CN105879193B

CN105879193B - Pipe tail wing rotator

Info

Publication number: CN105879193B
Application number: CN201610361530.8A
Authority: CN
Inventors: 职康康; 高一菁; 曲乐丰
Original assignee: Second Military Medical University SMMU
Current assignee: Second Military Medical University SMMU
Priority date: 2016-05-26
Filing date: 2016-05-26
Publication date: 2021-10-26
Anticipated expiration: 2036-05-26
Also published as: CN105879193A

Abstract

The invention relates to a catheter empennage rotator, which belongs to the technical field of medical instruments and consists of a catheter (1) with an empennage, a connecting pipe (2) and a rotator (3), wherein the rotator (3) is connected with the catheter (1) with the empennage through the connecting pipe (2). Its advantages are: the invention designs the empennage rotator for the catheter used in the vascular surgery, and is convenient for a doctor to rotate the catheter in the operation process. The pipe tail wing rotator is simple in structure, convenient to use and worthy of popularization.

Description

Pipe tail wing rotator

Technical Field

The invention relates to the technical field of medical instruments, in particular to a catheter empennage rotator.

Background

With the aging of the population in China, the incidence of vascular diseases is higher and higher, and in order to diagnose and treat vascular diseases, minimally invasive interventional operation treatment of vascular surgery, cardiology, neurosurgery, thoracic surgery, interventional department and the like becomes a great trend. The catheter is one of basic tools for vessel intervention diagnosis and treatment, and an operator can complete the over-selection work of vessel branches by controlling the empennage of the catheter and matching with the advance and retreat of a guide wire. However, the tail of the currently used catheter is wing-shaped, which is not beneficial to manual steering adjustment operation. According to the invention, the empennage rotator capable of being assembled quickly is added to the tail part of the catheter, so that the hand feeling of a surgeon for adjusting the direction of the catheter can be increased, and the success rate of blood vessel over-selection is improved.

Chinese patent document CN202427023U discloses a medical catheter fixing clamp, which comprises a fixing clamp, wherein an elastic sawtooth strip is fixed on the outer side of the tail wing at the rear end of the fixing clamp at one side, and a rectangular limiting hole matched with the sawtooth strip for use is arranged on the tail wing behind the sawtooth strip. The fixing clip and the sawtooth strip are made of medical plastic. The fixing clip consists of clamping arms on two sides, a hinged shaft for connecting the clamping arms on two sides and a spring piece positioned between tail wings at the rear ends of the clamping arms on two sides. However, no report has been made on the catheter-empennage rotator of the present invention.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a catheter-empennage rotator.

In order to achieve the purpose, the invention adopts the technical scheme that: a catheter empennage rotator is composed of a catheter (1) with an empennage, a connecting pipe (2) and a rotator (3), wherein the rotator (3) is connected with the catheter (1) with the empennage through the connecting pipe (2); the catheter (1) with the empennage consists of a catheter main body (11), the empennage (12), a catheter end section (13) and a catheter tail end bulge (14), wherein the empennage (12) is arranged at one end of the catheter main body (11), the empennage (12) is connected with the catheter end section (13), and the port bulge of the catheter end section (13) forms the catheter tail end bulge (14); the connecting pipe (5) is divided into 5 sections, namely a U-shaped section (21), a conduit access section (22), a connecting pipe middle section (23), a connecting pipe symmetrical fan ring section (24) and a connecting pipe tail section (25), wherein the conduit access section (22) is in the shape of a ring with one section cut off, the opening length of the conduit access section (22) is larger than the outer diameter of a conduit tail end protrusion (14), the connecting pipe middle section (13) is in the shape of a ring, the connecting pipe symmetrical fan ring section (24) is in the shape of a ring with parts cut off at the upper part and the lower part, the connecting pipe symmetrical fan ring section (24) is provided with internal threads, and the connecting pipe tail section (25) is in the shape of a ring; the rotator (3) is composed of a rotator head section (31), a rotator main body section (32) and a rotator branch section (33), the rotator head section (31) is provided with an external thread matched with the internal thread of the connecting pipe (2), the rotator head section (31) is connected with the rotator main body section (32), the side wall of the rotator main body section (32) is connected with the rotator branch section (33), and the rotator head section (31), the rotator main body section (32) and the rotator branch section (33) are hollow.

The opening length of the U-shaped section (21) is smaller than the outer diameter of the tail end protrusion (14) of the guide pipe, and the opening length of the U-shaped section (21) is larger than or equal to the outer diameter of the tail end section (13) of the guide pipe.

The inner diameter of the catheter main body (11) is 3F or 4F.

The invention has the advantages that:

the invention designs the empennage rotator for the catheter used in the vascular surgery, and is convenient for a doctor to rotate the catheter in the operation process. The pipe tail wing rotator is simple in structure, convenient to use and worthy of popularization.

Drawings

Fig. 1 is a schematic structural view of a duct/fin rotor according to the present invention.

Fig. 2 is a schematic structural view of a empennage-equipped duct of the present invention.

Fig. 3 is a schematic structural view of a connection pipe of the present invention.

Fig. 4 is a schematic structural view of a rotator of the present invention.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings.

The reference numerals and components referred to in the drawings are as follows:

1. catheter with tail

11. Catheter body

12. Tail wing

13. Catheter tip

14. Catheter tip bulge

2. Connecting pipe

21. U-shaped section

22. Catheter access segment

23. Middle section of connecting pipe

24. Symmetrical sector ring section of connecting pipe

25. Connecting pipe tail section

3. Rotary device

31. Rotator head section

32. Rotator main body section

33. Spinner branch section

Referring to fig. 1, the duct/fin rotator of the present invention comprises a duct (1) with a fin, a connection pipe (2), and a rotator (3). The rotator (3) is connected with the conduit (1) with the tail wing through a connecting pipe (2).

EXAMPLE 1 empennage catheter

Referring to fig. 2, fig. 2 is a schematic view of a tailed catheter. The catheter (1) with the empennage consists of a catheter main body (11), the empennage (12), a catheter tail section (13) and a catheter tail end bulge (14). One end of the catheter main body (11) is provided with a tail wing (12), the tail wing (12) is connected with the catheter tail section (13), and a port of the catheter tail section (13) is protruded to form a catheter tail end protrusion (14). The inner diameter of the catheter main body (11) is 3F or 4F.

EXAMPLE 2 connecting pipe

Referring to fig. 3, fig. 3 is a schematic view of a connecting tube. The connecting pipe (5) is divided into 5 sections, namely a U-shaped section (21), a conduit access section (22), a connecting pipe middle section (23), a connecting pipe symmetrical fan ring section (24) and a connecting pipe tail section (25). The opening length of the U-shaped section (21) is between the outer diameters of the conduit end section (13) and the conduit end bulge (14). The catheter access section (22) is in a ring shape with a section cut off, the opening length of the catheter access section (22) is larger than the outer diameter of the catheter tail end bulge (14), and the catheter tail end bulge (14) is clamped into the connecting pipe (2) through the catheter access section (14). The middle section (13) of the connecting pipe is annular. The symmetrical fan ring segments (24) of the connecting pipe are ring-shaped with a part cut off from the upper and the lower parts, namely two symmetrical fan rings. The symmetrical fan ring segments (24) of the connecting pipe are provided with internal threads. The connecting pipe end section (25) is annular.

EXAMPLE 3 rotator

Referring to fig. 4, fig. 4 is a schematic view of a rotator. The rotator (3) is composed of a rotator head section (31), a rotator main body section (32) and a rotator branch section (33). The rotator head section (31) is provided with an external thread matched with the internal thread of the connecting pipe (2), the rotator head section (31) is connected with the rotator main body section (32), and the side wall of the rotator main body section (32) is connected with the rotator branch section (33). The rotator head section (31), the rotator main body section (32) and the rotator branch section (33) are all hollow. The spinner branch section (33) may be used for water injection during surgery.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be regarded as the protection scope of the present invention.

Claims

1. A duct tail wing rotator is characterized by comprising a duct (1) with a tail wing, a connecting pipe (2) and a rotator (3), wherein the rotator (3) is connected with the duct (1) with the tail wing through the connecting pipe (2); the catheter (1) with the empennage consists of a catheter main body (11), the empennage (12), a catheter end section (13) and a catheter tail end bulge (14), wherein the empennage (12) is arranged at one end of the catheter main body (11), the empennage (12) is connected with the catheter end section (13), and the port bulge of the catheter end section (13) forms the catheter tail end bulge (14); the connecting pipe (2) is divided into 5 sections, namely a U-shaped section (21), a conduit access section (22), a connecting pipe middle section (23), a connecting pipe symmetrical fan ring section (24) and a connecting pipe tail section (25), wherein the conduit access section (22) is in the shape of a ring with one section cut off, the opening length of the conduit access section (22) is larger than the outer diameter of a conduit tail end bulge (14), the connecting pipe middle section (23) is in the shape of a ring, the connecting pipe symmetrical fan ring section (24) is in the shape of a ring with parts cut off at the upper part and the lower part, the connecting pipe symmetrical fan ring section (24) is provided with internal threads, and the connecting pipe tail section (25) is in the shape of a ring; the rotator (3) is composed of a rotator head section (31), a rotator main body section (32) and a rotator branch section (33), the rotator head section (31) is provided with an external thread matched with the internal thread of the connecting pipe (2), the rotator head section (31) is connected with the rotator main body section (32), the side wall of the rotator main body section (32) is connected with the rotator branch section (33), the rotator head section (31), the rotator main body section (32) and the rotator branch section (33) are hollow, and the inner diameter of the catheter main body (11) is 3F or 4F.

2. A catheter tail rotor according to claim 1 characterized in that the opening length of the U-shaped section (21) is smaller than the outer diameter of the catheter tip projection (14) and the opening length of the U-shaped section (21) is greater than or equal to the outer diameter of the catheter tip section (13).