CN208049125U - A kind of disposable burette type transfusion apparatus - Google Patents

Abstract

The utility model discloses a kind of disposable burette type transfusion apparatus,Including drop cylinder and safety,The centre of the drop cylinder lower surface, which is fixed to cohere, infusion tube,It is socketed with flow regulator on the infusion tube,Transparent channel is offered in the safety,The both sides in the channel, which are fixed to cohere, fixing axle,Socket rotation has baffle in the fixing axle,And the adjacent side of baffle is in contact,Angle between the baffle is designed as 30 °,The side of the baffle, which is fixed to cohere, compressed spring,The safety lower surface, which is fixed to cohere, infusion tube,The bottom end of the infusion tube is fixed by socket on injection device,The bottom end of the injection device, which is fixed to cohere, intravenous infusion needle,Side of the injection device far from intravenous infusion needle offers round straight slot,It is socketed with helmet on the outside of the intravenous infusion needle,This disposable burette type transfusion apparatus is simple in structure,Avoid the generation of blood return phenomenon,It is simple and convenient.

Description

A kind of disposable burette type transfusion apparatus

Technical field

The utility model is related to the field of medical instrument technology, specially a kind of disposable burette type transfusion apparatus.

Background technology

With the development of medical industry technology and equipment, healthcare givers to the hygienic requirements of medical instrument, performance accuracy and Application efficiency is higher and higher.Infusion apparatus is widely used in clinical transfusion.Common infusion apparatus mainly has：Bag transfusion system, drop Determine tube infusion device, precision filter infusion set, intravenous nutrition infusion apparatus, wherein bag transfusion system is most widely used, and uses frequency Rate highest.It is mainly linked in sequence and is formed by puncture outfit, liquid separation bag, flow regulator, liquid medicine filter and transfusion needle.Buret Formula infusion apparatus is then mainly connected with locking head and is formed by puncture outfit, flow regulator, drop cylinder, Y-shaped three-way pipe.

Existing device is easy to cause the generation of blood return phenomenon so that patient generates pain, and outside intravenous infusion needle It is cased with helmet, plays the role of protecting intravenous infusion needle, prevents germ contamination intravenous infusion needle, but existing helmet sealing structure Complexity, sealing effect are undesirable.

Utility model content

The purpose of this utility model is to provide a kind of disposable burette type transfusion apparatus, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions：A kind of disposable buret type infusion Device, including drop cylinder and safety, the centre of the drop cylinder lower surface, which is fixed to cohere, infusion tube, on the infusion tube It is socketed with flow regulator, transparent channel is offered in the safety, the both sides in the channel, which are fixed to cohere, to be had admittedly Dead axle, socket rotation has baffle in the fixing axle, and the adjacent side of baffle is in contact, and the angle between the baffle is designed as 30 °, the side of the baffle, which is fixed to cohere, compressed spring, and the other end of the compressed spring fixes the side wall cohered in channel On, the safety lower surface, which is fixed to cohere, infusion tube, and the bottom end of the infusion tube is fixed by socket on injection device, The bottom end of the injection device, which is fixed to cohere, intravenous infusion needle, and side of the injection device far from intravenous infusion needle offers Round straight slot, and fixed cohere has rubber pad on the side wall of round straight slot, and helmet is socketed on the outside of the intravenous infusion needle.

Preferably, the intermediate position of the drop cylinder upper surface, which is fixed to cohere, infusion tube, the top of the infusion tube Insertion is fixed with bottle plug puncture unit, and puncture outfit helmet is equipped on the side wall of the bottle plug puncture unit.

Preferably, upper and lower surface of the infusion tube respectively with drop cylinder penetrates through, and is provided with scale on the side wall of drop cylinder.

Preferably, the inside of the helmet opening, which is fixed to cohere, fixing piece, and the fixing piece is located in straight slot.

Preferably, the upper and lower side in the channel is cohered with infusion tube fixation respectively, and the size of infusion tube and channel Match.

Compared with prior art, the utility model has the beneficial effects that：This disposable burette type transfusion apparatus structure Simply：

1, by being provided with safety during liquid medicine flow, channel is offered in safety, and the two of channel Side, which is fixed, coheres and has fixing axle, and baffle is socketed in fixing axle, and be provided on the side of baffle compressed spring to baffle into Row support, when liquid flows into, liquid squeezes baffle, then so that compressed spring is shunk so that liquid medicine flow works as nothing When liquid, under the elasticity of compressed spring so that baffle sidewall is in contact, and avoids the generation of blood return phenomenon；

2, by offering straight slot on the side wall of injection device, and fixed cohere has rubber pad in straight slot so that shield Fixing piece in cap is closely contacted with rubber pad, is avoided intravenous infusion needle and is polluted, and helmet is made of flexible plastic, When being injected, the excision of helmet is carried out using the characteristic of flexible plastic, it is simple and convenient.

Description of the drawings

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the sectional view of safety in the utility model；

Fig. 3 is the partial enlarged view at A in Fig. 1.

In figure：1- drop cylinders；2- scales；3- infusion tubes；4- bottle plug puncture units；5- puncture outfit helmets；6- flow regulators； 7- safeties；8- injection devices；9- intravenous infusion needles；10- helmets；The channels 11-；12- fixing axles；13- baffles；14- compresses bullet Spring；15- fixing pieces；16- straight slots；17- rubber pads.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of disposable burette type transfusion apparatus, Including drop cylinder 1 and safety 7, the centre of 1 lower surface of the drop cylinder, which is fixed to cohere, infusion tube 3, the infusion tube 3 On be socketed with flow regulator 6, transparent channel 11 is offered in the safety 7, the both sides in the channel 11 are fixed Cohering has fixing axle 12, and socket rotation has baffle 13 in the fixing axle 12, and the adjacent side of baffle 13 is in contact, the gear Angle between plate 13 is designed as 30 °, and the side of the baffle 13, which is fixed to cohere, compressed spring 14, the compressed spring 14 it is another One end, which is fixed, coheres on the side wall in channel 11, and 7 lower surface of the safety, which is fixed to cohere, infusion tube 3, and the infusion is soft The bottom end of pipe 3 is fixed by socket on injection device 8, and the bottom end of the injection device 8, which is fixed to cohere, intravenous infusion needle 9, described Side of the injection device 8 far from intravenous infusion needle 9 offers round straight slot 16, and fixation is cohered on the side wall of round straight slot 16 There are rubber pad 17, the outside of the intravenous infusion needle 9 to be socketed with helmet 10.

The intermediate position of 1 upper surface of the drop cylinder, which is fixed to cohere, infusion tube 3, the top insertion of the infusion tube 3 It is fixed with bottle plug puncture unit 4, puncture outfit helmet 5 is installed on the side wall of the bottle plug puncture unit 4, convenient for being pierced to medicine bottle stopper It wears, and avoids germ contamination medicine bottle, upper and lower surface of the infusion tube 3 respectively with drop cylinder 1 penetrates through, and drips the side wall of cylinder 1 On be provided with scale 2, the inside of 10 opening of the helmet, which is fixed to cohere, fixing piece 15, and the fixing piece 15 is located at straight slot 16 Interior, the isolation convenient for the fixation of helmet 10 and to bacterium, the upper and lower side in the channel 11 is fixed with infusion tube 3 respectively to be sticked Knot, and infusion tube 3 and the size in channel 11 match, and are conducive to the outflow of liquid.

Operation principle：In use, penetrating the bottle stopper of medicine bottle using bottle plug puncture unit 4, stream is being adjusted using flow regulator 6 The size of amount offers channel 11, and in channel 11 by being provided with safety 7 during liquid medicine flow in safety 7 Both sides fix and cohere and have fixing axle 12, baffle 13 is socketed in fixing axle 12, and compression is provided on the side of baffle 13 Spring 14 is supported baffle 13, and when liquid flows into, liquid squeezes baffle 13, then so that compressed spring 14 is received Contracting so that liquid medicine flow, when no liquid, under the elasticity of compressed spring 14 so that 13 side wall of baffle is in contact, and avoids back The generation of blood phenomenon offers straight slot 16 on syringe, 8 side wall, and fixed cohere has rubber pad 17 in straight slot 16, makes The fixing piece 15 obtained in helmet 10 is closely contacted with rubber pad 17, is avoided intravenous infusion needle 9 and is polluted, and helmet 10 It is made of flexible plastic, when being injected, the excision of helmet 10 is carried out using the characteristic of flexible plastic, it is simple and convenient.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of disposable burette type transfusion apparatus, including drop cylinder（1）And safety（7）, it is characterised in that：The drop cylinder （1）The centre of lower surface, which is fixed to cohere, infusion tube（3）, the infusion tube（3）On be socketed with flow regulator （6）, the safety（7）Inside offer transparent channel（11）, the channel（11）Both sides fix and cohere and have fixation Axis（12）, the fixing axle（12）Upper socket rotation has baffle（13）, and baffle（13）Adjacent side be in contact, the baffle （13）Between angle be designed as 30 °, the baffle（13）Side fix and cohere and have compressed spring（14）, the compressed spring （14）The other end fixation cohere in channel（11）Side wall on, the safety（7）Lower surface, which is fixed to cohere, infusion tube （3）, the infusion tube（3）Bottom end be fixed by socket in injection device（8）On, the injection device（8）Bottom end fix it is glutinous Have intravenous infusion needle（9）, the injection device（8）Far from intravenous infusion needle（9）Side offer round straight slot（16）, and In round straight slot（16）Side wall on fixed cohere have rubber pad（17）, the intravenous infusion needle（9）Outside be socketed with helmet （10）.

2. a kind of disposable burette type transfusion apparatus according to claim 1, it is characterised in that：The drop cylinder（1） The intermediate position of upper surface, which is fixed to cohere, infusion tube（3）, the infusion tube（3）Top insertion be fixed with bottle stopper puncture Device（4）, the bottle plug puncture unit（4）Side wall on puncture outfit helmet is installed（5）.

3. a kind of disposable burette type transfusion apparatus according to claim 1, it is characterised in that：The infusion tube （3）Respectively with drop cylinder（1）Upper and lower surface perforation, and drip cylinder（1）Side wall on be provided with scale（2）.

4. a kind of disposable burette type transfusion apparatus according to claim 1, it is characterised in that：The helmet（10） The inside of opening, which is fixed to cohere, fixing piece（15）, the fixing piece（15）Positioned at straight slot（16）It is interior.

5. a kind of disposable burette type transfusion apparatus according to claim 1, it is characterised in that：The channel（11） Upper and lower side respectively with infusion tube（3）Fixation is cohered, and infusion tube（3）With channel（11）Size match.