CN110917426A - Double-pipeline switching type extracorporeal circulation device - Google Patents
Double-pipeline switching type extracorporeal circulation device Download PDFInfo
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- CN110917426A CN110917426A CN201911272509.0A CN201911272509A CN110917426A CN 110917426 A CN110917426 A CN 110917426A CN 201911272509 A CN201911272509 A CN 201911272509A CN 110917426 A CN110917426 A CN 110917426A
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- 238000010030 laminating Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010051093 Cardiopulmonary failure Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010066901 Treatment failure Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to the technical field of double-pipeline switching type extracorporeal circulation devices, and discloses a double-pipeline switching type extracorporeal circulation device which comprises a base, wherein a T-shaped groove is formed in the upper wall surface of the base, the T-shaped groove penetrates through the left and right side wall surfaces of the base, a sleeve pipe connected to a straight pipe is rotated, then the sleeve pipe is gradually withdrawn from the interior of the straight pipe, then the sleeve pipe moves backwards on a connecting pipe, then the connecting pipe connected with the straight pipe slides to one side far away from the straight pipe, then the other connecting pipe is slid to enable the other connecting pipe to move to the position aligned with the straight pipe, then the sleeve pipe is rotated to enable the sleeve pipe to move forwards on the connecting pipe corresponding to the straight pipe, then the sleeve pipe moves to the interior of the straight pipe and is connected with the straight pipe through threads, and the arrangement is convenient for replacing pipelines and switching, and avoids the problem that, therefore, the valve needs to be switched continuously during replacement, which wastes time and labor.
Description
Technical Field
The invention relates to the technical field of double-pipeline switching type extracorporeal circulation devices, in particular to a double-pipeline switching type extracorporeal circulation device.
Background
Extracorporeal circulation is a life support technique in which cardiovenous blood is drained to the outside of the body by a series of special artificial devices, and is returned to the arterial system in the body after gas exchange, temperature regulation and filtration by an artificial method. In the process of extracorporeal circulation, the artificial device replaces the function of the human body, so the cardiopulmonary bypass is called, and the extracorporeal circulation machine is also called as an artificial heart-lung machine. The purpose of extracorporeal circulation is to maintain the blood supply to the tissues and organs of the whole body while performing open-heart surgery. With the development of clinical medicine, the application range of extracorporeal circulation is expanding, and the extracorporeal circulation is not only applied to large vessel surgeries of heart, liver, kidney, lung and the like, but also has remarkable performances in the aspects of life support of patients with tumor treatment and cardiopulmonary failure, and becomes an important technology of clinical medicine.
The pipeline of the existing double-pipeline extracorporeal circulation equipment is welded, so that the valve needs to be switched ceaselessly during replacement, and time and labor are wasted.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a double-pipeline switching type extracorporeal circulation device.
(II) technical scheme
The invention provides the following technical scheme: a double-pipeline switching type extracorporeal circulation device comprises a base, wherein the base is a rectangular block, a T-shaped groove is formed in the upper wall surface of the base, the T-shaped groove penetrates through the left side wall surface and the right side wall surface of the base, two connecting pipes are arranged above the base, a T-shaped block is arranged on the lower wall surface of each connecting pipe, an arc-shaped groove is formed in the upper wall surface of the T-shaped block, the arc-shaped grooves penetrate through the front side wall surface and the rear side wall surface of the T-shaped block, the bottom inner wall of each arc-shaped groove is fixedly connected with the bottom inner wall of each connecting pipe, the T-shaped block is matched with the T-shaped groove, the T-shaped block is movably connected with the T-shaped groove, the T-shaped block can slide left and right in the T-shaped groove, sleeves are arranged at the front ends and the rear ends of the connecting pipes, the inner wall of the sleeve pipe is fixedly connected with a pipeline, the pipeline is communicated with external equipment, the upper wall surface of the base is fixedly provided with a fixing ring, the fixing ring is a circular ring-shaped block, a straight pipe is fixedly arranged inside the fixing ring, the inner wall of the straight pipe is provided with an internal thread, the outer wall of the sleeve pipe is provided with an external thread at the front end, the sleeve pipe at the front end is in threaded connection with the straight pipe, when the sleeve pipe needs to be replaced, the sleeve pipe is rotatably connected to the straight pipe and then gradually withdraws from the inside of the straight pipe, then the sleeve pipe moves backwards on the connecting pipe, then the connecting pipe connected with the straight pipe slides to one side far away from the straight pipe, then the other connecting pipe slides to enable the other connecting pipe to move to the position aligned with the straight pipe, and then the sleeve pipe rotates to enable, then the sleeve pipe moves to the inside of the straight pipe, and is connected with the straight pipe through screw threads, so as to achieve the purpose of replacing the pipe, a vertical groove is arranged on the upper wall surface of the straight pipe, the vertical groove is a rectangular groove and is communicated with the inside of the straight pipe, connecting grooves are respectively arranged on the front inner wall and the rear inner wall of the vertical groove, the connecting grooves are rectangular grooves, the width of the connecting grooves is the same as that of the inner walls of the vertical groove, a movable plate capable of sliding forwards and backwards is movably arranged in the vertical groove, the movable plate is a rectangular block, the left side wall surface and the right side wall surface of the movable plate are respectively attached to the left side wall and the right side wall surface of the vertical groove, the front movable plate extends forwards from the connecting groove in the front direction, one sixth of the movable plate is positioned in the connecting grooves, a vertical block is fixedly arranged on the upper wall, and the vertical block extends upwards to the upper part of the straight pipe, a circular groove is formed in the front wall surface of the vertical block, and a bearing is fixedly arranged in the circular groove of the vertical block.
Preferably, the bearing is current structure, does not do here and give unnecessary details, fixed mounting has the rectangular block on the upside wall of straight tube, the rectangular block corresponds around with the upright block, set up the screw hole that has run through the two side wall surfaces around the rectangular block on the rectangular block.
Preferably, the threaded hole is internally and threadedly connected with a threaded column, the threaded column extends all the way to the rear, and the threaded column is fixedly connected with the inner shaft of the bearing.
Preferably, the movable plate is located on the lower wall surface of the vertical groove area and is fixedly provided with a connecting block, the connecting block is arc-shaped, the bottom wall surface of the connecting block is flush with the inner wall of the straight pipe, and a ball is fixedly arranged on the lower wall surface of the connecting block.
Preferably, the inner wall in front of the straight pipe is fixedly provided with a convex block, the rear end of the convex block is in an inwards concave arc shape, and the rear end of the convex block is matched with the spherical ball in the radial direction.
(III) advantageous effects
Compared with the prior art, the invention provides a double-pipeline switching type extracorporeal circulation device, which has the following beneficial effects:
1. this two pipeline switch formula extrinsic cycle device, swivelling joint is the sleeve pipe on the straight tube, then the sleeve pipe withdraws from the inside of straight tube gradually, then the sleeve pipe moves backward on the connecting pipe, then the connecting pipe that will connect the straight tube slides to one side of keeping away from the straight tube, then another connecting pipe slides, make another connecting pipe move the position of aliging with the straight tube, then swivel sleeve pipe, make the sleeve pipe move forward on the connecting pipe that corresponds with the straight tube, then the sleeve pipe moves the inside of straight tube, together with straight tube threaded connection, play the purpose of changing the pipe, such setting, conveniently change the pipeline, convenient switching, avoided current two pipeline extrinsic cycle equipment because its pipeline is welded, so leaded to when changing, switching valve that need not stop, waste time and energy.
2. This two pipeline switch formula extracorporeal circulation device, when needs are changed, swivelling joint is the sleeve pipe on the straight tube, then the sleeve pipe withdraws from the inside of straight tube gradually, then the sleeve pipe moves backward on the connecting pipe, and such setting is convenient closed with the straight tube, has made things convenient for subsequent operation.
3. This two pipeline switch formula extracorporeal circulation device, both ends all are provided with the sleeve pipe around the connecting pipe, have seted up the internal thread on the sheathed tube inner wall, have seted up the external screw thread on the outer wall of connecting pipe, and the connecting pipe is in the same place with sleeve pipe threaded connection, has seted up the external screw thread on the sheathed tube outer wall, and the sleeve pipe and the straight tube threaded connection of front end are in the same place, and this device all adopts threaded mode to connect, easy to assemble, and the maintenance and the change in the later stage of being convenient for.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of the connection tube and the sleeve tube;
FIG. 3 is a schematic cross-sectional view of a straight tube;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
In the figure: the device comprises a base 1, a fixing ring 2, a T-shaped groove 3, a T-shaped block 4, an arc-shaped groove 5, a connecting pipe 6, a sleeve 7, a pipeline 8, a straight pipe 9, a vertical groove 10, a vertical block 11, a bearing 12, a rectangular block 13, a threaded hole 14, a threaded column 15, a convex block 16, a movable plate 17, a connecting groove 18, a connecting block 19 and a round ball 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a double-pipeline switching extracorporeal circulation device comprises a base 1, wherein the base 1 is a rectangular block, a T-shaped groove 3 is formed in the upper wall surface of the base 1, the T-shaped groove 3 penetrates through the left and right side wall surfaces of the base 1, two connecting pipes 6 are arranged above the base 1, a T-shaped block 4 is arranged on the lower wall surface of each connecting pipe 6, an arc-shaped groove 5 is formed in the upper wall surface of each T-shaped block 4, the arc-shaped grooves 5 penetrate through the front and rear side wall surfaces of each T-shaped block 4, the bottom inner wall of each arc-shaped groove 5 is fixedly connected with the bottom inner wall of each connecting pipe 6, the T-shaped blocks 4 are matched with the T-shaped grooves 3, the T-shaped blocks 4 are movably connected with the T-shaped grooves 3, the T-shaped blocks 4 can slide left and right inside the T-shaped grooves 3, sleeves, an internal thread is formed on the inner wall of the sleeve 7, an external thread is formed on the outer wall of the connecting pipe 6, the connecting pipe 6 is in threaded connection with the sleeve 7, a pipeline 8 is fixedly connected to the inner wall of the sleeve 7 at the rear part, the pipeline 8 is communicated with external equipment, a fixing ring 2 is fixedly mounted on the upper wall surface of the base 1, the fixing ring 2 is a circular ring-shaped block, a straight pipe 9 is fixedly mounted inside the fixing ring 2, an internal thread is formed on the inner wall of the straight pipe 9, an external thread is formed on the outer wall of the sleeve 7 at the front end, the sleeve 7 at the front end is in threaded connection with the straight pipe 9, when the change is needed, the sleeve 7 connected to the straight pipe 9 in a rotating mode is withdrawn from the inside of the straight pipe 9, then the sleeve 7 moves backwards on the connecting pipe 6, and then the connecting pipe 6 connected to the straight, then another connecting pipe 6 is slid to enable another connecting pipe 6 to move to a position aligned with a straight pipe 9, then a sleeve 7 is rotated to enable the sleeve 7 to move forwards on the connecting pipe 6 corresponding to the straight pipe 9, then the sleeve 7 moves into the straight pipe 9 and is in threaded connection with the straight pipe 9, the purpose of replacing the pipe is achieved, a vertical groove 10 is formed in the upper wall face of the straight pipe 9, the vertical groove 10 is a rectangular groove, the vertical groove 10 is communicated with the inside of the straight pipe 9, connecting grooves 8 are respectively formed in the front inner wall and the rear inner wall of the vertical groove 10, the connecting grooves 8 are rectangular grooves, the width of the connecting grooves 8 is the same as that of the inner walls of the vertical grooves 10, a movable plate 17 capable of sliding forwards and backwards is movably mounted inside the vertical groove 10, the movable plate 17 is a rectangular block, and the left side wall face and the right side wall face of the movable plate 17 are respectively, a front movable plate 17 extends forwards from a connecting groove 18 at the rear to the inside of the connecting groove 18 at the front, one sixth of the movable plate 17 is positioned inside the connecting groove 18, a vertical block 11 is fixedly installed on the wall surface of the movable plate 17 positioned above the vertical groove 10 region, the vertical block 11 is a rectangular block, the vertical block 11 extends upwards to the upper side of the straight pipe 9, a circular groove is formed on the wall surface at the front of the vertical block 11, a bearing 12 is fixedly installed in the circular groove of the vertical block 11, the bearing 12 is of an existing structure, details are not repeated, a rectangular block 13 is fixedly installed on the upper side wall surface of the straight pipe 9, the rectangular block 13 corresponds to the vertical block 11 in the front and back direction, threaded holes 14 penetrating through the front side wall surface and the back side wall surface of the rectangular block 13 are formed in the rectangular block 13, threaded posts 15 are connected to the internal threads of the threaded holes 14, and the threaded posts 15, and the threaded column 15 is fixedly connected with the inner shaft of the bearing 12, the movable plate 17 is positioned on the lower wall surface of the vertical groove 10 region and is fixedly provided with a connecting block 19, the connecting block 19 is arc-shaped, the bottom wall surface of the connecting block 19 is flush with the inner wall of the straight pipe 9, the lower wall surface of the connecting block 19 is fixedly provided with a round ball 20, the inner wall in the front of the straight pipe 9 is fixedly provided with a convex block 16, the rear end of the convex block 16 is concave arc-shaped, and the rear end of the convex block 16 is matched with the round ball 20.
When in use, the utility model is used,
the first step is as follows: the straight pipe 9 is closed, the threaded column 15 is firstly rotated, then the threaded column 15 moves forwards, then the movable plate 17 is driven to move forwards, then the round ball 20 is driven to move forwards, and then the round ball 20 is attached to the arc-shaped inner wall of the rear end of the protruding block 20 to block the protruding block, so that the effect of closing the straight pipe 9 is achieved.
The second step is that: when the pipe needs to be replaced, the sleeve 7 connected to the straight pipe 9 is rotated, then the sleeve 7 gradually withdraws from the inside of the straight pipe 9, then the sleeve 7 moves backwards on the connecting pipe 6, then the connecting pipe 6 connected with the straight pipe 9 slides to one side far away from the straight pipe 9, then the other connecting pipe 6 slides, so that the other connecting pipe 6 moves to the position aligned with the straight pipe 9, then the sleeve 7 is rotated, so that the sleeve 7 moves forwards on the connecting pipe 6 corresponding to the straight pipe 9, then the sleeve 7 moves to the inside of the straight pipe 9 and is in threaded connection with the straight pipe 9, and the purpose of replacing the pipe is achieved.
The third step: the straight pipe 9 is opened, the threaded column 15 is firstly rotated, then the threaded column 15 moves backwards, then the movable plate 17 is driven to move backwards, then the round ball 20 is far away from the arc-shaped inner wall of the rear end of the protruding block 20, and then the straight pipe 9 is opened.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a two pipeline switch formula extracorporeal circulation device, includes base (1), its characterized in that: the improved structure of the water-cooled water heater is characterized in that two connecting pipes (6) are arranged above the base (1), sleeves (7) are arranged at the front end and the rear end of each connecting pipe (6), a pipeline (8) is fixedly connected to the inner wall of each sleeve (7) at the rear end, a fixing ring (2) is fixedly arranged on the upper wall of the base (1), a straight pipe (9) is fixedly arranged inside the fixing ring (2), a vertical groove (10) is formed in the upper wall of the straight pipe (9), connecting grooves (8) are formed in the front inner wall and the rear inner wall of the vertical groove (10) respectively, a movable plate (17) capable of sliding back and forth is movably arranged inside the vertical groove (10), a vertical block (11) is fixedly arranged on the upper wall of the movable plate (17) located in the vertical groove (10) region, a circular groove is formed in the front wall of the vertical block (11), and a bearing, fixed mounting has rectangular block (13) on the upside wall of straight tube (9), set up screw hole (14) that have run through rectangular block (13) front and back both sides wall face on rectangular block (13), the internal thread of screw hole (14) is connected with screw thread post (15), and screw thread post (15) and bearing (12) interior axle fixed connection together, fixed mounting has connecting block (19) on being located the below wall of erecting groove (10) region fly leaf (17), fixed mounting has ball (20) on the below wall of connecting block (19), fixed mounting has protruding piece (16) on the place ahead inner wall of straight tube (9).
2. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the base (1) is a rectangular block, a T-shaped groove (3) is formed in the upper wall surface of the base (1), and the T-shaped groove (3) penetrates through the left side wall surface and the right side wall surface of the base (1).
3. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the wall surface of the lower portion of the connecting pipe (6) is provided with a T-shaped block (4), an arc-shaped groove (5) is formed in the wall surface of the upper portion of the T-shaped block (4), the arc-shaped groove (5) penetrates through the front side wall surface and the rear side wall surface of the T-shaped block (4), and the inner wall of the bottom of the arc-shaped groove (5) is fixedly connected with the inner wall of the bottom of the connecting pipe (6).
4. The dual-conduit switched extracorporeal circulation device of claim 3, wherein: the T-shaped block (4) is matched with the T-shaped groove (3), and the T-shaped block (4) is movably connected with the T-shaped groove (3).
5. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the inner wall of the sleeve (7) is provided with an internal thread, the outer wall of the connecting pipe (6) is provided with an external thread, and the connecting pipe (6) is in threaded connection with the sleeve (7).
6. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the inner wall of the straight pipe (9) is provided with internal threads, the outer wall of the sleeve (7) at the front end is provided with external threads, and the sleeve (7) at the front end is in threaded connection with the straight pipe (9).
7. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the vertical groove (10) is a rectangular groove, the vertical groove (10) is communicated with the inside of the straight pipe (9), and the movable plate (17) is a rectangular block;
the left and right sides wall face of fly leaf (17) respectively with erect the left and right sides inner wall laminating in groove (10), inside preceding fly leaf (17) extended to the spread groove (18) in the place ahead forward from spread groove (18) at rear, fly leaf (17) have the inside that the sixth is located spread groove (18).
8. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the connecting groove (8) is a rectangular groove, the width of the connecting groove (8) is the same as that of the inner wall of the vertical groove (10), the vertical block (11) is a rectangular block, and the vertical block (11) extends up to the upper part of the straight pipe (9).
9. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the rectangular block (13) corresponds to the vertical block (11) in the front and back direction, the connecting block (19) is arc-shaped, and the bottom wall surface of the connecting block (19) is flush with the inner wall of the straight pipe (9).
10. The dual-conduit switched extracorporeal circulation device of claim 1, wherein: the rear end of the convex block (16) is in an inwards concave arc shape, and the rear end of the convex block (16) is matched with the round ball (20) in the direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272509.0A CN110917426B (en) | 2019-12-12 | 2019-12-12 | Double-pipeline switching type extracorporeal circulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272509.0A CN110917426B (en) | 2019-12-12 | 2019-12-12 | Double-pipeline switching type extracorporeal circulation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110917426A true CN110917426A (en) | 2020-03-27 |
| CN110917426B CN110917426B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911272509.0A Expired - Fee Related CN110917426B (en) | 2019-12-12 | 2019-12-12 | Double-pipeline switching type extracorporeal circulation device |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4516971A (en) * | 1982-07-06 | 1985-05-14 | Spencer Dudley W C | Sterile docking process, apparatus and system |
| US5324274A (en) * | 1992-03-30 | 1994-06-28 | Med-Pro Design, Inc. | Catheter having rotary valves |
| US5527299A (en) * | 1994-05-13 | 1996-06-18 | Critical Disposables, Inc. | One-piece rotator and manifold system |
| US6626884B1 (en) * | 1998-10-26 | 2003-09-30 | Noble House Group Pty. Ltd. | Sampling in blood collection |
| WO2005068011A1 (en) * | 2004-01-13 | 2005-07-28 | Cell Center Cologne Gmbh | An apparatus and a method for controlling a fluid of extracorporeal circulation systems |
| US20070287966A1 (en) * | 2006-06-09 | 2007-12-13 | Baxter International Inc. | Fail safe dual chamber peritoneal dialysis/infusion system |
| US20090127288A1 (en) * | 2005-06-29 | 2009-05-21 | Medmix Systems Ag | Method and Device for Venting and Eliminating Unwanted Material of a Dispensing Appliance |
| CN104053463A (en) * | 2012-01-16 | 2014-09-17 | N·格兰多尔福 | Outer end fittings for permanent conduits suitable for isolating fluid flow |
| US20190022370A1 (en) * | 2016-03-24 | 2019-01-24 | Terumo Kabushiki Kaisha | Catheter, switching device, and method for operating catheter |
-
2019
- 2019-12-12 CN CN201911272509.0A patent/CN110917426B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4516971A (en) * | 1982-07-06 | 1985-05-14 | Spencer Dudley W C | Sterile docking process, apparatus and system |
| US5324274A (en) * | 1992-03-30 | 1994-06-28 | Med-Pro Design, Inc. | Catheter having rotary valves |
| US5527299A (en) * | 1994-05-13 | 1996-06-18 | Critical Disposables, Inc. | One-piece rotator and manifold system |
| US6626884B1 (en) * | 1998-10-26 | 2003-09-30 | Noble House Group Pty. Ltd. | Sampling in blood collection |
| WO2005068011A1 (en) * | 2004-01-13 | 2005-07-28 | Cell Center Cologne Gmbh | An apparatus and a method for controlling a fluid of extracorporeal circulation systems |
| US20090127288A1 (en) * | 2005-06-29 | 2009-05-21 | Medmix Systems Ag | Method and Device for Venting and Eliminating Unwanted Material of a Dispensing Appliance |
| US20070287966A1 (en) * | 2006-06-09 | 2007-12-13 | Baxter International Inc. | Fail safe dual chamber peritoneal dialysis/infusion system |
| CN104053463A (en) * | 2012-01-16 | 2014-09-17 | N·格兰多尔福 | Outer end fittings for permanent conduits suitable for isolating fluid flow |
| US20190022370A1 (en) * | 2016-03-24 | 2019-01-24 | Terumo Kabushiki Kaisha | Catheter, switching device, and method for operating catheter |
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| CN110917426B (en) | 2022-05-03 |
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