CN104546262A - Shunt cap - Google Patents
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- CN104546262A CN104546262A CN201410515727.3A CN201410515727A CN104546262A CN 104546262 A CN104546262 A CN 104546262A CN 201410515727 A CN201410515727 A CN 201410515727A CN 104546262 A CN104546262 A CN 104546262A
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- body portion
- lid
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Abstract
The purpose of the present invention is to provide a can suppress the body portion and the plug body portion connecting together the connecting portion of whitening fistula cover. Fistula cover (30) comprising: a body portion (31), which is tubular, the base end (31b) of the tube (2a) of the end portion (2c) is connected and communicating with the tube; plug body portion (33) having a body surrounding the tip portion (31a) of the cylindrical portion (33h), the plug body portion mounted on the tip; coupling portion (35), which main body portion and the cylindrical portion coupled together, the plug body portion is removing from the top, the axis of the tube axis tube body portion (A1) with a cylindrical portion (A3) is configured to a state under parallel, the connecting portion (35) comprising: a main body portion side portion (41), from which the body portion to the top side extends obliquely; side portion of the plug body portion (43), which extends obliquely from the top side of the plug body; an intermediate curved portion (45), which is located between the main body portion and the side portion of the plug body portion side portion, to the base end side is convex curved.
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, there will be a known the fistula lid described in following patent documentation 1.This fistula lid is made up of plastic material, comprising: main part, and it is tubular; Plug body part, it is arranged on the top of this main part; Linking part, main part and plug body part link up by it, and main part, plug body part and linking part are integrally formed.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-279494 publication
Summary of the invention
the problem that invention will solve
In this fistula lid, when plug body part being installed on the top of main part, producing excessive stress in the local of the linking part being forced to have bent sometimes, and likely causing the albinism occurring plastic material in the local of linking part.
The object of the present invention is to provide a kind of fistula lid that can suppress the albefaction of linking part main part and plug body part linked up.
for the scheme of dealing with problems
Fistula lid of the present invention is arranged on the terminal part of pipe, it is characterized in that, this fistula lid has: main part, and it is tubulose, and cardinal extremity is connected with terminal part, and is communicated with pipe; Plug body part, it has the cylindrical portion on the top surrounding main part, and this plug body part is installed on this top; Linking part, the lateral surface of main part and the lateral surface of cylindrical portion link up by it, unloaded from top at plug body part, under the tubular axis line of main part is configured to parallel state with the cylinder axis of cylindrical portion, linking part has: main part side part, and the lateral surface of its main body extends obliquely to tip side; Plug body part side part, it extends to tip side obliquely from the lateral surface of the cylindrical portion of plug body part; Intermediate curved section, it, between main part side part and plug body part side part, convexly bends to base end side.
In above-mentioned fistula lid, linking part is shape as described above, and therefore when the top for plug body part being arranged on main part, the bending stress produced at diastrophic linking part easily scatter.Therefore, it is possible to avoid bending stress to concentrate on a position of linking part, thus linking part albefaction can be suppressed.
In addition, also can be, linking part has: the 1st sweep, and it is between main part side part and intermediate curved section, convexly bends to base end side with the radius of curvature less than the radius of curvature of intermediate curved section; 2nd sweep, it is between plug body part side part and intermediate curved section, convexly bends to base end side with the radius of curvature less than the radius of curvature of intermediate curved section.Such structure also contributes to the bending stress dispersion making to produce at linking part.
In addition, also can be that linking part has the 3rd sweep, the 3rd sweep, between main part side part and the 1st sweep, convexly bends to tip side.Such structure also contributes to the bending stress dispersion making to produce at linking part.
In addition, also can be that linking part has the 4th sweep, the 4th sweep, between plug body part side part and the 2nd sweep, convexly bends to tip side.Such structure also contributes to the bending stress dispersion making to produce at linking part.
In addition, also can be that the bearing of trend of main part side part tilts 40 ° ~ 60 ° relative to the tube axis direction of main part, the bearing of trend of plug body part side part tilts 40 ° ~ 60 ° relative to the tube axis direction of main part.Adopt this structure, can effectively play above-mentioned action effect.
In addition, also can be yes, cylindrical portion has the insert port inserted for top, and at plug body part by under the state that unloaded from top, the insert port of cylindrical portion is to tip side opening.
In addition, also can be yes, be formed with concavo-convex fitting portion at the medial surface of cylindrical portion and the lateral surface on top, this concavo-convex fitting portion engages with each other and rotates around tubular axis line for limiting plug body part.Adopt this structure, concavo-convex fitting portion can be utilized to limit plug body part and rotate, therefore, it is possible to avoid linking part to be distorted around tubular axis line.As a result, can avoid producing twisting stress at linking part, thus albefaction inhibition can be improved.
In addition, also can be yes, fistula lid of the present invention also has clamping components, 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, when the opening and closing operations of this clamping components, this opening and closing operations portion is pressed by towards main part, and opening and closing operations portion is positioned at than the position of cardinal extremity by tip side on the tube axis direction of main part.Adopt this structure, when the opening and closing operations of clamping components, the finger of user is difficult to contact with the terminal part of cardinal extremity, pipe, thus can maintain the spatter property of terminal part.In addition, also can be yes, opening and closing operations portion has lower pressure surface, and this lower pressure surface is vertical with pressing direction when carrying out opening and closing operations.
In addition, also can be, clamping components has insertion guide surface, and this insertion guide surface tilts towards above-mentioned tip side, for guiding this clamping object relative to the direction of insertion of clamping object.Adopt this structure, clamping object can be made to be inserted into guide surface guiding and inserted clamping components swimmingly.
In addition, also can be, main part, plug body part and linking part be integrally formed.
Fistula lid of the present invention is arranged on the terminal part of pipe, it is characterized in that, this fistula lid has: main part, and it is tubulose, and cardinal extremity is connected with the terminal part of pipe, and is communicated with pipe; Plug body part, it has the cylindrical portion on the top surrounding main part, and this plug body part is installed on top; Linking part, the lateral surface of main part and the lateral surface of cylindrical portion link up by it, and linking part has: main part side part, and the lateral surface of its main body extends obliquely to tip side; Plug body part side part, it extends to base end side obliquely from the lateral surface of the cylindrical portion of plug body part; Middle interconnecting piece, main part side part and plug body part side part couple together by it, and middle interconnecting piece has: base end side part, and it is connected with main part side part, convexly bends to base end side; Tip side part, it is connected with plug body part side part, convexly bends to tip side.
the effect of invention
Adopt the present invention, a kind of fistula lid that can suppress the albefaction of linking part main part and plug body part linked up can be provided.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the example representing the apparatus for purifying blood applying fistula lid of the present invention.
Fig. 2 is the axonometric chart of the example representing the blood circuit comprising fistula lid of the present invention.
Fig. 3 is the axonometric chart of the example representing fistula lid of the present invention.
Fig. 4 is the front view of the fistula lid represented in Fig. 3.
Fig. 5 is the side view of the fistula lid represented in Fig. 3.
Fig. 6 is the front view of the linking part of fistula lid in Watch with magnifier diagram 3.
Fig. 7 is the front view of the 2nd state of the fistula lid represented in Fig. 3.
Fig. 8 is the front view of the using state of the fistula lid represented in Fig. 7.
Detailed description of the invention
Below, reference accompanying drawing is while explain the embodiment of fistula lid of the present invention.First, see figures.1.and.2 and the apparatus for purifying blood of fistula lid of application present embodiment is described.
Apparatus for purifying blood 1 adopts the two-way type can tackling various Therapeutic mode, install blood class plate loop at the loop installation portion 11 of face side, the loop installation portion (omitting diagram) of the side, the right side exposed when opening right door 12 installs liquid type plate loop.Such as, as being removed in the blood separation pattern (Japanese: ア Off ェ レ シ ス モ ー De) of technology of causative agent from blood by extracorporeal circulation, the plate loop of blood class is installed on the loop installation portion 11 of face side, is provided with the plate loop of blood plasma class at the loop installation portion of side, the right side.In addition, in ascites pattern, the plate loop of filtering class is arranged on face side, and the plate loop of concentrated class is arranged on side, the right side.
Below, with reference to Fig. 2, the blood plate loop 2 that will be used for continuing low formula hemoperfusion (CRRT) is described as an example of fluid loop (such as, dialysis loop).CRRT is for a long time and the slowly body fluid adjustment therapy being used for the treatment of acute renal insufficiency etc.In CRRT, the closed circuit that the pattern of wants is such: utilize blood filter to carry out purified treatment to blood, suitably adds replenisher to the blood after process, afterwards, makes blood circulation.
Blood plate loop is (following, being called " blood circuit ") 2 circuits with the upstream side for blood being sent into blood filter are (following, be called " arterial line ") 21 and the circuit (hereinafter referred to as " IV line ") 22 in downstream for blood flow after blood filter purified treatment.
Arterial line 21 and IV line 22 are made up of the pipe 2a of vinyl chloride usually, and arterial line 21 and IV line 22 are fallen the plate 2b integration of L-shaped.In addition, be configured with at two positions of arterial line 21 without air pressure chamber (hereinafter referred to as " pressure chamber ") 3, across the blood pump line 24 being arranged at blood pump 13 (with reference to Fig. 1) between these two positions.A pressure chamber 3 is connected with pipe 2a at blood outlet side, and the entrance side that another pressure chamber 3 is becoming blood filter side is connected with pipe 2a.
As shown in Figure 1, the keeper 14, blood pump 13 etc. of blood filter are installed at the loop installation portion 11 of the face side of apparatus for purifying blood 1.In addition, be provided with at loop installation portion 11 the chamber installation portion 15 that the pressure chamber 3 for blood circuit 2 installs.The pressurized mouth 16 of chamber installation portion 15 is communicated with the intrinsic pressure pressure transducer (omit and illustrate) for detecting blood circuit 2.
The terminal part 2c of pipe 2a is the position that finally will be connected with fistula portion, so need to maintain spatter property.Therefore, in order to such as make operating personnel etc. be difficult to contact with terminal part 2c in the preparation work for the treatment of, and at each terminal part 2c, fistula lid 30 is installed.Specifically, as shown in Figure 2, the plug 2e being located at the terminal part 2c of arterial line 21 and the respective pipe 2a of IV line 22 is inserted in the main part 31 of fistula lid 30, make to be screwed around the spin lock 2d of plug 2e and the base end side external thread part 31f of fistula lid 30, install fistula lid 30 respectively thus.
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 comprises: main part 31, and it is circular tube shaped, has the hollow bulb be communicated 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 link up by it.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 rigidity to a certain degree, thus the shape of the fistula lid 30 shown in Fig. 3 ~ Fig. 6 etc. can independently maintain, but linking part 35 easily can be made to bend by the hands of people.
At this, Fig. 3 ~ Fig. 6 illustrates the fistula lid 30 under the state that plug body part 33 unloaded by main body 31.By the state that the fistula lid 30 after injection mo(u)lding etc. is just shaped also is Fig. 3 ~ Fig. 6.In contrast, Fig. 7 and Fig. 8 illustrate plug body part 33 be installed on main part 31 after state.Below, when both differences, the state of Fig. 3 ~ Fig. 6 is called the 1st state, the state of Fig. 7 and Fig. 8 is called the 2nd state.
In addition, below, the word that there is front and back concept at " front ", " rear " etc. for illustration of, using the bearing of trend of the tubular axis line A1 of main part 31 as fore-and-aft direction, using the 31a side, top of main part 31 as " front ", using cardinal extremity 31b side as " afterwards ".In addition, when the word with upper and lower concept for illustration of, this corresponding up and down up and down with the fistula lid 30 under the state shown in Fig. 3.
Being formed with external thread part 31f at the cardinal extremity 31b of main part 31, by making this external thread part 31f and spin lock 2d (Fig. 2) be screwed, and the cardinal extremity 31b of main part 31 being connected to the terminal part 2c of pipe 2a.In addition, be also formed with external thread part 31f at the top 31a of main part 31, the top 31a of main part 31 and spin lock 2d also can be made to be screwed.According to this structure, such as, the fistula lid 30 of arterial line 21 side or IV line 22 side is unloaded from the terminal part 2c of pipe 2a, the top 31a being located at the spin lock 2d of this terminal part 2c and the fistula lid 30 of opposite side is screwed, arterial line 21 and IV line 22 short circuit can be made thus.Sometimes such short circuit is needed in startup filling process (Japanese: プ ラ イ ミ Application グ process) of blood circuit 2.
In addition, when above-mentioned short circuit, the top 31a of main part 31 contacts with the terminal part 2c of pipe 2a, therefore needs the spatter property of the top 31a maintaining main part 31.Therefore, in order to such as make operating personnel etc. be difficult to contact with the top 31a of main part 31 in the preparation work for the treatment of, and the 2nd state (with reference to Fig. 7) being provided with plug body part 33 at top 31a is adopted.
Specifically, under the 2nd state, plug body part 33 is coated at the top 31a of main part 31 as shown in Fig. 7 etc.Plug body part 33 has the cylindrical portion 33h of the cylindrical shape of surrounding top 31a, and cylindrical portion 33h has the insert port 33k inserted for top 31a.The lateral surface 31s of the main part 31 and lateral surface 33s of cylindrical portion 33h links up by linking part 35.
And the convex strip portions 33j that along the longitudinal direction extend outstanding to radially inner side is formed at two positions up and down of the medial surface of cylindrical portion 33h.Breach 31j is along the circumferential direction formed with at upper and lower two positions in the part of the position corresponding with this convex strip portions 33j of external thread part 31f of the lateral surface being formed at main part 31.According to this structure, under the 2nd state, convex strip portions 33j embeds breach 31j, and limits plug body part 33 and carry out relative rotation with main part 31 around tubular axis line A1.Like this, convex strip portions 33j and external thread part 31 form the concavo-convex fitting portion engaged with each other.
As shown in Fig. 3 ~ Fig. 6, under the 1st state waited after fistula lid 30 is just shaped, the tubular axis line A1 of main part 31 is parallel with the cylinder axis A3 of cylindrical portion 33h.Further, under the 1st state, linking part 35 is had along the plane containing tubular axis line A1 and cylinder axis A3.Further, under the 1st state, the insert port 33k forwards opening of plug body part 33.
Then, reference Fig. 6 is while illustrate the shape of the linking part 35 under the 1st state.
Fig. 6 is the front view representing the linking part 35 seen from the direction with the plane orthogonal containing tubular axis line A1 and cylinder axis A3.Under the 1st state, linking part 35 has 7 parts demarcated by single dotted broken line in Fig. 6, in laterally zygomorphic shape.Linking part 35 has: main part side part 41, and the lateral surface 31s of its main body 31 is to diagonally forward linearly extension obliquely; Plug body part side part 43, its lateral surface 33s from the cylindrical portion 33h of plug body part 33 is to diagonally forward linearly extension obliquely.
The bearing of trend A41 of main part side part 41 tilts 40 ° ~ 60 ° relative to the tube axis direction (A1 ' in figure) of main part 31.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 tilts 40 ° ~ 60 ° relative to the tube axis direction A1 ' of main part 31.That is, the bearing of trend A43 of plug body part side part 43 and tube axis direction A1 ' angulation β is 40 ° ~ 60 °.
And linking part 35 also has intermediate curved section 45, this intermediate curved section 45, between main part side part 41 and plug body part side part 43, convexly bends rearward.Intermediate curved section 45 is configured in the centre position between lateral surface 31s and lateral surface 33s.
And linking part 35 also has the 1st sweep the 51,1st sweep 51 between main part side part 41 and intermediate curved section 45, convexly bends rearward.Further, linking part 35 also has the 2nd sweep the 52,2nd sweep 52 between plug body part side part 43 and intermediate curved section 45, convexly bends rearward.The bending radius of curvature of the 1st sweep 51 and the bending radius of curvature of the 2nd sweep 52 are less than the bending radius of curvature of intermediate curved section 45.
And linking part 35 also has the 3rd sweep the 53,3rd sweep 53 between main part side part the 41 and the 1st sweep 51, and forwards side convexly bends.Further, linking part 35 also has the 4th sweep the 54,4th sweep 54 between plug body part side part the 43 and the 2nd sweep 52, and forwards side convexly bends.As described above, linking part 35 is configured to have 5 sweeps 45,51,52,53,54.
Then, reference Fig. 7 is while illustrate the shape of the linking part 35 under the 2nd state.
In order to become the 2nd state from the 1st state transfer, and making plug body part 33 rotate 180 ° in the plane containing tubular axis line A1 and cylinder axis A3, afterwards plug body part 33 being coated at the top 31a of main part 31.Now, linking part 35 is out of shape at above-mentioned plane inner bending, becomes the state having residual stress in each portion of linking part 35.Under the 2nd state, be also have linking part 35 along the plane containing tubular axis line A1 and cylinder axis A3.
Under the 2nd state, the linking part 35 after distortion has: main part side part 41, and the lateral surface 31s of its main body 31 forwards rolls and tiltedly extends; Plug body part side part 43, it extends rearward obliquely from the lateral surface 33s of the cylindrical portion 33h of plug body part 33.Further, linking part 35 also has the middle interconnecting piece 60 main part side part 41 and plug body part side part 43 coupled together.This middle interconnecting piece 60 comprises: base end side part 61, and it is connected with main part side part 41, convexly bends rearward; Tip side part 62, it extends from plug body part side part 43, convexly bends to above-mentioned tip side.As described above, under the 2nd state, linking part 35 has above-mentioned 4 parts demarcated by single dotted broken line in Fig. 7, in the shape of front and back symmetry.
Then, the fixture structure being used 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 top side of the lateral surface 31s of main part 31, relative with this lateral surface 31s.In addition, the top side on the lateral surface 31s of main part 31 is formed with stationary gripping part 72, and this stationary gripping part 72 is relative with clamping components 71, extends along cylinder axis direction.The clamping object of regulation can be clamped between clamping components 71 and stationary gripping part 72.In other words, clamping components 71 and stationary gripping part 72 form fixture structure, and fistula lid 30 is fixed on above-mentioned object by the object that this fixture structure is used for by clamping the regulation be fixed.
Clamping components 71 has can by the opening and closing operations portion 71a pressed down towards main part 31 side, user can by pressing down this opening and closing operations portion 71a towards main part 31 and make clamping components 71 that elastic deformation occur, thus carry out opening and closing between the front end of clamping components 71 and stationary gripping part 72.Afterwards, object can be clamped between the front portion of clamping components 71 and stationary gripping part 72.Opening and closing operations portion 71a has and presses down the vertical lower pressure surface 71b in direction with it, easily to carry out the pressing action of such opening and closing operations portion 71a.Further, in the below of this lower pressure surface 71b and the following side of the lateral surface 31s of main part 31 is provided with bearing-surface 73.User can clip by utilizing finger the opening and closing operations that clamping components 71 is carried out in the action pressing down face 71b and bearing-surface 73.
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.According to this structure, when fistula lid 30 is installed on pipe 2a, lower pressure surface 71b and bearing-surface 73 are positioned at terminal part 2c (Fig. 2) position on the front than pipe 2a.Thus, when carrying out the opening and closing operations of clamping components 71 in this condition, the finger of user is difficult to contact with the terminal part 2c of cardinal extremity 31b, pipe 2a, thus can maintain the spatter property of terminal part 2c.Further, the finger of user only contacts with bearing-surface 73 with lower pressure surface 71b, can with contacting with the spin lock 2d that the cardinal extremity 31b of fistula lid 30 is screwed.Therefore, it is possible to suppress accidentally make spin lock 2d lax and cause fistula lid 30 to come off from pipe 2a.
As shown in Figure 8, fistula lid 30 is hung on the edge 75a of bucket 75 by clamping components 71 and is fixed.Such as, the fixing of such fistula lid 30 is sometimes needed when the startup filling process of blood circuit 2 (Fig. 2).That is, when starting filling process, as shown in Figure 8 fistula lid 30 being fixed on bucket 75, the normal saline etc. of discharging from fistula lid 30 is directly discarded in bucket 75.In addition, be provided with through hole 33p (with reference to Fig. 2) at the front end face of plug body part 33, the normal saline in blood circuit 2 etc. are discharged via this through hole 33p.
When for like this fistula lid 30 being fixed on bucket 75, the edge 75a of bucket 75 is inserted between clamping components 71 and stationary gripping part 72 from front.Inclined plane (insertion guide surface) 71e tilted towards oblique inferoanterior relative to the direction of insertion of edge 75a is formed in the front end of clamping components 71.Thus, when for fistula lid 30 is fixed on bucket 75, the edge 75a of bucket 75 can be made to be guided while inserted swimmingly between clamping components 71 and stationary gripping part 72 by inclined plane 71e.In addition, for same object, be also formed with inclined plane 72e in the front end of stationary gripping part 72.Therefore, it is possible to easily carry out the operation of fistula lid 30 being fixed on bucket 75 when starting filling process.
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, and its main body 31 extends to diagonally forward; Plug body part side part 43, it extends to diagonally forward obliquely from plug body part 33; Intermediate curved section 45, it, between main part side part 41 and plug body part side part 43, convexly bends rearward.According to such shape, then when to the 2nd state transfer, the bending stress produced at diastrophic linking part 35 easily scatter.Therefore, it is possible to avoid bending stress to concentrate on a position of linking part 35, thus linking part 35 albefaction can be suppressed.In addition, if angle [alpha] (Fig. 6) be 40 ° ~ 60 °, angle beta (Fig. 6) is 40 ° ~ 60 °, then can effectively play above-mentioned action effect.
Further, linking part 35 has the 1st sweep 51 and the 2nd sweep 52 that radius of curvature as described above is less than the radius of curvature of intermediate curved section 45, and this structure also contributes to the stress dispersion making to produce at linking part 35.Further, linking part 35 has the 3rd sweep 53 between main part side part the 41 and the 1st sweep 51 as described above, and this structure also contributes to the bending stress dispersion making to produce at linking part 35.Further, linking part 35 has the 4th sweep 54 between plug body part side part the 43 and the 2nd sweep 52 as described above, and this structure also contributes to the bending stress dispersion making to produce at linking part 35.
In addition, from the 1st state to the 2nd state transfer time, in the plane containing tubular axis line A1 and cylinder axis A3, make plug body part 33 rotate 180 °, afterwards plug body part 33 be coated at the top 31a of main part 31.Now, convex strip portions 33j is concavo-convex chimeric with external thread part 31f, and limits plug body part 33 around tubular axis line A1 and rotate, therefore, it is possible to avoid linking part 35 to be distorted.As a result, can avoid producing twisting stress at linking part 35, thus albefaction inhibition can be improved.
Above, describe one embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment, can be out of shape in the scope not changing the main idea described in each claim.
description of reference numerals
2a, pipe; 2c, terminal part; 30, fistula lid; 31, main part; 31a, top; 31b, cardinal extremity; 31f, external thread part (concavo-convex fitting portion); 31s, lateral surface; 33, plug body part; 33h, cylindrical 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 sweep; 52, the 2nd sweep; 53, the 3rd sweep; 54, the 4th sweep; 60, middle interconnecting piece; 61, base end side part; 62, tip side part; 71, clamping components; 71a, opening and closing operations portion; 71b, lower pressure surface; 71e, inclined plane (insertion guide surface); 75, (clamping object) is struggled against; The edge of 75a, bucket; A1, tubular axis line; A3, cylinder axis.
Claims (12)
1. a fistula lid, this fistula lid is arranged on the terminal part of pipe, it is characterized in that,
This fistula lid has:
Main part, it is tubulose, and cardinal extremity is connected with above-mentioned end portion, and is communicated with above-mentioned pipe;
Plug body part, it has the cylindrical portion on the top surrounding aforementioned body portion, and this plug body part is installed on this top;
Linking part, the lateral surface of the lateral surface in aforementioned body portion and above-mentioned cylindrical portion links up by it,
Unloaded from above-mentioned top at above-mentioned plug body part, under the tubular axis line in aforementioned body portion is configured to parallel state with the cylinder axis of above-mentioned cylindrical portion,
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 extends to above-mentioned tip side obliquely from the lateral surface of the above-mentioned cylindrical portion of above-mentioned plug body part;
Intermediate curved section, it, between aforementioned body portion side part and above-mentioned plug body part side part, convexly bends to above-mentioned base end side.
2. fistula lid according to claim 1, is characterized in that,
Above-mentioned linking part has:
1st sweep, it convexly bends to above-mentioned base end side with the radius of curvature less than the radius of curvature of above-mentioned intermediate curved section between aforementioned body portion side part and above-mentioned intermediate curved section;
2nd sweep, it convexly bends to above-mentioned base end side with the radius of curvature less than the radius of curvature of above-mentioned intermediate curved section between above-mentioned plug body part side part and above-mentioned intermediate curved section.
3. fistula lid according to claim 2, is characterized in that,
Above-mentioned linking part has the 3rd sweep,
3rd sweep, between aforementioned body portion side part and above-mentioned 1st sweep, convexly bends to above-mentioned tip side.
4. the fistula lid according to Claims 2 or 3, is characterized in that,
Above-mentioned linking part has the 4th sweep,
4th sweep, between above-mentioned plug body part side part and above-mentioned 2nd sweep, convexly bends to above-mentioned tip side.
5. the fistula lid according to any one in Claims 1 to 4, is characterized in that,
The bearing of trend of aforementioned body portion side part tilts 40 ° ~ 60 ° relative to the tube axis direction in aforementioned body portion,
The bearing of trend of above-mentioned plug body part side part tilts 40 ° ~ 60 ° relative to the tube axis direction in aforementioned body portion.
6. the fistula lid according to any one in Claims 1 to 5, is characterized in that,
Above-mentioned cylindrical portion has the insert port inserted for above-mentioned top,
At above-mentioned plug body part by under the state of taking off from above-mentioned top, the above-mentioned insert port of above-mentioned cylindrical portion is to above-mentioned tip side opening.
7. the fistula lid according to any one in claim 1 ~ 6, is characterized in that,
Be formed with concavo-convex fitting portion at the medial surface of above-mentioned cylindrical portion and the lateral surface on above-mentioned top, this concavo-convex fitting portion engages with each other and rotates around above-mentioned tubular axis line for limiting above-mentioned plug body part.
8. the fistula lid according to any one in claim 1 ~ 6, is characterized in that,
This fistula lid also has clamping components, and this clamping components is located at the lateral surface in aforementioned body portion and relative with this lateral surface,
Above-mentioned clamping components has opening and closing operations portion, and when the opening and closing operations of this clamping components, this opening and closing operations portion is pressed by towards aforementioned body portion,
Above-mentioned opening and closing operations portion is positioned at than the position of above-mentioned cardinal extremity by above-mentioned tip side on the tube axis direction in aforementioned body portion.
9. fistula lid according to claim 8, is characterized in that,
Above-mentioned opening and closing operations portion has lower pressure surface, and this lower pressure surface is vertical with pressing direction when carrying out opening and closing operations.
10. fistula lid according to claim 8 or claim 9, is characterized in that,
Above-mentioned clamping components has insertion guide surface, and this insertion guide surface tilts towards above-mentioned tip side, for guiding this clamping object relative to the direction of insertion of clamping object.
11. fistula lids according to any one in claim 1 ~ 10, is characterized in that,
Aforementioned body portion, above-mentioned plug body part and above-mentioned linking part are integrally formed.
12. 1 kinds of fistula lids, this fistula lid is arranged on the terminal part of pipe, it is characterized 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 is communicated with above-mentioned pipe;
Plug body part, it has the cylindrical portion on the top surrounding aforementioned body portion, and this plug body part is installed on above-mentioned top;
Linking part, the lateral surface of the lateral surface in aforementioned body portion and above-mentioned cylindrical portion links 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 extends to above-mentioned base end side obliquely from the lateral surface of the above-mentioned cylindrical portion of above-mentioned plug body part;
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 with aforementioned body portion side part, convexly bends to above-mentioned base end side; Tip side part, it is connected with above-mentioned plug body part side part, convexly bends to above-mentioned tip side.
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 true CN104546262A (en) | 2015-04-29 |
| CN104546262B CN104546262B (en) | 2016-09-14 |
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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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489788Y (en) * | 2001-04-12 | 2002-05-08 | 刘艳 | Bend-type venous transfusion needle |
| JP2010279494A (en) * | 2009-06-03 | 2010-12-16 | Kawasumi Lab Inc | Male type shunt cap and extracorporeal circulation circuit |
| JP2011055911A (en) * | 2009-09-07 | 2011-03-24 | Kawasumi Lab Inc | Shunt cap and extracorporeal circulation circuit |
| 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 (2)
| 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 |
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489788Y (en) * | 2001-04-12 | 2002-05-08 | 刘艳 | Bend-type venous transfusion needle |
| JP2010279494A (en) * | 2009-06-03 | 2010-12-16 | Kawasumi Lab Inc | Male type shunt cap and extracorporeal circulation circuit |
| JP2011055911A (en) * | 2009-09-07 | 2011-03-24 | Kawasumi Lab Inc | Shunt cap and extracorporeal circulation circuit |
| 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 |
|---|---|
| JP6184286B2 (en) | 2017-08-23 |
| CN104546262B (en) | 2016-09-14 |
| JP2015073829A (en) | 2015-04-20 |
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