Prevent running fire Clip Applier from giving up the throne automatically deviceTechnical field
The present invention relates to the field of medical instrument technology, and in particular to one kind prevents running fire Clip Applier from giving up the throne automatically device.
Background technique
Clip Applier is a kind of common medical instrument, is commonly available to needle and holds in the operation of suture, for clamping blood vessel, is risenTo anastalsis, so occasionally referred to as haemostatic clamp.In medical operating, especially minimal invasive techniques, patient is the bleeding the case whereUnder, after taking hemostatic, blood vessel main artery is clamped with Clip Applier, does not allow blood flow to go out.The principle of Clip Applier is as closure folder, noIt crosses and sterilized.Clip Applier is divided into large and small, with teeth, anodontia, straight, bending.Inhomogeneity is selected according to different operation positionThe Clip Applier of type.
Clip Applier is being used in operative process due to being, for example, to may bleeding position or the bleeding seenPoint, first progress clamp.It is accurate to require when clamp blutpunkte as a result, and preferably primary success not bring health tissues into excessively.Since this kind of Minimally Invasive Surgery operating space is narrow and complicated, instrument is smaller using stroke, and required precision is high.Therefore, traditional skillArt is partial to improve the operation ease of Clip Applier, precision raising and structure improvement etc..
Multiple Clip Applier has been developed in the prior art, can store several closures for preventing blood vessel in advance in storing cabinFolder, can carry out simultaneously it is multiple or running fire hemostasis closure folder feeding and clamping, do not need to replace, do not need take out Clip Applier inExternal refitting closure folder, precisely can quickly give more Vascular haemostasis in time.
But after multiple Clip Applier in the prior art formerly clamps blood vessel, Clip Applier feed device can be retreated, and need oneThe fixed time promotes closure folder to jaw again, can waste rescue time.
Summary of the invention
In view of this, can prevent running fire Clip Applier from giving up the throne automatically device it is necessary to provide a kind of, closed with saving repeatedly to clampThe time of multiple promotion feed device when co-clip.
One kind prevents running fire Clip Applier from giving up the throne automatically device, and the running fire Clip Applier includes tube rod and loaded on tube rod front endBinding clip, push-pull rod, feed device and storing cabin, the storing cabin be built-in with it is multiple for clamp blood vessel closures folder, it is describedAutomatically device of giving up the throne includes mandril, the first plug and the second plug, and the mandril is connected to the front end of feed device, the mandrilEquipped with running through slot, two plugs be each passed through behind binding clip and storing cabin penetrate it is described through slot, two plug conductsBinding clip opens or clamps movable pivot, and the two sides cell wall through slot offers at least a pair of of cavity, the cavity respectivelyCavity wall be convexly equipped with along feed direction extend anti-rollback clip, every a pair cavity with run through slot center line symmetrically setIt sets, the diameter of two plugs is less than described through groove width and greater than between described two anti-rollback free front ends of clipWidth, the mandril are inserted into storing cabin to push to be closed to press from both sides and enter in binding clip, and the plug pushes quilt after closure is pressed from both sides in mandrilResilient clamp is between two anti-rollback clips to prevent mandril from retracting.
Preferably, the cavity be through slot two cell walls inwardly open up with it is described through slot it is parallel and penetrate through it is recessedSlot, the anti-rollback clip have the free front end close to binding clip direction and the rear end far from binding clip direction, the front endIt is protruded outward from through slot, the rear end is for providing elastic force and avoiding the plug simultaneously.
Preferably, the cavity has two pairs, and the distance between two pairs of described cavitys and the length of the closure folder are close.
Preferably, the tube rod front end is equipped with mounting portion, and the mounting portion is equipped with through-hole, and storing cabin described in storing cabin is equipped withLong and narrow hole and circular hole, the binding clip include a pair of of tong arm, and the opposite medial surface of a pair of tong arm is respectively equipped with axially extendingOblique slot, the oblique slot are communicated with storing cabin, are clipped in closure under feed device pushes and are entered oblique slot；The tong arm rear endIt is respectively equipped with axis hole and oblique hole, first plug is inserted into the through-hole, circular hole and oblique hole, and second plug is inserted into instituteLong and narrow hole and axis hole are stated, the tube rod front end is connected with the tong arm, and transport the binding clip around first plugIt is dynamic, generate shear action or clamping and release movement.
Preferably, the storing cabin have front deck and rear deck, the front end of the rear deck be extended with forward it is parallel to each other and onThe upper labial plate and labial plate at lower interval, the upper labial plate and labial plate be equipped with the circular hole, the length of first plug with it is upperDistance is identical between lips and labial plate, and the binding clip end is sandwiched between front deck outer wall, upper labial plate and labial plate, by describedFirst plug is moved in the circular hole to drive binding clip to open or clamp.
Preferably, the anti-rollback fastener is elastic piece or elastic strip, and the elastic piece or elastic strip are parallel to described sendExpect direction.
Preferably, the depth of the cross-wise direction of the cavity is identical as the thickness of the elastic piece or elastic strip.
Preferably, the distance between forward a pair cavity and the second plug and the length of closure folder are close, run through slotLength and storing cabin length it is close.
Preferably, the length of not less than the two closure folders in the distance between front end of the circular hole and the front deck.
Preferably, the long and narrow hole has the extension of predetermined length along feed direction.
Above-mentioned to prevent running fire Clip Applier from giving up the throne automatically device, feed device includes driving member, and the mandril, which is equipped with, runs through slotAt least a pair of anti-rollback clip, the plug pass through described through slot, plug elastic clip after mandril pushes closure folderTwo anti-rollback clips are held in prevent mandril from retracting, will not be given up the throne automatically, convenient for the closure folder of Quick-clamped next time, are savedAgain the time of closure folder is promoted, whole process is easy to operate, greatlys save operating time, improves procedure efficiency, improves operationQuality reduces operation risk, significantly mitigation patient's pain, and post-operative recovery is fast, and is able to maintain higher precision.
Detailed description of the invention
Fig. 1 be the embodiment of the present invention prevent running fire Clip Applier give up the throne automatically device running fire Clip Applier stereochemical structure signalFigure.
Fig. 2 is that the embodiment of the present invention prevents running fire Clip Applier from giving up the throne automatically the stereochemical structure decomposing schematic representation of device.
Fig. 3 be the embodiment of the present invention prevent running fire Clip Applier give up the throne automatically device be provided with hemostasis closure folder overlook directionSchematic cross-sectional view.
Fig. 4 embodiment of the present invention prevent running fire Clip Applier give up the throne automatically device be provided with hemostasis closure folder positive apparent direction cut openDepending on structural schematic diagram.
Fig. 5 embodiment of the present invention prevent running fire Clip Applier give up the throne automatically device mandril stereochemical structure partial enlargement signalFigure.
Specific embodiment
Below with reference to specific embodiments and the drawings, the present invention is described in detail.
Fig. 1, Fig. 2, Fig. 3 and Fig. 5 are please referred to, showing one kind provided in an embodiment of the present invention prevents running fire Clip Applier from moving back automaticallyPosition device, the running fire Clip Applier include tube rod 2 and binding clip 3, push-pull rod 4, feed device 5 and storage loaded on 2 front end of tube rodExpect that cabin 6, the storing cabin 6 are built-in with multiple closure folders 60 for clamping blood vessel, the device of giving up the throne automatically includes mandril511, the first plug 421 and the second plug 422, the mandril 511 are connected to the front end of feed device 5, and the mandril 511 is equipped withThrough slot 512, two plugs be each passed through behind binding clip 3 and storing cabin 6 penetrate it is described through slot 512, two plugsMovable pivot is opened or clamped as binding clip 3, and the two sides cell wall through slot 512 offers at least a pair of of cavity respectively513, the cavity wall of the cavity 513 is convexly equipped with the anti-rollback clip 514 extended along feed direction, every a pair cavity 513To run through the center line symmetrical setting of slot 512, the diameter of two plugs is less than described through 512 width of slot and greater than describedWidth between two free front ends of anti-rollback clip 514, so that the plug can slide and pass through in slot 512The anti-rollback clip 514 prevent it is free to slide, the mandril 511 be inserted into storing cabin 6 with push closure folder 60 enter binding clips 3It is interior, the plug mandril 511 push closure folder 60 after by resilient clamp between two anti-rollback clips 514 to prevent mandril511 retract.Further, two plugs are preferably cylindricality, and the storing cabin 6 is built-in with multiple for clamping closing for blood vesselCo-clip 60.Further, the anti-rollback fastener 514 is elastic piece or elastic strip, and the elastic piece or elastic strip are parallel to instituteState feed direction.
Preferably, the cavity 513 be through slot 512 two cell walls inwardly open up with it is described through slot 512 it is parallel andThe groove of perforation, the anti-rollback clip 514 have close to the free front end in 3 direction of binding clip and far from 3 direction of binding clipRear end, the front end are run through slot 512 certainly and are protruded outward, and the rear end is convenient for providing elastic force and avoiding the plug simultaneouslyIt is laborsaving when operator's clamped closed folder 60, and prevent the mandril 511 from giving up the throne automatically in the case where not applying external force.Before describedEnd is preferably cone segments, spheric end or cylinder etc..
Preferably, the cavity 513 has two pairs, and the distance between two pairs of described cavitys 513 and the closure press from both sides 60Length is close, and to ensure after a preceding clamped closed presss from both sides 60, the plug is just stuck in the position of the anti-rollback clip 514It sets, prevents mandril 511 from retracting automatically.Further, the distance between forward a pair cavity and 513 second plugs 422 withThe length of closure folder 60 is close, close through the length of slot 512 and the length in storing cabin 6.Preferably, section of the cavity 513The depth in face direction is identical as the thickness of the elastic piece or elastic strip.
Preferably, 2 front end of tube rod is equipped with mounting portion 21, it is preferable that the mounting portion 21 is preferably hollow cylinder.InstituteMounting portion 21 is stated equipped with through-hole 22, the storing cabin 6 is equipped with long and narrow hole 412 and circular hole 411, and the binding clip 3 includes a pair of of tong arm31, the opposite medial surface of a pair of tong arm 31 is respectively equipped with axially extending oblique slot 32, the oblique slot 32 and storing cabin 6It communicates, closure folder 60 is made to enter oblique slot 32 under the promotion of feed device 5；31 rear end of tong arm is respectively equipped with 310 He of axis holeOblique hole 311, first plug 421 are inserted into the through-hole 22, circular hole 411 and oblique hole 311, and second plug 422 is insertedEnter the long and narrow hole 412 and axis hole 310,2 front end of tube rod be connected with the tong arm 31, and make the binding clip 3 aroundFirst plug 421 moves, and generates shear action or clamping and release movement.Further, the binding clip 3 is around describedIt is fulcrum with first plug 421 when one plug 421 moves, the second plug 422 is removable pin, by oblique movement, is generatedShear action or clamping and release movement, the length of long and narrow hole 412 are used to limit the amplitude of the opening of binding clip 3.Preferably, described narrowLong hole 412 has the extension of predetermined length along feed direction, and binding clip 3 is made to open enough amplitudes, facilitates clamping closure folder 60.
Fig. 2 and Fig. 4 are please referred to, the storing cabin 6 has front deck 61 and rear deck 62, and the front deck 61 is for storing closure folder60.The front end of the rear deck 62 be extended with forward it is parallel to each other and between the upper and lower every upper labial plate 622 and labial plate 623, it is described onLips 622 and labial plate 623 are equipped with the circular hole 411, the length and upper labial plate 622 and labial plate 623 of first plug 421The distance between it is identical, 3 end of binding clip is sandwiched between 61 outer wall of front deck, upper labial plate 522 and labial plate 623, by describedFirst plug 421 is moved in the circular hole 411 to drive binding clip 3 to open or clamp.Further, the storing cabin 6 is preferredFront deck 61 for tubulose, storing cabin 6 is more preferably flat tubular, keeps structure more compact, improves instrument precision.
Preferably, the circular hole 411 is close to 62 mouthfuls of rear deck, between the circular hole 411 and the front end of the front deck 62The length of not less than two closure folders 60 of distance, first plug 421 and the second plug 422 will not stop closure folder 60, precedingIt is large enough to hold two closure folders in cabin 62.
Above-mentioned to prevent running fire Clip Applier from giving up the throne automatically device, setting runs through slot 512 and anti-rollback clip on mandril 511514, the through-hole 22, circular hole 411 and oblique hole 311 are inserted by first plug 421, second plug 422 is inserted into2 front end of tube rod, storage bin 6 are connected by the long and narrow hole 412 and axis hole 310 with the tong arm 31, two plugsThrough slot 512 described in penetrating again, by the effect of the anti-rollback clip 514, so that the mandril 511 closes for first in clampingIt will not give up the throne, but stay put automatically after co-clip 60, convenient for the folder of clamped closed next time 60, precisely can quickly give in timeMore Vascular haemostasis, whole process is easy to operate, improves clamp efficiency, shortens operating time, improves procedure efficiency, can be mostLimits reduce bleeding, improve surgical quality, reduce operation risk.
It should be noted that the invention is not limited to above embodiment, creative spirit according to the present invention, this fieldTechnical staff can also make other variations, and the variation that these creative spirit according to the present invention are done should all be included in this hairIt is bright it is claimed within the scope of.