CN109157689A - A kind of two-chamber deep vein chimney filter device - Google Patents
A kind of two-chamber deep vein chimney filter device Download PDFInfo
- Publication number
- CN109157689A CN109157689A CN201811286254.9A CN201811286254A CN109157689A CN 109157689 A CN109157689 A CN 109157689A CN 201811286254 A CN201811286254 A CN 201811286254A CN 109157689 A CN109157689 A CN 109157689A
- Authority
- CN
- China
- Prior art keywords
- tube
- chamber
- connector
- bloodletting tube
- chimney filter
- 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.)
- Granted
Links
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
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3659—Cannulae pertaining to extracorporeal circulation
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of two-chamber deep vein chimney filter devices, including connector, bloodletting tube and plug；It is equipped with admission chamber in the connector, goes out sap cavity and back to the fluid chamber, the liquid feeding end of admission chamber and back to the fluid chamber is in open setting, and the outlet end of sap cavity is connected to the outlet end of admission chamber in open setting, the liquid feeding end of the outlet end of back to the fluid chamber and out sap cavity out；One end of the bloodletting tube is connect with the plug, and the other end of bloodletting tube is connect with connector, and admission chamber is connected to the inner cavity of bloodletting tube；The circumferential direction of bloodletting tube is evenly equipped with multiple groups feed liquor unit, and every group of feed liquor unit includes multiple inlet openings, axial direction being arranged on bloodletting tube equally of multiple inlet openings of every group of feed liquor unit along bloodletting tube.This invention ensures that smooth extraction of the blood chimney filter to blood in human vas, avoids secondary merging of the blood chimney filter because taking out not bleeding, improves the efficiency of blood filter.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of two-chamber deep vein chimney filter device.
Background technique
Blood filter be the arterial blood of patient is introduced into good permeability and with glomerular filtration membrane area comparable half
In permeable membrane filter, since there is transmembrane pressure gradients for blood area and film outer room, when blood passes through pass filter, blood plasma isolating protein
And outside the visible components such as cell, moisture and most of small molecular substance are filtered off, excessive in blood to reach removing retention
Moisture and solute therapeutic purposes.However, in operation, the inlet of blood chimney filter is easy to paste with blood vessel often
The phenomenon that closing, blood chimney filter caused to take out not bleeding；At this point, medical worker has to take out blood chimney filter from human vas, again
Row is inserted into human vas again behind the position of adjustment blood chimney filter, reduces the efficiency of blood filter.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of two-chamber deep vein chimney filter device, it ensure that blood chimney filter to human body blood
The smooth extraction of blood in pipe avoids secondary merging of the blood chimney filter because taking out not bleeding, improves the efficiency of blood filter.
The present invention provides a kind of two-chamber deep vein chimney filter devices, including connector, bloodletting tube and plug；The connection
It is equipped with admission chamber in vivo, goes out sap cavity and back to the fluid chamber, the liquid feeding end of admission chamber and back to the fluid chamber is in open setting, out the outlet end of sap cavity
It is arranged in opening, the liquid feeding end of the outlet end of back to the fluid chamber and out sap cavity is connected to the outlet end of admission chamber；The bloodletting tube
One end is connect with the plug, and the other end of bloodletting tube is connect with connector, and admission chamber is connected to the inner cavity of bloodletting tube；Blood drawing
The circumferential direction of pipe is evenly equipped with multiple groups feed liquor unit, and every group of feed liquor unit includes multiple inlet openings, multiple feed liquors of every group of feed liquor unit
Axial direction being arranged in bloodletting tube on equally of the hole along bloodletting tube.
Preferably, current limiting tube is fitted in the bloodletting tube, the both ends of current limiting tube are fixed with connector and plug respectively to be connected
It connects, current limiting tube corresponds to and is all provided with restricted orifice at the inlet opening of bloodletting tube, and the both ends of bloodletting tube are rotated with connector and plug respectively
Connection.
Preferably, the liquid feeding end of the connector is equipped with admission chamber with the annular convex platform of central axis, annular convex platform it is outer
Profile is connected with connection sealing bearing, and the side end face of inner ring and one end of current limiting tube of connection sealing bearing connect, connection sealing
The side end face of the outer ring of bearing and one end of bloodletting tube connect；The connecting pin of plug is equipped with connected unit, and the outer profile of connected unit connects
It is connected to position limiting sealed bearing, the side end face of the inner ring of position limiting sealed bearing and the other end of current limiting tube connect, position limiting sealed bearing
Outer ring side end face and bloodletting tube the other end connect.
Preferably, the feed liquor end face of the connector is equipped with the connecting shaft parallel with the central axis of annular convex platform, connecting shaft
It is equipped with connection bearing, the outer profile for connecting bearing is equipped with driving gear；The outer profile of connection sealing bearing is equipped with driven gear,
Driving gear and driven gear engagement.
Preferably, the driving gear is circumferentially evenly equipped with multiple limit holes by the end face of connector, and connector leans on driving tooth
It is equipped with confinement block at the outer profile of wheel, perforative slide opening is equipped in confinement block, being equipped in the slide opening of confinement block can opposite sliding
Gag lever post, gag lever post pass through confinement block slide opening be adaptedly embedded in the limit hole of driving gear.
Preferably, the remote driving gear end of the gag lever post is equipped with barre.
Preferably, outlet tube is connected on the connector, the inner cavity of outlet tube is connected to sap cavity out, and is set on outlet tube
There is one-hand clip.
Preferably, liquid back pipe is connected on the connector, the inner cavity of liquid back pipe is connected to back to the fluid chamber, and is set on liquid back pipe
There is one-hand clip.
The present invention have it is following the utility model has the advantages that
1, multiple groups feed liquor unit is evenly equipped with by the circumferential direction in bloodletting tube, and multiple inlet openings of every group of feed liquor unit are along pumping
The axial direction of blood vessel being arranged on bloodletting tube equally, when the feed liquor unit when side is bonded with vascular wall, other sides into
Liquid unit can be such that the blood in blood vessel can smoothly enter into bloodletting tube, thus ensure that blood chimney filter in human vas blood it is smooth
Extraction avoids secondary merging of the blood chimney filter because taking out not bleeding, improves the efficiency of blood filter；
2, the inlet opening of the metering hole of current limiting tube and bloodletting tube designs, and when rotating bloodletting tube, metering hole and inlet opening are in
Now dislocation arrangement, to limit the flow that vessel inner blood in the unit time enters current limiting tube, and then can efficiently control
Extraction speed of the blood through current limiting tube in blood vessel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the enlarged drawing of connector and bloodletting tube junction in Fig. 1；
Appended drawing reference:
1- connector, 11- admission chamber, 12- go out sap cavity, 13- back to the fluid chamber, 14- annular convex platform, and 15- connection seals bearing,
16- connecting shaft, 17- driving gear, 171- limit hole, 18- driven gear, 19- confinement block, 191- slide opening, 192- gag lever post,
193- barre, 2- bloodletting tube, 21- inlet opening, 3- plug, 31- connected unit, 32- position limiting sealed bearing, 4- current limiting tube, 41- current limliting
Hole, 5- outlet tube, 6- liquid back pipe, 7- one-hand clip.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
As depicted in figs. 1 and 2, a kind of two-chamber deep vein chimney filter device provided in this embodiment, including connector 1, pumping
Blood vessel 2 and plug 3；Be equipped with admission chamber 11 in connector 1, go out sap cavity 12 and back to the fluid chamber 13, admission chamber 11 and back to the fluid chamber 13 into
Liquid end is in open setting, and the outlet end of sap cavity 12 is in open setting, the outlet end of back to the fluid chamber 13 and the out liquid feeding end of sap cavity 12 out
It is connected to the outlet end of admission chamber 11.One end of bloodletting tube 2 is connect with plug 3, and the other end and connector 1 of bloodletting tube 2 connect
It connects, and admission chamber 11 is connected to the inner cavity of bloodletting tube 2；The circumferential direction of bloodletting tube 2 is evenly equipped with multiple groups feed liquor unit, every group of feed liquor unit
Including multiple inlet openings 21, multiple inlet openings 21 of every group of feed liquor unit along bloodletting tube axial direction equally be arranged in blood drawing
On pipe 2.
This two-chamber deep vein chimney filter device by being evenly equipped with multiple groups feed liquor unit in the circumferential direction of bloodletting tube 2, and every group into
Multiple inlet openings 21 of liquid unit along bloodletting tube 2 axial direction being arranged on bloodletting tube equally, when the feed liquor unit of side
When being bonded with vascular wall, the feed liquor unit of other sides can be such that the blood in blood vessel can smoothly enter into bloodletting tube 2, to ensure that blood
Smooth extraction of the chimney filter to blood in human vas avoids secondary merging of the blood chimney filter because taking out not bleeding, improves blood filter
Efficiency.
In practice process, usually using blood filter equipment control bloodletting tube 2 in human vas to the extraction speed of blood,
But blood filter equipment adjustment speed that blood is extracted be also there are a range intervals, blood filter equipment cannot reach be lower than or
Blood higher than the ranged space extracts speed.In order to solve the technical problem, current limiting tube 4, current limliting are fitted in bloodletting tube 2
The both ends of pipe 4 are fixedly connected with connector 1 and plug 3 respectively, are all provided with current limiting at the inlet opening of the corresponding bloodletting tube 2 of current limiting tube 4
Hole 41, the both ends of bloodletting tube 2 are rotatablely connected with connector 1 and plug 3 respectively.The metering hole 41 of current limiting tube 4 and bloodletting tube 2 into
Fluid apertures 21 designs, and when rotating bloodletting tube 2, dislocation arrangement is presented in metering hole 41 and inlet opening 21, to limit the unit time
Interior vessel inner blood enters the flow of current limiting tube 4, and then can efficiently control extraction speed of the blood through current limiting tube in blood vessel.
Specifically, the liquid feeding end of connector 1 is equipped with admission chamber 11 with the annular convex platform 14 of central axis, annular convex platform 14
Outer profile is connected with connection sealing bearing 15, and the side end face of the inner ring of connection sealing bearing 15 is connect with one end of current limiting tube 4, even
The side end face for connecing the outer ring of sealing bearing 15 is connect with one end of bloodletting tube 2.The connecting pin of plug 3 is equipped with connected unit 31, connection
The outer profile of platform 31 is connected with position limiting sealed bearing 32, and the side end face of the inner ring of position limiting sealed bearing 32 is another with current limiting tube 4
End connection, the side end face of the outer ring of position limiting sealed bearing 32 is connect with the other end of bloodletting tube 2.
For the ease of limiting the turned position of bloodletting tube 2 on demand, it is equipped with and annular convex platform 14 in the feed liquor end face of connector 1
The parallel connecting shaft 16 of central axis, connecting shaft 16 is equipped with connection bearing, and the outer profile for connecting bearing is equipped with driving gear 17；
The outer profile of connection sealing bearing 15 is equipped with driven gear 18, and driving gear 17 and driven gear 18 engage.Driving gear 17 leans on
The end face of connector 1 is circumferentially evenly equipped with multiple limit holes 171, and connector 1 is equipped with confinement block 19 at the outer profile of driving gear,
It is equipped with perforative slide opening 191 in confinement block 19, the gag lever post 192 that can be slided relatively, limit are equipped in the slide opening 191 of confinement block 19
The slide opening 191 that position bar 192 passes through confinement block 19 is adaptedly embedded in the limit hole 171 of driving gear 17.Gag lever post 192 it is remote
Driving gear end is equipped with barre 193.Gag lever post 192 is extracted into limit hole 171, i.e. rotatable driving gear 17 by barre 193,
To drive driven gear 18 and connection sealing bearing 15 to rotate；When the outer ring of connection sealing bearing 15 drives bloodletting tube 2 to rotate
When to required position, gag lever post 192 is inserted on driving gear 17 in corresponding limit hole by barre 193, realizes bloodletting tube 2
It is limited with the relative position of current limiting tube 4.
In addition, being connected with outlet tube 5 on connector 1, the inner cavity of outlet tube 5 is connected to sap cavity 12 out, and on outlet tube 12
Equipped with one-hand clip 7.Liquid back pipe 6 is connected on connector 1, the inner cavity of liquid back pipe 6 is connected to back to the fluid chamber 13, and is set on liquid back pipe 6
There is one-hand clip 7.
It should be noted that preferred embodiment above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
Can modify to technical solution documented by previous embodiment, or some or all of the technical features are carried out etc.
With replacement；And these are modified or replaceed, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
Range should all cover within the scope of the claims and the description of the invention.
Claims (8)
1. a kind of two-chamber deep vein chimney filter device, it is characterised in that: including connector, bloodletting tube and plug；
It is equipped with admission chamber in the connector, goes out sap cavity and back to the fluid chamber, the liquid feeding end of admission chamber and back to the fluid chamber is in open setting, out
The outlet end of sap cavity is connected to the outlet end of admission chamber in open setting, the liquid feeding end of the outlet end of back to the fluid chamber and out sap cavity；
One end of the bloodletting tube is connect with the plug, and the other end of bloodletting tube is connect with connector, and admission chamber and blood drawing
The inner cavity of pipe is connected to；The circumferential direction of bloodletting tube is evenly equipped with multiple groups feed liquor unit, and every group of feed liquor unit includes multiple inlet openings, every group into
Axial direction being arranged in bloodletting tube on equally of the multiple inlet openings of liquid unit along bloodletting tube.
2. two-chamber deep vein chimney filter device according to claim 1, it is characterised in that:
Current limiting tube is fitted in the bloodletting tube, the both ends of current limiting tube are fixedly connected with connector and plug respectively, current limiting tube pair
It answers and is all provided with restricted orifice at the inlet opening of bloodletting tube, the both ends of bloodletting tube are rotatablely connected with connector and plug respectively.
3. two-chamber deep vein chimney filter device according to claim 2, it is characterised in that:
The liquid feeding end of the connector is equipped with admission chamber with the annular convex platform of central axis, and the outer profile of annular convex platform is connected with
Sealing bearing is connect, the side end face of inner ring and one end of current limiting tube of connection sealing bearing connect, the outer ring of connection sealing bearing
Side end face and one end of bloodletting tube connect；The connecting pin of plug is equipped with connected unit, and the outer profile of connected unit is connected with position limiting sealed
Bearing, the side end face of the inner ring of position limiting sealed bearing and the other end of current limiting tube connect, the side of the outer ring of position limiting sealed bearing
The connection of the other end of face and bloodletting tube.
4. two-chamber deep vein chimney filter device according to claim 3, it is characterised in that:
The feed liquor end face of the connector is equipped with the connecting shaft parallel with the central axis of annular convex platform, and connecting shaft is equipped with connecting shaft
It holds, the outer profile for connecting bearing is equipped with driving gear；Connection sealing bearing outer profile be equipped with driven gear, driving gear and from
Moving gear engagement.
5. two-chamber deep vein chimney filter device according to claim 4, it is characterised in that:
The driving gear is circumferentially evenly equipped with multiple limit holes by the end face of connector, and connector is at the outer profile of driving gear
Equipped with confinement block, it is equipped with perforative slide opening in confinement block, the gag lever post that can be slided relatively, limit are equipped in the slide opening of confinement block
The slide opening that bar passes through confinement block is adaptedly embedded in the limit hole of driving gear.
6. two-chamber deep vein chimney filter device according to claim 5, it is characterised in that:
The remote driving gear end of the gag lever post is equipped with barre.
7. two-chamber deep vein chimney filter device according to claim 1, it is characterised in that:
Outlet tube is connected on the connector, the inner cavity of outlet tube is connected to sap cavity out, and outlet tube is equipped with one-hand clip.
8. two-chamber deep vein chimney filter device according to claim 1, it is characterised in that:
Liquid back pipe is connected on the connector, the inner cavity of liquid back pipe is connected to back to the fluid chamber, and liquid back pipe is equipped with one-hand clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286254.9A CN109157689B (en) | 2018-10-31 | 2018-10-31 | Double-cavity deep venous blood filter tube device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286254.9A CN109157689B (en) | 2018-10-31 | 2018-10-31 | Double-cavity deep venous blood filter tube device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109157689A true CN109157689A (en) | 2019-01-08 |
| CN109157689B CN109157689B (en) | 2021-03-02 |
Family
ID=64876302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286254.9A Active CN109157689B (en) | 2018-10-31 | 2018-10-31 | Double-cavity deep venous blood filter tube device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109157689B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10003847A1 (en) * | 2000-01-31 | 2001-08-02 | Sms Demag Ag | Device for spraying pickling or rinsing liquid onto a metal item to be treated |
| US20100152698A1 (en) * | 2008-12-12 | 2010-06-17 | Cook Incorporated | Anti-thrombogenic catheter and method |
| CN102500039A (en) * | 2011-10-26 | 2012-06-20 | 江兴华 | Double-cavity central venous catheter |
| CN103157150A (en) * | 2013-03-21 | 2013-06-19 | 赵尚平 | Net side hole partial pressure adherence resistant single needle double-chamber pipe |
| US20130274711A1 (en) * | 2012-04-11 | 2013-10-17 | Therese J. O'Day | Variable Infusion Length Catheter And Method |
| CN203425289U (en) * | 2013-08-21 | 2014-02-12 | 古嘉强 | Fat transplantation collecting needle |
| US20140163530A1 (en) * | 2012-12-01 | 2014-06-12 | Wake Forest University Health Sciences | Non-pressure transducing flushable catheter |
| CN104039385A (en) * | 2011-11-30 | 2014-09-10 | 弗雷森纽斯医疗护理德国有限责任公司 | Connector with double lumen tube |
| US20150165136A1 (en) * | 2013-12-12 | 2015-06-18 | STELA Medical, LLC | Medicament Delivery System Having a Selectable Delivery Spray Pattern and a Method of its Use |
| US9192755B2 (en) * | 2005-11-10 | 2015-11-24 | Phase One Medical, Llc | Catheter device |
| WO2016022797A1 (en) * | 2014-08-06 | 2016-02-11 | Edwards Lifesciences Corporation | Multi-lumen cannulae |
| CN208002767U (en) * | 2017-09-12 | 2018-10-26 | 刘安锋 | A kind of Ispectoscope for oral examination facilitating adjusting |
-
2018
- 2018-10-31 CN CN201811286254.9A patent/CN109157689B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10003847A1 (en) * | 2000-01-31 | 2001-08-02 | Sms Demag Ag | Device for spraying pickling or rinsing liquid onto a metal item to be treated |
| US9192755B2 (en) * | 2005-11-10 | 2015-11-24 | Phase One Medical, Llc | Catheter device |
| US20100152698A1 (en) * | 2008-12-12 | 2010-06-17 | Cook Incorporated | Anti-thrombogenic catheter and method |
| CN102500039A (en) * | 2011-10-26 | 2012-06-20 | 江兴华 | Double-cavity central venous catheter |
| CN104039385A (en) * | 2011-11-30 | 2014-09-10 | 弗雷森纽斯医疗护理德国有限责任公司 | Connector with double lumen tube |
| US20130274711A1 (en) * | 2012-04-11 | 2013-10-17 | Therese J. O'Day | Variable Infusion Length Catheter And Method |
| US20140163530A1 (en) * | 2012-12-01 | 2014-06-12 | Wake Forest University Health Sciences | Non-pressure transducing flushable catheter |
| CN103157150A (en) * | 2013-03-21 | 2013-06-19 | 赵尚平 | Net side hole partial pressure adherence resistant single needle double-chamber pipe |
| CN203425289U (en) * | 2013-08-21 | 2014-02-12 | 古嘉强 | Fat transplantation collecting needle |
| US20150165136A1 (en) * | 2013-12-12 | 2015-06-18 | STELA Medical, LLC | Medicament Delivery System Having a Selectable Delivery Spray Pattern and a Method of its Use |
| WO2016022797A1 (en) * | 2014-08-06 | 2016-02-11 | Edwards Lifesciences Corporation | Multi-lumen cannulae |
| CN208002767U (en) * | 2017-09-12 | 2018-10-26 | 刘安锋 | A kind of Ispectoscope for oral examination facilitating adjusting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109157689B (en) | 2021-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2880513C (en) | Blood flow reversal valves and related systems | |
| ITBO20070811A1 (en) | INFUSION GROUP OF A REPLACEMENT SOLUTION FROM A DIALYSIS MACHINE | |
| WO2014169023A3 (en) | Blood flow system with operator attachable components | |
| DE102012102272A1 (en) | Piston pump; Device for supplying and dosing a fluid for medical purposes by means of a piston pump | |
| US20220387689A1 (en) | Dialysis fluid connection system and method | |
| IL265532B2 (en) | Devices and methods for vascular hyperperfusion of extravascular space | |
| KR101823107B1 (en) | Spike cap and pretreatment method of sap set using this spike cap | |
| CN109157689A (en) | A kind of two-chamber deep vein chimney filter device | |
| US20230050010A1 (en) | Interface device between an external equipment and lines intended to be connected to a patient system | |
| KR20220039652A (en) | Enhanced 3-way connector | |
| CN102872487A (en) | Check valve for dialysis and one-way control device for dialysis | |
| CN203370153U (en) | Anti-reflux venous indwelling needle | |
| EP3620190A1 (en) | Hemodialysis device assembly | |
| CN209770983U (en) | peritoneal dialysis cassette assembly | |
| CN208660031U (en) | A kind of medical connector | |
| CN103599581B (en) | A kind of anti-return precision filter infusion set | |
| CN107242849B (en) | Endoscope perfusion device | |
| CN209019529U (en) | A kind of drainage system fo r neurosurgical operation | |
| RU115202U1 (en) | VALVE OF THE UROLOGICAL ENDOSCOPE IRRIGATION SYSTEM | |
| KR101802465B1 (en) | Medical Equipment Mounted Valve Connector | |
| US11724017B2 (en) | Dialysis apparatus and priming method for dialysis apparatus | |
| WO2015154303A1 (en) | Medical positive-pressure switch connector | |
| CN213312420U (en) | Transfusion system | |
| CN216319187U (en) | Positioning pipeline of peritoneal dialysis catheter | |
| CN202427051U (en) | Automatic exhaust valve device for transfusion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |