CN116370801A - Guide wire extending structure and method for minimally invasive surgery - Google Patents

Abstract

The invention discloses a guide wire extension structure and a guide wire extension method for minimally invasive surgery, wherein the extension structure comprises a first guide wire, and a first end of the first guide wire extends into a blood vessel; the device also comprises a second guide wire, wherein the third end of the second guide wire is connected with the second end of the first guide wire; the connecting structure is also included, and the third end of the second guide wire is detachably connected with the second end of the first guide wire through the connecting structure; according to the guide wire extending structure and the guide wire extending method for the minimally invasive surgery, the first end of the first guide wire is inserted into a blood vessel; when the length of the first guide wire is insufficient, the third end of the second guide wire and the second end of the first guide wire are fixedly clamped through the first connecting part and the second connecting part, so that the first guide wire and the second guide wire are connected to form a new guide wire, and the extending function of the guide wire is realized.

Description

Guide wire extension structure and method for minimally invasive surgery

technical field

The invention relates to the technical field of medical equipment, in particular to a guide wire extension structure and method for minimally invasive surgery.

Background technique

In various minimally invasive interventional procedures, a 150 cm to 180 cm contrast guide wire is usually used to selectively enter the vascular branch. During the delivery of balloons and stents, the guide wire needs to be replaced due to the insufficient length of the guide wire. It is a longer guide wire of about 280 cm; and in this replacement process, it is necessary to send the catheter to the target position first, withdraw the original working guide wire, and then feed the 280 cm guide wire. The operation is very cumbersome and at the same time Increased certain risks for the operation.

Contents of the invention

In order to overcome the above-mentioned shortcomings, the object of the present invention is to provide a guide wire extension structure and method for minimally invasive surgery, by providing connection structures for the ends of the two guide wires respectively, so that the two guide wires can be firmly clamped to achieve On the premise of not replacing the guide wire that has entered the blood vessel, the function of extending the guide wire can effectively solve the technical problems of cumbersome operation and increased surgical risk caused by the need to replace the guide wire due to the insufficient length of the guide wire in the traditional method.

In order to achieve the above purpose, the technical solution adopted by the present invention is: a guide wire extension structure for minimally invasive surgery, including

a first guide wire, the first end of which extends into the blood vessel;

a second guide wire, the third end of the second guide wire is connected to the second end of the first guide wire;

A connection structure, the third end of the second guide wire is detachably connected to the second end of the first guide wire through the connection structure.

Further, the connection structure includes:

a first connecting part, the first connecting part is arranged at the second end of the first guide wire;

a second connecting part, the second connecting part is arranged at the third end of the second guide wire;

The first connecting portion cooperates with the second connecting portion to form a clamping connection.

Further, the first connection part includes a first plug-in block, the second connection part includes a first plug-in slot, a groove is opened on the first plug-in block, and the first plug-in slot Lugs are arranged on the groove wall;

When the first guide wire and the second guide wire are connected, the first insertion block is inserted into the first insertion groove, and the protrusion is clamped inside the groove.

Further, the first connecting part includes a second plugging block, the second connecting part includes a second plugging slot, the head of the second plugging block is provided with a first ball-type locking block, the An arc-shaped protrusion is arranged on the groove wall of the second insertion groove;

When the first guide wire and the second guide wire are connected, the second plug-in block is inserted into the second slot, and the first ball-shaped block is fixed on the arc-shaped protrusion. in the area between the riser and the bottom of the tank.

Further, the first connection part includes a third plug-in block, the second connection part includes a third plug-in slot, and the side of the third plug-in block has several tooth-shaped protrusions evenly distributed;

When the first guide wire and the second guide wire are connected, the third insertion block is inserted into the third insertion slot, and the tooth-shaped protrusions abut against the inner side of the third insertion slot tank wall.

Further, the first connection part includes a fourth socket block, the second connection part includes a fourth socket slot, and the head of the fourth socket block is provided with a second ball-type locking block, the The area near the bottom of the fourth insertion slot is a spherical slot;

When the first guide wire and the second guide wire are connected, the fourth plug-in block is inserted into the four plug-in slots, and the second spherical clamping block is locked in the spherical slot.

Further, the first connection part includes a first locking block, the first locking block is L-shaped, and forms a first locking slot with the second end of the first guide wire; the second connection The part includes a second clamping block, the second clamping block is L-shaped, and forms a second clamping groove with the third end of the second guide wire;

When the first guide wire and the second guide wire are connected, the protruding part of the first clamping block is clamped in the first clamping groove, and the protruding part of the second clamping block is clamped in the second card slot.

Further, there are several second guide wires, and the fourth end of the second guide wire is provided with a third connection part, and the structure of the third connection part is the same as that of the first connection part.

The present invention also discloses a guide wire extension method for minimally invasive surgery. The guide wire extension method adopts the above-mentioned guide wire extension structure for minimally invasive surgery, and the specific steps are as follows:

In minimally invasive surgery, the first guide wire is used first, and the first end of the first guide wire is inserted into the inside of the blood vessel;

When the length of the first guide wire is not enough, the third end of the second guide wire and the second end of the first guide wire are fixedly clamped through the first connection part and the second connection part, so that the first guide wire and the second guide wire The two guidewires are connected to form a new guidewire.

The beneficial effect of the present invention is: a guide wire extension structure and method for minimally invasive surgery designed in this scheme, the detachable connection between the first guide wire and the second guide wire is realized through the connection structure, and in specific use, First insert the first end of the first guide wire into the blood vessel, and when the length of the first guide wire is not enough, pass the third end of the second guide wire and the second end of the first guide wire through the first connecting part and the second The connecting part is fixedly clamped, so that the first guide wire and the second guide wire are connected to form a new guide wire, so as to realize the extension function of the guide wire, so that the two guide wires can be firmly clamped, so that it can be inserted into the blood vessel without replacement. Under the premise of the guide wire, the function of extending the guide wire can effectively solve the technical problems of cumbersome operation and increased surgical risk caused by the need to replace the guide wire due to the insufficient length of the guide wire in the traditional method.

Description of drawings

FIG. 1 is a schematic diagram of a connection structure according to Embodiment 1 of the present invention.

Fig. 2 is a schematic diagram of the connection structure of Embodiment 2 of the present invention.

Fig. 3 is a schematic diagram of the connection structure of Embodiment 3 of the present invention.

Fig. 4 is a schematic diagram of the connection structure of Embodiment 4 of the present invention.

Fig. 5 is a schematic diagram of the connection structure of Embodiment 5 of the present invention.

In the picture:

1. The first guide wire; 2. The second guide wire;

1.1, the first end; 1.2, the second end;

2.1, the third end; 2.2, the fourth end;

100, the first socket block; 101, the first socket slot; 102, the groove; 103, the bump;

200, the second socket block; 201, the second socket slot; 202, the first spherical block; 203, the arc-shaped protrusion;

300, the third plug-in block; 301, the third plug-in groove; 302, the tooth-shaped protrusion;

400, the fourth plug-in block; 401, the fourth plug-in slot; 402, the second spherical block; 403, the spherical groove; 500, the first snap-in block; 501, the second snap-in block; 502, the first card slot; 503 , the second card slot.

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

Embodiment one:

As shown in Figure 1, a guide wire extension structure for minimally invasive surgery, including:

The first guide wire 1, the first end 1.1 of the first guide wire 1 extends into the inside of the blood vessel;

A second guide wire 2, the third end 2.1 of the second guide wire 2 is connected to the second end 1.2 of the first guide wire 1;

A connection structure, the third end 2.1 of the second guide wire 2 is detachably connected to the second end 1.2 of the first guide wire 1 through the connection structure;

The connection structure includes:

a first connecting part, the first connecting part is arranged at the second end 1.2 of the first guide wire 1;

a second connecting part, the second connecting part is arranged at the third end 2.1 of the second guide wire 2;

The first connecting part cooperates with the second connecting part to form a clamping connection;

The first connecting part includes a first plugging block 100, the second connecting part includes a first plugging slot 101, a groove 102 is opened on the first plugging block 100, and the first plugging slot A bump 103 is provided on the groove wall of 101;

When the first guide wire 1 and the second guide wire 2 are connected, the first insertion block 100 is inserted into the first insertion slot 101 , and the protrusion 103 is locked in the groove 102 internal.

Embodiment two:

As shown in Figure 2, the differences between the second embodiment and the first embodiment above are:

The first connection part includes a second socket block 200, the second connection part includes a second socket slot 201, and the head of the second socket block 200 is provided with a first ball-shaped block 202, so The groove wall of the second insertion groove 201 is provided with an arc-shaped protrusion 203;

When the first guide wire 1 and the second guide wire 2 are connected, the second plug-in block 200 is inserted into the second slot 201, and the first ball-shaped block 202 is clamped in the In the area between the arc-shaped protrusion 203 and the bottom of the groove.

Embodiment three:

As shown in Figure 3, the difference between Embodiment 3 and the above-mentioned Embodiments 1 and 2 is that:

The first connecting part includes a third plugging block 300, the second connecting part includes a third plugging groove 301, and the side of the third plugging block 300 is evenly distributed with several tooth-shaped protrusions 302;

When the first guide wire 1 and the second guide wire 2 are connected, the third insertion block 300 is inserted into the third insertion groove 301, and the tooth-shaped protrusion 302 abuts against the third The inner groove wall of the insertion groove 301 .

Embodiment four:

As shown in Figure 4, the difference between Embodiment 4 and the foregoing Embodiments 1, 2, and 3 is that:

The first connection part includes a fourth socket block 400, the second connection part includes a fourth socket slot 401, and the head of the fourth socket block 400 is provided with a second ball-shaped block 402, so The area near the bottom of the fourth insertion groove 401 is a spherical groove 403;

When the first guide wire 1 and the second guide wire 2 are connected, the fourth plug-in block 400 is inserted into the four-socket slot, and the second ball-shaped block 402 is clamped on the spherical Inside the groove 403.

Embodiment five:

As shown in Figure 5, the difference between Embodiment 4 and the foregoing Embodiments 1, 2, 3, and 4 is that:

The first connection part includes a first clamping block 500, which is L-shaped, and forms a first clamping groove 502 with the second end 1.2 of the first guide wire 1; The second connection part includes a second clamping block 501, the second clamping block 501 is L-shaped, and forms a second clamping groove 503 with the third end 2.1 of the second guide wire 2;

When the first guide wire 1 and the second guide wire 2 are connected, the protruding part of the first clamping block 500 is clamped in the first clamping groove 502, and the protruding part of the second clamping block 501 The protruding part is locked in the second locking groove 503 .

In any one of the above-mentioned embodiments 1 to 4, preferably, several second guide wires 2 are provided, and the fourth end 2.2 of the second guide wire 2 is provided with a third connection portion, the The structure of the third connection part is the same as that of the first connection part.

The second guide wire 2 can be provided with multiple pieces, which can be clamped between two to make the length of the guide wire longer, because the structure of the third connecting part is the same as that of the first connecting part, and the two adjacent guide wires The third end 2.1 and the fourth end 2.2 can be clamped.

Embodiment six:

A guide wire extension method for minimally invasive surgery, the guide wire extension method adopts any one of the guide wire extension structures used in embodiment 1 to embodiment 5 for minimally invasive surgery, and the specific steps are as follows:

In minimally invasive surgery, the first guide wire 1 is first used, and the first end 1.1 of the first guide wire 1 is inserted into the inside of the blood vessel;

When the length of the first guide wire 1 is not enough, the third end 2.1 of the second guide wire 2 and the second end 1.2 of the first guide wire 1 are fixedly clamped through the first connecting part and the second connecting part, so that the second A guide wire 1 is connected with a second guide wire 2 to form a new guide wire.

The above embodiments are only to illustrate the technical concept and characteristics of the present invention. All equivalent changes or modifications shall fall within the protection scope of the present invention.

Claims (9)

1. A guide wire extension structure for minimally invasive surgery, characterized in that: comprising a first guide wire, the first end of which extends into the blood vessel; a second guide wire, the third end of the second guide wire is connected to the second end of the first guide wire; A connection structure, the third end of the second guide wire is detachably connected to the second end of the first guide wire through the connection structure. 2. The guide wire extension structure for minimally invasive surgery according to claim 1, characterized in that: the connecting structure comprises: a first connecting part, the first connecting part is arranged at the second end of the first guide wire; a second connecting part, the second connecting part is arranged at the third end of the second guide wire; The first connecting portion cooperates with the second connecting portion to form a clamping connection. 3. The guide wire extension structure for minimally invasive surgery according to claim 2, characterized in that: the first connecting part comprises a first plug-in block, the second connecting part comprises a first plug-in slot, A groove is opened on the first plug-in block, and a bump is provided on the groove wall of the first plug-in slot; When the first guide wire and the second guide wire are connected, the first insertion block is inserted into the first insertion groove, and the protrusion is clamped inside the groove. 4. The guide wire extension structure for minimally invasive surgery according to claim 2, characterized in that: the first connecting part includes a second plugging block, and the second connecting part includes a second plugging groove, The head of the second plug-in block is provided with a first spherical block, and the groove wall of the second plug-in slot is provided with an arc-shaped protrusion; When the first guide wire and the second guide wire are connected, the second plug-in block is inserted into the second slot, and the first ball-shaped block is fixed on the arc-shaped protrusion. in the area between the riser and the bottom of the tank. 5. The guidewire extension structure for minimally invasive surgery according to claim 2, characterized in that: the first connecting part includes a third plugging block, the second connecting part includes a third plugging slot, Several tooth-shaped protrusions are evenly distributed on the side of the third plug-in block; When the first guide wire and the second guide wire are connected, the third insertion block is inserted into the third insertion slot, and the tooth-shaped protrusions abut against the inner side of the third insertion slot tank wall. 6. The guidewire extension structure for minimally invasive surgery according to claim 2, characterized in that: the first connecting part includes a fourth plugging block, the second connecting part includes a fourth plugging slot, The head of the fourth plug-in block is provided with a second spherical block, and the area near the bottom of the fourth plug-in slot is a spherical slot; When the first guide wire and the second guide wire are connected, the fourth plug-in block is inserted into the four plug-in slots, and the second spherical clamping block is locked in the spherical slot. 7. The guide wire extension structure for minimally invasive surgery according to claim 2, characterized in that: the first connecting part comprises a first locking block, the first locking block is L-shaped, and The second end of the first guide wire forms a first locking groove; the second connecting part includes a second locking block, and the second locking block is L-shaped, which is compatible with the second locking block of the second guide wire. The three ends form a second card slot; When the first guide wire and the second guide wire are connected, the protruding part of the first clamping block is clamped in the first clamping groove, and the protruding part of the second clamping block is clamped in the second card slot. 8. The guide wire extension structure for minimally invasive surgery according to any one of claims 1-7, characterized in that: there are several second guide wires, and the first guide wire of the second guide wire The four ends are provided with a third connecting portion, and the structure of the third connecting portion is the same as that of the first connecting portion. 9. A guide wire extension method for minimally invasive surgery, characterized in that: said guide wire extension method adopts the guide wire extension method for minimally invasive surgery described in any one of claims 1-8 structure, the specific steps are as follows: In minimally invasive surgery, the first guide wire is used first, and the first end of the first guide wire is inserted into the inside of the blood vessel; When the length of the first guide wire is not enough, the third end of the second guide wire and the second end of the first guide wire are fixedly clamped through the first connection part and the second connection part, so that the first guide wire and the second guide wire The two guidewires are connected to form a new guidewire.

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