CN205698686U - A kind of transfusion device with only liquid function - Google Patents
A kind of transfusion device with only liquid function Download PDFInfo
- Publication number
- CN205698686U CN205698686U CN201620018682.3U CN201620018682U CN205698686U CN 205698686 U CN205698686 U CN 205698686U CN 201620018682 U CN201620018682 U CN 201620018682U CN 205698686 U CN205698686 U CN 205698686U
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- China
- Prior art keywords
- wall
- annular
- lower cover
- transfusion device
- cambered surface
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Abstract
The utility model discloses a kind of transfusion device with only liquid function, wherein, including: housing, described housing has the upper casing of mesopore and the lower casing of mesopore, and described lower casing has annular outer wall, 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 the first cambered surface and lower cover the second cambered surface, and described lower cover the first cambered surface can be kept out on first annular convex surface, and described lower cover the second cambered surface can be kept out in the second annular convex surface.This utility model simple in construction, production cost is low, and good airproof performance, only liquid effect are good.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of transfusion device with only liquid function.
Background technology
China is the transfusion big country in the world, has the biggest demand in the use of transfusion device, and this also results in transfusion device and exists
During use because the improper probability causing doctor-patient dispute of manual operation rise, transfusion device in use, often because of
Improper use or negligence of operation cause bubble enter liquid-transport pipe-line and enter human body, bring potential safety hazard to human body, simultaneously mesh
Before transfusion device when end of infusing is changed bottle, usually because not finding in time to cause large quantity of air to enter pipeline and blood back, give
Patient brings mental pressure.
Chinese patent CN201220310016.9 discloses a kind of transfusion device automatic liquid-stopping device, belongs to medical device technology
Field.Feature of the present utility model is to be provided with only liquid plug and the only cone of liquid plug disjunctor and joint, joint in infusion unit titrimeter
Endoporus etc., only the density of liquid plug is less than 1.0g/cm3, and when only liquid plug is placed in the middle relative to drip chamber axis, its outer edge is away from dropping funnel inwall
Being not more than 3mm, only there are 1,2 or multiple lead channel and inlet opening in liquid portion beyond the Great Wall, and cone tip diameter is straight less than coupler bore
Footpath, cone root diameter (RD) is more than coupler bore diameter.During normal infusion, only liquid plug is suspended on the liquid in dropping funnel, when
Liquid infused in dropping funnel, only liquid plug gradually moves down due to the effect of gravity, and cone enters and block coupler bore, thus reaches
The purpose of pipeline is entered from dropping funnel to avoiding air.
Chinese patent CN201320278902.2 discloses a kind of automatic liquid-stopping transfusion apparatus.Mainly solve transfusion device at medicinal liquid
After dripping off, bubble enters human body with medicinal liquid, the problem damaging human body.It is characterized in that: described burette is by upper pipe
Body and lower tube body composition, described upper tube body is flexible pipe, and described lower tube body is hard tube, is provided with kickboard in described burette,
Connecting in described kickboard and have an automatic liquid-stopping part, described automatic liquid-stopping part and transfusion exit seal sliding coordinate, described under
Body top is fixed with grid spacer, and described grid spacer is provided with some liquid pass holes.This automatic liquid-stopping transfusion apparatus compared to
Traditional mechanism is provided with automatic liquid-stopping part, after burette inner liquid medicine fully flows into tube for transfusion, automatic liquid-stopping part automatically separate drip
Fixed tube and tube for transfusion, it is to avoid bubble enters internal blood back phenomenon occurs, is effectively protected patient.
Although above-mentioned patent can stop liquid in time, but its structure is complex, and production cost is higher, simultaneously as structure and material
Material reason, only liquid can not accomplish completely intercept the most completely, this is also easy for causing the time one long to stop the situation that liquid is failed
Occur.
Therefore being badly in need of a kind of simple in construction, production cost is low, only liquid function that what good airproof performance, only liquid effect were good have defeated
Liquid device.
Utility model content
This utility model is for the problems referred to above, it is provided that a kind of simple in construction, and production cost is low, good airproof performance, only liquid effect
The good transfusion device with only liquid function.
The technical scheme in the invention for solving the above technical problem is: a kind of transfusion device with only liquid function, its
In, including housing, described housing has the upper casing of mesopore and the lower casing of mesopore, and described lower casing has annular outer wall, first annular
Convex surface and the second annular convex surface；Upper cover body, described upper cover body is contained in upper casing, described upper cover body have annular support wall and under
Edge, 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 the first cambered surface and lower cover
Second cambered surface, described lower cover the first cambered surface can be kept out on first annular convex surface, and described lower cover the second cambered surface can be kept out
In second annular convex surface.
Further, described first annular convex surface have be connected in turn sidewall, skew wall, combine wall and pressure-bearing
Wall, described sidewall is 125 °～130 ° with the angle of skew wall, and described skew wall and the angle combining wall are 85 °～87 °, described combination
Wall is 105 °～110 ° with the angle of pressure-bearing wall.
Further, described sidewall is 127.5 ° with the angle of skew wall, and described skew wall is 86 ° with the angle combining wall,
Described combination wall is 107.5 ° with the angle of pressure-bearing wall.
Further, described second annular convex surface has the inclined-plane and convex globoidal being connected in turn, described convex globoidal
Minimum profile curvature radius be 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 end of upper cover body
Face, described connecting portion runs through the lower surface of lower edge in annular support wall and the junction of lower edge, described lower counterbore.
Further, the cross section of described connecting portion is curved or SPL.
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 linked together, described side cambered surface
Radius be 5mm～9mm, 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 utility model includes:
1., in this utility model, the simple in construction of lower casing, upper cover body and lower cover, easy to manufacture, production cost is low；
2., in this utility model, lower edge concave surface is kept out and is kept out first annular in annular outer wall upper and lower cover body the first cambered surface
On convex surface, lower cover the second cambered surface is kept out in the second annular convex surface, thus realizes repeatedly sealing so that good airproof performance；
3., in this utility model, the angle of sidewall and skew wall is 125 °～130 °, skew wall and the angle combining wall be 85 °～
87 °, the angle in conjunction with wall Yu pressure-bearing wall is 105 °～110 °, and the minimum profile curvature radius of convex globoidal is 0.05mm～0.07mm, because of
This each faying face is tightr when combining so that this utility model seals more preferably than prior art, better；
4. in this utility model, upper intracavity can accommodate liquid, and when sealing, the liquid gravity accommodated in epicoele plays compression
The effect of sealing surface, makes sealing more preferable, additionally, side cambered surface and the setting of lower cover annular rim so that the liquid being stored in lower casing
Body under press side cambered surface and lower cover annular rim time, uniform force, skewness will not be produced so that sealing surface is tightly combined,
Good airproof performance, only liquid effect are good.
In addition to objects, features and advantages described above, this utility model also has other purpose, feature and excellent
Point.Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
Constitute the part of this specification, be used for being further appreciated by accompanying drawing of the present utility model and show of the present utility model
Preferred embodiment, and it is used for illustrating the principle of utility model together with description.In the accompanying drawings:
Fig. 1 is front view of the present utility model；
Fig. 2 is partial structurtes schematic diagram of the present utility model；
Fig. 3 is the sectional view of lower casing of the present utility model；
Fig. 4 is the another partial sectional view of lower casing of the present utility model；
Fig. 5 is the sectional view of the upper cover body of utility model；And
Fig. 6 is the sectional view of the lower cover of utility model.
Wherein, figure is labeled as:
10 be housing, 11 for upper casing, 12 for lower casing, 13 for annular outer wall, 14 for first annular convex surface, 141 for sidewall,
142 be skew wall, 143 for combine wall, 144 be pressure-bearing wall, 15 be the second annular convex surface, 151 be inclined-plane, 152 be convex globoidal, 20 be
Upper cover body, 21 be annular support wall, 211 for Gai Yuan, 22 for epicoele, 23 for connecting portion, 24 for lower edge, 241 for lower edge concave surface, 25
For lower counterbore, 26 be cannelure, 30 for lower cover, 31 for lower cover the first cambered surface, 32 for lower cover the second cambered surface, 33 for top arc
Face, 34 be side cambered surface, 35 be lower cover annular rim, 40 for connecting line.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can be by right
Require that the multitude of different ways limiting and covering 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 includes shell
Body 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, and described lower casing 12 has
Having 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 on
Lid 20 has annular support wall 21 and lower edge 24, and annular support wall 21 tilts upward extension, and described lower edge 24 is connected to annular
The lower end of supporting walls 21, as shown in Figure 2 and Figure 5, described lower edge 24 has emargination face 241, and described lower edge concave surface 241 can support
Gear is on annular outer wall 13, and described upper cover body 20 also has epicoele 22, connecting portion 23, lower counterbore 25 and a cannelure 26, described on
The upper surface of upper cover body 20 is run through in chamber 22, and described connecting portion 23 is positioned at annular support wall 21 and the junction of lower edge 24, described under
Counterbore 25 runs through the lower surface of lower edge 24, and cannelure 26 is positioned at annular support wall 21 and the junction of lower edge 24, and is positioned at annular
The outside of supporting walls 21, the cross section of described connecting portion 23 is curved or SPL, and connecting portion 23 is to epicoele 22 internal projection, institute
Stating annular support wall 21 and have a lid edge 211, the cross section semicircular in shape of described lid edge 211, lower counterbore 25 is concave, lower emargination
The cross section in face 241 is curved or SPL.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 6, described lower cover 30 is contained in lower casing 12, and described lower cover 30 is by even
Wiring 40 is connected with upper cover body 20, and described lower cover 30 has lower cover the first cambered surface 31 and lower cover the second cambered surface 32, institute
Stating lower cover the first cambered surface 31 and can keep out on first annular convex surface 14, described lower cover the second cambered surface 32 can be kept out at the second ring
On shape convex surface 15, described first annular convex surface 14 have be connected in turn sidewall 141, skew wall 142, combine wall 143 and
Pressure-bearing wall 144, described sidewall 141 is 125 °～130 ° with the angle of skew wall 142, described skew wall 142 and the angle combining wall 143
Being 85 °～87 °, described combination wall 143 is 105 °～110 ° with the angle of pressure-bearing wall 144, and described second annular convex surface 15 has
The inclined-plane 151 being connected in turn and convex globoidal 152, the minimum profile curvature radius of described convex globoidal 152 be 0.05mm～
0.07mm。
Preferably, described sidewall 141 is 127.5 ° with the angle of skew wall 142, described skew wall 142 and the folder combining wall 143
Angle is 86 °, and described combination wall 143 is 107.5 ° with 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 top cambered surface 33, side cambered surface 34 and the lower cover annular linked together
Edge 35, the radius of top cambered surface 33 is 15mm～19mm, and the radius of described side cambered surface 34 is 5mm～9mm, described lower cover annular rim
35 one end being connected to 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, and Multi-layer sealing, good airproof performance, only liquid effect is good.
These are only preferred embodiment of the present utility model, be not limited to this utility model, for this area
Technical staff for, this utility model can have various modifications and variations.It is all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a transfusion device with only liquid function, it is characterised in that including:
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), 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), and 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), and described lower edge (24) has a lower edge
Concave surface (241), 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), and described lower cover (30) has lower cover the first arc
Face (31) and lower cover the second cambered surface (32), described lower cover the first cambered surface (31) can be kept out on first annular convex surface (14),
Described lower cover the second cambered surface (32) can be kept out in the second annular convex surface (15).
The transfusion device with only liquid function the most according to claim 1, it is characterised in that described first annular convex surface (14)
Have be connected in turn sidewall (141), skew wall (142), combine wall (143) and pressure-bearing wall (144), described sidewall
(141) be 125 °～130 ° with the angle of skew wall (142), described skew wall (142) and the angle combining wall (143) be 85 °～
87 °, described combination wall (143) is 105 °～110 ° with the angle of pressure-bearing wall (144).
The transfusion device with only liquid function the most according to claim 2, it is characterised in that described sidewall (141) and skew wall
(142) angle is 127.5 °, and described skew wall (142) is 86 ° with the angle combining wall (143), described combination wall (143) with hold
The angle of pressure wall (144) is 107.5 °.
The transfusion device with only liquid function the most according to claim 1, it is characterised in that described second annular convex surface (15)
Having the inclined-plane (151) and convex globoidal (152) being connected in turn, the minimum profile curvature radius of described convex globoidal (152) is
0.05mm～0.07mm.
The transfusion device with only liquid function the most according to claim 4, it is characterised in that described convex globoidal (152) is
Little radius of curvature is 0.06mm.
The transfusion device with only liquid function the most according to claim 1, it is characterised 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) being positioned at annular support wall (21) and the junction of lower edge (24), described lower counterbore (25) runs through the lower surface of lower edge (24).
The transfusion device with only liquid function the most according to claim 6, it is characterised in that described connecting portion (23) transversal
Face is curved or SPL.
The transfusion device with only liquid function the most according to claim 6, it is characterised in that described annular support wall (21) has
There are a Gai Yuan (211), the cross section semicircular in shape of described Gai Yuan (211).
The transfusion device with only liquid function the most according to claim 1, it is characterised in that described lower cover (30) also has
The side cambered surface (34) linked together and lower cover annular rim (35), 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.
The transfusion device with only liquid function the most according to claim 9, it is characterised in that the half of described side cambered surface (34)
Footpath is 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018682.3U CN205698686U (en) | 2016-01-06 | 2016-01-06 | A kind of transfusion device with only liquid function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018682.3U CN205698686U (en) | 2016-01-06 | 2016-01-06 | A kind of transfusion device with only liquid function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205698686U true CN205698686U (en) | 2016-11-23 |
Family
ID=57333644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620018682.3U Expired - Fee Related CN205698686U (en) | 2016-01-06 | 2016-01-06 | A kind of transfusion device with only liquid function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205698686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664306A (en) * | 2016-01-06 | 2016-06-15 | 周常 | Infusion set with liquid stop function |
-
2016
- 2016-01-06 CN CN201620018682.3U patent/CN205698686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664306A (en) * | 2016-01-06 | 2016-06-15 | 周常 | Infusion set with liquid stop function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20210106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |