CN113440716A - Kiss guide wire - Google Patents

Abstract

The invention discloses a kiss wire which comprises a first wire and a second wire, wherein a first connecting part is arranged at the end part of the first wire, a second connecting part is arranged at the end part of the second wire, the first connecting part and/or the second connecting part are magnetic and can attract each other, and when the first connecting part and the second connecting part are in an attraction state, the first connecting part and the second connecting part are clamped. When the anastomosis guide wire gathered by the invention is used in interventional therapy, the first guide wire and the second guide wire can be quickly and magnetically butted in a blood vessel through the first connecting part and the second connecting part, and meanwhile, the connection strength between the first guide wire and the second guide wire is enhanced through the clamping structure of the first connecting part and the second connecting part, and the treatment speed is accelerated.

Description

Kiss guide wire

Technical Field

The present invention relates to medical devices, and more particularly, to an anastomosis guide wire.

Background

The guide wire plays a role in guiding various interventional catheters and implantation instruments into a target part of a body cavity in an interventional therapy process, such as percutaneous peripheral blood vessel forming operation, cardiovascular disease interventional therapy and other operations. The guide wire plays the roles of leading in, supporting, opening and exchanging in the interventional operation. The guide wire can guide and support the catheter to enter the blood vessel through the puncture hole through subcutaneous tissues, vessel walls and other soft tissues; guiding a catheter through the tortuous, hardened blood vessel selectively or super selectively into the examined blood vessel branch; the hardness of the catheter is enhanced, and the catheter is convenient to operate.

However, in the process of using the guide wire in a complex blood vessel vein, the difficulty of the operation of the process of dredging the blood vessel by the single guide wire is high, the treatment time is prolonged, the optimal treatment time is easily missed, and the damage of the blood vessel wall is easily caused by the single guide wire in the complex blood vessel vein, so that the secondary damage is caused to the patient.

Disclosure of Invention

The invention aims to provide a new technical scheme for an anastomosis guide wire.

The embodiment of the application provides a kiss guide wire, including first guide wire and second guide wire, the tip of first guide wire is provided with first connecting portion, the tip of second guide wire is provided with the second connecting portion, first connecting portion and/or the second connecting portion have magnetism and can attract each other, first connecting portion with when the second connecting portion is in the attraction state, first connecting portion with second connecting portion joint.

Optionally, the first guide wire and the first connecting portion are connected through a first rotating shaft, and the second guide wire and the second connecting portion are connected through a second rotating shaft.

Optionally, the first rotation axis is disposed perpendicular to the first guide wire, and the second rotation axis is disposed perpendicular to the second guide wire.

Optionally, a first clamping groove is formed in the first connecting portion, a clamping hook is arranged on the second connecting portion, and the clamping hook is embedded into the first clamping groove when the first connecting portion and the second connecting portion are in an attraction state.

Optionally, a second clamping groove is formed in the first clamping groove in a manner of extending towards the first wire guiding direction, the clamping hook is bent towards the second wire guiding direction to form a bent portion, and the bent portion is embedded into the second clamping groove when the first connecting portion and the second connecting portion are in an attraction state.

Optionally, the first clamping groove is formed in the top surface of the first connecting portion, a plurality of grooves are further formed in the top surface of the first connecting portion, the clamping hook is arranged on the bottom surface of the second connecting portion, a plurality of ribs are further arranged on the bottom surface of the second connecting portion, and the plurality of ribs are sequentially embedded into the plurality of grooves when the first connecting portion and the second connecting portion are in a suction state.

Optionally, the plurality of grooves are formed around the clamping groove, and the plurality of ribs are formed around the clamping hook.

Optionally, the second draw-in groove with the coating has magnetic medium layer on the kink, magnetic medium layer's material is one or more in neodymium iron boron magnet, samarium cobalt magnet, alnico magnet or the ferrite permanent magnet material, the second draw-in groove with the coating on the kink magnetic medium layer's magnetism is opposite.

Optionally, the first connecting portion and the second connecting portion have a round arc surface on the peripheral side.

Optionally, the recess with the coating has magnetic medium layer on the bead, magnetic medium layer's material is one or more in neodymium iron boron magnet, samarium cobalt magnet, alnico magnet or the ferrite permanent magnet material, and is adjacent coating on the recess magnetic medium layer's magnetism is opposite, the bead with correspond coating on the recess magnetic medium layer's magnetism is opposite.

The inventor of the invention finds that in the prior art, in the process of using the guide wire in a complex blood vessel vein, the operation difficulty of the process of dredging the blood vessel by using a single guide wire is higher, the treatment time is prolonged, the optimal treatment time is easily missed, and the damage of the blood vessel wall is easily caused by the single guide wire in the complex blood vessel vein, so that the secondary damage is caused to a patient. Therefore, the technical task to be achieved or the technical problems to be solved by the present invention are never thought or anticipated by those skilled in the art, and therefore the present invention is a new technical solution.

When the anastomosis guide wire gathered by the invention is used in interventional therapy, the first guide wire and the second guide wire can be quickly and magnetically butted in a blood vessel through the first connecting part and the second connecting part, and meanwhile, the connection strength between the first guide wire and the second guide wire is enhanced through the clamping structure of the first connecting part and the second connecting part, and the treatment speed is accelerated.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Figure 1 is a schematic diagram of an embodiment of the present application illustrating the construction of an anastomosis wire;

figure 2 illustrates a second embodiment of a kiss wire according to the present disclosure;

fig. 3 is a schematic structural diagram of an anastomosis guide wire in an actual application process in the embodiment of the present application.

Reference numerals

1. A first guide wire; 11. a first connection portion; 111. a first card slot; 112. a second card slot; 113. a groove; 12. a first rotating shaft; 2. a second guide wire; 21. a second connecting portion; 211. a hook is clamped; 212. a bending section; 213. a rib; 22. a second rotating shaft.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 3, an embodiment of the present application provides a kiss wire, including afirst guide wire 1 and asecond guide wire 2, an end portion of thefirst guide wire 1 is provided with afirst connection portion 11, an end portion of thesecond guide wire 2 is provided with asecond connection portion 21, thefirst connection portion 11 and/or thesecond connection portion 21 have magnetism and can attract each other, and when thefirst connection portion 11 and thesecond connection portion 21 are in an attraction state, thefirst connection portion 11 and thesecond connection portion 21 are clamped. When the anastomosis guide wire is extended into a complex blood vessel vein for treatment in the embodiment, the condition that two branch blood vessels are converged at a certain position to form a main blood vessel is usually met, and when the guide wire in the prior art is used for dredging the two branch blood vessels, the guide wire is usually adopted to dredge the two branch blood vessels after being bent in the blood vessel. If the included angle between two branch vessels is small, the single guide wire can be dredged only by bending at a large angle in the vessel, so that the consumed time is long, and the vessel is easy to break.

As shown in fig. 3, when the anastomosis wire according to the present embodiment is used to open two branch vessels, thefirst connection portion 11 and thesecond connection portion 21 respectively enter the patient from the two branch vessels because thefirst connection portion 11 and thesecond connection portion 21 have magnetism. By continuously advancing thefirst guide wire 1 and thesecond guide wire 2, the first connectingportion 11 and the second connectingportion 21 are moved in the two branch vessels until the first connectingportion 11 and the second connectingportion 21 approach each other. Thefirst connection portion 11 and thesecond connection portion 21 are attracted to each other by the magnetism of thefirst connection portion 11 and thesecond connection portion 21. Simultaneously first connectingportion 11 and second connectingportion 21 carry out the joint, strengthen the joint strength betweenfirst seal wire 1 and thesecond seal wire 2, through to the kiss seal wire with the blood vessel mediation back, can stimulate any one offirst seal wire 1 or thesecond seal wire 2, will pull out the kiss seal wire patient internal, and it is very simple and convenient to operate, has shortened treatment time simultaneously.

Specifically, thefirst connection portion 11 and thesecond connection portion 21 may be coated with a magnetic medium layer, and the magnetic medium layer may make thefirst connection portion 11 and thesecond connection portion 21 have magnetism. If the magnetic medium layer on the first connectingportion 11 is an N pole and the magnetic medium layer on the second connectingportion 21 is an S pole, when the first connectingportion 11 and the second connectingportion 21 move to the main blood vessel where two branch blood vessels meet, the first connectingportion 11 and the second connectingportion 21 can be attracted and fixed to each other.

Any one of the first connectingportion 11 and the second connectingportion 21 can be selected to be made of a metal material, and the other one is coated with a magnetic medium layer, and if the first connectingportion 11 is made of a metal material, the second connectingportion 21 is coated with a magnetic medium layer, the magnetic connection between the first connectingportion 11 and the second connectingportion 21 can be achieved.

Alternatively, as shown in fig. 1 to 3, thefirst guide wire 1 and the first connectingportion 11 are connected by a first rotatingshaft 12, and thesecond guide wire 2 and the second connectingportion 21 are connected by a second rotatingshaft 22. Because the trend of the blood vessel in the human body is more complex, when the blood vessel like the Chinese character 'ren' is dredged, thefirst connection portion 11 and thesecond connection portion 21 are usually connected at the top intersection of the blood vessel in a shape like a Chinese character 'ren', and in order to ensure the stability of thefirst connection portion 11 and thesecond connection portion 21 when connected in the blood vessel, the first connectingpart 11 can rotate relative to thefirst guide wire 1 through the firstrotating shaft 12, the second connectingpart 21 can rotate relative to thesecond guide wire 2 through the second rotatingshaft 22, whenfirst seal wire 1 andsecond seal wire 2 connect at the top intersection of "people" font blood vessel, can make first connectingportion 11 and second connectingportion 21 buckle and through the overlap joint of magnetism absorption throughfirst pivot 12 andsecond pivot 22, improved the connection area of first connectingportion 11 and second connectingportion 21, further improved the joint strength of first connectingportion 11 and second connectingportion 21.

Alternatively, as shown in fig. 1 to 3, the first rotatingshaft 12 is disposed perpendicular to thefirst guide wire 1, and the second rotatingshaft 22 is disposed perpendicular to thesecond guide wire 2. In order to avoid the damage of the blood vessel wall caused by the bending of thefirst guide wire 1, thesecond guide wire 2, the first connectingpart 11 and the second connectingpart 21, the first rotatingshaft 12 is perpendicular to thefirst guide wire 1, the second rotatingshaft 22 is perpendicular to thesecond guide wire 2, when the first connectingpart 11 and the second connectingpart 21 are connected at the top intersection of the herringbone blood vessel, the first connectingpart 11 and the second connectingpart 21 realize the effect of overlapping magnetic attraction fixation through the first rotatingshaft 12 and the second rotatingshaft 22, the connection strength between thefirst guide wire 1 and thesecond guide wire 2 is further enhanced by matching with the clamping structure on the first connectingpart 11 and the second connectingpart 21, when the anastomosis guide wire is required to be taken out of a patient body, only one of thefirst guide wire 1 or thesecond guide wire 2 needs to be pulled, and the operation is simplified.

Optionally, as shown in fig. 1 to 3, afirst slot 111 is formed on the first connectingportion 11, ahook 211 is disposed on the second connectingportion 21, and when the first connectingportion 11 and the second connectingportion 21 are in an attraction state, thehook 211 is embedded in thefirst slot 111. After the first connectingportion 11 and the second connectingportion 21 are magnetically connected, thehook 211 is embedded into thefirst slot 111, and thehook 211 and thefirst slot 111 cooperate to reinforce the connection strength of the first connectingportion 11 and the second connectingportion 21.

Optionally, as shown in fig. 1 to fig. 3, a secondengaging groove 112 is formed in the firstengaging groove 111 and extends toward thefirst guide wire 1, thehook 211 is bent toward thesecond guide wire 2 to form abent portion 212, and when the first connectingportion 11 and the second connectingportion 21 are in the suction state, thebent portion 212 is embedded in the secondengaging groove 112. After the first connectingportion 11 and the second connectingportion 21 are magnetically connected, thehook 211 is inserted into thefirst slot 111, and the bendingportion 212 is inserted into thesecond slot 112. Thehook 211 is engaged with the firstengaging groove 111, and thebent portion 212 is engaged with the secondengaging groove 112, so that the connection strength between the first connectingportion 11 and the second connectingportion 21 can be further enhanced. To kiss the seal wire at the in-process of interventional therapy, through magnetism inhale messenger first connectingportion 11 and second connectingportion 21 can quick overlap joint, and form pre-fixing, simultaneously throughtrip 211 and the cooperation of first draw-ingroove 111,kink 212 and the cooperation of second draw-ingroove 112, strengthen the joint strength to kiss the seal wire, avoid pulling out the internal in-process of patient to kiss the seal wire, disconnect-type between first connectingportion 11 and the second connectingportion 21, lead tofirst seal wire 1 orsecond seal wire 2 to persist in patient is internal, cause secondary damage.

Optionally, as shown in fig. 1 to 3, thefirst slot 111 is opened on the top surface of the first connectingportion 11, the top surface of the first connectingportion 11 is further opened with a plurality ofgrooves 113, thehook 211 is disposed on the bottom surface of the second connectingportion 21, the bottom surface of the second connectingportion 21 is further provided with a plurality ofribs 213, and when the first connectingportion 11 and the second connectingportion 21 are in the suction state, the plurality ofribs 213 are sequentially embedded into the plurality ofgrooves 113. After the first connectingportion 11 and the second connectingportion 21 are connected through magnetic attraction, the first connectingportion 11 and the second connectingportion 21 are overlapped, thehook 211 is inserted into thefirst slot 111, and the bendingportion 212 is embedded into thesecond slot 112. At this time, thehook 211 and thefirst slot 111 limit the horizontal direction of the first connectingportion 11 and the second connectingportion 21, thesecond slot 112 is opened on the inner wall of thefirst slot 111, and thebent portion 212 is embedded into thesecond slot 112, so that the vertical direction of the first connectingportion 11 and the second connectingportion 21 can be limited. Meanwhile, in order to further avoid when drawing thefirst guide wire 1 or thesecond guide wire 2, the first connectingportion 11 and the second connectingportion 21 are disconnected, which causes thefirst guide wire 1 or thesecond guide wire 2 to remain in the body of the patient and causes secondary damage, so a plurality ofgrooves 113 are formed on the top surface of the first connectingportion 11, and a plurality ofribs 213 are arranged on the bottom surface of the second connectingportion 21, when the first connectingportion 11 and the second connectingportion 21 are connected by magnetic attraction, theribs 213 are embedded into thegrooves 113 in a one-to-one correspondence manner, and the first connectingportion 11 and the second connectingportion 21 are further limited in the horizontal direction. Can guarantee through the cooperation ofbead 213 andrecess 113,trip 211 and the cooperation of first draw-ingroove 111 that the condition that can not appear droing takes place on the horizontal direction, will be safer to the process of kiss wire taking out from patient's body through drawingfirst seal wire 1 orsecond seal wire 2.

Optionally, as shown in fig. 1 to 3, a plurality of thegrooves 113 are formed around the circumference of the locking groove, and a plurality of theribs 213 are formed around the circumference of thelocking hook 211. Specifically, fourgrooves 113 can be formed, fourribs 213 can be formed, thegrooves 113 are rectangular and are arranged around the clamping groove, and theribs 213 are also rectangular and are arranged around theclamping hook 211 corresponding to thegrooves 113. First connectingportion 11 and second connectingportion 21 are connected the back through magnetism, and inrib 213 embeddingrecess 113, becauserib 213 andrecess 113 all were the rectangle setting, so can play better limiting displacement to first connectingportion 11 and second connectingportion 21 in the horizontal direction, avoid first connectingportion 11 and second connectingportion 21 at the internal disconnection of patient, increased the joint strength of first connectingportion 11 and second connectingportion 21.

Optionally, as shown in fig. 1 to 3, a magnetic medium layer is coated on thesecond slot 112 and the bendingportion 212, the magnetic medium layer is made of one or more of a neodymium iron boron magnet, a samarium cobalt magnet, an alnico magnet, or a ferrite permanent magnet material, and the magnetism of the magnetic medium layer coated on thesecond slot 112 and the bendingportion 212 is opposite. In this embodiment, the magnetic medium layers coated on thesecond card slot 112 and thebent portion 212 are not limited to the neodymium-iron-boron magnet, the samarium-cobalt magnet, the alnico magnet, or the ferrite permanent magnet, and can be materials coated with opposite magnetic poles on thesecond card slot 112 and thebent portion 212 to achieve attraction between thesecond card slot 112 and thebent portion 212.

Alternatively, as shown in fig. 1 to 3, the peripheral sides of the first connectingportion 11 and the second connectingportion 21 are both rounded arc surfaces. The circumferential sides of the first connectingpart 11 and the second connectingpart 21 are set to be smooth cambered surfaces, so that the rupture of the blood vessel wall can be effectively avoided when thefirst guide wire 1 and thesecond guide wire 2 extend into the blood vessel. Meanwhile, the rupture of the vessel wall caused when thefirst guide wire 1 and thesecond guide wire 2 are pulled out of the body of a patient can be avoided. The circumferential sides of the first connectingpart 11 and the second connectingpart 21 are set to be smooth cambered surfaces, so that secondary damage to the vascular wall can be effectively avoided.

Optionally, as shown in fig. 1 to fig. 3, thegroove 113 and therib 213 are coated with a magnetic medium layer, the magnetic medium layer is made of one or more of neodymium-iron-boron magnet, samarium-cobalt magnet, alnico magnet, or ferrite permanent magnet material, the magnetic medium layers coated on theadjacent grooves 113 are opposite in magnetism, and theribs 213 are opposite in magnetism to the magnetic medium layers coated on thecorresponding grooves 113. In this embodiment, the magnetic medium layers coated on theribs 213 and in thegrooves 113 are not limited to neodymium-iron-boron magnet, samarium-cobalt magnet, alnico magnet, or ferrite permanent magnet material, and can be materials coated with opposite magnetic poles on theribs 213 and in thegrooves 113, so as to achieve the attraction effect between theribs 213 and thegrooves 113. Wherein, through coating the dielectric layer of opposite magnetism onrib 213 andrecess 113, after first connectingportion 11 and second connectingportion 21 are connected,rib 213 andrecess 113 attract each other, further strengthen the joint strength of first connectingportion 11 and second connectingportion 21 in the vertical direction to guarantee in the in-process of interventional therapy, the stability afterfirst seal wire 1 andsecond seal wire 2 are connected through first connectingportion 11 and second connectingportion 21.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. The utility model provides a kiss seal wire, its characterized in that includes first seal wire and second seal wire, the tip of first seal wire is provided with first connecting portion, the tip of second seal wire is provided with the second connecting portion, first connecting portion and/or the second connecting portion have magnetism and can attract each other, first connecting portion with when the second connecting portion is in the attraction state, first connecting portion with second connecting portion joint.

2. The kissing wire according to claim 1, wherein said first wire and said first connector are connected by a first pivot, and said second wire and said second connector are connected by a second pivot.

3. The kiss wire of claim 2, wherein said first rotational axis is disposed perpendicular to said first wire and said second rotational axis is disposed perpendicular to said second wire.

4. The anastomosis guide wire according to claim 1, wherein the first connecting portion has a first slot, the second connecting portion has a hook, and the hook is inserted into the first slot when the first and second connecting portions are in an attracting state.

5. The kiss wire according to claim 4, wherein a second slot is formed in the first slot extending in the direction of the first wire, the hook is bent in the direction of the second wire to form a bent portion, and the bent portion is embedded in the second slot when the first connecting portion and the second connecting portion are in a suction state.

6. The kiss wire according to claim 5, wherein the first slot is formed on a top surface of the first connecting portion, the top surface of the first connecting portion is further formed with a plurality of grooves, the hook is disposed on a bottom surface of the second connecting portion, the bottom surface of the second connecting portion is further formed with a plurality of ribs, and when the first connecting portion and the second connecting portion are in a suction state, the plurality of ribs are sequentially embedded into the plurality of grooves.

7. The kiss wire according to claim 6, wherein a plurality of said grooves are formed around the circumference of said notch, and a plurality of said ridges are formed around the circumference of said hook.

8. The kiss wire according to claim 5, wherein a magnetic medium layer is coated on the second clamping groove and the bending portion, the magnetic medium layer is made of one or more of neodymium iron boron magnet, samarium cobalt magnet, alnico magnet or ferrite permanent magnet material, and the magnetism of the magnetic medium layer coated on the second clamping groove and the bending portion is opposite.

9. The kissing guidewire of claim 1, wherein the first and second junctions are rounded on a circumferential side.

10. The kiss wire according to claim 7, wherein said grooves and said ribs are coated with a magnetic dielectric layer, said magnetic dielectric layer is made of one or more of neodymium iron boron magnet, samarium cobalt magnet, alnico magnet, or ferrite permanent magnet material, adjacent ones of said grooves are coated with said magnetic dielectric layer having opposite magnetic properties, and said ribs are coated with said magnetic dielectric layer corresponding to said grooves.

Images