CN104546262B - Fistula lid - Google Patents
Fistula lid Download PDFInfo
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- CN104546262B CN104546262B CN201410515727.3A CN201410515727A CN104546262B CN 104546262 B CN104546262 B CN 104546262B CN 201410515727 A CN201410515727 A CN 201410515727A CN 104546262 B CN104546262 B CN 104546262B
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Abstract
It is an object of the invention to provide the fistula lid of the albefaction of a kind of linking part that can suppress and main part and plug body part be linked up.Fistula lid (30) is characterised by having: main part (31), and it is tubulose, and cardinal extremity (31b) is connected with the terminal part (2c) of pipe (2a), and connects with pipe；Plug body part (33), it has the cylindrical portion (33h) on top (31a) surrounding main part, and this plug body part is arranged on this top；Linking part (35), main part and cylindrical portion are linked up by it, unloaded from top at plug body part, the pipe axis (A1) of main part is when being configured to parallel with the cylinder axis (A3) of cylindrical portion, linking part (35) has: main part side part (41), and its main body extends obliquely to tip side；Plug body part side part (43), it extends to tip side obliquely from plug body part；Intermediate curved section (45), it is positioned at main part side part and between plug body part sidepiece divides, convexly bends to base end side.
Description
Technical field
The present invention relates to a kind of fistula lid (Japanese: シ ャ Application ト キ ャ ッ プ).
Background technology
In the past, as the technology in such field, it is known to the fistula lid described in following patent documentation 1.
This fistula lid is molded of plastic material, including: main part, it is tubular；Plug body part, it is arranged on this
The top of main part；Linking part, main part and plug body part link up by it, main part, plug body part and
Linking part is integrally formed.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-279494 publication
Summary of the invention
The problem that invention is to be solved
In this fistula lid, when plug body part being installed on the top of main part, it is being forced sometimes
The local of the linking part bent produces excessive stress, and is likely to result in the appearance of the local of linking part
The albinism of plastic material.
It is an object of the invention to provide a kind of company that can suppress and main part and plug body part be linked up
The fistula lid of the albefaction of knot.
For solving the scheme of problem
The fistula lid of the present invention is arranged on the terminal part of pipe, it is characterised in that this fistula lid has: main body
Portion, it is tubulose, and cardinal extremity is connected with terminal part, and connects with pipe；Plug body part, it has encirclement main body
The cylindrical portion on the top in portion, this plug body part is installed on this top；Linking part, it is by the lateral surface of main part
Link up with the lateral surface of cylindrical portion, unloaded from top at plug body part, the pipe axis of main part and cylinder
The cylinder axis in shape portion is configured under parallel state, and linking part has: main part side part, its autonomous agent
The outside in portion extends obliquely towards tip side；Plug body part side part, it is outside the cylindrical portion of plug body part
Side extends obliquely to tip side；Intermediate curved section, it is positioned at main part side part and plug body part side
Between part, convexly bend to base end side.
In above-mentioned fistula lid, linking part is shape as described above, is therefore arranged on by plug body part being intended to
During the top of main part, the bending stress produced at diastrophic linking part easily scatter.Therefore,
It can be avoided that bending stress concentrates on a position of linking part such that it is able to suppression linking part albefaction.
Alternatively, it is also possible to be, linking part has: the 1st sweep, its be positioned at main part side part with
Between intermediate curved section, with the little radius of curvature of the radius of curvature than intermediate curved section to base end side in
Convex curvature；2nd sweep, it is between plug body part side part and intermediate curved section, with than
The radius of curvature that the radius of curvature of intermediate curved section is little convexly bends to base end side.Such structure is also
Contribute to the bending stress dispersion making to produce at linking part.
Alternatively, it is also possible to be, linking part has the 3rd sweep, and the 3rd sweep is positioned at main part
Between side part and the 1st sweep, convexly bend to tip side.Such structure also contributes to make
In the bending stress dispersion that linking part produces.
Alternatively, it is also possible to be, linking part has the 4th sweep, and the 4th sweep is positioned at plug body part
Between side part and the 2nd sweep, convexly bend to tip side.Such structure also contributes to make
In the bending stress dispersion that linking part produces.
Alternatively, it is also possible to be, the bearing of trend of main part side part is relative to the tube axis direction of main part
Tilting 40 °～60 °, the bearing of trend of plug body part side part tilts relative to the tube axis direction of main part
40 °～60 °.Use this structure, it is possible to effectively play above-mentioned action effect.
Alternatively, it is also possible to be yes, cylindrical portion has the insert port inserted for top, is certainly pushed up at plug body part
Under the state that end has unloaded, the insert port of cylindrical portion is to tip side opening.
Alternatively, it is also possible to be yes, it is formed with concavo-convex chimeric at the medial surface of cylindrical portion and the lateral surface on top
Portion, this concavo-convex fitting portion engages with each other and rotates around pipe axis for limiting plug body part.Use this structure,
Concavo-convex fitting portion can be utilized to limit plug body part rotate around pipe axis, therefore, it is possible to avoid linking part to turn round
Bent.As a result, it is possible to avoid producing twisting stress at linking part such that it is able to improve albefaction inhibition.
Alternatively, it is also possible to be yes, the fistula lid of the present invention also has clamping components, and this clamping components is located at
The lateral surface of main part and relative with this lateral surface, clamping components has opening and closing operations portion, at this clamping structure
During the opening and closing operations of part, this opening and closing operations portion is pressed towards main part, and opening and closing operations portion is at the pipe of main part
The position leaning on tip side than cardinal extremity it is positioned on axis direction.Using this structure, the opening and closing at clamping components is grasped
When making, the finger of user is difficult to contact with the terminal part of cardinal extremity, pipe such that it is able to maintain terminal part
Spatter property.Alternatively, it is also possible to be yes, opening and closing operations portion has lower pressure surface, this lower pressure surface with carry out opening and closing
Pressing direction during operation is vertical.
Alternatively, it is also possible to be, clamping components has insertion guide surface, and this insertion guide surface is relative to clamping
The direction of insertion of object tilts towards above-mentioned tip side, is used for guiding this clamping object.Use this knot
Structure, it is possible to make clamping object be inserted into guide surface guiding and inserted clamping components swimmingly.
Alternatively, it is also possible to be, main part, plug body part and linking part are integrally formed.
The fistula lid of the present invention is arranged on the terminal part of pipe, it is characterised in that this fistula lid has: main body
Portion, it is tubulose, and cardinal extremity is connected with the terminal part of pipe, and connects with pipe；Plug body part, it has encirclement
The cylindrical portion on the top of main part, this plug body part is installed on top；Linking part, it is by the outside of main part
The lateral surface of face and cylindrical portion links up, and linking part has: main part side part, its main body
Outside extends obliquely towards tip side；Plug body part side part, it is from the lateral surface of the cylindrical portion of plug body part
Extend obliquely to base end side；Middle interconnecting piece, main part side part and plug body part side part are connected by it
Getting up, middle interconnecting piece has: base end side part, and it is connected with main part side part, to base end side in
Convex curvature；Tip side part, it is connected with plug body part side part, convexly bends to tip side.
The effect of invention
Use the present invention, using the teaching of the invention it is possible to provide a kind of link that can suppress to link up main part and plug body part
The fistula lid of the albefaction in portion.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of an example of the apparatus for purifying blood of the fistula lid representing the application present invention.
Fig. 2 is the axonometric chart of an example of the blood circuit of the fistula lid representing and including the present invention.
Fig. 3 is the axonometric chart of an example of the fistula lid representing the present invention.
Fig. 4 is the front view representing the fistula lid in Fig. 3.
Fig. 5 is the side view representing the fistula lid in Fig. 3.
Fig. 6 is the front view of the linking part of the fistula lid in enlarged representation Fig. 3.
Fig. 7 is the front view of the 2nd state representing the fistula lid in Fig. 3.
Fig. 8 is the front view of the use state representing the fistula lid in Fig. 7.
Detailed description of the invention
Hereinafter, referring to the drawings while explaining the embodiment of the fistula lid of the present invention.First,
The apparatus for purifying blood to the fistula lid applying present embodiment that sees figures.1.and.2 illustrates.
Apparatus for purifying blood 1 uses the two-way type coping with various Therapeutic mode, in the loop of face side
Installation portion 11 installs blood class plate loop, the loop installation portion of the side, the right side exposed when opening right door 12
(omitting diagram) installs liquid type plate loop.Such as, removing from blood as by extracorporeal circulation
In the blood separation pattern (Japanese: ア Off ェ レ シ ス モ De) of the technology of causative agent, blood class
Plate loop be installed on the loop installation portion 11 of face side, the loop installation portion in side, the right side is provided with blood plasma
The plate loop of class.It addition, in ascites pattern, the plate loop filtering class is arranged on face side, concentrates class
Plate loop be arranged on side, the right side.
Hereinafter, with reference to Fig. 2, the blood plate being used for continuing low formula hemoperfusion (CRRT) is returned
Road 2 illustrates as an example in fluid loop (such as, dialysis loop).CRRT is for treating
For a long time and the slowly body fluid of acute renal insufficiency etc. adjusts therapy.In CRRT, the pattern of wants
Such closed circuit: utilize blood filter that blood is carried out purified treatment, fits the blood after processing
When adding replenisher, afterwards, make blood circulation.
Blood plate loop (hereinafter referred to as " blood circuit ") 2 has for blood is sent into blood filtration
The circuit (hereinafter referred to as " arterial line ") 21 of the upstream side of device and confession are at blood filter purification
The circuit (hereinafter referred to as " IV line ") 22 in the downstream of the blood flowing after reason.
Arterial line 21 and IV line 22 are generally made up of the pipe 2a of vinyl chloride, arterial line 21 and quiet
Arteries and veins circuit 22 is by the plate 2b integration of inverted L shape.It addition, be configured with at two positions of arterial line 21
Chamber without air pressure (hereinafter referred to as " pressure chamber ") 3, across setting between these two positions
Blood pump line 24 in blood pump 13 (with reference to Fig. 1).One pressure chamber 3 is at blood outlet side and pipe 2a
Connecting, another pressure chamber 3 is connected with pipe 2a at the entrance side becoming blood filter side.
As it is shown in figure 1, the loop installation portion 11 in the face side of apparatus for purifying blood 1 is provided with blood filtration
The keeper 14 of device, blood pump 13 etc..It addition, be provided with the pressure for blood circuit 2 at loop installation portion 11
The chamber installation portion 15 that power chamber 3 is installed.The pressurized mouth 16 of chamber installation portion 15 returns with being used for detecting blood
Intrinsic pressure pressure transducer (the omitting diagram) connection on road 2.
The terminal part 2c of pipe 2a is the position being finally connected with fistula portion, so needing to maintain spatter property.
Therefore, contact to such as make operating personnel etc. be difficult to terminal part 2c in the preparation work for the treatment of, and
At each terminal part 2c, fistula lid 30 is installed.Specifically, as in figure 2 it is shown, arterial line 21 He will be located at
The plug 2e of the terminal part 2c of IV line 22 respective pipe 2a inserts in the main part 31 of fistula lid 30, makes
It is screwed around the spin lock 2d of plug 2e and the base end side external thread part 31f of fistula lid 30, thus distinguishes
Install fistula lid 30.
Then, the structure of fistula lid 30 is described in further detail with reference to Fig. 3～Fig. 8.
Fistula lid 30 is made up of resin materials such as such as polypropylene, is shaped by such as injection mo(u)lding.Fistula
Lid 30 includes: main part 31, it is circular tube shaped, has the hollow bulb connected with pipe 2a；Plug body part 33,
It is installed on the top 31a of main part 31；Linking part 35, main part 31 and plug body part 33 have been linked by it
Come.Main part 31, plug body part 33 and linking part 35 are integrally formed by injection mo(u)lding etc. as described above.
Linking part 35 has a certain degree of rigidity, thus the shape of the fistula lid 30 shown in Fig. 3～Fig. 6 etc. can
Independent maintenance, but can easily make linking part 35 bend by the hands of people.
Here, Fig. 3～Fig. 6 illustrates the fistula lid under the state that plug body part 33 has been unloaded by main body 31
30.Fistula lid 30 after just being shaped by injection mo(u)lding etc. is also the state of Fig. 3～Fig. 6.In contrast,
Fig. 7 and Fig. 8 illustrates the state after plug body part 33 is installed on main part 31.Hereinafter, when both differences,
The state of Fig. 3～Fig. 6 is referred to as the 1st state, the state of Fig. 7 and Fig. 8 is referred to as the 2nd state.
It addition, below, there are the word feelings for explanation of before and after's concept at " front ", " rear " etc.
Under condition, using the bearing of trend of the pipe axis A1 of main part 31 as fore-and-aft direction, by the top of main part 31
31a side is as " front ", using cardinal extremity 31b side as " afterwards ".It addition, use at the word with upper and lower concept
In the case of explanation, this is the most corresponding with the fistula lid 30 under the state shown in Fig. 3.
It is formed with external thread part 31f, by making this external thread part 31f and spin at the cardinal extremity 31b of main part 31
Lock 2d (Fig. 2) is screwed, and the cardinal extremity 31b of main part 31 is connected to the terminal part 2c of pipe 2a.Separately
Outward, the top 31a at main part 31 is also formed with external thread part 31f, it is also possible to make the top of main part 31
31a is screwed with spin lock 2d.According to this structure, such as, by arterial line 21 side or IV line
The fistula lid 30 of 22 sides unloads from the terminal part 2c of pipe 2a, makes the spin lock 2d being located at this terminal part 2c with another
The top 31a of the fistula lid 30 of side is screwed, and thus enables that arterial line 21 and IV line 22
Short circuit.Startup filling at blood circuit 2 processes in (Japanese: プ ラ イ ミ Application グ manages) and sometimes needs
Want such short circuit.
It addition, when above-mentioned short circuit, the terminal part 2c of the top 31a and pipe 2a of main part 31 contacts,
It is thus desirable to maintain the spatter property of the top 31a of main part 31.Therefore, in order to such as in the preparation for the treatment of
The top 31a making operating personnel etc. be difficult to main part 31 in operation contacts, and uses and install at top 31a
There is the 2nd state (with reference to Fig. 7) of plug body part 33.
Specifically, under the 2nd state, plug body part 33 is coated at main part 31 as shown in Fig. 7 waits
Top 31a.Plug body part 33 has cylindric cylindrical portion 33h surrounding top 31a, and cylindrical portion 33h has
Insert port 33k inserted for top 31a.Linking part 35 is by the lateral surface 31s of main part 31 and cylindrical portion 33h
Lateral surface 33s link up.
Form oriented radially inner side at two positions up and down of the medial surface of cylindrical portion 33h to highlight and along front and back
The convex strip portions 33j that direction extends.External thread part 31f convex with this at the lateral surface being formed at main part 31
The part of the position that bar portion 33j is corresponding is circumferentially formed thereon jagged 31j at upper and lower two positions.Root
According to this structure, under the 2nd state, convex strip portions 33j embeds breach 31j, and limits plug body part 33 and main part
31 rotate against around pipe axis A1.Like this, convex strip portions 33j and external thread part 31 constitute and block each other
The concavo-convex fitting portion closed.
As shown in Fig. 3～Fig. 6, under the 1st state waited after fistula lid 30 just shapes, main part 31
Pipe axis A1 is parallel with the cylinder axis A3 of cylindrical portion 33h.Further, under the 1st state, along containing pipe
The plane of axis A1 and cylinder axis A3 there are linking part 35.Further, under the 1st state, plug body part 33
Insert port 33k forwards opening.
Then, the shape of linking part 35 under the 1st state is described on one side with reference to Fig. 6.
Fig. 6 is to represent the company seen from the direction vertical with the plane containing pipe axis A1 and cylinder axis A3
The front view of knot 35.Under the 1st state, linking part 35 has being demarcated by single dotted broken line in Fig. 6
7 parts, in laterally zygomorphic shape.Linking part 35 has: main part side part 41, its autonomous agent
The lateral surface 31s in portion 31 the most linearly extends to diagonally forward；Plug body part side part 43, it is from plug
The lateral surface 33s of cylindrical portion 33h of body 33 the most linearly extends to diagonally forward.
The bearing of trend A41 of main part side part 41 is relative to the tube axis direction of main part 31 (in figure
A1 ') tilt 40 °～60 °.That is, the bearing of trend A41 of main part side part 41 and tube axis direction
A1 ' angulation α is 40 °～60 °.The bearing of trend A43 of plug body part side part 43 is relative to master
The tube axis direction A1 ' of body 31 tilts 40 °～60 °.That is, the bearing of trend of plug body part side part 43
A43 and tube axis direction A1 ' angulation β is 40 °～60 °.
And, linking part 35 also has intermediate curved section 45, and this intermediate curved section 45 is positioned at main part
Between side part 41 and plug body part side part 43, the most convexly bend.Intermediate curved section 45 is joined
Put the centre position between lateral surface 31s and lateral surface 33s.
And, linking part 35 also has the 1st sweep 51, and the 1st sweep 51 is positioned at main part side
Between part 41 and intermediate curved section 45, the most convexly bend.Further, linking part 35 also has
The 2nd sweep 52, the 2nd sweep 52 is had to be positioned at plug body part side part 43 and intermediate curved section 45
Between, the most convexly bend.The radius of curvature of the bending of the 1st sweep 51 and the 2nd bending section
The radius of curvature dividing the bending of 52 is less than the radius of curvature of the bending of intermediate curved section 45.
And, linking part 35 also has the 3rd sweep 53, and the 3rd sweep 53 is positioned at main part side
Between part the 41 and the 1st sweep 51, forwards side convexly bends.Further, linking part 35 also has
The 4th sweep 54, the 4th sweep 54 is had to be positioned at plug body part side part the 43 and the 2nd sweep 52
Between, forwards side convexly bends.As described above, linking part 35 is configured to have 5 bending sections
Divide 45,51,52,53,54.
Then, the shape of linking part 35 under the 2nd state is described on one side with reference to Fig. 7.
In order to be transformed into the 2nd state from the 1st state, and containing pipe axis A1 and the plane of cylinder axis A3
Inside make plug body part 33 rotate 180 °, afterwards plug body part 33 is coated at the top 31a of main part 31.Now,
Linking part 35 deforms at above-mentioned plane inner bending, becomes and there are residual stress in each portion of linking part 35
State.Under the 2nd state, also it is to there are link along the plane containing pipe axis A1 and cylinder axis A3
Portion 35.
Under the 2nd state, the linking part 35 after deformation has: main part side part 41, its main body
The lateral surface 31s of 31 forwards rolls and tiltedly extends；Plug body part side part 43, it is from the cylinder of plug body part 33
The lateral surface 33s of shape portion 33h extends the most obliquely.Further, linking part 35 also has main part
The middle interconnecting piece 60 that side part 41 and plug body part side part 43 couple together.This middle interconnecting piece 60 wraps
Including: base end side part 61, it is connected with main part side part 41, the most convexly bends；Top
Side part 62, it extends from plug body part side part 43, convexly bends to above-mentioned tip side.As above that
Sample, under the 2nd state, linking part 35 has above-mentioned 4 parts demarcated by single dotted broken line in Fig. 7,
In shape symmetrical front and back.
Then, the fixture structure for fixing fistula lid 30 is described.
As shown in Fig. 3, Fig. 7 and Fig. 8, fistula lid 30 has clamping components 71, and this clamping components 71 is located at
The upper face side of the lateral surface 31s of main part 31 is relative with this lateral surface 31s.It addition, at main part 31
Upper face side on lateral surface 31s is formed with stationary gripping part 72, this stationary gripping part 72 and clamping components 71
Relatively, extend along cylinder axis direction.Regulation can be clamped between clamping components 71 and stationary gripping part 72
Clamping object.In other words, clamping components 71 and stationary gripping part 72 constitute fixture structure, this fixture
It is configured to the object of regulation by clamping is fixed and fistula lid 30 is fixed on above-mentioned object.
Clamping components 71 has the opening and closing operations portion 71a that can be pressed down, user towards main part 31 side
Can be by pressing for 31 times this opening and closing operations portion 71a to make clamping components 71 that elastic change to occur towards main part
Shape, thus carry out opening and closing between front end and the stationary gripping part 72 of clamping components 71.Afterwards, it is possible to
Clamping clamping object between front portion and the stationary gripping part 72 of clamping components 71.Opening and closing operations portion 71a has
There is the lower pressure surface 71b pressing down direction vertical with it, easily to carry out under such opening and closing operations portion 71a
Press work.Further, the following side in the lower section of this lower pressure surface 71b and the lateral surface 31s of main part 31 is provided with
Bearing-surface 73.User can be entered by the action utilizing finger to clip lower pressure surface 71b and bearing-surface 73
The opening and closing operations of row clamping components 71.
Further, lower pressure surface 71b as described above and bearing-surface 73 are positioned at the position than cardinal extremity 31b side on the front
Put.According to this structure, when fistula lid 30 is installed on pipe 2a, lower pressure surface 71b and bearing-surface 73 are positioned at ratio
The terminal part 2c (Fig. 2) of pipe 2a position on the front.Thus, carry out clamping components 71 in this condition
Opening and closing operations time, the finger of user is difficult to contact with the terminal part 2c of cardinal extremity 31b, pipe 2a, thus
It is able to maintain that the spatter property of terminal part 2c.Further, the finger of user only with lower pressure surface 71b and bearing-surface
73 contacts, can not contact with the spin lock 2d being screwed with the cardinal extremity 31b of fistula lid 30.Accordingly, it is capable to
Enough suppression accidentally make spin lock 2d lax and cause fistula lid 30 to come off from pipe 2a.
As shown in Figure 8, the held component of fistula lid 30 71 is hung on the edge 75a of bucket 75 and is fixed.Such as,
Fixing sometimes for such fistula lid 30 when starting filling process at blood circuit 2 (Fig. 2).That is,
When starting filling and processing, as shown in Figure 8 fistula lid 30 is fixed on bucket 75, will discharge from fistula lid 30
Normal saline etc. directly discard bucket 75 in.It addition, the front end face at plug body part 33 is provided with through hole 33p
(with reference to Fig. 2), the normal saline in blood circuit 2 etc. is discharged via this through hole 33p.
When being intended to be fixed on by fistula lid 30 like this bucket 75, the edge 75a of bucket 75 is inserted from front folder
Hold between component 71 and stationary gripping part 72.It is formed relative to edge 75a in the front end of clamping components 71
Inclined plane (insertion guide surface) 71e that tilts towards oblique inferoanterior of direction of insertion.Thus, be intended to by
When fistula lid 30 is fixed on bucket 75, it is possible to make the edge 75a of bucket 75 be inclined by face 71e and guide quilt
Insert swimmingly between clamping components 71 and stationary gripping part 72.It addition, for the same purpose, also exist
The front end of stationary gripping part 72 is formed with inclined plane 72e.Therefore, it is possible to it is easy when starting filling and processing
Ground carries out being fixed on fistula lid 30 operation of bucket 75.
Then, the action effect of above-mentioned fistula lid 30 is described.
Under the 1st state, the linking part 35 of above-mentioned fistula lid 30 has: main part side part 41, its
Main body 31 extends to diagonally forward；Plug body part side part 43, it is from plug body part 33 to diagonally forward obliquely
Extend；Intermediate curved section 45, it is between main part side part 41 and plug body part side part 43, to
Rear side convexly bends.According to such shape, then in the case of changing to the 2nd state,
The bending stress that diastrophic linking part 35 produces easily scatter.Therefore, it is possible to avoid bending stress
Concentrate on a position of linking part 35 such that it is able to suppression linking part 35 albefaction.If it addition, angle [alpha]
(Fig. 6) be 40 °～60 °, angle beta (Fig. 6) be 40 °～60 °, then can effectively play
The action effect stated.
Further, linking part 35 has the radius of curvature as described above curvature half less than intermediate curved section 45
1st sweep the 51 and the 2nd sweep 52 in footpath, this structure also contributes to make in linking part 35 generation
Stress disperses.Further, linking part 35 have as described above be positioned at main part side part the 41 and the 1st bending
The 3rd sweep 53 between part 51, the bending that this structure also contributes to make to produce at linking part 35 is answered
Power is disperseed.Further, linking part 35 has and as described above is positioned at plug body part side part the 43 and the 2nd bending section
Dividing the 4th sweep 54 between 52, this structure also contributes to the bending stress making to produce at linking part 35
Dispersion.
It addition, when changing to the 2nd state from the 1st state, containing pipe axis A1's and cylinder axis A3
Make plug body part 33 rotate 180 ° in plane, afterwards plug body part 33 is coated at the top 31a of main part 31.
Now, convex strip portions 33j is concavo-convex with external thread part 31f chimeric, and limits plug body part 33 and rotate around pipe axis A1,
Therefore, it is possible to avoid linking part 35 to be distorted.As a result, it is possible to avoid producing twisting stress at linking part 35,
It is thus possible to improve albefaction inhibition.
This concludes the description of one embodiment of the present invention, but the present invention be not limited to above-mentioned embodiment,
Can deform in the range of the main idea not changing described in each claim.
Description of reference numerals
2a, pipe；2c, terminal part；30, fistula lid；31, main part；31a, top；31b, base
End；31f, external thread part (concavo-convex fitting portion)；31s, lateral surface；33, plug body part；33h, tubular
Portion；33k, insert port；33s, lateral surface；33j, convex strip portions (concavo-convex fitting portion)；35, linking part；
41, main part side part；43, plug body part side part；45, intermediate curved section；51, the 1st bending
Part；52, the 2nd sweep；53, the 3rd sweep；54, the 4th sweep；60, middle
Connecting portion；61, base end side part；62, tip side part；71, clamping components；71a, opening and closing behaviour
Make portion；71b, lower pressure surface；71e, inclined plane (insertion guide surface)；75, bucket (clamping object)；
75a, the edge of bucket；A1, pipe axis；A3, cylinder axis.
Claims (13)
1. a fistula lid, this fistula lid is arranged on the terminal part of pipe, it is characterised in that
This fistula lid has:
Main part, it is tubulose, and cardinal extremity is connected with above-mentioned end portion, and connects with above-mentioned pipe；
Plug body part, it has the cylindrical portion on top surrounding aforementioned body portion, and this plug body part is installed on this top
End；
Linking part, the lateral surface in aforementioned body portion and the lateral surface of above-mentioned cylindrical portion link up by it,
Unloaded from above-mentioned top at above-mentioned plug body part, the pipe axis in aforementioned body portion and above-mentioned cylindrical portion
Cylinder axis is configured under parallel state,
Above-mentioned linking part has:
Main part side part, its lateral surface from aforementioned body portion extends obliquely to above-mentioned tip side；
Plug body part side part, it inclines to above-mentioned tip side from the lateral surface of the above-mentioned cylindrical portion of above-mentioned plug body part
Tiltedly extend；
Intermediate curved section, it is positioned at aforementioned body portion side part and between above-mentioned plug body part sidepiece divides, to
Above-mentioned base end side convexly bends,
Above-mentioned linking part has:
1st sweep, it is between aforementioned body portion side part and above-mentioned intermediate curved section, with
The radius of curvature less than the radius of curvature of above-mentioned intermediate curved section convexly bends to above-mentioned base end side；
2nd sweep, it is between above-mentioned plug body part side part and above-mentioned intermediate curved section, with
The radius of curvature less than the radius of curvature of above-mentioned intermediate curved section convexly bends to above-mentioned base end side.
Fistula lid the most according to claim 1, it is characterised in that
Above-mentioned linking part has the 3rd sweep,
3rd sweep is between aforementioned body portion side part and above-mentioned 1st sweep, to above-mentioned
Tip side convexly bends.
Fistula lid the most according to claim 1, it is characterised in that
Above-mentioned linking part has the 4th sweep,
4th sweep is between above-mentioned plug body part side part and above-mentioned 2nd sweep, to above-mentioned
Tip side convexly bends.
Fistula lid the most according to claim 2, it is characterised in that
Above-mentioned linking part has the 4th sweep,
4th sweep is between above-mentioned plug body part side part and above-mentioned 2nd sweep, to above-mentioned
Tip side convexly bends.
5. according to the fistula lid described in any one in Claims 1 to 4, it is characterised in that
The bearing of trend of aforementioned body portion side part tilts relative to the tube axis direction in aforementioned body portion
40 °～60 °,
The bearing of trend of above-mentioned plug body part side part tilts relative to the tube axis direction in aforementioned body portion
40 °～60 °.
6. according to the fistula lid described in any one in Claims 1 to 4, it is characterised in that
Above-mentioned cylindrical portion has the insert port inserted for above-mentioned top,
When above-mentioned plug body part is taken off from above-mentioned top, the above-mentioned insert port of above-mentioned cylindrical portion to
Above-mentioned tip side opening.
7. according to the fistula lid described in any one in Claims 1 to 4, it is characterised in that
Being formed with concavo-convex fitting portion at the medial surface of above-mentioned cylindrical portion and the lateral surface on above-mentioned top, this is concavo-convex
Fitting portion engages with each other and rotates around above-mentioned pipe axis for limiting above-mentioned plug body part.
8. according to the fistula lid described in any one in Claims 1 to 4, it is characterised in that
This fistula lid also has clamping components, this clamping components be located at aforementioned body portion lateral surface and with this
Lateral surface is relative,
Above-mentioned clamping components has opening and closing operations portion, this opening and closing operations when the opening and closing operations of this clamping components
Portion is pressed towards aforementioned body portion,
Above-mentioned opening and closing operations portion is positioned at than above-mentioned cardinal extremity by above-mentioned on the tube axis direction in aforementioned body portion
The position of tip side.
Fistula lid the most according to claim 8, it is characterised in that
Above-mentioned opening and closing operations portion has lower pressure surface, and this lower pressure surface hangs down with pressing direction when carrying out opening and closing operations
Directly.
Fistula lid the most according to claim 8, it is characterised in that
Above-mentioned clamping components has insertion guide surface, and this insertion guide surface is relative to the insertion of clamping object
Direction tilts towards above-mentioned tip side, is used for guiding this clamping object.
11. according to the fistula lid described in any one in Claims 1 to 4, it is characterised in that
Aforementioned body portion, above-mentioned plug body part and above-mentioned linking part are integrally formed.
12. fistula lids according to claim 8, it is characterised in that
Aforementioned body portion, above-mentioned plug body part and above-mentioned linking part are integrally formed.
13. 1 kinds of fistula lids, this fistula lid is arranged on the terminal part of pipe, it is characterised in that
This fistula lid has:
Main part, it is tubulose, and cardinal extremity is connected with the above-mentioned end portion of above-mentioned pipe, and connects with above-mentioned pipe；
Plug body part, it has the cylindrical portion on top surrounding aforementioned body portion, and this plug body part is installed on above-mentioned
Top；
Linking part, the lateral surface in aforementioned body portion and the lateral surface of above-mentioned cylindrical portion link up by it,
Above-mentioned linking part has:
Main part side part, its lateral surface from aforementioned body portion extends obliquely to above-mentioned tip side；
Plug body part side part, it inclines to above-mentioned base end side from the lateral surface of the above-mentioned cylindrical portion of above-mentioned plug body part
Tiltedly extend；
Middle interconnecting piece, aforementioned body portion side part and above-mentioned plug body part side part couple together by it,
Above-mentioned middle interconnecting piece has: base end side part, and it is connected, upwards with aforementioned body portion side part
State base end side convexly to bend；Tip side part, it is connected, to above-mentioned top with above-mentioned plug body part side part
Side convexly bends.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013213615A JP6184286B2 (en) | 2013-10-11 | 2013-10-11 | Shunt cap |
| JP2013-213615 | 2013-10-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104546262A CN104546262A (en) | 2015-04-29 |
| CN104546262B true CN104546262B (en) | 2016-09-14 |
Family
ID=52999140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410515727.3A Active CN104546262B (en) | 2013-10-11 | 2014-09-29 | Fistula lid |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6184286B2 (en) |
| CN (1) | CN104546262B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023140199A1 (en) * | 2022-01-18 | 2023-07-27 | ニプロ株式会社 | Connector for blood circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489788Y (en) * | 2001-04-12 | 2002-05-08 | 刘艳 | Bend-type venous transfusion needle |
| CN201848256U (en) * | 2010-10-28 | 2011-06-01 | 珠海贝索生物技术有限公司 | Curved-nozzle drip cover with cover cap |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3881749B2 (en) * | 1997-05-30 | 2007-02-14 | 日機装株式会社 | Shunt fitting cap |
| JP5449869B2 (en) * | 2009-06-03 | 2014-03-19 | 川澄化学工業株式会社 | Male shunt cap and extracorporeal circuit |
| JP5449934B2 (en) * | 2009-09-07 | 2014-03-19 | 川澄化学工業株式会社 | Shunt cap and extracorporeal circuit |
| JP2013165785A (en) * | 2012-02-14 | 2013-08-29 | Kawasumi Lab Inc | Shunt cap set and extracorporeal circulating circuit |
-
2013
- 2013-10-11 JP JP2013213615A patent/JP6184286B2/en active Active
-
2014
- 2014-09-29 CN CN201410515727.3A patent/CN104546262B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489788Y (en) * | 2001-04-12 | 2002-05-08 | 刘艳 | Bend-type venous transfusion needle |
| CN201848256U (en) * | 2010-10-28 | 2011-06-01 | 珠海贝索生物技术有限公司 | Curved-nozzle drip cover with cover cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104546262A (en) | 2015-04-29 |
| JP6184286B2 (en) | 2017-08-23 |
| JP2015073829A (en) | 2015-04-20 |
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