It is closed the surgical instruments with the articulating shaft at twin shaft frame frame bottom with unipivotTechnical field
It a kind of is closed the present invention relates to the field of medical instrument technology more particularly to unipivot and twin shaft frame frame bottomThe surgical instruments of articulating shaft.
Background technology
Medical instrument refers to instrument, equipment, utensil, external diagnosis reagent and the calibration for being directly or indirectly used for human bodyObject, material and other similar or relevant articles, including required computer software, effectiveness mainly pass through the side such as physicsFormula obtains, although not being to be obtained by way of pharmacology, immunology either metabolism or have these modes to participate in only risingBooster action.
In the prior art, application No. is 200610093052.3 to disclose a kind of surgery used especially suitable for endoscopeStitching and cutting device, including a portions of proximal, operate on it, the elongated shaft that will be connected and end in vitro in patientActuator navigates to the position that patient's body is performed the operation.Actuated articulation joints are by end effector and elongated shaft with can pivotThe mode turned connects, and additional diagnosis flexibility is provided reaching organizational aspects with the angle of needs.It includes more to be closed tube assemblyPivot section crosses actuated articulation joints, distad to translate, end effector is made to close, and is not passed through and carries out joint fortuneDynamic axis.To can get additional clinical flexibility when end effector positions, without lose transmitted by axis it is independentIt is closed and fires the ability of movement.It is strictly limited to carry out the thin of joint motions from there through avoiding transporting through mechanical movementThe design limitation of long axis and realize design flexibility, but be not easy to installation articulating shaft, and firm install joint motionsIt is not easy to prompt staff when axis, the use demand of user cannot be met.
Invention content
The purpose of the present invention is to solve disadvantage existing in the prior art, and the unipivot that has proposed is closed and doubleThe surgical instruments of the articulating shaft at axis frame frame bottom.
To achieve the goals above, present invention employs following technical solutions：
It is closed the surgical instruments with the articulating shaft at twin shaft frame frame bottom, including instrument body with unipivot, it is describedThe side of instrument body offers mounting groove, and articulating shaft is slidably fitted in the mounting groove, the articulating shaftOne end extends to outside mounting groove, and the both sides of the mounting groove are equipped with the installation cavity being opened in instrument body, the installation cavityIt is inside slidably fitted with link block, the both sides of the instrument body are rotatablely equipped with screw rod, and one end of the screw rod extends to peaceIn behaveing affectedly, and connecting rod, the company are rotatably connected in a side contacts of screw rod, the both sides of the link block with link blockExtension bar is to be obliquely installed, and the one end of connecting rod far from link block is rotatably connected to sliding shoe, and the installation cavity is close to mounting grooveSide inner wall on symmetrically open up there are two sliding groove, be welded with the same slide bar, institute on the both sides inner wall of two sliding groovesThe side for stating sliding shoe extends in sliding groove, and is slidably located on slide bar, and the first spring is arranged on the slide bar, describedThe both ends of first spring are respectively welded on the side inner wall that two sliding grooves are located remotely from each other and sliding shoe is close to the first springOn side, the mounting groove offers T-type sliding slot on the side inner wall of installation cavity, and the T-type sliding slot is connected with installation cavityIt is logical, and T-type sliding block is slidably fitted in T-type sliding slot, one end of the T-type sliding block extends in installation cavity, and is welded on connectionOn side of the block far from screw rod, the side of the T-type sliding block far from link block extends in mounting groove, and the articulating shaft leans onThe side of nearly installation cavity offers fixing groove, and T-type sliding block is slidably fitted in the fixing groove and extends to the side in mounting groove,Second spring is arranged on the T-type sliding block, the both ends of the second spring are respectively welded on the bottom side of link block and installation cavityBottom side inner wall on, the articulating shaft be equipped with prompting mechanism.
Preferably, the prompting mechanism includes the control chamber being opened on articulating shaft, and the control chamber, which is located at, fixesSide of the slot far from installation cavity is slidably fitted with sliding panel in the control chamber, and the bottom side of the sliding panel is welded with catch bar,One end of the catch bar extends in fixing groove, and with T-type shoe contact, the both sides of the sliding panel are welded with limitThe both sides of block, the control chamber offer limiting slot, and the limited block is slidably mounted in limiting slot, the bottom of the sliding panelSide is symmetrically welded there are two the first bar, and two the first bars are hollow structure, and the second bar is slidably fitted in two the first bars,One end of second bar extends to outside the first bar, and is welded on side inner wall of the control chamber far from fixing groove, described secondBar is welded with third spring close to one end of the first bar, and it is close that the described one end of third spring far from the second bar is welded on the first barOn the side inner wall of sliding panel, side of the sliding panel far from catch bar is installed with the first conducting block, and described first leadsElectric block is inverted U-shaped structure, and the first conducting block is located between two the first bars, side inner wall of the control chamber close to the second barOn be welded with mounting rod, the mounting rod is installed with the second conducting block close to one end of the first conducting block.
Preferably, the both sides of second bar are welded with movable block, and the both sides of first bar open up shifting chute, instituteMovable block is stated to be slidably mounted in shifting chute.
Preferably, the sliding panel and mounting rod are insulator.
Preferably, the articulating shaft is equipped with signal lamp and accumulator, signal lamp and the first conducting block of accumulator andSecond conducting block is sequentially connected and constitutes circuit.
Preferably, the both sides of the link block are welded with sliding block, and cunning is offered on the both sides inner wall of the installation cavitySlot, the sliding block are slidably mounted in sliding slot.
Preferably, the both sides of the instrument body offer threaded hole, and the screw flight is mounted in threaded hole.
Preferably, circular hole is offered on the sliding shoe, the slide bar is slidably mounted on circular hole close to one end of sliding shoeIt is interior.
Compared with prior art, the beneficial effects of the invention are as follows：
Pass through instrument body, mounting groove, articulating shaft, installation cavity, link block, screw rod, connecting rod, sliding shoe, slidingSlot, slide bar, the first spring, T-type sliding slot, T-type sliding block, fixing groove and second spring are used cooperatively so that by articulating shaftIt installs in mounting groove, then rotates screw rod, screw rod is rotated into installation cavity, and screw rod drives link block to be slided in installation cavity,Link block drives T-type sliding block to be slided into mounting groove so that the side of T-type sliding block slides into fixing groove, to articulating shaftIt is fixed, by using control chamber, sliding panel, catch bar, limited block, limiting slot, the first bar, the second bar, third spring,One conducting block, mounting rod, the second conducting block, movable block and shifting chute are used cooperatively so that when T-type sliding block slides into fixing grooveWhen interior, catch bar is just pressed, catch bar drives sliding panel to be slided in control chamber, and sliding panel drives the first bar on the second barSliding, makes the first bar press third spring, makes third spring that elastic deformation occur, and generates reaction thrust, in the process, slidingMovable plate drives the first conducting block to be contacted with the second conducting block, and signal lamp energization lights, and prompts staff, to joint motionsAxis carries out firm fixation, and the configuration of the present invention is simple is easy to use, articulating shaft can Fast Installation, and firm install passStaff can be prompted when saving kinematic axis, meet the use demand of user.
Description of the drawings
Fig. 1 is the surgical instruments of the articulating shaft proposed by the present invention with unipivot closure and twin shaft frame frame bottomStructural schematic diagram；
Fig. 2 is the surgical instruments of the articulating shaft proposed by the present invention with unipivot closure and twin shaft frame frame bottomThe enlarged drawing of part A；
Fig. 3 is the surgical instruments of the articulating shaft proposed by the present invention with unipivot closure and twin shaft frame frame bottomThe enlarged drawing of the parts A1；
Fig. 4 is the surgical instruments of the articulating shaft proposed by the present invention with unipivot closure and twin shaft frame frame bottomThe enlarged drawing of the parts A2；
Fig. 5 is the surgical instruments of the articulating shaft proposed by the present invention with unipivot closure and twin shaft frame frame bottomThe structural schematic diagram of first conducting block solid.
In figure：1 instrument body, 2 mounting grooves, 3 articulating shafts, 4 installation cavitys, 5 link blocks, 6 screw rods, 7 connecting rods, 8 are slidedMotion block, 9 sliding grooves, 10 slide bars, 11 first springs, 12T types sliding slot, 13T types sliding block, 14 fixing grooves, 15 second springs, 16 controlsChamber, 17 sliding panels, 18 catch bars, 19 limited blocks, 20 limiting slots, 21 first bars, 22 second bars, 23 third springs, 24 first are ledElectric block, 25 mounting rods, 26 second conducting blocks, 27 movable blocks, 28 shifting chutes.
Specific implementation mode
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 clear, completeSite preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, the surgical instruments with the articulating shaft at twin shaft frame frame bottom, including instrument are closed with unipivotThe side of ontology 1, instrument body 1 offers mounting groove 2, and articulating shaft 3, articulating shaft 3 are slidably fitted in mounting groove 2One end extend to outside mounting groove 2, the both sides of mounting groove 2 are equipped with the installation cavity 4 being opened in instrument body 1, in installation cavity 4It is slidably fitted with link block 5, the both sides of instrument body 1 are rotatablely equipped with screw rod 6, and one end of screw rod 6 extends to installation cavity 4It is interior, and connecting rod 7 is rotatably connected in a side contacts of screw rod 6, the both sides of link block 5 with link block 5, connecting rod 7 isIt is obliquely installed, and the one end of connecting rod 7 far from link block 5 is rotatably connected to sliding shoe 8, installation cavity 4 is close to the side of mounting groove 2It is symmetrically opened up on inner wall there are two sliding groove 9, the same slide bar 10 is welded on the both sides inner wall of two sliding grooves 9, slidedThe side of block 8 extends in sliding groove 9, and is slidably located on slide bar 10, and the first spring 11, the first bullet are arranged on slide bar 10The both ends of spring 11 are respectively welded on the side inner wall that two sliding grooves 9 are located remotely from each other and sliding shoe 8 is close to the first spring 11On side, mounting groove 2 offers T-type sliding slot 12 on the side inner wall of installation cavity 4, and T-type sliding slot 12 is connected with installation cavity 4It is logical, and T-type sliding block 13 is slidably fitted in T-type sliding slot 12, one end of T-type sliding block 13 extends in installation cavity 4, and the company of being welded onIt connects on side of the block 5 far from screw rod 6, side of the T-type sliding block 13 far from link block 5 extends in mounting groove 2, articulating shaft 3Fixing groove 14 is offered close to the side of installation cavity 4, T-type sliding block 13 is slidably fitted in fixing groove 14 and is extended in mounting groove 2Side, be arranged with second spring 15 on T-type sliding block 13, the both ends of second spring 15 be respectively welded on the bottom side of link block 5 andOn the bottom side inner wall of installation cavity 4, articulating shaft 3 is equipped with prompting mechanism, passes through instrument body 1, mounting groove 2, joint motionsAxis 3, installation cavity 4, link block 5, screw rod 6, connecting rod 7, sliding shoe 8, sliding groove 9, slide bar 10, the first spring 11, T-type sliding slot12, T-type sliding block 13, fixing groove 14 and second spring 15 are used cooperatively so that articulating shaft 3 is installed in mounting groove 2,Then screw rod 6 is rotated, screw rod 6 is rotated into installation cavity 4, and screw rod 6 drives link block 5 sliding, 5 band of link block in installation cavity 4Dynamic T-type sliding block 13 is slided into mounting groove 2 so that the side of T-type sliding block 13 slides into fixing groove 14, to articulating shaft 3It is fixed, by using control chamber 16, sliding panel 17, catch bar 18, limited block 19, limiting slot 20, the first bar 21, the second bar22, the cooperation of third spring 23, the first conducting block 24, mounting rod 25, the second conducting block 26, movable block 27 and shifting chute 28 makesWith so that when T-type sliding block 13 slides into fixing groove 14, catch bar 18 is just pressed, catch bar 18 drives sliding panel 17 to existSliding in control chamber 16, sliding panel 17 drive the first bar 21 to be slided on the second bar 22, the first bar 21 are made to press third spring 23,Make third spring 23 that elastic deformation occur, generate reaction thrust, in the process, sliding panel 17 drive the first conducting block 24 withSecond conducting block 26 contacts, and signal lamp energization lights, and prompts staff, carries out firm fixation to articulating shaft 3, thisInventive structure is simple, easy to use, articulating shaft 3 can Fast Installation, and it is firm can be right when installing articulating shaft 3Staff prompts, and meets the use demand of user.
In the present embodiment, prompting mechanism includes the control chamber 16 being opened on articulating shaft 3, and control chamber 16, which is located at, fixesSide of the slot 14 far from installation cavity 4 is slidably fitted with sliding panel 17 in control chamber 16, and the bottom side of sliding panel 17 is welded with catch bar18, one end of catch bar 18 extends in fixing groove 14, and is contacted with T-type sliding block 13, and the both sides of sliding panel 17 are welded limitedPosition block 19, the both sides of control chamber 16 offer limiting slot 20, and limited block 19 is slidably mounted in limiting slot 20, sliding panel 17Bottom side is symmetrically welded there are two the first bar 21, and two the first bars 21 are hollow structure, are slidably installed in two the first bars 21There is the second bar 22, one end of the second bar 22 extends to outside the first bar 21, and is welded on side of the control chamber 16 far from fixing groove 14On inner wall, the second bar 22 is welded with third spring 23 close to one end of the first bar 21, third spring 23 far from the second bar 22 oneEnd is welded on the first bar 21 on the side inner wall of sliding panel 17, and side of the sliding panel 17 far from catch bar 18 is installed withFirst conducting block 24, the first conducting block 24 is inverted U-shaped structure, and the first conducting block 24 is located between two the first bars 21, controlChamber 16 is welded with mounting rod 25 on the side inner wall of the second bar 22, and mounting rod 25 is fixed close to one end of the first conducting block 24Second conducting block 26 is installed, the both sides of the second bar 22 are welded with movable block 27, and the both sides of the first bar 21 open up shifting chute28, movable block 27 is slidably mounted in shifting chute 28, and sliding panel 17 and mounting rod 25 are insulator, are set on articulating shaft 3There are signal lamp and accumulator, signal lamp and accumulator the first conducting block 24 and the second conducting block 26 to be sequentially connected and constitute circuit,The both sides of link block 5 are welded with sliding block, offer sliding slot on the both sides inner wall of installation cavity 4, sliding block is slidably mounted on sliding slotInterior, the both sides of instrument body 1 offer threaded hole, and screw rod 6 is threadably mounted in threaded hole, and circular hole is offered on sliding shoe 8,Slide bar 10 is slidably mounted on close to one end of sliding shoe 8 in circular hole, passes through instrument body 1, mounting groove 2, articulating shaft 3, peaceBehave affectedly 4, link block 5, screw rod 6, connecting rod 7, sliding shoe 8, sliding groove 9, slide bar 10, the first spring 11, T-type sliding slot 12, T-type slideBlock 13, fixing groove 14 and second spring 15 are used cooperatively so that are installed in mounting groove 2 articulating shaft 3, then rotatedScrew rod 6, screw rod 6 are rotated into installation cavity 4, and screw rod 6 drives the sliding in installation cavity 4 of link block 5, link block 5 to drive T-type sliding block13 slide into mounting groove 2 so that and the side of T-type sliding block 13 slides into fixing groove 14, and articulating shaft 3 is fixed,By using control chamber 16, sliding panel 17, catch bar 18, limited block 19, limiting slot 20, the first bar 21, the second bar 22, third bulletSpring 23, the first conducting block 24, mounting rod 25, the second conducting block 26, movable block 27 and shifting chute 28 are used cooperatively so that work as TWhen type sliding block 13 is slided into fixing groove 14, catch bar 18 is just pressed, catch bar 18 drives sliding panel 17 in control chamber 16Sliding, sliding panel 17 drive the first bar 21 to be slided on the second bar 22, so that the first bar 21 is pressed third spring 23, make third spring23 occur elastic deformation, generate reaction thrust, and in the process, sliding panel 17 drives the first conducting block 24 and the second conducting block26 contacts, signal lamp energization are lighted, are prompted staff, carry out firm fixation, structure of the invention letter to articulating shaft 3It is single, it is easy to use, articulating shaft 3 can Fast Installation, and it is firm when installing articulating shaft 3 can to staff intoRow prompt, meets the use demand of user.
In the present embodiment：When in use, when installing articulating shaft 3, articulating shaft 3 is installed into peace firstIn tankage 2, screw rod 6 is then rotated, screw rod 6 is rotated into installation cavity 4, and screw rod 6 drives the sliding in installation cavity 4 of link block 5, evenConnecing block 5 drives T-type sliding block 13 to be slided into mounting groove 2 so that the side of T-type sliding block 13 slides into fixing groove 14, to jointKinematic axis 3 is fixed, and in the process, link block 5 drives connecting rod 7 to rotate, and drives sliding shoe 8 to exist when connecting rod 7 rotatesIt is slided on slide bar 10 in sliding groove 9, and presses the first spring 11, make the first spring 11 that elastic deformation occur, generate reactionThrust, and second spring 15 is pressed when the sliding of link block 5, make second spring 15 that elastic deformation occur, generates reaction thrust, whenWhen T-type sliding block 13 is slided into fixing groove 14, catch bar 18 is just pressed, catch bar 18 drives sliding panel 17 in control chamber 16Sliding, sliding panel 17 drive the first bar 21 to be slided on the second bar 22, so that the first bar 21 is pressed third spring 23, make third spring23 occur elastic deformation, generate reaction thrust, and in the process, sliding panel 17 drives the first conducting block 24 and the second conducting block26 contacts, since signal lamp and accumulator the first conducting block 24 and the second conducting block 26 are sequentially connected and constitute circuit, signal lampEnergization lights, and prompts staff, carries out firm fixation to articulating shaft 3, easy to operate, meets the use need of userIt asks.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and itsInventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.