CN201719613U

CN201719613U - Infusion apparatus capable of automatically exhausting, free of blood return and integrated with air-permeable tube

Info

Publication number: CN201719613U
Application number: CN2010202484660U
Authority: CN
Inventors: 钟永生
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-06
Filing date: 2010-07-06
Publication date: 2011-01-26
Anticipated expiration: 2020-07-06

Abstract

The utility model discloses an infusion apparatus capable of automatically exhausting, free of blood return and integrated with an air-permeable tube. The infusion apparatus comprises an upper infusion tube, a bottle-insetting needle, an air-permeable tube, a switch control valve, a Murphy dripping kettle, an exhausting unidirectional filtering valve, a lower infusion tube, a speed adjusting device and a vein needle. The air-permeable tube is parallel with a main support tube; the middle of the air-permeable tube is tightly fastened with the main support tube and can not be dissociated without being additionally put, thereby being hard to cause the pollution; the lower end of the Murphy dripping kettle is communalized with the exhausting unidirectional filtering valve; the exhausting unidirectional filtering valve consists of an exhausting tube and a unidirectional filtering valve; and the exhausting tube is provided with a plurality of sieving holes with high density, so that the air at the upper opening of the lower infusion tube is naturally exhausted out of the sieving holes to realize the automatic air exhaust when the medicine liquid downwards flows; the lower end of the infusion apparatus is communicated with the unidirectional filtering valve; the upper part of the infusion apparatus is extended into the Murphy dripping kettle; the upper part of the unidirectional filtering valve is communicated with the lower end of the exhausting pipe; the middle of the infusion apparatus is provided with a unidirectional filtering membrane; the unidirectional filtering membrane of the infusion apparatus is provided with a plurality of unidirectional and downward liquid through holes; the gas can not be downward permeable when the pressure is low; and the liquid can not be upward permeable, thereby avoiding the blood return.

Description

Automatic vent do not have blood back and with the transfusion device of permeability cell one

Technical field this utility model relates to a kind of medical apparatus and instruments, specifically be a kind of can automatic vent do not have the blood back phenomenon and with the incorporate transfusion device that can change bottle again in advance of permeability cell.

The transfusion device that background technology is used at present is by needle for inserting bottle, upper tubing, Fei Shi does not drip kettle, following tube for transfusion, filter, speed regulator and intravenous needle constitute, the net search finds that the basic structure of most technology on the regular payroll of being correlated with all is identical or similar in Patent Office, also having some to think can automatic vent, some are thought can avoid the blood back phenomenon, and do not have a kind of energy automatic vent not have the transfusion device of blood back phenomenon, and permeability cell generally all is unrelated free structure, can in medical treatment, infuse to the patient, sometimes want the many bottle liquid medicines of infusion, operating process is to be totally lost one bottle to change one bottle, nursing staff or patient need carefully observe, the prior notice nurse changes bottle when being about to be totally lost, the nurse needs punctual the processing, change bottle in advance and can cause liquid waste, the untimely bottle that changes can make liquid level drop to tube for transfusion, dealing with wastes time and energy, even may cause aeroembolism or blood back phenomenon, increase patient's misery, free permeability cell is difficult to appropriate placement when bottle replaces infusion with bag, pollute easily, therefore to use nurse and nursing staff's workload big for such transfusion device, the nursery work time is difficult to autonomous arrangement, and easily cause error and accident, the blood back phenomenon causes patient's anxiety easily, even the medical tangle that should not take place may take place.

The summary of the invention the purpose of this utility model is to address the above problem, specifically provide a kind of can automatic vent do not have the blood back phenomenon and with the incorporate transfusion device that can change bottle again in advance of permeability cell.

For achieving the above object, this utility model automatic vent do not have blood back and comprise upper tubing, needle for inserting bottle, permeability cell, switching control pilot with the transfusion device of permeability cell one, Fei Shi does not drip kettle, the unidirectional strainer valve of aerofluxus, tube for transfusion, speed regulator and intravenous needle down.

Fei Shi does not drip kettle top and is provided with dosing mouth and capping plug, usual lid is tight, open during dosing, upper tubing is branched into two-way or the above arm of two-way, every road arm is provided with a switching control pilot and respectively is connected with needle for inserting bottle, with wherein road arm is primary branch, permeability cell and primary branch are parallel, its middle part is not free with primary branch fastening cementation, its needle for inserting bottle is concordant with the primary branch needle for inserting bottle, the other end is provided with the air filtration film, the bottom of primary branch is communicated with the upper end that Fei Shi not drips kettle, the Fei Shi lower end of dripping kettle is not connected with the unidirectional strainer valve of aerofluxus, the unidirectional strainer valve of aerofluxus is made up of exhaustor and unidirectional strainer valve, exhaustor is the medical plastic pipe that has been full of sieve aperture, when the tube for transfusion past naturally sieve aperture discharge of air suitable for reading at present of the past current downflow of medicinal liquid, realize automatic vent, its lower end is connected with unidirectional strainer valve, its top extend into not, and Fei Shi drips the kettle the inside, unidirectional strainer valve is caused by medical plastic, its top is connected with the exhaustor lower end, be provided with unidirectional filter membrane up and down, unidirectional filter membrane is provided with the penetrating hole of unidirectional downward liquid, gas is downward not penetrating yet when low pressure, upwards then gas liquid is all obstructed, its lower end is communicated with following tube for transfusion top, down is followed successively by speed regulator, and intravenous needle.

Speed regulator comprises Baltimore groove and eccentric, the space of following tube for transfusion between eccentric and Baltimore groove passed through, rotate eccentric and just can control down the size of tube for transfusion flow, on eccentric limit, be provided with a prominent root that fractures easily, when speed regulator is used, rotate eccentric prominent root fracture is come off, can judge thus whether transfusion device was used, prevent that transfusion device is recovered for re-use.

When using this utility model automatic vent not have the blood back phenomenon and during with the transfusion device of permeability cell one, can select transfusion device for use by the bottle number of wanting simultaneously loading liquid with equal amount arm or two arms, if bottled medicinal liquor, plug the needle for inserting bottle of tube for transfusion and permeability cell respectively, if packed medicinal liquid, only plug the needle for inserting bottle of tube for transfusion, open the switching control pilot of one of them arm then, begin transfusion, when this bottle or bag after a medicinal liquid is totally lost, can begin defeated second bottle liquid medicine by nursing staff or the switching control pilot that has the patient oneself of ability to act to open second arm, thereby not need to notify the nurse to change bottle or bag.When in time not opening the switching control pilot of second arm after if first bottle liquid medicine is totally lost, owing to be provided with unidirectional filter membrane between about the unidirectional strainer valve of aerofluxus, liquid is penetrating to be directed downwards, gas is downward not penetrating yet when low pressure, upwards then gas liquid is all obstructed, this is the interior medicinal liquid that also has full packages of tube for transfusion at present, its pressure and blood back pressure are in poised state, just can blood back, thereby avoid occurring the blood back phenomenon, same owing to gas when low pressure is downward not penetrating yet, gas in the empty bottle can not break through blood back pressure and be continuously introduced in the blood vessel, even stop transfusion this moment, the aeroembolism phenomenon can not appear, behind the switching control pilot of opening second arm yet, because penetrating being directed downwards of liquid of unidirectional filter membrane, can infuse smoothly, in the time of the second bottle liquid medicine infusion process, can on the arm of first bottle or bag medicinal liquid, change the 3rd bottle or a bag medicinal liquid and wait continuous defeated.

Because permeability cell and primary branch are parallel, its middle part is free with primary branch fastening cementation, can solve that free permeability cell is difficult to appropriate placement, the problem that pollutes easily when bottle and bag replace infusion.

Therefore this automatic vent does not have blood back and uses with the transfusion device of permeability cell one, can reduce error and accident, reduce because the blood back phenomenon causes patient's anxiety, naturally reduce the medical tangle that generation should not take place, nurse and nursing staff's work can suitably independently be arranged, and reduces altofrequency and changes mental pressure and the labor intensity that bottle is brought.

Description of drawings

Fig. 1 for this utility model automatic vent do not have blood back and with the general illustration of the transfusion device of permeability cell one.

Fig. 2 is the sketch map of the unidirectional strainer valve of aerofluxus of the present utility model.

Fig. 3 is speed regulator of the present utility model side signal face figure.

The specific embodiment for achieving the above object, as shown in Figure 1, this utility model automatic vent do not have blood back and comprise upper tubing 1, needle for inserting bottle 2, permeability cell 3, switching control pilot 4 with the transfusion device of permeability cell one, Fei Shi does not drip kettle 5, the unidirectional strainer valve 6 of aerofluxus, tube for transfusion 7, speed regulator 8 and intravenous needle 9 down.

As Fig. 2 and shown in Figure 1, Fei Shi does not drip kettle 5 tops and is provided with dosing mouth and capping plug 13, usual lid is tight, open during dosing, upper tubing 1 is branched into two-way or the above arm of two-way, every road arm is provided with a switching control pilot 4 and respectively is connected with needle for inserting bottle 2, with wherein road arm is primary branch, permeability cell 3 is parallel with primary branch, its middle part is not free with primary branch fastening cementation, its needle for inserting bottle 2 is concordant with primary branch needle for inserting bottle 2, the other end is provided with air filtration film 14, the bottom of primary branch is communicated with the upper end that Fei Shi not drips kettle 5, the Fei Shi lower end of dripping kettle 5 is not connected with the unidirectional strainer valve 6 of aerofluxus, the unidirectional strainer valve 6 of aerofluxus is made up of exhaustor 15 and unidirectional strainer valve 16, exhaustor 15 is the medical plastic pipes that have been full of sieve aperture, its lower end is connected with unidirectional strainer valve 16, its top extend into not, and Fei Shi drips kettle 5 the insides, unidirectional strainer valve 16 is caused by medical plastic, its top is connected with exhaustor 15 lower ends, be provided with unidirectional filter membrane 17 up and down, unidirectional filter membrane 17 is provided with the penetrating hole of unidirectional downward liquid, gas is downward not penetrating yet when low pressure, upwards then gas liquid is all obstructed, its lower end is communicated with following tube for transfusion 7 tops, down is followed successively by speed regulator 8, with intravenous needle 9.

As shown in Figure 3, speed regulator 8 comprises Baltimore groove 10 and eccentric 11, the space of following tube for transfusion 7 between eccentric 11 and Baltimore groove 10 passed through, rotate eccentric 11 and just can control down the size of tube for transfusion 7 flows, on the limit of eccentric 11, be provided with a prominent root 12 that fractures easily, when speed regulator 8 is used, rotates eccentric 11 and prominent root 12 is fractureed come off, can judge thus whether transfusion device was used, prevent that transfusion device is recovered for re-use.

When using this utility model automatic vent not have the blood back phenomenon and during with the transfusion device of permeability cell one, can select transfusion device for use by the bottle number of wanting simultaneously loading liquid with equal amount arm or two arms, if bottled medicinal liquor, plug the needle for inserting bottle 2 of tube for transfusion 1 and permeability cell 3 respectively, if packed medicinal liquid, only plug the needle for inserting bottle 2 of tube for transfusion 1, open the switching control pilot 4 of one of them arm then, begin transfusion, when this bottle or bag after a medicinal liquid is totally lost, can begin defeated second bottle liquid medicine by nursing staff or the switching control pilot 4 that has the patient oneself of ability to act to open second arm, thereby not need to notify the nurse to change bottle or bag.When in time not opening the switching control pilot 4 of second arm after if first bottle liquid medicine is totally lost, between the unidirectional strainer valve of aerofluxus is about in the of 6, be provided with unidirectional filter membrane 17, liquid is penetrating to be directed downwards, gas is downward not penetrating yet when low pressure, upwards then gas liquid is all obstructed, this is the tube for transfusion 7 interior medicinal liquids that also have full packages at present, its pressure and blood back pressure are in poised state, just can blood back, thereby avoid occurring the blood back phenomenon, it is same because gas is downward not penetrating when low pressure yet, gas in the empty bottle can not break through blood back pressure and be continuously introduced in the blood vessel, even stop transfusion this moment, the aeroembolism phenomenon can not appear, behind the switching control pilot 4 of opening second arm yet, because penetrating being directed downwards of liquid of unidirectional filter membrane 17, can infuse smoothly, in the time of the second bottle liquid medicine infusion process, can on the arm of first bottle or bag medicinal liquid, change the 3rd bottle or a bag medicinal liquid and wait continuous defeated.

Because permeability cell 3 is parallel with primary branch, its middle part is free with primary branch fastening cementation, can solve bottle and bag alternately during infusion free permeability cell be difficult to appropriate placement, the problem that pollutes easily.

Therefore this automatic vent does not have the blood back phenomenon and uses with the transfusion device of permeability cell one, can reduce error and accident, reduce because the blood back phenomenon causes patient's anxiety, naturally reduce the medical tangle that generation should not take place, nurse and nursing staff's work can suitably independently be arranged, and reduces altofrequency and changes mental pressure and the labor intensity that bottle is brought.

Claims

An automatic vent do not have blood back and with the transfusion device of permeability cell one, comprise upper tubing (1), needle for inserting bottle (2), permeability cell (3), switching control pilot (4), Fei Shi does not drip kettle (5), the unidirectional strainer valve of aerofluxus (6), following tube for transfusion (7), speed regulator (8) and intravenous needle (9), it is characterized in that: the Fei Shi lower end of dripping kettle (5) is not connected with the unidirectional strainer valve of aerofluxus (6), the unidirectional strainer valve of aerofluxus (6) is made up of exhaustor (15) and unidirectional strainer valve (16), exhaustor (15) is the medical plastic pipe that has been full of sieve aperture, its lower end is connected with unidirectional strainer valve (16), its top extend into not, and Fei Shi drips kettle (5) the inside, unidirectional strainer valve (16) is caused by medical plastic, and its top is connected with exhaustor (15) lower end.
2. automatic vent according to claim 1 do not have blood back and with the transfusion device of permeability cell one, it is characterized in that: unidirectional strainer valve (16) is provided with unidirectional filter membrane (17) between up and down, and unidirectional filter membrane (17) is provided with the penetrating hole of unidirectional downward liquid.
3. automatic vent according to claim 1 do not have blood back and with the transfusion device of permeability cell one, it is characterized in that: upper tubing (1) is branched into two-way or the above arm of two-way, every road arm is provided with a switching control pilot (4) and respectively is connected with needle for inserting bottle (2), and wherein one the tunnel is primary branch.
4. automatic vent according to claim 1 do not have blood back and with the transfusion device of permeability cell one, it is characterized in that: permeability cell (3) is parallel with primary branch, its middle part is not free with primary branch fastening cementation, its needle for inserting bottle (2) is concordant with primary branch needle for inserting bottle (2), and the other end is provided with air filtration film (14).
5. automatic vent according to claim 1 do not have blood back and with the transfusion device of permeability cell one, it is characterized in that: speed regulator (8) comprises Baltimore groove (10) and eccentric (11), the space of following tube for transfusion (7) between eccentric (11) and Baltimore groove (10) passed through, and is provided with a prominent root (12) that fractures easily on the limit of eccentric (11).