CN205322885U - A fluid external member for external blood processing apparatus - Google Patents

Abstract

The utility model provides a fluid external member for external blood processing apparatus, includes box body, first fluid bag, second fluid bag, pipe fitting external member. The box body includes by first edge, second edge, the third is marginal and the shape of the marginal limited cardinal principle rectangle of fourth. The pipe fitting external member is including entry pipe fitting, emission pipe fitting, first bag pipe fitting and second bag pipe fitting. First bag pipe fitting is connected to the first fluid bag entry pipe fitting and discharges the pipe fitting, and second bag pipe fitting is connected to the second fluid bag entry pipe fitting and discharges the pipe fitting. The box body is including the circular shape pump case is personally experienced sth. Part of the body roughly, the rectangle keeps casing, a pair of rectangle opening, arc extension and manage the guide extension roughly.

Description

Fluid external member for extracorporeal blood treatment

Technical field

Utility model described herein relates to the fluid external member with box body, and this box body is for being attached to extracorporeal blood treatment by pipe fitting。

Background technology

There is the fluid external member of multiple box for simplifying the pump and/or valve being attached in extracorporeal blood treatment by pipe fitting。Extracorporeal blood treatment uses one or more solution to extract harmful substance from blood。Pipe fitting is for moving new soln in a device, consuming solution and exhaust fluid。The box of pipe fitting is set in known manner by using, reduces or eliminate the demand placing independent pipe fitting section in pump and/or valve, it is possible to simplify on the pump of blood processor in vitro and valve or the loading of pipe fitting therein。

U.S. Patent No. 8,454,553 discloses a kind of case module abandoned carrying blood pump section。

Suitably loading and the subsequent operation of device for the pipe fitting for the treatment of that is ready for, it is important to the orientation of the box device of its attachment relatively。But, some box possibilities will not provide particularly effective visual reference to provide the user the guiding being appropriately directed on device by box。

Utility model content

This document describes the fluid external member with box body for being attached to by pipe fitting in extracorporeal blood treatment。

In one or more embodiments, box body can include the one or more features for positioning each several part pipe fitting in fluid external member, it being desirably placed thus interacting (interfacewith) with valve and peristaltic pump, placing these pipes individually when arranging extracorporeal blood treatment for use without user。

In one or more embodiments, the pump case of substantial circular, the maintenance housing of general rectangular, rectangular aperture, arcuate extensions and pipe guide one or more visual reference being appropriately directed that can pass through to provide indication box body on housing in extension, are adapted to assist in user and are appropriately directed on the housing of blood processor in vitro by box body。

In one or more embodiments, a kind of fluid external member for extracorporeal blood treatment described herein comprises the steps that box body, including base portion and be positioned at the end face above base portion, making when box body is attached to extracorporeal blood treatment and the base portion end face extracorporeal blood treatment dorsad towards extracorporeal blood treatment, box body limits box body volume between base portion and end face。Fluid external member may also include first fluid bag, second fluid bag and pipe fitting external member, and wherein a part for pipe fitting external member is maintained in the box body volume limited by box body。Box body can have by the shape of the first edge, the second edge, the 3rd edge and the 4th edge limited general rectangular。Fluid external member can include pipe fitting external member, this pipe fitting external member includes entrance pipe fitting, discharge pipe fitting, first bag of pipe fitting and second bag of pipe fitting, wherein first fluid bag is connected to entrance pipe fitting and discharge pipe fitting by first bag of pipe fitting, and wherein second fluid bag is connected to entrance pipe fitting and discharge pipe fitting by second bag of pipe fitting。Box body includes: the pump case of substantial circular, from the end face of box body, highlights in the first corner close to box body, and wherein the first corner forms the joint between first edge and the second edge of box body；The maintenance housing of general rectangular, prominent from the end face of box body and from the 3rd edge from the first edge of box body to box body extends, and wherein the pump case of substantial circular is between first corner and the maintenance housing of general rectangular of box body；A pair rectangular aperture, is formed by the maintenance housing of general rectangular, and wherein, each rectangular aperture both passes through box body；Arcuate extensions, stretches out from the 4th edge of box body；And pipe guides extension, stretch out from the 3rd edge of box body, wherein, pipe guides an edge of extension to be directed in the second corner of box body with the 4th edge of box body, this the second corner joint between the 3rd edge and the 4th edge of box body, wherein pipe guiding extension only occupies the part at the 3rd edge of box body。

In one or more embodiments of fluid external member, pipe guides extension to include guiding the pipe measured between end face and the base portion of box body of extension to guide extension height at pipe, and this pipe guides extension height less than the box body height measured between the end face and base portion of box body。

In one or more embodiments of fluid external member, the housing that keeps of general rectangular has the width being gradually reduced, this width being gradually reduced is when moving along the length the 3rd relative edge from the first edge of box body to box body keeping housing of general rectangular, between the second edge and the 4th edge, the end face that strides across box body measured。

In one or more embodiments of fluid external member, keep, by general rectangular, a pair rectangular aperture equivalently-sized that housing formed。

In one or more embodiments of fluid external member, entrance pipe fitting passes through the first edge entrance box body volume along box body of the opening between the end face and base portion of box body。

In one or more embodiments of fluid external member, at least one in discharge pipe fitting, first bag of pipe fitting and second bag of pipe fitting guides the opening formed in extension to enter box body volume by pipe。

In one or more embodiments of fluid external member, discharge pipe fitting, first bag of pipe fitting and second bag of pipe fitting guide the opening formed in extension to enter box body volume by pipe。

As herein and in following claims use, if not context is expressly stated otherwise, then " ", " " and " being somebody's turn to do " of singulative includes plural reference。It is therefoie, for example, the reference of " one " or " being somebody's turn to do " parts can be included one or more parts and equivalent well known by persons skilled in the art。And, term "and/or" refers to the one in listed element or the combination of any the two or many persons all or in listed element。

It should be noted that term " including " and deformation thereof occur that these term places not have limited significance in description of enclosing。And, " one ", " one ", " described ", " at least one " and " one or more " can alternatively use in this article mutually。

Above-mentioned general introduction is not intended to each embodiment or every kind of embodiment that describe the fluid external member used in extracorporeal blood treatment as herein described。But the picture by referring to accompanying drawing the described and claimed in conjunction with property embodiment illustrated below, it will manifest and recognize of the present utility model being more completely understood by。

Accompanying drawing explanation

Including accompanying drawing herein for being further appreciated by this utility model, accompanying drawing is integrated with in description to form a part for description。

Fig. 1 is the axonometric chart of an embodiment of fluid external member described herein。

Fig. 2 is the amplification stereogram of the box body of the fluid external member of Fig. 1。

Fig. 3 is the amplification plan view of the box body described in Fig. 1。

Fig. 4 is the amplification front elevation of the feather edge of the box body described in Fig. 1。

Fig. 5 is the amplification front elevation of the right hand edge of the box body described in Fig. 1。

Fig. 6 is the amplification front elevation of the left hand edge of the box body described in Fig. 1。

Fig. 7 is the amplification front elevation of the top edge of the box body described in Fig. 1。

Fig. 8 is the amplification stereogram of the top edge of the box body described in Fig. 2 and Fig. 7。

Fig. 9 is the amplification view of the rear side of the box body of Fig. 1, depicts the part of the pipe fitting external member being arranged in box body volume described herein。

Detailed description of the invention

In the description of following illustrative examples, being quoted attaching pictures in accompanying drawing, accompanying drawing constitutes a part for description, and illustrates multiple specific embodiment in the accompanying drawings in a schematic way。Should be understood that other embodiments is available, and structural change can be carried out under the premise without departing from scope of the present utility model。

The axonometric chart of Fig. 1 depicts an illustrative examples of the fluid external member 10 for extracorporeal blood treatment。Fluid external member 10 includes box body 20, first fluid bag 12, second fluid bag 14 and pipe fitting external member, and a part for this pipe fitting external member is maintained in box body 20。The part within box body 20 that is maintained at of pipe fitting external member includes multistage, and these sections are designed to interact with peristaltic pump and multiple valve thus controlling the motion of liquid by the pipe fitting in fluid external member 10。Specifically, box body 20 includes multiple feature, these features are designed to be positioned in fluid external member 10 by each several part of pipe fitting, it is made to be properly positioned to interact with valve and peristaltic pump, thus when user need not position these pipe fittings individually when arranging extracorporeal blood treatment for use。

With reference to such as Fig. 2 to Fig. 3, the illustrative examples of the fluid external member 10 described includes box body 20, and box body 20 includes base portion 25 and is positioned at the end face 26 above base portion 25。Base portion 25 is designed to, when fluid external member 10 is suitably attached to extracorporeal blood treatment, and the housing being closely located to this extracorporeal blood treatment of base portion。As a result of which it is, when box body 20 is attached in extracorporeal blood treatment and during base portion 25 end face 26 extracorporeal blood treatment dorsad towards extracorporeal blood treatment, box body 20 limits box body volume between base portion 25 and end face 26。

In one or more embodiments, box body 20 can be described as the general rectangular limited by the first edge 34, edge the 33, the 4th, the 31, second edge the 32, the 3rd, edge, and with upwardly extending from the end face 26 of box body 20 and/or from the outward extending various features in the edge of box body 20。

In one or more embodiments, box body 20 can construct with various materials, although box body 20 generally can by opaque or trnaslucent materials (the such as polymeric material etc.) structure that can mould in certain embodiments, but the pipe fitting in the volume needing box body 20 is completely visual during use, box body 20 can be manufactured by transparent material。

Fluid external member 10 described herein includes pipe fitting external member, and this pipe fitting external member includes the pipe fitting for first fluid bag 12 and second fluid bag 14 being connected with entrance pipe fitting 16 and discharge pipe fitting 18。In the illustrative examples described, pipe fitting can be set to the form of any suitable flexible medical pipe fitting, and this flexible medical pipe fitting is for moving the fluid used in the extracorporeal blood treatment attached by fluid external member 10。Similarly, first fluid bag 12 and second fluid bag 14 can by any suitable flexible polymeric materials structures, and this flexible polymeric materials is for operating the medical fluid relevant with extracorporeal blood treatment。And, fluid pouch 12,14 may also include multiple feature, such as fluid pouch being suspended on hole on suspension bracket, for adapter that pipe fitting is connected on fluid pouch etc.。

In the illustrative examples described, pipe fitting external member includes entrance pipe fitting 16, discharge 18, first bag of pipe fitting 13 of pipe fitting and second bag of pipe fitting 15。First bag of pipe fitting 13 for being connected to entrance pipe fitting 16 and discharge pipe fitting 18 by first fluid bag 12。Second bag of pipe fitting 15 for being connected to entrance pipe fitting 16 and discharge pipe fitting 18 by second fluid bag 14。Pipe fitting external member is also configured to the operation so that the setting according to valve and pump, and fluid can move to second fluid bag 14 from first fluid bag 12 and vice versa。In the system merging multiple fluid pouch described in such as U.S. Patent No. 7,588,725B2 by this way。

In one or more embodiments, fluid is entered fluid external member 10 by entrance pipe fitting 16 and is moved through the one or both in fluid pouch 12,14, until leaving fluid external member 10 eventually through discharge pipe fitting 18。Entrance pipe fitting 16 and discharge pipe fitting 18 can include multiple feature, the such as feature of Tube jointer, check valve, flow control valve, fixture etc., describing in each width figure of fluid external member described herein being used for, these some central features are described by the accompanying drawing labelling 19 on the accompanying drawing labelling 17 on entrance pipe fitting 16 and discharge pipe fitting 18。

In multiple optional features of the illustrative examples of box body 20, the pump case 40 of substantial circular is from the end face 26 of box body 20, highlight at the first corner 21 close to box body 20。In the embodiment depicted, the first corner 21 forms the joint between the first edge 31 and second edge 32 of box body 20。

In one or more embodiments, the pump case 40 of substantial circular can pass through to provide the visual reference being appropriately directed of indication box body 20 on housing, is adapted to assist in user and is appropriately directed on the housing of blood processor in vitro by box body 20。

Another optional feature of the illustrative examples of box body 20 is the maintenance housing 50 of general rectangular prominent from the end face 26 of box body 20。The housing 50 that keeps of general rectangular extends from the first edge 31 of box body 20 to the 3rd edge 33 of box body 20。In the embodiment depicted, the pump case 40 of substantial circular is between the first corner 21 and the maintenance housing 50 of general rectangular of box body 20。

In one or more embodiments, the housing 50 that keeps of general rectangular can pass through to provide the visual reference being appropriately directed of indication box body 20 on housing, helps user to be appropriately directed on the housing of blood processor in vitro by box body 20。

In one or more embodiments, box body 20 can include a pair rectangular aperture 52 formed by the maintenance housing 50 of general rectangular, and wherein each rectangular aperture 52 both passes through box body 20。Rectangular aperture 52 provides position for fixture, thus keeping box body 20 to be close to the housing of extracorporeal blood treatment in use。

In one or more embodiments, rectangular aperture 52, also by the visual reference being appropriately directed providing indication box body 20 on housing, helps user to be appropriately directed on the housing of blood processor in vitro by box body 20。

The another optional feature of the illustrative examples of box body 20 is the 4th outward extending arcuate extensions 60 in edge 34 from box body 20。In one or more embodiments, arcuate extensions 60 can pass through to provide the visual reference being appropriately directed of indication box body 20 on housing, helps user to be appropriately directed on the housing of blood processor in vitro by box body 20。

The 3rd outward extending pipe in edge 33 that another optional feature of the illustrative examples of box body 20 is from box body 20 guides extension 70。Pipe guides an edge 72 of extension 70 to be directed at the 4th edge 34 of box body 20 at the second corner 22 place of box body 20。Second corner 22 of box body 20 joint between the 3rd edge 33 and the 4th edge 34 of box body 20。In one or more embodiments, pipe guiding extension 70 only occupies the part at the 3rd edge 33 of box body 20。

In one or more embodiments, pipe guides extension 70 can pass through to provide the visual reference being appropriately directed of indication box body 20 on housing, helps user to be appropriately directed on the housing of blood processor in vitro by box body 20。

Include in one or more embodiments of box body 20 that pipe guides extension 70 described herein, pipe guides extension 70 to have and guides, at pipe, the pipe guiding extension height measured between end face 74 and the base portion 25 of box body 20 of extension 70, and this pipe guides extension height less than the box body height (referring to such as Fig. 2 and Fig. 4 to Fig. 6) measured between the base portion 25 and end face 26 of box body 20。

In one or more embodiments of the box body 20 keeping housing 50 including general rectangular described herein, the housing 50 that keeps of general rectangular can have the width being gradually reduced, and wherein the end face 26 keeping the width of housing 50 between the second edge 32 and the 4th edge 34, striding across box body 20 of general rectangular is measured。When moving to the 3rd relative edge 33 of box body 20 along the length keeping housing 50 of general rectangular from the first edge 31 of box body 20, this width reduces。

In one or more embodiments of the box body 20 of a pair rectangular aperture 52 keeping housing 50 to be formed included by general rectangular described herein, keep, by general rectangular, this equivalently-sized to rectangular aperture 52 that housing 50 formed。

In one or more embodiments of fluid external member 10 as herein described, the entrance pipe fitting 16 first edge 31 by the opening 116 between the base portion 25 and end face 26 of box body 20, along box body 20 enters the box body volume (referring to such as Fig. 8) limited by box body 20。

In one or more embodiments of fluid external member 10 as herein described, discharge pipe fitting 18 is by guiding the opening 118 formed in extension 70 to enter the box body volume (referring to such as Fig. 4) limited by box body 20 at pipe。

In one or more embodiments of fluid external member 10 as herein described, first bag of pipe fitting 13 is by guiding the opening 113 formed in extension 70 to enter the box body volume (referring to such as Fig. 4) limited by box body 20 at pipe。

In one or more embodiments of fluid external member 10 as described herein, second bag of pipe fitting 15 is by guiding the opening 115 formed in extension 70 to enter the box body volume (referring to such as Fig. 4) limited by box body 20 at pipe。

Fig. 9 depicts the dorsal part of the illustrative examples of box body 20, thus a part for the pipe fitting external member being shown in the box body volume limited by box body 20。As shown in the drawing, pipe fitting external member includes entrance pipe fitting 213, second bag of pipe fitting 215 of 216, first bag of pipe fitting and discharge pipe fitting 218。Various Y-connections 281 are located in box body volume with pipe fitting section 282,283,284 and 285 1。Pump line part section 286 also is located in box body volume, and the position of this pump line part section is placed through the Wriggling Pump Head in extracorporeal blood treatment and works。Pump line part section 286 is directly communicated to discharge pipe fitting 218。Selectively closing and opening pipe fitting section 282,283,284,285 and can allow selected flow path, these flow paths control liquid and pass in and out the movement of first fluid bag as herein described and second fluid bag。

The multiple illustrative examples of with extracorporeal blood treatment used in connection with fluid external member are had been discussed herein, and describes some feasible changes。And under the premise without departing from scope of the present utility model, these and other in this utility model changes and modifications and will be apparent to those skilled in the art, and should be understood that this utility model is not limited to illustrative examples in this paper。Therefore, this utility model only to be limited by the restriction of claim presented below and equivalence thereof。Should also be understood that this utility model is also suitably for practice when lacking any element for necessary element not specifically disclosed herein。

Claims (7)

1. the fluid external member (10) for extracorporeal blood treatment, including:

Box body (20), including base portion (25) and the end face (26) being positioned at described base portion (25) top, making when described box body (20) is attached in extracorporeal blood treatment and during described base portion (25) described end face (26) the described extracorporeal blood treatment dorsad towards described extracorporeal blood treatment, described box body (20) limits box body volume between described base portion (25) and described end face (26)；

First fluid bag (12)；

Second fluid bag (14)；

Pipe fitting external member, a part for wherein said pipe fitting external member is maintained within the box body volume limited by described box body (20)；

Wherein, described box body (20) includes the shape of the general rectangular limited by the first edge (31), the second edge (32), the 3rd edge (33) and the 4th edge (34)；

Wherein, described fluid external member (10) is characterised by:

Described pipe fitting external member includes entrance pipe fitting (16), discharge pipe fitting (18), first bag of pipe fitting (13) and second bag of pipe fitting (15), described first fluid bag (12) is connected to described entrance pipe fitting (16) and described discharge pipe fitting (18) by wherein said first bag of pipe fitting (13), and described second fluid bag (14) is connected to described entrance pipe fitting (16) and described discharge pipe fitting (18) by wherein said second bag of pipe fitting (15)；And

Described box body (20) including:

The pump case (40) of substantial circular, from the end face (26) of described box body (20), highlighting at the first corner (21) close to described box body (20), wherein said first corner (21) forms the joint between first edge (31) and the second edge (32) of described box body (20)；

The maintenance housing (50) of general rectangular, prominent from the end face (26) of described box body (20) and from the 3rd edge (33) from first edge (31) of described box body to described box body (20) extends, and the pump case (40) of wherein said substantial circular is positioned between described first corner (21) of described box body (20) and the maintenance housing (50) of described general rectangular；

A pair rectangular aperture (52), is formed by the maintenance housing (50) of described general rectangular, and wherein, each described rectangular aperture (52) both passes through described box body (20)；

Arcuate extensions (60), stretches out from the 4th edge (34) of described box body (20)；And

Pipe guides extension (70), stretch out from the 3rd edge (33) of described box body (20), wherein, described pipe guides an edge of extension to be directed at the second corner (22) place of described box body (20) with the 4th edge (34) of described box body (20), described second corner is positioned at the joint between the 3rd edge (33) and the 4th edge (34) of described box body (20), and wherein said pipe guides extension (70) only to occupy the part at the 3rd edge (33) of described box body (20)。

2. fluid external member according to claim 1, it is characterized in that, described pipe guides extension (70) to have and guides, at described pipe, the pipe guiding extension height measured between end face and the base portion of described box body (20) of extension (70), and described pipe guides extension height less than the box body height measured between the end face (26) and base portion (25) of described box body (20)。

3. fluid external member according to claim 1, it is characterized in that, the maintenance housing (50) of described general rectangular has the width being gradually reduced, this width being gradually reduced is when relative the 3rd edge (33) from from first edge (31) of described box body (20) to described box body (20) of the length of the maintenance housing (50) along described general rectangular is mobile, between described second edge (32) and described 4th edge (34), the end face (26) that strides across described box body (20) measured。

4. fluid external member according to claim 1, it is characterised in that this equivalently-sized to rectangular aperture (52) formed by the maintenance housing (50) of described general rectangular。

5. the fluid external member according to any one of claim 1 to 4, it is characterized in that, described entrance pipe fitting (16) by being positioned at opening between the end face (26) of described box body (20) and base portion (25), the first edge (31) along described box body (20) enters described box body volume。

6. the fluid external member according to any one of claim 1 to 4, it is characterized in that, at least one in described discharge pipe fitting (18), described first bag of pipe fitting (13) and described second bag of pipe fitting (15) guides the opening formed in extension (70) to enter described box body volume by described pipe。

7. the fluid external member according to any one of claim 1 to 4, it is characterized in that, described discharge pipe fitting (18), described first bag of pipe fitting (13) and described second bag of pipe fitting (15) guide the opening formed in extension (70) to enter described box body volume by described pipe。