CN208989890U - Disposable apparatus for intravenous injection transfusion system - Google Patents

Abstract

The utility model discloses a kind of disposable apparatus for intravenous injection transfusion system, including perfusion tube, there are drop pot and governor on perfusion tube, the lower end of perfusion tube has injection needle, there is puncture outfit in the upper end of perfusion tube, and there is Y connection in the position of lower part close to the injection needle of the perfusion tube, there is cannot restrain one's anger liquid one-way conduction valve in Y connection, cross cannot restrain one's anger the conducting direction of liquid one-way conduction valve with infusion direction it is identical, the free terminal of Y connection has sterile calparine cap or Needleless seal formula connector.The disposable apparatus for intravenous injection transfusion system of the utility model reduces the risk because of pollution caused by splitting.

Description

Disposable apparatus for intravenous injection transfusion system

Technical field

The utility model relates to medical instruments field more particularly to a kind of disposable apparatus for intravenous injection transfusion system.

Background technique

Apparatus for intravenous injection transfusion system includes perfusion tube, has drop pot and governor, the lower end of perfusion tube to have injection on perfusion tube There is puncture outfit in the upper end of needle, perfusion tube.When needing intravenous (IV) drug, perfusion tube to be closed by governor, under dismantling Injection needle is connected syringe, implements intravenous injection by injection needle and perfusion tube.The mode for splitting injection needle and perfusion tube is easy to draw Play pollution.In addition, traditional apparatus for intravenous injection transfusion system does not have filter device, the rubber easy to form when puncture outfit punctures rubber stopper Clast is filled in into the liquid, glass chip is easily formed when breaking disconnected ampoule aspiration medicinal liquid into medical fluid, rubber stopper clast, glass Glass clast is easy to enter with medical fluid into the human body, to cause harm to the human body.

Utility model content

One of to solve the above-mentioned problems, the utility model provides a kind of disposable apparatus for intravenous injection transfusion system, reduces Because of the risk of pollution caused by splitting.

To achieve the above object, the utility model provides a kind of disposable apparatus for intravenous injection transfusion system, including perfusion tube, There are drop pot and governor, the lower end of perfusion tube to have injection needle on perfusion tube, there are puncture outfit, the infusion in the upper end of perfusion tube There is Y connection in the position of the lower part of pipe close to injection needle, there is cannot restrain one's anger liquid one-way conduction valve in Y connection, crosses gas not The conducting direction for crossing liquid one-way conduction valve is identical as infusion direction, and the free terminal of Y connection has sterile calparine cap or needleless Closed connector.

The upper end of the perfusion tube is connected with Y type Y connection as a further improvement of the utility model, in Y type point There are two inlet, two inlets to be separately connected a puncture outfit, have on the downside of Y type Y connection for the upside of fork-join head One liquid outlet, Y type Y connection is interior there are also micro particle filtering film, and two inlets are located at the upside of micro particle filtering film, liquid outlet Positioned at the downside of micro particle filtering film.

As the further improvement of the utility model, the Y type Y connection include upper interconnecting piece, middle interconnecting piece and Lower interconnecting piece, upper interconnecting piece, middle interconnecting piece and the lower equal boring of interconnecting piece, middle interconnecting piece and upper interconnecting piece and lower connection Portion is detachably connected, and two inlets are located at upper interconnecting piece, and liquid outlet is located at lower interconnecting piece, and micro particle filtering film is fixed on centre and connects Inside socket part.

As the further improvement of the utility model, the upper interconnecting piece, middle interconnecting piece and lower interconnecting piece are circle Column construction, middle interconnecting piece are detachably connected with upper interconnecting piece and lower interconnecting piece by screw thread.

As the further improvement of the utility model, the mistake cannot restrain one's anger liquid one-way conduction valve and Y connection one Connection, micro particle filtering film and middle interconnecting piece integrally connected.

As the further improvement of the utility model, aperture≤5 μm of the micro particle filtering film.

Compared with prior art, the disposable apparatus for intravenous injection transfusion system of the utility model has the beneficial effect that:

(1) it crosses cannot restrain one's anger liquid one-way conduction valve to be opened by the liquid-driving injected, when venous transfusion needs to be injected intravenously When, do not have to split perfusion tube and injection needle, without governor is closed, energy intravenous (IV) drug reduces because fractionation causes Pollution risk.

(2) aperture≤5 μm of micro particle filtering film 73, micro particle filtering film 73 can by 4 μm or more of particle such as rubber stopper clast, Glass chip filters out, and avoids enter into human body and causes harm to the human body.

(3) structure is simple, convenient for operation, is suitable for hospital clinical and operates.

Through the following description and in conjunction with the attached drawings, the utility model will become more fully apparent, these attached drawings are for explaining this The embodiment of utility model.

Detailed description of the invention

Fig. 1 is the schematic diagram of disposable apparatus for intravenous injection transfusion system.

Fig. 2 is the schematic diagram of Y type Y connection.

Fig. 3 is the partial sectional view of Y connection.

Specific embodiment

The embodiments of the present invention are described referring now to the drawings, similar element numbers represent similar member in attached drawing Part.

Fig. 1-3 is please referred to, the disposable apparatus for intravenous injection transfusion system includes perfusion tube 1, there is drop pot on perfusion tube 1 2 and governor 3, the lower end of perfusion tube 1 have injection needle 4, there is puncture outfit 5 in the upper end of perfusion tube 1, and the lower part of perfusion tube 1 connects There is Y connection 6 in the position of nearly injection needle, and the free terminal of Y connection 6 has sterile calparine cap or Needleless seal formula connector 7, defeated The upper end of liquid pipe 1 is connected with Y type Y connection 8.

There is cannot restrain one's anger liquid one-way conduction valve 61 in the Y connection 6, and crossed cannot restrain one's anger liquid one-way conduction valve 61 and connect Nearly sterile calparine cap or Needleless seal formula connector 7 cross the cannot restrain one's anger conducting direction of liquid one-way conduction valve 61 and infusion direction phase Together, the cannot restrain one's anger outer edge of liquid one-way conduction valve 61 and 6 integrally connected of Y connection are crossed.Cross cannot restrain one's anger liquid one-way conduction valve 61 liquid-driving by injecting is opened, and when venous transfusion needs to be injected intravenously, does not have to split perfusion tube 1 and injection needle 4, also not With governor 3 is closed, energy intravenous (IV) drug reduces the risk because of pollution caused by splitting.

There are two inlet 81, two inlets 81 to be separately connected a puncture for the upside of the Y type Y connection 8 There are a liquid outlet 82 in device 5, the downside of Y type Y connection 8, and Y type Y connection 8 is interior, and there are also micro particle filtering film 83, two feed liquors Mouth 81 is located at the upside of micro particle filtering film 83, and liquid outlet 82 is located at the downside of micro particle filtering film 83, the aperture of micro particle filtering film 83 ≤ 5 μm, micro particle filtering film 83 can filter out 4 μm or more of particle such as rubber stopper clast, glass chip, avoid enter into human body pair Human body damages.The Y type Y connection 8 includes upper interconnecting piece 8a, middle interconnecting piece 8b and lower interconnecting piece 8c, upper interconnecting piece 8a, middle interconnecting piece 8b and the equal boring of lower interconnecting piece 8c, middle interconnecting piece 8b and upper interconnecting piece 8a and lower interconnecting piece 8c can Dismantling connection can conveniently remove middle interconnecting piece 8b and be rinsed.Two inlets 81 are located at upper interconnecting piece 8a, and liquid outlet 82 In lower interconnecting piece 8c, micro particle filtering film 83 is fixed on inside middle interconnecting piece 8b, specifically, the excircle of micro particle filtering film 83 with Middle interconnecting piece 8b integrally connected.The upper interconnecting piece 8a, middle interconnecting piece 8b and lower interconnecting piece 8c are cylindrical structure, in Between interconnecting piece 8b and upper interconnecting piece 8a and lower interconnecting piece 8c be detachably connected by screw thread.

Combine most preferred embodiment that the utility model is described above, but the utility model is not limited to above take off The embodiment shown, and modification, equivalent combinations that various essence according to the present utility model carry out should be covered.

Claims (6)

1. a kind of disposable apparatus for intravenous injection transfusion system, including perfusion tube, there are drop pot and governor on perfusion tube, perfusion tube Lower end has injection needle, and there is puncture outfit in the upper end of perfusion tube, it is characterised in that: the lower part of the perfusion tube is close to injection needle There is Y connection in position, there is cannot restrain one's anger liquid one-way conduction valve in Y connection, and mistake cannot restrain one's anger liquid one-way conduction valve is led Logical direction is identical as infusion direction, and the free terminal of Y connection has sterile calparine cap or Needleless seal formula connector.

2. disposable apparatus for intravenous injection transfusion system as described in claim 1, it is characterised in that: the upper end of the perfusion tube connects Be connected to Y type Y connection, in the upside of Y type Y connection there are two inlet, two inlets be separately connected one described in wear Device is pierced, has a liquid outlet on the downside of Y type Y connection, also micro particle filtering film, two inlets are located in Y type Y connection The upside of micro particle filtering film, liquid outlet are located at the downside of micro particle filtering film.

3. disposable apparatus for intravenous injection transfusion system as claimed in claim 2, it is characterised in that: the Y type Y connection packet Interconnecting piece, middle interconnecting piece and lower interconnecting piece are included, upper interconnecting piece, middle interconnecting piece and the lower equal boring of interconnecting piece are intermediate Interconnecting piece is detachably connected with upper interconnecting piece and lower interconnecting piece, and two inlets are located at upper interconnecting piece, and liquid outlet is located at lower connection Portion, micro particle filtering film are fixed on inside middle interconnecting piece.

4. disposable apparatus for intravenous injection transfusion system as claimed in claim 3, it is characterised in that: the upper interconnecting piece, centre Interconnecting piece and lower interconnecting piece are cylindrical structure, and middle interconnecting piece is detachably connected with upper interconnecting piece and lower interconnecting piece by screw thread It connects.

5. disposable apparatus for intravenous injection transfusion system as claimed in claim 3, it is characterised in that: the mistake cannot restrain one's anger liquid is unidirectional Valve and Y connection integrally connected, micro particle filtering film and middle interconnecting piece integrally connected is connected.

6. disposable apparatus for intravenous injection transfusion system as claimed in claim 5, it is characterised in that: the hole of the micro particle filtering film Diameter≤5 μm.