CN201150709Y - Tube connector with breaking plug and peritoneal dialysis system with the tube connector - Google Patents

Tube connector with breaking plug and peritoneal dialysis system with the tube connector Download PDF

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Publication number
CN201150709Y
CN201150709Y CNU2008200787623U CN200820078762U CN201150709Y CN 201150709 Y CN201150709 Y CN 201150709Y CN U2008200787623 U CNU2008200787623 U CN U2008200787623U CN 200820078762 U CN200820078762 U CN 200820078762U CN 201150709 Y CN201150709 Y CN 201150709Y
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CN
China
Prior art keywords
plug
connecting portion
portion
fractures
adapter
Prior art date
Application number
CNU2008200787623U
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Chinese (zh)
Inventor
曹文灵
田敬爱
Original Assignee
北京奥星医药耗材有限公司
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Publication date
Application filed by 北京奥星医药耗材有限公司 filed Critical 北京奥星医药耗材有限公司
Priority to CNU2008200787623U priority Critical patent/CN201150709Y/en
Application granted granted Critical
Publication of CN201150709Y publication Critical patent/CN201150709Y/en

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Abstract

Disclosed are a pipe connector with a break plug and a peritoneal dialysis system with the connector, wherein the connector comprises a connection portion and a breakable portion integrally formed by the connection portion which gradually reduces, wherein a passage is formed inside the connection portion, the passage penetrates through the connection portion into the breakable portion, a first end of the connector is an inlet end of the passage, and the connector is sealed close to a second end of the breakable portion. The peritoneal dialysis system comprises a liquid medicine bag, a waste liquid bag and an external connection pipe arranged between the liquid medicine bag and the waste liquid bag, an outlet pipe of the liquid medicine bag is connected with the external connection pipe through the connector, wherein a first connection portion of the connector is sleeved with the outlet pipe of the liquid medicine bag, a second connection portion is sleeved with the external connection pipe, and the breakable portion is disposed inside the external connection pipe. The utility model provides a connection mode capable of increasing biocompatibility of the liquid medicine for the peritoneal dialysis system, and can avoid biocompatibility reduction of the liquid medicine when in connection with a PVC pipe.

Description

Pipeline connector that having fractures fills in and PDS with this adapter

Technical field

This utility model is relevant for a kind of medical connector and PDS, especially a kind of PDS that has the pipeline connector of the plug that fractures and have this adapter.

Background technology

PVC and non-PVC material are the medical packaging materials that uses in the market.But owing to contain plasticizer in the PVC material, in packing during medicinal liquid, can separate out and enter in the medicinal liquid, human body is caused murder by poisoning.Non-PVC material comprises polypropylene (PP), Merlon (PC) etc., plasticizer-containing not in this class material, and good biocompatibility begins to use at medical package material and medical instruments field.But the price of non-PVC material is apparently higher than the PVC material.

The performance difference of non-PVC material and PVC material is very big, can't the two be connected by the mode of welding, even gluing also very difficult.The machinery socket is reliable safe mode.This needs adapter and the plug that fractures, and the adapter middle part has the collar flange stopper section usually, and non-pvc pipe and pvc pipe are socketed on the both sides, stopper section, and the plug that fractures is placed in the pvc pipe.As shown in Figure 5, be the known structural representation that fractures and fill in.The fracture middle part of plug has an easy break, and the material of the plug that fractures usually can adopt Merlon or hard PVC material, and wherein, the Merlon plug that fractures is and the pvc pipe socket, and hard PVC material is made fracture fill in be with the pvc pipe socket after high-frequency welding.The existing plug and medicinal liquid contact in storage process with the PVC material of fractureing with the connected mode of pvc pipe, the plasticizer in the PVC material can be separated out to medicinal liquid, damages patient's peritoneum; In addition, owing to need two parts of processing, will cause production cost to increase greatly.

On the other hand, dialysis is the uremic a kind of main method of treatment, is divided into two kinds of peritoneal dialysis and hemodialysis usually.Compare with hemodialysis, peritoneal dialysis has many advantages such as the convenience of can being in is dialysed, medical expense is lower, is received by doctor and patient gradually.The main complication of peritoneal dialysis is a peritonitis, the generation that pattern design by dialysis system and material select to reduce patient's peritonitis, thereby the saturating patient's of raising abdomen quality of life.But adopt maximum PVC duplex bag dialysis systems at present, when pack dialysis solution with the PVC bag, the plasticizer in the PVC material can be separated out, and reduces the biocompatibility of medicinal liquid, can damage patient's peritoneum after entering in the patient body.

The utility model content

The purpose of this utility model is: provide a kind of pipeline connector with the plug that fractures, for PDS provides a kind of connected mode that can improve the medicinal liquid biocompatibility.

Another purpose of the present utility model is: a kind of PDS with aforementioned tube path connector is provided, can avoids the problem that causes the medicinal liquid biocompatibility to reduce when being connected with pvc pipe.

Technical solution of the present utility model is: a kind of pipeline connector with the plug that fractures, wherein, this adapter comprises connecting portion and the integrally formed broken portion by this connecting portion convergent, wherein, be formed with passage in this connecting portion, this passage connects in broken, and first end of this adapter be the arrival end of this passage, and this adapter is near second end sealing setting of broken portion.

Aforesaid pipeline connector with the plug that fractures, wherein, described adapter is made by non-PVC material.

Aforesaid pipeline connector with the plug that fractures, wherein, the periphery of this connecting portion convexes with the stopper section, constitutes first connecting portion between this stopper section and first end, constitute second connecting portion between this stopper section and second end, and this stopper section comprises axially extended fin more than.

Aforesaid pipeline connector with the plug that fractures, wherein, the periphery of described first connecting portion, second connecting portion and the periphery wall corresponding with described stopper section have tapering, and tapering is 1~5 °.

Aforesaid pipeline connector with the plug that fractures, wherein, described broken portion comprises cervical region that is formed by this connecting portion taper convergent and the flow path portion of closing on this second end.

Aforesaid pipeline connector with the plug that fractures, wherein, the junction of this connecting portion and this cervical region has minimum wall thickness (MINI W.), forms easy break.

Aforesaid pipeline connector with the plug that fractures, wherein, this flow path portion is for being sagittate contraction structure, and its periphery is concaved with runner vertically.

Aforesaid pipeline connector with the plug that fractures, wherein, this flow path portion comprises the alar part that is provided with at interval more than two, is arranged with between adjacent alar part to form described runner.

A kind of PDS with aforementioned adapter, this PDS comprises medicinal fluid bag, waste fluid bag and is connected external connecting pipe road between the two, it is characterized in that, the export pipeline of described medicinal fluid bag is connected with the external connecting pipe road by this adapter, wherein, first connecting portion of described adapter and the export pipeline of medicinal fluid bag socket-connect, and its second connecting portion and external connecting pipe road socket-connect, and described broken portion is located in the external connecting pipe road.

Aforesaid PDS, wherein, the arrival end on this external connecting pipe road is provided with a socket pipe, and the other end of this socket pipe is socketed on second connecting portion of this adapter, the broken portion of this adapter is located in this socket pipe, and is positioned at the upstream of this external connecting pipe road arrival end; Described medicinal fluid bag and export pipeline thereof are made by non-PVC material, and described waste fluid bag, external connecting pipe road and socket pipe are made by the PVC material; This medicinal fluid bag is provided with the dosing plug of being made by Merlon, and this waste fluid bag is provided with sampling plug, and is printed on scale.

The construction features of pipeline connector with the plug that fractures of the present utility model is as follows:

1. the connecting portion of this pipeline connector and broken are integrally formed, and being improved to by two parts of needs processing of known technology only needs to produce parts, will reduce production and circulation cost.

2. the whole non-PVC material that adopts of this pipeline connector is made, and as with Merlon (PC) or polypropylene (PP) material integral injection molding, can avoid the separating out of plasticizer in the PVC material, guarantees the safety of medicinal liquid in storage process.

3. its broken portion is set to broken line shape, is pulling when folding stress concentration like this, pulls easily to fracture.

4. the terminal placed arrow type structure of using, after fractureing, under the thrust of medicinal liquid, arrow partly moves forward, and liquid is along with each runner that protrudes between the alar part flows into the pipeline that connects.The front end width of each alar part is less than the diameter of external connecting pipe, and the rear end width so both can go out the space for liquid flow stream greater than the diameter of external connecting pipe, and circulation passage is provided, also can avoid being waved in pipeline by the flow path portion after fractureing in the liquid flow process, influence the medicinal liquid flow effect.

5. the length with the pipeline coupling part is 8-15mm, is convenient to connect firmly; The tapering of coupling part is 1-5 °, carries out the socket operation easilier when making assembling.

6. the transition portion between the different-diameter pipes connecting section of connecting portion (being the stopper section) is arranged to the form of non-solid rim.The bubble that can avoid like this producing in the injection moulding process is stuck in the thick wall part of transition portion.The flap-like structure of using can be used for the location of pipeline connection process.

PDS of the present utility model is provided with the aforementioned tube path connector, and except having above-mentioned advantage, because this system uses the medicinal fluid bag of non-PVC, but not PVC material plasticizer-containing not even if contact with medicinal liquid for a long time, also can guarantee the biological safety of medicinal liquid.In use, the broken portion of adapter is broken off with the fingers and thumb disconnected, medicinal liquid enters in the patient body by pipeline.Because medicinal liquid flows to the intravital time of patient about 10 minutes from medicinal fluid bag, therefore, will be in the physiological disposition although flow into through the pvc pipe on external connecting pipe road at medicinal liquid, so the amount of separating out of Duan time reactive plasticizer is few, thereby has avoided patient's peritoneum is caused harmful effect.

Description of drawings

The following drawings only is intended to this utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,

Fig. 1 is the structural representation of an embodiment with pipeline connector of the plug that fractures of the present utility model.

Fig. 2 A, Fig. 2 B are the structural representation of another embodiment with pipeline connector of the plug that fractures of the present utility model.

Fig. 3 is the structural representation of an embodiment of PDS of the present utility model.

Fig. 4 is the structural representation of the waste fluid bag that adopts among another embodiment of PDS of the present utility model.

Fig. 5 is the structural representation of the known plug that fractures.

The specific embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.

This utility model at first proposes a kind of pipeline connector with the plug that fractures, this adapter comprises connecting portion and the integrally formed broken portion by this connecting portion convergent, wherein, be formed with passage in this connecting portion, this passage connects in broken, and first end of this adapter is the arrival end of this passage, and this adapter is provided with near second end sealing of broken portion.

Fig. 1 is the structural representation of a specific embodiment with pipeline connector of the plug that fractures of the present utility model.As shown in the drawing, this pipeline connector comprises connecting portion 10, and is formed with broken 20 by these connecting portion 10 1 end convergents, and in the present embodiment, this adapter is made by non-PVC material.

Comprise cervical region 21 and flow path portion 23 for broken 20, wherein, cervical region 21 is to form behind the end taper convergent by connecting portion 10, this passage 19 connects to broken 20 cervical region 21, this adapter blind end is provided with flow path portion 23, and in the present embodiment, this flow path portion 23 is for being sagittate contraction structure, and periphery has the alar part 231 that is provided with at interval more than two, and every 231 adjacent of both wing portions are arranged with and form runner 230.As shown in the figure, in the present embodiment, the periphery of this flow path portion evenly is interval with four outstanding arrow shaped alar parts, is beneficial to the circulation of medicinal liquid.And the front end width of each alar part 231 is less than the diameter of external connecting pipe, and the rear end width is greater than the diameter of external connecting pipe, thereby when guaranteeing the smooth and easy circulation of medicinal liquid, this part floats in medicinal liquid and produces harmful effect after having avoided fractureing.

The periphery of this connecting portion 10 convexes with stopper section 15, this stopper section 15 is divided into this connecting portion near first connecting portion 11 of first end and close broken 20 second connecting portion 13, the periphery of described first connecting portion 11 and second connecting portion 13 all has tapering towards the stopper section direction, the wall thickness that is described first connecting portion 11 and second connecting portion 13 increases gradually towards the stopper section direction, in the present embodiment, this tapering can be 1~5 °.

As shown in Figure 1, this connecting portion 10 has minimum wall thickness (MINI W.) with the junction of this cervical region 21, form easy break 40, easily the thickness of break is 0.1-0.5mm, be preferably 0.3mm, and, can determine the thickness at these easy break 40 places according to different actual needs, need the different products of folding power of pulling thereby design and produce out.

Shown in Fig. 2 A, Fig. 2 B, be the structural representation of another specific embodiment of pipeline connector of the present utility model.

The structure of present embodiment and last embodiment are roughly the same, its main difference part is, among the last embodiment, this stopper section 15 is the peripheral filled circles ring-type stopper section that is provided with continuously, connecting portion stage casing, and in the present embodiment, this stopper section 35 comprises more than one the outwards outstanding and axially extended fin 351 by connecting portion stage casing periphery, and the periphery wall 350 of this stopper section correspondence has a tapering, is beneficial to the injection moulding demoulding.

Because the dot thickness easy to break that is positioned at the thinnest part at middle part of the present utility model is 0.1-0.5mm, on Process Technology of Polymer, belong to the very big thin-walled injection of difficulty, and when materials used is Merlon, because the flowability of Merlon is poor, cause difficulty of processing bigger, therefore, adopt the fin 351 of present embodiment will more help the thin-walled injection, thereby avoid the bubble that produces in the injection moulding process as stopper section 35.

By foregoing description, should be to the clear understanding of pipeline connector with the plug that fractures of the present utility model.Because to having relatively high expectations of the operating aspect of transfusion system pipeline connector, as when connecting non-pvc pipe and pvc pipe, will operating easily, and be connected firmly, therefore, will there be enough length the coupling part.For satisfying this requirement, in the present embodiment, the length of this adapter is greater than 45mm, and wherein, the length of first connecting portion and second connecting portion can be 8-15mm, the preferable selection about 12mm; Secondly, the pipe-line system after the connection should still can guarantee to be connected firmly after the water vapour sterilization, guarantees sealing, therefore, is to select the low makrolon material of shrinkage factor to make this adapter in the present embodiment; Pipeline connector with These characteristics, the plug of can guaranteeing to fracture in the medicinal liquid storage process is intact, guarantees that medicinal liquid can not leak; And in use, patient is the switch out plug that fractures easily.

As shown in Figure 3, this utility model also proposes a kind of PDS 200 with aforementioned tube path connector, this PDS 200 mainly comprises medicinal fluid bag 1, waste fluid bag 2 and is connected external connecting pipe road between the two, wherein, the external connecting pipe road is identical with known PDS, specifically please refer to shown in Figure 3ly, repeat no more herein.The characteristics of PDS of the present utility model are, the export pipeline 3 of this medicinal fluid bag 1 is connected by this pipeline connector 6 with the external connecting pipe road, wherein, first connecting portion of adapter 6 and the export pipeline 3 of medicinal fluid bag 1 socket-connect, socket-connecting of its second connecting portion and external connecting pipe road, in the specific implementation, as shown in Figure 3, this external connecting pipe road also is socketed with the bigger socket pipe of a diameter 7, the other end of socket pipe 7 is socketed on second connecting portion of this adapter 6, thereby make the broken portion of adapter 6 be located in this socket pipe, and be positioned at the upstream of external connecting pipe road arrival end.The pipeline that this pipeline connector with the plug that fractures is used for non-pvc pipe and PVC is connected, and avoids medicinal liquid contaminated.

In the PDS of the present utility model, waste fluid bag 2 and external connecting pipe road are identical with known technology, make by the PVC material, medicinal fluid bag 1 and export pipeline 3 thereof then are to be made by non-PVC material, also be provided with the dosing plug of being made by Merlon 5 on this medicinal fluid bag 1, this dosing plug 5 is connected to medicinal fluid bag 1 by the pipe that a length is about 4cm, can allow the nurse add medicine with the 2ml syringe easily like this, the nurse can be do not stabbed, medicinal fluid bag 1 can be do not worn out yet.In addition, also can be printed with scale on the waste fluid bag, be convenient to patient reads waste fluid bag after dialysis volume number.

In the present embodiment, the capacity of medicinal fluid bag 1 is 2000ml, dialysis solution is flow to patient from medicinal fluid bag be controlled at about 10 minutes the intravital time.

As shown in Figure 4, in another embodiment of PDS of the present utility model, this waste fluid bag 2 is provided with sampling plug 9, is convenient to nurse's sampling and chemically examines, and the material of sampling plug 9 and the size of connection tube thereof are similar to dosing plug 5, repeat no more herein.

By foregoing description as can be known, because non-PVC film harmful material such as plasticizer-containing not has excellent biological compatibility, therefore, this utility model uses non-PVC material can improve the biocompatibility of dialysis solution, can not damage patient's peritoneum.

In addition, in order to reduce the cost of whole system, adopt the external connecting pipe road and the waste fluid bag of PVC material.When the PVC connecting line is connected with non-PVC medicinal fluid bag, adopt the pipeline connector that has the plug that fractures that the two is connected.Before medicinal liquid used, medicinal liquid was kept in the medicinal fluid bag of non-PVC, because non-PVC material plasticizer-containing not even if contact with medicinal liquid for a long time, also can guarantee the biological safety of medicinal liquid.In use, the broken portion of adapter is broken off with the fingers and thumb disconnected, medicinal liquid enters in the patient body by pipeline.Because medicinal liquid flows to the intravital time of patient about 10 minutes from medicinal fluid bag, therefore, will be in the physiological disposition although flow into through the pvc pipe on external connecting pipe road at medicinal liquid, so the amount of separating out of Duan time reactive plasticizer is few, can ignore to the influence of patient's peritoneum.

The above only is the schematic specific embodiment of this utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that this utility model is protected.

Claims (10)

1, a kind of pipeline connector with the plug that fractures, it is characterized in that, this adapter comprises connecting portion and the integrally formed broken portion by this connecting portion convergent, wherein, be formed with passage in this connecting portion, this passage connects in broken, and first end of this adapter be the arrival end of this passage, and this adapter is near second end sealing setting of broken portion.
2, the pipeline connector with the plug that fractures as claimed in claim 1 is characterized in that described adapter is made by non-PVC material.
3, the pipeline connector with the plug that fractures as claimed in claim 2, it is characterized in that, the periphery of this connecting portion convexes with the stopper section, constitute first connecting portion between this stopper section and first end, constitute second connecting portion between this stopper section and second end, and this stopper section comprises axially extended fin more than.
4, the pipeline connector with the plug that fractures as claimed in claim 3 is characterized in that the periphery of described first connecting portion, second connecting portion and the periphery wall corresponding with described stopper section have tapering, and tapering is 1~5 °.
5, the pipeline connector with the plug that fractures as claimed in claim 3 is characterized in that described broken portion comprises cervical region that is formed by this connecting portion taper convergent and the flow path portion of closing on this second end.
6, the pipeline connector with the plug that fractures as claimed in claim 5 is characterized in that the junction of this connecting portion and this cervical region has minimum wall thickness (MINI W.), forms easy break.
7, the pipeline connector with the plug that fractures as claimed in claim 6 is characterized in that this flow path portion is for being sagittate contraction structure, and its periphery is concaved with runner vertically.
8, the pipeline connector with the plug that fractures as claimed in claim 7 is characterized in that this flow path portion comprises the alar part that is provided with at interval more than two, is arranged with between adjacent alar part and forms described runner.
9, a kind of PDS with the described pipeline connector of claim 1~8, this PDS comprises medicinal fluid bag, waste fluid bag and is connected external connecting pipe road between the two, it is characterized in that, the export pipeline of described medicinal fluid bag is connected with the external connecting pipe road by this adapter, wherein, the connecting portion two ends of described adapter socket-connect with the export pipeline and the external connecting pipe road of medicinal fluid bag respectively, and described broken portion is located in the external connecting pipe road.
10, the PDS with pipeline connector as claimed in claim 9, it is characterized in that, the arrival end on this external connecting pipe road is provided with a socket pipe, the other end of this socket pipe is socketed on the connecting portion of this adapter, the broken portion of this adapter is located in this socket pipe, and is positioned at the upstream of this external connecting pipe road arrival end; Described medicinal fluid bag and export pipeline thereof are made by non-PVC material, and described waste fluid bag, external connecting pipe road and socket pipe are made by the PVC material; This medicinal fluid bag is provided with the dosing plug of being made by Merlon, and this waste fluid bag is provided with sampling plug, and is printed on scale.
CNU2008200787623U 2008-01-28 2008-01-28 Tube connector with breaking plug and peritoneal dialysis system with the tube connector CN201150709Y (en)

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CNU2008200787623U CN201150709Y (en) 2008-01-28 2008-01-28 Tube connector with breaking plug and peritoneal dialysis system with the tube connector

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CN201150709Y true CN201150709Y (en) 2008-11-19

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014037110A1 (en) * 2012-09-05 2014-03-13 Beijing Austar Pharmmed Consumable Ltd. Pipeline connector
CN103656773A (en) * 2013-11-08 2014-03-26 浙江济民制药股份有限公司 Connector provided with breaking valve and specially used for peritoneal dialysis solution bag
CN104666080A (en) * 2015-03-11 2015-06-03 北京奥星医药耗材有限公司 Sealed type peritoneal dialysis solution double-bag system
CN106031697A (en) * 2015-03-10 2016-10-19 成都青山利康药业有限公司 An integrated peritoneal dialysis medicine liquid bag tube-opening connecting device
CN107554877A (en) * 2016-06-30 2018-01-09 华仁药业股份有限公司 A kind of non-PVC-soft-bag-packaged peritoneal dialysis liquid product and its production method
US9861733B2 (en) 2012-03-23 2018-01-09 Nxstage Medical Inc. Peritoneal dialysis systems, devices, and methods
US9907897B2 (en) 2011-03-23 2018-03-06 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9907897B2 (en) 2011-03-23 2018-03-06 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10046100B2 (en) 2011-03-23 2018-08-14 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10603424B2 (en) 2011-03-23 2020-03-31 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10610630B2 (en) 2011-03-23 2020-04-07 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US9861733B2 (en) 2012-03-23 2018-01-09 Nxstage Medical Inc. Peritoneal dialysis systems, devices, and methods
WO2014037110A1 (en) * 2012-09-05 2014-03-13 Beijing Austar Pharmmed Consumable Ltd. Pipeline connector
CN103656773A (en) * 2013-11-08 2014-03-26 浙江济民制药股份有限公司 Connector provided with breaking valve and specially used for peritoneal dialysis solution bag
CN103656773B (en) * 2013-11-08 2016-05-11 浙江济民制药股份有限公司 Be with the peritoneal dialysis liquid bag special purpose interface of the valve that fractures
CN106031697A (en) * 2015-03-10 2016-10-19 成都青山利康药业有限公司 An integrated peritoneal dialysis medicine liquid bag tube-opening connecting device
CN104666080A (en) * 2015-03-11 2015-06-03 北京奥星医药耗材有限公司 Sealed type peritoneal dialysis solution double-bag system
CN107554877A (en) * 2016-06-30 2018-01-09 华仁药业股份有限公司 A kind of non-PVC-soft-bag-packaged peritoneal dialysis liquid product and its production method

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GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: Hexi Road 100020 Beijing city Huairou District Yanqi Yanqi Economic Development Zone No. 3

Patentee after: Reno Little Plastic Technology (Beijing) Co., Ltd.

Address before: 100020, Chaoyang District, Beijing, 26 Wai Avenue, outward door, writing center, B block, 18 floor

Patentee before: AUSTAR PHARMMED CONSUMABLE LTD., BEIJING

C56 Change in the name or address of the patentee
CX01 Expiry of patent term

Granted publication date: 20081119

CX01 Expiry of patent term