CN101612449B - Drop liquid/blood transfusion apparatus and safety valve thereof - Google Patents
Drop liquid/blood transfusion apparatus and safety valve thereof Download PDFInfo
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- CN101612449B CN101612449B CN2009100891039A CN200910089103A CN101612449B CN 101612449 B CN101612449 B CN 101612449B CN 2009100891039 A CN2009100891039 A CN 2009100891039A CN 200910089103 A CN200910089103 A CN 200910089103A CN 101612449 B CN101612449 B CN 101612449B
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- dropping funnel
- relief valve
- transfusion
- fixed support
- hole
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Abstract
A drop liquid/blood transfusion apparatus and a safety valve thereof solve the problems as follows: in the prior art, the safety valve is arranged in the transfusion apparatus to seal the transfusion apparatus under the actions of air pressure and liquid suction; the diameter of the safety valve is smaller than that of the transfusion apparatus; the safety valve swings left and right along with the liquid or blood in the transfusion apparatus; the safety valve can not better play the role of sealing when being positioned at the bottom of the transfusion apparatus in an inclined manner easily, thus is likely to cause irreversible harm to the lives of the patients, therefore, the safety valve with a fixed support and the drop liquid/blood transfusion apparatus are provided.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, specifically a kind of drop liquid/blood transfusion apparatus and relief valve thereof.
Background technology
Transfusion device is mainly used in to patient and carries medicinal liquid or blood, and its structure mainly comprises contact pin, upper tubing, dropping funnel, following tube for transfusion, by-pass cock and entry needle.When the transfusion device of employing said structure is infused to patient; Need doctor's expansion personnel to check the transfusion situation at any time, especially giving some old men or child transfusion, not for a long time at the residue medicinal liquid; Medical personnel then can not leave usually, finish until patient's transfusion infusion needle is extracted.If liquid exhausts, but infusion needle also in human body, so can be owing to action of negative pressure in the tube for transfusion, the blood that causes the patient refluxes or air gets in the patient body through transfusion device to tube for transfusion, thereby the patient is damaged or even dead.
In order to solve the problems of the technologies described above; In the prior art; Patent documentation CN201200719Y discloses a kind of universal protection valve of transfusion utensil, and this relief valve comprises ebonite accessory and flexible glue base, and said flexible glue base is connected the bottom of ebonite accessory; The ebonite accessory comprises the ebonite fitment body and is arranged on the ebonite accessory connecting portion of ebonite fitment body lower end that the flexible glue base is provided with the flexible glue base connecting portion that is connected with ebonite accessory connecting portion.Above-mentioned transfusion system safety valve is arranged in the transfusion device;, passes through transfusion device the effect of air pressure and liquid suction after being totally lost liquid; Relief valve can effectively seal transfusion device; Thereby occur in the time of effectively preventing to use transfusion device to infuse that blood refluxes or cause the appearance of dangerous situations such as air embolism, thrombosis to human body, reduce the generation of malpractice to greatest extent.But this technology still has following weak point: the relief valve in this technology is independent of dropping funnel and is positioned at dropping funnel; It is that effect through air pressure and liquid suction will float on transfusion device on the liquid to pressing down, and utilizes the soft religion base of relief valve bottom that tube for transfusion is sealed; In this process; Because the diameter of relief valve is littler than the diameter of dropping funnel; Relief valve continuous low and unsteady along with medicinal liquid or blood in dropping funnel; Can not play the effect of well tube for transfusion being sealed during the crank-sided bottom that is placed on infusion unit titrimeter, the situation of blood back or air admission human body will occur, patient's life is caused irremediable injury owing to negative pressure.
Summary of the invention
For this reason; Technical problem to be solved by this invention is that relief valve diameter of the prior art is littler than the diameter of dropping funnel; Relief valve is continuous low and unsteady along with medicinal liquid or blood in dropping funnel easily, is easy to tilt to be placed on the bottom of dropping funnel, can't realize the good sealing process of tube for transfusion; Thereby provide a kind of drippage of medicinal liquid or blood that do not receive to influence, can realize well tube for transfusion is sealed and has a support bracket fastened relief valve.
For solving the problems of the technologies described above; The invention provides a kind of relief valve; Said relief valve (14) places in the dropping funnel (10); It comprises the ebonite accessory (1) and the flexible glue base (6) that are formed with traveller (2), and said relief valve also comprises a fixed support (4), leakage passage (5) or said fixed support (4) is set on the said fixed support (4) is formed with leakage passage (5) when cooperating with said dropping funnel (10); Said fixed support (4) central authorities are formed with a through hole (3); The traveller of said ebonite accessory (2) passes said through hole (3) and is connected with said flexible glue base (6), and the traveller (2) of said ebonite accessory (1) is slidingly matched with said through hole (3), and the out to out of said flexible glue base (6) is greater than the out to out of said through hole (3).
Said relief valve (14) places in the dropping funnel (10) and locates near following infusion hole (16).
Said leakage passage (5) is liquid-leaking nozzle (51).
Said fixed support (4) is polygon cylinder or cylinder.
A kind of drop liquid/blood transfusion apparatus with above-mentioned relief valve; Comprise contact pin (7), upper tubing (9), dropping funnel (10), following tube for transfusion (11), by-pass cock (12), entry needle (13); Said relief valve (14) places in the dropping funnel (10) and locates near following infusion hole (16); The centrage of said ebonite accessory traveller (2) and the said centrage of tube for transfusion (11) down coincide, and said flexible glue base seals said infusion hole (16) down.
Said drop liquid/blood transfusion apparatus also comprises a filter tube (8); Said filter tube (8) is arranged between said upper tubing (9) and the said dropping funnel (10); Perhaps be arranged between said dropping funnel (10) and the said following tube for transfusion (11), be provided with strainer valve (17) in the said filter tube (8).
Technique scheme of the present invention is compared prior art and is had the following advantages:
(1) relief valve of the present invention is provided with fixed support, through entreating therein through hole is set, and the ebonite accessory matches with said flexible glue base through said through hole; And, said ebonite accessory traveller and said through hole be slidingly matched through being set; On the one hand guaranteed that the traveller of ebonite accessory can slide up and down along with transfusion liquid freely in through hole, on the other hand because through hole to the restriction of ebonite accessory connecting portion, has been avoided ebonite accessory and flexible glue base the drippage of transfusion liquid and about unsteady; And can only move up and down; Thereby can after the inner liquid of dropping funnel exhausts, directly drop to down tube for transfusion mouth of pipe place, following infusion hole is sealed; Its sealing accuracy is high, and security performance is good.
(2) relief valve of the present invention is provided with the leakage passage on fixed support, and said leakage passage guarantees liquid free-flow in container tube, and the support that is not fixed hinders; The out to out of said flexible glue base is greater than the out to out of said through hole, thereby guarantees that ebonite accessory and said flexible glue base are fixed on the fixed support, and can not fluctuate along with the liquid in the container tube and from support bracket fastened through hole disengaging fixed support.
(3) drop liquid/blood transfusion apparatus that is provided with above-mentioned relief valve of the present invention; Said relief valve places in the dropping funnel near following infusion hole place; Realize that ebonite accessory and the stable of flexible glue base slide up and down, guaranteed that the flexible glue base is to the accurate sealing of the tube for transfusion mouth of pipe down.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the explosive view of relief valve;
Fig. 2 is that relief valve is installed the cooperation sketch map;
Fig. 3 ebonite accessory connecting portion is that bucket-shaped relief valve installation cooperates sketch map with ebonite fitment body cooperation place;
Fig. 4 a is the drop liquid/blood transfusion apparatus sketch map;
Fig. 4 b is the drop liquid/blood transfusion apparatus sketch map of filter tube at last dropping funnel infra;
Fig. 4 c is that filter tube infra dropping funnel is at last drop liquid/blood transfusion apparatus sketch map;
Fig. 5 is that fixed support is the vertical view of octagonal cylinder when cooperating with dropping funnel;
Fig. 6 is that fixed support is the vertical view of pentagon cylinder when cooperating with dropping funnel;
Fig. 7 is that fixed support is the vertical view of cylinder when cooperating with dropping funnel.
Reference numeral is expressed as among the figure: 1-ebonite accessory, 2-ebonite accessory traveller, 3-through hole, 4-fixed support, 5-leakage passage; The 51-liquid-leaking nozzle, 6-flexible glue base, 7-contact pin, 8-filter tube; The 9-upper tubing, 10-dropping funnel, tube for transfusion under the 11-, 12-by-pass cock; The 13-entry needle, 14-relief valve, 15-connection tube, infusion hole under the 16-.
The specific embodiment
Be illustrated in figure 1 as the explosive view of relief valve; Said relief valve 14 places in the dropping funnel 10 that (Fig. 1 saves dropping funnel near infusion hole place down; Shown in Fig. 4 a, visible said relief valve 14 places in the dropping funnel 10), it comprises the ebonite accessory 1 and the flexible glue base 6 that are formed with traveller; Said relief valve also comprises a fixed support 4; Said fixed support 4 is formed with leakage passage 5 when cooperating with said dropping funnel 10, said fixed support 4 central authorities are formed with a through hole 3, and the traveller 2 of said ebonite accessory passes said through hole 3 and is connected with said flexible glue base 6; The traveller 2 and the said through hole 3 of said ebonite accessory 1 are slidingly matched, and the out to out of said flexible glue base 6 is greater than the out to out of said through hole 3.Sketch map after each parts that are illustrated in figure 2 as relief valve cooperatively interact, wherein, said fixed support is an octagonal cylinder, the vertical view when being illustrated in figure 5 as fixed support and being octagonal cylinder and cooperating with dropping funnel.
Be depicted as drop liquid/blood transfusion apparatus sketch map with above-mentioned relief valve 14 like Fig. 4 a; Comprise contact pin 7, upper tubing 9, dropping funnel 10, following tube for transfusion 11, by-pass cock 12, entry needle 13; Wherein contact pin 7, upper tubing 9, dropping funnel 10, following tube for transfusion 11, by-pass cock 12, entry needle 13 join successively, and said relief valve 14 places in the said dropping funnel 10 near following infusion hole place.The centrage of said ebonite accessory traveller 2 and the said centrage of tube for transfusion 11 down coincide, and 6 pairs of said infusion holes 16 down of said flexible glue base seal.
Blood gets into dropping funnel 10 through contact pin 7 through upper tubing 9 in medicine bottle herb liquid or the blood bag; Fixed support 4 is that octagonal cylinder forms leakage passage 5 when cooperating with dropping funnel 10; Therefore medicinal liquid or blood can be freely through leakage passages 5; The said ebonite accessory 1 of said flexible glue base 6 drives floats to the bottom surface of fixed support 4 when medicinal liquid in the dropping funnel 10 or blood abundance; Because the out to out of said flexible glue base 6 is greater than the out to out of said through hole 3, so ebonite accessory 1 floats with said flexible glue base 6 and can not break away from fixed supports 4 from the through hole 3 of fixed support 4, and medicinal liquid in the dropping funnel 10 or blood get into tube for transfusion 11 down through infusion hole 16 down; Through the flow of tube for transfusion 11 entering entry needles 13 under by-pass cock 12 controls, medicinal liquid or blood get in the human bodies through entry needle 13; Along with blood in medicine bottle herb liquid or the blood bag reduces at leisure when not having medicinal liquid or blood; Dropping funnel 10 still contains a certain amount of medicinal liquid or blood; Along with medicinal liquid in the dropping funnel 10 or blood continue to reduce; Said ebonite accessory 1 descends along with the decline of the horizontal plane of medicinal liquid or blood with said flexible glue base 6, flexible glue base 6 contact dropping funnels 10 bottoms when not having medicinal liquid or blood in the dropping funnel 10, and then realize that 10 pairs of said infusion holes 16 down of said flexible glue base carry out sealing process; Therefore the air in the dropping funnel 10 just can not get in the human body through tube for transfusion 11 under infusion hole 16 gets into down then.
Be illustrated in figure 3 as ebonite accessory connecting portion among Fig. 2 and ebonite fitment body cooperation place are replaced with bucket-shaped relief valve; And octagonal cylinder among the embodiment 1 is replaced with the pentagon cylinder; Fixed support as shown in Figure 6 is the vertical view of pentagon cylinder when cooperating with dropping funnel, and said relief valve is formed and cooperated with embodiment 1.
Be depicted as the drop liquid/blood transfusion apparatus sketch map of filter tube like Fig. 4 b at last dropping funnel infra; Comprise contact pin 7, upper tubing 9, filter tube 8, connection tube 15, dropping funnel 10, following tube for transfusion 11, by-pass cock 12, entry needle 13 and above-mentioned relief valve 14; Wherein contact pin 7, upper tubing 9, filter tube 8, connection tube 15, dropping funnel 10, following tube for transfusion 11, by-pass cock 12, entry needle 13 join successively; Be provided with strainer valve 17 in the said filter tube, the impurity of container herb liquid or blood is filtered.
The cylinder that has liquid-leaking nozzle that pentagon cylinder among the embodiment 2 is replaced with; Because can not produce the gap when cylinder cooperates with dropping funnel; Leakage this moment passage is a liquid-leaking nozzle 51; Fixed support 4 as shown in Figure 7 is the vertical view of cylinder when cooperating with dropping funnel 10, and said filter tube 8 and said dropping funnel 10 place-exchange, said relief valve are formed and cooperated with embodiment 1.
Be that filter tube infra dropping funnel is at last drop liquid/blood transfusion apparatus sketch map shown in Fig. 4 c; Be contact pin 7, upper tubing 9, dropping funnel 10, connection tube 15, filter tube 8, descend tube for transfusion 11, by-pass cock 12, entry needle 13 to join successively, said relief valve 14 places said dropping funnel 10.
Leakage passage described in the foregoing description also can be other shape, can realize that medicinal liquid or the blood in the dropping funnel is not got final product by the fixed support obstruction when flowing into down tube for transfusion.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (6)
1. relief valve; Said relief valve (14) places in the dropping funnel (10); It comprises the ebonite accessory (1) and the flexible glue base (6) that are formed with traveller (2); It is characterized in that: said relief valve also comprises a fixed support (4), and said fixed support cooperates with said dropping funnel, leakage passage (5) or said fixed support (4) is set on the said fixed support (4) is formed with leakage passage (5) when cooperating with said dropping funnel (10); Said fixed support (4) central authorities are formed with a through hole (3); The traveller of said ebonite accessory (2) passes said through hole (3) and is connected with said flexible glue base (6), and the traveller (2) of said ebonite accessory (1) is slidingly matched with said through hole (3), and the out to out of said flexible glue base (6) is greater than the out to out of said through hole (3).
2. relief valve according to claim 1 is characterized in that: said relief valve (14) places in the dropping funnel (10) and locates near following infusion hole (16).
3. relief valve according to claim 1 is characterized in that: said leakage passage (5) is a liquid-leaking nozzle (51).
4. relief valve according to claim 1 is characterized in that: said fixed support (4) is polygon cylinder or cylinder.
5. drop liquid/blood transfusion apparatus with the arbitrary said relief valve of claim 1～4; Comprise contact pin (7), upper tubing (9), said dropping funnel (10), following tube for transfusion (11), by-pass cock (12), entry needle (13); It is characterized in that: said relief valve (14) places in the said dropping funnel (10) and locates near following infusion hole (16); The centrage of said ebonite accessory traveller (2) and the said centrage of tube for transfusion (11) down coincide, and said flexible glue base seals said infusion hole (16) down.
6. drop liquid/blood transfusion apparatus according to claim 5; It is characterized in that: said drop liquid/blood transfusion apparatus also comprises a filter tube (8); Said filter tube (8) is arranged between said upper tubing (9) and the said dropping funnel (10); Perhaps be arranged between said dropping funnel (10) and the said following tube for transfusion (11), be provided with strainer valve (17) in the said filter tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100891039A CN101612449B (en) | 2009-08-03 | 2009-08-03 | Drop liquid/blood transfusion apparatus and safety valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100891039A CN101612449B (en) | 2009-08-03 | 2009-08-03 | Drop liquid/blood transfusion apparatus and safety valve thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101612449A CN101612449A (en) | 2009-12-30 |
| CN101612449B true CN101612449B (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100891039A Expired - Fee Related CN101612449B (en) | 2009-08-03 | 2009-08-03 | Drop liquid/blood transfusion apparatus and safety valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101612449B (en) |
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2009
- 2009-08-03 CN CN2009100891039A patent/CN101612449B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101612449A (en) | 2009-12-30 |
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| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: WANG XIANZONG Free format text: FORMER OWNER: ZHENG WANZHANG Effective date: 20111013 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20111013 Address after: 518104, No. 267-269, Wan An Road, Wan Feng Village, manholes Town, Guangdong, Shenzhen Applicant after: Wang Xianzong Address before: 518104, 267~269, Wan An Road, Wanfeng village, manholes Town, Guangdong, Shenzhen Applicant before: Zheng Wanzhang |
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| C14 | Grant of patent or utility model | ||
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Owner name: HE'NAN SHUGUANG MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: WANG XIANZONG Effective date: 20111213 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 518104 SHENZHEN, GUANGDONG PROVINCE TO: 462331 LUOHE, HENAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20111213 Address after: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee after: Henan Shuguang Jianshi Medical Equipment Group Co., Ltd. Address before: 518104, No. 267-269, Wan An Road, Wan Feng Village, manholes Town, Guangdong, Shenzhen Patentee before: Wang Xianzong |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Luohe City, Henan province 462000 Yuanhui District Riverside Metro Xiangjiang Road Patentee after: Henan Shugang Jianshi Medical Devices Group Co., Ltd. Address before: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee before: Henan Shuguang Jianshi Medical Equipment Group Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160919 Address after: 518104, No. 267-269, Wan An Road, Wan Feng Village, manholes Town, Guangdong, Shenzhen Patentee after: Wang Xianzong Address before: Luohe City, Henan province 462000 Yuanhui District Riverside Metro Xiangjiang Road Patentee before: Henan Shugang Jianshi Medical Devices Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20200803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |