CN211485978U

CN211485978U - Deep vein indwelling tube for cardiology department disease

Info

Publication number: CN211485978U
Application number: CN201922176302.5U
Authority: CN
Inventors: 杨东东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-15
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a dark vein indwelling catheter of intracardiac branch of academic or vocational study disease, including the pipe, the inside of pipe is provided with the steel needle, the right side fixedly connected with pipe seat of pipe, the inside fixed mounting of pipe seat has the sealing plug, the right side of sealing plug is provided with the fixed plate, the right-hand member fixedly connected with needle file of steel needle, the downside fixedly connected with pipe seat extension arm of pipe seat, the inside of pipe seat extension arm is provided with prevents back the blood device, the other end fixed mounting of pipe seat extension arm has the joint, the opposite side fixedly connected with extension pipe that connects. The utility model discloses a set up and prevent returning the blood device, after the patient infusion was accomplished, prevent returning the spring among the blood device and can make the piston contact with leading to the groove all the time, will lead to the groove and seal, avoid the blood in the vein to flow back to extension intraduct to avoided patient's panic, also avoided consequently and arouse the unnecessary misunderstanding.

Description

Deep vein indwelling tube for cardiology department disease

Technical Field

The utility model relates to a intracardiac branch of academic or vocational study technical field specifically is a deep vein indwelling tube of intracardiac branch of academic or vocational study disease.

Background

The cardiology is also called cardiology or cardiology department, which is a medical science specially used for studying heart or blood vessel diseases. Both cardiology and cardiac surgery are used to treat cardiovascular or cardiac-related diseases. The heart surgery is mainly performed by operation, such as bypass surgery, congenital heart disease operation, valve replacement and the like; the cardiology is mainly drug therapy, and also includes cardiac intervention, and non-invasive or minimally invasive surgery such as coronary artery catheterization. The department of cardiology needs to carry out long-term multiple infusion to the disease when treating, needs to use deep vein indwelling pipe, and the component part of its core includes the soft pipe/sleeve pipe that can keep somewhere in the blood vessel, and the puncture guide needle core of stainless steel. 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 infusion treatment.

The existing deep vein indwelling tube has a phenomenon of blood return due to the movement of a patient, and although the treatment and the body of the patient are not affected, the patient is always nervous when the blood in the extension tube is seen, so as to avoid unnecessary misunderstandings, and therefore, a deep vein indwelling tube for the cardiology department patient is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems existing in the prior art and provides a deep vein indwelling tube for patients in cardiology department.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dark vein indwelling catheter of intracardiac branch of academic or vocational study disease, includes the pipe, the inside of pipe is provided with the steel needle, the right side fixedly connected with pipe seat of pipe, the inside fixed mounting of pipe seat has the sealing plug, the right side of sealing plug is provided with the fixed plate, the right-hand member fixedly connected with needle file of steel needle, the downside fixedly connected with pipe seat extension arm of pipe seat, the inside of pipe seat extension arm is provided with prevents back the blood device, the other end fixed mounting of pipe seat extension arm has the joint, the opposite side fixedly connected with extension pipe that connects.

Preferably, the outside fixed mounting of needle file has the needle handle, the left side fixed mounting of needle file has the fixed stopper, and fixed stopper and pipe seat sliding connection, the left side fixed mounting of fixed stopper has the lag of compression.

Preferably, the blood return prevention device comprises a protective shell, a through groove is formed in the protective shell, a baffle is fixedly mounted in the protective shell, a spring is fixedly connected to one side of the baffle, a piston is fixedly connected to the other end of the spring, a limiting cylinder is fixedly connected to one side of the piston, a through hole is formed in the surface of the limiting cylinder, and the limiting cylinder is connected with the through groove in a sliding mode.

Preferably, the other end of the extension pipe is fixedly connected with a first connecting pipe, and a sealed infusion head is fixedly mounted on the right side of the first connecting pipe.

Preferably, a second connecting pipe is fixedly connected to the lower side of the first connecting pipe, and an end cap is fixedly mounted on one side of the second connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up and prevent returning the blood device, after the patient infusion was accomplished, prevent returning the spring among the blood device and can make the piston contact with leading to the groove all the time, will lead to the groove and seal, avoid the blood in the vein to flow back to extension intraduct to avoided patient's panic, also avoided consequently and arouse the unnecessary misunderstanding.

2. The utility model discloses a set up the lag, after puncturing into patient's vein blood vessel completely with pipe and steel needle, the lag of the in-process compression of extracting the steel needle also can slowly relax, carries out the cladding with the steel needle, avoids the steel needle to cause the harm to medical staff after extracting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the cross section of the present invention;

fig. 3 is a schematic structural view of the blood return prevention device of the present invention.

In the figure: the device comprises a catheter 1, a steel needle 2, a catheter seat 3, a needle seat 4, a fixing plug 5, a sealing plug 6, a fixing plate 7, a protective sleeve 8, a needle handle 9, a catheter seat extension arm 10, a blood return prevention device 11, a protective shell 111, a through groove 112, a baffle 113, a spring 114, a limiting cylinder 115, a piston 116, a through hole 117, a joint 12, an extension pipe 13, a first connecting pipe 14, a sealed infusion head 15, a second connecting pipe 16 and an end cap 17.

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. 1-3, a deep vein indwelling catheter for patients in cardiology department comprises a catheter 1, a steel needle 2 is arranged inside the catheter 1, a catheter holder 3 is fixedly connected to the right side of the catheter 1, a sealing plug 6 is fixedly arranged inside the catheter holder 3, a fixing plate 7 is arranged on the right side of the sealing plug 6, a needle holder 4 is fixedly connected to the right end of the steel needle 2, a catheter holder extension arm 10 is fixedly connected to the lower side of the catheter holder 3, a blood return prevention device 11 is arranged inside the catheter holder extension arm 10, a connector 12 is fixedly arranged at the other end of the catheter holder extension arm 10, an extension tube 13 is fixedly connected to the other end of the connector 12, a first connecting tube 14 is fixedly connected to the other end of the extension tube 13, a sealed infusion head 15 is fixedly arranged on the right side of the first connecting tube 14, a second connecting tube 16 is fixedly connected to the lower side of the first connecting, the outside fixed mounting of needle file 4 has needle handle 9, the left side fixed mounting of needle file 4 has fixed stopper 5, and fixed

stopper

5 and 3 sliding connection of pipe seat, the left side fixed mounting of fixed stopper 5 has the lag 8 of compression, after puncturing into patient's vein completely with pipe 1 and steel needle 2, make needle file 4 slowly extract steel needle 2 through pulling needle handle 9, fixed stopper 5 shifts out pipe seat 3 simultaneously, and drive the lag 8 of compression and slowly relax, wrap up steel needle 2, avoid steel needle 2 to cause the harm to medical staff after extracting.

Referring to fig. 2 and 3, the blood return prevention device 11 includes a protective shell 111, a through groove 112 is formed in the protective shell 111, a baffle 113 is fixedly mounted in the protective shell 111, the baffle 113 is a permeable plate, a spring 114 is fixedly connected to one side of the baffle 113, a piston 116 is fixedly connected to the other end of the spring 114, a limiting cylinder 115 is fixedly connected to one side of the piston 116, a through hole 117 is formed in the surface of the limiting cylinder 115, the limiting cylinder 115 is slidably connected to the through groove 112, after the transfusion of a patient is completed, the spring 114 can enable the piston 116 to be always in contact with the through groove 112, the through groove 112 is sealed, and the blood in the vein is prevented from flowing back to the inside of the extension tube 13, so that the panic of the patient is avoided, and unnecessary misunder.

In summary, the following steps: this dark vein indwelling catheter of intracardiac branch of academic or vocational study disease, when the patient carries out normal infusion, the pressure that the infusion caused can make piston 116 drive spacing section of thick bamboo 115 and remove and compression spring 114, the inside through-hole of seting up of spacing section of thick bamboo 115 of cooperation, the inside logical groove of protecting crust 111 is the intercommunication this moment, can infuse the treatment to the patient, after the patient infusion is accomplished, spring 114 can make piston 116 contact with logical groove 112 all the time, it seals logical groove 112, avoid the blood reflux in the vein to inside extension pipe 13, thereby patient's panic has been avoided, also avoid consequently and arouse the unnecessary misunderstanding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A deep vein indwelling catheter for a cardiology department patient, comprising a catheter (1), characterized in that: the utility model discloses a catheter, including pipe (1), right side fixedly connected with pipe seat (3) of pipe (1), the inside fixed mounting of pipe seat (3) has sealing plug (6), the right side of sealing plug (6) is provided with fixed plate (7), right-hand member fixedly connected with needle file (4) of steel needle (2), downside fixedly connected with pipe seat extension arm (10) of pipe seat (3), the inside of pipe seat extension arm (10) is provided with prevents returning blood device (11), the other end fixed mounting of pipe seat extension arm (10) has joint (12), the opposite side fixedly connected with extension pipe (13) of joint (12).

2. A deep vein indwelling tube for a cardiology patient as in claim 1, wherein: the utility model discloses a catheter needle, including needle stand (4), fixed mounting has needle handle (9) in the outside of needle stand (4), the left side fixed mounting of needle stand (4) has fixed stopper (5), and fixed stopper (5) and pipe seat (3) sliding connection, the left side fixed mounting of fixed stopper (5) has compressed lag (8).

3. A deep vein indwelling tube for a cardiology patient as in claim 1, wherein: prevent back blood device (11) including protecting crust (111), logical groove (112) have been seted up to the inside of protecting crust (111), the inside fixed mounting of protecting crust (111) has baffle (113), one side fixedly connected with spring (114) of baffle (113), the other end fixedly connected with piston (116) of spring (114), the spacing section of thick bamboo (115) of one side fixedly connected with of piston (116), through-hole (117) have been seted up on the surface of spacing section of thick bamboo (115), spacing section of thick bamboo (115) and logical groove (112) sliding connection.

4. A deep vein indwelling tube for a cardiology patient as in claim 1, wherein: the other end of the extension pipe (13) is fixedly connected with a first connecting pipe (14), and a sealed infusion head (15) is fixedly mounted on the right side of the first connecting pipe (14).

5. A deep vein indwelling tube for a cardiology patient according to claim 4, wherein: the lower side of the first connecting pipe (14) is fixedly connected with a second connecting pipe (16), and one side of the second connecting pipe (16) is fixedly provided with an end cap (17).