CN215134933U - Double-cavity central venous catheter sealing device - Google Patents

Abstract

The utility model relates to a double-cavity central venous catheter sealing device, which comprises a positioning shell and a push-pull plate, wherein both sides of the surface of the positioning shell are provided with a placing groove, both ends of the placing groove are provided with a needle tube groove and a piston shaft groove, and one end of the placing groove, which is close to the piston shaft groove, is provided with a positioning groove; the positioning shell body surface is located adjacent one side of two standing grooves and all is equipped with articulated seat, and articulated on the articulated seat have a location hoop, and the location hoop is the arc structure, and location hoop one side all is equipped with the buckle, and the positioning shell body both sides are equipped with buckle matched with fixture block, and the positioning shell body center vertically is equipped with flexible chamber, and flexible chamber lower extreme is the opening setting, is equipped with the loose axle in the flexible chamber, and the push-and-pull board is connected perpendicularly to the loose axle lower extreme, and push-and-pull board upper surface both sides all are equipped with the cassette. The push-pull plate is horizontally placed and presses the positioning shell, so that the push-pull plate pushes the piston rod to ascend, medical personnel can conveniently operate with one hand, two syringes can be synchronously sealed at the same time, and pipeline blockage caused by blood backflow is effectively avoided.

Description

Double-cavity central venous catheter sealing device

Technical Field

The utility model belongs to the technical field of medical auxiliary appliance, concretely relates to two-chamber central vein seals pipe device.

Background

The central venous catheter placement is a monitoring and treating means commonly used in clinic, a simple and painless method is provided for intravenous drug treatment, rapid transfusion and volume treatment of intraoperative hemorrhagic shock, total parenteral central venous nutrition, blood transfusion and blood supplies, blood sample collection, central venous pressure monitoring and the like through a fixed central venous catheter inlet, and compared with a single-cavity central venous catheter, the double-cavity central venous catheter can simultaneously provide two independent transfusion passages, has larger flow rate, so that the clinical application way is very wide.

When the venous catheter is sealed, 10ml of physiological saline is used for flushing the pipeline, and then the needle is pulled out to prevent blood from coagulating. After treatment, the tube is generally sealed by two 10ml needle tubes at the same time, otherwise the double-cavity tube causes blood backflow to cause thrombotic tube blockage. At present, when clinical treatment, two solitary syringes of universal adoption seal the pipe for medical personnel have inconvenience when the operation, accomplish two syringes and seal the pipe simultaneously in step very difficultly, thereby arouse stifled tub phenomenon easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a to above-mentioned problem, disclose a two-chamber central vein tube sealing device, solved prior art traditional chinese medical science nursing personnel and adopted two syringes to seal the pipe when, can't accomplish simultaneously to carry out the problem of sealing the pipe in step.

The specific technical scheme is as follows:

a double-cavity central venous catheter sealing device comprises a positioning shell and a push-pull plate, wherein placing grooves for placing an injector are symmetrically formed in two sides of the surface of the positioning shell, a needle tube groove and a piston shaft groove for placing a needle tube and a piston shaft are formed in the upper end and the lower end of each placing groove respectively, and a positioning groove for accommodating a needle tube lug is formed in one end, close to the piston shaft groove, of each placing groove; the surface of the positioning shell is provided with a hinging seat at one adjacent side of the two placing grooves, the hinging seat is hinged with a positioning hoop, the positioning hoop is of an arc structure and fixes the injector in the placing grooves, one side of the positioning hoop is provided with a buckle, two sides of the positioning shell are provided with clamping blocks matched with the buckle, the center of the positioning shell is longitudinally provided with a telescopic cavity, the lower end of the telescopic cavity is provided with an opening, the opening at the lower end of the telescopic cavity is provided with a limiting end, a movable shaft is arranged in the telescopic cavity, the upper end of the movable shaft is provided with a limiting block, the limiting block is matched with the limiting end to limit the movable shaft, the lower end of the movable shaft passes through the limiting end and is vertically connected with the center of the push-pull plate, two sides of the upper surface of the push-pull plate are provided with clamping seats for fixing a piston handle, the clamping seats are semicircular and have a hollow structure, and one side is provided with an opening, the upper end of the clamping seat is provided with a through hole of a semicircular structure, and the position of the through hole corresponds to the position of the piston shaft groove.

Furthermore, the bottom of the push-pull plate is provided with a pull handle with an Contraband-shaped structure, and two ends of the pull handle upwards penetrate through two sides of the push-pull plate and are horizontally provided with limit plates.

Furthermore, the bottom of the push-pull plate is provided with a containing groove for containing the handle.

Further, the size of the positioning groove is matched with that of the needle cylinder lug.

Furthermore, flexible chamber lower extreme opening is the cruciform structure, just the transversal cruciform structure of personally submitting of loose axle and with flexible chamber lower extreme opening size looks adaptation.

Further, the length of the telescopic cavity is not less than 6 cm.

The beneficial effects of the utility model are embodied in:

the utility model discloses a place two syringe needle cylinders in the standing groove to utilize the constant head tank to fix a position the needle cylinder lug and the positioning seat on the push-and-pull plate is fixed a position the piston handle, fix a position the needle cylinder through location hoop at last, prevent that the needle cylinder from taking place the activity when the push-and-pull, through placing the push-and-pull plate level and pressing down the location casing, make the push-and-pull plate promote the piston rod and rise, the medical personnel of being convenient for carry out one-hand operation, can realize two syringes and seal the pipe simultaneously in step, effectively avoid causing the pipeline to block up because of blood backward flow.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a longitudinal sectional view of the present invention.

Fig. 3 is a transverse sectional view of the present invention.

Fig. 4 is a schematic structural view of the middle push-pull plate of the present invention.

The device comprises a positioning shell 1, a placing groove 2, a needle tube groove 3, a piston shaft groove 4, a positioning groove 5, a hinge seat 6, a positioning hoop 7, a buckle 8, a clamping block 9, a telescopic cavity 10, a limiting end 11, a movable shaft 12, a limiting block 13, a push-pull plate 14, a clamping seat 15, an opening 16, a handle 17, a limiting plate 18, a containing groove 19 and an injector 20.

Detailed Description

For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The utility model discloses in the fixed connection who mentions, fixed setting is the general connected mode among the mechanical field, and welding, bolt and nut are connected and the screw connection is all can.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-4, a double-cavity central venous catheter sealing device comprises a positioning shell 1 and a push-pull plate 14, wherein placing grooves 2 for placing a syringe 20 are symmetrically arranged on two sides of the surface of the positioning shell 1, a needle tube groove 3 and a piston shaft groove 4 for placing a needle tube and a piston shaft are respectively arranged at the upper end and the lower end of the placing groove 2, and a positioning groove 5 for accommodating a needle tube lug is arranged at one end of the placing groove 2 close to the piston shaft groove 4; the surface of the positioning shell 1 is provided with a hinging seat 6 at one side adjacent to the two placing grooves 2, the hinging seat 6 is hinged with a positioning hoop 7, the positioning hoop 7 is of an arc structure and fixes the injector 20 in the placing grooves 2, one side of the positioning hoop 7 is provided with a buckle 8, two sides of the positioning shell 1 are provided with clamping blocks 9 matched with the buckle 8, the center of the positioning shell 1 is longitudinally provided with a telescopic cavity 10, the lower end of the telescopic cavity 10 is provided with an opening, a limiting end 11 is arranged at the opening of the lower end of the telescopic cavity 10, a movable shaft 12 is arranged in the telescopic cavity 10, the upper end of the movable shaft 12 is provided with a limiting block 13, the limiting block 13 is matched with the limiting end 11 to limit the movable shaft 12, the lower end of the movable shaft 12 penetrates through the limiting end 11 and is vertically connected with the center of the push-pull plate 14, two sides of the upper surface of the push-pull plate 14 are provided with clamping seats 15 for fixing a piston handle, the clamping seat 15 is semicircular, the clamping seat 15 is of a hollow structure, one side of the clamping seat is provided with an opening, the upper end of the clamping seat 15 is provided with a through hole 16 of the semicircular structure, and the position of the through hole 16 corresponds to the position of the piston shaft groove 4.

Furthermore, the bottom of the push-pull plate 14 is provided with a pull handle 17 with an Contraband-shaped structure, and two ends of the pull handle 17 penetrate through two sides of the push-pull plate 14 upwards and are horizontally provided with a limit plate 18.

Further, the bottom of the push-pull plate 14 is provided with a receiving groove 19 for receiving the handle 17.

Furthermore, the size of the positioning groove 5 is matched with that of the syringe lug.

Further, flexible chamber 10 lower extreme opening is the cruciform structure, just the transversal cruciform structure of personally submitting of loose axle 12 and with flexible chamber 10 lower extreme opening size looks adaptation.

Further, the length of the telescopic cavity 10 is not less than 6 cm.

The working principle is as follows:

through placing two syringe 20 cylinders in standing groove 2 to utilize constant head tank 5 to fix a position the cylinder lug and the positioning seat on the push-and-pull plate 14 is fixed a position the piston handle, buckle 8 and the cooperation of fixture block 9 on the hoop 7 of rethread are fixed a position the cylinder finally, realize fixing a position the cylinder, prevent that the cylinder from taking place the activity when the push-and-pull, through placing push-and-pull plate 14 level and pressing location casing 1, make push-and-pull plate 14 promote the piston rod and rise, thereby make two syringe 20 carry out the tube sealing simultaneously in step.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. The double-cavity central venous catheter sealing device is characterized by comprising a positioning shell (1) and a push-pull plate (14), wherein placing grooves (2) are symmetrically formed in two sides of the surface of the positioning shell (1), a needle catheter groove (3) and a piston shaft groove (4) are respectively formed in the upper end and the lower end of each placing groove (2), and a positioning groove (5) is formed in one end, close to the piston shaft groove (4), of each placing groove (2); the surface of the positioning shell (1) is provided with hinged seats (6) at one adjacent side of the two placing grooves (2), the hinged seats (6) are hinged with positioning hoops (7), the positioning hoops (7) are of arc structures and fix injectors (20) in the placing grooves (2), one side of each positioning hoop (7) is provided with a buckle (8), two sides of the positioning shell (1) are provided with clamping blocks (9) matched with the buckles (8), the center of the positioning shell (1) is longitudinally provided with a telescopic cavity (10), the lower end of the telescopic cavity (10) is provided with an opening, the opening at the lower end of the telescopic cavity (10) is provided with a limiting end (11), a movable shaft (12) is arranged in the telescopic cavity (10), the upper end of the movable shaft (12) is provided with a limiting block (13), and the limiting block (13) is matched with the limiting end (11) to limit the movable shaft (12), and the lower extreme of loose axle (12) passes spacing end (11) and connects perpendicularly the center of push-and-pull board (14), push-and-pull board (14) upper surface both sides all are equipped with cassette (15), cassette (15) are semicircle form, and cassette (15) are hollow structure, and cassette (15) one side sets up for the opening, and cassette (15) upper end is equipped with opening (16) of semicircular structure, the position of opening (16) corresponds with the position of piston shaft groove (4).

2. The double-cavity central venous catheter sealing device of claim 1, wherein the bottom of the push-pull plate (14) is provided with a pull handle (17) with an Contraband-shaped structure, and both ends of the pull handle (17) penetrate upwards through both sides of the push-pull plate (14) and are horizontally provided with limiting plates (18).

3. The dual chamber central venous catheter assembly of claim 2 wherein the bottom of the push-pull plate (14) is provided with a receiving groove (19) for receiving the handle (17).

4. The dual chamber central venous catheter assembly of claim 1 wherein the detent (5) is sized to fit the size of the barrel ledge.

5. The double-cavity central venous catheter sealing device as claimed in claim 1, wherein the lower end opening of the telescopic cavity (10) is in a cross-shaped structure, and the cross section of the movable shaft (12) is in a cross-shaped structure and is matched with the size of the lower end opening of the telescopic cavity (10).

6. The dual lumen central venous catheter assembly of claim 1 wherein the length of the telescoping lumen (10) is not less than 6 cm.

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