CN102068738A - Fixing safety device for transfusion and blood transfusion - Google Patents
Fixing safety device for transfusion and blood transfusion Download PDFInfo
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- CN102068738A CN102068738A CN 201010220081 CN201010220081A CN102068738A CN 102068738 A CN102068738 A CN 102068738A CN 201010220081 CN201010220081 CN 201010220081 CN 201010220081 A CN201010220081 A CN 201010220081A CN 102068738 A CN102068738 A CN 102068738A
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- floating
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Abstract
The invention discloses a fixing safety device for transfusion and blood transfusion, which comprises a floating valve, wherein the floating valve is provided with a moving rod; the two ends of the moving rod are provided with an upper floating cup piece and a lower floating cup piece respectively; the upper floating cup piece is connected with a plug piece; the floating valve floats up and down on a dropping liquid level by utilizing the buoyant force generated by the upper floating cup piece and the lower floating cup piece arranged at two ends of the moving rod; and a plug film of the plug piece stops water when the liquid level lowers. The lower floating cup piece is provided with a hollow floating body; the floating body is provided with a floating cup rim; the dropping liquid enters the hollow floating body from the floating cup rim; the plug film prevents blood returning under the pressure generated by the weight of the dropping liquid; and the upper floating cup piece is provided with the hollow floating body which is used for increasing the buoyant force of the floating valve.
Description
Technical field
The present invention relates to the improvement of a kind of transfusion and transfusion safety device, outstanding reference and a kind of fixedly safety device that is suitable for various drops.
Background technology
The existing transfusion injection device that is used to infuse or transfuse blood cooperates control valve to use in the lump in using often, with under necessary situations such as fluid infusion end or replacing Liquid dropping bottle, normally utilize control valve to stop transfusion or blood transfusion, prevent that the backflow of air admission blood vessel and blood from entering in the tube for transfusion.
Control valve includes the dropping liquid cup and the floating cup part of injection in the temporary transient storing spot drop bottle usually; float a cup part and utilize the buoyancy that dropping liquid provided in the dropping liquid cup to fluctuate in the dropping liquid cup; but existing floating cup part floats the buoyancy source of cup part usually as a whole with a buoyancy aid; when the dropping liquid cup tilts or when using or in the process of transporting; the dropping liquid cup is out of shape because of being subjected to external force; especially soft dropping liquid cup; this kind situation can make the floating floating glass of part that is stated from the dropping liquid cup normally fluctuate along with the dropping liquid liquid level variation, thereby has influence on the stagnant water effect of floating cup part.
Summary of the invention
In view of this, the applicant improves the structure of existing transfusion and transfusion safety device, the fixedly safety device of a kind of transfusion and blood transfusion is provided, the technological means that is adopted comprises a float trap, this float trap has a motion bar, and this motion bar at two ends respectively device one a come-up cup part and the glass part of floating downward is arranged, and connect a plug part by this glass part of floating downward, the upper and lower floating cup buoyancy that part produced that this float trap utilization is arranged on these motion bar two ends fluctuates in the dropping liquid liquid level, and the detent plug thin film with this plug part when liquid level descends carries out sealing.
In this case preferred embodiment, this buoyancy aid that glass part has a hollow of floating downward, and this buoyancy aid has a floating rim of a cup, and dropping liquid enters this hollow floating body by this floating rim of a cup, and this detent plug thin film prevents blood back by drop weight produces pressure.The buoyancy aid that this come-up cup part has a hollow is in order to increase the buoyancy of this float trap.
In another embodiment of this case, this come-up cup part also can be provided with an anti-bubble awl at its top.Specific embodiment of the present invention will and attachedly be graphic and be further described by following embodiment.
Description of drawings
Fig. 1 is the first embodiment of the invention three-dimensional exploded view;
Fig. 2 is the first embodiment of the invention axonometric chart;
Fig. 3 is a partly three-dimensional exploded view of first embodiment of the invention;
Fig. 3 A is a partly three-dimensional combination figure of first embodiment of the invention;
Fig. 4 uses sketch map for first embodiment of the invention;
Fig. 5 uses sketch map for first embodiment of the invention;
Fig. 6 uses sketch map for first embodiment of the invention;
Fig. 7 uses sketch map for first embodiment of the invention;
Fig. 8 uses sketch map for first embodiment of the invention;
Fig. 9 is the axonometric chart () of float trap in the first embodiment of the invention;
Fig. 9 A is the generalized section of float trap among Fig. 9 embodiment;
Figure 10 is the axonometric chart (two) of float trap in the first embodiment of the invention;
Figure 10 A is the generalized section of float trap among Figure 10 embodiment;
Figure 11 is the axonometric chart (three) of float trap in the first embodiment of the invention;
Figure 11 A is the generalized section of float trap among Figure 11 embodiment;
Figure 12 is the axonometric chart (four) of float trap in the first embodiment of the invention;
Figure 12 A is the generalized section of float trap among Figure 12 embodiment;
Figure 13 is the axonometric chart (five) of float trap in the first embodiment of the invention;
Figure 13 A is the generalized section of float trap among Figure 13 embodiment;
Figure 14 is the second embodiment of the invention three-dimensional exploded view;
Figure 15 is the second embodiment of the invention generalized section.
The specific embodiment
See also Fig. 1, Fig. 2 and Fig. 3, Fig. 3 A, be first embodiment of the invention three-dimensional exploded view and axonometric chart.One fixedly safety device 1 as shown in Figure 2, and in the dropping liquid cup 100 of hollow, be provided with float trap 10 by can be mutually dripping a cup part 20 and drip the dropping liquid cup 100 that glass part 30 is combined as a hollow once on belled one.
In present embodiment, go up to drip cup part 20 by for example: polrvinyl chloride (Polyvinylchloride, soft material or be equal to soft material and constitute such as PVC), and following cup part 30 is by for example: (Acrylonitrile Butadiene Styrene ABS) waits hard material to constitute to acrylonitrile-styrene-butadiene copolymer.
Go up to drip a cup part 20 and have a hollow and slightly be bell cup 21, cup 21 has a convex jointing part and is provided with one and stretches into a protruding adapter of dripping cup part 20 in the narrow end place, be provided with an inlet 22 in protruding adapter one end, and draw fitting 41 connections one feed tube 40 by one.Be provided with a socket part 23 in addition in the broad place, socket part 23 has an open socket 231.
The following cup 31 that cup part 30 has a hollow, cup 31 1 ends have an open socket 311, cup 31 upwardly extendingly integrates with 32 in being provided with one near socket 311 outer rim places, integrate with and 32 itself have groove 321, and go up to drip cup part 20 and directly be enclosed within 32 groove 321 places of integrating with, it is made up with following glass of part 30 be fixed as one with socket 231.
Following cup part 30 is provided with a liquid outlet 331 in blind end 33, and in liquid outlet 331 devices the portion of connecing 332 of drawing arranged, in order to the mouth of pipe 51 that is connected to a drain pipe 50.
The apical margin device that infra drips glass part 30 has a retaining collar 12, and retaining collar 12 is provided with a trepanning 121 in centre, is connected with plural collar rib 122 between retaining collar 12 and trepanning 121, forms port 123 between collar rib 122.Port 123 numbers can be single or multiple, shown in Fig. 3, Fig. 3 A, drop is splashed into by the inlet 22 of last droplet cup spare 20 easily after, enter into through port 123 and to drip a cup part 30.
Retaining collar 12 top one are extended with a top flange 124, and Access Division 1241 blocking as shown in Fig. 4, Fig. 5 that retaining collar 12 utilizes top flange 124 to extend body is fixed on down the apical margin that drips cup part 30.Before a last cup spare 20 reached following cup part 30 combinations, retaining collar 12 can be fixed on dropping liquid cup 100 inside of hollow earlier, and its fixed form is a general means, and relevant explanation is omitted.
In present embodiment, the hollow floating body 131 of the selected glass part 13 of floating downward can flow into the some dropping liquid by floating rim of a cup 1311 increases its weight, except carrying out the sealing with the detent plug thin film 142 of plug part 14, more can put the weight generation pressure of dropping liquid and help detent plug thin film 142 sealings to attach liquid outlet 331 in its hollow floating body 131, and then prevent blood back.Come-up cup part 15 itself only is a hollow floating body 151, in order to increase the buoyancy of float trap 10.
See also Fig. 4 to Fig. 8, for first embodiment of the invention is used sketch map.When reality was used, fixedly the feed tube 40 of safety device cup part 20 more than 1 was connected to a drop bottle (not shown), and infra drips feed tube 50 end equipments one injection needle 60 of glass part 30 in addition.
When infusing or transfuse blood, drop is splashed into by the inlet 22 of last droplet cup spare 20 and temporarily is stored in dropping liquid cup 100 and forms dropping liquid L, and float trap 10 utilizes the floating glass of buoyancy that part is produced that is arranged on motion bar 11 two ends in dropping liquid L, and motion bar 11 is moved toward come-up as shown in Fig. 5, Fig. 7, whole float trap 10 is upwards floated, and therefore the detent plug thin film 142 of plug part 14 also remove down the liquid outlet 331 that drips cup part 30.In present embodiment, because motion bar 11 is to penetrate in the trepanning 121 of retaining collar 12, so the domain of walker of float trap 10 in dropping liquid cup 100 is to be limited in the movable range of motion bar 11.
When closing to an end when infusing or transfusing blood, reduction along with dropping liquid L liquid level in the dropping liquid cup 100, motion bar 11 is past moving down as shown in Fig. 6, Fig. 8 thereupon, whole float trap 10 is descended, and the detent plug thin film 142 of plug part 14 can be attached to down liquid outlet 331 places of dripping cup part 30 by sealings.
See also Fig. 9 and Fig. 9 A, be another axonometric chart and the generalized section of float trap in the first embodiment of the invention, Figure 10 and Figure 10 A are the another axonometric chart and the generalized section of float trap in the first embodiment of the invention.In Fig. 9, Fig. 9 A, plug part 14A one end is provided with detent plug connecting portion 141A, and the other end directly is provided with a detent plug thin film 142A in order to the sealing attaching.In Figure 10, Figure 10 A, plug part 14B one end is provided with detent plug connecting portion 141B, and the other end extends the detent plug thin film 142B that connection one attaches in order to sealing.
In the present invention, float trap 10 can have as Figure 11, Figure 11 A the structure shown in Figure 12, Figure 12 A and Figure 13, Figure 13 A in addition.
All identical with the first embodiment relevant explanation of float trap 10C main element among float trap 10A, Figure 12 in Figure 11, Figure 11 A embodiment, the float trap 10B among Figure 12 A embodiment and Figure 13, Figure 13 A embodiment is omitted and is marked with same reference numbers, and all has the effect identical with first embodiment.
Each device has a come-up cup spare 15A and with arcuation top to have glass part 13A that floats downward of arcuation bottom to float trap 10A at two ends in motion bar 11, and each device has the come-up cup spare 15B of an anistree shape and glass part 13B that floats downward of an anistree shape at two ends and float trap 10B is in motion bar 11.
Come-up cup part 15A, 15B comprise buoyancy aid 151A, the 151B of hollow and motion bar connecting portion 152A, 152B in order to be connected with motion bar 11; Float downward glass part 13A, 13B comprises buoyancy aid 131A, the 131B of hollow and is arranged on buoyancy aid 131A, 131B plug part connecting portion 132A, 132B inner and that down extend, and buoyancy aid 131A, 131B have open floating rim of a cup 1311A, a 1311B.
As shown in Figure 13, Figure 13 A, the motion bar 11 other end devices one anti-bubble spare 16 of float trap 10C, and anti-bubble spare 16 comprises the buoyancy aid 161 of hollow and is provided with a motion bar connecting portion 162 in order to be connected with motion bar 11, and corresponding trepanning 121 positions are provided with an anti-bubble awl 163 at buoyancy aid 161 tops.Go up the drop that the inlet 22 of glass part 20 splashes into a meeting elder generation after the action of points of the anti-bubble awl 163 at float trap 10C top, enter down a glass part 30 by the port between the collar rib 122 123, in order to the generation of minimizing bubble.Also can anti-bubble awl 163 or its equivalence element be set, make a script come-up cup part 15,15A, 15B promptly equal the effect of anti-bubble spare 16 at a script come-up cup part 15,15A, 15B top.
See also Figure 14 and Figure 15, be second embodiment of the invention three-dimensional exploded view and generalized section.Main element is all identical with first embodiment in the present embodiment, and is marked with same reference numbers, and the explanation of relevant identical part is omitted, and present embodiment has the effect identical with first embodiment.Float trap 10 connects plug part 14A with glass part 13 of floating downward equally.
In second embodiment, the socket 231 of following cup part 30A cup part 20 on cup 31 outer rim correspondences is provided with a stop section 34, go up a cup part 20 and drip a glass part 30A outer rim place with socket 231 direct cover infra, and holding is fixed on the stop section 34 of cup 31, makes to drip cup part 20 and following glass of part 30 windings together.
The above only is preferred embodiment of the present invention, and is non-so promptly limit the claimed scope of claim, so the simple and easy modification and the equivalent structure that use this description and graphic content to do such as change, all should in like manner be contained in the scope of the present invention.
Claims (4)
- One kind the transfusion and the blood transfusion fixedly safety device, it is characterized in that: a float trap (10), this float trap (10) has a motion bar (11), and this motion bar (11) at two ends respectively device one a come-up cup part (15) and the glass part (13) of floating downward is arranged, and by this glass part (13) connection one plug part (14) of floating downward, the buoyancy that this float trap (10) utilizes the upper and lower floating cup part (15,13) be arranged on this motion bar (11) two ends to be produced fluctuates in the dropping liquid liquid level, and the detent plug thin film (142) with this plug part (14) when liquid level descends carries out sealing.
- 2. the fixedly safety device of transfusion according to claim 1 and blood transfusion, it is characterized in that: this glass part (13) of floating downward has the buoyancy aid (131) of a hollow, and this buoyancy aid (131) has a floating rim of a cup (1311), dropping liquid enters this hollow floating body (131) by this floating rim of a cup (1311), and this detent plug thin film (142) effectively prevents blood back by drop weight produces extra pressure.
- 3. the fixedly safety device of transfusion according to claim 1 and blood transfusion is characterized in that: the buoyancy aid (151) that this come-up cup part (15) has a hollow, and in order to increase the buoyancy of this float trap (10).
- 4. the fixedly safety device of transfusion according to claim 1 and blood transfusion is characterized in that: this come-up cup part (15) top is provided with an anti-bubble awl (163), produces in order to reduce bubble.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010220081 CN102068738A (en) | 2010-07-07 | 2010-07-07 | Fixing safety device for transfusion and blood transfusion |
| US12/923,414 US8480635B2 (en) | 2010-03-04 | 2010-09-21 | Automatic intravenous fluid flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010220081 CN102068738A (en) | 2010-07-07 | 2010-07-07 | Fixing safety device for transfusion and blood transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102068738A true CN102068738A (en) | 2011-05-25 |
Family
ID=44027618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010220081 Pending CN102068738A (en) | 2010-03-04 | 2010-07-07 | Fixing safety device for transfusion and blood transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102068738A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878567A (en) * | 2015-05-21 | 2015-09-02 | 无锡小天鹅股份有限公司 | Water level balancing device |
| CN105126191A (en) * | 2015-08-19 | 2015-12-09 | 四川普瑞斯生物科技有限公司 | Automatic exhausting, liquid-stopping and blood return-preventing drip chamber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868715A (en) * | 1997-11-13 | 1999-02-09 | Tung; Chen Chang | Intravenous metering device having automatic stopper |
| CN1663624A (en) * | 2005-03-18 | 2005-09-07 | 陈庆强 | Safety transfusion tube |
| CN2728507Y (en) * | 2004-03-11 | 2005-09-28 | 赵昂 | Medical automatic flow choking alarm transfusion system |
| CN101554501A (en) * | 2008-04-10 | 2009-10-14 | 林辉铭 | Injecta automatic controller |
-
2010
- 2010-07-07 CN CN 201010220081 patent/CN102068738A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868715A (en) * | 1997-11-13 | 1999-02-09 | Tung; Chen Chang | Intravenous metering device having automatic stopper |
| CN2728507Y (en) * | 2004-03-11 | 2005-09-28 | 赵昂 | Medical automatic flow choking alarm transfusion system |
| CN1663624A (en) * | 2005-03-18 | 2005-09-07 | 陈庆强 | Safety transfusion tube |
| CN101554501A (en) * | 2008-04-10 | 2009-10-14 | 林辉铭 | Injecta automatic controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878567A (en) * | 2015-05-21 | 2015-09-02 | 无锡小天鹅股份有限公司 | Water level balancing device |
| CN105126191A (en) * | 2015-08-19 | 2015-12-09 | 四川普瑞斯生物科技有限公司 | Automatic exhausting, liquid-stopping and blood return-preventing drip chamber |
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Application publication date: 20110525 |