CN106914285A - 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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- CN106914285A CN106914285A CN201610953980.6A CN201610953980A CN106914285A CN 106914285 A CN106914285 A CN 106914285A CN 201610953980 A CN201610953980 A CN 201610953980A CN 106914285 A CN106914285 A CN 106914285A
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- annular sidewall
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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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- Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to medicine equipment, the more particularly, to device of collection of body fluids.A kind of closed body fluid indwelling device of the present invention is with taking liquid part, including annular sidewall first and annular sidewall second；Annular sidewall first encloses the flow-guiding channel to be formed, and annular sidewall second encloses the exhaust passage to be formed；The top of the annular sidewall second is not attached to the annular sidewall first, and 3mm is more than or equal at flow-guiding channel sectional area minimum2Less than or equal to 15mm2；It is more than or equal to 3mm at the sectional area minimum of exhaust passage2Less than or equal to 15mm2.The present invention has that processing is simple, reduce production cost, and production efficiency is high, and can anti-backflow advantage.
Description
Technical field
The present invention relates to medicine equipment, the more particularly, to device of collection of body fluids.
Background technology
The closed body fluid indwelling device of prior art only has flow-guiding channel with liquid part is taken, and exhaust passage is not set, especially to small
Aperture container irrigates liquid, 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.Additionally, take liquid part there is provided exhaust passage, but produce and process more complicated, high cost, production efficiency is relatively low, the speed of water conservancy diversion
It is not fast enough.
The content of the invention
Simple, reduction production cost is processed it is an object of the invention to provide one kind, production efficiency is high, and water conservancy diversion is fast, and can
The closed body fluid indwelling device of anti-backflow is with taking liquid part.
What goal of the invention of the invention was realized in：
A kind of closed body fluid indwelling device is with taking liquid part, including annular sidewall first and annular sidewall second.The annular sidewall first is enclosed
Liquid-conveying ducts are formed, with upper shed and under shed.The upper shed is located at the top of the liquid-conveying ducts, the under shed
Positioned at the bottom of the liquid-conveying ducts.Annular sidewall first includes annular sidewall first top, bottom sealing plate and annular sidewall first bottom.
The annular sidewall first top is located at the top of the bottom sealing plate, and the annular sidewall first bottom is located under the bottom sealing plate
Side.The annular sidewall first top is used to collect and gather liquid；The annular sidewall first bottom is used to be connected with liquid storage equipment；
Because the internal diameter of the flow-guiding channel on annular sidewall first top is inconsistent with the internal diameter of the flow-guiding channel of annular sidewall bottom, the bottom
One of shrouding effect is that the liquid-conveying ducts for being located at annular sidewall first top are connected with the liquid-conveying ducts of annular sidewall first bottom.Institute
Annular sidewall second is stated for straight tube-like；The annular sidewall second bottom is located in the under shed, annular sidewall first bottom and annular
The bottom of side wall second has public side wall；The top of annular sidewall second is adjacent to the annular sidewall first top；From annular sidewall
First topmost connection one perpendicular to annular sidewall second or it is axially extending after annular sidewall second line of shortest length section, the line of shortest length
Segment length is not more than in the extended line of line of shortest length section or the straight line parallel with line of shortest length section and the annular sidewall first
The 35% of the nose segment length that edge is topmost crossed to form.It is preferred that the line of shortest length segment length is not more than the nose segment length
The 25% of degree.Preferred version is that the line of shortest length segment length is not more than the 20% of the nose segment length.Preferred plan is described
Line of shortest length segment length is not more than the 10% of the nose segment length.I.e. the top of annular sidewall second is not in the annular sidewall first
The center of the flow-guiding channel on top, and it is proximate to the side wall on annular sidewall first top.Annular sidewall first is topmost to annular sidewall
Second line of shortest length section be：Company of the straight line between annular sidewall second and annular sidewall first vertical range most short between topmost
Line after line, or annular sidewall second axially-extending between the vertical range most short between topmost with annular sidewall first.
In such scheme, the public side wall refers to the public side wall for separating liquid-conveying ducts and exhaust passage, described
The wall thickness of public side wall more than or equal to 0.3mm and less than or equal to 5mm.The public side wall is downwardly extending cut-off body,
Axial groove is provided with cut-off body, as described public side wall is provided with axial groove.The axial groove can
Extend the service life of production mould.Axial blind hole can be also provided with the public side wall.The blind hole can reduce production
During public side wall washing shrinkage, so as to improve the yield rate of product.
In such scheme, the area that annular sidewall second encloses at the sectional area minimum of the exhaust passage to be formed is more than or equal to
3mm2And less than or equal to 15mm2.The vent channel cross-sectional area that exhaust passage is located at the sectional area minimum of exhaust passage is minimum
The area at place is more than or equal to 3mm2And less than or equal to 15mm2Closure can be effectively formed when taking liquid part and outwelling wherein surplus liquid
Liquid film, it is to avoid the liquid in test tube is poured out from exhaust passage.
In such scheme, the annular sidewall first encloses to form flow-guiding channel, and the annular sidewall first top is used to collect
Liquid, the annular sidewall first bottom is used to connect, at the sectional area minimum of the flow-guiding channel of the annular sidewall first bottom
Area is more than or equal to 3mm2And less than or equal to 15mm2.The water conservancy diversion that annular sidewall first bottom is located at flow-guiding channel sectional area minimum leads to
The liquid outlet in road.Area at flow-guiding channel sectional area minimum is more than or equal to 3mm2And less than or equal to 15mm2Can be outwelled liquid part is taken
Wherein surplus liquid when, be effectively formed the liquid film of closure, it is to avoid the liquid in test tube is poured out from flow-guiding channel.
In such scheme, circulated less than the lower guide of annular sidewall first at the exhaust passage sectional area minimum of annular sidewall second
At road sectional area minimum.Exhaust passage is provided with bending in the prior art, is not straight-tube shape, so general exhaust passage sectional area
More than or equal to the sectional area at flow-guiding channel sectional area minimum at minimum, the full liquid of storage in the test tube for taking the cooperation of liquid part
When, still liquid is had, it is necessary to liquid part will can be taken after the surplus liquid in taking liquid part is outwelled in the flow-guiding channel for taking liquid part
Separated with test tube, it is bigger than at liquid-conveying ducts sectional area minimum at the sectional area minimum of exhaust passage, therefore the bending of exhaust passage can
The liquid in test tube is avoided to be poured out by exhaust passage.But the shortcoming of prior art is, because there is bending in exhaust passage, so
During pouring liquid test tube, invisible spectro gas exit velocity is slow.Using the annular sidewall second of straight tube-like in the present invention
Enclose to form exhaust passage, so the speed that gas is discharged in test tube, further, since at the sectional area minimum of exhaust passage
Less than flow-guiding channel sectional area minimum at, outwell take liquid part in surplus liquid when, the exhaust outlet in exhaust passage is easier shape
Into liquid film, so as to effectively prevent liquid from being poured out from exhaust passage.
In such scheme, the cross section of at least part of liquid-conveying ducts is ellipse, or at least part of exhaust passage is transversal
Face is ellipse, or the cross section of at least partly liquid-conveying ducts is that oval and at least partly exhaust passage cross section is ellipse
Shape.Take the exhaust passage of liquid part junction, flow-guiding channel and use cross section for oval, can be when drain and exhaust not be influenceed, drop
Low wall thickness, reduces material usage.
In such scheme, the shape of annular sidewall first（Ignore drain mouth）Can with rule, such as or so, before and after it is symmetrical,
Truncated cones shape etc., may also be irregular shape.
In such scheme, the bottom sealing plate is used to distinguish the annular sidewall first top and annular sidewall first bottom company
Connect；The bottom sealing plate is provided with guide face, and the guide face at least includes an inclined-plane, and guide face can be strip, also may be used
It is other shapes, but not limited to this.Guide face can be it is horizontally disposed can also be angularly disposed, when angularly disposed, guide face
It is made up of two inclined-planes and two inclined-planes is connected in bottom and forms V shape.Under the low one end of the guide face and annular sidewall first
The flow-guiding channel in portion is connected.The guide face of the bottom sealing plate forms the diversion channel with potential difference with side.Diversion channel can be with
The good guide effect of liquid, and adjustable high flow rate, shorten the speed of perfusion.
In such scheme, the liquid part that takes is projected on downwards on plane Q, outside the projection of the under shed of the annular sidewall first
Profile N is most nearby connected straight line with the projection outline M of the upper shed of the annular sidewall first, in the upper and lower of projection outline N
Direction or left and right directions, the straight line form two length at least between the projection outline N and the projection outline M
The line segment first and line segment second not waited；The projection outline R of annular sidewall second is located in the projection outline N, outside the projection
Profile N is located within the projection outline M, and non-intersect.
Further, the line segment second is company of the straight line in projection outline N with the projection outline M most nearby
Line, line segment second is not more than the 45% of line segment first.
In such scheme, the liquid part that takes is projected on downwards on plane Q, outside the projection of the under shed of the annular sidewall first
Profile N is most nearby connected straight line with the projection outline M of the upper shed of the annular sidewall first, in the upper and lower of projection outline N
Direction or left and right directions, the straight line form three lines at least between the projection outline N and the projection outline M
Section, the projection outline N intersects with the projection outline M, and it is P to occur simultaneously, and line segment third and line segment fourth are divided to the two of row and common factor P
Side, line segment penta is located in common factor P, the length of the line segment third and line segment fourth or line segment penta.The length of line segment fourth and line segment penta
Degree can be consistent, also can be inconsistent.
When line segment penta is straight line line most nearby between the outline N and projection outline M is projected, line
Section penta is not more than the 45% of line segment third.Or line segment fourth be the straight line project the outline N and projection outline M between most
During line nearby, line segment fourth is not more than the 45% of line segment third.Or be that the straight line exists when line segment penta and line segment fourth equal length
Between the projection outline N and projection outline M during line most nearby, line segment penta, line segment fourth are not more than line segment third
45%。
In such scheme, the annular sidewall first top is used to collect liquid, and the annular sidewall first bottom is used for and examination
Pipe connection cooperation, the axis of the annular sidewall second and the diameter parallel of annular sidewall first bottom.
In such scheme, the axis on the annular sidewall first top is misaligned with the axis of the annular sidewall first bottom,
And the axis of annular sidewall second is away from the axis on the annular sidewall first top.
In such scheme, the flow-guiding channel sectional area of at least part of annular sidewall first bottom.Wherein, flow-guiding channel cuts
Area is the sectional area of flow-guiding channel cross section.As being provided with step first in the flow-guiding channel of annular sidewall first bottom；The step
First is narrow wide under being in the flow-guiding channel of the annular sidewall first bottom, may also be low wide and up narrow.When taking liquid
When part topples over surplus liquid, the low wide and up narrow step first of the flow-guiding channel of the annular sidewall first bottom can prevent test tube
In liquid poured out from the flow-guiding channel for taking liquid part.Narrow upper width is set in the flow-guiding channel of the annular sidewall first bottom
Step, then be conducive to the production of mould, improve yield rate.
In such scheme, the exhaust passage sectional area of the bottom of at least part of annular sidewall second.Wherein, the annular
The exhaust passage sectional area of the bottom of side wall second refers to the sectional area of the cross section of exhaust passage.Can be, the annular sidewall second
Bottom exhaust passage under narrow upper width be formed with step second；Can also be that the exhaust passage of the bottom of annular sidewall second is cut
Area gradual reduction from top to bottom；When taking liquid part and toppling over surplus liquid, liquid in test tube can be prevented from taking liquid part
Poured out in the exhaust passage.
The present invention has advantages below：
1st, due to the exhaust passage using straight-tube shape, the present invention reduces mechanism, reduces mould compared with prior art mold structure
Preparation expense, the technology of the present invention cost than prior art mold expense reduce about 15%.
2nd, the present invention subtracts in production molding time because exhaust passage is using keeping to the side and straight tube-like structure compared with prior art
A few step, process time shortens, and the technology of the present invention process time shortens about 10% than prior art.
3rd, the present invention can mold quantity on same mould（0.16 cubic metre）, can be molded in same volume mould compare in quantity
Compared with the present invention can open 6, and prior art can only open 4, and present invention die sinking quantity increases by 50% than prior art.
4th, because annular sidewall second (exhaust passage) is near annular sidewall first, reduce liquid and block exhaust passage exhaust outlet
Probability.
5th, the cross section of exhaust passage of the present invention is ellipse, and the cross section of liquid-conveying ducts is ellipse, is ensureing drain
And while smooth gas discharge, the consumption of material can be reduced.
6th, liquid part and test tube are taken using same volume, area of section is identical at inlet minimum, exhaust passage minimum
Place's section hydrops is also identical, and 5 milliliters of liquid outlets of speed per second of alignment carry out adopting liquid, surveys it and fills test tube required time, this hair
Bright to adopt the liquid time for 3 S, prior art adopts the liquid time for 3.3 S-phase ratios, and the technology of the present invention fills test tube required time than existing
Technology shortens about 10%.
Brief description of the drawings
Fig. 1 is the schematic top plan view that exhaust passage of the invention is located in annular sidewall first enclosed space.
Fig. 2 is the elevational schematic view that exhaust passage of the invention is located in annular sidewall first enclosed space.
Fig. 3 is the schematic diagram that exhaust passage of the invention is located in annular sidewall first enclosed space.
Fig. 4 be under shed of the invention projection outline N be located at schematic diagram within the projection outline M of upper shed-
1。
Fig. 5 be under shed of the invention projection outline N be located at schematic diagram within the projection outline M of upper shed-
2。
Fig. 6 is the schematic top plan view that exhaust passage of the invention is located at outside annular sidewall first enclosed space.
Fig. 7 is the elevational schematic view that exhaust passage of the invention is located at outside annular sidewall first enclosed space.
Fig. 8 is the schematic diagram that exhaust passage of the invention is located at outside annular sidewall first enclosed space.
Fig. 9 is the schematic diagram -1 that the projection outline N of under shed of the invention intersects with the projection outline M of upper shed.
Figure 10 is the schematic diagram -2 that the projection outline N of under shed of the invention intersects with the projection outline M of upper shed.
Figure 11 is the schematic diagram of the diversion channel that exhaust passage of the invention is located in annular sidewall first enclosed space.
Figure 12 is the schematic diagram of the diversion channel that exhaust passage of the invention is located at outside annular sidewall first enclosed space.
Figure 13 is the schematic diagram -3 that the projection outline N of under shed of the invention intersects with the projection outline M of upper shed.
Figure 14 is the schematic diagram -4 that the projection outline N of under shed of the invention intersects with the projection outline M of upper shed.
Figure 15 is schematic diagrames -3 of the projection outline N of under shed of the invention in the projection outline M of upper shed.
Figure 16 is the schematic diagram -1 of connecting portion of the invention.
Figure 17 is the schematic diagram -2 of connecting portion of the invention.
Figure 18 is the schematic diagram -3 of connecting portion of the invention.
Reeded structural representation is set on Figure 19 cut-off bodies of the invention.
Figure 20 one embodiment of the invention structural representations.
In figure：
1 annular sidewall first, 10 liquid-conveying ducts, 11 upper sheds, 12 under sheds, the upper surface of 13 annular sidewall first, 14 annular sidewalls
The lower surface of first, the projection outline N of 15 under sheds, the projection outline M of 16 upper sheds, 17 line segment first, 18 line segment second, 1a rings
Shape side Bi Jia tops, 1b annular sidewall first bottom, 19a inlets, 19b liquid outlets, 17a line segments third, 18a line segment fourths, 18b line segments
Penta, 17-1 line segment, 17-2 line segments, 18-1 line segments, 18-2 line segments,
2 annular sidewall second, 21 exhaust passages, 22 outlines be R, 23 gas outlets, 24 exhaust outlets,
3 cut-off bodies, 4 shutter bodies, 5 bottom sealing plates, 51 guide faces, 52 sides, 53 diversion channels, 54 blind holes, 55 grooves,
6 drain mouths, 7 connecting portions, 71 drain through holes, 72 exhaust through holes, 73 step first, 74 step second,
The top of 711 drain through holes, the bottom of 712 drain through holes,
The top of 721 exhaust through holes, the bottom of 722 exhaust through holes,
9 plane Q, P common factors,
The axis on A annular sidewall first top, the axis of B annular sidewall first bottom, the axis of C annular sidewall second, D drain through holes
Axis, E be vented through hole axis,
Public side wall wall thickness between the flow-guiding channel of M annular sidewall first bottom and the exhaust passage,
Vertical range of the d1 annular sidewalls second with annular sidewall first topmost most nearby,
The nose segment length that the extended line of d2 lines of shortest length section is topmost crossed to form with annular sidewall first inner edge,
The distance of the axis of d3 annular sidewall first and the axis of annular sidewall second.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings, and following examples are only preference, is not to this hair
Bright scope is any limitation as, on the contrary, being arranged in institute of the present invention the purpose is to wish to cover various changes and tool equality
It is intended in the category of the scope of the claims applied.
Embodiment 1：The present invention is described further for 1 to accompanying drawing 5, Figure 11 below in conjunction with the accompanying drawings：
A kind of closed body fluid indwelling device is with taking liquid part, including annular sidewall first 1 and annular sidewall second 2.
Annular sidewall first 1 has upper shed 11 and under shed 12.Annular sidewall first 1 includes annular sidewall first top 1a, bottom
Shrouding 5 and annular sidewall first bottom 1b.Annular sidewall first 1 encloses to form flow-guiding channel 10.Liquid-conveying ducts 10 have inlet
19a and liquid outlet 19b.Annular sidewall first top 1a is used to collect liquid, and annular sidewall first bottom 1b is used to coordinate company with test tube
Connect, bottom sealing plate 5 is connected with annular sidewall first top 1a and annular sidewall first bottom 1b respectively.Annular sidewall first bottom 1b is and connects
Socket part 7.Bottom sealing plate 5 is provided with guide face 51, and guide face 51 is the inclined-plane of a strip, the low one end of guide face 51 and annular sidewall
The drain through hole 71 of the connecting portion 7 of first bottom 1b is connected.The guide face 51 of bottom sealing plate 5 forms leading with potential difference with side 52
Stream canal 53.
Annular sidewall second 2 encloses the exhaust passage 21 to be formed, and annular sidewall second 2 is straight tube-like.
The axis A on annular sidewall first top is parallel with the axis C of annular sidewall second.The axis A on annular sidewall first top with
The axis B of annular sidewall first bottom is misaligned, and the axis A on annular sidewall first top is parallel with the axis B of annular sidewall first bottom；
The axis C of annular sidewall second is parallel with the axis B of annular sidewall first bottom；And the axis C of annular sidewall second is away from annular sidewall
The axis A on first top.
Liquid part is taken to be projected on downwards on plane Q9.Annular sidewall second 2 is projected as outline R22 on plane Q9.Under
The projection outline N15 of opening is most nearby connected straight line with the projection outline M16 of upper shed, and the straight line is under shed
Line segment first 17 and line segment 18 are formed on projection outline N15 and the projection outline M16 of upper shed, the length of line segment first 17 is much larger than
Line segment second 18.Line segment second 18 is line of shortest length section of the annular sidewall first topmost between the annular sidewall second of axially-extending.
The length of line segment second 18 is annular sidewall second vertical range d1 with annular sidewall first topmost most nearby.Annular
The top adjacent rings side Bi Jia tops 1a of side wall second, apart from annular sidewall first 1, most nearby vertical range d1 is annular sidewall second 2
5mm。
The nose segment length d2 that extended line and annular sidewall first inner edge the top of line of shortest length section are crossed to form is
100mm, d1 are the 5% of d2.
The internal diameter of the projection outline N15 of under shed is 13mm, and external diameter is 15mm.Line segment second 18 is line segment first 17
6.25%.Public side wall wall thickness M between the flow-guiding channel of annular sidewall first bottom and exhaust passage is 3mm.Under annular sidewall first
Public side wall between the flow-guiding channel in portion and exhaust passage is provided with two blind holes 54, and is downwardly extending in public side wall
Cut-off body 3 be provided with groove 55.
The projection outline N15 of under shed is located within the projection outline M16 of upper shed, and non-intersect.Outline R22
In the projection outline N15 of under shed.
Sectional area at the sectional area minimum of the flow-guiding channel 21 of connecting portion 7 is 10mm2, the sectional area of exhaust passage 21 is most
The sectional area at small place is 5mm2.Annular sidewall first bottom 1b is located at flow-guiding channel sectional area minimum,
The cross section of the liquid-conveying ducts 10 of annular sidewall first bottom 1b is ellipse, and the cross section of exhaust passage 21 is ellipse.
Understood with reference to Figure 15,
Liquid part is taken to be projected on downwards on plane Q9.Annular sidewall second 2 is projected as outline R22 on plane Q9.In under shed
Projection outline N15 be most nearby connected straight line with the projection outline M16 of upper shed；
In the above-below direction of annular sidewall second 2：Projection outline N15 and the projection outline of upper shed of the straight line under shed
Line segment 17-2 and line segment 18-2 is formed on M16；
On the left and right directions of annular sidewall second 2, projection outline N15 and the projection foreign steamer of upper shed of the straight line under shed
Line segment 17-1 and line segment 18-1 is formed on wide M16；
Wherein, line segment 18-1, line segment 17-2 are identical with line segment 18-2 length, are annular sidewall second 2 apart from annular sidewall first 1
Vertical range d1 most nearby；The length of line segment 17-1 is more than line segment 18-1 length, line segment 17-2 length and line segment 18-2 length.
The top adjacent rings side Bi Jia tops of annular sidewall second, annular sidewall second 2 apart from annular sidewall first 1 topmost most
Nearby vertical range d1 is 8mm.
In annular sidewall second 2 straight line, the extended line of line of shortest length section are topmost most nearby connected apart from annular sidewall first 1
The nose segment length d2 being topmost crossed to form with annular sidewall first inner edge is 120mm, and d1 is the 6.67% of d2.
Line segment 18-1 length is the 7.84% of line segment 17-1 length.The flow-guiding channel of annular sidewall first bottom and exhaust passage
Between public side wall wall thickness M be 3mm.
In above-described embodiment, wherein, drain through hole 71 can be as shown in figure 16：Step first is provided with drain through hole 71
73, the bottom 712 cross section sectional area of the cross section sectional area of top 711 more than drain through hole of drain through hole.Exhaust is passed through
Through hole 72 is truncated cones shape, and the cross section sectional area for being vented through hole is gradually reduced from top to bottom.The bottom of drain through hole
712 cross section sectional areas are more than sectional area at the cross section minimum of exhaust through hole 72.
Drain through hole 71 also can be as shown in figure 17：Step first 73 is provided with drain through hole 71, drain through hole
Top 711 cross section sectional area of the cross section sectional area of bottom 712 more than drain through hole.Exhaust through hole 72 is truncated cones
Shape, the cross section sectional area for being vented through hole is gradually reduced from top to bottom.The cross section sectional area of top 711 of drain through hole is big
The sectional area at the cross section minimum of exhaust through hole 72.
Drain through hole 71 also can be as shown in figure 18：Step first 73 is provided with drain through hole 71, drain through hole
Top 711 cross section sectional area of the cross section sectional area of bottom 712 more than drain through hole.Step is provided with exhaust through hole 72
Second 74, is vented the cross section sectional area of the bottom 722 of the cross section sectional area more than exhaust through hole on the top 721 of through hole.
Cross section sectional area of the cross section sectional area of top 711 of drain through hole more than the bottom 722 of exhaust through hole.
Embodiment 2：The present invention is described further for 6 to accompanying drawing 10, Figure 12 below in conjunction with the accompanying drawings：
A kind of closed body fluid indwelling device is with taking liquid part, including annular sidewall first 1 and annular sidewall second 2.
Annular sidewall first 1 has upper shed 11 and under shed 12.Annular sidewall first 1 includes annular sidewall first top 1a, bottom
Shrouding 5 and annular sidewall first bottom 1b.Annular sidewall first 1 encloses to form flow-guiding channel 10.Liquid-conveying ducts 10 have inlet
19a and liquid outlet 19b.Annular sidewall first top 1a is used to collect liquid, and annular sidewall first bottom 1b is used to coordinate company with test tube
Connect, bottom sealing plate 5 is connected with annular sidewall first top 1a and annular sidewall first bottom 1b respectively.Annular sidewall first bottom 1b is and connects
Socket part 7.Bottom sealing plate 5 is provided with guide face 51, and guide face 51 is the inclined-plane of a strip, the low one end of guide face 51 and annular side
The drain through hole 71 of the connecting portion 7 of wall first bottom 1b is connected.The guide face 51 of bottom sealing plate 5 is formed with potential difference with side 52
Diversion channel 53.
Annular sidewall second 2 encloses the exhaust passage 21 to be formed, and annular sidewall second 2 is straight tube-like.
The axis A on annular sidewall first top is parallel with the axis C of annular sidewall second.The axis A on annular sidewall first top with
The axis B of annular sidewall first bottom is misaligned, and the axis A on annular sidewall first top is parallel with the axis B of annular sidewall first bottom；
The axis C of annular sidewall second is parallel with the axis B of annular sidewall first bottom；And the axis C of annular sidewall second is away from annular sidewall
The axis A on first top.
Liquid part is taken to be projected on downwards on plane Q9.The projection outline N15 of the under shed and projection outline M16 of upper shed
Intersecting, it is P to occur simultaneously.Annular sidewall second 2 is projected as outline R22 on plane Q9.Outline R22 is located at the projection of under shed
In outline N15.
Straight line is most nearby connected with the projection outline M16 of upper shed in the projection outline N15 of under shed, this is straight
Line forms the 17a of line segment third, line segment fourth 18a and line on the projection outline N15 of under shed and the projection outline M16 of upper shed
Penta the third 17a of 18b. line segments of section and line segment fourth 18a line segments are respectively in the both sides of common factor P.The 18b of line segment penta is located in common factor P.
The third 17a of line segment length is much larger than the 18b of line segment penta, line segment fourth 18a.The length of the 18b of line segment penta is more than line segment fourth 18a's
Length.Line of shortest length section is line segment fourth 18a.
Annular sidewall second 2 is d1 apart from the vertical range most nearby of annular sidewall first 1, and d1 is the length of line segment fourth 18a
Degree.Apart from annular sidewall first 1, most nearby vertical range d1 is 6mm to annular sidewall second 2.
The nose segment length that the extended line of line of shortest length section is topmost crossed to form with annular sidewall first inner edge is for d2 is
80mm, d1 are the 7.5% of d2.
The internal diameter of the projection outline N15 of under shed is 13mm, and external diameter is 15mm.Line segment second 18 is line segment first 17
10.17%.Public side wall wall thickness M between the flow-guiding channel of annular sidewall first bottom and exhaust passage is 3.5mm.
Sectional area at the sectional area minimum of the flow-guiding channel 21 of connecting portion 7 is 10mm2, the sectional area of exhaust passage 21 is most
The sectional area at small place is 5mm2.Annular sidewall first bottom 1b is located at flow-guiding channel sectional area minimum.
The cross section of the liquid-conveying ducts 10 of annular sidewall first bottom 1b is ellipse, and the cross section of exhaust passage 21 is ellipse
Shape.
Embodiment 3：Below in conjunction with the accompanying drawings 6, the present invention is described further for Fig. 7, Fig. 8, Figure 12, Figure 13, Figure 14：
A kind of closed body fluid indwelling device is with taking liquid part, including annular sidewall first 1 and annular sidewall second 2.
Annular sidewall first 1 has upper shed 11 and under shed 12.Annular sidewall first 1 includes annular sidewall first top 1a, bottom
Shrouding 5 and annular sidewall first bottom 1b.Annular sidewall first 1 encloses to form flow-guiding channel 10.Liquid-conveying ducts 10 have inlet
19a and liquid outlet 19b.Annular sidewall first top 1a is used to collect liquid, and annular sidewall first bottom 1b is used to coordinate company with test tube
Connect, bottom sealing plate 5 is connected with annular sidewall first top 1a and annular sidewall first bottom 1b respectively.Annular sidewall first bottom 1b is and connects
Socket part 7.Bottom sealing plate 5 is provided with guide face 51, and guide face 51 is the inclined-plane of a strip, the low one end of guide face 51 and annular side
The drain through hole 71 of the connecting portion 7 of wall first bottom 1b is connected.The guide face 51 of bottom sealing plate 5 is formed with potential difference with side 52
Diversion channel 53.
Annular sidewall second 2 encloses the exhaust passage 21 to be formed, and annular sidewall second 2 is straight tube-like.
The axis A on annular sidewall first top is parallel with the axis C of annular sidewall second.The axis A on annular sidewall first top with
The axis B of annular sidewall first bottom is misaligned, and the axis A on annular sidewall first top is parallel with the axis B of annular sidewall first bottom；
The axis C of annular sidewall second is parallel with the axis B of annular sidewall first bottom；And the axis C of annular sidewall second is away from annular sidewall
The axis A on first top.
Liquid part is taken to be projected on downwards on plane Q9.The projection outline N15 of the under shed and projection outline M16 of upper shed
Intersecting, it is P to occur simultaneously.Annular sidewall second 2 is projected as outline R22 on plane Q9.Outline R22 is located at the projection of under shed
In outline N15.
Straight line is most nearby connected with the projection outline M16 of upper shed in the projection outline N15 of under shed, this is straight
Line forms the 17a of line segment third, line segment fourth 18a and line on the projection outline N15 of under shed and the projection outline M16 of upper shed
Penta the third 17a of 18b. line segments of section and line segment fourth 18a line segments are respectively in the both sides of common factor P.The 18b of line segment penta is located in common factor P.
Length of the length of line segment fourth 18a more than the 18b of line segment penta.The third 17a of line segment length is much larger than the 18b of line segment penta.Line segment
Penta 18b is line of shortest length section.
Annular sidewall second 2 is d1 apart from the vertical range most nearby of annular sidewall first 1, and d1 is the length of the 18b of line segment penta
Degree.Apart from annular sidewall first 1, most nearby vertical range d1 is 6mm to annular sidewall second 2.
The nose segment length that the extended line of line of shortest length section is topmost crossed to form with annular sidewall first inner edge is for d2 is
80mm, d1 are the 7.5% of d2.
The internal diameter of the projection outline N15 of under shed is 13mm, and external diameter is 15mm.Line segment second 18 is line segment first 17
10.17%.Public side wall wall thickness M between the flow-guiding channel of annular sidewall first bottom and exhaust passage is 3.5mm.
Sectional area at the sectional area minimum of the flow-guiding channel 21 of connecting portion 7 is 10mm2, the sectional area of exhaust passage 21 is most
The sectional area at small place is 5mm2.Annular sidewall first bottom 1b is located at flow-guiding channel sectional area minimum.
The cross section of the liquid-conveying ducts 10 of annular sidewall first bottom 1b is ellipse, and the cross section of exhaust passage 21 is ellipse
Shape.
Claims (10)
1. a kind of closed body fluid indwelling device is with taking liquid part, including annular sidewall first and annular sidewall second；Annular sidewall first encloses shape
Into flow-guiding channel, annular sidewall second encloses the exhaust passage to be formed；It is characterized in that：The top of the annular sidewall second and institute
State annular sidewall first to be not attached to, 3mm is more than or equal at flow-guiding channel sectional area minimum2Less than or equal to 15mm2；Exhaust passage section
It is more than or equal to 3mm at product 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：The annular sidewall second
It is straight tube-like, the bottom of annular sidewall first and the bottom of annular sidewall second have public side wall.
3. a kind of closed body fluid indwelling device according to claim 2 is with taking liquid part, it is characterised in that：Annular sidewall first includes
Annular sidewall first top, bottom sealing plate and annular sidewall first bottom；The annular sidewall first top is located at the top of the bottom sealing plate,
The annular sidewall first bottom is located at the lower section of the bottom sealing plate；The annular sidewall second bottom is located under shed first；Annular
The top of side wall second is adjacent to the annular sidewall first top；From the connection one topmost of annular sidewall first perpendicular to annular sidewall second
Or it is axially extending after annular sidewall second line of shortest length section, the line of shortest length segment length is not more than the extended line of line of shortest length section
Or the nose segment length being topmost crossed to form with the annular sidewall first inner edge with the line of shortest length parallel straight line of section
35%。
4. a kind of closed body fluid indwelling device according to claim 4 is with taking liquid part, it is characterised in that：The line of shortest length segment length
Degree is not more than the 25% of the nose segment length.
5. a kind of closed body fluid indwelling device according to claim 2 is with taking liquid part, it is characterised in that：Liquid part is taken to project downwards
In on plane Q, outside the projection outline N of the under shed of the annular sidewall first and the projection of the upper shed of the annular sidewall first
Profile M most nearby connects straight line, and on the above-below direction or left and right directions of projection outline N, the straight line is at least in the throwing
Two length line segment first and line segment second not etc. is formed between shadow outline N and the projection outline M；The throwing of annular sidewall second
Shadow outline R is located in the projection outline N, and the projection outline N is located within the projection outline M, and not phase
Hand over.
6. a kind of closed body fluid indwelling device according to claim 6 is with taking liquid part, it is characterised in that：The line segment second is institute
Line of the straight line in projection outline N with the projection outline M most nearby is stated, line segment second is not more than the 45% of line segment first.
7. a kind of closed body fluid indwelling device according to claim 2 is with taking liquid part, it is characterised in that：Annular sidewall first
Axis is more than or equal to 10mm and less than or equal to 50mm with the distance of the axis of annular sidewall second.
8. a kind of closed body fluid indwelling device according to claim 2 is with taking liquid part, it is characterised in that：The annular sidewall second
It is not more than 20mm with annular sidewall first distance most nearby.
9. a kind of closed body fluid indwelling device according to claim 2 is with taking liquid part, it is characterised in that：The annular sidewall second
Upper shed second the upper shed first track of the annular sidewall first is flowed into away from liquid, liquid enters described during reduction takes liquid
The probability of upper shed second.
10. a kind of closed body fluid indwelling device according to claim 2 is with taking liquid part, it is characterised in that：In annular sidewall first
Portion is used to collect liquid, and annular sidewall first bottom is used to be connected cooperation, the axis and annular side of the annular sidewall second with test tube
The diameter parallel of wall first bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/104889 WO2017107687A1 (en) | 2015-12-26 | 2016-11-07 | Liquid extraction piece for airtight body fluid indwelling device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101610 | 2015-12-26 | ||
| CN2015211016107 | 2015-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106914285A true CN106914285A (en) | 2017-07-04 |
Family
ID=59453236
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182603.9U Active CN206577775U (en) | 2015-12-26 | 2016-11-03 | A kind of closed body fluid indwelling device is with taking liquid part |
| CN201610953980.6A Pending CN106914285A (en) | 2015-12-26 | 2016-11-03 | A kind of closed body fluid indwelling device is with taking liquid part |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182603.9U Active CN206577775U (en) | 2015-12-26 | 2016-11-03 | A kind of closed body fluid indwelling device is with taking liquid part |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN206577775U (en) |
| TW (1) | TWM543675U (en) |
Cited By (2)
| 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 |
| 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 |
|---|---|---|---|---|
| CN112539960A (en) * | 2019-09-20 | 2021-03-23 | 无锡市凯顺医疗器械制造有限公司 | Liquid collector and test tube assembly matching structure and liquid collector thereof |
Citations (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 |
-
2016
- 2016-11-03 CN CN201621182603.9U patent/CN206577775U/en active Active
- 2016-11-03 CN CN201610953980.6A patent/CN106914285A/en active Pending
- 2016-12-21 TW TW105219425U patent/TWM543675U/en not_active IP Right Cessation
Patent Citations (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 |
Cited By (2)
| 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 |
| 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 |
|---|---|
| TWM543675U (en) | 2017-06-21 |
| CN206577775U (en) | 2017-10-24 |
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Application publication date: 20170704 |