CN211096911U

CN211096911U - Pipe orifice fixing device of central venous catheter

Info

Publication number: CN211096911U
Application number: CN201921596745.3U
Authority: CN
Inventors: 崔冰
Original assignee: First Affiliated Hospital of Henan University of TCM
Current assignee: First Affiliated Hospital of Henan University of TCM
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-28
Anticipated expiration: 2029-09-24

Abstract

The utility model provides a mouth of pipe fixing device of central venous catheter, the effectual pipe mouth of pipe of having solved is difficult fixed, the scheduling problem is polluted easily, which comprises a housin, the rotation is connected with the axis of rotation that the level was placed in the casing, the coaxial first screw rod and the second screw rod of being fixed with of axis of rotation, the screw thread of first screw rod and second screw rod is revolved to opposite, first screw rod threaded connection has the left nut, the left nut lower extreme is fixed with left splint, second screw rod threaded connection has right nut, right nut lower extreme is fixed with right splint, the lower extreme of casing is equipped with two through-holes, the pipe has been inserted in the through-hole, left splint and right splint all are equipped with.

Description

Pipe orifice fixing device of central venous catheter

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a central venous catheter's mouth of pipe fixing device.

Background

The prevalence rate of nephropathy has a rising trend in recent years, wherein, a serious nephropathy patient needs hemodialysis to purify the blood impurities, while a central venous catheter is a temporary hemodialysis access which is most widely used clinically, saving lives of countless patients, in clinical work, a double-lumen central venous catheter is a common central venous catheter, which is two independent infusion accesses and can simultaneously monitor and infuse venous pressure or simultaneously input two different liquids, the bottom of the double-lumen central venous catheter is placed in the patient for many years, a heparin cap is arranged at the tube opening of the catheter, after dialysis, medical staff needs to sterilize the heparin cap and wrap the heparin cap with gauze, and is not easy to fix, and further, the patient often touches the heparin cap during dressing or exercise, and easily pollutes the tube opening, especially in summer, sweat stain of the patient can easily pollute the pipe orifice, and the use safety of the patient is greatly influenced.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a central venous catheter's mouth of pipe fixing device, the effectual difficult fixed, the easy pollution scheduling problem of pipe mouth of pipe of having solved.

The technical scheme of its solution is, including the casing, the rotation axis that the level was placed is connected with in the casing internal rotation, the coaxial first screw rod and the second screw rod of being fixed with of axis of rotation, the screw thread of first screw rod and second screw rod revolves to opposite, first screw rod threaded connection has the left nut, the left nut lower extreme is fixed with left splint, second screw rod threaded connection has the right nut, the right nut lower extreme is fixed with right splint, the lower extreme of casing is equipped with two through-holes, it has the pipe to insert in the through-hole, left splint and right splint all are equipped with the draw-in groove corresponding with the pipe.

The utility model discloses the structure is ingenious, can effectively fix the pipe, can guarantee the safe in utilization of heparin cap again, has ensured sterile environment, has alleviateed medical staff's work burden, has reduced patient's use risk, and is safe effective, convenient and practical.

Drawings

Fig. 1 is a schematic view of a front view of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the right-middle nut of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 2, a mouth of pipe fixing device of central venous catheter, including casing 1, 1 internal rotation of casing is connected with axis of rotation 2 that the level was placed, 2 coaxial fixes with first screw rod 3 and second screw rod 4 in the axis of rotation, the screw thread of first screw rod 3 and second screw rod 4 is turned around to opposite, 3 threaded connection of first screw rod has left nut 5, 5 lower extremes of left nut are fixed with left splint 6, 4 threaded connection of second screw rod have

right nut

7, 7 lower extremes of right nut are fixed with right splint 8, the lower extreme of casing 1 is equipped with two through-holes, it has pipe 9 to insert in the through-hole, left splint 6 and right splint 8 all are equipped with the draw-in groove 10 corresponding with pipe 9.

In order to fix the shell 1 on the body of a patient conveniently, the left side and the right side of the shell 1 are both fixed with magic tapes 11.

In order to ensure the stability of the left screw cap 5 and the right screw cap 7 sliding in the shell 1 from side to side, a guide rail 12 which is horizontally arranged is fixed in the shell 1, and the left screw cap 5 and the right screw cap 7 both slide along the horizontal direction of the guide rail 12.

The heparin cap 13 is installed to pipe 9 upper end, the diameter of heparin cap 13 is greater than the diameter of draw-in groove 10, draw-in groove 10 is located the below of heparin cap 13, and then draw-in groove 10 chucking pipe 9 and support heparin cap 13, effectively prevents heparin cap 13 and pipe 9 lapse, makes heparin cap 13 be in casing 1 all the time.

And a sealing gasket 14 is arranged in the through hole to ensure the sealing property between the through hole and the guide pipe 9.

An ultraviolet disinfection lamp 15 corresponding to the heparin cap 13 is fixed in the shell 1, a battery 16 is installed on the shell 1, and the battery 16 is electrically connected with the ultraviolet disinfection lamp 15.

When the utility model is used, the indication position or position relation of the terms of front, back, left, right, up and down are based on the main view, in order to reduce the weight, the shell 1, the rotating shaft 2, the first screw rod 3, the second screw rod 4, the left screw cap 5, the left splint 6, the right screw cap 7 and the right splint 8 are all made of plastic materials, when the patient uses the central double-cavity venous catheter to dialyze, the lower end part of the central double-cavity venous catheter is kept in the body of the patient, the heparin cap 13 and part of the catheter 9 are exposed outside the body, the next dialysis use is convenient, the heparin cap 13 is exposed outside and is easy to infect and harm the health of the patient, at the moment, the heparin cap 13 is inserted into the through hole and enters the shell 1, then the sealing gasket 14 is arranged between the through hole and the catheter 9, not only the through hole can be sealed, but also the catheter 9 has a certain, the rotating shaft 2 is rotated, the rotating shaft 2 drives the first screw rod 3 and the second screw rod 4 to rotate simultaneously, the screw thread rotating directions of the first screw rod 3 and the second screw rod 4 are opposite, the first screw rod 3 drives the left screw cap 5 to slide rightwards along the guide rail 12, the second screw rod 4 drives the right screw cap 7 to slide leftwards along the guide rail 12, then the left splint 6 and the right splint 8 are drawn close to the middle position of the shell 1 simultaneously, the left splint 6 and the right splint 8 are both provided with a clamping groove 10, the heparin cap 13 is positioned above the clamping groove 10, because the diameter of the heparin cap 13 is larger than that of the clamping groove 10, the clamping groove 10 clamps the conduit 9 and plays a certain supporting role for the heparin cap 13, the heparin cap 13 is effectively prevented from moving downwards, the heparin cap 13 is always positioned in the shell 1, the shell 1 is fixed on the body of a patient by the magic tape 11, the battery 16 is switched on and switched on, ultraviolet ray disinfection lamp 15 is in the open mode, and then heparin cap 13 carries out disinfection treatment in to casing 1, guarantee that heparin cap 13 is in sterile condition always, the safe in utilization of two-chamber central venous catheter has been ensured, when needs dialysis use two-chamber central venous catheter, reversal axis of rotation 2, axis of rotation 2 drives first screw rod 3 and 4 antiport of second screw rod, and then left splint 6 and right splint 8 keep away from casing 1 central point in step and put, pipe 9 resets is kept away from to draw-in groove 10, take off sealed pad 14, can take out heparin cap 13 and partial pipe 9 from casing 1, make things convenient for medical staff to use, it is safe convenient.

The utility model discloses more traditional equipment has following benefit: 1) the left clamping plate 6 and the right clamping plate 8 are controlled to synchronously move towards the center of the shell 1 by adopting a bidirectional screw structure, the operation is convenient and rapid, the clamping groove 10 rapidly clamps the bottom of the heparin cap 13, the downward movement of the heparin cap 13 is effectively prevented, the heparin cap 13 is always positioned in the shell 1, the pollution is avoided, and the use safety of the catheter 9 is ensured; 2) and the ultraviolet disinfection lamp 15 is combined to disinfect the interior of the shell 1, so that the use safety of a patient is ensured.

The utility model discloses the structure is ingenious, easy operation, can effectively fix the pipe, can guarantee the safe in utilization of heparin cap again, and convenient to use has ensured sterile environment, has alleviateed medical staff's work burden, has reduced patient's use risk, and is safe effective, has fine market prospect.

Claims

1. The utility model provides a mouth of pipe fixing device of central venous catheter, a serial communication port, including casing (1), casing (1) internal rotation is connected with axis of rotation (2) that the level was placed, axis of rotation (2) coaxial fixation has first screw rod (3) and second screw rod (4), the screw thread of first screw rod (3) and second screw rod (4) revolves to opposite, first screw rod (3) threaded connection has left nut (5), left nut (5) lower extreme is fixed with left splint (6), second screw rod (4) threaded connection has right nut (7), right nut (7) lower extreme is fixed with right splint (8), the lower extreme of casing (1) is equipped with two through-holes, the pipe (9) have been inserted in the through-hole, left splint (6) and right splint (8) all are equipped with draw-in groove (10) corresponding with pipe (9).

2. The orifice fixing device of the central venous catheter as claimed in claim 1, wherein magic tapes (11) are fixed on the left and right sides of the housing (1).

3. The central venous catheter nozzle fixing device as claimed in claim 1, wherein a horizontally placed guide rail (12) is fixed in the housing (1), and the left nut (5) and the right nut (7) slide along the horizontal direction of the guide rail (12).

4. The device for fixing the orifice of a central venous catheter according to claim 1, characterized in that a heparin cap (13) is installed at the upper end of the catheter (9), the diameter of the heparin cap (13) is larger than that of the clamping groove (10), the clamping groove (10) is located below the heparin cap (13), and then the clamping groove (10) clamps the catheter (9) and supports the heparin cap (13), thereby effectively preventing the heparin cap (13) and the catheter (9) from sliding downwards and enabling the heparin cap (13) to be always located in the housing (1).

5. A central venous catheter orifice securement device as claimed in claim 1, characterised in that a sealing gasket (14) is fitted within the through-hole.

6. The central venous catheter nozzle fixing device as claimed in claim 1, wherein the casing (1) is internally fixed with an ultraviolet disinfection lamp (15) corresponding to the heparin cap (13), the casing (1) is provided with a battery (16), and the battery (16) is electrically connected with the ultraviolet disinfection lamp (15).