CN100463698C

CN100463698C - Versatile exhausting box for blood transfusion

Info

Publication number: CN100463698C
Application number: CNB2006100897027A
Authority: CN
Inventors: 贾宇东; 秦京生
Original assignee: Individual
Current assignee: BEIJING FORERUNNER TECHNICAL DEVELOPING Co Ltd
Priority date: 2006-07-12
Filing date: 2006-07-12
Publication date: 2009-02-25
Anticipated expiration: 2026-07-12
Also published as: CN101036812A

Abstract

A universal transfusion exhaust case is characterized by including an exhaust film (1), a liquid separating case (2) and an exhaust cover (3), wherein a concave liquid separating slot (4) is arranged in parallel on the liquid separating case (2), the liquid separating case (2) and the exhaust cover (3) are involutive to clamp the exhaust film (1), and a transfusion flux adjuster is arranged at the backward position of the universal transfusion exhaust case, meanwhile the liquid separating slot (4) is arranged in parallel. The inner surface of the liquid separating case (2) is corresponding to the inner surface of the exhaust cover (3), and a whole piece of exhaust film (1) are disposed therebetween, while the inner surface of the liquid separating case (2) has the aerating and staunch nature. The invention realizes the no dead angle exhaust and prevents the exhaust film pumping back the air, and the exhaust function of a plurality of angles of each posture, ensures no exhaust dead angle, and finally overcomes the problems of dead angle pneumatosis.

Description

Versatile exhausting box for blood transfusion

Technical field

The present invention relates to the disposable infusion set in the medical apparatus and instruments, be particularly related to a kind of Versatile exhausting box for blood transfusion, prevent the generation that exhaust membrane pumpback air enters the dangerous situation of infusion pipeline again when being implemented in the gravity transfusion, realized simultaneously the degassing function of the various angles when various position again, guarantee does not have the aerofluxus dead angle to exist, and has finally overcome the problem of dead angle pneumatosis.

Technical background

Purpose of the present invention just provides a kind of Versatile exhausting box for blood transfusion, the present invention has realized preventing the generation that exhaust membrane pumpback air enters the dangerous situation of infusion pipeline again when gravity is infused, realized simultaneously the degassing function of the various angles when various position again, guarantee does not have the aerofluxus dead angle to exist, and has finally overcome the problem of dead angle pneumatosis.

Prior art comprise the number of patent application of my invention be the problem that exists in " directly membrane temperature type sensitive blood-return self-venting transfusion filter " design of 200510276096 for example: filter membrane designs in the centre, and it is outwards outstanding, make the edge have the aerofluxus dead angle to exist, under specific situation, for example, under the transfusion condition of conventional application now, the upstream medicinal liquid stops behind the infusion or raises the aerofluxus position, when making the upstream medicinal liquid no longer downstream flowing, air can take place oppositely be inhaled into the dangerous situation that continues infusion in body in the infusion pipeline; In other existing product, for example: secondary filter exhaust transfusion device that the precision filter infusion set of the accurate filter of U.S.'s bohr, Tianjin HANACO, Weihai plant macromolecule are produced or the like, what adopt all is single exhaust apertures and the single exhaust membranes of inner seal thereof on the plane, in use obviously there is the aerofluxus dead angle, and directive selection, be also that through the total more serious problems that experimental results show that flow regulator is positioned at the upstream of exhaust membrane, the dangerous problem that the aforesaid body of oppositely bleeding enters infusion pipeline in use can occur.

Summary of the invention

Purpose of the present invention just provides a kind of Versatile exhausting box for blood transfusion, the versatile exhausting that relation each other by determining each functional structure and rational position realize not having the dead angle solidly, specifically be to utilize the pressure of the upstream liquid in the gravity infusion process in normal infusion and various special transfusion, for example: point-device infuse at a slow speed condition and patient's abnormal operation and when raising transfusion point or improving tube for transfusion, all can guarantee constantly liquid in the Versatile exhausting box for blood transfusion internal duct or gas to be kept malleation under the maximum stream flow of upstream and the peak flow rate (PFR), guarantee that any moment release negative pressure can not occur, thereby the phenomenon and of bleeding when avoiding the downstream flow velocity occurring as final guarantee exhaust mode greater than upstream flow rate, at all last reasons of the bottom of infusion pipeline interception bubble that produce or that omit, tiny internal diameter owing to capillary pipeline can be divided into big bubble minimum bubble simultaneously, thereby utilizes the resistance of bubble self to stop any bubble freely to move the examination eliminating.

Technical scheme of the present invention is:

Comprise exhaust membrane (1), separatory box (2) and exhaust cap (3), there is the spill of arrangement arranged side by side to divide liquid bath (4) on the separatory box (2), the end face of the branch liquid bath (4) of separatory box (2) and the involutory folder of end face of exhaust cap (3) are every exhaust membrane (1), downstream at Versatile exhausting box for blood transfusion is provided with infusion flow adjuster, divide between the liquid bath (4) each other and column distribution, the corresponding fastening of end face of the end face inner face of separatory box (2) and exhaust cap (3), clamping therebetween is placed with the exhaust membrane (1) of a full wafer, and the exhaust membrane (1) that covers separatory box (2) inner face should have the fluid-tight character of ventilation.

Also design has spill to divide liquid bath (4) and surrounds the tube chamber of the tunnel type that forms with exhaust membrane (1) on separatory box (2), its inner chamber area of section is between 0.01 square millimeter to 100 square millimeters, the tube chamber of tunnel type is to select single pipeline and a plurality of pipeline to design side by side, purpose is to make the liquid branch liquid bath (4) of must flowing through, little bubble can depend on wall to get rid of at tiny branch liquid bath (4) at an easy rate, this process can not change because of people's position and interrupt, and the thin more exhaust effect more at most of branch liquid bath (4) arranged side by side is good more.

Described exhaust membrane (1) is hydrophobic macromolecular material manufacturing, have stop hydrone by and the function passed through of permission air molecule, thickness is between 0.01 millimeter to 5 millimeters.

Described separatory box (2) is by the transparent plastic manufacturing.

Described exhaust cap (3) is by the transparent plastic manufacturing.

The structure of exhaust membrane (1), separatory box (2) and exhaust cap (3) that structure of the present invention has been clearly, and guarantee that flow regulator (3) upstream is big caliber, and the intravenous needle connection tube of its downstream pipeline is little caliber, make fluid pressure in the liquid collecting cavity (10) of separatory box (2) all the time greater than " 0 ", avoid the problem of bleeding under the particular case; The design of the indent air discharge duct (5) of exhaust cap (3) ensures the degassing function of realizing in any direction in addition, ensures the appearance that does not have the dead angle in exhaust process.

Description of drawings

Fig. 1 is that side of the present invention is cutd open structural representation.

Fig. 2 is a cross-sectional structural representation of the present invention.

1. exhaust membranes among the figure, 2. separatory box, 3. exhaust cap, 4. minute liquid bath, 5. air discharge duct, 6. steam vent, 7. sealing strip, 8. welding edge, 9. air collecting chamber, 10. liquid collecting cavity, 11. separatory cut off, and 12. aerofluxuss cut off.

The specific embodiment

Referring to Fig. 1, the basic structure of the embodiment of this technical scheme comprises exhaust membrane (1), separatory box (2) and exhaust cap (3), there is the spill of arrangement arranged side by side to divide liquid bath (4) on the separatory box (2), branch liquid bath (4) end face of separatory box (2) and the involutory folder of end face of exhaust cap (3) are every exhaust membrane (1), divide liquid bath (4) two ends to be communicated to liquid collecting cavity (10) respectively, again with infusion pipeline be communicated with thereafter, divide between the liquid bath (4) each other and column distribution, the end face of separatory box (2) end face and exhaust cap (3) fastens face-to-face, clamping therebetween is placed with the exhaust membrane (1) of a full wafer, overall structure is 2 dimension symmetries, and assembling does not have the direction restriction.

Referring to Fig. 2, this figure is the cross-section section of Fig. 1, be each other and column distribution between the clear and definite branch liquid bath (4), there is separatory to cut off (11) therebetween, air discharge duct (5) arranged on the exhaust cap (3) and also be and column distribution, have aerofluxus to cut off (12) to each other, divide liquid bath (4) corresponding with air discharge duct (5), clamping therebetween has exhaust membrane (1).

Sketch map structure below in conjunction with Fig. 1 and Fig. 2 elaborates to 26S Proteasome Structure and Function of the present invention.

Comprise exhaust membrane (1), separatory box (2) and exhaust cap (3), there is the spill of arrangement arranged side by side to divide liquid bath (4) on the separatory box (2), the end face of the branch liquid bath (4) of separatory box (2) and the involutory folder of exhaust cap (3) end face are every exhaust membrane (1), downstream at Versatile exhausting box for blood transfusion is provided with infusion flow adjuster, divide between the liquid bath (4) each other and column distribution, separatory box (2) inner face and the corresponding fastening of exhaust cap (3) inner face, clamping therebetween is placed with the exhaust membrane (1) of a full wafer, and the corresponding surface that covers the exhaust membrane (1) of separatory box (2) inner face has the fluid-tight character of ventilation.

The Versatile exhausting box for blood transfusion serial connection is communicated with on infusion pipeline, guarantee the sufficient length of basic upstream and basic downward infusion pressure, under gravity transfusion form, flow regulator controls the flow velocity of whole pipeline and cuts out, upstream at flow regulator, no matter guarantee any attitude of the patient of liquid in infusion process or pipeline the state that is in malleation under the situation of tractive is all the time arranged, be implemented in the interior malleation that continues of pipeline and the bubble of bubble under the upstream flow in the pipeline and liquid internal generation is separated the branch liquid bath (4) of flowing through, this structure is the device of finally tackling in the pipeline by a variety of causes generation bubble, owing to adopt the capillary pipeline structure, the patient when any position or this Versatile exhausting box for blood transfusion all can naked eyes are visual when being in any locus attitude bubble formation cylindricality gas arranged side by side section, in the time of in the capillary pipeline of branch liquid bath (4) of flowing through, squeeze infusion pipeline by liquid upstream pressure by exhaust membrane (1) again.

The advantage of this 26S Proteasome Structure and Function is as follows:

1, the discharge filter of gravity infusion pipeline (1) is in the malleation exhaust condition all the time, the problem that negative pressure is bled can not occur.

2, capillary exhaustor (2) can be used as last aerofluxus guarantee, the final bubble of getting rid of in the pipeline of flowing through by a variety of causes generation under without any the situation at aerofluxus dead angle.

3, the symmetrical configuration assembling easily.

Claims

1. the Versatile exhausting box for blood transfusion that the infusion flow adjuster upstream on infusion pipeline is provided with is characterized in that: comprise exhaust membrane (1), separatory box (2) and exhaust cap (3); Having the spill of arrangement arranged side by side to divide liquid bath (4) on the separatory box (2), is that separatory cuts off (11) between each minute liquid bath (4), and each divides the two ends of liquid bath (4) to be communicated with the liquid collecting cavity (10) at separatory box (2) two ends respectively; The also air discharge duct (5) of column distribution is arranged on the exhaust cap (3), is that aerofluxus cuts off (12) between the air discharge duct (5), and the two ends of each air discharge duct (5) are communicated with the air collecting chamber (9) at exhaust cap (3) two ends respectively, have steam vent (6) to be communicated with atmosphere on the air collecting chamber (9); Separatory box (2) is placed exhaust membrane (1) with corresponding fastening of exhaust cap (3) and clamping, the hydrophobic surface of exhaust membrane (1) covers all branch liquid baths (4) of separatory box (2) inner face and the liquid collecting cavity (10) at separatory box (2) two ends, and the other one side of exhaust membrane (1) covers all air discharge ducts (5) of exhaust cap (3) inner face and the air collecting chamber (9) at exhaust cap (3) two ends.

2. Versatile exhausting box for blood transfusion according to claim 1, it is characterized in that: be communicated with infusion pipeline again behind each liquid collecting cavity (10) that divides the two ends of liquid bath (4) to be communicated with separatory box (2) respective end respectively, dividing liquid bath (4) quantity is 1 to 1000, each divides the area of section of liquid bath (4) is 0.01 square millimeter to 100 square millimeters, and length is 0.1 millimeter to 1000 millimeters.

3. Versatile exhausting box for blood transfusion according to claim 1 is characterized in that: described exhaust membrane (1) is the exhaust membrane (1) of a full wafer, exhaust membrane (1) edge and the sealing of separatory box (2) edge.

4. Versatile exhausting box for blood transfusion according to claim 1, it is characterized in that: divide the separatory partition (11) between the liquid bath (4) to cut off (12) corresponding and clamping exhaust membrane (1) with the aerofluxus of exhaust cap (3) inner face, the branch liquid bath (4) that separatory box (2) inner face is arranged side by side is corresponding with exhaust cap (3) the inner face air discharge duct of arranging (5) arranged side by side.