CN105148342B - Dialyzer joint and its processing method - Google Patents
Dialyzer joint and its processing method Download PDFInfo
- Publication number
- CN105148342B CN105148342B CN201510521283.9A CN201510521283A CN105148342B CN 105148342 B CN105148342 B CN 105148342B CN 201510521283 A CN201510521283 A CN 201510521283A CN 105148342 B CN105148342 B CN 105148342B
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- China
- Prior art keywords
- conduit
- wall
- connector
- connecting hole
- jig
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 33
- 230000037431 insertion Effects 0.000 claims abstract description 33
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000008280 blood Substances 0.000 abstract description 10
- 210000004369 blood Anatomy 0.000 abstract description 10
- 230000023555 blood coagulation Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000502 dialysis Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/0021—Special media to be introduced, removed or treated removed from and reintroduced into the body, e.g. after treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2207/00—Methods of manufacture, assembly or production
Abstract
A kind of dialyzer joint and its processing method, it is related to apparatus for purifying blood technical field, equipped with tubulose connector, the outer wall of tubulose connector is equipped with the external screw thread connecting with the screw-internal thread fit of connector sleeve, it is characterized in that being equipped with the compression connecting hole of taper in tubulose connector, catheter proximal end portion is in outer wall and the tapered sleeve shape for compressing connecting hole cooperation, inner wall and insertion pipe cooperation, and catheter proximal end portion is threaded through in tubulose connector with what compression connecting hole matched.The advantages that present invention has structure simple, easy to use, and conduit is connected firmly, non-binding gap, no step, reduces the residual blood coagulation in patient's use process, and manufacturing cost is cheap.
Description
Technical field
The present invention relates to apparatus for purifying blood technical field, elaborating is that a kind of structure is simple, easy to use, conduit connection
Solid and reliable, non-binding gap, the cheap dialyzer joint of manufacturing cost and its processing method.
Background technique
It is known that dialyzer utilizes semi-permeable membrane principle, by solute gradient, osmotic gradient and the hydraulic pressure gradient of film two sides
Difference realize the medical apparatus removed toxin and be detained excessive moisture, supplement required substance in vivo in vivo.Dialyzer exists
In use, dialyzer both ends are connected with extracorporeal circulation pipeline using dialyzer joint.Existing dialyzer joint connects for Rule
Head, it may be assumed that existing dialyzer both ends are respectively equipped with end cap, are equipped with the female connector of female Luer in the middle part of end cap, extracorporeal circulation pipeline with
Pin end one end of female Luer is connected, and extracorporeal circulation pipeline is connected through female Luer with dialyzer.As shown in fig. 1, Rule
The female connector of connector includes that the tapered insertion pipe 4 of outer wall and the connector sleeve 2 with internal screw thread 3, connector sleeve 2 are located at outside end cap 1
On middle side part, the center of end cap 1 that insertion pipe 4 is located in connector sleeve 2 it is upper and be connected on the inside of end cap 1, insertion pipe and connector sleeve
Middle line is overlapped;The pin end of female Luer are as follows: be equipped with tubulose connector 7, the outer wall of 7 front of tubulose connector is equipped with and connection
The external screw thread 5 that the internal screw thread 3 of set is cooperatively connected, equipped with the taper connection hole matched with insertion pipe 4 in tubulose connector front
6, tubulose, which connects, is equipped with conduit connecting hole in back of head, conduit connecting hole is connected to taper connection hole, and extracorporeal circulation pipeline is led
Pipe 8 is plugged in conduit connecting hole, and conduit is adhesively fixed with conduit connecting hole through adhesive.Existing this dialyzer joint,
Tubulose connector front is threadedly coupled, during insertion pipe insertion taper connection hole with connector sleeve, and insertion pipe is crushed on taper
When in connecting hole, since frictional force is larger between the two, the resistance tightened and need to overcome between two circular conical surfaces when tightening is further rotated
Power, screwing force is wasted in the circumference between the circular conical surface for overcoming sealing in friction, and rundown process is often beated, and is climbed
Phenomena such as row, certain nurses in special circumstances are difficult to judge whether to have tightened in place, cause the major accidents such as leakage blood.Existing dialysis
Device connector is injection moulded fittings, conduit is inserted into conduit connecting hole, both bonding, and inner wall is inevitable when conduit is Nian Jie with accessory
There are problems that be bonded gap, two kinds of step, the flowing of blood is caused to hinder, deposits blood, blood coagulation;Patient per's dialysis all can be because
Accessory and the step of bonding catheter generation, gap waste some blood and take care of the pence in long-term dialysis procedure, meeting
Biggish waste is caused to the blood of patient.
The more energy of expert of present haemodialysis field concentrate in the improvement of dialyzer, solve the problems, such as two above master
If it is required that clinical nurse is tightened connector and require to cut flat with as far as possible when Pipe Cutting with strength, but since PVC conduit is flexible or more
Or it less all can some deflections.The inside dimension of dialyzer joint is done in the Japanese Nip Lip river company proposition and basic internal diameter one of conduit
It causes, reduce step, but the method for accurately controlling and requiring conduit to cut flat with as far as possible of size makes all accessories all to equipment, mold
There is higher requirement, manufacturing cost is high, especially as disposable medical product, improves mould and die accuracy, raising is set
It is standby that this is required to be undoubtedly a kind of waste, it is unfavorable to the medical burden for further decreasing patient.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide that a kind of structure is simple, easy to use, and conduit connects
Connect solid and reliable, non-binding gap, the cheap dialyzer joint of manufacturing cost and its processing method.
The present invention solves technical solution used by above-mentioned the deficiencies in the prior art:
A kind of dialyzer joint, is equipped with tubulose connector, and the outer wall of tubulose connector is equipped with the internal screw thread with connector sleeve
The external screw thread of mating connection, it is characterised in that the compression connecting hole of taper is equipped in tubulose connector, catheter proximal end portion is in outer wall
With the tapered sleeve shape for compressing connecting hole cooperation, inner wall and insertion pipe cooperation, catheter proximal end portion is worn with what compression connecting hole matched
In tubulose connector.
The inner wall of heretofore described compression connecting hole is equipped with circular ring shape card slot, and conduit outer wall is equipped with and circular ring shape
The annular protrusion that card slot matches.
The maximum inner diameter in heretofore described catheter proximal end portion is greater than the minimum outer diameter of insertion pipe, minimum diameter (conduit
Internal diameter) it is less than the minimum outer diameter of insertion pipe.
Taper at the tapered sleeve shape in heretofore described catheter proximal end portion is identical as the taper of grafting pipe outer wall, before conduit
End maximum inner diameter is 0.8-1 times of insertion pipe maximum outside diameter, minimum diameter (catheter diameter) is insertion pipe minimum outer diameter 0.7-
0.9 times.
It is equipped with that internal diameter is identical with catheter outer diameter to be prolonged on rear side of compression connecting hole in heretofore described tubulose connector
Stretch hole.Elongated hole will not be to the connection of front when conduit is swung in use to conduit protection, positioning action
The sealing at place has an impact.
A kind of to prepare the machining tool that front end is in the conduit of tapered sleeve shape, including interior jig and outer jig, outer jig is point
The outer jig of body formula, outer jig middle part are equipped with bellmouth, and interior jig is equipped with tapered rod.Interior jig is the 6:100 cone for meeting national standard
Degree, but than standard hardware undersized, Expansion sealing provides compression space when to use;Outer jig is that simple copper mold is rough
It is made into 6:100 taper, required precision is low.The bellmouth inner wall of outer jig is equipped with toroidal cavity.Outer jig can be
Two hinged fixture blocks in side, two fixture block places of fitting are arranged bellmouth, separate two fixture blocks of outer jig outward, and bellmouth is
It opens.
The processing method of above-mentioned dialyzer joint, the tubulose connector are made by injection molding, it is characterised in that: described
Front end in tapered sleeve shape conduit processing method are as follows: with auxiliary pulling claw by conduit in an interference fit hard draw to above-mentioned
On interior jig, (at this time since conduit is in tensional state, natural formed with jig is fitted close the 6:100 cone for forming standard
Degree.) then outer jig inwardly clamp, to heating conduit, make its softening transform, last cooling duct, setting;By conduit by compressing
Connecting hole large diameter end penetrates tubulose connector, and dialyzer joint completes the process.
It is heretofore described to heating conduit, realize its softening by applying high frequency to it.High frequency makes PVC
The conduit of material is heated because of power plant's effect.
When the bellmouth inner wall of heretofore described outer jig is equipped with toroidal cavity, to heating conduit, keep its soft
Change and deforms and be embedded in the toroidal cavity of outer jig, last cooling duct, setting;By conduit by compression connecting hole large diameter end
Tubulose connector is penetrated, is embedded in the annular protrusion on conduit outer wall in circular ring shape card slot, dialyzer joint completes the process.
With dialyzer joint of the invention connector in mating connection on the end cap at dialyzer both ends in the prior art
The female connector of female Luer, it may be assumed that the end cap at dialyzer both ends is equipped with jointing, and jointing, which includes that outer wall is tapered, to be inserted
Adapter tube and tool internal thread connector sleeve, connection are set on the outer middle side part of end cap, and insertion pipe is located in the end cap in connector sleeve
It is connected on centre and with end cap inside.Insertion pipe is overlapped with the middle line of connector sleeve.
In the use of the present invention, catheter proximal end is directly socketed on the insertion pipe of taper, tubulose connector and connector sleeve spiral shell
Line cooperation is fastenedly connected, and conduit sealing is pressed on insertion pipe.In connection procedure, tubulose connector and conduit opposite can turn
Dynamic, so that screwing force is significantly more efficient for compressing conduit, being sealed, use is laborsaving, reliable;The annular protrusion of conduit outer wall
Insertion with circular ring shape card slot cooperates, and conduit is made to push conduit to transport forward under the premise of can relatively rotate with tubulose connector
It is dynamic, it is socketed and is pressed on insertion pipe.Tubulose connector of the invention no longer with contacting blood, can substantially reduce raw material and mould
The requirement of tool reduces production cost, is more suitable the realization of Flexible Production and automation.The present invention is simple with structure, makes
With convenient, conduit is connected firmly, non-binding gap, and no step reduces the residual blood coagulation in patient's use process, and manufacturing cost is cheap
The advantages that.
Detailed description of the invention
Fig. 1 is the end cap at dialyzer both ends in the prior art and the structural schematic diagram of existing connector.
Fig. 2 is structural schematic diagram of the invention.
Fig. 3 is the structural schematic diagram of tubulose connector in the present invention.
Fig. 4 is the structural schematic diagram in the present invention using machining tool to catheter fabrication.
Specific embodiment
Dialyzer joint as shown in Figure 2 and Figure 3, the conduit 12 including tubulose connector 11 and extracorporeal circulation pipeline, tubulose
The outer wall of connector 11 is equipped with the external screw thread 9 connecting with the screw-internal thread fit of connector sleeve 2 shown in Fig. 1, tubulose connector
The compression connecting hole 13 of taper is equipped in 11, compression connecting hole 13 is axially extending bore, and the inner wall for compressing connecting hole 13 is equipped with circle
Annular slot 14,12 front end of conduit is in insertion pipe cooperation shown in outer wall and the cooperation of compression connecting hole 13, inner wall and Fig. 1
Tapered sleeve shape, catheter proximal end portion are threaded through in tubulose connector with what compression connecting hole matched, and conduit outer wall is equipped with and annulus
The annular protrusion 10 that shape card slot 14 matches.The maximum inner diameter in catheter proximal end portion is greater than the end cap at dialyzer both ends in the prior art
On the minimum outer diameter of insertion pipe, minimum diameter (catheter diameter) be less than the grafting on the end cap at dialyzer both ends in the prior art
The minimum outer diameter of pipe.Annular protrusion is closed with circular ring shape card slot phase scarf, for providing the circular conical surface in catheter proximal end portion and insertion pipe
The thrust of sealing is done circlewise, when tubulose connector is tightened, is not the harder component relative friction of two quality, has with one
The generation for phenomena such as fixed flexible conduit is excessive, avoids bounce, creeps is stablized so that Force feedback is smooth when tightening,
Nurse can obtain accurate degree of tightening and feed back when tightening, reduce the risk of maloperation.
Preferred technical solution in the present invention are as follows: the taper of taper and grafting pipe outer wall at the tapered sleeve shape in catheter proximal end portion
Identical, catheter proximal end portion maximum inner diameter is 0.8-1 times of insertion pipe maximum outside diameter, minimum diameter (i.e. catheter diameter) is insertion pipe
0.7-0.9 times of minimum outer diameter.
The present invention is further improved, and the compression connecting hole rear portion of the tubulose connector is equipped with taper and is greater than compression connecting hole
The taper of taper pushes hole, and taper, which pushes hole, can generate biggish forward pushing force to conduit, prevents during installation, conduit
Stress is slided backward with respect to tubulose connector.It is equipped on rear side of compression connecting hole in the tubulose connector or on rear side of pushing hole
Internal diameter elongated hole 15 identical with catheter outer diameter.Elongated hole 15 plays protection, positioning action to conduit, and conduit is sent out in use
When raw swing, the sealing of the junction of front will not be had an impact.
As shown in Figure 4 prepares the machining tool that front end is in the conduit of tapered sleeve shape, including interior jig 16 and outer jig 17,
Outer jig is split type outer jig, is equipped with bellmouth in the middle part of outer jig, and bellmouth inner wall is equipped with toroidal cavity, on interior jig
Equipped with tapered rod.Interior jig is the 6:100 taper for meeting national standard, but is expanded than standard hardware undersized, when to use close
Envelope provides compression space;Outer jig is that simple copper mold is made into roughly 6:100 taper, and required precision is low, corresponding in shell
It can be fluted on position.Outer jig can be two hinged fixture blocks in side, and two fixture block places of fitting are arranged bellmouth, divide outward
Over jig two fixture blocks, bellmouth i.e. open.
The processing method of dialyzer joint of the invention, the tubulose connector are made by injection molding, the front end
Portion in the conduit of tapered sleeve shape processing method are as follows: with auxiliary pulling claw, by conduit 18, hard draw interior is controlled to above-mentioned in an interference fit
On tool 16, at this time since conduit is in tensional state, natural formed with jig is fitted close the 6:100 taper for forming standard.So
Outer jig inwardly clamps afterwards, is applied high frequency inside and outside jig clamping to conduit 18, high frequency makes the conduit of PVC material
Because power plant's effect is heated, conduit a part after heating, softening is embedded in the toroidal cavity of outer jig, and finally cooling is led
Pipe, setting;Conduit is penetrated into tubulose connector by compression connecting hole large diameter end, the annular protrusion on conduit outer wall is made to be embedded in circle
In annular slot, dialyzer joint is completed the process.
More cheap secondary material PE, PP etc. can be used due to no precision-fit face and blood contacting surface in the present invention,
It, can a multi-cavity mold because required precision is not high.Manufacturing cost is cheap.
In the use of the present invention, catheter proximal end is directly socketed on the insertion pipe of taper, tubulose connector and connector sleeve spiral shell
Line cooperation is fastenedly connected, and conduit sealing is pressed on insertion pipe.In connection procedure, tubulose connector and conduit opposite can turn
Dynamic, so that screwing force is significantly more efficient for compressing conduit, being sealed, use is laborsaving, reliable;The annular protrusion of conduit outer wall
Insertion with circular ring shape card slot cooperates, and conduit is made to push conduit to transport forward under the premise of can relatively rotate with tubulose connector
It is dynamic, it is socketed and is pressed on insertion pipe.Tubulose connector of the invention no longer with contacting blood, can substantially reduce raw material and mould
The requirement of tool reduces production cost, is more suitable the realization of Flexible Production and automation.The present invention is simple with structure, makes
With convenient, conduit is connected firmly, non-binding gap, and no step reduces the residual blood coagulation in patient's use process, and manufacturing cost is cheap
The advantages that.
Claims (5)
1. a kind of dialyzer joint is equipped with tubulose connector, the outer wall of tubulose connector is equipped with matches with the internal screw thread of connector sleeve
Close the external screw thread of connection, it is characterised in that be equipped with the compression connecting hole of taper in tubulose connector, catheter proximal end portion in outer wall with
The tapered sleeve shape of connecting hole cooperation, inner wall and insertion pipe cooperation is compressed, catheter proximal end portion is threaded through with what compression connecting hole matched
In tubulose connector;The inner wall of the compression connecting hole is equipped with circular ring shape card slot, and conduit outer wall is equipped with and circular ring shape card
The annular protrusion that slot matches;It is small that the maximum inner diameter in the catheter proximal end portion is greater than the minimum outer diameter of insertion pipe, minimum diameter
In the minimum outer diameter of insertion pipe.
2. dialyzer joint according to claim 1, it is characterised in that at the tapered sleeve shape in the catheter proximal end portion
Taper is identical as the taper of grafting pipe outer wall, and catheter proximal end portion maximum inner diameter is 0.8-1 times of insertion pipe maximum outside diameter, most
Small internal diameter is 0.7-0.9 times of insertion pipe minimum outer diameter.
3. according to claim 1 or dialyzer joint described in 2, it is characterised in that the compression in the tubulose connector
Internal diameter elongated hole identical with catheter outer diameter is equipped on rear side of connecting hole.
4. the processing method of dialyzer joint according to claim 1, dedicated machining tool includes interior jig and controls outside
Tool, outer jig are split type outer jig, bellmouth are equipped in the middle part of outer jig, interior jig is equipped with tapered rod;The tubulose connects
Connector is made by injection molding, it is characterised in that: the front end is in the processing method of the conduit of tapered sleeve shape are as follows: with auxiliary pulling claw
By on conduit in an interference fit hard draw to above-mentioned interior jig, then outer jig is inwardly clamped, and to heating conduit, keeps its soft
Change deformation, last cooling duct, setting;Conduit is penetrated into tubulose connector, dialyzer joint by compression connecting hole large diameter end
It completes the process.
5. the processing method of dialyzer joint according to claim 4, it is characterised in that the bellmouth of the outer jig
When inner wall is equipped with toroidal cavity, to heating conduit, makes its softening transform and be embedded in the toroidal cavity of outer jig, finally
Cooling duct, setting;Conduit is penetrated into tubulose connector by compression connecting hole large diameter end, makes the annular protrusion on conduit outer wall
It is embedded in circular ring shape card slot, dialyzer joint completes the process.
Priority Applications (1)
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CN201510521283.9A CN105148342B (en) | 2015-08-24 | 2015-08-24 | Dialyzer joint and its processing method |
Applications Claiming Priority (1)
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CN201510521283.9A CN105148342B (en) | 2015-08-24 | 2015-08-24 | Dialyzer joint and its processing method |
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CN105148342A CN105148342A (en) | 2015-12-16 |
CN105148342B true CN105148342B (en) | 2018-12-25 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105771083A (en) * | 2016-02-01 | 2016-07-20 | 河南科技大学第附属医院 | Shear-free extracorporeal circulation pipeline connector |
CN112237681B (en) * | 2020-09-15 | 2023-09-22 | 安徽通灵仿生科技有限公司 | Integrated minimally invasive catheter type heart auxiliary device |
CN115068804A (en) * | 2022-01-25 | 2022-09-20 | 邢朝阳 | Bubble removal device for assisting ECMO conduit connection |
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---|---|---|---|---|
CN1288392A (en) * | 1998-01-21 | 2001-03-21 | 约瑟夫·伦诺克斯·彼德斯 | Couplings for medical cannulae |
CN2721128Y (en) * | 2004-09-09 | 2005-08-31 | 吕进 | Disposable catheter and joint valve treating |
CN101119765A (en) * | 2004-04-23 | 2008-02-06 | 舍伍德服务股份公司 | Dual purpose adapter |
WO2010069361A1 (en) * | 2008-12-15 | 2010-06-24 | Carmel Pharma Ab | Connection arrangement and method for connecting a medical device to the connection arrangement |
CN102327667A (en) * | 2011-08-02 | 2012-01-25 | 常熟市赛爱斯医疗器材有限公司 | Matching structure for perfusion tube connector and perfusion tube connector lengthener |
CN204890748U (en) * | 2015-08-24 | 2015-12-23 | 威海威高血液净化制品有限公司 | Cerini dialyser cerini connects |
-
2015
- 2015-08-24 CN CN201510521283.9A patent/CN105148342B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1288392A (en) * | 1998-01-21 | 2001-03-21 | 约瑟夫·伦诺克斯·彼德斯 | Couplings for medical cannulae |
CN101119765A (en) * | 2004-04-23 | 2008-02-06 | 舍伍德服务股份公司 | Dual purpose adapter |
CN2721128Y (en) * | 2004-09-09 | 2005-08-31 | 吕进 | Disposable catheter and joint valve treating |
WO2010069361A1 (en) * | 2008-12-15 | 2010-06-24 | Carmel Pharma Ab | Connection arrangement and method for connecting a medical device to the connection arrangement |
CN102327667A (en) * | 2011-08-02 | 2012-01-25 | 常熟市赛爱斯医疗器材有限公司 | Matching structure for perfusion tube connector and perfusion tube connector lengthener |
CN204890748U (en) * | 2015-08-24 | 2015-12-23 | 威海威高血液净化制品有限公司 | Cerini dialyser cerini connects |
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CN105148342A (en) | 2015-12-16 |
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Address after: No.20, Xingshan Road, Weihai Torch hi tech Industrial Development Zone, Weihai City, Shandong Province, 264210 Patentee after: Shandong Weigao blood purification products Co.,Ltd. Address before: 264200 No. 20, Hing Shan Road, torch hi tech Industrial Development Zone, Weihai, Shandong, Weihai Patentee before: WEIHAI WEIGAO BLOOD PURIFICATION PRODUCTS Co.,Ltd. |