CN209574962U

CN209574962U - Quickly arcus haemalis overlay film frame rupture of membranes external member with reversed traction function

Info

Publication number: CN209574962U
Application number: CN201821977900.1U
Authority: CN
Inventors: 刘健
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2019-11-05
Anticipated expiration: 2028-11-28

Abstract

A kind of quickly arcus haemalis overlay film frame rupture of membranes external member with reversed traction function, there are three the accessories of luminal structure to constitute by having for the external member, the intracavitary overlay film frame of the arch of aorta can reversely be drawn by these structures and be fixed to progress fast accurate rupture of membranes at membrane puncture needle needle point, reach instantaneous portion revascularization and is resistant to the target for completing complete revascularization in complete ischemic safety time in cerebral cortex, entire surgical procedure will exempt extracorporal circulatory system and other blood vessel bypass, simplify surgical procedure and wound, reduce operation risk, improve operation safety, the cost of patient is reduced simultaneously.

Description

Quickly arcus haemalis overlay film frame rupture of membranes external member with reversed traction function

Technical field

The overlay film frame target site that the present invention relates to a kind of for bending intracavitary implantation to human aortic quickly drives in the wrong direction broken The external member of film, the external member are generally made of the accessory of three luminal structures, and two of them accessory is single cavity structure, and one is matched Part is three-cavity structure.

Background technique

Arch of aorta debranching enzyme technology is one of the major progress of department of cardiovascular surgery minimally-invasive treatment, and successful key is The revascularization of three branch of the arch of aorta.

The pre- windowing technology of the overlay film frame of the past, the aorta tectorial membrane stent with single branch and chimney technology etc. cannot Satisfied the problems such as solving fast accurate positioning in art and ensuring curative effect, arch of aorta branch vessel bypass graft is carried out in advance and (is taken Bridge), then operation wound, operation risk and trouble are added somewhat to " hybridization " therapeutic modality of overlay film frame inner cavity insulation The financial burden of person.

Arch of aorta overlay film frame " rupture of membranes in situ " technology is new development in recent years, since there are no dedicated ruptures of membranes so far Equipment, carries out the rupture of membranes that drives in the wrong direction using existing equipments such as laser fiber, wire guides in the current art of surgeon, these devices are total to It is inefficiency with feature, there are security risks.

Theoretically, it is 3-4 minutes that cerebral cortex, which is resistant to complete Ischemia Time, under room temperature, is more than this time limit, cerebral cortex Irreversible necrosis will occur.

Existing above-mentioned rupture of membranes technology is tediously long to revascularization procedure, it is difficult to it is completed in above-mentioned safety time, therefore Need to pre-establish extracorporal circulatory system bypass or blood vessel bypass to ensure operation safety more.

In addition, the laser fiber or wire guide head end of rupture of membranes have no effective protection device, branch may cause in rupture of membranes Frame opposite side overlay film and vascular damaged, laser may also result in the damage of overlay film frame wire, fracture, Blood damage, thrombus shape At etc. bad result.

Therefore, clinically need it is a kind of can moment fast accurate drive in the wrong direction rupture of membranes, ensure cerebral cortex be resistant to completely lack Restore the effective local blood perfusion of arch of aorta branch vessel in the safety time of blood, while ensuring that supporting structure is complete, damages without pair The film breaking unit of wound.

Summary of the invention

Therefore, the purpose of the present invention is to provide such quickly retrograde rupture of membranes external member, in the quickly retrograde rupture of membranes external member Quickly retrograde rupture of membranes system can within the several seconds inverse blood flow direction (retrograde) to being implanted into the intracavitary overlay film frame of the arch of aorta The accurate rupture of membranes of target site, moment complete part revascularization and after the completion of cerebral cortex are resistant in complete ischemic safety time Continuous complete revascularization, entire surgical procedure will exempt extracorporal circulatory system and other blood vessel bypass, and not only overcome the prior art Drawbacks described above, and simplify surgical procedure, reduce operation wound, reduce operation risk, improve operation safety, reduce simultaneously The cost of patient.

The technical solution adopted by the present invention to solve the technical problems is: as needed in arch of aorta overlay film frame target The quick rupture of membranes system of driving in the wrong direction being pre-filled in 1-3 external members of the present invention in the corresponding arch of aorta branch vessel in position, works as master Arch of aorta overlay film frame discharges, completely after exapnsion, is reversely drawn overlay film frame using loop shape wire guide ring preset in this external member Accurate rupture of membranes is carried out to membrane puncture needle needle point position, to reach instantaneous portion revascularization and be resistant in cerebral cortex complete Subsequent blood is completed in ischemic safety time transports the target rebuild completely.

Generally by tool, there are three pipes for the quickly arcus haemalis overlay film frame rupture of membranes external member with reversed traction function The accessory of cavity configuration is constituted, comprising: the (i) membrane puncture needle of single cavity structure and its push rod complex, the rupture of membranes of the single cavity structure Needle and its push rod complex are used for the rupture of membranes that quickly drives in the wrong direction to the target site of the intracavitary overlay film frame of the arch of aorta, and are managed by it Chamber is significantly less than the stiff guide wire of cut diameter after rupture of membranes to the intracavitary quick merging diameter of overlay film frame, and the three of (ii) three-cavity structure Chamber conveys sheath, and three chambers of the three-cavity structure convey sheath, be dimensioned and be configured to can by the membrane puncture needle of above-mentioned single cavity structure and Its push rod complex and 1 soft seal wire are preset in its corresponding lumen, are assembled into quickly retrograde rupture of membranes system, (iii) single The conveying sheath inner core of cavity configuration, the conveying sheath inner core of the single cavity structure is by size and is configured to that three chamber above-mentioned can be preset at defeated The intrathecal compound merging body of formation sheath-core is sent, for assisting three chambers conveying sheath and its preset soft seal wire therein along intravascular in art Preset stiff guide wire lower resistance, it is not damaged under the conditions of be sent to predetermined position.

Membrane puncture needle described in this rupture of membranes external member and its push rod complex are made of two different materials, hollow rupture of membranes Needle is hard metal or similar material, needle body length within 8mm and with hollow push rod close adhesion, push rod whatsoever material Matter all has certain degree of hardness and compliance, the resistance to comply with blood vessel trend, and when can overcome membrane puncture needle rupture of membranes.

Membrane puncture needle described in this rupture of membranes external member and its push rod complex have the first limit resistance and the second limit resistance, with limit It is pierced into when membrane puncture needle rupture of membranes processed and too deep injure arch of aorta overlay film frame opposite side overlay film and injure vascular wall.

The intracavitary of membrane puncture needle needle point described in this rupture of membranes external member has guiding performance protuberantia, can guide stiff guide wire when being placed in It is intracavitary that desired directions enter arch of aorta overlay film frame.

Membrane puncture needle described in this rupture of membranes external member is in coniform, to guarantee that rupture of membranes is quick and cut diameter is significantly greater than subsequent The stiff guide wire diameter of merging, achievees the purpose that instantaneous portion revascularization.

Stiff guide wire is allowed in the membrane puncture needle and its push rod complex lumen of single cavity structure described in this rupture of membranes external member Pass through.

Three chambers described in this rupture of membranes external member, which convey sheath, can pass through the master of membrane puncture needle and its push rod complex in addition to having Except body lumen and its main-inlet and primary outlet, in two sides, there are also bilateral pipes and its entry and exit, allow 1 soft seal wire from wherein One side pipe penetrates, and another side pipe is pierced by and fixes, and bilateral pipe can be designed on the outside of sheath or intracavitary.

The conveying sheath inner core of single cavity structure described in this rupture of membranes external member can pass through the entrance and exit of stiff guide wire in addition to having Outside, it is intracavitary to be dimensioned and be configured to can be preset at three chambers conveying sheath main body tube, head end length is longer simultaneously compared with three chambers conveying sheath In tapered coniform, so that three chambers conveying sheath enters endovascular designated position under the conditions of lower resistance, not damaged.

The storage of loop shape wire guide ring is provided in coniform conveying sheath inner core outlet end root side described in this rupture of membranes external member Slot, in favor of three chambers conveying sheath prepackage loop shape wire guide ring can smoothly enter into it is intravascular.

Above-mentioned beneficial effect is that three chambers conveying sheath of the invention is sent in master by the compound merging body of sheath-core through the invention Any one of three branch vessel of the arch of aorta or the opening of three branches simultaneously, taking out again will be of the invention after conveying sheath inner core Membrane puncture needle and its push rod complex are preset at the loop that three chambers conveying sheath main body tube is intracavitary, is formed with soft seal wire preset in bilateral pipe Shape wire guide ring is cooperatively assembled into quickly retrograde rupture of membranes system.

It is opened in advance in aorta lumen with the loop shape wire guide ring that flexible conduit is formed in three chambers conveying sheath bilateral pipe is preset at Amplification, arch of aorta overlay film frame pulls soft seal wire after discharging in the loop shape wire guide ring can be by exapnsion in the arch of aorta Overlay film frame reversely draw to membrane puncture needle needle point position (three chambers convey sheath primary outlet at), make overlay film at needle point and target Bracket is farthest approached and is mutually perpendicular to, and quickly pushes pushing away for membrane puncture needle and its push rod complex to overlay film frame direction Send bar handle that can complete the accurate rupture of membranes to the arch of aorta overlay film frame target site moment.

Push rod handle adjustment membrane puncture needle needle point direction is suitably rotated after rupture of membranes, it can be fast by desired direction by stiff guide wire Speed feeding arch of aorta overlay film frame is intracavitary, drops back after quickly driving in the wrong direction rupture of membranes system and exiting membrane puncture needle and its push rod complex Arch of aorta branch vessel part revascularization can be realized.

With this condition, expansion and the implantation of branch vessel man-made support at subsequent rupture of membranes, realizes arch of aorta branch The complete revascularization of blood vessel will no longer face any obstacle.

Detailed description of the invention

With reference to the accompanying drawing and give an actual example that the present invention is further described.

Fig. 1 is human aortic bow schematic diagram.

Fig. 2 is three branch vessel blood flows interruption schematic diagram after the intracavitary stent inserting of the arch of aorta.

Fig. 3 is membrane puncture needle described in external member of the invention and its push rod complex schematic diagram.

Fig. 4 and Fig. 5 is the three chambers conveying sheath schematic diagram of two kinds of forms described in external member of the invention.

Fig. 6 is conveying sheath inner core schematic diagram of the invention.

Fig. 7 is that of the invention conveying sheath inner core is placed in three chambers conveying sheath main body lumen forms the compound merging of sheath-core Body and along the schematic diagram of stiff guide wire traveling.

Fig. 8 is three chambers conveying sheath of the invention and its is placed in the intraluminal membrane puncture needle of its main body and its push rod is compound The quickly retrograde rupture of membranes system that the loop shape wire guide ring of body, the soft seal wire being preset in its bilateral pipe and its formation is assembled into jointly Schematic diagram.

Fig. 9 is by of the invention 2 right innominate arteries of the rupture of membranes system footprint in three branch of the arch of aorta that quickly drive in the wrong direction Soft seal wire showing in the intracavitary formation loop shape wire guide ring of the arch of aorta in left common carotid artery lumen, in three chambers conveying sheath bilateral pipe It is intended to.

Figure 10 is disposed upon right innominate artery and intraluminal 2 present invention of left common carotid artery in three branch of the arch of aorta Quick rupture of membranes system of driving in the wrong direction the intracavitary overlay film frame of the arch of aorta reversely drawn to position where external member membrane puncture needle needle point go forward side by side The schematic diagram of the quick retrograde rupture of membranes process of row.

1. membrane puncture needle in attached drawing, the outlet of 2. membrane puncture needles, 3. membrane puncture needle guiding performance knuckles, 4 first limit resistances, 5. membrane puncture needles Push rod, 6. second limit resistances, 7. push rod handles, 8. push rod entrances, 9. stiff guide wires, 10 3 chamber convey sheath bilateral pipe, 11. three chambers convey sheath main-inlet, 12. 3 chambers convey sheath primary outlet, 13. bilateral tube inlets, and 14. bilateral pipes export, and 15. seal wires are solid Determine bolt, 16. soft seal wires, 17. conveying sheath inner core tube chamber entrances, 18. conveying sheath inner core tube chamber outlets, the storage of 19. loop shape wire guide rings Slot, 20. conveying sheath inner leg shape bodies, 21. membrane puncture needles and its push rod complex, 22. 3 chambers convey sheath, and 23. convey sheath inner cores, 24. the compound merging body of sheath-core, the quick rupture of membranes system being completed in 25. bodies, 26. arch of aortas, 27. aorta petals, 28. Aorta ascendens, 29. right innominate artery openings, 30. left common carotid arteries opening, 31. left subclavian arteries opening, 32. descending aortas, 33. overlay film frame, 34. loop shape wire guide rings, 35. support seal wires.

Specific embodiment

In Fig. 1, human aortic bow (26) is depicted, there are three the important dry branch openings of neck for tool: right nothing Name arterial ostium (29), left common carotid artery opening (30) and left subclavian artery opening (31), what is be connected with the arch of aorta is to rise Aorta (28), aorta petal (27) and descending aorta (32), arrow is oriented to the direction of the normal blood supply of incidence in figure.

After Fig. 2 shows the human aortic having shown that as shown in figure 1 bow (26) and discharges overlay film frame (33) in it Arch of aorta neck does the situation (at arrow meaning) that three branch vessels opening (29,30,31) blood flow is separated completely, if continuing Time is more than 3-4 minutes, and irreversible necrosis will occur for cerebral cortex, therefore must be in its corresponding position (hereinafter referred to as " mesh Mark position ") the quick retrograde rupture of membranes in the intracavitary overlay film frame of the arch of aorta (33) part, to restore the blood of the dry vessel branch of neck Supply.

Fig. 3 show be single cavity structure in external member of the present invention membrane puncture needle and its push rod complex (21), the single-chamber The membrane puncture needle and its push rod complex (21) of structure include membrane puncture needle (1), membrane puncture needle outlet (2), the intracavitary guiding of rupture of membranes needle point Property knuckle (3), push rod end formed first limit resistance (4), membrane puncture needle push rod (5) second limit resistance (6), push rod hand Handle (7) and push rod entrance (8) since membrane puncture needle and its push rod complex are a luminal structure on the whole, therefore allow It enters intravascular master where can also exporting (2) to membrane puncture needle by push rod entrance (8) after rupture of membranes along stiff guide wire (9) The intracavitary merging stiff guide wire (9) of arch of aorta overlay film frame.

Fig. 4 and Fig. 5 depicts three chambers conveying sheath (22) of two kinds of forms of external member, described three chambers conveying sheath (22) in addition to Have main body lumen main-inlet (11) and primary outlet (12) outside, further include bilateral pipe (10) and its entrance (13) and outlet (14) and Seal wire fixing bolt (15), three chambers, which convey in bilateral pipe (10) lumen of sheath (22), allows 1 soft seal wire (16) to enter from a side pipe Mouthful import and export goes out, then from other side tube inlet into (arrow direction in figure) being exported out, by seal wire fixing bolt at final outlet (15) fixed, in this way, soft seal wire forms loop shape wire guide ring (34) at primary outlet.According to different designs, bilateral pipe (10) can position It is intracavitary (Fig. 5) in (Fig. 4) outside main body lumen or main body tube.

The conveying sheath inner core (23) in external member of the present invention is shown in Fig. 6, and the conveying sheath inner core (23) can in addition to having Outside with the lumen entrance (17) for passing through stiff guide wire (9) and outlet (18), it is dimensioned and is configured to that three chambers conveying sheath can be preset at (22) main body tube is intracavitary, and head end length is longer compared with three chambers conveying sheath (22) and in tapered coniform, in favor of the conveying of three chambers Sheath (22) enters endovascular designated position under the conditions of lower resistance, not damaged, in the bottom of conveying sheath inner core (23) cone Side is provided with loop shape wire guide ring accommodating groove (19).

Fig. 7 describes the compound merging body of sheath-core being assembled by conveying sheath inner core (23) and three chambers conveying sheath (22) (24), three chambers can be conveyed soft seal wire preset in sheath (22) bilateral pipe (10) by compound merging body (24) of the sheath-core (16) the loop shape wire guide ring (34) that distal end is formed temporarily be convenient in the loop shape wire guide ring accommodating groove (19) of conveying sheath inner core by tightening Whole merging.

Quick retrograde rupture of membranes system (25) being completed are shown in Fig. 8, by membrane puncture needle and its push rod complex (21), three chambers conveying sheath (22) and the soft seal wire (16) being preset in its bilateral pipe (10) and its loop shape wire guide ring (34) formed It collectively constitutes.

Fig. 9 describes each pre- in the right innominate artery (29) of three branch of the arch of aorta and left common carotid artery (30) simultaneously 1 quick retrograde rupture of membranes system (25) of the invention are set, the direction that soft seal wire (16) presses arrow meaning is conveyed into sheath to three chambers (22) it is promoted in, its loop shape wire guide ring (34) is made to open amplification in advance in aorta lumen, the support being then placed in from femoral artery The situation that seal wire (35) is passed through from the loop shape wire guide ring (34).

Figure 10 describes the quickly right innominate artery (29) of retrograde rupture of membranes system (25) in the arch of aorta of of the invention 2 With completed simultaneously or successively to the process of the intracavitary overlay film frame of the arch of aorta (33) target site rupture of membranes in left common carotid artery (30), After the support seal wire (35) that overlay film frame (33) edge is placed in through femoral artery arrives at the predetermined position of the arch of aorta and discharges completely, Soft seal wire (16) is pulled by the direction of arrow meaning to three chambers conveying sheath (22) outside, it can be originally intracavitary in the arch of aorta by it Loop shape wire guide ring (34) tightening of opening amplification in advance is simultaneously anti-by the inverse rupture of membranes pin puncture direction of expanded overlay film frame (33) Position where to traction to membrane puncture needle (1) needle point, at this point, membrane puncture needle (1) and overlay film frame (33) target site are farthest It approaches and is mutually perpendicular to, rupture of membranes system (25) the push rod handle (7) that will quickly drive in the wrong direction is advanced into Fig. 3 to overlay film frame (33) direction At the first limit resistance (4) and the second limit resistance (6) of description, it can be rapidly completed in moment to overlay film frame (32) target site Accurate rupture of membranes.

Claims

1. a kind of quickly arcus haemalis overlay film frame rupture of membranes external member with reversed traction function, the external member is it is characterized in that total By having, there are three the accessories of luminal structure to constitute on body, comprising:

The membrane puncture needle and its push rod complex (21) of single cavity structure, the membrane puncture needle and its push rod complex of the single cavity structure (21) it is used for the rupture of membranes that quickly drives in the wrong direction to the target site of the intracavitary overlay film frame of the arch of aorta (33), and through its lumen after rupture of membranes To the intracavitary quick merging stiff guide wire (9) of overlay film frame (33),

Three chambers of three-cavity structure convey sheath (22), and three chambers of the three-cavity structure convey sheath (22), are dimensioned and are configured to use It is intracavitary in the membrane puncture needle of above-mentioned single cavity structure and its push rod complex (21) are preset at its main body tube, by 1 soft seal wire (16) it is preset in its bilateral pipe (10) and fixed with seal wire fixing bolt (15) at a side outlet (14), three chambers convey sheath (22), the membrane puncture needle of single cavity structure and its push rod complex (21) and 1 soft seal wire (16) and its loop shape wire guide ring formed (34) quickly retrograde rupture of membranes system (25) are assembled into jointly in the blood vessels,

The conveying sheath inner core (23) of single cavity structure, the conveying sheath inner core (23) of the single cavity structure is by size and be configured to can be preset Three chamber above-mentioned conveying sheath (22) in become the compound merging body (24) of sheath-core, for assisted in art three chambers convey sheath (22) and Preset loop shape wire guide ring (34) therein along intravascular preset stiff guide wire (9) lower resistance, it is not damaged under the conditions of be sent to it is predetermined Position.

2. the quickly arcus haemalis overlay film frame rupture of membranes external member according to claim 1 with reversed traction function, special Sign is: membrane puncture needle and its push rod complex (21) are made of two different materials, and membrane puncture needle (1) is hard metal class or class Like material, hollow shape, needle body length is within 8mm, push rod (5) and its close adhesion, push rod (5) whatsoever material, Certain degree of hardness and compliance are all had, the resistance to comply with blood vessel trend, and when can overcome rupture of membranes.

3. the quickly arcus haemalis overlay film frame rupture of membranes external member according to claim 1 with reversed traction function, special Sign is: membrane puncture needle and its push rod complex (21) have the first limit resistance (4) and the second limit resistance (6), to limit membrane puncture needle (1) it is pierced into when rupture of membranes and too deep injures arch of aorta overlay film frame (33) opposite side overlay film and vascular wall.

4. the quickly arcus haemalis overlay film frame rupture of membranes external member according to claim 1 with reversed traction function, special Sign is: membrane puncture needle (1) is open circles cone cell, and bottom is thicker, to guarantee that rupture of membranes is quick and cut diameter is significantly greater than then merging Stiff guide wire (9) diameter, achieve the purpose that instantaneous portion revascularization.

5. the quickly arcus haemalis overlay film frame rupture of membranes external member according to claim 1 with reversed traction function, special Sign is: membrane puncture needle (1) needle point is intracavitary guiding performance protuberantia (3), and stiff guide wire (9) can be guided to enter master to desired directions when being placed in Arch of aorta overlay film frame (33) is intracavitary.

6. the quickly arcus haemalis overlay film frame rupture of membranes external member according to claim 1 with reversed traction function, special Sign is: three chambers convey sheath (22) can be entered in addition to having by the main body lumen and its master of membrane puncture needle and its push rod complex (21) Except mouth (11) and primary outlet (12), in two sides, there are also bilateral pipes (10) and its bilateral tube inlet (13) and bilateral pipe to export (14), 1 soft seal wire is allowed in the lumen of bilateral pipe (10), and from side lumen, from the other side, lumen enters and draws again after Out, bilateral pipe (10) can be located at outside three chambers conveying sheath main body lumen or main body tube is intracavitary.

7. the quickly arcus haemalis overlay film frame rupture of membranes external member according to claim 1 with reversed traction function, special Sign is: having seal wire fixing bolt (15) at the outlet (14) of three chambers conveying sheath (22) bilateral pipe side, seal wire is fixed at this It only needs simply to push or pull seal wire at the bilateral tube inlet (13) of the other side afterwards, can form or tighten loop shape wire guide ring (34).

8. the quickly arcus haemalis overlay film frame rupture of membranes external member according to claim 1 with reversed traction function, special Sign is: the conveying sheath inner core (23) of single cavity structure is it is characterized in that head end in tapered coniform, is opened in the bottom side of cone There is loop shape wire guide ring accommodating groove (19), when conveying sheath inner core (23) and three chambers conveying sheath (22) are assembled into the compound merging of sheath-core When body (24), the loop shape wire guide ring (34) of prepackage is placed in loop shape wire guide ring accommodating groove (19) and is tightened, sheath-core can be made compound Merging body (24) can smoothly enter into intravascular.