CN105521531A - Infusion apparatus with infusion-stopping function - Google Patents
Infusion apparatus with infusion-stopping function Download PDFInfo
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- CN105521531A CN105521531A CN201610009516.1A CN201610009516A CN105521531A CN 105521531 A CN105521531 A CN 105521531A CN 201610009516 A CN201610009516 A CN 201610009516A CN 105521531 A CN105521531 A CN 105521531A
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- China
- Prior art keywords
- wall
- annular
- lower cover
- transfusion device
- cambered surface
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an infusion apparatus with an infusion-stopping function. The infusion apparatus comprises a shell, an upper cover and a lower cover, wherein the shell is provided with an upper shell body with a middle hole and a lower shell body with a middle hole, and the lower shell body is provided with an annular outer wall, a first annular convex face and a second annular convex face; the upper cover is accommodated in the upper shell body, and is provided with an annular support wall and a lower edge, the lower edge is connected to the lower end of the annular support wall, and is provided with a lower edge concave face, and the lower edge concave face can push against the annular outer wall; the lower cover is accommodated in the lower shell body, and is provided with a lower cover first cambered face and a lower cover second cambered face, the lower cover first cambered face can push against the first annular convex face, and the lower cover second cambered face can push against the second annular convex face. The infusion apparatus is simple in structure, low in production cost, good in sealing property, and excellent in infusion-stopping effect.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of transfusion device with only liquid function.
Background technology
China is the transfusion big country in the world, the use of transfusion device has very large demand, this also can cause transfusion device in use because the improper probability of doctor-patient dispute that causes of manual operation rises, transfusion device in use, often cause bubble to enter liquid-transport pipe-line because of improper use or negligence of operation and enter human body, potential safety hazard is brought to human body, simultaneously current transfusion device is when end of infusing is changed bottle, usually because non-Timeliness coverage causes large quantity of air to enter pipeline and blood back, bring mental pressure to patient.
Chinese patent CN201220310016.9 discloses a kind of transfusion device automatic liquid-stopping device, belongs to technical field of medical instruments.Feature of the present utility model be provided with in infusion unit titrimeter only liquid plug, with the cone of only liquid plug disjunctor and joint, coupler bore etc., only the density of liquid plug is less than 1.0g/cm3, when only liquid plug is placed in the middle relative to drip chamber axis, its outer edge is not more than 3mm apart from dropping funnel inwall, only liquid has 1,2 or multiple lead channel and inlet opening in portion beyond the Great Wall, cone tip diameter is less than coupler bore diameter, and cone root diameter (RD) is greater than coupler bore diameter.In normal infusion process, only liquid plug is suspended on the liquid in dropping funnel, and when in dropping funnel, liquid infusion is complete, only liquid plug moves down gradually due to the effect of gravity, and cone enters and blocks coupler bore, thus reaches and avoid air to enter the object of pipeline from dropping funnel.
Chinese patent CN201320278902.2 discloses a kind of automatic liquid-stopping transfusion apparatus.Mainly solve transfusion device after medicinal liquid drips off, bubble enters human body with medicinal liquid, to the problem that human body damages.It is characterized in that: described burette is made up of upper tube body and lower tube body, described upper tube body is flexible pipe, described lower tube body is hard tube, kickboard is provided with in described burette, described kickboard is connected with automatic liquid-stopping part, described automatic liquid-stopping part and the slippage of transfusion exit seal coordinate, and described lower tube body top is fixed with grid spacer, and described grid spacer is provided with some liquid pass holes.This automatic liquid-stopping transfusion apparatus is provided with automatic liquid-stopping part compared to traditional mechanism; after burette inner liquid medicine flows into tube for transfusion completely; automatic liquid-stopping part separates burette and tube for transfusion automatically, avoids bubble and enters in body and occur blood back phenomenon, effectively protect patient.
Although above-mentioned patent can stop liquid in time, its structure is comparatively complicated, and production cost is higher, simultaneously because structure and material cause, only liquid can not accomplish completely intercept very completely, this also just easily causes situation generation of time one long only liquid failure.
Therefore be badly in need of a kind of structure simple, production cost is low, the transfusion device with only liquid function that good airproof performance, only liquid effect are good.
Summary of the invention
The present invention is directed to the problems referred to above, provide a kind of structure simple, production cost is low, the transfusion device with only liquid function that good airproof performance, only liquid effect are good.
The present invention's adopted technical scheme that solves the problem is: a kind of transfusion device with only liquid function, wherein, comprise: housing, described housing has the upper casing of mesopore and the lower casing of mesopore, and described lower casing has annular outer wall, the first annular convex surface and the second annular convex surface; Upper cover body, described upper cover body is contained in upper casing, and described upper cover body has annular support wall and lower edge, and described lower edge is connected to the lower end of annular support wall, and described lower edge has emargination face, and described lower edge concave surface can be kept out on annular outer wall; Lower cover, described lower cover is contained in lower casing, and described lower cover has lower cover first cambered surface and lower cover second cambered surface, and described lower cover first cambered surface can be kept out in the first annular convex surface, and described lower cover second cambered surface can be kept out in the second annular convex surface.
Further, described first annular convex surface have be connected in turn sidewall, skew wall, in conjunction with wall and pressure-bearing wall, the angle of described sidewall and skew wall is 125 ° ~ 130 °, described skew wall is 85 ° ~ 87 ° with the angle in conjunction with wall, and the described angle in conjunction with wall and pressure-bearing wall is 105 ° ~ 110 °.
Further, the angle of described sidewall and skew wall is 127.5 °, and described skew wall is 86 ° with the angle in conjunction with wall, and the described angle in conjunction with wall and pressure-bearing wall is 107.5 °.
Further, described second annular convex surface has the inclined-plane and convex globoidal that are connected in turn, and the minimum profile curvature radius of described convex globoidal is 0.05mm ~ 0.07mm.
Further, the minimum profile curvature radius of described convex globoidal is 0.06mm.
Further, described upper cover body also has epicoele, connecting portion and lower counterbore, and described epicoele runs through the upper surface of upper cover body, and described connecting portion is in the junction of annular support wall and lower edge, and described lower counterbore runs through the lower surface of lower edge.
Further, the curved or SPL of the cross section of described connecting portion.
Further, described annular support wall has a Gai Yuan, the cross section semicircular in shape of described lid edge.
Further, described lower cover also has the side cambered surface and lower cover annular rim that link together, and the radius of described side cambered surface is 5mm ~ 9mm, and described lower cover annular rim is connected to one end of side cambered surface, and downward-sloping extension.
Further, the radius of described side cambered surface is 7mm.
Advantage of the present invention comprises:
1., in the present invention, the structure of lower casing, upper cover body and lower cover is simple, and easy to manufacture, production cost is low;
2., in the present invention, lower edge concave surface is kept out and is kept out in the first annular convex surface in annular outer wall upper and lower cover body first cambered surface, and lower cover second cambered surface is kept out in the second annular convex surface, thus realizes repeatedly sealing, makes good airproof performance;
3. in the present invention, the angle of sidewall and skew wall is 125 ° ~ 130 °, skew wall is 85 ° ~ 87 ° with the angle in conjunction with wall, angle in conjunction with wall and pressure-bearing wall is 105 ° ~ 110 °, the minimum profile curvature radius of convex globoidal is 0.05mm ~ 0.07mm, therefore each faying face in conjunction with time tightr, make the present invention better than prior art sealing, effect is better;
4. in the present invention, upper intracavity can receiving fluids, and when sealing, the liquid gravity held in epicoele plays the effect in press seal face, make sealing better, in addition, the setting of side cambered surface and lower cover annular rim, makes to be stored in liquid in lower casing when pressing down side cambered surface and lower cover annular rim, uniform force, can not produce skewness, sealing surface is combined closely, good airproof performance, only liquid effect is good.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
Forming the part of this description, showing the preferred embodiments of the present invention for understanding accompanying drawing of the present invention further, and be used for the principle of inventing is described together with description.In the accompanying drawings:
Fig. 1 is front view of the present invention;
Fig. 2 is partial structurtes schematic diagram of the present invention;
Fig. 3 is the sectional view of lower casing of the present invention;
Fig. 4 is the another partial sectional view of lower casing of the present invention;
Fig. 5 is the sectional view of the upper cover body of invention; And
Fig. 6 is the sectional view of the lower cover of invention.
Wherein, be labeled as in figure:
10 is housing, 11 is upper casing, 12 is lower casing, 13 is annular outer wall, 14 is the first annular convex surface, 141 is sidewall, 142 is skew wall, 143 in conjunction with wall, 144 is pressure-bearing wall, 15 is the second annular convex surface, 151 is inclined-plane, 152 is convex globoidal, 20 is upper cover body, 21 is annular support wall, 211 is Gai Yuan, 22 is epicoele, 23 is connecting portion, 24 is lower edge, 241 is lower edge concave surface, 25 is lower counterbore, 26 is cannelure, 30 is lower cover, 31 is lower cover first cambered surface, 32 is lower cover second cambered surface, 33 is top cambered surface, 34 is side cambered surface, 35 is lower cover annular rim, 40 is connecting line.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to figs. 1 to Fig. 6, a kind of transfusion device with only liquid function as shown in Figure 1, wherein, this transfusion device comprises housing 10, upper cover body 20 and lower cover 30.
As shown in Figures 2 and 3, described housing 10 has the upper casing 11 of mesopore and the lower casing 12 of mesopore, described lower casing 12 has annular outer wall 13, first annular convex surface 14 and the second annular convex surface 15, described upper cover body 20 is contained in upper casing 11, described upper cover body 20 has annular support wall 21 and lower edge 24, annular support wall 21 tilts upward extension, described lower edge 24 is connected to the lower end of annular support wall 21, as shown in Figure 2 and Figure 5, described lower edge 24 has emargination face 241, described lower edge concave surface 241 can be kept out on annular outer wall 13, described upper cover body 20 also has epicoele 22, connecting portion 23, lower counterbore 25 and cannelure 26, described epicoele 22 runs through the upper surface of upper cover body 20, described connecting portion 23 is positioned at the junction of annular support wall 21 and lower edge 24, described lower counterbore 25 runs through the lower surface of lower edge 24, cannelure 26 is positioned at the junction of annular support wall 21 and lower edge 24, and be positioned at the outside of annular support wall 21, curved or the SPL of the cross section of described connecting portion 23, connecting portion 23 is to epicoele 22 internal projection, described annular support wall 21 has a lid edge 211, the cross section semicircular in shape of described lid edge 211, lower counterbore 25 is in spill, curved or the SPL of the cross section of lower edge concave surface 241.
As Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 6, described lower cover 30 is contained in lower casing 12, described lower cover 30 is connected with upper cover body 20 by connecting line 40, described lower cover 30 has lower cover first cambered surface 31 and lower cover second cambered surface 32, described lower cover first cambered surface 31 can be kept out in the first annular convex surface 14, described lower cover second cambered surface 32 can be kept out in the second annular convex surface 15, described first annular convex surface 14 has the sidewall 141 be connected in turn, skew wall 142, in conjunction with wall 143 and pressure-bearing wall 144, described sidewall 141 is 125 ° ~ 130 ° with the angle of skew wall 142, described skew wall 142 is 85 ° ~ 87 ° with the angle in conjunction with wall 143, described is 105 ° ~ 110 ° in conjunction with wall 143 and the angle of pressure-bearing wall 144, described second annular convex surface 15 has the inclined-plane 151 and convex globoidal 152 that are connected in turn, the minimum profile curvature radius of described convex globoidal 152 is 0.05mm ~ 0.07mm.
Preferably, described sidewall 141 is 127.5 ° with the angle of skew wall 142, and described skew wall 142 is 86 ° with the angle in conjunction with wall 143, and described is 107.5 ° in conjunction with wall 143 and the angle of pressure-bearing wall 144.
Preferably, the minimum profile curvature radius of described convex globoidal 152 is 0.06mm.
As shown in Figure 6, described lower cover 30 also has the top cambered surface 33, side cambered surface 34 and the lower cover annular rim 35 that link together, the radius of top cambered surface 33 is 15mm ~ 19mm, the radius of described side cambered surface 34 is 5mm ~ 9mm, described lower cover annular rim 35 is connected to one end of side cambered surface 34, and downward-sloping extension.
Preferably, the radius of top cambered surface 33 is 17mm, and the radius of described side cambered surface 34 is 7mm.
From said structure, this transfusion system structure is simple, Multi-layer sealing, good airproof performance, and only liquid effect is good.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. there is a transfusion device for only liquid function, it is characterized in that, comprising:
Housing (10), described housing (10) has the upper casing (11) of mesopore and the lower casing (12) of mesopore, and described lower casing (12) has annular outer wall (13), the first annular convex surface (14) and the second annular convex surface (15);
Upper cover body (20), described upper cover body (20) is contained in upper casing (11), described upper cover body (20) has annular support wall (21) and lower edge (24), described lower edge (24) is connected to the lower end of annular support wall (21), described lower edge (24) has emargination face (241), and described lower edge concave surface (241) can be kept out on annular outer wall (13);
Lower cover (30), described lower cover (30) is contained in lower casing (12), described lower cover (30) has lower cover first cambered surface (31) and lower cover second cambered surface (32), described lower cover first cambered surface (31) can be kept out in the first annular convex surface (14), and described lower cover second cambered surface (32) can be kept out in the second annular convex surface (15).
2. the transfusion device with only liquid function according to claim 1, it is characterized in that, described first annular convex surface (14) have be connected in turn sidewall (141), skew wall (142), in conjunction with wall (143) and pressure-bearing wall (144), described sidewall (141) is 125 ° ~ 130 ° with the angle of skew wall (142), described skew wall (142) is 85 ° ~ 87 ° with the angle in conjunction with wall (143), and described is 105 ° ~ 110 ° in conjunction with wall (143) and the angle of pressure-bearing wall (144).
3. the transfusion device with only liquid function according to claim 2, it is characterized in that, described sidewall (141) is 127.5 ° with the angle of skew wall (142), described skew wall (142) is 86 ° with the angle in conjunction with wall (143), and described is 107.5 ° in conjunction with wall (143) and the angle of pressure-bearing wall (144).
4. the transfusion device with only liquid function according to claim 1, it is characterized in that, described second annular convex surface (15) has the inclined-plane (151) and convex globoidal (152) that are connected in turn, and the minimum profile curvature radius of described convex globoidal (152) is 0.05mm ~ 0.07mm.
5. the transfusion device with only liquid function according to claim 4, it is characterized in that, the minimum profile curvature radius of described convex globoidal (152) is 0.06mm.
6. the transfusion device with only liquid function according to claim 1, it is characterized in that, described upper cover body (20) also has epicoele (22), connecting portion (23) and lower counterbore (25), described epicoele (22) runs through the upper surface of upper cover body (20), described connecting portion (23) is positioned at the junction of annular support wall (21) and lower edge (24), and described lower counterbore (25) runs through the lower surface of lower edge (24).
7. the transfusion device with only liquid function according to claim 6, is characterized in that, the curved or SPL of the cross section of described connecting portion (23).
8. the transfusion device with only liquid function according to claim 6, it is characterized in that, described annular support wall (21) has a Gai Yuan (211), the cross section semicircular in shape of described Gai Yuan (211).
9. the transfusion device with only liquid function according to claim 1, it is characterized in that, described lower cover (30) also has the side cambered surface (34) and lower cover annular rim (35) that link together, the radius of described side cambered surface (34) is 5mm ~ 9mm, described lower cover annular rim (35) is connected to one end of side cambered surface (34), and downward-sloping extension.
10. the transfusion device with only liquid function according to claim 9, it is characterized in that, the radius of described side cambered surface (34) is 7mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009516.1A CN105521531A (en) | 2016-01-06 | 2016-01-06 | Infusion apparatus with infusion-stopping function |
| CN201610231923.7A CN105664306A (en) | 2016-01-06 | 2016-04-14 | Infusion set with liquid stop function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009516.1A CN105521531A (en) | 2016-01-06 | 2016-01-06 | Infusion apparatus with infusion-stopping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105521531A true CN105521531A (en) | 2016-04-27 |
Family
ID=55764269
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610009516.1A Pending CN105521531A (en) | 2016-01-06 | 2016-01-06 | Infusion apparatus with infusion-stopping function |
| CN201610231923.7A Pending CN105664306A (en) | 2016-01-06 | 2016-04-14 | Infusion set with liquid stop function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610231923.7A Pending CN105664306A (en) | 2016-01-06 | 2016-04-14 | Infusion set with liquid stop function |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105521531A (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003104419A (en) * | 2001-09-26 | 2003-04-09 | Naigai Kasei Kk | Cap for plastic container |
| JP4425140B2 (en) * | 2002-09-03 | 2010-03-03 | メディカル・インスティル・テクノロジーズ・インコーポレイテッド | Liquid medicine bottle assembly |
| CN100509069C (en) * | 2003-08-12 | 2009-07-08 | 贝克顿·迪金森公司 | Patch-like infusion device |
| CN100425297C (en) * | 2005-05-31 | 2008-10-15 | 虞家珍 | Automatic controlling arrangement of transfusion system |
| CN101905052B (en) * | 2009-06-08 | 2012-07-04 | 汪贤宗 | Drip infusion fixer and safety infusion water-sealing device |
| CN104689409A (en) * | 2015-03-04 | 2015-06-10 | 江西丽华鑫朗药业科技有限公司 | Multifunctional transfusion device capable of preventing bubbles and automatically stopping liquid |
| CN104815366A (en) * | 2015-05-29 | 2015-08-05 | 江苏康宝医疗器械有限公司 | Disposable automatic liquid-stopping infusion apparatus |
| CN204815196U (en) * | 2015-08-12 | 2015-12-02 | 江西丽华鑫朗药业科技有限公司 | Mobile membrane dual positioning of H type ends liquid transfusion system |
| CN205698686U (en) * | 2016-01-06 | 2016-11-23 | 德施普科技发展温州有限公司 | A kind of transfusion device with only liquid function |
-
2016
- 2016-01-06 CN CN201610009516.1A patent/CN105521531A/en active Pending
- 2016-04-14 CN CN201610231923.7A patent/CN105664306A/en active Pending
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| Publication number | Publication date |
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| CN105664306A (en) | 2016-06-15 |
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Application publication date: 20160427 |