CN216169326U

CN216169326U - Auxiliary connecting device for guide wire

Info

Publication number: CN216169326U
Application number: CN202122573378.9U
Authority: CN
Inventors: 宋现涛; 邢浩然
Original assignee: Beijing Anzhen Hospital
Current assignee: Beijing Anzhen Hospital
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-05
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a guide wire auxiliary connecting device, which relates to the field of manufacturing of vascular interventional therapy instruments and comprises a first component and a second component; first component part is equipped with first half passageway and first connecting portion towards one side of second component part, and second component part orientation one side of first component part is equipped with half passageway of second and second connecting portion, and first connecting portion can be dismantled with the second connecting portion and be connected to make half passageway of first and second can splice and form the seal wire passageway. The guide wire channel can be matched with a catheter of a therapeutic apparatus, assists the guide wire in blood vessel therapy to be connected with the catheter of the therapeutic apparatus, and can be detached after connection is completed. The requirement on the operation precision in the instrument connection operation process is reduced, the connection time of the guide wire and the instrument is shortened, and the treatment process is accelerated.

Description

Auxiliary connecting device for guide wire

Technical Field

The disclosure relates to the field of manufacturing of vascular interventional therapy instruments, in particular to a guide wire auxiliary connecting device.

Background

During the interventional therapy of blood vessels, the therapeutic apparatus is delivered to the affected part via the guide wire to establish the track. Currently, this operation is mainly performed manually by the treating physician. In view of the fact that the diameter of the guide wire is generally small (less than 0.5 mm), the inner diameter of the delivery catheter is also small, the requirement on operation precision during the connection process is high, and the operation efficiency of the interventional therapy process is affected.

The existing guide wire connection auxiliary device is of an integral structure and cannot be detached after the guide wire is connected with a catheter of a therapeutic apparatus, and some guide wire auxiliary connection devices are disposable articles and need to be detached in a mode of damaging the whole device after the connection process is finished, so that the operation is not convenient and resources are wasted.

SUMMERY OF THE UTILITY MODEL

To solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a guide wire auxiliary connection device.

The present disclosure provides a guide wire auxiliary connection device comprising a first component and a second component; first component part is equipped with first half passageway and first connecting portion towards one side of second component part, and second component part orientation one side of first component part is equipped with half passageway of second and second connecting portion, and first connecting portion can be dismantled with the second connecting portion and be connected to make half passageway of first and second can splice and form the seal wire passageway.

Preferably, the first connecting portion is a jack, and the second connecting portion is an inserted link in interference fit with the jack.

Preferably, the first connecting portion is a protrusion with a T-shaped cross section, the second connecting portion is a groove with a T-shaped cross section, and the first connecting portion and the second connecting portion are matched in an inserting mode.

Preferably, the second connecting part penetrates through the end faces of the two opposite ends of the second component part, and the first connecting part is in sliding fit with the second connecting part.

Preferably, the first connection portion and/or the second connection portion have elasticity.

Preferably, the first component and the second component are provided with anti-slip layers on the joint surfaces.

Preferably, one side of the first component is hinged with one side of the second component, and the other side of the first component is in snap connection with the other side of the second component.

Preferably, in the direction of inserting the guide wire, the guide wire channel comprises a first channel section and a second channel section which are arranged in sequence; in the direction of guide wire insertion, the cross-sectional diameter of the first channel section is gradually reduced, and the second channel section is a straight hole-shaped structure.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a connecting device is assisted to seal wire, first component and the amalgamation of second component through dismantling the connection form the seal wire passageway, this seal wire passageway can with treatment instrument's pipe cooperation, seal wire in the supplementary vascular treatment is connected with treatment instrument's pipe, reduce operating time for treatment efficiency, in addition, it is first after the pipe connection completion of seal wire and treatment instrument, can unpack first component and second component apart, thereby demolish above-mentioned appurtenance.

Drawings

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

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a left side view of a guidewire assist attachment device provided in accordance with an embodiment of the present disclosure;

FIG. 2 is a schematic view of a first component of an embodiment of the present disclosure;

FIG. 3 is a schematic view of a second component of an embodiment of the present disclosure;

fig. 4 is a cross-sectional view of a guidewire assist attachment device according to the present disclosure.

Wherein, 1, a first component; 2. a second component; 3. a guidewire channel; 301. a first channel segment; 302. a second channel segment; 4. a groove; 5. and (4) protruding.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

During the interventional treatment of blood vessels, a therapeutic device is required to be conveyed to a lesion site through a track established by a guide wire. Because the guide wire is extremely fine and the diameter of the pipe orifice of the connecting end of the therapeutic apparatus and the guide wire is extremely small, the situation that the guide wire is difficult to connect with the therapeutic apparatus can occur in the treatment process, particularly in emergency situations, and precious treatment time is wasted.

In order to solve the above problem, the present disclosure provides a guide wire auxiliary connection device.

As shown in fig. 1 to 4, the guide wire auxiliary connection device provided by some embodiments of the present disclosure includes a first component 1 and a second component 2; first component 1 is equipped with first half passageway and first connecting portion towards one side of second component 2, and second component 2 is equipped with second half passageway and second connecting portion towards one side of first component 1, and first connecting portion can be dismantled with the second connecting portion and be connected to make first half passageway and second half passageway can splice and form seal wire channel 3.

The guide wire auxiliary connecting device is simple in structure, the first component 1 and the second component 2 are in a closed state in the connecting process, a complete guide wire channel 3 is formed in the device, one end, extending into the guide wire channel 3, of a catheter of a therapeutic apparatus is matched with the inner wall of the guide wire channel 3, and the other end of the guide wire channel 3 is of an open structure, so that a guide wire can be conveniently placed in the guide wire; the guide wire is connected with the catheter of the therapeutic apparatus in the middle of the guide wire channel 3, and the first component part 1 and the second component part 2 are disassembled after the connection is finished, so that the auxiliary connecting device can be detached.

By applying the guide wire auxiliary connecting device, the requirement on operation precision in the process of connecting instruments can be reduced, the time for connecting the guide wire and the instruments is shortened, the connection efficiency of fine instruments is improved, the guide wire auxiliary connecting device can be detached after connection is completed, and the influence on the flexibility of the guide wire is avoided.

In some embodiments, the first connecting portion is a socket, and the second connecting portion is a plunger in interference fit with the socket; preferably, when the connection mode is adopted, the number of the matched connection positions of the jacks and the inserted rods is not less than two; the connection mode has small change on the junction surface of the first component part 1 and the second component part 2, has small influence on the guide wire channel 3, and can reduce the volume of the device as a whole.

In some embodiments, the first connecting portion is a protrusion 5 with a T-shaped cross section, the second connecting portion is a groove 4 with a T-shaped cross section, the first connecting portion and the second connecting portion are matched in an inserting manner, the structure can limit the width direction (X direction in the figure) of the device and the thickness direction (Z direction in the figure) of the device between the first connecting portion and the second connecting portion, the first component part 1 and the second component part 2 are prevented from being separated from each other in the use process, and in addition, the structure is convenient to install and process.

As shown in fig. 2 and 3, in some embodiments, the second connecting portion penetrates through end surfaces of two opposite ends of the second component 2, so that an end portion of the first connecting portion can slide into the second connecting portion from the end surface of the second component 2, thereby achieving sliding fit of the first connecting portion and the second connecting portion; wherein the first connecting part provides a guiding function for the second connecting part on the one hand and provides a mounting structure for the second connecting part on the other hand.

In some embodiments, the first connection portion and/or the second connection portion have elasticity; carry out elastic connection between first connecting portion and the second connecting portion, through the elastic deformation of first connecting portion and/or second connecting portion, press in the protruding 5 of first connecting portion in the recess 4 of second connecting portion and form the cooperation, can choose for use non-metallic material processing the device when adopting this mode of connection, can alleviate device weight.

In some embodiments, the joint surfaces of the first component 1 and the second component 2 are both provided with anti-slip layers, so as to facilitate the detachment of the auxiliary connection device after the guide wire is connected with the catheter of the therapeutic apparatus, no positioning structure is arranged in the length direction (Y direction in the drawing) of the device, and in order to avoid the dislocation of the guide wire channel 3 caused by the slippage between the first component 1 and the second component 2 during the operation process, the anti-slip layers are arranged on the joint surfaces of the first component 1 and the second component 2, so that the friction force between the first component 1 and the second component 2 can be increased, and the dislocation of the first component 1 and the second component 2 during the connection process can be prevented.

In some embodiments, one side of the first component 1 is hinged to one side of the second component 2, and the other side of the first component 1 is snap-connected to the other side of the second component 2; the buckle comprises a bayonet and a clamping jaw which are matched with each other, and the bayonet and the clamping jaw are respectively and fixedly connected to the first component part 1 and the second component part 2; the connecting mode can avoid friction on the connected guide wire and the connected catheter when the guide wire auxiliary connecting device is detached.

In some embodiments, in the direction of guidewire insertion, the guidewire channel 3 comprises a first channel segment 301 and a second channel segment 302 arranged in sequence; in the direction of guide wire insertion, the cross-sectional diameter of the first channel section 301 is gradually reduced, and the second channel section 302 is a straight hole-shaped structure; the surface of the first channel section 301 is smooth, the inner surface of the second channel section 302 is matched with the conduit of the therapeutic apparatus, and in some embodiments, the second channel section 302 can be designed into a multi-step structure according to the shape of the conduit of the therapeutic apparatus; the first channel section 301 is connected in a pair with the second channel section 302.

The solution involved in the above embodiment is described below with reference to an overall usage process:

the first component part 1 and the second component part 2 are firstly closed, then the catheter of the balloon is fixed in the cylindrical structure of the second channel section 302, the guide wire is extended from the open end of the first channel section 301 to the second channel section 302, after the connection is completed, the balloon is withdrawn against the direction of the reduction of the section diameter of the first channel section 301, and finally the first component part 1 and the second component part 2 are disassembled, thereby removing the guide wire auxiliary connecting device.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The guide wire auxiliary connecting device is characterized by comprising a first component (1) and a second component (2); first component part (1) orientation one side of second component part (2) is equipped with first half passageway and first connecting portion, second component part (2) orientation one side of first component part (1) is equipped with half passageway of second and second connecting portion, first connecting portion with the connection can be dismantled to the second connecting portion, so that first half passageway with half passageway of second can splice and form seal wire passageway (3).

2. The guide wire auxiliary connection device according to claim 1, wherein the first connection portion is a jack, and the second connection portion is a plunger which is in interference fit with the jack.

3. The guide wire auxiliary connecting device according to claim 1, wherein the first connecting part is a protrusion (5) with a T-shaped cross section, the second connecting part is a groove (4) with a T-shaped cross section, and the first connecting part and the second connecting part are in plug fit.

4. A guide wire auxiliary connection device according to claim 3, characterized in that the second connection part penetrates through the end faces of the two opposite ends of the second component part (2), and the first connection part is in sliding fit with the second connection part.

5. A guidewire assist connection device according to claim 3, wherein the first connection portion and/or the second connection portion is resilient.

6. A guide wire auxiliary connection device according to any one of claims 3 to 5, characterized in that the joint surfaces of the first component part (1) and the second component part (2) are provided with anti-slip layers.

7. Guide wire auxiliary connection device according to claim 1, characterized in that one side of the first component (1) is hinged with one side of the second component (2), and the other side of the first component (1) is snap-connected with the other side of the second component (2).

8. Guide wire auxiliary connection device according to claim 1, characterized in that the guide wire channel (3) comprises, in the direction of guide wire insertion, a first channel section (301) and a second channel section (302) arranged in succession; in the direction of guide wire insertion, the cross-sectional diameter of the first channel section (301) gradually decreases, and the second channel section (302) is a straight hole-shaped structure.