CN102716535A - Self-locking disposable infusion apparatus - Google Patents
Self-locking disposable infusion apparatus Download PDFInfo
- Publication number
- CN102716535A CN102716535A CN2012102516542A CN201210251654A CN102716535A CN 102716535 A CN102716535 A CN 102716535A CN 2012102516542 A CN2012102516542 A CN 2012102516542A CN 201210251654 A CN201210251654 A CN 201210251654A CN 102716535 A CN102716535 A CN 102716535A
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- needle
- self
- transfusion
- locking
- dropping funnel
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- 238000001802 infusion Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 239000003814 drug Substances 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 231100000252 nontoxic Toxicity 0.000 claims description 5
- 230000003000 nontoxic effect Effects 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 208000014674 injury Diseases 0.000 abstract description 8
- 239000008280 blood Substances 0.000 abstract description 6
- 210000004369 blood Anatomy 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 4
- 208000012260 Accidental injury Diseases 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009340 pathogen transmission Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a self-locking disposable infusion apparatus which comprises an infusion tube. The infusion tube is provided with a puncture plug needle, a drop funnel, a flow regulator and a filter sequentially from the front end, wherein the puncture plug needle is inserted into an infusion bottle; the drop funnel is used for gathering liquid medicine; the flow regulator is used for regulating the flow rate of the liquid medicine; the filter is used for filtering impurities in the liquid medicine; an infusion needle is arranged at the tail end; and the infusion apparatus also comprises a needle head seat and a self-locking device, wherein the needle head seat is inserted in one way and covers the infusion needle head, and the self-locking device prevents the infusion needle from retreating. Furthermore, a sealing bowl type automatic sealing device is also arranged in the drop funnel of the disposable infusion device. The self-locking disposable infusion apparatus disclosed by the invention can avoid accidental injury of a human body caused by the needle head and prevent the potential safety hazard such as air suction, back blood and the like in the infusion process, and is safe and convenient to use.
Description
Technical field
The present invention relates to medical instruments field, especially, relate to a kind of self-locking disposable transfusion device.
Background technology
Disposable transfusion device is the medical treatment consumptive materials of the venous transfusion of present widespread usage.It is as shown in Figure 1 that existing traditional disposable transfusion device is formed structure, mainly forms by wearing plug pin (not shown in figure 1), dropping funnel 2, tube for transfusion 3, flow regulator 4, filter 5 and transfusion needle 6; As shown in Figure 1, the top of dropping funnel 2 is provided with feed tube (not shown in figure 1) and feed liquor base 1.This traditional disposable transfusion device does not possess the function of automatically infusion channel in the transfusion device being sealed when infusing the infusion bottle (or bag) that finishes or more renew; And, transfusion all can not possess and force to destroy function, can not prevent repeated use after finishing with syringe needle 601 coatings from pinning; Use the exposed syringe needle 601 in back just in case the people that runs over and injure very easily infect blood propagation virus (hepatitis, HIV etc.), can not prevent unexpected injury to the people.This traditional disposable transfusion device is not a disposable safe transfusion system truly, can not stop to reclaim hidden danger.
Application number is that 200320131818.4 patent documentation and application number are 200920259763.2 patent documentation; All disclose and on the basis of existing traditional disposable transfusion device, in dropping funnel 2 structures, increased the complicated spool of a cover and the structure of valve seat device; When treating that transfusion finishes or more renew infusion bottle (or bag); Infusion channel is in time sealed, prevent that air from getting into patient's intravenous or patient's blood back in infusion channel with tail washings, impacts to patient safety.These disposable transfusion devices all adopt a cover complicated spool and valve seat device to solve this problem of closed channel; But complex structure, poor reliability; Manufacturing cost is high, the test difficulty, extruding aerofluxus when this structure makes dropping funnel 2 pliability variation be unfavorable for beginning to infuse simultaneously.
Summary of the invention
The object of the invention is to provide a kind of syringe needle of avoiding to the unexpected injury of human body, self-locking disposable transfusion device safe and convenient to use, is prone to human body is caused unexpected injury and can not stop reusable technical problem to solve existing syringe needle for transfusion device exposure.
For realizing above-mentioned purpose; The invention provides a kind of self-locking disposable transfusion device; Comprise tube for transfusion; The beginning to be equiped with successively from front end of said tube for transfusion is used for inserting wearing the plug pin, being used to converge the dropping funnel of medicinal liquid, the filter that is used to regulate the flow regulator of medicinal liquid flow velocity and is used for filtering liquid medicine impurity of infusion bottle; And being provided with transfusion needle endways, said transfusion device comprises that also one is used for unidirectional insertion and coats needle holder, and the self-locking device of the handle of fixing said transfusion needle of said transfusion needle.
As further improvement of the present invention:
Said self-locking device comprise the syringe needle that is used to insert and coat said transfusion needle needle stand and can be to the unidirectional elasticity fin of pushing open and rebounding automatically of said needle stand direction; Spacing between said elasticity fin and the said needle stand is not less than the width of the handle of a said transfusion needle.
Said self-locking device also comprises the passage that supplies said transfusion needle to move to said needle stand; Said elasticity fin is located on the said passage.
Said passage is made up of the fin seat gap of being located on the said flow regulator that laying forms with the retaining fin, and said fin seat and said retaining fin all are arranged in the Way in of said needle stand; Said elasticity fin initiating terminal is located on the said fin seat, terminal stretch out and extends between said retaining fin and the said needle stand to said needle stand direction.
Offer the pin hole of the syringe needle insertion that supplies said transfusion needle on the said needle stand, said passage and said pin hole are on same axis.
Be provided with obturating cup in the said dropping funnel, the rim of a bowl of said obturating cup is towards the medicine liquid outlet setting of said dropping funnel; When in the said dropping funnel during no medicinal liquid, said medicine liquid outlet is higher than the rim of a bowl edge of said obturating cup.
The body of said dropping funnel is made up of dropping funnel tube and the seal receptacle that is set in said dropping funnel tube lower end; Said medicine liquid outlet is located at the place, axle center of said seal receptacle; Offer the U-loop groove in the outside in axle center in the said seal receptacle, said obturating cup tips upside down in the said U-loop groove.
The bowl inner height of said obturating cup is greater than the diameter of the body of said dropping funnel, and the external diameter of the rim of a bowl of said obturating cup is less than the internal diameter of the body of said dropping funnel.
The rim of a bowl edge of said obturating cup is along being circumferentially with a plurality of recessed breach that make progress (at this moment, obturating cup can be fixed in the U type annular groove).
Said obturating cup adopts soft non-toxic plastic to process.
The present invention has following beneficial effect:
1, self-locking disposable transfusion device of the present invention has adopted unidirectional insertion and coats the syringe needle of transfusion needle and stop the self-locking device of transfusion needle rollback; Can after transfusion is accomplished,, and can't extract, avoid the unexpected injury of syringe needle human body with unidirectional insertion of the syringe needle of transfusion needle and coating; And stopped the repeated use of transfusion device, the pathogen transmission and the cross infection that have stoped the repeated use of transfusion device to cause solve the recovery hidden danger of this medical waste.
2, the gap that self-locking disposable transfusion device of the present invention, self-locking device adopt fin seat and retaining fin to be provided with at interval to form is as the passage of transfusion needle to said needle stand motion, and adopts the needle stand fixed needle of having offered pin hole, and simple in structure, materials are few.In the syringe needle of the transfusion device that uses inserted pin hole, the handle that firmly makes transfusion needle was through the passage between fin seat and the retaining fin, and the elasticity fin pushed open handle is pushed aside and passed through the elasticity fin, the elasticity fin reinstatement of rebounding automatically then; When wanting to make syringe needle toward rollback, handle is blocked by the elasticity fin, and the end of elasticity fin is kept off fin and blocks, thereby syringe needle is locked in the pin hole of needle stand all the time, has avoided the unexpected injury of syringe needle to human body.
3, self-locking disposable transfusion device of the present invention is provided with obturating cup in the dropping funnel, and obturating cup tips upside down on the medicine liquid outlet; When dropping funnel had medicinal liquid, it is interior until spilling into medicine liquid outlet that medicinal liquid converges in U type groove, reached the purpose of transfusion; In dripping tube during no medicinal liquid in action of gravity lower seal bowl falls into U type groove, bowl is along inserting in the interior medicinal liquid of U type groove, when the medicinal liquid liquid level was lower than medicine liquid outlet, medicine liquid outlet no longer included medicinal liquid and exports; Simultaneously, the medicinal liquid in the U type groove is opened the gas barrier inside and outside the obturating cup, has reached the purpose of confining gas passage, can work as transfusion and accomplishing when perhaps changing dressings bottle, prevents that air admission is in blood samples of patients; Use safer convenience.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the composition structural representation of the disposable transfusion device of prior art;
Fig. 2 is the composition structural representation of the disposable transfusion device of the preferred embodiment of the present invention;
Fig. 3 is the composition structural representation of the self-locking device of the preferred embodiment of the present invention;
Fig. 4 is the composition structural representation of the transfusion needle of the preferred embodiment of the present invention;
Fig. 5 is the composition structural representation of the dropping funnel of the preferred embodiment of the present invention.
Marginal data:
1, feed liquor base; 2, dropping funnel; 3, tube for transfusion; 4, flow regulator; 5, filter; 6, transfusion needle; 601, syringe needle; 602, hands handle; 7, needle stand; 701, pin hole; 8, passage; 9, fin seat; 10, retaining fin; 11, elasticity fin; 12, obturating cup; 13, dropping funnel tube; 14, seal receptacle; 141, breach; 15, U-loop groove; 16, medicine liquid outlet.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 2, shown in Figure 3; Self-locking disposable transfusion device of the present invention; Comprise tube for transfusion 3; The beginning to be equiped with successively from front end of tube for transfusion 3 is used for inserting wearing plug pin (not shown), being used to converge the dropping funnel 2 of medicinal liquid, the filter 5 that is used to regulate the flow regulator 4 of medicinal liquid flow velocity and is used for filtering liquid medicine impurity of infusion bottle; And being provided with transfusion needle 6 endways, transfusion device comprises that also one is used for unidirectional insertion and coats syringe needle 601, and the fixing self-locking device of the handle 602 of transfusion needle 6 of transfusion needle 6.
In the present embodiment, as shown in Figure 4, transfusion needle 6 comprises syringe needle 601 and handle 602.As shown in Figure 3, self-locking device comprises the needle stand 7 of the syringe needle 601 that is used to insert and coat transfusion needle 6 and supplies the passage 8 of transfusion needle 6 to needle stand 7 motions; Passage 8 is made up of fin seat 9 gap of being located on the flow regulator 4 that 10 layings form with the retaining fin, and fin seat 9 and retaining fin 10 all are arranged in the Way in of needle stand 7.Passage 8 is provided with can be to the unidirectional elasticity fin 11 of pushing open and rebounding automatically of needle stand 7 directions; Elasticity fin 11 initiating terminals are located on the fin seat 9, and end stretches out and extends to needle stand 7 directions and keeps off between fin 10 and the needle stand 7.Spacing between elasticity fin 11 and the needle stand 7 is not less than the width of the handle 602 of a transfusion needle 6.
In the present embodiment, as shown in Figure 3, offer the pin hole 701 that the syringe needle 601 that supplies transfusion needle 6 inserts on the needle stand 7, simple in structure, materials are few.Passage 8 and pin hole 701 are on same axis.
Present embodiment use principle: after transfusion is accomplished; The syringe needle 601 of the transfusion device that uses is inserted in the pin hole 701; The handle 602 that firmly makes transfusion needle 6 is through the passage 8 between fin seat 9 and the retaining fin 10; And elasticity fin 11 pushed open handle 602 is pushed aside and through elasticity fin 11, elasticity fin 11 reinstatement of rebounding automatically then; When wanting to make syringe needle 601 toward rollback, handle 602 is blocked by elasticity fin 11, and the end of elasticity fin 11 is kept off fin 10 and blocks, thereby syringe needle 601 is locked in the pin hole 701 of needle stand 7 all the time, has avoided the unexpected injury of 601 pairs of human bodies of syringe needle.
The self-locking transfusion device of present embodiment also comprises the dropping funnel 2 with automatic solution stopping function.As shown in Figure 5, be provided with obturating cup 12 in the dropping funnel 2, the rim of a bowl of obturating cup 12 is provided with towards the medicine liquid outlet 16 of dropping funnel 2; When in the dropping funnel 2 during no medicinal liquid, medicine liquid outlet 16 is higher than the rim of a bowl edge of obturating cup 12.The body of dropping funnel 2 is made up of dropping funnel tube 13 and the seal receptacle 14 that is set in dropping funnel tube 13 lower ends, and medicine liquid outlet 16 is located at the place, axle center of seal receptacle 14, offers U-loop groove 15 in the outside in axle center in the seal receptacle 14, and obturating cup 12 tips upside down in the U-loop groove 15.
As shown in Figure 2, the top of dropping funnel 2 is provided with feed tube (not shown among Fig. 2) and feed liquor base 1.During transfusion, when dropping funnel 2 had medicinal liquid, it is interior until spilling into medicine liquid outlet 16 that medicinal liquid converges in U type groove, reached the purpose of transfusion; In dripping tube during no medicinal liquid in action of gravity lower seal bowl 12 falls into U type groove, bowl is along inserting in the interior medicinal liquid of U type groove, when the medicinal liquid liquid level was lower than medicine liquid outlet 16, medicine liquid outlet 16 no longer included medicinal liquid and exports; Simultaneously, the medicinal liquid in the U type groove is opened obturating cup 12 inside and outside gas barriers, has reached the purpose of confining gas passage, and is as shown in Figure 5, is about to obturating cup 12 external spaces shown in obturating cup 12 interior spaces shown in the A and the B and separates.Can, transfusion prevent that air admission is in blood samples of patients when accomplishing or change dressings bottle; Use safer convenience.
In the present embodiment, as shown in Figure 5, the bowl inner height of obturating cup 12 is greater than the diameter of the body of dropping funnel 2, and the external diameter of the rim of a bowl of obturating cup 12 is less than the internal diameter of the body of dropping funnel 2.Such physical dimension guarantees that obturating cup 12 can move freely and not overturn along the axial of dropping funnel tube 13, and has enough spaces between dropping funnel tube 13 and the obturating cup 12 and let the flow of liquid mistake.
In the present embodiment, the rim of a bowl edge of obturating cup 12 is along being circumferentially with a plurality of recessed breach 141 that make progress; Medicinal liquid still can pass through when assurance obturating cup 12 dropped in seal receptacle 14 grooves.As shown in Figure 5, also can convexity or breach 141 be set in the bottom of the U of seal receptacle 14 type groove, also can reach equal effect.After being provided with like this, the sealing bowl also can be fixedly mounted in the seal receptacle groove.
In the present embodiment, dropping funnel tube 13 inserts can adopt in the seal receptacles 14 and gluingly connects sealing and also can adopt method welded seals such as ultrasound wave.Obturating cup 12 adopts making such as more softish non-toxic plastic, and certain weight is arranged, hang when using let when not only having guaranteed medicinal liquid medicinal liquid smoothly through but also when guaranteeing no medicinal liquid obturating cup 12 can fall in the seal receptacle 14 and seal.During actual production, obturating cup 12 is not limited to adopt non-toxic plastic to make, as long as material nontoxic and that have certain weight.
To sum up; The self-locking disposable transfusion device of present embodiment; Self-locking device and dropping funnel 2 have been adopted simultaneously with automatic solution stopping function; Simple in structure, promptly avoided the unexpected injury of 601 pairs of human bodies of syringe needle, the repeated use of having stopped disposable transfusion device again, the pathogen transmission and the cross infection that have stoped the repeated use of disposable transfusion device to cause; And behind the use present embodiment; Even the patient falls asleep or family members or nurse are absent from the scene; Transfusion also can not occur finishes in the air admission patient vein of back or the intravenous blood of string person gets in the infusion channel; Can not stay potential safety hazard, alleviate patient, family members and nurse's worry and pressure, safety and reliability.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. self-locking disposable transfusion device; Comprise tube for transfusion (3); Said tube for transfusion (3) from front end begin to be equiped with successively be used for inserting infusion bottle wear the plug pin, be used to converge medicinal liquid dropping funnel (2), be used to regulate the flow regulator (4) of medicinal liquid flow velocity and be used for the filter (5) of filtering liquid medicine impurity; And be provided with transfusion needle (6) endways; It is characterized in that said transfusion device comprises that also one is used for unidirectional insertion and coats syringe needle (601), and the self-locking device of the handle (602) of fixing said transfusion needle (6) of said transfusion needle (6).
2. self-locking disposable transfusion device according to claim 1; It is characterized in that, said self-locking device comprise the syringe needle (601) that is used for inserting and coat said transfusion needle (6) needle stand (7) and can be to the unidirectional elasticity fin (11) of pushing open and rebounding automatically of said needle stand (7) direction; Spacing between said elasticity fin (11) and the said needle stand (7) is not less than the width of the handle (602) of a said transfusion needle (6).
3. self-locking disposable transfusion device according to claim 2 is characterized in that, said self-locking device also comprises the passage (8) that supplies said transfusion needle (6) to move to said needle stand (7); Said elasticity fin (11) is located on the said passage (8).
4. self-locking disposable transfusion device according to claim 3; It is characterized in that; Said passage (8) is laid the gap formation that forms by fin seat (9) and the retaining fin (10) be located on the said flow regulator (4), and said fin seat (9) and said retaining fin (10) all are arranged in the Way in of said needle stand (7); Said elasticity fin (11) initiating terminal is located on the said fin seat (9), terminal stretch out and extends between said retaining fin (10) and the said needle stand (7) to said needle stand (7) direction.
5. self-locking disposable transfusion device according to claim 4; It is characterized in that; Offer the pin hole (701) of syringe needle (601) insertion that supplies said transfusion needle (6) on the said needle stand (7), said passage (8) and said pin hole (701) are on same axis.
6. according to each described self-locking disposable transfusion device in the claim 1～5, it is characterized in that, be provided with obturating cup (12) in the said dropping funnel (2), the rim of a bowl of said obturating cup (12) is provided with towards the medicine liquid outlet (16) of said dropping funnel (2); When in the said dropping funnel (2) during no medicinal liquid, said medicine liquid outlet (16) is higher than the rim of a bowl edge of said obturating cup (12).
7. self-locking disposable transfusion device according to claim 6; It is characterized in that; The body of said dropping funnel (2) is made up of dropping funnel tube (13) and the seal receptacle (14) that is set in said dropping funnel tube (13) lower end; Said medicine liquid outlet (16) is located at the place, axle center of said seal receptacle (14), offers U-loop groove (15) in the outside in axle center in the said seal receptacle (14), and said obturating cup (12) tips upside down in the said U-loop groove (15).
8. self-locking disposable transfusion device according to claim 7; It is characterized in that; The bowl inner height of said obturating cup (12) is greater than the diameter of the body of said dropping funnel (2), and the external diameter of the rim of a bowl of said obturating cup (12) is less than the internal diameter of the body of said dropping funnel (2).
9. self-locking disposable transfusion device according to claim 8 is characterized in that, the rim of a bowl edge of said obturating cup (12) is along being circumferentially with a plurality of recessed breach (141) that make progress.
10. self-locking disposable transfusion device according to claim 9 is characterized in that, said obturating cup (12) adopts soft non-toxic plastic to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210251654.2A CN102716535B (en) | 2012-07-19 | 2012-07-19 | Self-locking disposable infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210251654.2A CN102716535B (en) | 2012-07-19 | 2012-07-19 | Self-locking disposable infusion apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102716535A true CN102716535A (en) | 2012-10-10 |
| CN102716535B CN102716535B (en) | 2015-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210251654.2A Expired - Fee Related CN102716535B (en) | 2012-07-19 | 2012-07-19 | Self-locking disposable infusion apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN102716535B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327419A (en) * | 2015-06-17 | 2016-02-17 | 蔡根顺 | Needle structure suitable for intravenous infusion needle and intravenous blood sampling needle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844147A (en) * | 1955-04-25 | 1958-07-22 | Cutter Lab | Segregation chamber for transfusion sets |
| US5102400A (en) * | 1985-11-20 | 1992-04-07 | Saul Leibinsohn | Drip chamber for infusion apparatus |
| CN2526012Y (en) * | 2001-12-13 | 2002-12-18 | 钟健维 | Infusion flow controller capable of containing syringe needle |
| US20040153039A1 (en) * | 2003-01-30 | 2004-08-05 | Wang Hsien Tsung | Disposable butterfly needle sheath |
| US20050148930A1 (en) * | 2003-12-31 | 2005-07-07 | Hsin-Po Hsieh | Captive cover for a hypodermic needle of an intravenous (IV) tube assembly |
-
2012
- 2012-07-19 CN CN201210251654.2A patent/CN102716535B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844147A (en) * | 1955-04-25 | 1958-07-22 | Cutter Lab | Segregation chamber for transfusion sets |
| US5102400A (en) * | 1985-11-20 | 1992-04-07 | Saul Leibinsohn | Drip chamber for infusion apparatus |
| CN2526012Y (en) * | 2001-12-13 | 2002-12-18 | 钟健维 | Infusion flow controller capable of containing syringe needle |
| US20040153039A1 (en) * | 2003-01-30 | 2004-08-05 | Wang Hsien Tsung | Disposable butterfly needle sheath |
| US20050148930A1 (en) * | 2003-12-31 | 2005-07-07 | Hsin-Po Hsieh | Captive cover for a hypodermic needle of an intravenous (IV) tube assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327419A (en) * | 2015-06-17 | 2016-02-17 | 蔡根顺 | Needle structure suitable for intravenous infusion needle and intravenous blood sampling needle |
| CN105327419B (en) * | 2015-06-17 | 2018-12-21 | 洪铭婉 | It is a kind of suitable for intravenous infusion needle and the needle head structure of vein blood taking needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102716535B (en) | 2015-02-11 |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhong Bo Inventor after: Zhong Jingyou Inventor before: Zhong Bo |
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Granted publication date: 20150211 |