CN215135676U - Multipurpose double-cavity micro catheter - Google Patents

Abstract

The utility model discloses a two-chamber pipe a little of multipurpose, including female pipe a little and son pipe a little, the mouth of pipe of female pipe a little is provided with first external screw thread, be close to its mouth of pipe position fixedly connected with connection shell on the pipe a little, it is provided with first internal thread to match the external screw thread on the inner wall of connection shell, the pipe a little cup joints inside female pipe a little, and the mouth of pipe of female pipe a little is located connection shell, threaded connection between first internal thread and the first external screw thread, female pipe a little matches be provided with syringe and two-way pipe, be provided with the valve on the two-way pipe, with the syringe, threaded connection can carry out between two-way pipe and the female pipe a little. The utility model discloses can act as the little pipe of two-chamber in intervening the operation, still can use as the little pipe of single chamber or thrombus suction catheter and use, really realized that a thing is multi-purpose, can reduce medical institution's logistics cost and patient's medical cost from the health economics perspective.

Description

Multipurpose double-cavity micro catheter

Technical Field

The utility model relates to a medical treatment pipe technical field that declines, specific two-chamber pipe that declines of multipurpose that says so.

Background

At present, a single-cavity micro catheter, a double-cavity micro catheter and a thrombus aspiration catheter are three special interventional instruments commonly used in clinic, the clinical application of each interventional instrument is single, the application scenes are not completely the same, and the interventional instruments cannot be used universally. For complex interventional cases, it is often necessary to use these three separate dedicated instruments simultaneously, thereby increasing the medical costs.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a little pipe of two-chamber that can reduce medical institution's logistics cost and patient's medical cost.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a multipurpose double-cavity micro catheter comprises a mother micro catheter and a son micro catheter, wherein a first external thread is arranged at a pipe orifice of the mother micro catheter, a connecting shell is fixedly connected to the son micro catheter close to the pipe orifice of the son micro catheter, a first internal thread is arranged on the inner wall of the connecting shell in a matching mode with the external thread, the son micro catheter is sleeved inside the mother micro catheter, the pipe orifice of the mother micro catheter is located inside the connecting shell, and the first internal thread is in threaded connection with the first external thread;

female little pipe matches is provided with syringe and two-way pipe, be provided with the valve on the two-way pipe, be provided with the second internal thread on the suction pipe inner wall of syringe, match on the outer wall of two-way pipe one end the second internal thread is provided with the second external screw thread, match on the inner wall of two-way pipe other end first external screw thread is provided with the third internal thread.

The head end of the main pipe body of the mother micro-catheter is provided with a side hole which is communicated with the inner cavity of the mother micro-catheter.

The mother micro-catheter is provided with a cell filter in a matching way.

The main pipe body external diameter of the mother microcatheter adopts 2.6Fr, the main pipe body external diameter of the son microcatheter adopts 1.8Fr, and the son microcatheter can allow a 0.014 inch guide wire to pass through the inner cavity.

The syringe was used in a volume of 30 ml.

The utility model has the advantages that: the utility model discloses when interveneeing the operation, can use son little pipe as single chamber pipe, also can insert inside the mother pipe with son pipe to with mother pipe and son pipe threaded connection a little, thereby use as the two-chamber pipe a little, also can be with female pipe a little, two-way pipe, mutual threaded connection between the syringe, make and to carry out manual thrombus suction through the syringe, consequently the utility model discloses can act as two-chamber pipe a little in intervening the operation, still can use as single chamber pipe a little or thrombus suction catheter and use, really realized a thing multi-purpose ("trinity"), can reduce medical unit's logistics cost and patient's medical cost from the health economics angle.

Drawings

FIG. 1 is a schematic view of a structure of a middle-sized and a mother-sized micro-catheter according to the present invention;

FIG. 2 is a schematic view of the neutron micro-catheter of the present invention;

FIG. 3 is a schematic view of a middle-double lumen microcatheter of the present invention;

FIG. 4 is a schematic view of the structure of the injector of the present invention;

FIG. 5 is a schematic view of the structure of the middle two-way pipe of the present invention;

fig. 6 is a schematic view of the connection structure of the injector, the two-way pipe and the mother micro-catheter of the present invention.

In the figure: the device comprises a mother micro catheter 1, a son micro catheter 2, a first external thread 3, a connecting shell 4, a first internal thread 5, a syringe 6, a two-way pipe 7, a valve 8, a second internal thread 9, a second external thread 10, a third internal thread 11 and a side hole 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a multi-purpose double-lumen micro catheter comprises a mother micro catheter 1 and a son micro catheter 2, wherein a first external thread 3 is arranged at the orifice of the mother micro catheter 1, a connecting shell 4 is fixedly connected to the son micro catheter 2 near the orifice, a first internal thread 5 is arranged on the inner wall of the connecting shell 4 in a matching external thread manner, the son micro catheter 2 is sleeved inside the mother micro catheter 1, the orifice of the mother micro catheter 1 is positioned in the connecting shell 4, and the first internal thread 5 is in threaded connection with the first external thread 3, so that the son micro catheter 2 and the mother micro catheter 1 can be connected to form the double-lumen micro catheter;

female little pipe 1 matches is provided with syringe 6 and two-way pipe 7, be provided with valve 8 on the two-way pipe 7, can realize the control of opening and shutting to the inside of two-way pipe 7 through valve 8, be provided with second internal thread 9 on the suction pipe inner wall of syringe 6, it is provided with second external screw thread 10 to match second internal thread 9 on the outer wall of two-way pipe 7 one end, it is provided with third internal thread 11 to match first external screw thread 3 on the inner wall of the other end of two-way pipe 7, just so can be connected between syringe 6, two-way pipe 7 and female little pipe 1, thereby aspirate through pulling syringe 6, and valve 8 through two-way pipe 7 can make the inside negative pressure environment that forms of syringe 6, thereby decide after the suction, open valve 8 and realize the suction.

The outer diameter of the main pipe body of the mother micro-catheter 1 adopts 2.6 Fr;

the outer diameter of the main tube of the sub-microcatheter 2 is 1.8Fr, and the sub-microcatheter 2 can allow a 0.014 inch guide wire to pass through the inner cavity;

the syringe 6 used was 30ml in volume.

The utility model discloses be provided with side opening 12 at female little pipe 1's the main pipe body head end, side opening 12 and the 1 inner chamber intercommunication of female little pipe, side opening 12 can be convenient for aspirate the thrombus.

The mother micro-catheter 1 is matched with a cell filter which can filter and collect the substances sucked by the syringe 6 and determine the thrombus load sucked.

The utility model discloses when interveneeing the operation, can use son microcatheter 2 as single chamber microcatheter, also can insert mother microcatheter 1 inside with son microcatheter 2, and with mother microcatheter 1 and son microcatheter 2 threaded connection, thereby use as the two-chamber microcatheter, also can be with female microcatheter 1, two-way pipe 7, mutual threaded connection between syringe 6, make and to carry out manual thrombus suction through syringe 6, consequently the utility model discloses can act as two-chamber microcatheter in interveneeing the operation, still can use as single chamber microcatheter or thrombus suction pipe and use, really realized a thing multi-purpose ("trinity"), can reduce medical unit's logistics cost and patient's medical cost from the health economics perspective.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A multipurpose double-cavity micro-catheter comprises a mother micro-catheter (1) and a son micro-catheter (2), and is characterized in that: a first external thread (3) is arranged at a pipe orifice of the female micro-pipe (1), a connecting shell (4) is fixedly connected to the position, close to the pipe orifice, of the sub-micro-pipe (2), a first internal thread (5) is arranged on the inner wall of the connecting shell (4) in a matching manner with the external thread, the sub-micro-pipe (2) is sleeved inside the female micro-pipe (1), the pipe orifice of the female micro-pipe (1) is located in the connecting shell (4), and the first internal thread (5) is in threaded connection with the first external thread (3);

female little pipe (1) match be provided with syringe (6) and two-way pipe (7), be provided with valve (8) on two-way pipe (7), be provided with second internal thread (9) on the suction port intraductal wall of syringe (6), match on the outer wall of two-way pipe (7) one end second internal thread (9) are provided with second external thread (10), match on two-way pipe (7) other end inner wall first external thread (3) are provided with third internal thread (11).

2. The multi-purpose, double lumen microcatheter of claim 1, wherein: the main tube head end of the mother micro catheter (1) is provided with a side hole (12), and the side hole (12) is communicated with the inner cavity of the mother micro catheter (1).

3. The multi-purpose, double lumen microcatheter of claim 1, wherein: the mother micro-catheter (1) is provided with a cell filter in a matching way.

4. The multi-purpose, double lumen microcatheter of claim 1, wherein: the main pipe body external diameter of the mother micro-catheter (1) adopts 2.6Fr, the main pipe body external diameter of the son micro-catheter (2) adopts 1.8Fr, and the son micro-catheter (2) can allow a 0.014 inch guide wire to pass through the inner cavity.

5. The multi-purpose, double lumen microcatheter of claim 1, wherein: the volume of the syringe (6) was 30 ml.

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