CN2728507Y

CN2728507Y - Medical automatic flow choking alarm transfusion system

Info

Publication number: CN2728507Y
Application number: CN 200420035297
Authority: CN
Inventors: 赵昂
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-03-11
Filing date: 2004-03-11
Publication date: 2005-09-28
Anticipated expiration: 2014-03-11

Abstract

The utility model relates to a medical automatic flow choking alarm transfusion system, which comprises a drawing liquid needle, a Mulphy's kettle, a transfusion speed regulator, a movably connecting head and a charging needle that are orderly connected and communicated through a connecting pipe; the mulphy's kettle and the connecting pipe are transfusion pipes; the transfusion pipe is accessed with an automatic choking alarm device; the automatic choking alarm device comprises a float that is arranged in the transfusion pipe and is respectively connected with a compression joint type alarm switch and a piston type shut-off valve installed in the transfusion pipe; the alarm switch is connected with the external alarm system. The utility model has the advantages that: when the transfusion of the medicine bottle is finished, the transfusion pipe of the transfusion system is automatically cut off, and the alarm is prompted; the burden of the medical staff can be relieved by using the utility model; the probable medical negligence can be prevented because the transfusion is finished and the transfusion pipe is not cut off in time; the hidden danger is removed.

Description

Medical automatic choked flow alarm infusion apparatus

Technical field:

This utility model relates to a kind of medical instruments, particularly medical Transfusion device.

Background technology:

Existing medical Transfusion device is to be connected successively to be communicated with through connecting conduit by drawing liquid syringe needle, Murphy pot, transfusion speed actuator, activity coupling head, fluid injection syringe needle to constitute, Murphy pot and connecting conduit are liquid-transport pipe-line, the defective that has traditional transfusion device now is: when every bottle liquid medicine transfusion finishes, transfusion device can not be blocked tube for transfusion and send caution by automatic at once close transfusion device, so just bring the human body and mental burden, also bring hidden danger simultaneously to infusion treatment to medical personnel.

Summary of the invention:

The purpose of this utility model is to provide a kind of medical Transfusion device, overcome the prior art transfusion device when the medicine bottle transfusion finishes, transfusion device can not be blocked tube for transfusion and send the above-mentioned disadvantage of caution by automatic at once close transfusion device, design a kind of transfusion device, can break automatically when finishing in the medicine bottle transfusion and block tube for transfusion and send warning.

Technical solution of the present utility model is a kind of medical automatic choked flow alarm infusion apparatus, connecting connection by drawing liquid syringe needle, Murphy pot, transfusion speed actuator, activity coupling head, fluid injection syringe needle successively through connecting conduit constitutes, Murphy pot and connecting conduit are liquid-transport pipe-line, in liquid-transport pipe-line, insert an automatic reducing flow alarming device, automatic reducing flow alarming device is to connect the compression joint type alarm switch respectively and a piston type shutoff valve that is contained in the liquid-transport pipe-line constitutes by a buoyancy aid that is arranged in the liquid-transport pipe-line, and alarm switch connects with the external alert system.

Description of drawings:

Fig. 1 is medical automatic choked flow alarm infusion apparatus structural representation

Fig. 2 is an I type automatic reducing flow alarming device structural representation

Fig. 3 is an II type automatic reducing flow alarming device structural representation

Fig. 4 is an III type automatic reducing flow alarming device structural representation

The specific embodiment:

This utility model further specifies as follows in conjunction with specific embodiments referring to accompanying drawing: medical Transfusion device comprises drawing liquid syringe needle [1], Murphy pot [2], transfusion speed actuator [3], activity coupling head [4], fluid injection syringe needle [5] usually and connects the connection formation through connecting conduit [6] successively.Murphy pot [2] and connecting conduit [6] are liquid-transport pipe-line, referring to accompanying drawing 1, the medical automatic choked flow alarm infusion apparatus of this utility model is to insert one to connect the automatic reducing flow alarming device [7] that compression joint type alarm switch B and piston type shutoff valve C constitute respectively by buoyancy aid A in liquid-transport pipe-line.Alarm switch B connects with the external alert system.

The automatic reducing flow alarming device of medical automatic choked flow alarm infusion apparatus [7] is arranged on Murphy pot [2] and locates, and is divided into three types according to the concrete structure difference of its automatic reducing flow alarming device: I type, II type, III type structure.

Embodiment 1: a kind of medical automatic choked flow alarm infusion apparatus, by the drawing liquid syringe needle, Murphy pot, the transfusion speed actuator, the activity coupling head, the fluid injection syringe needle connects successively through connecting conduit and is communicated with formation, referring to accompanying drawing 1, Murphy pot and connecting conduit are liquid-transport pipe-line, insert an automatic reducing flow alarming device [7] in the liquid-transport pipe-line, it is an I type structure, referring to accompanying drawing 2, automatic reducing flow alarming device is arranged on the Murphy pot place of medical Transfusion device, compression joint type alarm switch B is contained in Murphy pot [2] top, its contact is outside kettle, on the annulus [8] of stationary contact [9] outside being set in Murphy pot [2], movable contact [10] places lever [12] one ends, lever [12] passes Murphy pot [2] wall, and the moving fulcrum [11] on the lever [12] is on kettle [2] wall, and lever [12] other end connects balance weight [13] and is loaded on middle part buoyancy aid A[14 in the kettle] top touches, buoyancy aid A[14] bottom connects with a gag [15], and gag [15] lower end and the mouth [16] that dams be common to be constituted and controls tube for transfusion and lead to, disconnected shutoff valve C.

Embodiment 2: a kind of medical automatic choked flow alarm infusion apparatus, by the drawing liquid syringe needle, Murphy pot, the transfusion speed actuator, the activity coupling head, the fluid injection syringe needle connects successively through connecting conduit and is communicated with formation, Murphy pot and connecting conduit are liquid-transport pipe-line, referring to accompanying drawing 1, insert an automatic reducing flow alarming device [7] in the liquid-transport pipe-line, it is an II type structure, referring to accompanying drawing 3, its structure is identical with embodiment 1 basically, different is, and its alarm switch B is arranged on Murphy pot [2] internal upper part position, its contact is in an insulating closed housing [17], closed housing [17] end is [20] at the bottom of the gum elastic cambered surface, the buoyancy aid A[14 of it and below] touch, an insulating median septum [22] is arranged in the closed housing [17], dividing plate [22] two ends are stretched out outside the closed housing [17] and are connected on Murphy pot [2] wall, static contact [19] is connected in dividing plate [22] top, moving contact [18] is above static contact, pass guide hole [23] on the dividing plate through insulating bar [21], be connected on the balance weight [24] of [20] internal layer at the bottom of the closed housing cambered surface, moving contact [18] can touch with static contact [19].

Embodiment 3: a kind of medical automatic choked flow alarm infusion apparatus, by the drawing liquid syringe needle, Murphy pot, the transfusion speed actuator, the activity coupling head, the fluid injection syringe needle connects successively through connecting conduit and is communicated with formation, Murphy pot and connecting conduit are liquid-transport pipe-line, insert an automatic reducing flow alarming device [7] in the liquid-transport pipe-line, it is an III type structure, referring to accompanying drawing 4, Murphy pot [29] is a C shape syphon shape body, alarm switch B contact places on the kettle outer wall, stationary contact [25] is connected on the kettle outer wall, buoyancy aid A[14 in the kettle] lower end connects with moving contact [26] through lever [28], moving fulcrum [27] on the lever [28] is on Hu Bi, lever [28] is gone up and is connected gag [15], the mouth [16] that dams is connected in kettle [29] at the end, place gag [15] below, the mouth that dams [16] connects with kettle [29] and tube for transfusion [6] and is communicated with, and gag [15] is logical with the common formation control of the mouth [16] that dams tube for transfusion, disconnected shutoff valve C.

Operation principle of the present utility model is, when conveying finishes, liquid output in the Murphy pot of transfusion device, buoyancy aid falls, and promotes the piston closes mouth that dams, and infusion pipeline is turn-offed, simultaneously buoyancy aid drives lever make progress lifting and quiet only point of movable contact is touched, make the alarm switch closure, send alarm signal, thereby realize cloudy automatically stream simultaneously and report to the police.Alarm signal is delivered to the external alert system prompt and is in time handled this transfusion device.

This utility model advantage is when the medicine bottle transfusion finishes, can block the infusion pipeline of transfusion device and alarm processing in time automatically, use it can alleviate medical personnel's human body and mental burden, simultaneously prevent from effectively to infuse to finish and in time do not turn-off the malpractice that tube for transfusion may bring, remove a hidden danger.

Claims

1, a kind of medical automatic choked flow alarm infusion apparatus, connecting connection by drawing liquid syringe needle, Murphy pot, transfusion speed actuator, activity coupling head, fluid injection syringe needle successively through connecting conduit constitutes, Murphy pot and connecting conduit are liquid-transport pipe-line, it is characterized in that inserting in the liquid-transport pipe-line automatic reducing flow alarming device constitutes, automatic reducing flow alarming device is to connect the compression joint type alarm switch respectively and a piston type shutoff valve that is contained in the liquid-transport pipe-line constitutes by a buoyancy aid that is arranged in the liquid-transport pipe-line, and alarm switch connects with the external alert system.

2, medical automatic choked flow alarm infusion apparatus according to claim 1, it is characterized in that its automatic reducing flow alarming device is arranged on the Murphy pot place of medical Transfusion device, the compression joint type alarm switch is contained in Murphy pot top, its contact is outside kettle, on the annulus of stationary contact outside being set in Murphy pot, movable contact places lever one end, lever passes the Murphy pot wall, moving fulcrum on the lever is on Hu Bi, the lever other end touches with the buoyancy aid top that is loaded on middle part in the kettle, the buoyancy aid bottom connects with a gag, the gag lower end touches with the mouth that dams, the mouth that dams is connected in the Murphy pot bottom and is communicated with Murphy pot and tube for transfusion connection, and it is logical that the gag and the mouth that dams constitute the control tube for transfusion jointly, disconnected shutoff valve.

3, medical automatic choked flow alarm infusion apparatus according to claim 1, the alarm switch that it is characterized in that it is arranged on Murphy pot internal upper part position, its contact is in an insulating closed housing, at the bottom of at the bottom of the closed housing being a gum elastic cambered surface, the buoyancy aid of it and below touches, an insulating median septum is arranged in the closed housing, the dividing plate two ends are stretched out closed housing and are connected in outward on the Murphy pot wall, static contact is connected in the dividing plate top, moving contact is above static contact, pass guide hole on the dividing plate through insulating bar, be connected at the bottom of the closed housing cambered surface on the internal layer.

4, medical automatic choked flow alarm infusion apparatus according to claim 1, it is characterized in that Murphy pot is a C shape syphon shape body, the alarm switch contact places outside the kettle, and stationary contact is connected on the kettle outer wall, and the buoyancy aid lower end connects with moving contact through lever in the kettle, moving fulcrum on the lever is on Hu Bi, connect gag on the lever, the mouth that dams places the gag below, is connected in Hu Dishang, the mouth that dams connects with kettle and tube for transfusion and is communicated with, and gag constitutes the shutoff valve of controlling the tube for transfusion switching jointly with the mouth that dams.