A kind of medical tissue folder release deviceTechnical field
The utility model is related to area of medical devices, especially a kind of medical tissue presss from both sides release device.
Background technology
Tissue is clamped using mechanical extrusion principle in medical tissue folder, and wound is made to be closed, and is equally useful for compressing bloodPipe is to achieve the effect that quick-acting haemostatic powder, and speed is fast, is clamped because it has in terms of surface of a wound closure and hemostasis for such metal structure folderReliably, the advantages such as small, few intercurrent disease of wound, nearly more than ten years adopt use by countries in the world medical institutions, it has also become critical troubleThe method of the acute alimentary canal of person postoperative suture and very effective, the great clinical value of bleeding operative treatment.Although this is goldenCategory tissue, which is clipped under the skilled operation of doctor, can effectively carry out surface of a wound closure or hemostasis and prevent bleeding again, also substantially increaseThe safety of digestive endoscope treatment and cure rate；But it is mostly single-shot folder that existing clinical operation, which commonly uses tissue folder, if the surface of a wound is bigOr blutpunkte is more, then needs repeatedly to discharge tissue folder, and need to reposition, the workload of doctor's operation is very big, and againMultiple insertion, extraction tissue folder conveying device can devote a tremendous amount of time, and cause operating time long, or even miss most suitable stopBlood opportunity causes people digest road to be bled profusely the trouble brought.
Utility model content
Purpose of utility model：Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide oneKind medical tissue presss from both sides release device.
In order to solve the above-mentioned technical problem, the utility model provides a kind of medical tissue folder release device, outer tube setting oneA release member, one section of drag-line and at least one tissue folder, one release member is socketed in outside drag-line front end, it is described at leastOne tissue folder is movably connected on release member and drag-line；
The tissue folder includes holder and intermediate plate, and the intermediate plate is movably disposed in holder, when intermediate plate recession to endWhen end, the tissue folder is in lock-out state, and when intermediate plate moves forward to front end, the tissue folder is in opened condition；The holder packetAn elastic component is included, is in impaction state when which is located in outer tube, which is detached from after outer tube in opened condition, to supportThe end for catching outer tube prevents tissue folder from recalling in outer tube；The front end interlude of the intermediate plate and end, which are respectively provided with, releasesPut part by front end through-hole, intermediate envelope through-hole and end vias, release member and drag-line it is logical by front end through-hole, intermediate envelopeHole and end vias are sequentially connected in series presss from both sides in a organized way；
The release member includes a promotion position and one pulls position, and the promotion position is for pushing holder and intermediate plateIt is detached from outer tube；The pulling position pulls intermediate plate recession completely to arrive end after the elastic component of holder abuts the end of outer tube；
After the release member pulls intermediate plate recession to end completely, release member is detached with intermediate plate, to realize tissue folderRelease.
In the utility model, the tissue accompanies more than two tissue folders and is sequentially connected in series on drag-line.
In the utility model, outer tube can be bourdon tube.
In the utility model, the part around the end vias of the intermediate plate is made of elastic material, on the release memberAfter applying certain pulling force, pushes position that the end vias of intermediate plate is driven to deform upon and be allowed to become larger, push end of the position from intermediate plateTerminad slips in the through-hole of end, between so that the end vias of the intermediate plate is in the promotion position of release member and is pulled position, makesObtaining the release member can push intermediate plate and holder to detach outer tube.
In the utility model, the part around the end vias of the intermediate plate is made of elastic material, on the release memberAfter the pulling force of application is more than preset value, become larger after pulling position that the end vias of intermediate plate is driven to deform upon, pulls position from folderIt is detached from the end vias of piece, to realize the separation of release member and the intermediate plate.
In the utility model, the promotion position of the release member can be made of elastic material, apply one on the release memberAfter determining pulling force, become smaller after pushing position that compressive deformation occurs, pushes position to be slipped over from the end vias of intermediate plate, make the end of intermediate plateEnd through-hole is in the concave part of release member so that the release member can push intermediate plate and holder to be detached from outer tube.
In the utility model, the pulling position of the release member can be made of elastic material, apply on the release memberAfter pulling force is more than preset value, become smaller after pulling position that compressive deformation occurs, position is pulled to be detached from from the end vias of intermediate plate, fromAnd realize the separation of release member and the intermediate plate.
In the utility model, the pulling position is the first lug boss, and it is the second lug boss, the first lug boss to push positionEnd is concave part, and the diameter of concave part is less than the diameter of the first lug boss and the second lug boss, concave part and the first lug bossThe diameter of junction gradually increased by end to front end, the diameter of the end section of the second lug boss is gradual by front end terminadReduce, the junction of concave part and the second lug boss is equipped with the first bearing surface.
In the utility model, the elastic component on the holder is the first blade, and holder slot, the intermediate plate are additionally provided on holderIncluding two clip bodies, the end vias of two clip bodies is the first hole, and the first hole is adapted to release member, and front end through-hole is secondHole, the both sides in the first hole are equipped with the second blade being adapted to holder slot, and intermediate plate end is equipped with the intermediate plate being adapted to the first bearing surfaceEnd face.
In the utility model, for the intermediate plate in opening state, the front end of two clip bodies respectively has a half-via, intermediate plate to existWhen lock-out state, two clip bodies are closed, and a half-via of front end forms the second hole.
In the utility model, the diameter of first lug boss is more than the internal diameter in the first hole, and the diameter of the second lug boss is bigInternal diameter in the first hole of intermediate plate.
In the utility model, in lock-out state, two clip bodies are closed intermediate plate, and the internal diameter in the second hole that front end is formed is bigIn the diameter of the first lug boss of the release member.Release member is concatenated to press from both sides in a organized way.
In the utility model, the second lug boss diameter is slightly less than the first lug boss diameter.
In the utility model, the outer tube front end is equipped with support cap, and support cap is equipped with the second bearing surface.
In the utility model, the release member end connects drag-line, and drag-line outer ring is equipped with interior plastic tube, stay wire end connectionTo driving tube, driving tube is connected to rack, and gear engages more than rack, and the handle front end is equipped with boost tube, and boosting pipe end connectsDriving tube and drag-line are connect, boost tube front end is socketed on interior plastic tube.
In the utility model, the release member is connected to handle by drag-line, and handle is externally provided with handwheel, tooth is equipped in handleWheel, rack, driving tube and boost tube；Hand wheel rotating, successively with moving gear, rack, driving tube, boost tube and drag-line, drag-line bandDynamic release member.
Advantageous effect：The operation used time is greatly saved in a kind of medical tissue folder release device provided by the utility model, mostLimits solve clinically because haemophilia or the excessive needs of the surface of a wound repeatedly more renew the drawbacks of tissue presss from both sides release device.
Description of the drawings
The utility model is done with reference to the accompanying drawings and detailed description and is further illustrated, the utility modelAbove-mentioned or otherwise advantage will become apparent.
Fig. 1 is the utility model front end release portion sectional view；
Fig. 2 is Fig. 1 partial enlarged views；
Fig. 3 is the utility model end hand grip portion schematic diagram；
Fig. 4 is the utility model end hand grip portion schematic diagram；
Fig. 5 is that the utility model tissue clamps a surface of a wound schematic diagram；
Fig. 6 is the utility model release member enlarged diagram；
Fig. 7 is the utility model tissue folder explosive view；
Fig. 8 is the utility model tissue folder closed state schematic diagram；
Fig. 9 is the utility model tissue folder open state schematic diagram；
Figure 10 is the utility model tissue folder release front position schematic diagram
Figure 11 is 2 release member complete section schematic diagram of embodiment；
Figure 12 is 2 release member stereoscopic schematic diagram of embodiment；
Figure 13 is 3 release member schematic diagram of embodiment；
Figure 14 is 3 release member stereoscopic schematic diagram of embodiment.
Specific implementation mode
It elaborates to the utility model below in conjunction with attached drawing.
Embodiment 1：
Such as Fig. 1, a kind of front end release portion of medical tissue folder release device includes intermediate plate 1, release member 2, holder 3, supportCap 4, outer tube 5, drag-line 6, connector 7, internal lining pipe 8 and the second outer tube 9, intermediate plate 1 and holder 3 form tissue folder, one group of tissue folderIt is movably connected on release member 2, support cap 4 is arranged in the front end of outer tube 5, and 2 end of release member connects drag-line 6, and 5 end of outer tube is setThere are connector 7, internal lining pipe 8 and the second outer tube 9, connector 7 being drawn for connecting outer tube 5 and the second outer tube 9, the setting of internal lining pipe 8On 6 outer ring of rope, shift motion is pressed from both sides for controlling tissue.
Such as Fig. 2,2 end of release member connects drag-line 6, and the present embodiment takes steel wire.
Such as Fig. 3 and Fig. 4, end hand grip portion is by interior plastic tube 10, boost tube 11, sheath outer tube 12, casing 13, driving tube14, rack 15, gear 16, handwheel 17, handle cover (right side) 18, handle cover (left side) 19 form.2 end of release member is connected to handle,Handle is externally provided with handwheel 17, and gear 16 is equipped in handle, rack 15 and driving tube 14,6 outer ring of drag-line be equipped with interior plastic tube 10,6 end of drag-line is connected to driving tube 14, and driving tube 14 is connected to rack 15, the engagement of more than 15 gear 16 of rack, and handwheel 17 rotates, according toSub-band moving gear 16, rack 15 and driving tube 14, driving tube 14 drive release member 2,.
Such as Fig. 5, tissue folder uses schematic diagram.
Such as Fig. 6, release member 2 includes the first lug boss 201, concave part 202, the second lug boss 203 and the first bearing surface204,2 front end of release member is the first lug boss 201, and the first lug boss end is concave part 202, and concave part end is the second protrusionPortion 203, the diameter of concave part 202 are less than the diameter of the first lug boss 201 and the second lug boss 203, concave part 202 and first convexThe diameter for playing the junction in portion 201 is gradually increased by end to front end, and concave part 202 and the junction of the second lug boss 203 are setThere is the first bearing surface 204.
If Fig. 7 tissues folder includes holder 3 and intermediate plate 1, the holder is equipped with the first blade 303 and holder slot 302, describedIntermediate plate includes two clip bodies, and the junction of two clip bodies is equipped with the first hole 101, and the both ends in the first hole 101 are equipped with and holderThe second blade 102 that slot 302 is adapted to, intermediate plate end are equipped with the intermediate plate end face 103 being adapted to the first bearing surface 204.On intermediate plateThe effect that stage casing envelope through-hole 106 is arranged is pressed from both sides in a organized way for convenience of the concatenation of drag-line 6, while being also convenient for release member 2 and being passed through, and is organizedWhen clip hold-down state, two clip bodies close up, if being not provided with stage casing envelope through-hole 106, tissue folder can not be serially connected on drag-line 6,Release member 2 can not also pass through.
Such as Fig. 8, tissue folder closed state schematic diagram.In opening state, the front end of two clip bodies respectively has the intermediate plateOne half-via, in lock-out state, two clip bodies are closed intermediate plate, and a half-via of front end forms the second hole 104.
Such as Fig. 9, tissue folder open state schematic diagram.
Such as Figure 10, tissue folder release front position schematic diagram, the first blade 303 is connected to 401 at the second bearing surface.
Use principle：
First piece of tissue folder release：If Fig. 1 is the front end release portion for having assembled completion, series connection three wherein in front end outer tube 5Piece tissue folder, this three pieces tissue folders are in closed state, and one piece of tissue folder shown in the dotted line of front end is first piece of group of simulation in Fig. 1It knits folder and releases the state after outer tube；It rotates clockwise first piece of tissue of the release of handwheel 17 in Fig. 3, Fig. 4 and clips to dotted line shown in Fig. 1Tissue folder position, tissue folder is automatic under the effect of elasticity to be opened, at this point, the first blade of holder 303 is connected to outer tube front supportIt on the second bearing surface on cap, remains stationary as, finely tunes corresponding angle, state as shown in Figure 5, it is ensured that intermediate plate 1 effectively clamps groupRotation hand wheel 17 retracts tissue folder toward end so that two clip bodies closure clamps puncture site counterclockwise after knitting；It then proceedes toIncrease spinning force reversely rotates handwheel 17 and retracts the past end of tissue folder continuation, and the first protrusion 201 and its end taper makeThe first hole 101 generates elasticity and plastic deformation (direction as shown in Fig. 7 arrows is its flexible deformation direction) at intermediate plate tail end, makes to releasePart 2 is put from inner past the end disengagement in the first hole 101 of tissue folder, rotates clockwise handwheel 17 again, using 2 front end of release member by firstPiece tissue presss from both sides outside completely out outer tube 5, completes release.
Second piece of tissue folder release：Multiple tissue folders are needed to be closed when this surface of a wound is bigger than normal, rotation hand wheel 17 counterclockwise2 fovea superior groove portion 202 of release member in Fig. 6 is returned in Fig. 7 to 101 position of hole of (second piece) intermediate plate 1, during this, intermediate plate 1The meeting of hole 101 opening (flexible deformation) micro under the action of 2 the second lug boss of middle part type conical bench 203 of release member so that releaseThe hole 101 of intermediate plate 1 can be crossed by putting the second lug boss 203 of part 2, when the hole of intermediate plate 1 101 is in 202 position on release member 2,The hole 101 of intermediate plate 1 can restore original size, at this time due to the first bearing surface of front end face of the second lug boss 203 on release member 2204 presence allows patient to repeat the action of first piece of clip release, completes the release of second piece of clip.
It repeats the above action and is completed until pressing from both sides all release in a organized way.
As shown in Figure 8, Figure 9, closed state is in when tissue folder intermediate plate 1 is located at front end 5 inside of outer tube, before intermediate plate 1 is releasedOpen state is in when holding outer tube 5, and the stroke of this variation depends on the position that blade 102 is located at holder strip grooves 301；
As shown in Fig. 6, Fig. 7, Fig. 8, need the first lug boss 201 of release member 2 pulling out the when discharging tissue folderOne hole 101, this strength have to be larger than the strength that the second blade 102 is pulled in 3 slot of holder, 302 position；When the second blade 102 pulls inWhen 302 position of slot, the clamp arm tail portion 105 of intermediate plate 1 can tangle the front end face of holder 3；As shown in Figure 10, in release tissue folderFirst blade 303 of front holder seat 3 resists the interior step end face of support cap 4, to ensure that release member can effectively take off with tissue folderFrom.The release member that the setting at the end oblique angle of the first lug boss 201 can be pressed from both sides to tissue on release member 2 pulls offer and releases wellPut adjustment and the guiding of power.
In this example, release member 2 is stainless steel, and section is not only limited to circle, may also comprise ellipse, polygonAll kinds of shapes such as shape；And this release member cross sectional shape and 101 shape of the first hole coordinate each other convenient for release.
The interaction of elongated slot 301 of the second blade 102 and holder 3 of this intermediate plate 1 not only limits intermediate plate 1 in holder 3In rotation, while controlling the axial stroke of intermediate plate 1.
The first blade 303 of holder 3 resists interior step end face and the release force phase of support cap 4 during tissue folder releaseInteraction ensures that tissue accompanies effect and is detached from closure.
In Fig. 1 because release first piece tissue folder after, it is rear two pieces tissue be clipped in pipe be in opposing stationary shapeState needs release member 2 being pulled to second piece of tissue folder present position in Fig. 1 backward when needing second piece of tissue folder of release；It willFirst bearing surface 204 resists the intermediate plate end face 103 of intermediate plate 1 in Fig. 7 in release member 2 in Fig. 6, and the second blade 102 is located at this timePosition shown in Fig. 9, in order to ensure that the first bearing surface 204 can effectively resist intermediate plate end face 103, the outer diameter of the second lug boss 203Need the internal diameter more than hole 101；Third piece or more piece tissue folder is gradually discharged in the way of first piece of tissue folder of release.
Front end outer tube 5 is smoothly released in order to allow release member 2 that tissue is pressed from both sides, 203 outer diameter of the second lug boss needs to be more than theOne hole, 101 internal diameter；
In order to allow tissue to accompany effect disengaging and lock, the outer diameter of first lug boss 201 needs to be more than second on release member 2The outer diameter of lug boss 203, and in order to allow release member 2 smoothly to pull, 201 end needs there are one effective chamferings to enhanceGuidance quality.
In order to allow tissue to be clipped in controlled range, need to release front end outer tube 5 using internal lining pipe 8 to control every piece of tissue folderStroke, dotted line tissue as shown in Figure 1 folder, the blade 303 of holder 3 need to ensure the model of second bearing surface 401 in support cap 4In enclosing.
It can also be that the modes such as direct-push drive, for discharging group that end hand grip portion, which can be gear, rack cooperation drivesFolder is knitted, scale can also be increased on handwheel herein to control the release accuracy of each piece of tissue folder.
Embodiment 2：
Such as Figure 11 and Figure 12, in the present embodiment, release member 2 includes two arc-shaped protruding portions, 205 He of front end protrusion partEnd protrusion 206.Release member 2 is made of elastic material (such as nickel-titanium alloy material), and what is utilized in this embodiment is releasePart 205,206 positions flexible deformation receive, push away and discharge corresponding tissue folder.
Embodiment 3：
Such as Figure 13,14, in the present embodiment, including flexible deformation portion 207 and flexible deformation portion 208, utilize release member elasticityThe elastic deformation in variant part 207 and flexible deformation portion 208 is pressed from both sides to receive, push away and discharge corresponding tissue.
Embodiment 4：
In the present embodiment, difference lies in there are one tissue folders, and release member 2 is directly mounted at intermediate plate 1 with embodiment 1End vias 101 in, so that end vias 101 is in 202 position of groove of release member 2, and be arranged in outer tube, folder at this timePiece 1 can be not provided with front end through-hole 104 and stage casing envelope hole 106.
The utility model provides a kind of medical tissue folder release device, implements the method and approach of the technical solutionVery much, the above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of the artFor member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modificationsAlso it should be regarded as the scope of protection of the utility model.The available prior art of each component part being not known in the present embodiment is subject to realityIt is existing.