CN206044781U

CN206044781U - A kind of main side saccule support system of the special type for bifurcated lesions interventional therapy

Info

Publication number: CN206044781U
Application number: CN201620372292.6U
Authority: CN
Inventors: 张健; 王连生; 杨志健
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-28
Filing date: 2016-04-28
Publication date: 2017-03-29
Anticipated expiration: 2026-04-28

Abstract

This utility model belongs to medical instruments field, discloses a kind of main side saccule support system of special type for bifurcated lesions interventional therapy.The system includes that special type master props up saccule support system and special type side saccule support system, wherein a main sacculus has side subchannel, bell mouth shape side sacculus special type end when fitting after a sacculus has expansion at branch ostium.The main side saccule support system can accurate positioning, it is easy to operate, preferably can fit with blood vessel wall, with preferable clinical application effect.

Description

A kind of main side saccule support system of the special type for bifurcated lesions interventional therapy

Technical field

This utility model belongs to medical instruments field, is related to a kind of main side ball of special type for bifurcated lesions interventional therapy Capsule mounting system.

Background technology

Bifurcated lesions are relatively common in clinical practice.Have part " false " bifurcated lesions (main branch vessel has Serious Stenosis, Branch vessel does not have obvious stenosis) in interventional therapy is carried out, due to the displacement of speckle, also become " true property " bifurcated lesions (main has obvious stenosis with branch vessel).For the interventional therapy of bifurcated lesions improves short-term effect, but long-term effect It is still undesirable.Bracket for eluting medicament can significantly reduce PTCA or and STENTS vascular restenosiss.But for bifurcated lesions, main again Stenosis rate is decreased obviously, but the restenosiss and thrombosis problem on side are not still solved.For the intervention of different types of bifurcated lesions is controlled The selection for treating strategy is most important, judges including pathological changes, technical tactic, selection of apparatus etc..For coronary artery bifurcated Pathological changes, always Cardiac interventional doctor facing challenges.

Bifurcated lesions clinically have various typings according to the situation of the characteristic distributions and main branch vessel angulation of aiding the border areas of speckle, Including Lefevre typings, Duke typings, Satian typings, Sanborn typings, Medina typings etc..Various typings have spy Point, exists again and intersects.In simple terms, from main branch vessel and the angular relationship of side branch vessel, it is divided into Y types pathological changes and T-shaped pathological changes.It is right In Y type pathological changes, easily shift into side Zhi Rongyi, but speckle, even if side branch vessel does not have pathological changes sometimes, it is also desirable to seal wire or Sacculus is protected.For T-shaped pathological changes, speckle is not easy displacement, but seal wire is not easily accessed side.No matter which kind of type pathological changes, just Often the physical aspect at bifurcated mouth edge is not absolute T-shaped, but is Y types, i.e., from main branch vessel with certain radian to Side branch vessel transition, in bell mouth shape.

At present for the therapeutic strategy of bifurcated lesions, firstly for side branch vessel for, be divided into and do not need seal wire protection, need Want seal wire to protect, and need balloon expandable.The protection of seal wire and the expansion of side sacculus, are provided to prevent to treat at main There is side obturation in journey.The branch vessel when the predilation of a sacculus is conducive to subsequent seal wire to enter through main support mesh, Carry out last to kiss expansion.With reference to the interventional therapy of main branch vessel, in simple terms, two species of single-side stand and double bracket can be divided into Type.

The at present common support for bifurcated lesions inserts technology includes that T-shaped support technology (classical T support technologies, changes Good T support technologies, necessity T support technology etc.), crush technologies (include improvement crush technologies, substep crush technologies, Reverse crush technologies, inverted crush technologies etc.), Y type support technologies are synchronous to kissing support technology, trousers skirt (Culotte) support technology, and (the Interventional cardiology second edition, the long-living chief editor of horse, the 37th chapter such as DK-crush technologies P494-516, inverted crush stenting such as Figure 22).

From the point of view of current various art formulas, there are some clearly disadvantageous parts.Except relative complex, such as seal wire of performing the operation It is not easy to be passed into side branch vessel from a main support mesh, sacculus is passed through or expansion web is at the moment likely to rupture etc., other Also：First, possible damage side branch ostium or stent migration during seal wire pumpback；2nd, side seal wire is entered from main support mesh Or main seal wire is passed through from the mesh of side support, all it cannot be guaranteed that seal wire in well under lumen of vessels axis, with During balloon expandable afterwards, blood vessel wall stress has probabilistic impact；3rd, there is unnecessary one layer at the branch ostium of side Or double layer of metal net, some main support two ends may have three-layer metal net, increased the chance of restenosiss；4th, such as support is propped up on side Prominent main is more, and sacculus is longer main part, during main balloon expandable while a support to while prop up internal migration, increase is to tube wall Damage, easily cause the tear of inner membrance.5th, it is excessive to two sacculus parallel portions during kiss expansion, it is likely to result in sharp at opening Space at angle is elongated, overextending at obtuse angle；6th, conventional balloon expansion and support release is not accomplished at opposite side branch ostium Physical aspect on arc-shaped transition area good fit, one of the reason for be also postoperative easy formation side restenosiss and thrombosis； 7th, main uncertainty of shape in a support when vascular bifurcation is in main after the extruding of Zhi Shuanchong sacculus etc..These problems Main cause be probably operator be confined to current apparatus, lack to the amount for meeting physical aspect at bifurcated vessels opening Body support customized and sacculus, and there is no the balloon-stent induction system being adapted to.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a kind of special type for bifurcated lesions interventional therapy Main side saccule support system.

The technical solution of the utility model is as follows：

A kind of main side saccule support system of the special type for bifurcated lesions, the system include special type side balloon-stent system System A and special type master prop up saccule support system B；

Wherein special type side saccule support system A includes：Side balloon body 3, the loudspeaker at side branch ostium of fitting after expansion Mouth shape side sacculus special type end 4, while 5 head end of foley's tube through while prop up in balloon body 3；

Wherein special type master props up saccule support system B and includes：A main balloon body 13, main 14 head end of foley's tube through In main balloon body 13, the master inside main balloon body 13 props up main sacculus silk-guiding chamber entrance 17 on foley's tube 14, There are side subchannel 18, side subchannel 18 and a main sacculus silk-guiding chamber entrance 17 to communicate on main balloon body 13.

The main side saccule support system of the special type, wherein special type support sheet when a saccule support system A also includes Body 1, expands the side support special type end 2 of the bell mouth shape at the branch ostium of back, props up sacculus sheet when a rack body 1 is sleeved on On body 3, side foley's tube 5 is pushing section also detachable tail end 8；And/or, special type master props up saccule support system B also to be included Main rack body 19, a main rack body 19 are sleeved on main balloon body 13.

The main side saccule support system of the special type, wherein described prop up 6 He of sacculus silk-guiding chamber when having in the foley's tube 5 Side sacculus pressurizing chamber 7.

The main side saccule support system of the special type, wherein described prop up rack body 1 when a support special type end 2 is located at Side branch vessel open side；The central shaft of the end face and Bian Zhi rack bodies 1 at the side support special type end 2 is angled, institute State the section of side sacculus special type end 4 and 3 connecting place of Bian Zhi balloon bodies and the central shaft of Bian Zhi balloon bodies 3 into certain angle Degree, two angles match；Wherein：For the T-shaped support sacculus of T-shaped pathological changes, angle is into 90 degree；For the Y types of Y type pathological changes Frame sacculus, which is not equal to 90 degree towards the angle α of central shaft head end, preferably 20-160 degree.

The main side saccule support system of the special type, wherein 8 its detachable part of the detachable tail end is located at side ball Ductus bursae 5 pushes the external section of section tail end, and optimum position is between the 5 head end 80cm-140cm of foley's tube of side；Which is removable Unloading position has engagement device in the dismounting position both sides that side foley's tube 5 pushes section axial direction, and preferably 10 nut 9 of bolt is tied Structure, further, the engagement device also positions stuck point 11, can be embossed card point or concavo-convex draw-in groove；Its tail end also has Y types side Position mark 12 of the acute side at support sacculus special type end 4 on the circumference of push rod transverse section is propped up, detachable tail end 8 can be with pressure The head end of pump is connected.

The main side saccule support system of the special type, props up sacculus when 6 entrance of sacculus silk-guiding chamber is located at and leads wherein described 5 head end of pipe, linkage section tail end of the outlet positioned at side foley's tube 5, the length of side 5 linkage section of foley's tube is more than main ball The length of 14 linkage section of ductus bursae, both are preferably 10-40cm apart from its difference.

The main side saccule support system of the special type, wherein it is described while a sacculus pressurizing chamber 7 while prop up that balloon body 3 is interior to be had Pressurizing chamber outlet 23, on side, foley's tube 5 pushes the external section of section by detachable part interruption, and detachably tail end 8 is engaged After connect.

The main side saccule support system of the special type, wherein the master props up a main sacculus silk-guiding chamber 15 in foley's tube 14 With main sacculus pressurizing chamber 16.

The main side saccule support system of the special type, wherein the master props up sacculus silk-guiding chamber 15 and the master props up sacculus silk-guiding Seamlessly transit between chamber entrance 17, external diameter of main 15 internal diameter of sacculus silk-guiding chamber more than 5 detachable place of side foley's tube, side Except the external diameter of 8 outer remainder of detachable tail end is no more than the detachable external diameter located, the master props up sacculus silk-guiding to foley's tube 5 The tail end of 14 linkage section of foley's tube is propped up in the outlet of chamber 15 positioned at the master；The master props up sacculus pressurizing chamber 16 in main balloon body There is pressurizing chamber to export in 13, the tail end for propping up foley's tube 14 in the master has pressure pump interface 22 with main 16 phase of sacculus pressurizing chamber It is logical.

The main side saccule support system of the special type, wherein the central shaft of the side subchannel 18 props up sacculus with the master and leads Pipe 14 is angled in the axial angle β towards main 13 head end of balloon body, preferably 20-160 degree, the side subchannel Aperture of 18 aperture more than or equal to main sacculus silk-guiding chamber entrance 17, preferably after the master props up the expansion of balloon body 13, Balloon surface is led to from a main sacculus silk-guiding chamber entrance 17 in main sacculus side subchannel 18 in involute, 18 inwall of side subchannel and The master props up the surface of balloon body 13 and seamlessly transits.

Above-mentioned special type is main to prop up saccule support system A during special type and special type master props up balloon-stent system in saccule support system System B can be used alone.That is, special type side saccule support system is：

A kind of special type side for bifurcated lesions saccule support system, the special type side saccule support system include：Side Balloon body 3, prop up sacculus special type end 4 during bell mouth shape of the laminating at branch ostium after expansion, and side is propped up 5 head end of foley's tube and passed through It is through in the balloon body 3 of side.

The special type side saccule support system, the system also include side rack body 1, at expansion back branch ostium The side of bell mouth shape support special type end 2, props up on balloon body 3 when a rack body 1 is sleeved on, and side foley's tube 5 exists Push section and also have detachable tail end 8.

The special type side saccule support system, wherein described prop up sacculus silk-guiding chamber 6 and side when propping up and having in foley's tube 5 Prop up sacculus pressurizing chamber 7.

The special type side saccule support system, wherein the side that rack body 1 is propped up when a support special type end 2 is located at Branch vessel open side；The central shaft of the end face and Bian Zhi rack bodies 1 at the side support special type end 2 is angled, described The section of side 3 connecting place of sacculus special type end 4 and Bian Zhi balloon bodies and the central shaft of Bian Zhi balloon bodies 3 are angled, Two angles match；Wherein：For the T-shaped support sacculus of T-shaped pathological changes, angle is into 90 degree；For the Y type supports of Y type pathological changes Sacculus, which is not equal to 90 degree towards the angle α of central shaft head end, preferably 20-160 degree.

The special type side saccule support system, wherein 8 its detachable part of the detachable tail end is located at side sacculus Conduit 5 pushes the external section of section tail end, and optimum position is between the 5 head end 80cm-140cm of foley's tube of side；Which is detachable There are engagement device, preferably 10 nut of bolt, 9 structure in position in the dismounting position both sides that side foley's tube 5 pushes section axial direction, Further, the engagement device also positions stuck point 11, can be embossed card point or concavo-convex draw-in groove；Its tail end also has Y types side Position mark 12 of the acute side at support sacculus special type end 4 on the circumference of push rod transverse section, detachable tail end 8 can be with compression pump Head end be connected.

The special type side saccule support system, wherein described prop up foley's tube 5 when 6 entrance of sacculus silk-guiding chamber is located at Head end, linkage section tail end of the outlet positioned at side foley's tube 5.

The special type side saccule support system, wherein it is described while a sacculus pressurizing chamber 7 while prop up to have in balloon body 3 and add Pressure chamber outlet 23, on side, foley's tube 5 pushes the external section of section by detachable part interruption, and after detachable tail end 8 is engaged Connection.

Special type master props up saccule support system：

A kind of special type master for bifurcated lesions props up saccule support system, and system special type master props up saccule support system bag Include：Main balloon body 13, master 14 head end of foley's tube are through in main balloon body 13, main to prop up inside balloon body 13 Master prop up and on foley's tube 14, have a main sacculus silk-guiding chamber entrance 17, have side subchannel 18, Bian Zhitong on main balloon body 13 Road 18 and a main sacculus silk-guiding chamber entrance 17 are communicated.

The special type master props up saccule support system, and the system also includes main rack body 19, main 19 sets of rack body It is mounted on main balloon body 13.

The special type master props up saccule support system, wherein the master props up main sacculus silk-guiding chamber 15 in foley's tube 14 With main sacculus pressurizing chamber 16.

The special type master props up saccule support system, wherein the master props up sacculus silk-guiding chamber 15 and the master props up sacculus silk-guiding chamber Seamlessly transit between entrance 17, external diameter of main 15 internal diameter of sacculus silk-guiding chamber more than 5 detachable place of side foley's tube, Bian Zhiqiu Except the external diameter of 8 outer remainder of detachable tail end is no more than the detachable external diameter located, the master props up sacculus silk-guiding chamber to ductus bursae 5 The tail end of 14 linkage section of foley's tube is propped up in 15 outlets positioned at the master；The master props up sacculus pressurizing chamber 16 in main balloon body 13 Inside there is pressurizing chamber to export, the tail end for propping up foley's tube 14 in the master has pressure pump interface 22 with main 16 phase of sacculus pressurizing chamber It is logical.

The special type master props up saccule support system, wherein the central shaft of the side subchannel 18 props up foley's tube with the master 14 is angled in the axial angle β towards main 13 head end of balloon body, preferably 20-160 degree, the side subchannel 18 Aperture more than or equal to the aperture of main sacculus silk-guiding chamber entrance 17, preferably prop up after balloon body 13 expands in the master, it is main Prop up sacculus side subchannel 18 and lead to balloon surface, 18 inwall of side subchannel and institute in involute from a main sacculus silk-guiding chamber entrance 17 The surface for stating main balloon body 13 seamlessly transits.

The grid cell of above-mentioned side rack body 1 and main rack body 19 can have different geometric grid figures 20, The geometric grid figure 20 is rule or irregular figure, can be opening or figure of remaining silent.Such as tetragon, hexagon, ripple The elementary cell such as wave-like, W shapes, Z-shaped is formed alone or in combination, and its surface can have medication coat, can be realized using prior art.

The guidewire lumen and pressurizing chamber of above-mentioned master or side foley's tube is with foley's tube body using coaxial or common wall Design.Same currently available technology.

Above-mentioned side rack body 1 and a main rack body 19, by rustless steel or other alloys such as cobalt-nickel alloy or can drop Solution material such as polylactic acid is made, and the side balloon body 3 and master prop up balloon body 13, by semi-compliant macromolecular material Such as block polyether acidamide resin PEBAX, nylon, or non-compliance macromolecular material such as polyethylene terephthalate (PET) Make, the side foley's tube 5 and main foley's tube 14 by macromolecular material such as block polyether acidamide resin (PEBAX), Nylon is made with reference to core wire, and the side foley's tube 5 and main 14 ectonexine of foley's tube can have hydrophilic coating such as poly- Tetrafluoroethene.Same currently available technology.

Before relatively for technology, the beneficial effects of the utility model are：

1st, using the main side saccule support system of this special type for bifurcated lesions, according to operating procedure, side support Side branch vessel wall is fitted in after release, at a support special type end is by the opening of branch vessel when being ideally fitted in relatively, no matter Particularly have good laminating to the openings in blood vessels radian at acute angle at the acute angle of bifurcated lesions or at obtuse angle, mitigate or Avoid the displacement of speckle.

2nd, sacculus special type end position mark being propped up when a foley's tube is pushed on the detachable tail end of section can cause side Support is accurately positioned.

When side seal wire protection is carried out when the 3rd, avoiding current routine operation, if occurring, side is narrow to increase, pumpback seal wire When opposite side branch ostium at damage.

4th, avoid main of existing art Shi Bianzhi support protrusion more, sacculus props up partly longer main, main balloon expandable The tear of damage and inner membrance of the Shi Bianzhi supports to side internal migration opposite side branch vessel tube wall.

5th, reduce the double sacculus of existing art formula it is parallel to kiss expansion to bifurcation ostium at, especially the damage of obtuse angle side and tear The possibility of interlayer is split, the possibility of Acute thrombosis thereafter, and the probability of restenosiss at a specified future date is reduced.

6th, avoiding existing art formula has unnecessary one layer or double layer of metal net, and main support two at the branch ostium of side The three-layer metal net that end is likely to occur, reduces the chance of restenosiss.

7th, foley's tube is propped up when a seal wire is passed through in vitro, propped up through main after the foley's tube tail end dismounting of side in vitro Foley's tube, with back foley's tube edgewise seal wire into side, main foley's tube edgewise foley's tube enters master , the other seal wire blind mesh for wearing main or side support in vivo will need not be used, operating becomes very easy.

8th, on the axis that a support release back foley's tube will be propped up when being located at, support special type end geometry phase To densification, enough radial tensions after expansion, can be kept, add side sacculus special type end and withdraw to main support tube intracavity and master Sacculus carries out side to kiss expansion, will dash forward at the branch ostium of side at the mesh of main support, can be so that master at the branch ostium of side Prop up support mesh and Bian Zhi support special types end overlaps a little, it is well adherent at the branch ostium of side.

9th, the uncertainty of shape of the main side support after master aids the border areas the extruding of Zhi Shuanchong sacculus at vascular bifurcation is avoided, Also reduce the possibility of sacculus rupture.

10th, previously other art formulas first discharge a main support and occur that side is narrow to increase, need pumpback side seal wire at once and by In seal wire, blind wearing when main support mesh is entered prop up again, or occur when first discharging side support main it is narrow increase after need tightly It is anxious to discharge support again along the main main support foley's tube of seal wire feeding that props up.When the system is performed the operation, master has aided the border areas balloon-stent At arrival bifurcated lesions, side support is first discharged, speckle displacement that can be in time promptly to causing because of extruding speckle is caused Main narrow to increase to carry out leading a support release, does not result in that sb.'s illness took a turn for the worse；And because main is relatively large in diameter, have more containings Property, speckle brings the main narrow probability for increasing relatively low to main Zhi Yiwei.

11st, the master of belt supporting frame does not prop up sacculus and Bian Zhi sacculus can also be expanded with the use of predilation is carried out or afterwards.

12nd, the master of belt supporting frame does not prop up sacculus and can be difficult to a side for entering with mating edge seal wire entrance.

13rd, side saccule support system can be used for the interventional therapy of Left main artery.

14th, this master and side saccule support system can be used for peripheral vascular bifurcated lesions.

Description of the drawings

Fig. 1 is the T-shaped support schematic diagram in this utility model side；

Fig. 2 is this utility model side Y type support schematic diagrams；

Fig. 3 is the T-shaped sacculus schematic diagram in this utility model side；

Fig. 4 is this utility model side Y type sacculus schematic diagrams；

Fig. 5 is this utility model side detachable tail end schematic diagram of foley's tube；

Fig. 6 is this utility model side detachable tail end Fig. 5 dotted line frame partial enlarged drawings of foley's tube；

Fig. 7 props up sacculus schematic diagram for this utility model master；

Fig. 8 props up sacculus dotted line frame partial enlarged drawing for this utility model master；

Fig. 9 props up balloon-stent schematic diagram for this utility model master；

Figure 10 is this utility model side sacculus head end schematic diagram

Figure 11 props up foley's tube close-up view for this utility model master；

Figure 12 props up foley's tube dotted line frame linkage section enlarged drawing for this utility model master；

Figure 13 aids the border areas support geometric grid figure for this utility model master；

Figure 14 be this utility model operating procedure (1,2) schematic diagram；

Figure 15 be this utility model operating procedure (3,4) schematic diagram；

Figure 16 be this utility model operating procedure (5,6) schematic diagram；

Figure 17 is this utility model operating procedure (7) schematic diagram；

Figure 18 is this utility model operating procedure (8) schematic diagram；

Figure 19 is this utility model operating procedure (9) schematic diagram；

Figure 20 is this utility model operating procedure (10) schematic diagram；

Figure 21 is this utility model operating procedure (10) schematic diagram；

Figure 22 is inverted crush stenting schematic diagrams in prior art；

The top of all accompanying drawings is tail end, and bottom is head end, support or sacculus elder generation when head end refers to intervention operation technique Press close to or into lesion vesselses one end or foley's tube near one end of heart, tail end is pressed close to or is entered after referring to support or sacculus The one end of one end of lesion vesselses or foley's tube away from heart.

In operating procedure schematic diagram, MB (main branch) refers to main branch vessel, is Main Branches coronarius or disease-free The blood vessel being relatively large in diameter during change, SB (side branch) refer to side branch vessel, refer to from main branch vessel the less blood of diameter for separating Pipe.

In figure：

1 side rack body, 2 sides support special type end, 3 sides balloon body, 4 sides sacculus special type end, 5 sides sacculus Conduit, 6 sides sacculus silk-guiding chamber, 7 sides sacculus pressurizing chamber, the detachable tail end of 8 sides sacculus push section, 9 nuts, 10 bolts, 11 positioning stuck points, 12 station location markers, 13 master balloon bodies, 14 master foley's tubes, 15 master sacculus silk-guiding chambers, 16 master balls Capsule pressurizing chamber, 17 master sacculus silk-guiding chamber entrances, 18 master sacculus side subchannels, 19 master rack bodies, 20 geometric grid figures Shape, 21 seal wires, 22 pressure pump interfaces, 23 sides sacculus pressurizing chamber outlet, 24 master sacculus pressurizing chamber outlets, 25 sides sacculus are led Pipe linkage section, 26 master foley's tube linkage sections.

Specific embodiment

Below in conjunction with the accompanying drawings 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 13, Figure 14, figure 15th, Figure 16 is described in detail to technical solutions of the utility model, but protection domain of the present utility model be not limited to it is described Embodiment.

Embodiment 1：Saccule support system is not propped up on the special type side of belt supporting frame

It is described to prop up sacculus silk-guiding chamber 6 and Bian Zhi sacculus pressurizing chamber 7 when propping up and having in foley's tube 5.

The section of the side 3 connecting place of sacculus special type end 4 and Bian Zhi balloon bodies and the central shaft of Bian Zhi balloon bodies 3 It is angled；Wherein：For the T-shaped support balloon system of T-shaped pathological changes, angle is into 90 degree；For the Y type supports of Y type pathological changes Balloon system, which is not equal to 90 degree towards the angle α of central shaft head end, preferably 20-160 degree.

Further, side foley's tube 5 is pushing section also detachable tail end 8.8 its detachable part of the detachable tail end Position is located at the external section that side foley's tube 5 pushes section tail end, and optimum position is apart from side 5 head end 80cm-140cm of foley's tube Between；Its detachable part has engagement device, preferably bolt in the dismounting position both sides that side foley's tube 5 pushes section axial direction 10 nut, 9 structure, further, the engagement device also positions stuck point 11, can be embossed card point or concavo-convex draw-in groove；Its tail end Also position of the acute side at Y types side support sacculus special type end 4 on the circumference of push rod transverse section marks 12.

Described that 5 head end of foley's tube is propped up when 6 entrance of sacculus silk-guiding chamber is located at, outlet is positioned at side foley's tube 5 Linkage section tail end.

It is described while sacculus pressurizing chamber 7 while prop up and in balloon body 3, have pressurizing chamber outlet 23, prop up foley's tube 5 on side and push away Send the external section of section to be interrupted by detachable part, connect after engaging with detachable tail end 8.Side with detachable tail end 8 sacculus Conduit 5, detachable tail end 8 are connected with the head end of compression pump, and side sacculus pressurizing chamber 7 is communicated with compression pump；Without detachable tail The side foley's tube 5 at end 8, the head end of compression pump are directly connected with side foley's tube 5, side sacculus pressurizing chamber 7 and pressure Pump is communicated.

Embodiment 2：The special type side of belt supporting frame saccule support system

The special type props up rack body 1 when a saccule support system also includes, expands the horn mouth at the branch ostium of back The side of shape support special type end 2, props up on balloon body 3 when a rack body 1 is sleeved on.

The side branch vessel open side that rack body 1 is propped up when a support special type end 2 is located at；The side support special type The central shaft of the end face and Bian Zhi rack bodies 1 at end 2 is angled, the side sacculus special type end 4 and Bian Zhi balloon bodies 3 The section of connecting place and the central shaft of Bian Zhi balloon bodies 3 are angled, and two angles match；Wherein：For T-shaped pathological changes T-shaped support sacculus, angle is into 90 degree；For the Y type support sacculus of Y type pathological changes, its angle α towards central shaft head end In 90 degree, preferably 20-160 degree.

Side foley's tube 5 also has detachable tail end 8 in push section, and 8 its detachable part of the detachable tail end is located at Side foley's tube 5 pushes the external section of section tail end, and optimum position is between the 5 head end 80cm-140cm of foley's tube of side； Its detachable part has engagement device, preferably 10 spiral shell of bolt in the dismounting position both sides that side foley's tube 5 pushes section axial direction Female 9 structures, further, the engagement device also positions stuck point 11, can be embossed card point or concavo-convex draw-in groove；Its tail end also has Position mark 12 of the acute side at Y types side support sacculus special type end 4 on the circumference of push rod transverse section.

Embodiment 3：The special type master of belt supporting frame does not prop up saccule support system

The master props up main sacculus silk-guiding chamber 15 and main sacculus pressurizing chamber 16 in foley's tube 14.

The master props up sacculus silk-guiding chamber 15 and the master props up and seamlessly transits between sacculus silk-guiding chamber entrance 17, and the master props up ball The tail end of 14 linkage section of foley's tube is propped up in the outlet of capsule guidewire lumen 15 positioned at the master；The master props up sacculus pressurizing chamber 16 in main ball There is pressurizing chamber to export in capsule body 13, the tail end for propping up foley's tube 14 in the master has pressure pump interface 22 with main sacculus pressurization Chamber 16 communicates.

The central shaft of the side subchannel 18 props up foley's tube 14 towards main 13 head end of balloon body with the master Axial angle β is angled, preferably 20-160 degree, and the aperture of the side subchannel 18 is more than or equal to main sacculus silk-guiding The aperture of chamber entrance 17, preferably after the master props up the expansion of balloon body 13, main sacculus side subchannel 18 is led from a main sacculus Silk chamber entrance 17 leads to balloon surface in involute, and the surface that 18 inwall of side subchannel and the master prop up balloon body 13 is smoothed Cross.

Embodiment 4：The special type master of belt supporting frame props up saccule support system

The special type master props up saccule support system also includes main rack body 19, and a main rack body 19 is sleeved on main On balloon body 13.

Embodiment 5：Saccule support system is not propped up on the main side of the special type of belt supporting frame

A kind of main side saccule support system of the special type for bifurcated lesions, the system include special type side balloon-stent system System A and special type master prop up saccule support system B.

Described that 5 head end of foley's tube is propped up when 6 entrance of sacculus silk-guiding chamber is located at, outlet is positioned at side foley's tube 5 Linkage section tail end, more than the main length for propping up 14 linkage section of foley's tube, both are apart from it for the length of side 5 linkage section of foley's tube Difference is preferably 10-40cm.

It is described while sacculus pressurizing chamber 7 while prop up and in balloon body 3, have pressurizing chamber outlet 23, prop up foley's tube 5 on side and push away Send the external section of section to be interrupted by detachable part, connect after engaging with detachable tail end 8.

The master props up sacculus silk-guiding chamber 15 and the master props up and seamlessly transits between sacculus silk-guiding chamber entrance 17, and a main sacculus is led External diameter of silk 15 internal diameter of chamber more than 5 detachable place of side foley's tube, side its remaining part in addition to detachable tail end 8 of foley's tube 5 External diameter of the external diameter for dividing no more than detachable place, the master prop up the outlet of sacculus silk-guiding chamber 15 and prop up foley's tube 14 positioned at the master The tail end of linkage section；The master props up sacculus pressurizing chamber 16 has pressurizing chamber to export in main balloon body 13, props up ball in the master The tail end of ductus bursae 14 has pressure pump interface 22 to communicate with a main sacculus pressurizing chamber 16.

Side with detachable tail end 8 foley's tube 5, detachable tail end 8 are connected with the head end of compression pump, and side sacculus adds Pressure chamber 7 is communicated with compression pump；Without the side foley's tube 5 of detachable tail end 8, the head end of compression pump is directly led with side sacculus Pipe 5 is connected, and side sacculus pressurizing chamber 7 is communicated with compression pump.

Embodiment 6：The main side saccule support system of special type of belt supporting frame

Special type props up rack body 1 when a saccule support system A also includes, the bell mouth shape at expansion back branch ostium Side support special type end 2, props up on balloon body 3 when a rack body 1 is sleeved on；Special type master props up saccule support system B and also wraps Main rack body 19 is included, a main rack body 19 is sleeved on main balloon body 13.

For ease of understanding, following explanation is done in each part included to this utility model and design：

1st, while support special type end and while prop up horn mouth moulding and its bracket end face or the balloon body at sacculus special type end Certain angle with the section of special type end connecting portion and central shaft is to match the physical aspect at suitable side branch vessel opening.

2nd, while support special type end relatively while prop up the more fine and close grid cell of rack body and difference grid cell group The geometric figure of conjunction be for the radial tension and good fit that ensure opposite side branch vessel after the stent-expansion of side, will not be because of expansion After, mesh becomes big and weakens the support to blood vessel wall, and to ensure that support release has when being fitted in blood vessel wall good submissive Property.

3rd, master aids the border areas foley's tube including head end, sacculus inner segment, linkage section, push section.So-called linkage section refers to connection To the coupling part pushed between section, the existing guidewire lumen of this section of catheter interior has pressurizing chamber to sacculus tail end again.Pushing section typically has Larger rigidity, is easy to push foley's tube arrival lesion vesselses.This section of catheter interior only has pressurizing chamber, and its tail end and compression pump connect Pressure is given after logical, as pressurizing chamber outlet is located at balloon interior, then sacculus is expanded and expands.To ensure preferably to push energy Power, catheter interior have core wire, and diameter is most thin by sacculus head end, and to pushing, section tail end is gradually thick.Prop up the removable of foley's tube in side Unload tail end and be located at and push section, its detachable part optimum position is located between the sacculus head end 80cm-140cm of side, be for The patient of the different height of adaptation, the position are located at the external section that side sacculus pushes section, and the front of two operators is protected again Card pushes section thinner external diameter, is easy to from a main sacculus silk-guiding chamber pass through, and does not substantially increase the external diameter of main foley's tube.

4th, the positioning stuck point of the side detachable tail end of foley's tube is to ensure detachable part two ends engagement rearward end Station location marker keep original position pushed in side sacculus on section caliber circumference, while ensureing that pressurizing chamber keeps same company Siphunculus chamber.

5th, the station location marker on the detachable tail end of foley's tube be for convenience operator while prop up sacculus arrival side The position of sacculus is adjusted after so that the acute side at sacculus special type end can be accurately located at the obtuse angle side at side branch ostium position.

6th, the side subchannel on main sacculus, be sacculus material therefor when making from the branch ostium of side to foley's tube Indent, and the guidewire lumen inlet ambient being fitted on main foley's tube, through balloon surface to main foley's tube Guidewire lumen entrance.

7th, main sacculus side subchannel and master prop up guidewire lumen entrance on foley's tube, and guidewire lumen entrance and main sacculus Seamlessly transitting between the guidewire lumen in conduit so that side foley's tube is easily inserted after pushing section dismounting.

8th, cardiovascular patient using support it is unexpanded when be wrapped in uninflated sacculus axial direction in advance into thin hollow tubular Surface, expands after sacculus pressurization, then support radial dilatation therewith, and support mesh also expands.Support has fine and close mesh from tube wall Thin footpath hollow pipe, is changed into the particle size hollow pipe after mesh expands.Main support is still conventional cylindrical hollow tubulose, side support Special type end correspond to when unexpanded at a sacculus special type end and prop up sacculus special type end when wrapping up in advance.

9th, master aids the border areas, and foley's tube is interior guidewire lumen and pressurizing chamber, and side sacculus silk-guiding chamber entrance is still in conductor housing End, main sacculus silk-guiding chamber entrance are changed on the conduit of main balloon interior, are located at different from the past guidewire lumen entrance The head end of foley's tube.

10th, linkage section of the guidewire lumen outlet of single track (rapid-exchange version) foley's tube conventional at present positioned at foley's tube Tail end, at conduit head end 20-30cm, now arranges the connection segment length 40cm of the special type side foley's tube, then side seal wire Chamber is exported at conduit head end 40cm, the connection segment length 20cm of main foley's tube, then main guidewire lumen is exported away from conduit head end At 20cm, when side foley's tube is worn to linkage section tail end from the guidewire lumen of main foley's tube, side foley's tube is first stretched Go out the guidewire lumen outlet of main foley's tube, the guidewire lumen for prop up foley's tube when a seal wire stretches out again is exported, so as to can be by handss Patient freely operates.

11st, essence of the present utility model is that the guidewire lumen entrance in main foley's tube is changed into leading for main balloon interior Guan Shang, and side foley's tube is followed into the mesh and main sacculus of main support as the seal wire of main saccule support system Guidewire lumen entrance on side subchannel and main foley's tube enters main saccule support system.Sacculus and Bian Zhizhi are propped up in side in addition The design at frame special type end, the station location marker of detachable tail end have had the positioning for determining before causing side support release.

12nd, kiss expansion is made by the side of the side in operative process sacculus special type end and main balloon body The support that winner aids the border areas at branch ostium has perfect adherent, different from existing art formula main side sacculus it is parallel to kiss.

By taking the main side support balloon system of the special type of coronary artery Y type bifurcated lesions as an example：Aided the border areas according to the master of Y type pathological changes Angle, blood vessel diameter and the length of lesion propped up determines the side support balloon system of the special type end angle from matching and master Frame balloon system, the distance that sacculus head end is propped up when wherein the guidewire lumen in a sacculus is exported to are 40cm, main sacculus silk-guiding chamber The distance for being exported to main sacculus head end is 20cm, then when two sacculus head ends are concordant, side guidewire lumen relatively main seal wire of outlet Chamber outlet grows 20cm, it is ensured that while seal wire while prop up and prop up sacculus from side after foley's tube stretches out main sacculus silk-guiding chamber outlet and lead The outlet of silk chamber is stretched out, and is easy to operate the push section of side seal wire and Bian Zhi foley's tubes, and adjustment master aids the border areas the position of balloon-stent Put.

The support special type end mesh on side has more fine and close geometric grid figure than rack body, it is ensured that good after expansion At laminating side branch ostium.

At the dismounting of the detachable tail end of foley's tube positioned at apart from while prop up at sacculus head end 90cm, herein positioned at operation There are thinner external diameter and preferable pliability in the front of person, foley's tube, are easy to the guidewire lumen from main sacculus to pass through.Bian Zhiqiu After ductus bursae stretches out main foley's tube guidewire lumen outlet, the detachable tail end in side is bonded together by internal and external threads, is passed through Locator card promise pressurizing chamber is unimpeded and coherent.

Then alternately follow and foley's tube is propped up when a seal wire is advanced, follow main foley's tube of side foley's tube propulsion, when Master aids the border areas balloon-stent when reaching at lesion vesselses, first expands that side support is adherent, and recession trimming props up balloon pressure, slightly before Send, main support of further expansion is adherent, a main sacculus removes pressure, side sacculus special type end is then retreated to main support tube chamber It is interior, it is swelling to master sacculus pressurization again, give side sacculus pressurization when being close to tube wall diameter again, then synchronously reach master and aid the border areas Maximum pressure and make winner's support of aiding the border areas completely adherent.

Specifically used mode of the present utility model and operating procedure are as follows：

1st, conventional to carry out coronarography, Arterial sheath is retained at puncture tremulous pulse, generally radial artery or femoral artery.

2nd, according to coronary artery pathological changes situation, seal wire is sent into from Arterial sheath, send into guiding catheter, guiding catheter along seal wire At left or right coronary ostium, seal wire is entered at lesion vesselses, sends into the foley's tube of unloaded support along seal wire, first (i.e. to carrying out pressurization expansion without standoff sacculus, increase the narrow mitigation of lesion vesselses, tube chamber main and side predilation Greatly, it is easy to subsequent support to insert), seal wire temporary retention Bian Zhinei, seal wire tail end are located at external (Figure 14).

3rd, in vitro, the master of main saccule support system is propped up sacculus first to pressurize slightly, a main support will be expanded a little, cruelly The side subchannel of main support mesh of dew and main sacculus.

4th, after dismantle the detachable tail end of side foley's tube, the side foley's tube of sacculus side will be included The guidewire lumen for pushing the side subchannel on the main mesh for propping up support of section endian order insertion, main sacculus and main foley's tube enters Mouthful, into after the guidewire lumen of main foley's tube, continue propulsion, emerge from the guidewire lumen outlet of main foley's tube, when side When sacculus head end and main sacculus head end distance about 10cm, guidewire lumen outlet is propped up on side will be caudad square positioned at main guidewire lumen outlet To at 10cm, now detachable tail end pushes section connection with the side foley's tube for including sacculus side and resets, stably main With the push section of side foley's tube.(Figure 15)

5th, a main sacculus is removed into pressure completely, and a main support is pinched into into mini diameter tube shape, be wrapped in main balloon surface.

6th, the guidewire lumen entrance of foley's tube head end is propped up when the tail end in an external section of seal wire is inserted by operator, side is led Silk is stretched out from the guidewire lumen outlet of side foley's tube, is caudad evened up, fixed seal wire.By assistant alternately along seal wire propulsion side Main foley's tube of foley's tube and edgewise foley's tube follow-up, Bian Zhi and main foley's tube successively enter guiding catheter, And continue to advance at bifurcated vessels.(Figure 16)

7th, when the branch vessel when a sacculus enters bifurcated lesions, the tail end of fixed edge foley's tube.Now main Foley's tube continues propulsion, presses close to the tail end of side sacculus, the lower position for determining main and side balloon-stent of perspective.(Figure 17)

8th, the station location marker according to detachable tail end, rotates the tail end of side foley's tube so that the special type of side support Hold to edging branch vessel opening, progressively pressurize to side sacculus, after determination backing positions are accurate under continuing to have an X-rayed, give side ball Capsule continues pressurization, while support and while branch vessel it is adherent, last for several seconds or more than ten seconds recession trimming balloon pressure, sacculus are flat Collapse, when a support is then fitted on branch vessel wall.(Figure 18)

9th, till master foley's tube is delivered to before continuing and can not be advanced, side sacculus is a little after slightly pressing to be expanded but not yet pastes Near side (ns) branch vessel wall, and 1-2mm is before sent slightly, now in the central shaft for propping up branch vessel when foley's tube is still located at.Give main Balloon pressure, is expanded to when fitting to main branch vessel wall, last for several seconds or more than ten seconds, removes a main balloon pressure, sacculus collapsing, A main support will ideally be fitted in blood vessel relatively.(Figure 19)

10th, a now main support mesh is expanded that support is big, withdraws and prop up the special type end of sacculus when a sacculus makes and retreat to main propping up Support tube intracavity about 1mm (Figure 20), expansion master sacculus is to dwell during slightly smaller than main diameter, then props up sacculus progressively to side Pressurization, further expands main support mesh, and then resynchronisation expansion master aids the border areas sacculus to maximum pressure before or bigger Pressure, last for several seconds or more than ten seconds, a so main support are further expanded, and main support perfection is adherent, and a main bracket lip gets out Mouthful place's mesh by while sacculus special type side pressure to while branch vessel opening at, side is propped up support special type end and is also further extruded and conforms to Tube chamber edge at the branch vessel opening of side, at main bracket lip branch ostium, there are a little overlap, side in mesh and Bian Zhi support special types end Completely can be covered at opening.(Figure 21)

11st, main balloon pressure of aiding the border areas is removed, the main sacculus of aiding the border areas of pumpback goes out in vitro.

12nd, pumpback seal wire goes out in vitro, and vascular puncture point pressure dressing, operation terminate.

Although this utility model is illustrated to this utility model and is illustrated using specific embodiment and its alternative, It should be appreciated that can implement without departing from the variations and modifications in scope of the present utility model.Therefore, should manage Being relieved outside limited by appended claims and its condition of equivalent, this utility model is not by being limited in all senses.

Claims

1. saccule support system is propped up on a kind of main side of special type for bifurcated lesions, it is characterised in that：Including special type side sacculus Frame system A and special type master prop up saccule support system B；

Wherein special type side saccule support system A includes：Side balloon body (3), the loudspeaker at side branch ostium of fitting after expansion Mouthful shape side sacculus special type end (4), while foley's tube (5) head end through while prop up balloon body (3) interior；

Wherein special type master props up saccule support system B and includes：A main balloon body (13), main foley's tube (14) head end through In main balloon body (13), the main internal master of balloon body (13) props up has a main sacculus silk-guiding chamber to enter on foley's tube (14) Mouth (17), has side subchannel (18), side subchannel (18) and main sacculus silk-guiding chamber entrance (17) on main balloon body (13) Communicate.

2. saccule support system is propped up on the main side of special type according to claim 1, it is characterised in that：Special type side balloon-stent system System A also includes side rack body (1), expands the side support special type end (2) of the bell mouth shape at the branch ostium of back, Bian Zhizhi Frame body (1) is sleeved on the balloon body (3) of side, and side foley's tube (5) is pushing section also detachable tail end (8)；With/ Or, special type master props up saccule support system B also includes main rack body (19), a main rack body (19) is sleeved on main sacculus On body (13).

3. saccule support system is propped up on the main side of special type according to claim 1 or claim 2, it is characterised in that：The side foley's tube (5) have in while sacculus silk-guiding chamber (6) and while prop up sacculus pressurizing chamber (7).

4. saccule support system is propped up on the main side of special type according to claim 2, it is characterised in that：The side support special type end (2) positioned at the while branch vessel open side in a rack body (1), the end face and Bian Zhi supports at the side support special type end (2) The central shaft of body (1) is angled, it is described while sacculus special type end (4) and while prop up the section of balloon body (3) connecting place Angled with the central shaft of side balloon body (3), two angles match；Wherein：For the T-shaped support of T-shaped pathological changes Sacculus, angle is into 90 degree；For the Y type support sacculus of Y type pathological changes, which is not equal to 90 degree towards the angle α of central shaft head end.

5. saccule support system is propped up on the main side of special type according to claim 4, it is characterised in that：The side for Y type pathological changes Support special type end (2) and side sacculus special type end (4), its towards while prop up rack body (1) or while prop up in balloon body (3) The angle α at spindle head end is 20-160 degree and is not equal to 90 degree.

6. saccule support system is propped up on the main side of special type according to claim 2, it is characterised in that：The detachable tail end (8) its Detachable part is located at the external section that side foley's tube (5) pushes section tail end, and its detachable part is in side foley's tube (5) There is engagement device the dismounting position both sides for pushing section axial direction, side support sacculus special type end of its tail end also for Y type pathological changes (4) position mark (12) of the acute side on the circumference of push rod transverse section, detachable tail end (8) can be with the head end phase of compression pump Even.

7. saccule support system is propped up on the main side of the special type according to claim 2 or 6, it is characterised in that：The detachable tail end (8) Its detachable part is located at the external section that side foley's tube (5) pushes section tail end, apart from side foley's tube (5) head end Between 80cm-140cm.

8. saccule support system is propped up on the main side of the special type according to claim 2 or 6, it is characterised in that：The detachable tail end (8) It is bolt (10) nut that its detachable part pushes the engagement device of the dismounting position both sides of section axial direction in side foley's tube (5) (9) structure.

9. saccule support system is propped up on the main side of the special type according to claim 2 or 6, it is characterised in that：The detachable tail end (8) Its detachable part pushes the engagement device of the dismounting position both sides of section axial direction and also positions stuck point in side foley's tube (5) (11), it is concavo-convex stuck point or concavo-convex draw-in groove.

10. saccule support system is propped up on the main side of special type according to claim 3, it is characterised in that：The side sacculus silk-guiding chamber (6) entrance is located at side foley's tube (5) head end, and linkage section tail end of the outlet positioned at side foley's tube (5), side sacculus are led Length of the length of pipe (5) linkage section more than main foley's tube (14) linkage section.

The 11. main side of special type saccule support systems according to claim 10, it is characterised in that：The side foley's tube (5) length of the length of linkage section more than main foley's tube (14) linkage section, both are 10-40cm apart from its difference.

The 12. main side of special type saccule support systems according to claim 3, it is characterised in that：The side sacculus pressurizing chamber (7) there is pressurizing chamber outlet (23) in the balloon body (3) of side, the external section of foley's tube (5) push section is removable on side Position interruption is unloaded, is connected after engaging with detachable tail end (8).

The main side saccule support system of 13. special types according to claim 1 or claim 2, it is characterised in that：The master props up foley's tube (14) there are main sacculus silk-guiding chamber (15) and main sacculus pressurizing chamber (16) in.

The main side saccule support system of 14. special types according to claim 13, it is characterised in that：The master props up sacculus silk-guiding chamber (15) prop up and seamlessly transit between sacculus silk-guiding chamber entrance (17) with the master, main sacculus silk-guiding chamber (15) internal diameter is more than side ball The external diameter at the detachable place of ductus bursae (5), side foley's tube (5) are little except the external diameter of the outer remainder of detachable tail end (8) In the external diameter at detachable place, the master props up the tail that foley's tube (14) linkage section is propped up in sacculus silk-guiding chamber (15) outlet positioned at the master End；The master props up sacculus pressurizing chamber (16) has pressurizing chamber to export in main balloon body (13), props up foley's tube in the master (14) tail end has pressure pump interface (22) to communicate with a main sacculus pressurizing chamber (16).

The main side saccule support system of 15. special types according to claim 1 or claim 2, it is characterised in that：The side subchannel (18) Central shaft and the master prop up foley's tube (14) in the axial angle β towards main balloon body (13) head end into certain angle Degree, the aperture of the side subchannel (18) is more than or equal to the main aperture for propping up sacculus silk-guiding chamber entrance (17), side subchannel (18) Inwall and the master prop up the surface of balloon body (13) and seamlessly transit.

16. special type masters according to claim 1 or claim 2 prop up saccule support system, it is characterised in that：The side subchannel (18) It is 20-160 degree that central shaft props up foley's tube (14) in the axial angle β towards main balloon body (13) head end with the master.

17. special type masters according to claim 1 or claim 2 prop up saccule support system, it is characterised in that：The side subchannel (18) exists After the master props up balloon body (13) expansion, side subchannel (18) lead to ball in involute from main sacculus silk-guiding chamber entrance (17) Capsule surface.