CN201324369Y - Self-contraction transfusion bottle bag without producing negative pressure during transfusion - Google Patents
Self-contraction transfusion bottle bag without producing negative pressure during transfusion Download PDFInfo
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- CN201324369Y CN201324369Y CNU2008202228741U CN200820222874U CN201324369Y CN 201324369 Y CN201324369 Y CN 201324369Y CN U2008202228741 U CNU2008202228741 U CN U2008202228741U CN 200820222874 U CN200820222874 U CN 200820222874U CN 201324369 Y CN201324369 Y CN 201324369Y
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- bottle bag
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- constriction
- bottle
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Abstract
The utility model discloses a self-contraction transfusion bottle bag without producing negative pressure during transfusion, which pertains to a container which has a fixed shape and can release all the liquid therein without being injected with gas; the self-contraction transfusion bottle bag comprises a bottle bag body, a bottle bag opening and a bottle bag bottom which are of fixed shapes and respectively arranged at the two ends of the bottle bag body; the height of the middle annular area between the two ends accounts for a half to four fifths of the total height of the bottle bag body; the local annular area of the bottle bag body is the main self-contracting part of the bottle bag body; the main self-contracting part has an elliptical cross section; the bottle bag wall of the main self-contracting part is provided with one or more thin wall self-contracting rings; and the length ratio between the long shaft and the short shaft of the ellipse of the cross section of the main self-contracting part is 1.00 to 0.20-0.90. As the thin wall self-contracting rings can not be pressed to be completely closed by the atmospheric pressure and the inner cavity of the bottle bag is always a fully circulating volume space, no negative pressure can be generated in the inner cavity of the bottle bag and no blood return happens, thereby ensuring normal transfusion.
Description
Technical field
This utility model belongs to the liquid container technical field, and what relate to particularly not that in container input gas also can all discharge liquid in containers can figurate container.
Background technology
In order to make infusion bottle in infusion process, in bottle, import air without muffler, Chinese patent 200420036457.X " infusion bottle " discloses and has a kind ofly reduced the long-pending infusion bottle of self-constriction bottle bag inner hollow body with liquid in the bottle, this infusion bottle is made by soft material, it comprises: a body, and the bottleneck and the bottle bag end that is arranged on this body bottom that are arranged on this body top, this body is provided with guiding rib, be provided with shoulder between this body and this bottleneck, this guiding rib is by extending to this shoulder at the bottom of this bottle bag, the cross section of this infusion bottle is oval, and the bottle wall outer surface of this body flushes with at the bottom of this shoulder and this bottle bag, this body is respectively equipped with two these guiding ribs on the both sides bottle wall on this oval cross section minor axis direction, lay respectively at adjacent two guiding ribs on this both sides bottle wall with respect to the longitudinal section symmetry by this body oval cross section major diameter direction.This infusion bottle need not use the return-air pin when transfusion, liquid can all flow automatically totally in the bottle, and in infusion process, body is contraction distortion equably in a certain direction, and body twisted phenomena can not occur, can be at short notice with the drain stably of constant speed substantially.But this self-constriction infusion bottle is very easy when the beginning self-constriction, a bottle bag mouth of the relative sealing state of one-tenth and a bottle bag end, be divided into liquid and be difficult for unimpeded two parts in the middle of bottle, make the bottle bag inner chamber of bottle bag opening part may produce to a certain degree negative pressure, blood back occurs, influence normal infusion.
200420031825.1 " from the discharge opeing infusion bottle " discloses a kind of bottle cross section for oval, bottle is similar to fusiform bottle along the vertical section of major diameter direction, bottle middle part wall thickness is less than the top and the bottom wall thickness, the middle part wall thickness divides oval major diameter wall ratio minor axis wall thickness thicker, during the transfusion distortion, oval two major parts are inhaled towards the centre, very easy in bottle middle part sealing medicine liquid channel, a bottle bag mouth of the relative sealing state of one-tenth and a bottle bag end, be divided into liquid and be difficult for unimpeded two parts in the middle of bottle, make the bottle bag inner chamber of bottle bag opening part may produce to a certain degree negative pressure, blood back occurs, influence normal infusion." from the discharge opeing infusion bottle " disclosed infusion bottle middle part non-circular cross-section minor axis wall thick 0.1-0.2mm in position, the thick 0.2-0.3mm in major diameter wall position, the thick 0.2-0.5mm in other position.But do not point out the division at minor axis wall position and major diameter wall position, it discloses insufficient.
Summary of the invention
The purpose of this utility model provides when transfusion, can flow out the volume that the infusion bottle bag carries out bottle bag with medicinal liquid is shunk by atmospheric pressure automatically, sky communicates again fully in the bottle bag, the liquid of adorning can all flow to the infusion bottle bag of bottle bag mouth, can not produce the infusion bottle bag of negative pressure in the infusion process.
Infusion bottle bag of the present utility model all possesses the figurate feature of conventional bottle when not having dress and medicinal liquid is housed, and when infusing promptly from bottle bag outflow medicinal liquid, prodigiosin is by the feature of atmospheric pressure retraction volume again, this utility model is called the bottle bag, be because have the solid shape feature of bottle when liquid is housed, have the feature that can be compressed volume during transfusion.Structure of the present utility model is not limited to be used in the infusion vessel field, also can be used for other liquid container or container.
Design of the present utility model is: the ratio of selecting infusion bottle bag cross section long axis of ellipse and minor axis, and the vertical Thickness Distribution of bottle bag wall thickness of selecting the ratio of suitable this major axis and minor axis, in the time of could infusing self-constriction, make ellipse or similar oval two major parts bottle bag wall when inhale the centre, can be at bottle middle part sealing medicine liquid channel, bottle bag mouth and bottle bag end liquid are unimpeded, can normal infusion.
Oval implication described in the utility model is: at empty bottle bag state, and the interior empty air that has naturally of bottle bag, when sky and bottle bag outside were in the same pressure state in the bottle bag, the cross-section of described in the utility model bottle of bag middle part was in ellipticalness.This elliptical shape is two the virtual major axis hanging down mutually through central point and the set of the unequal many ellipses of minor axis length.The graphics track of oval sealing is level and smooth, and a pair of symmetric substantially outer convex microcephaly visuals is arranged.This elliptical orbit might meet elliptic equation a certain of mathematics, also might not meet the elliptic equation of any mathematics.Naked eyes are intuitively observed, and this ellipse has a pair of symmetric substantially outer convex microcephaly visuals at least, and a pair of symmetric substantially major part visuals also can be arranged.What the major part visuals of described ellipse had three kinds of states all belongs to ellipse described in the utility model:
The major part visuals of first kind of ellipse is to protrude to bottle bag outer arcuate;
The major part visuals of second kind of ellipse is a slight arc-shaped recess in the bottle bag;
The third oval major part visuals is to be in line substantially, the similar endless track with sports ground of this ellipse.
Structure of the present utility model is: the self-constriction infusion bottle bag that does not produce negative pressure during transfusion, comprise the bottle bag mouth of bottle bag and bottle bag two ends fixed in shape and the bottle bag end of fixed in shape, is two ends with the bottle bag mouth with a bottle bag end, annular ring with the middle, two ends is the center, the intermediate annular collar region accounts for the self-constriction main position of the bottle bag annular regional area of bottle bag two ends total height 1/2-4/5 for the bottle bag, the main position of self-constriction cross section is oval, and the bottle bag mouth of fixed in shape is inserted transfusion needle during as transfusion and provided fixed passage for trickle.The bottle bag end of fixed in shape as perfusion, transportation, transfusion before operation make the infusion bottle bag can axial base plate.If bottle bag cross section is circular, when distortion, deformation place is difficult for determining, its randomness distortion is not attractive in appearance, so the bottle bag cross section of this utility model choosing is oval, be convenient to the contraction distortion of bottle bag when transfusion and the distortion guide effect can be arranged, of the present utility model being characterised in that: the bottle bag wall at the main position of self-constriction is provided with one or more thin-walled self-constriction circles, and the ratio of oval-shaped long axis length of the main position of self-constriction cross section and minor axis length is 1.00: 0.20～0.90.Because the heavy wall position of the wall of bottle bag can support to ellipsoid when liquid is housed.During transfusion, when then thin-walled self-constriction circle is by the inside compressive strain of atmospheric pressure, the ellipse at the heavy wall position of wall can support thin-walled self-constriction circle and not exclusively seal, though and make in the whole liquid bottle bag empty have dwindle, but each position is still unimpeded up and down, can not make bottle bag opening part produce negative pressure, blood back occur, influence the phenomenon of normal infusion.
When guaranteeing to infuse, the infusion bottle bag can shrink the volume that needs, but each position is still unimpeded up and down for sky in the whole liquid bottle bag; the bottle bag wall thickness of thin-walled self-constriction circle is 0.1～0.4mm; the bottle bag wall thickness at bottle bag wall maximum ga(u)ge position is 0.2～2.5mm, and varied in thickness is to seamlessly transit between thin-walled self-constriction circle and the bottle bag wall maximum ga(u)ge position.
Generally preferably: do not produce the self-constriction infusion bottle bag of negative pressure during for some concrete transfusions, thin-walled self-constriction circle is the bottle bag wall ratio bottle bag wall maximum ga(u)ge position wall thickness 0.2-0.8mm at thin position.
The thinnest position of thin-walled self-constriction circle is 5～200mm with distance between the bottle bag wall maximum ga(u)ge position of facing mutually.This thin-walled and heavy wall design the infusion bottle bag that is applicable to PE plastics, PP plastics, PVC plastics or their material modified and Composite Preparation at interval.
In the ratio of the oval-shaped long axis length of bottle bag cross section and minor axis length is 1.00: 0.20～0.90 ratio, and the oval-shaped long axis length scope of bottle bag cross section of generally adorning 20ml～2000ml is 50～300mm, and the minor axis length scope is 10～270mm.
Main design content of the present utility model is that major axis, minor axis ratio 1.00: 0.20～0.90 scope that bottle bag middle part accounts for the main position of the self-constriction elliptical shape of total bottle of bag 1/2-4/5 are determined, the preferred oval-shaped long axis length of the main position of self-constriction cross section is 1.00: 0.20～0.50 with the ratio of minor axis length.Most preferably cross section oval-shaped long axis length in the main position of self-constriction is 1.00: 0.25 with the ratio of minor axis length.Major axis, this ratio of minor axis are applicable to the bottle bag of 20ml-2000ml, and the bottle bag wall thickness of thin-walled self-constriction circle is 0.1～0.4mm, the bottle bag wall thickness at bottle bag wall maximum ga(u)ge position is 0.2～2.5mm, and varied in thickness is to seamlessly transit between thin-walled self-constriction circle and the bottle bag wall maximum ga(u)ge position.
Advantage of the present utility model: when not having dress and medicinal liquid is housed, all possess the figurate feature of conventional bottle, and when infusing, possess again by the feature of atmospheric pressure retraction volume promptly from bottle bag outflow medicinal liquid.At the empty bottle bag or when medicinal liquid is housed, the infusion bottle bag that this utility model provides can be upright as conventional bottle, has than fixed shape, conveniently pack into medicinal liquid and medicinal liquid is housed after the preceding operation of medical workers of transportation, storage, transfusion.And when transfusion, can with medicinal liquid flow out the bottle bag volume and inwardly contraction distortion to reduce the bottle bag long-pending, and making that sky is the volumetric spaces of a current global mechanism all the time in the bottle bag, sky can not stop up into two or more chambers to the interior sky of bottle bag because of bottle bag wall inwardly shrinks in the bottle bag.
Because this utility model is to establish to assist by the thin-walled self-constriction circle of atmospheric pressure retraction volume on bottle bag cross section, and there is the thicker up and down bottle bag wall of thin-walled self-constriction circle to support, make thin-walled self-constriction circle can be pressed onto the complete closed state by atmosphere, sky is the volumetric spaces of a current global mechanism all the time in the bottle bag, then sky can not produce negative pressure in the bottle bag, blood back can not occur, guarantee normal infusion.
The utility model discloses infusion bottle bag cross section transverse (or claiming major diameter) and the minor axis ratio of (or claiming minor axis), and disclose bottle bag vertical varying cross-section wall thickness wall thickness and variation, but these structures are to realize this utility model bottle bag self-constriction purpose essential condition, and do not disclose transverse of the present utility model (or claiming major diameter) and minor axis ratio and other content of (or claiming minor axis) in the existing disclosed patent document.Experimental results show that, the ratio of infusion bottle bag cross section transverse (or claim major diameter) and minor axis (or claiming minor axis) is to realize the essential condition that in the infusion process of infusion bottle bag order arranged, the predetermined way self-constriction is arranged, otherwise will become random self-constriction shape at random, not only not attractive in appearance, also may can not flow out by abundant residues liquid, even produce negative pressure refluence blood.
Description of drawings
Fig. 1 is the structural representation that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag becomes general long axis of ellipse and minor axis length to have a long way to go;
Fig. 2 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag becomes general long axis of ellipse and the bigger structural representation of minor axis length gap;
Fig. 3 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag becomes general long axis of ellipse and the general structural representation of minor axis length gap;
Fig. 4 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag becomes general long axis of ellipse and minor axis length gap small construction sketch map;
Fig. 5 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag becomes general long axis of ellipse and the very little structural representation of minor axis length gap;
Fig. 6 is the general oval structure sketch map that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag becomes to approach circle;
Fig. 7 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag circularizes the structural representation that runway long axis of ellipse and minor axis length have a long way to go;
Fig. 8 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag circularizes runway long axis of ellipse and the bigger structural representation of minor axis length gap;
Fig. 9 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag circularizes runway long axis of ellipse and minor axis length gap small construction sketch map;
Figure 10 is that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag circularizes runway long axis of ellipse and the very little structural representation of minor axis length gap;
Figure 11 is the endless track oval structure sketch map that the thin-walled self-constriction circle position cross section of this utility model infusion bottle bag becomes to approach circle;
Figure 12 has when this utility model infusion bottle of a thin-walled self-constriction circle is packed medicinal liquid, have the bottle solid shape the time cross-sectional view;
Figure 13 is that Figure 12 has this utility model infusion bottle of a thin-walled self-constriction circle packed, in infusion process, the infusion bottle bag inwardly shrinks at thin-walled self-constriction circle, and it is long-pending to reduce infusion bottle bag inner hollow body, and empty unimpeded up and down again infusion bottle bag is at the contraction state structural representation in the infusion bottle bag;
Figure 14 has when this utility model infusion bottle of two thin-walled self-constriction circles is packed medicinal liquid, the cross-sectional view when having the solid shape of bottle;
Figure 15 is this utility model infusion bottle bag that Figure 14 has two thin-walled self-constriction circles, in infusion process, the infusion bottle bag inwardly shrinks at thin-walled self-constriction circle, and it is long-pending to reduce infusion bottle bag inner hollow body, and empty unimpeded up and down again infusion bottle bag is at the contraction state structural representation in the infusion bottle bag;
1 is a bottle bag, the 2nd among the figure, bottle bag mouth, the 3rd, the bottle bag end, the 4th, thin-walled self-constriction circle, the 5th, bottle bag wall maximum ga(u)ge position, the 6th, the main position of self-constriction, the 7th, major axis, the 8th, minor axis.
The specific embodiment
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
Embodiment 9, dress liquid be 1000 milliliters the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows:
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
Embodiment 10, dress liquid be 2000 milliliters the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure
With PP material injection mo(u)lding present embodiment the transfusion of a thin-walled self-constriction circle is arranged the time do not produce the self-constriction infusion bottle bag of negative pressure.Its structure is as follows
The bottle bag mouth 2 of the infusion bottle bag at bottle bag 1 two ends and the bottle bag end 3 are that fixing on-deformable position is arranged.
Claims (5)
1, do not produce the self-constriction infusion bottle bag of negative pressure during transfusion, the bottle bag mouth (2) that comprises a bottle bag (1) and bottle bag (1) two ends fixed in shape, and the bottle bag end (3) of fixed in shape, with bottle bag mouth (2) and the bottle bag end (3) is two ends, annular ring with the middle, two ends is the center, the intermediate annular collar region accounts for the self-constriction main position (6) of the annular regional area of bottle bag (1) of a bottle bag (1) two ends total height 1/2～4/5 for bottle bag (1), the main position of self-constriction (6) cross section is oval, it is characterized in that: the bottle bag wall at the main position of self-constriction (6) is provided with one or more thin-walled self-constriction circles (4), and the main position of self-constriction (6) cross section oval-shaped major axis (7) length and minor axis (8) length ratio example are 1.00: 0.20～0.90.
2, transfusion according to claim 1 the time does not produce the self-constriction infusion bottle bag of negative pressure, and it is characterized in that: the main position of self-constriction (6) cross section oval-shaped major axis (7) length and minor axis (8) length ratio are 1.00: 0.20～0.50.
3, transfusion according to claim 1 the time does not produce the self-constriction infusion bottle bag of negative pressure, and it is characterized in that: the main position of self-constriction (6) cross section oval-shaped major axis (7) length and minor axis (8) length ratio are 1.00: 0.25.
4, transfusion according to claim 1 the time does not produce the self-constriction infusion bottle bag of negative pressure, it is characterized in that: the bottle bag wall thickness of thin-walled self-constriction circle (4) is 0.1～0.4mm, the bottle bag wall thickness at bottle bag wall maximum ga(u)ge position (5) is 0.2～2.5mm, and varied in thickness is to seamlessly transit between thin-walled self-constriction circle (4) and the bottle bag wall maximum ga(u)ge position (5).
5, transfusion according to claim 4 the time does not produce the self-constriction infusion bottle bag of negative pressure, it is characterized in that: the thinnest position of thin-walled self-constriction circle (4) is 5～200mm with distance between bottle bag wall maximum ga(u)ge position of facing mutually (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202228741U CN201324369Y (en) | 2008-11-25 | 2008-11-25 | Self-contraction transfusion bottle bag without producing negative pressure during transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202228741U CN201324369Y (en) | 2008-11-25 | 2008-11-25 | Self-contraction transfusion bottle bag without producing negative pressure during transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201324369Y true CN201324369Y (en) | 2009-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202228741U Expired - Lifetime CN201324369Y (en) | 2008-11-25 | 2008-11-25 | Self-contraction transfusion bottle bag without producing negative pressure during transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201324369Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013120341A1 (en) * | 2012-02-17 | 2013-08-22 | 重庆莱美药业股份有限公司 | Double-headed transfusion container |
-
2008
- 2008-11-25 CN CNU2008202228741U patent/CN201324369Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013120341A1 (en) * | 2012-02-17 | 2013-08-22 | 重庆莱美药业股份有限公司 | Double-headed transfusion container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Kelun Pharmaceutical Co., Ltd. Assignor: Sichuan Kelun Pharmaceutical Co., Ltd. Contract record no.: 2011510000006 Denomination of utility model: Self-contraction infusion bottle bag without generating negative pressure during transfusing Granted publication date: 20091014 License type: Exclusive License Record date: 20110217 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20091014 Effective date of abandoning: 20081125 |