CN206577775U - A kind of closed body fluid indwelling device is with taking liquid part - Google Patents
A kind of closed body fluid indwelling device is with taking liquid part Download PDFInfo
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- CN206577775U CN206577775U CN201621182603.9U CN201621182603U CN206577775U CN 206577775 U CN206577775 U CN 206577775U CN 201621182603 U CN201621182603 U CN 201621182603U CN 206577775 U CN206577775 U CN 206577775U
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- annular sidewall
- body fluid
- exhaust passage
- indwelling device
- closed body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/56—Labware specially adapted for transferring fluids
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- External Artificial Organs (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model is related to the device of medicine equipment, more particularly, to collection of body fluids.A kind of closed body fluid indwelling device of the present utility model is with taking liquid part, including the flow-guiding channel 10 formed is enclosed by annular sidewall first 1, and the exhaust passage 20 formed is enclosed by annular sidewall second 2；Exhaust passage 20 is located in the enclosed space of annular sidewall first 1, and the annular sidewall second 2 is straight tube-like, and the bottom 2b of the annular sidewall second and bottom 1c of annular sidewall first has is more than or equal to 3mm at overlapping, the sectional area of flow-guiding channel 10 minimum2Less than or equal to 20mm2；It is more than or equal to 2mm at the sectional area minimum of exhaust passage 202 Less than or equal to 15mm2.The utility model has that processing is simple, reduction production cost, and production efficiency is high, and can anti-backflow advantage.
Description
Technical field
The utility model is related to the device of medicine equipment, more particularly, to collection of body fluids.
Background technology
The closed body fluid indwelling device of prior art with take liquid part only have flow-guiding channel, exhaust passage is not set, especially to small
Aperture container irrigates liquid, and when taking liquid part with the sealing cooperation of container junction, the delay of liquid occurs often.Even if taking liquid part to set
Put exhaust passage, during drain, still exist liquid can flow to exhaust outlet block exhaust outlet cause liquid holdup show
As.In addition, take liquid part there is provided exhaust passage, but produce and process more complicated, cost is high, and production efficiency is relatively low.
Utility model content
The purpose of this utility model is that providing one kind processes simple, reduction production cost, and production efficiency is high, and can prevent
The closed body fluid indwelling device of backflow is with taking liquid part.
What goal of the invention of the present utility model was realized in：
A kind of closed body fluid indwelling device is with taking liquid part, including the flow-guiding channel 10 formed is enclosed by annular sidewall first 1, and
The exhaust passage 20 formed is enclosed by annular sidewall second 2；Exhaust passage 20 is located in the enclosed space of annular sidewall first 1, institute
Annular sidewall second 2 is stated for straight tube-like, the bottom 2b of the annular sidewall second and bottom 1c of annular sidewall first has overlapping, flow-guiding channel 10
It is more than or equal to 3mm at sectional area minimum2Less than or equal to 20mm2；It is more than or equal to 2mm at the sectional area minimum of exhaust passage 202Less than etc.
In 15mm2.Wherein, the top 2a of annular sidewall second is not attached to the annular sidewall first 1.Or the top 2a of annular sidewall second
Lateral wall provided with axial direction reinforcement 8.It may also be top 2a and annular that the reinforcement connects the annular sidewall second
Side wall first 1.
It is preferred that being more than or equal to 2mm at exhaust passage sectional area minimum2Less than or equal to 8mm2.At the sectional area minimum of exhaust passage
More than or equal to 2mm2Less than or equal to 15mm2When, it is ensured that when taking liquid part pouring liquid, liquid is difficult to flow back from exhaust passage.Ring
The top of shape side wall first 1 is used to collect liquid and water conservancy diversion, and the bottom of annular sidewall first 1 is used to be connected and water conservancy diversion.
Wherein, the flow-guiding channel 10 includes the inlet 11 and the liquid outlet 12 positioned at bottom positioned at upper end, the row
Gas passage 20 includes the gas outlet 22 positioned at upper end and the exhaust outlet 21 positioned at lower end, the liquid outlet 12 and the exhaust outlet 21
Positioned at the bottom for taking liquid part.The flow-guiding channel 10 and the exhaust passage 20 are not communicated with.The sectional area of flow-guiding channel 10 is most
Small place is for exhaust outlet 21 at liquid outlet 12, the sectional area of exhaust passage 20 minimum.
Described to take liquid part to be provided with handle 3 and drain mouth 13, the handle 3 is used to be affectedly bashful, and the drain mouth 13 is used to topple over
Water conservancy diversion during liquid and when liquid is full by liquid guide flow to taking outside liquid part.
In such scheme, because top 2a and the annular sidewall first 1 of the annular sidewall second are not attached to, i.e., described ring
The top 2a of shape side wall second is with the annular sidewall first 1 without the overlapping side wall shared, top 2a of the annular sidewall second
In the centre of the enclosed space of annular sidewall first 1.
Further, the annular sidewall second 2 encloses the exhaust passage 20 to be formed for straight-tube shape.The exhaust passage 20 is horizontal
Section can be circular, ellipse, square etc..Exhaust passage 20 and the diameter parallel of flow-guiding channel 10, exhaust passage 20
Axis and annular sidewall first 1 diameter parallel.The axis of the exhaust passage 20 and the axis on the flow-guiding channel top are put down
OK；The axis of the exhaust passage 20 and the diameter parallel of the flow-guiding channel bottom.
So, as long as in production and processing in the axial core-pulling demoulding so that the job step of mold releasability is reduced, from
And improve the efficiency of production, using straight-tube shape exhaust passage take liquid part processing efficiency ratio use oblique exhaust passage efficiency
Raising 30%.In addition, mould structure also relatively has the mould for taking liquid part of oblique exhaust passage simple, so die cost
It is greatly reduced.
In such scheme, the gas outlet 22 of the exhaust passage 20 is not less than drain mouth 13 in the annular sidewall first 1
Low spot 131.When low spot 131 of the gas outlet 22 optionally greater than drain mouth 13 in the annular sidewall first 1 of the exhaust passage 20
When, when liquid takes flow-guiding channel, liquid can overflow from drain mouth 13, can be effectively prevented from liquid the exhaust is logical
The gas outlet 22 in road 20 is blocked, and causes liquid guide flow not smooth.Further, the gas outlet 22 of the exhaust passage 20 is not higher than institute
State the upper surface of annular sidewall first 11.The gas outlet 22 of exhaust passage 20 can the row of avoiding less than the upper surface of annular sidewall first 1
The scratch user of gas port 22.The gas outlet 22 of the exhaust passage 20 is at least above the upper end of the bottom of the annular sidewall first
1c1 is 8mm.In such scheme, during water conservancy diversion, liquid is acted on by downward gravity all the time, in order to avoid liquid will take liquid
The exhaust outlet of part is blocked, and increase liquid flow to the distance of exhaust outlet 21 from liquid outlet 12 so that liquid by kinetic energy to potential energy,
The consumption of energy is formed, so that efficiently reducing can run to the liquid of exhaust outlet, it is to avoid liquid blocks exhaust outlet, influence collection
The effect of liquid.
Such as：The bottom 1c of annular sidewall first and the bottom 2b of annular sidewall second have overlapping portion 7, and the overlapping portion 7 is provided with
The groove 6 of axial direction, the groove 6 is used to increase liquid from the row of liquid outlet 12 of the flow-guiding channel 10 to the exhaust passage 20
Exhaust outlet 21 stroke.
Such as：The bottom 1c of annular sidewall first and the bottom 2b of annular sidewall second have an overlapping portion 7, and the overlapping portion 7 is to downward
Stretch to form cut-off body 5, the bottom of the cut-off body 5 is vented 21 mouthfuls and liquid outlet 12 less than described, and the cut-off body 5 is used to increase
The stroke of exhaust outlet 21 of the big liquid from the liquid outlet 12 of the flow-guiding channel 10 to the exhaust passage 10.
Such as：The liquid outlet 12 and the exhaust outlet 21 be not in sustained height, and the liquid outlet 12 is less than the exhaust outlet
21 so that the stroke increase of exhaust outlet 21 of the liquid from the liquid outlet 12 of the flow-guiding channel to the exhaust passage.
In such scheme, the volume that the top 1a of annular sidewall first is enclosed is more than 25 milliliters less than 100 milliliters.It is above-mentioned
In scheme, 1b extends bending shape still further below by the tubular annular sidewall first top 1a inside bending in bottom in the middle part of annular sidewall first
Into.Annular sidewall first top 1a is tubular structure, such as inverted frustum cone side, and the angle of inverted frustum cone side and upper surface is big
In equal to 75 ° be less than or equal to 90 °, when for 90 ° when be straight-tube shape；It can be reduced using tubular structure when collecting body fluid outside body fluid
Splash.When collected flow rate of liquid is very fast and during larger flow, 1b and annular in the middle part of the top 1a of annular sidewall first, annular sidewall first
Side Bi Jia bottoms 1c increases the amount of liquid storage of flow-guiding channel, reduces the instantaneous water conservancy diversion of flow-guiding channel 10 strong provided with two bendings
Degree, simultaneously because liquid also just increases therewith to the pressure of liquid outlet 12 in the amount of liquid storage increase of flow-guiding channel 10, flow-guiding channel 10
Greatly, the speed of water conservancy diversion is also improved.Wherein, the volume that the top 1a of annular sidewall first is enclosed is more than 25 milliliters and is less than 100 millis
Rise.
In such scheme, when taking liquid part to be positioned in plane, when remaining static, and the outlet of exhaust passage 20
Mouthfuls 22 with exhaust outlet 21 be in it is described take the left and right sides of liquid part when, the minimum point of the gas outlet to horizontal table top it is vertical away from
From the vertical range D2 of the minimum point that D1 is more than the liquid outlet to horizontal table top.I.e. described gas outlet 22 be higher than liquid outlet
12, it can avoid when taking liquid part to keep flat, liquid flows out from gas outlet.
In such scheme, shutter body first 40 is with the liquid outlet 12 and the outer of exhaust outlet 21.Liquid part is taken to be provided with handle
3, the outer of the handle 3 is with shutter body second 42.
In such scheme, the top of the gas outlet of the exhaust passage 20 22 provided with both can barrier liquid enter the gas outlet
22 ensure that the shutter body 43 of the smooth gas discharge of exhaust passage 20.The shutter body 43 is detachably matched somebody with somebody with the annular sidewall second 2
Close.It is described it is detachable with being combined into that screw thread coordinates, interference fit, clip coordinate, one of be clasped.The shutter body 43 includes hiding
Stopper 43b and fixed part 43a, the occlusion part 43b are used for barrier liquid into the gas outlet 22, and the fixed part 43a is used
Fixed in coordinating with the annular sidewall second 2；Wherein described occlusion part 43b can be tabular, arc-shaped, coniform, spherical crown
One of body, column cup.In such scheme, reinforcement 8 of the lateral wall provided with axial direction of annular sidewall second 2.
In such scheme, it is more than at the sectional area of flow-guiding channel 10 minimum at the sectional area of exhaust passage 20 minimum.
The utility model has advantages below：
1st, due to the exhaust passage using straight-tube shape, the preparation expense of mould, the efficiency 30% of the production of raising are reduced.
Liquid flows out from gas outlet when the 2nd, avoiding taking the liquid part from keeping flat.
3rd, due to being provided with bending at 2 between the top, middle part and bottom of annular sidewall, improve and lead in collection liquid process
The amount of liquid storage of circulation road moment, and improve the liquid storage speed of liquid storage piece.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram -1.
Fig. 2 is the utility model schematic diagram -2.
Fig. 3 is the utility model schematic diagram -3.
Fig. 4 is the utility model use state schematic diagram.
Fig. 5 is the view that the utility model places horizontal table top.
Fig. 6 for it is of the present utility model take liquid part lay shutter body 43 when schematic top plan view.
In figure：
1 annular sidewall first, the top of 1a annular sidewall first, the middle part of 1b annular sidewall first, the bottom of 1c annular sidewall first,
The upper surface of 1d annular sidewall first, the upper end of the bottom of 1c1 annular sidewall first,
10 flow-guiding channels, 11 inlets, 12 liquid outlets, 13 drain mouths, 131 low spots, 14 first bendings, 15 second bendings,
2 annular sidewall second, the top of 2a annular sidewall second, the bottom of 2b annular sidewall second,
20 exhaust passages, 21 exhaust outlets, 22 gas outlets,
3 handles, 40 shutter body first, 41 forms, 42 shutter body second,
43 shutter bodies, 43a fixed parts, 43b occlusion parts,
5 cut-off bodies, 6 grooves, 7 overlapping portions, 8 reinforcements,
100 take liquid part, 200 liquid storage pipes, 300 test tube plugs, 400 horizontal table tops,
The minimum point of D1 gas outlets to horizontal table top vertical range, the minimum point of D2 liquid outlets to horizontal table top it is vertical
Distance.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings, following examples are only preference, is not pair
Scope of the present utility model is any limitation as, on the contrary, the purpose is to wish to cover various changes and have being arranged in for equality
The utility model is intended in the category of the scope of the claims applied.
Embodiment 1：Below in conjunction with the accompanying drawings 1, Fig. 6 is described further to the utility model：
A kind of closed body fluid indwelling device is with taking liquid part, annular sidewall first 1 and annular sidewall second 2.
Annular sidewall first 1 encloses the flow-guiding channel 10 to be formed.The upper end of flow-guiding channel 10 is logical provided with inlet 11 and water conservancy diversion
The lower end in road 10 is provided with liquid outlet 12.Annular sidewall first 1 includes top 1a, the middle part 1b of annular sidewall first of annular sidewall first
With the bottom 1c of annular sidewall first.The top 1a of the annular sidewall first of annular sidewall first 1 is inverted frustum cone side.Annular sidewall
The middle part 1b of the annular sidewall first of first 1 by annular sidewall first top 1a the inside bending in lower end, then it is horizontal-extending still further below
Bending is formed, and the middle part 1b of annular sidewall first is provided with the first bending 14 and the second bending 15.The annular sidewall first of annular sidewall first 1
Bottom 1c, by the middle part 1b of annular sidewall first of annular sidewall first 1, the second bending 15 is downwardly extending again.
Annular sidewall second 2 encloses the exhaust passage 20 to be formed.The upper end of annular sidewall second 2 is provided with gas outlet 22 and lower end
Exhaust outlet 21.Annular sidewall second 2 includes top 2a and bottom 2b.Exhaust passage 20 is straight-tube shape.
Exhaust passage 20 is located in the enclosed space of annular sidewall first 1, top 2a and the annular sidewall first 1 of annular sidewall second 2
The top 1a of annular sidewall first be not attached to, the bottom 2b of annular sidewall second 2 and the bottom of the annular sidewall first of annular sidewall first 1
1c is overlapped, and forms overlapping portion 7.Overlapping portion 7 is downwardly extending cut-off body 5, and the bottom of cut-off body 5 is less than exhaust outlet 21 and goes out liquid
Mouth 12.Exhaust outlet 21 and liquid outlet 12 are located at sustained height.The gas outlet 22 of the exhaust passage 20 is higher than the annular sidewall
The upper end 1c18mm of the bottom of first.
The top 1a of the annular sidewall first of annular sidewall first 1 is provided with handle 3.The annular sidewall first of annular sidewall first 1 it is upper
The opposite that portion 1a is located at handle 3 is provided with drain mouth 13.The gas outlet 22 of exhaust passage 20 is higher than the low spot 131 of drain mouth 13.Institute
Stating interference fit on the top of gas outlet 22 of exhaust passage 20, the top 2a lateral walls of annular sidewall second 2 has shutter body 43.Block
Body 43 both can barrier liquid ensure that the smooth gas discharge of exhaust passage 20 into gas outlet 22.The shutter body 43 of shutter body 43 is wrapped
Occlusion part 43b and fixed part 43a are included, occlusion part 43b is used for barrier liquid and enters gas outlet 22, and fixed part 43a is used for and annular
Side wall second 2, which coordinates, fixes；It is tabular that wherein described occlusion part 43b, which is,.
Reinforcement 8 of the lateral wall of annular sidewall second 2 provided with 3 axial directions.
The middle part 1b of the annular sidewall first of annular sidewall first 1 is provided with shutter body first 40.
It is 10mm at the sectional area of flow-guiding channel 10 minimum2；10mm at the sectional area minimum of exhaust passage 202.Annular sidewall first
The volume that top 1a is enclosed is 50 milliliters.The volume that the top 1a of annular sidewall first is enclosed by annular sidewall first top 1a and ring
The elongated surfaces of the elongated surfaces of the top 1a of shape side wall first upper surface and the top 1a of annular sidewall first lower surface, which are enclosed, to be formed.
Embodiment 2：Below in conjunction with the accompanying drawings 2, Fig. 6 is described further to the utility model：
A kind of closed body fluid indwelling device is with taking liquid part, annular sidewall first 1 and annular sidewall second 2.
Annular sidewall first 1 encloses the flow-guiding channel 10 to be formed.The upper end of flow-guiding channel 10 is logical provided with inlet 11 and water conservancy diversion
The lower end in road 10 is provided with liquid outlet 12.Annular sidewall first 1 includes top 1a, the middle part 1b of annular sidewall first of annular sidewall first
With the bottom 1c of annular sidewall first.The top 1a of the annular sidewall first of annular sidewall first 1 is inverted frustum cone side.Annular sidewall
The middle part 1b of the annular sidewall first of first 1 by annular sidewall first top 1a the inside bending in lower end, then extend obliquely again to
Lower bending is formed, and the middle part 1b of annular sidewall first is provided with the first bending 14 and the second bending 15.The annular sidewall of annular sidewall first 1
The bottom 1c of first, by the middle part 1b of annular sidewall first of annular sidewall first 1, the second bending 15 is downwardly extending again.
Annular sidewall second 2 encloses the exhaust passage 20 to be formed.The upper end of annular sidewall second 2 is provided with gas outlet 22 and lower end
Exhaust outlet 21.Annular sidewall second 2 includes top 2a and bottom 2b.Exhaust passage 20 is straight-tube shape.Exhaust passage 20 it is transversal
Face is circle.
Exhaust passage 20 is located in the enclosed space of annular sidewall first 1, top 2a and the annular sidewall first 1 of annular sidewall second 2
The top 1a of annular sidewall first be not attached to, the bottom 2b of annular sidewall second 2 and the bottom of the annular sidewall first of annular sidewall first 1
1c is overlapped, and forms overlapping portion 7.Overlapping portion 7 is provided with inside groove 6, and exhaust outlet 21 and liquid outlet 12 are located at sustained height.Institute
The upper end 1c1 for the bottom that the gas outlet 22 for stating exhaust passage 20 is higher than annular sidewall first is 9mm.
The top 1a of the annular sidewall first of annular sidewall first 1 is provided with handle 3.The annular sidewall first of annular sidewall first 1 it is upper
The opposite that portion 1a is located at handle 3 is provided with drain mouth 13.The gas outlet 22 of exhaust passage 20 is higher than the low spot 131 of drain mouth 13.Institute
Stating interference fit on the top of gas outlet 22 of exhaust passage 20, the top 2a lateral walls of annular sidewall second 2 has shutter body 43.Block
Body 43 both can barrier liquid ensure that the smooth gas discharge of exhaust passage 20 into gas outlet 22.The shutter body 43 of shutter body 43 is wrapped
Occlusion part 43b and fixed part 43a are included, occlusion part 43b is used for barrier liquid and enters gas outlet 22, and fixed part 43a is used for and annular
Side wall second 2, which coordinates, fixes；It is tabular that wherein described occlusion part 43b, which is,.
Reinforcement 8 of the lateral wall of annular sidewall second 2 provided with 3 axial directions.In the annular sidewall first of annular sidewall first 1
Portion 1b is provided with shutter body first 40.Shutter body first 40 is provided with the form 41 for being used for scanning, observe.
It is 12mm at the sectional area of flow-guiding channel 10 minimum2；8mm at the sectional area minimum of exhaust passage 202.Annular sidewall first
70 milliliters of the volume that top 1a is enclosed.The volume that the top 1a of annular sidewall first is enclosed by annular sidewall first top 1a and annular
The elongated surfaces of the elongated surfaces of the top 1a of side wall first upper surface and the top 1a of annular sidewall first lower surface, which are enclosed, to be formed.
Embodiment 3：Below in conjunction with the accompanying drawings 3, Fig. 4, Fig. 5, Fig. 6 are described further to the utility model：
A kind of closed body fluid indwelling device is with taking liquid part, annular sidewall first 1 and annular sidewall second 2.
Annular sidewall first 1 encloses the flow-guiding channel 10 to be formed.The upper end of flow-guiding channel 10 is logical provided with inlet 11 and water conservancy diversion
The lower end in road 10 is provided with liquid outlet 12.Annular sidewall first 1 includes top 1a, the middle part 1b of annular sidewall first of annular sidewall first
With the bottom 1c of annular sidewall first.The top 1a of the annular sidewall first of annular sidewall first 1 is inverted frustum cone side.Annular sidewall
The middle part 1b of the annular sidewall first of first 1 by annular sidewall first top 1a the inside bending in lower end, then extend obliquely again to
Lower bending is formed, and the middle part 1b of annular sidewall first is provided with the first bending 14 and the second bending 15.The annular sidewall of annular sidewall first 1
The bottom 1c of first, by the middle part 1b of annular sidewall first of annular sidewall first 1, the second bending 15 is downwardly extending again.
Annular sidewall second 2 encloses the exhaust passage 20 to be formed.The upper end of annular sidewall second 2 is provided with gas outlet 22 and lower end
Exhaust outlet 21.Annular sidewall second 2 includes top 2a and bottom 2b.Exhaust passage 20 is straight-tube shape.
Exhaust passage 20 is located in the enclosed space of annular sidewall first 1, top 2a and the annular sidewall first 1 of annular sidewall second 2
The top 1a of annular sidewall first be not attached to, exhaust outlet 21 and liquid outlet 12 be not in sustained height, and liquid outlet 12 is less than exhaust outlet
21.The gas outlet 22 of the exhaust passage 20 is 10mm higher than the upper end 1c1 of the bottom of the annular sidewall first.Annular sidewall first
The top 1a of 1 annular sidewall first is provided with handle 3.The top 1a of the annular sidewall first of annular sidewall first 1 is located at the opposite of handle 3
Provided with drain mouth 13.The gas outlet 22 of exhaust passage 20 is higher than the low spot 131 of drain mouth 13.The gas outlet of the exhaust passage 20
Interference fit has shutter body 43 on 22 tops, the top 2a lateral walls of annular sidewall second 2.Shutter body 43 both can barrier liquid entrance
Gas outlet 22 ensures that the smooth gas discharge of exhaust passage 20.The shutter body 43 of shutter body 43 includes occlusion part 43b and fixed part
43a, occlusion part 43b are used for barrier liquid and enter gas outlet 22, and fixed part 43a, which is used to coordinate with annular sidewall second 2, to be fixed；Wherein
It is tabular that the occlusion part 43b, which is,.
Reinforcement 8 of the lateral wall of annular sidewall second 2 provided with 3 axial directions.
The middle part 1b of the annular sidewall first of annular sidewall first 1 is provided with shutter body first 40.The periphery of handle 3 is provided with shutter body
Second 42.
It is 15mm at the sectional area of flow-guiding channel 10 minimum2；5mm at the sectional area minimum of exhaust passage 202.Annular sidewall first
60 milliliters of the volume that top 1a is enclosed.The volume that the top 1a of annular sidewall first is enclosed by annular sidewall first top 1a and annular
The elongated surfaces of the elongated surfaces of the top 1a of side wall first upper surface and the top 1a of annular sidewall first lower surface, which are enclosed, to be formed.
Liquid part 100 is taken to be prepared using transparent material or transparent materials preparation.
When taking the liquid part 100 to be placed in 400 inactive state of horizontal table top, gas outlet 22 and the exhaust outlet 21 of exhaust passage are in institute
When stating the left and right sides for taking liquid part, the vertical range D1 of minimum point to the horizontal table top of gas outlet is more than the minimum point of liquid outlet
To the vertical range D2 of horizontal table top.
Claims (22)
1. a kind of closed body fluid indwelling device is with taking liquid part, including encloses the flow-guiding channel formed (10) by annular sidewall first (1), with
And the exhaust passage formed (20) is enclosed by annular sidewall second (2)；Exhaust passage (20) is enclosed positioned at the annular sidewall first (1)
In space, it is characterised in that：The annular sidewall second (2) is straight tube-like, bottom (2b) and the annular sidewall first of annular sidewall second
Bottom (1c) have an overlapping, flow-guiding channel (10) sectional area minimum place is more than or equal to 3mm2Less than or equal to 20mm2；Exhaust passage
(20) it is more than or equal to 2mm at sectional area minimum2Less than or equal to 15mm2。
2. a kind of closed body fluid indwelling device according to claim 1 is with taking liquid part, it is characterised in that：Annular sidewall second it is upper
Portion (2a) is not attached to the annular sidewall first (1).
3. according to a kind of closed body fluid indwelling device described in claim 1 with taking liquid part, it is characterised in that：The top of annular sidewall second
Reinforcement (8) of the lateral wall of (2a) provided with axial direction.
4. according to a kind of closed body fluid indwelling device described in claim 3 with taking liquid part, it is characterised in that：The reinforcement connects institute
State top (2a) and the annular sidewall first (1) of annular sidewall second.
5. a kind of closed body fluid indwelling device according to claim 3 is with taking liquid part, it is characterised in that：Exhaust passage (20) is cut
It is more than or equal to 2mm at area minimum2Less than or equal to 8mm2。
6. a kind of closed body fluid indwelling device according to claim 5 is with taking liquid part, it is characterised in that：Flow-guiding channel (10) is cut
It is for exhaust outlet (21) at area minimum at liquid outlet (12), exhaust passage (20) sectional area minimum.
7. a kind of closed body fluid indwelling device according to claim 6 is with taking liquid part, it is characterised in that：The exhaust passage
(20) cross section is circular or ellipse.
8. a kind of closed body fluid indwelling device according to claim 7 is with taking liquid part, it is characterised in that：The exhaust passage
(20) axis and the diameter parallel of the annular sidewall first (1).
9. a kind of closed body fluid indwelling device according to claim 8 is with taking liquid part, it is characterised in that：The exhaust passage
(20) axis and the diameter parallel on the flow-guiding channel top；Under the axis and the flow-guiding channel of the exhaust passage (20)
The diameter parallel in portion.
10. a kind of closed body fluid indwelling device according to any one of claim 1 to 9 is with taking liquid part, it is characterised in that：Exhaust
The gas outlet (22) of passage (20) is not less than the low spot (131) of drain mouth (13) on the annular sidewall first (1).
11. a kind of closed body fluid indwelling device according to claim 10 is with taking liquid part, it is characterised in that：The exhaust passage
(20) gas outlet (22) is not higher than the upper surface of the annular sidewall first (1).
12. a kind of closed body fluid indwelling device according to claim 11 is with taking liquid part, it is characterised in that：The exhaust passage
(20) gas outlet (22) is at least above upper end (1c1) 8mm of the bottom of the annular sidewall first.
13. a kind of closed body fluid indwelling device described in any one of claim 1 to 9 is with taking liquid part, it is characterised in that：Annular sidewall
The volume that the top (1a) of first is enclosed is more than 25 milliliters and is less than 100 milliliters.
14. a kind of closed body fluid indwelling device described in claim 13 is with taking liquid part, it is characterised in that：Annular sidewall first (1) by
The lower end downward bending on the top (1a) of annular sidewall first simultaneously extends to be formed.
15. a kind of closed body fluid indwelling device described in claim 14 is with taking liquid part, it is characterised in that：Annular sidewall first is by annular
Bending is formed still further below for the inside bending in bottom on side Bi Jia tops (1a).
16. a kind of closed body fluid indwelling device according to claim 14 is with taking liquid part, it is characterised in that：Annular sidewall first
The volume on top (1a) is more than 25 milliliters and is less than 100 milliliters.
17. a kind of closed body fluid indwelling device according to any one of claim 1 to 9 is with taking liquid part, it is characterised in that：Take liquid
When part is placed in horizontal table top (400) inactive state, and the gas outlet (22) of exhaust passage takes liquid with exhaust outlet (21) in described
During the left and right sides of part, the vertical range (D1) of minimum point to the horizontal table top of the gas outlet is more than the minimum point of liquid outlet extremely
The vertical range (D2) of horizontal table top.
18. a kind of closed body fluid indwelling device according to any one of claim 1 to 9 is with taking liquid part, it is characterised in that：It is described
Above the gas outlet (22) of exhaust passage (20) provided with both can barrier liquid enter the gas outlet (22) and ensure that exhaust is led to
The shutter body (43) of road (20) smooth gas discharge.
19. a kind of closed body fluid indwelling device according to claim 18 is with taking liquid part, it is characterised in that：The shutter body
(43) detachably coordinate with the annular sidewall second (2).
20. a kind of closed body fluid indwelling device according to claim 19 is with taking liquid part, it is characterised in that：It is described detachably to match somebody with somebody
It is combined into that screw thread coordinates, interference fit, clip coordinate, one of be clasped.
21. a kind of closed body fluid indwelling device according to claim 19 is with taking liquid part, it is characterised in that：The shutter body
(43) occlusion part (43b) and fixed part (43a) are included, the occlusion part (43b) is used for barrier liquid and enters the gas outlet
(22), the fixed part (43a) is used to coordinate with the annular sidewall second (2) and fixed；Wherein described occlusion part (43b) can be
One of tabular, arc-shaped, coniform, ball-crown body, column cup.
22. a kind of closed body fluid indwelling device according to any one of claim 1 to 9 is with taking liquid part, it is characterised in that：Water conservancy diversion
It is more than at passage (10) sectional area minimum at exhaust passage (20) sectional area minimum.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101610 | 2015-12-26 | ||
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| CN206577775U true CN206577775U (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610953980.6A Pending CN106914285A (en) | 2015-12-26 | 2016-11-03 | A kind of closed body fluid indwelling device is with taking liquid part |
| CN201621182603.9U Active CN206577775U (en) | 2015-12-26 | 2016-11-03 | A kind of closed body fluid indwelling device is with taking liquid part |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610953980.6A Pending CN106914285A (en) | 2015-12-26 | 2016-11-03 | A kind of closed body fluid indwelling device is with taking liquid part |
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| CN (2) | CN106914285A (en) |
| TW (1) | TWM543675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522475A (en) * | 2018-05-23 | 2019-12-03 | 无锡市凯顺医疗器械制造有限公司 | A kind of closed body fluid indwelling device is with taking liquid part and closed body fluid indwelling device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746065A (en) * | 2017-11-01 | 2019-05-14 | 无锡市凯顺医疗器械制造有限公司 | A kind of connection structure taken between liquid part lower passage |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08244891A (en) * | 1995-03-07 | 1996-09-24 | Isuzu Motors Ltd | Funnel |
| CN2589452Y (en) * | 2002-12-24 | 2003-12-03 | 郑负 | Bent nose funnel |
| CN2853763Y (en) * | 2005-11-30 | 2007-01-03 | 董传海 | Medicine dispensing funnel with built-in exhaust pipe |
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2016
- 2016-11-03 CN CN201610953980.6A patent/CN106914285A/en active Pending
- 2016-11-03 CN CN201621182603.9U patent/CN206577775U/en active Active
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522475A (en) * | 2018-05-23 | 2019-12-03 | 无锡市凯顺医疗器械制造有限公司 | A kind of closed body fluid indwelling device is with taking liquid part and closed body fluid indwelling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106914285A (en) | 2017-07-04 |
| TWM543675U (en) | 2017-06-21 |
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