CN105498070A

CN105498070A - Coronary artery intervention-based end hole guide wire

Info

Publication number: CN105498070A
Application number: CN201610003280.0A
Authority: CN
Inventors: 夏妍; 夏勇; 沈莹; 李约延
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-04
Filing date: 2016-01-04
Publication date: 2016-04-20

Abstract

The invention discloses a coronary artery intervention-based end hole guide wire, and relates to medical equipment. In the percutaneous coronary intervention (PCI for short) and in the process of using a double guide wire track technology (BW for short), in order to make a second guide wire move forward smoothly without the assistance of a micro guide catheter, and avoid the winding operation of two guide wires and prevent a bracket from separating from a carrier, an end hole guide wire is utilized as the second guide wire. The end hole guide wire consists of a guide wire rod and a sleeve ring, wherein the sleeve ring is a circular ring; the cross section of the sleeve ring is a circular surface; the center line of the circular ring is parallel to the center line of the guide wire rod; and the sleeve ring is fixed to one side of the end part of the guide wire rod in a welding manner. According to the conventional operation of the PCI, a first guide wire is inserted into a blood vessel and penetrates through a narrow blood vessel infection focus to the far end of the blood vessel, and the position, at the guide catheter outside the body of a patient, of the sleeve ring of the end hole guide catheter is inserted by the first guide wire.

Description

A kind of stomidium guiding wire for calcification score

Technical field

The present invention relates to a kind of medical apparatus and instruments, be specifically related to the guiding wire that a kind of end used when percutaneous coronary intervention (pci) has pilot hole.

Background technology

The effect of guiding wire in percutaneous coronary intervention (pci) (be called for short PCI) art is that object sacculus or support is sent to target lesion place to provide " track " for it by narrow or Occlusion to blood vessel far-end.Complicated PCI art, conventional two guiding wire track (buddywire is called for short BW art), BW art is first guiding wire along placing, then sends into second guiding wire, accompanies with first guiding wire.Compared with single seal wire, BW art can improve support force and the stability of guiding catheter, and the arteria coronaria of stretching tortuous or angulation, plays the effect of slide rail, helps sacculus and stent delivery system smoothly by calcification angulation pathological changes, arrives target lesion.BW technology can also prevent from sliding to reduce blood vessel injury during balloon expandable.When processing coronary opening, bending, angulation, calcification, the complex lesions such as narrow, application BW art often plays effect of getting twice the result with half the effort.

In BW art, patient sends into second guiding wire, due to operation or vascular lesion is serious etc. reason causes coronary spasm, vascular dissection to damage likely make second guiding wire move ahead difficulty, be forced to send into target lesion before branch vessel and do not have slide rail effect; In addition, second guiding wire is scraped stenotic lesion and is reached blood vessel far-end sometimes, but two guiding wires are wound around and also make subsequent instrument not arrive target lesion, even likely cause the failure of PCI art.Apply microtubular or OTW sacculus clinically and solve an above difficult problem, microtubular had both contributed to second guiding wire and has moved ahead and pass through target lesion, also can avoid being wound around between guiding wire.But application microtubular itself and the method exiting microtubular comprise sacculus anchoring techniques, compression pump and prolongation seal wire etc. had both increased surgery cost and time, when also likely causing related complication.

In addition, the support implanted in PCI art is contained on sacculus in advance, when running into that arteria coronaria is bending, angulation, calcification or the narrow complex lesions such as seriously time, support likely departs from from the sacculus of prepackage, and Here it is, and support is de-carries.When occurring in PCI art that support is de-to be carried, being taken out by the de-support carried is optimum selection, reservation guiding wire is the basis of follow-up effective process and the prerequisite implementing the de-year support of taking-up, and method comprises little sacculus low pressure and expands, withdraws a de-year support, the two seal wire winding of rack far end, catching device crawl support etc.Once guiding wire deviates from support will cause further difficult treatment.

Summary of the invention

For making second guiding wire in BW art process move ahead smoothly, not using microtubular to assist, avoid two guiding wires to be wound around operation and prevent support de-year.The invention provides a kind of stomidium guiding wire as second guiding wire, for BW art process.

The present invention is achieved through the following technical solutions: a kind of stomidium guiding wire for calcification score, is characterized in that: stomidium guiding wire is made up of conducting wire pole and collar two parts.The described collar is fixed on guiding wire bar by the mode of welding.

The described collar is circular rings, and the centrage of circular rings and the centerline parallel of conducting wire pole are arranged, and the collar is by being fixed on the side of conducting wire pole end by weld bond.The disconnected cross section of the described collar is rounded face.

The cylindrical of described conducting wire pole and the cylindrical of the collar contact position external cylindrical surface on be made into plane respectively, between the two by plane contact, and weld together.

The invention has the beneficial effects as follows:

1, simplify second guiding wire technical process, shorten operating time, save consumptive material expense.

2, two guiding wire forms closed system, guarantees that guiding wire does not withdraw support, effectively can prevent support de-year.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.

Fig. 1 is first embodiment of the invention structural representation.

Fig. 2 is the A-A profile of Fig. 1.

Fig. 3 is second embodiment of the invention structural representation.

Fig. 4 is the B-B profile of Fig. 3.

Fig. 5 is the external schematic diagram being inserted in first guiding wire of stomidium guiding wire of the present invention.

Fig. 6 is that stomidium guiding wire of the present invention sends into the schematic diagram of blood vessel far-end along first guiding wire.

Fig. 7 is the schematic diagram sending into sacculus and support along stomidium guiding wire of the present invention.

Fig. 8 has performed the operation to withdraw from the schematic diagram of stomidium guiding wire of the present invention.

Fig. 9 is for recession stomidium guiding wire of the present invention is to sacculus and support place schematic diagram.

Figure 10 is that two guiding wires form sealing system taking-up support schematic diagram.

In figure: 1, conducting wire pole, 2, weld bond, 3, the collar, 4, first guiding wire, 5, blood vessel, 6, blood vessel focus, 7, sacculus, 8, support.

Detailed description of the invention

As shown in Figure 1 and Figure 2, a kind of stomidium guiding wire for calcification score, is characterized in that: stomidium guiding wire is made up of conducting wire pole 1 and the collar 3 two parts.The described collar 3 is welded on guiding wire bar 1 by weld bond 2.

The described collar 3 is circular rings, and the centrage of circular rings and the centerline parallel of conducting wire pole 1 are arranged, and the collar 3 is fixed on the side of conducting wire pole 1 end by the mode of welding.

As shown in Figure 3, Figure 4, what be connected with the collar 3 to make conducting wire pole 1 is more firm, the cylindrical of conducting wire pole 1 and the cylindrical of the collar 3 contact position external cylindrical surface on be made into plane respectively, between the two by plane contact, and weld together.

Stomidium guiding wire is used for the pattern of BW art process:

1, as shown in Figure 5, according to PCI conventional procedures, first guiding wire 4 is inserted blood vessel 5, and through narrow blood vessel focus 6 to blood vessel 5 far-end.The collar 3 of stomidium guiding wire (i.e. second guiding wire) is inserted in first guiding wire 4 the external of patient.

2, as shown in Figure 6, promote conducting wire pole 1, stomidium guiding wire is delivered to blood vessel far-end along first guiding wire 4 placed.

3, as shown in Figure 7, successively sacculus 7 and support 8 is sent into along stomidium guiding wire.

4, as shown in Figure 8, after support 8 puts in place, withdraw from by first guiding wire 4 of pressing, compression pump releasing bracket 8.Depending on visualisation, expand after determining whether apply non-compliant sacculus high pressure.After visualisation is satisfied, withdraws from stomidium guiding wire, complete PCI art.

Stomidium guiding wire is used for preventing the de-year procedure schema of support:

As shown in Figure 9, Figure 10, when occurring that support 8 is de-to be carried, two guiding wire closed systems that stomidium guiding wire conducting wire pole 1 and first guiding wire 4 are formed, guarantee that the support 8 of de-year is removed external.Concrete steps are as follows:

1, when support 8 takes off and carries, first guiding wire 4 original position motionless (see Fig. 9) is retained.

2, drop back stomidium guiding wire conducting wire pole 1 to sacculus 7 root and support 8 place, along motionless first seal wire 4 of original position by stomidium guiding wire and sacculus 7 and de-carry support 8 synchronous together with drop back in guiding catheter, complete and take out de-process (see Figure 10) of carrying support.

Claims

1. for a stomidium guiding wire for calcification score, it is characterized in that: stomidium guiding wire is made up of conducting wire pole (1) and the collar (3) two parts; The described collar (3) is fixed on guiding wire bar (1) by the mode of welding.

2. a kind of stomidium guiding wire for calcification score according to claim 1, it is characterized in that: the described collar (3) is circular rings, the centerline parallel of the centrage of circular rings and conducting wire pole (1) is arranged, and the collar (3) is by being fixed on the side of conducting wire pole (1) end by weld bond (2).

3. a kind of stomidium guiding wire for calcification score according to claim 1, is characterized in that: the disconnected cross section of the described collar (3) is rounded face.

4. a kind of stomidium guiding wire for calcification score according to claim 1, it is characterized in that: the cylindrical of described conducting wire pole (1) and the cylindrical of the collar (3) contact position external cylindrical surface on be made into plane respectively, between the two by plane contact, and weld together.