Varication stripperTechnical field
Classify A61B17/32 dedicated for the lesion vesselses reality to varicose vein patients the present invention relates to a kind of IPC that belongs toThe surgical cutting instrument of endarterectomy is applied, is especially varication stripper.
Background technology
Varication is common peripheral vascular disease, is common in lower limb great saphenous vein or varix of small saphenous vein, is shown asSuperficial veins of lower limb becomes silted up bent in earthworm shape.Usual these intravenous valves corrupted, also, not only cannot normal blood back, insteadAnd backflow of blood or local endless loop can be caused, so as to cause blood supply site tissue to tend to necrosis.
In the prior art, treatment varication method is by great saphenous vein root high ligation, to the great saphenous vein of lesionAnd the branch vein of varicose implements endarterectomy.
Corresponding patent document discloses less.Chinese patent application 201521007195.9 is related to a kind of varication to strip off to leadPipe, including conduit, the lateral wall of conduit are provided with one layer of hydrophilic coating, session A are provided with conduit, and the madial wall of session A is provided withReflection wall, the left end of session A is provided with convex lens A, and conduit left side head end is provided with printing opacity top guide, session B is provided with printing opacity top guide, thoroughlyLight top guide is provided with string holes, and the right-hand member of duct wall is provided with a circle retaining wall, and conduit right-hand member is provided with magnet piece, and the right-hand member of magnet piece setsThe left end face for having light source emitter, light source emitter is provided with groove, and the center of groove is provided with session C, a left side of session CEnd is provided with transparent glass, and the right-hand member of session C is provided with LED, and the midpoint of session C is provided with convex lens B, is provided with the right side of LEDBattery compartment, the present invention can carry out subcutaneous positioning using light source, while the length of the cirso- for being stripped off can be accurately measuredDegree, hydrophilic coating can substantially reduce conduit with blood vessel and the frictional force of edge of a knife tangent plane tissue.
A kind of varication that Chinese patent application 201420597849.7 is provided strips off wire, including polyamide is stripped off and ledLine (1), straight peen end (2), pigtail-shaped complications terminal (3), the first fixing terminal (4) and the second fixing terminal (5), the straight peen end(2), pigtail-shaped complications terminal (3) is respectively arranged on polyamide and strips off wire (1) two ends, first fixing terminal (4) and secondFixing terminal (5) is socketed on polyamide and strips off wire (1) middle part respectively.
Chinese patent application 201420284823.7 is related to a kind of varication to strip off conduit, including pull rope, handle andStripping head, pull rope two ends are fixed with joint, it is characterised in that：The stripping head includes stripping head body and dop, stripping headBody is provided with longitudinal fitting recess, and the center of stripping head body is provided with the circular hole concentric with fitting recess, circular hole and longitudinal fitting recessConnection, Circularhole diameter is less than bond diameter, and longitudinal fitting recess left and right sides is at least provided with a pair of draw-in grooves；The dop includesVoussoir and the fixture block for being located at voussoir both sides, the dop are coordinated by fixture block and draw-in groove and are fixedly mounted in longitudinal fitting recess.The present invention fixes blood vessel and stripping head with dop and draw-in groove, to instead of and fix blood vessel and stripping with surgical thread in traditional operationHead, can effectively shorten operating time, farthest mitigate pain and the bleeding time of patient.
In common endarterectomy can using it is special strip off apparatus with a stainless steel wire be seal wire, on seal wire medium positionTwo stripping heads in cup head cylinder are fixed with, the limbs great saphenous vein that cuts is near or distal end insertion, are cut in the other endMouthful derive, tightened in the vein of cup head cylinder stripping head by slow drawing, pulled along different directions and advanced, reach varus orThe outer vein for stripping off lesion.During seal wire implementation, the compliance of stainless steel wire seal wire is poor, and the front end of simple pyramidal profiles is ledCan easily cause insertion not smooth because barrier and the tortuous restriction of wide-angle blood vessel such as venous valve or lesion vesselses to head, it is impossible toThe lasting propulsion of relatively long distance is repeatedly inserted into derivation process, it is necessary to repeatedly increase otch, and cup head cylinder stripping head is to pass throughEngagement thread is fixed on seal wire, when needing to change the cup head cylinder of various outer diameter such as operation, it is necessary to which overall taking-up is ledSilk, changes direction of insertion, or screws off stripping head from seal wire middle part and changed, and thus can extend operating time, increases patient's woundThe working strength of grieved bitter and patient.
The content of the invention
It is an object of the invention to provide a kind of varication stripper, it is easy to operation, shortens operating time, mitigates patient's woundGrieved bitter and surgical work intensity, solves the technological deficiency that above-mentioned prior art is present.
The purpose of the present invention will be realized by following technical measures：Including spirally-guided head end, plastics seal wire, isolationBlock, tail end and spherical crown clamping stripping head；Spirally-guided head end connects tail end by plastics seal wire, and four are fixed with plastics seal wireIndividual spacing block, and, between the adjacent spacing block in two, middle part, or spirally-guided head end and adjacent spacing block itBetween, and or can on demand select a spherical crown clamping of clamping various outer diameter to peel off between tail end and adjacent spacing blockHead, wherein, the round crown head and round platform seat that spherical crown clamping stripping head is connected by mutually axially inlay card are constituted, in circle crown head and round platform seatAxial direction middle part have a centre bore, the outer wall of circle crown head and round platform seat opens side channel to having respectively between centre bore together.
Especially, the outer end of spirally-guided head end and tail end is round and smooth, and spirally-guided head end is longer than tail end, and, spiral is ledIt is pitch auger body long between the front-end and back-end of head-end.
Especially, an inner spacing block respectively of spirally-guided head end and tail end is connected with plastics seal wire.
Especially, the tip of spirally-guided head end and tail end extends transversely through hole respectively.
Especially, spacing block is in cylindrical shape, and has axial mesopore, and spacing block one end is that spherical surface or outer rim chamfering are justifiedSliding, the other end is flat surface, for spacing spherical crown clamping stripping head.
Especially, in the structure of spherical crown clamping stripping head, the composition surface outer rim ring week position of circle crown head and round platform seat hasRound and smooth chamfering R.
Especially, in the structure of spherical crown clamping stripping head, phase interworking is provided with the composition surface of circle crown head and round platform seatThe positioning spline of conjunction, it can be ensured that engaging is fixed during two sections of side channel rotational offsets on round crown head and the round platform seat of spherical crown clamping stripping headPosition.
Especially, centre bore mean inside diameter is slightly less than spacing block external diameter, can enable spherical crown clamping stripping head in spacing block(3) stabilization is blocked on；Round platform seat outer face is centripetal recessed.
Especially, a spacing block is respectively equipped with close to spirally-guided head end or tail end section on plastics seal wire, adds middle partA pair of spacing blocks, that is, have four spacing blocks, between head end or tail end and spacing block or between a pair of spacing blocks at middle part,One spherical crown clamping stripping head of clamping can be on demand selected respectively.
Advantages of the present invention and effect：Stripping head rotation clamp distribution structure deft design rationally, is peeled off and chosen to install and change convenient,The great saphenous vein of lesion and the branch vein of varicose can be accurately stripped off, overall compliance is good, it is easy to which implementation is stripped off and walked, reducedThe frictional force of tangent plane tissue, easily by vascular lesion position, strips off head and will not fall off, and reduces operation risk.Operation is flexible, highEffect is practical, and without vein residual, wound is hidden, and tissue damage is few, mitigates pain and the bleeding time of patient, and wound is small, during healingBetween it is short, thorough treatment be difficult recurrence.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the spherical crown clamping stripping head in the embodiment of the present invention 1.
Fig. 3 is that the spherical crown clamping stripping head in the embodiment of the present invention 1 snaps in plastics guide wire schematic diagram.
Fig. 4 is Fig. 3 axial arrangement generalized sections.
Fig. 5 is that the spherical crown clamping stripping head in the embodiment of the present invention 1 snaps in plastics seal wire and turn-knob fixed structure schematic diagram.
Fig. 6 is the axial arrangement generalized section of Fig. 5.
Fig. 7 is that the application mode that card connection ball is preced with clamping stripping head that can select on demand in the embodiment of the present invention 1 installs knotStructure schematic diagram.
Reference includes：
Spirally-guided head end 1, plastics seal wire 2, spacing block 3, tail end 4, spherical crown clamping stripping head 5, circle crown head 5-1, round platformSeat 5-2, side channel 5-3, centre bore 5-4, positioning spline 5-5.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1：As shown in Figure 1, spirally-guided head end 1, connection tail end 4 and four spacing blocks 3, are separately fixed at modelingOn material seal wire 2, and, between two adjacent spacing blocks 3 at middle part, or in spirally-guided head end 1 and adjacent isolationBetween block 3, and or between tail end 4 and adjacent spacing block 3, can on demand select one spherical crown clamping stripping head of clamping5, wherein, the round crown head 5-1 and round platform seat 5-2 that spherical crown clamping stripping head 5 is connected by mutually axially inlay card are constituted, in circle crown head 5-There is the outer wall of centre bore 5-4, circle crown head 5-1 and round platform seat 5-2 at the axial direction middle part of 1 and round platform seat 5-2 between centre bore 5-4 pointsThere is not one opening side channel 5-3.
In foregoing, the outer end of spirally-guided head end 1 and tail end 4 is round and smooth, and spirally-guided head end 1 is longer than tail end 4, and, spiral shellRotation is pitch auger body long between being oriented to the front-end and back-end of head end 1.
In foregoing, the inner fixation with a spacing block 3 and plastics seal wire 2 respectively of spirally-guided head end 1 and tail end 4 connectsConnect.
In foregoing, the tip of spirally-guided head end 1 and tail end 4 extends transversely through hole respectively.
In foregoing, spacing block 3 is in cylindrical shape, and the one end of spacing block 3 is that spherical surface or outer rim chamfering are round and smooth, and the other end is flatTable top, a pair of the spacing blocks 3 for spacing spherical crown clamping stripping head 5 are relative with flat surface one end.Shelled by spherical crown clampingIt is connected to from first 5 when being assembled between this pair of spacing block 3, the round crown head 5-1 end faces of spherical crown clamping stripping head 5 can hold out against isolationFlat surface one end of block 3 and with the round and smooth end of the spacing block 3 in the same direction, reduces resistance during to move.
In foregoing, as shown in Figure 2, in the structure of spherical crown clamping stripping head 5, circle crown head 5-1's and round platform seat 5-2 connectsThere is round and smooth chamfering R at conjunction face outer rim ring week position, it can be ensured that spherical crown clamping stripping head 5 will not be excessive because of resistance during endarterectomyAnd depart from or injury tissue.
In foregoing, as shown in Figure 2, in the structure of spherical crown clamping stripping head 5, circle crown head 5-1's and round platform seat 5-2 connectsThe positioning spline 5-5 of mutual cooperation is provided with conjunction face, it can be ensured that round crown head 5-1 and round platform 5-2 of spherical crown clamping stripping head 5On two sections of side channel 5-3 rotational offsets when engaging positioning.
In foregoing, as shown in Figure 2, centre bore 5-4 mean inside diameters are slightly less than the external diameter of spacing block 3, can enable to justify crown head 5-1Enough stabilizations on spacing block (3) are blocked；Round platform seat 5-2 outer faces are centripetal recessed.
In foregoing, a spacing block 3 is respectively equipped with close to 4 sections of spirally-guided head end 1 or tail end on plastics seal wire 2, addedA pair of spacing blocks at middle part, have four spacing blocks 3, and one spherical crown clamping stripping of clamping may be selected between each spacing block 3From first 5.
In foregoing, spacing block 3 is cylindrical shape.
In the present embodiment, as shown in Figure 7, respectively at a distance of spirally-guided head end 1 and tail end 4 at a distance of about spherical crown cardThe total position high of stripping head 5, and the middle part of plastics seal wire 2 are connect, four shapes and external diameter same separation block 3 is fixed with, meanwhile,These three positions can clamping spherical crown clamping stripping head 5 on demand.
In the present embodiment, it is also possible to which the spherical crown clamping stripping head 5 for customizing various outer diameter as needed selects to make as neededWith.
The present invention when in use, can be needed by operation, as shown in Figure 7, on plastics seal wire 2 two, middle part it is adjacent everyBoth direction between block 3, or between the spacing block 3 adjacent thereto of spirally-guided head end 1, or tail end 4 and with its phaseBetween adjacent spacing block 3, by plastics seal wire 2 along press-in to centre bore 5-4, then, as depicted in figures 5 and 6, then crown head 5- will be justified1 and round platform seat 5-2 makees 180 ° of relative torsion, two sections of side channel 5-3 rotational offsets on circle crown head 5-1 and round platform seat 5-2, until circleEngaging positioning when positioning spline 5-5 on the composition surface of crown head 5-1 and round platform seat 5-2 cooperates, it is ensured that both will not be in modelingInfluenceed by external force and departed from material seal wire 2, so as to spherical crown clamping stripping head 5 can be made reliably to be positioned on plastics seal wire 2, it is ensured thatStripper during moving ahead, spherical crown clamping stripping head 5 changed from plastics seal wire 2 without departing from plastics seal wire 2, when needing orWhen commutation is using spherical crown clamping stripping head 5, round crown head 5-1 and round platform 5-2 that can be again to spherical crown clamping stripping head 5 makees 180 °Opposite direction rotating, when two sections of side channel 5-3 on circle crown head 5-1 and round platform seat 5-2 align, just can remove spherical crown clamping stripping head 5.
Embodiment above describes the general principle and principal character of the present patent application.Under the present patent application principleTechnical measures are not limited to above-described embodiment, and on the premise of this patent spirit and scope are not departed from, the present invention also has various changesChange and improve, these changes and improvements are both fallen within the range of claimed this patent.