CN213608241U

CN213608241U - Valve for CRRT replacement liquid bag

Info

Publication number: CN213608241U
Application number: CN202022229794.2U
Authority: CN
Inventors: 劳月文; 陈香萍; 李秋静; 朱美
Original assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Current assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Priority date: 2020-10-08
Filing date: 2020-10-08
Publication date: 2021-07-06
Anticipated expiration: 2030-10-08

Abstract

The utility model belongs to the technical field of medical appliances, in particular to a valve for a CRRT replacement liquid bag, which comprises a replacement liquid bag, a liquid conveying pipe and a liquid stopping valve unit; the infusion tube is arranged at the bottom of the bag for replacing liquid; the liquid stop valve unit is arranged on the infusion tube; the bottom of the replacement liquid bag is communicated with a medicine adding port; the bottom of the replacement liquid bag is communicated with a transfusion port; a joint is arranged on the transfusion port; the infusion tube is communicated with the bottom end of the infusion port; through being equipped with novel end liquid valve, can block the pipeline of output with ending the liquid valve when replacement liquid bag does not need output liquid, be provided with two support bars moreover, can tightly detain the transfer line, avoided the problem of its weeping.

Description

Valve for CRRT replacement liquid bag

Technical Field

The utility model belongs to the technical field of medical instrument, specific valve for CRRT replacement liquid sack that says so.

Background

Continuous renal replacement therapy is defined as: a blood purification treatment technology for continuously and slowly removing water and solutes in an extracorporeal circulation blood purification manner to replace the kidney function; compared with the common hemodialysis, the CRRT prolongs the blood purification treatment time and reduces the treatment efficiency in unit time, so that the influence of the solute concentration and the volume change in the blood on the organism is minimized, and a filter with high permeability and good biocompatibility is adopted; provides an extremely important homeostasis balance for the treatment of severe patients; the bag used for the replacement liquid is a polyvinyl chloride plastic transfusion soft bag with double tubes and double valves of 4000ml multiplied by 4 bags.

Most CRRT replacement liquid bags in the prior art do not have special valves like three-liter bags, and a liquid outlet of the CRRT replacement liquid bag cannot be well sealed by a common buckle after the bag is opened, so that liquid leakage occurs.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, solve most CRRT replacement liquid sack and do not possess dedicated valve like three liter bags, general buckle can't carry out good sealing to the liquid outlet of CRRT replacement liquid sack after opening the bag, and the condition that the weeping can appear appears, the utility model provides a valve for CRRT replacement liquid sack.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a valve for CRRT replacement liquid bag, which comprises a replacement liquid bag, a liquid conveying pipe and a liquid stopping valve unit; the infusion tube is arranged at the bottom of the bag for replacing liquid; the liquid stop valve unit is arranged on the infusion tube; the bottom of the replacement liquid bag is communicated with a medicine adding port; the bottom of the replacement liquid bag is communicated with a transfusion port; a joint is arranged on the transfusion port; the infusion tube is communicated with the bottom end of the infusion port.

Preferably, the liquid stop valve unit comprises a base, a grabbing plate, a pressing strip, a latch, a supporting strip, an elastic sheet, a pressing plate, a buckling tooth and an elastic sheet; the base is arranged on the infusion tube; the grabbing plate is hinged to the side end of the base; the latch is fixedly connected to the inner side wall of the grabbing plate; the pressing bar is fixedly connected to the inner side wall of the top of the grabbing plate; the supporting bars are fixedly connected to the top end of the base; the elastic sheet is hinged to the base and is arranged at the other end opposite to the grabbing plate; the buckling teeth are fixedly connected to one side of the elastic sheet far away from the supporting bar; the pressing plate is fixedly connected to one side of the elastic sheet far away from the supporting bar; the elastic sheet is fixedly connected between the base and the elastic sheet.

Preferably, the supporting bars are provided with a pair at the top of the base.

Preferably, the supporting strip is provided with a groove corresponding to the infusion tube.

Preferably, the latch is provided with a plurality of rows on the inner side wall of the grabbing plate.

Preferably, the pressing strip is fixed at the bottom of the grabbing plate at a middle position.

The utility model has the advantages that:

1. the utility model provides a valve is used to CRRT replacement liquid sack through being equipped with novel stagnant liquid valve, can block the pipeline of output with ending the liquid valve when replacement liquid sack does not need output liquid, is provided with two support bars moreover, can tightly detain the transfer line, has avoided the problem of its weeping.

2. The utility model discloses in, through be equipped with many latches on grabbing the board, can end the liquid operation to the transfer line of different thicknesses, increased the practicality of ending the liquid valve.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the stop valve of the present invention;

FIG. 3 is a side view of the stop valve of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

illustration of the drawings:

1. a bag for replacement liquid; 11. a medicine adding port; 12. an infusion port; 13. a joint; 2. a transfusion tube; 3. a liquid stop valve unit; 31. a base; 32. grabbing a plate; 33. layering; 34. clamping teeth; 35. a supporting strip; 36. a spring plate; 37. pressing a plate; 38. buckling teeth; 39. a spring plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1 to 5, the present invention provides a valve for a CRRT replacement fluid bag, which includes a replacement fluid bag 1, a fluid pipe 2 and a fluid stop valve unit 3; the infusion tube 2 is arranged at the bottom of the replacement liquid bag 1; the liquid stop valve unit 3 is arranged on the infusion tube 2; the bottom of the replacement liquid bag 1 is communicated with a medicine adding port 11; the bottom of the replacement liquid bag 1 is communicated with a transfusion port 12; a joint 13 is arranged on the transfusion port 12; the infusion tube 2 is communicated with the bottom end of the infusion port 12; the liquid stop valve unit 3 comprises a base 31, a grabbing plate 32, a pressing strip 33, a latch 34, a supporting strip 35, an elastic sheet 36, a pressing plate 37, a buckle tooth 38 and a spring sheet 39; the base 31 is arranged on the infusion tube 2; the grabbing plate 32 is hinged at the side end of the base 31; the latch 34 is fixedly connected with the inner side wall of the grabbing plate 32; the pressing bar 33 is fixedly connected to the inner side wall of the top of the grabbing plate 32; the supporting bar 35 is fixedly connected to the top end of the base 31; the elastic sheet 36 is hinged on the base 31 at the other end opposite to the gripping plate 32; the buckle teeth 38 are fixedly connected to one side of the elastic sheet 36 far away from the supporting bar 35; the pressing plate 37 is fixedly connected to one side of the elastic sheet 36 far away from the supporting bar 35; the spring piece 39 is fixedly connected between the base 31 and the spring piece 36; when the replacement liquid bag 1 is used, the medicine adding port 11 is opened firstly, medicine is added from the bottom of the medicine adding port 11, when liquid needs to be output, the connector 13 on the transfusion port 12 is rotated, the upper section and the lower section of the transfusion port are twisted off, the puncture outfit is inserted into the transfusion port 12 until the inner membrane is penetrated, at the moment, the liquid in the replacement liquid bag 1 flows to the transfusion pipe 2 from the inside of the transfusion port 12, when the replacement liquid bag 1 does not need to continuously output the liquid, the liquid stop valve unit 3 is clamped on the transfusion pipe 2, the transfusion pipe 2 is firstly placed at the groove of the supporting strip 35 in the clamping process, then the transfusion pipe 2 between the two supporting strips 35 is pressed by the pressing strip 33 combining the base 31 and the gripping plate 32, the transfusion pipe 2 is deformed, at the moment, the transfusion pipe 2 is completely sealed, when the liquid stop valve unit 3 needs to be pressed, the pressing plate 37 is ready to enable the buckling tooth 38 to be separated from the control, at this time, the grasping plate 32 can be lifted, so that the infusion tube 2 is not blocked by the pressing of the pressing strip 33, and the bag 1 for replacement fluid can be normally used for outputting fluid.

As an embodiment of the present invention, a pair of the supporting bars 35 is provided on the top of the base 31; the support bar 35 is provided with a groove corresponding to the infusion tube 2; the clamping teeth 34 are provided with a plurality of rows on the inner side wall of the grabbing plate 32; the pressing bar 33 is fixed at the bottom of the grabbing plate 32 at a middle position.

The working principle is as follows: when the replacement liquid bag 1 is used, the medicine adding port 11 is opened firstly, medicine is added from the bottom of the medicine adding port 11, when liquid needs to be output, the connector 13 on the transfusion port 12 is rotated, the upper section and the lower section of the transfusion port are twisted off, the puncture outfit is inserted into the transfusion port 12 until the inner membrane is penetrated, at the moment, the liquid in the replacement liquid bag 1 flows to the transfusion pipe 2 from the inside of the transfusion port 12, when the replacement liquid bag 1 does not need to continuously output the liquid, the liquid stop valve unit 3 is clamped on the transfusion pipe 2, the transfusion pipe 2 is firstly placed at the groove of the supporting strip 35 in the clamping process, then the transfusion pipe 2 between the two supporting strips 35 is pressed by the pressing strip 33 combining the base 31 and the gripping plate 32, the transfusion pipe 2 is deformed, at the moment, the transfusion pipe 2 is completely sealed, when the liquid stop valve unit 3 needs to be pressed, the pressing plate 37 is ready to enable the buckling tooth 38 to be separated from the control, at this time, the grasping plate 32 can be lifted, so that the infusion tube 2 is not blocked by the pressing of the pressing strip 33, and the bag 1 for replacement fluid can be normally used for outputting fluid.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. 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.

Claims

1. A valve for a CRRT replacement fluid bag, comprising: comprises a bag (1) for replacement liquid, a transfusion tube (2) and a liquid stop valve unit (3); the infusion tube (2) is arranged at the bottom of the replacement liquid bag (1); the liquid stop valve unit (3) is arranged on the infusion tube (2); the bottom of the replacement liquid bag (1) is communicated with a medicine adding port (11); the bottom of the replacement liquid bag (1) is communicated with a transfusion port (12); a joint (13) is arranged on the transfusion port (12); the infusion tube (2) is communicated with the bottom end of the infusion port (12).

2. The valve of claim 1, wherein said valve comprises: the liquid stop valve unit (3) comprises a base (31), a grabbing plate (32), a pressing strip (33), clamping teeth (34), a supporting strip (35), an elastic sheet (36), a pressing plate (37), buckling teeth (38) and a spring piece (39); the base (31) is arranged on the infusion tube (2); the grabbing plate (32) is hinged to the side end of the base (31); the latch (34) is fixedly connected with the inner side wall of the grabbing plate (32); the pressing strip (33) is fixedly connected to the inner side wall of the top of the grabbing plate (32); the supporting bar (35) is fixedly connected to the top end of the base (31); the elastic sheet (36) is hinged on the base (31) at the other end opposite to the grabbing plate (32); the buckle teeth (38) are fixedly connected to one side of the elastic sheet (36) far away from the supporting bar (35); the pressing plate (37) is fixedly connected to one side, far away from the supporting bar (35), of the elastic sheet (36); the spring piece (39) is fixedly connected between the base (31) and the elastic piece (36).

3. The valve of claim 2, wherein said valve comprises: the supporting bars (35) are provided with a pair at the top of the base (31).

4. The valve of claim 3, wherein said valve comprises: the supporting strip (35) is provided with a groove corresponding to the transfusion tube (2).

5. The valve of claim 4, wherein said valve comprises: the clamping teeth (34) are arranged in a plurality of rows on the inner side wall of the grabbing plate (32).

6. The valve of claim 5, wherein said valve comprises: the pressing strip (33) is fixedly connected to the bottom of the grabbing plate (32) and is located at the middle position.