CN211410464U

CN211410464U - Indwelling needle catheter component

Info

Publication number: CN211410464U
Application number: CN201921861695.7U
Authority: CN
Inventors: 肖卫涛; 杨建鑫
Original assignee: BEIJING FERT TECHNOLOGY CO LTD
Current assignee: BEIJING FERT TECHNOLOGY CO LTD
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-04
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a keep somewhere needle catheter part, including the pipe seat, the inside of pipe seat is provided with connecting pipe and pipe assembly, the one end of connecting pipe extends to one side of pipe seat, the one end of pipe assembly extends to the opposite side of pipe seat. Keep somewhere needle catheter part, be equipped with pipe seat and pipe assembly, pipe and rivet formula structure as an organic whole among the pipe assembly structure, production process is simple, the twice process of rivet and pipe equipment and rivet and pipe seat equipment has been saved, this structure only needs the manual work to put the pipe assembly and bond in the pipe seat and can accomplish the equipment, automation equipment has been removed from, the expense has been saved, and is efficient, the expense low grade advantage, the product price makes the product have better market competition, whole needle catheter part simple structure, high durability and convenient operation, the effect of using is better for traditional mode, bring better user prospect.

Description

Indwelling needle catheter component

Technical Field

The utility model relates to the technical field of medical equipment, in particular to keep somewhere needle pipe part.

Background

The venous indwelling needle is also called as venous trocar. The components of the core of the indwelling needle comprise a soft catheter which can be indwelling in a blood vessel and a stainless puncture guiding needle core. When in use, the catheter and the needle core are punctured into a blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is left in the blood vessel so as to carry out transfusion or hemodialysis treatment. Is convenient for clinical medication, emergency treatment medication for critical patients, relieves the workload of nurses and reduces the pain of children patients, so the venous indwelling needle is widely applied clinically. The catheter of the indwelling needle component and the catheter seat need to be fixed and tightly matched, so that the catheter and the catheter seat can be prevented from being separated during puncture, and blood leakage is prevented. The catheter base is then connected to the connecting tube to establish a blood pathway.

Keep somewhere fixed and the cooperation of pipe seat and pipe of needle on the market at present adopts the rivet, be connected pipe and pipe seat, firstly, this process is more complicated, at first need carry out interference fit with pipe and rivet in this structure production process, need self-control frock or automation equipment, then just can pack into the pipe seat with the part after the cooperation, this cooperation is also interference fit, equally need self-control frock or automation equipment, secondly, if manual assembly, above process, will certainly cause inefficiency, influence product yield, if automatic assembly, the company needs outsourcing equipment, cause the promotion of product price, influence product market competitiveness, for this reason, we propose one kind and keep somewhere needle pipe part.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide an indwelling needle catheter component which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an indwelling needle catheter component comprises a catheter seat, a connecting pipe and a catheter assembly are arranged inside the catheter seat, one end of the connecting pipe extends to one side of the catheter seat, and one end of the catheter assembly extends to the other side of the catheter seat.

Preferably, the guide pipe assembly consists of a guide pipe and a rivet, and the guide pipe and the rivet are of an integrated structure.

Preferably, the end part of the rivet far away from the guide tube has a trapezoidal external contour shape, and the end part of the guide tube far away from the rivet has a trapezoidal external contour shape.

Preferably, the catheter hub is internally composed of a first channel, a second channel and a third channel, the shape of the rivet is the same as the combined shape of the first channel and the second channel, and the shape of the third channel is circular.

Preferably, an adhesive is arranged between the rivet and the catheter base, and the outer wall of the rivet is fixedly connected with the inner wall of the catheter base through the adhesive.

Preferably, the outer side of the guide pipe is movably sleeved with a protective sleeve, and the closed end of the protective sleeve is a spherical surface.

Preferably, the inner wall of the catheter holder is provided with a clamping position, the outer wall of the connecting pipe is fixedly bonded with a clamping block through glue, the clamping position is aligned with the clamping block, and the connecting pipe is clamped into the clamping position through the clamping block.

Preferably, the fixture block is a rubber ring, and the cross section of the fixture block is semicircular.

Compared with the prior art, the utility model discloses following beneficial effect has: this keep somewhere needle catheter part, through catheter assembly and the pipe seat that sets up, pipe and rivet formula structure as an organic whole among the catheter assembly structure, production process is simple, has saved the twice process of rivet and pipe equipment and rivet and pipe seat equipment, and this structure only needs the manual work to put the pipe assembly and bond in the pipe seat and can accomplish the equipment, has removed automation equipment from, has saved the expense, has advantages such as efficient, the expense is low. The product price is low to make the product have better market competition, through setting up the connecting pipe, adopt the joint mode to assemble between connecting pipe and the pipe seat, improve the fastening degree after the connecting pipe installation, through the protective sheath that sets up, for the pipe provides the protection, prevent that the pipe outer wall from receiving with other object contact and scratching the damage, and, the blind end of protective sheath is the sphere, there is not sharp-pointed angle, can not cause the injury to wrapping bag or user of service, do benefit to people and use, whole keep somewhere needle pipe part simple structure, high durability and convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of an indwelling needle catheter component according to the present invention.

Fig. 2 is a sectional view of an indwelling needle catheter component of the present invention.

Fig. 3 is a schematic structural view of a catheter assembly in an indwelling needle catheter component according to the present invention.

Fig. 4 is a schematic structural view of a connecting pipe in an indwelling needle catheter component according to the present invention.

Fig. 5 is a schematic structural view of a catheter seat in an indwelling needle catheter component according to the present invention.

Fig. 6 is an enlarged view of a in fig. 4 of an indwelling needle catheter component according to the present invention.

FIG. 7 is an enlarged view of B in FIG. 5 of an indwelling needle catheter component according to the present invention

In the figure: 1. a catheter hub; 2. a protective sleeve; 3. a connecting pipe; 4. a conduit assembly; 5. a clamping block; 6. clamping; 41. a conduit; 42. and (4) riveting.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-7, an indwelling needle catheter component comprises a catheter base 1, a connecting pipe 3 and a catheter assembly 4 are arranged inside the catheter base 1, one end of the connecting pipe 3 extends to one side of the catheter base 1, one end of the catheter assembly 4 extends to the other side of the catheter base 1, and after the catheter base 1 is connected with the connecting pipe 3, a blood passage is established.

Furthermore, the conduit assembly 4 is composed of the conduit 41 and the rivet 42, the conduit 41 and the rivet 42 are of an integrated structure, the production process is simple, two processes of assembling the rivet 41 and the conduit 42 and assembling the rivet 42 and the conduit seat 1 are omitted, the assembly steps are simplified, and the assembly is convenient.

Furthermore, the outer contour shape of the end part of the rivet 42 far away from the catheter 41 is trapezoidal, the outer contour shape of the end part of the catheter 41 far away from the rivet 42 is trapezoidal, and the special shape of the end part of the catheter 41 far away from the rivet 42 can be well matched with the puncture needle to form the sharpness of the completed puncture.

Further, the catheter holder 1 is internally composed of a first channel, a second channel and a third channel, the shape of the rivet 42 is the same as the combined shape of the first channel and the second channel, the shape of the third channel is circular, the combined shape of the first channel and the second channel can be perfectly fit with the rivet 42, and the tightness and the sealing effect after connection are improved.

Furthermore, an adhesive is arranged between the rivet 42 and the catheter hub 1, the outer wall of the rivet 42 is fixedly connected with the inner wall of the catheter hub 1 through the adhesive, and the assembly between the catheter assembly 4 and the catheter hub 1 is completed.

Further, the outside movable sleeve of pipe 41 is equipped with protective sheath 2, and the blind end of protective sheath 2 is the sphere, and protective sheath 2 provides the protection for pipe 41, prevents that the outer wall of pipe 41 from receiving with other object contact and scratching the damage to, the spherical design of protective sheath 2 blind end does not have sharp-pointed angle, can not cause the injury to wrapping bag or user.

Further, screens 6 have been seted up to the inner wall of pipe seat 1, and the outer wall of connecting pipe 3 is fixed with fixture block 5 through the glue bonding, and screens 6 and fixture block 5 counterpoint, and connecting pipe 3 clamps to screens 6 in through fixture block 5, adopts the joint mode to assemble between connecting pipe 3 and the pipe seat 1, improves the tightness after the installation of connecting pipe 3.

Further, fixture block 5 is the rubber circle, and fixture block 5's cross sectional shape is semi-circular, makes fixture block 5's inner wall can laminate with the outer wall of connecting pipe 3 perfect, improves the steadiness behind connecting pipe 3 and the 5 adhesive fixation of fixture block.

It should be noted that the utility model relates to a catheter component of indwelling needle, which is composed of a catheter base 1, a protective sleeve 2, a connecting pipe 3, a catheter assembly 4, a clamping block 5, a clamping position 6, a catheter 41 and a rivet 42, before use, the catheter assembly 4 and the catheter base 1 need to be assembled, the outer wall of the rivet 42 in the structure of the catheter assembly 4 is coated with glue, the catheter 41 in the structure of the catheter assembly 4 is penetrated through from a third channel inside the catheter base 1 and is penetrated out from a first channel, the rivet 42 in the structure of the catheter assembly 4 is matched with a second channel inside the catheter base 1, the rivet 42 is bonded and fixed with the inner wall of the catheter base 1, after the adhesive is solidified, the next step of structural assembly can be carried out, the connecting pipe 3 is inserted into the third channel of the catheter base 1, the clamping block 5 in the structure of the connecting pipe 3 is clamped into the clamping position 6, the assembly of the connecting pipe 3 is completed, the, accomplish the whole equipment of keeping somewhere needle catheter part, wherein, pipe 41 and rivet 42 formula structure as an organic whole in the pipe assembly 4 structure, in whole production process, only need the manual work put pipe assembly 4 and bond in pipe seat 1 and can accomplish the equipment, and is efficient, the cost low grade advantage, adopt the joint mode to assemble between connecting pipe 3 and the pipe seat 1, improve the anchorage degree after the connecting pipe 3 installation, protective sheath 2 provides the protection for pipe 41, prevent that pipe 41 outer wall from receiving with other object contact and scraping and drawing the damage, and, the blind end of protective sheath 2 is the sphere, there is not sharp-pointed angle, can not cause the injury to wrapping bag or user of service, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An indwelling needle catheter component comprising a catheter hub (1), characterized in that: the catheter seat is characterized in that a connecting pipe (3) and a catheter assembly (4) are arranged inside the catheter seat (1), one end of the connecting pipe (3) extends to one side of the catheter seat (1), and one end of the catheter assembly (4) extends to the other side of the catheter seat (1).

2. An indwelling needle catheter component as claimed in claim 1, wherein: the guide pipe assembly (4) is composed of a guide pipe (41) and a rivet (42), and the guide pipe (41) and the rivet (42) are of an integrated structure.

3. An indwelling needle catheter component as claimed in claim 2, wherein: the outer contour shape of the end part of the rivet (42) far away from the guide pipe (41) is a trapezoid, and the outer contour shape of the end part of the guide pipe (41) far away from the rivet (42) is a trapezoid.

4. An indwelling needle catheter component as claimed in claim 3, wherein: the catheter seat (1) is internally composed of a first channel, a second channel and a third channel, the shape of the rivet (42) is the same as the combined shape of the first channel and the second channel, and the shape of the third channel is circular.

5. An indwelling needle catheter component as claimed in claim 2, wherein: an adhesive is arranged between the rivet (42) and the catheter base (1), and the outer wall of the rivet (42) is fixedly connected with the inner wall of the catheter base (1) through the adhesive.

6. An indwelling needle catheter component as claimed in claim 2, wherein: the outer side of the guide pipe (41) is movably sleeved with a protective sleeve (2), and the closed end of the protective sleeve (2) is a spherical surface.

7. An indwelling needle catheter component as claimed in claim 1, wherein: screens (6) are arranged on the inner wall of the catheter seat (1), the outer wall of the connecting pipe (3) is fixedly provided with a clamping block (5) through glue adhesion, the screens (6) are aligned with the clamping block (5), and the connecting pipe (3) is clamped into the screens (6) through the clamping block (5).

8. An indwelling needle catheter component as in claim 7, wherein: the fixture block (5) is a rubber ring, and the cross section of the fixture block (5) is semicircular.