 positionFix it is impossible to slide along track groove 35.The restriction of firing handle 2 connecting rod 3 and own rotation axle is it is impossible to quiltPercussion.
Another kind of preferably scheme is that described first position limiting structure 31 is projection, described second position limiting structure41 is the draw-in groove mating clamping with described projection, and the cooperation of projection and draw-in groove stops connecting rod 3 by proximateSlide.
The shape of above-mentioned first position limiting structure 31 and the second position limiting structure 41 can have various ways, theyAs long as cooperation ensure apparatus in original state connecting rod 3 by clamping it is impossible to enough movements, and work as shifting block 4 and rotateWhen, the first position limiting structure 31 departs from the second position limiting structure 41 therewith, and connecting rod 3 is due to steady pin 11 and trackThe cooperation of groove 35, can slide, thus the firing handle 2 that links, firing handle 2 can be fired.
Preferably, the cross section that described push rod 53 is is circular, oval or tetragon.
Preferably, the first limiting section 42 of described shifting block 4 is " u " type groove, specifically, described " u " typePush rod 53 can be accommodated between groove two side.
Preferably, described shifting block 4 is provided with torsion spring mounting groove, and torsion spring is arranged on described shifting block 4 and housing 1Between, one end of torsion spring is inserted in the torsion spring mounting groove on shifting block 4, and the other end is against spacing in housing 1On step, the setting of torsion spring makes stable being arranged in apparatus housing 1 of shifting block 4.
Preferably, described safety block 5 is with described first rotating shaft 52 as rotating shaft, with described first rotating shaft 52 HeThe distance between described push rod 53 is rotated for radius, therefore, the housing 1 of Clip Applier is provided with andOne section of arcuate groove 12 that described push rod 53 movement locus match.
Preferably, the two ends of described push rod 53 extend to outside described housing 1 through described arcuate groove 12,And in housing 1 outside, push button 54 is installed.
Preferably, described housing 1 includes left and right housing two parts, in the left and right sides shell of described housing 1Body is equipped with arcuate groove 12, and described push button 5 is also configured as left and right two, and described push rod 53 is each passed through instituteState the arcuate groove 12 on left and right housing and two push buttons 54 are fixedly connected in both sides.Two arcs of settingShape groove 12 and push button 54 are more beneficial for the smooth, steady of motion.
In Clip Applier safety opening-closing process, in order to improve safety effect further, and its security performance,Preferably scheme is: Clip Applier safety provided by the present invention, also includes safety block 5 is carried out spacingLimiting component 7, described limiting component 7 is installed in Clip Applier housing 1 it is preferable that described limiting sectionPart 7 is fixing by set pedestal 6 in solid housing 1, is specifically arranged in described pedestal 6, pedestalIt is provided with installing hole, described safety block 5 simultaneously can carry out axle rotation with respect to described pedestal 6, and pedestal 6 exists in 6Being fixedly installed in housing 1 so that limiting component 7 and safety block 5 fixed and positioned more convenient and steadyGu.
Preferably, described pedestal 6 is made up of Base body and limiting plate two parts, and described Base body is fixedIn a side body, and described limiting plate is arranged in another side body, when left and right housing is fixing, describedLimiting plate is crimped at the opening of described Base body, forms the pedestal 6 with inner chamber.
Specifically, refering to shown in Fig. 3-7, described safety block 5 is passed through first rotating shaft 52 and is rotated even with pedestal 6Connect, described safety block 5 is additionally provided with positive stop end 51, described positive stop end 51 is by the clamping of described limiting component 7Spacing, the positive stop end 51 of described safety block 5 is located at the inside of pedestal 6, the push rod 53 of described safety block 5Outside positioned at described pedestal 6.
Preferably, described limiting component 7 includes ball 71 and spring 72, described ball 71 and described insuranceThe positive stop end 51 of block 5 contacts；Described spring 72 is located at the cavity that described ball 71 is formed with described pedestal 6Interior；Wherein, when described safety block 5 turns to the first restraining position with described first rotating shaft 52, described rollingPearl 71 first compresses described spring 72, resets by described spring 72, described ball 71 and described pedestal 6Part I 61 form the clamping to described positive stop end 51 so that safety block 5 rests on the first spacing positionPut；When described safety block 5 turns to the second restraining position with first rotating shaft 52, described ball 71 and baseThe Part II 62 of seat 6 forms the clamping to described positive stop end 51；Safety block 5 is made to rest on the second limitPosition position.
Preferably, described limiting component 7 can also include spring fixed seat, and spring fixed seat is chuck structureOr draw-in groove, when for chuck structure, spring 72 one end is socketed in chuck structure, the other end and ball 71Contact or be connected；When for draw-in groove, spring 72 one end is connected in draw-in groove, the other end and ball 71Contact or be connected, such setting makes the stability of limiting component 7 in pedestal 6 more preferable.
Preferably, the positive stop end 51 of described safety block 5 is arranged to lozenges.
Preferably, described ball 71 can be steel ball or plastic bead, and described spring 72 can be stage clip.
Preferably, refering to shown in Fig. 3, described safety block 5 includes insuring block body 55, insures block body 55One end be positive stop end 51, the other end is installed with push rod 53, described push rod 53 and described positive stop end 51It is located at the both sides of described first rotating shaft 52 respectively, described first rotating shaft 52 and described push rod 53 are each passed through instituteThe hole stated on insurance block body 55 is connected with insurance block body 55.
Above-mentioned safety block 5 can have various ways, selectable, and its first rotating shaft 52 passes through described safety blockA hole on body 55 or two holes, described push rod 53 passes through on described insurance block body 55The shape of the cross section of hole or two holes, the shape of cross section of described first rotating shaft 52 and described push rod 53Shape is identical or different, selectable, the shape of cross section of described first rotating shaft 52 and described push rod 53The shape of cross section can be all circular, or the cross section of described first rotating shaft 52 generally circular in shape, instituteState push rod 53 cross section be shaped as square.
Because the limiting component 7 that described safety block 5 is provided by the present invention enters line home position and insurance unlatchingThe stop of position and switching, the action of Clip Applier safety is clear, and action in operating process is pointed to clearly,Safety effect is notable, and security performance is high, is provided simultaneously with superior feel and clearly voice prompt function.
The safety of the Clip Applier that the present invention provides, in original state, the first position limiting structure of connecting rod 331 and the second position limiting structure 41 phase clamping of shifting block 4, safety are closed, specifically, pleaseRefering to shown in Fig. 4-7, described first position limiting structure 31 is the draw-in groove with chamfering, described second position limiting structure41 is the projection with draw-in groove mating shapes.Described push rod 53 is located at " u " of described first limiting section 42In type groove.By the push button 54 promoting and described safety block 5 connects, described safety block 5 is with first rotating shaft 52Rotated clockwise for rotating shaft, the second position opened to insurance is rotated by initial primary importance, meanwhile,Drive and described push rod 53 relatively rotates shifting block 4 rotate counterclockwise of clamping so that originally and described shifting block 4On the draw-in groove of projection clamping be separated, the track groove 35 on connecting rod 3 can be mobile along steady pin 11, insuranceDevice is opened, firing handle 2 linkage connecting rod 3 can rotate counterclockwise around the shaft, fired.
After the completion of apparatus percussion, unclamp firing handle 2, firing handle 2 is returned to initial position, connecting rod 3Initial position is withdrawn into by firing handle 2 linkage.Described push button 54 is promoted to be returned to initial position manually, instituteState safety block 5 to be rotated counterclockwise with first rotating shaft 52 for rotating shaft, the second position opened by safetyIt is rotated back to initial primary importance, push rod 53 promotes shifting block 4 to turn clockwise, now convex on shifting block 4Block falls in the draw-in groove of connecting rod 3, and firing handle 2 is lockable.
Near-end herein, far-end are to be limited according to industry practice, that is, when performing the operation, close to doctor, person is near-end,Opposite end is far-end.
Embodiment described above is only the preferred embodiment lifted for absolutely proving the present invention, the present invention'sProtection domain not limited to this.Equivalent substitute that those skilled in the art are made on the basis of the present invention orConversion, all within protection scope of the present invention.Protection scope of the present invention is defined by claims.