WO2018228608A2 - 密闭式透析粉容器 - Google Patents
密闭式透析粉容器 Download PDFInfo
- Publication number
- WO2018228608A2 WO2018228608A2 PCT/CN2018/099449 CN2018099449W WO2018228608A2 WO 2018228608 A2 WO2018228608 A2 WO 2018228608A2 CN 2018099449 W CN2018099449 W CN 2018099449W WO 2018228608 A2 WO2018228608 A2 WO 2018228608A2
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- WO
- WIPO (PCT)
- Prior art keywords
- folding
- sealed
- dialysis powder
- dialysis
- powder container
- Prior art date
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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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
Definitions
- the invention relates to the field of medical hemodialysis articles, in particular to a closed dialysis powder container.
- the dialysis machine needs to inhale the A concentrate and the B concentrate, and mix it with the dialysis water in a certain proportion in the dialysis machine.
- the ratio between the dialysis concentrate and the dialyzed water is 1:32. That is, 1 part of A or B powder is mixed with 32 parts of dialysis water to form a dialysate which is close to the electrolyte component in normal human blood for dialysis treatment of the patient.
- the disadvantage of the concentrate is that it is bulky, difficult to transport and store, especially in the high temperature environment and the length of the transportation, the electrolyte component of the concentrate is easily decomposed and contaminated by bacteria.
- the dialysis dry powder needs to be configured into a concentrated liquid with dialysis water before dialysis, and is introduced into an open mixing tank for on-site mixing during the configuration process. After completion, it is also required to be dispensed in a clean and sterile plastic bucket. Transfer to the side of the dialysis machine for use. Since the whole process is not carried out in a clean and closed aseptic environment, it is difficult to maintain the sterility during the operation process, so it is easy to cause secondary bacteria pollution and affect the quality of dialysis.
- the technical problem to be solved by the present invention is to provide a closed dialysis powder container, which is convenient for transportation and avoids bacterial contamination.
- an embodiment of the present invention provides a sealed dialysis powder container, comprising a sealed folding bucket and a magnetic stirring rod, wherein the folding barrel has a sealed cavity, and the sealed cavity is provided with dialysis.
- a powder filling port provided with a water injection port capable of injecting water into the sealed cavity; the magnetic stirring rod is rotatably disposed in the sealed cavity.
- the closed dialysis powder container further comprises a filter cover, the filter cover is provided with a plurality of filter holes, the filter cover is disposed at the bottom of the sealed cavity, and the dialysis powder is located at the filter cover outer.
- the magnetic stirring rod is located in the filter cover.
- the filter cover is further provided with a capture hole, and the size of the capture hole is larger than the size of the filter hole.
- the magnetic stirring rod is located outside the filter cover, the magnetic stirring rod is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the filter cover; the rotating shaft extends into the filter cover, the rotating shaft A blade is fixed to an end of the upper filter cover.
- the folding bucket comprises a folding cover and a hard base, and the folding cover is connected at the top of the hard base, and the diameter of the bottom to the top of the hard base gradually becomes larger.
- the hard base is an inverted truncated cone shape or a hemispherical shape.
- the bottom of the rigid base is provided with an opening, and the opening is screwed with a bottom sealing cover.
- the folding bucket further comprises a support sleeve, the support sleeve is sleeved outside the rigid base, and the support sleeve is vertically movable relative to the rigid base; when the folding When the cover is erected, the support sleeve is moved upward to a higher position, and the support sleeve is supported on the outside of the folding cover.
- the top of the folding bucket is further provided with an exhaust port, and the exhaust port is provided with a one-way gas permeable structure only for the gas in the folding bucket to flow out.
- the sealed dialysis powder container provided by the invention can fold and unfold the folding barrel, and the dialysis powder is accommodated in the sealing cavity.
- the folding barrel When the packaging is transported, the folding barrel is in a folded state, so that the entire closed dialysis powder container is small in size and convenient for packaging.
- Transportation reduce transportation cost; through the water injection port, dialysis water can be input into the folding bucket, the folding bucket is unfolded with the injection of dialysis water, and the magnetic stirring rod in the sealed cavity is rotated by the magnetic stirrer to stir the dialysis powder and the dialysis water.
- Uniform the whole mixing process is carried out in the sealed state of the sealed cavity, which will not cause secondary pollution of bacteria, and ensure the safety and reliability of dialysis treatment.
- FIG. 1 is a cross-sectional view showing the structure of a sealed dialysis powder container according to a first embodiment of the present invention
- FIG. 2 is a schematic view showing the structure of the filter cover of the sealed dialysis powder container of Figure 1;
- Figure 3 is a cross-sectional view showing the structure of a sealed dialysis powder container according to a second embodiment of the present invention.
- FIG 4 is a schematic structural view of the filter cover of the closed dialysis powder container of Figure 3;
- FIG. 5 is a schematic structural view of a filter cover according to another embodiment of the present invention.
- a sealed dialysis powder container according to a first embodiment of the present invention comprises a folding bucket 1 and a magnetic stirring rod 2.
- the folding barrel 1 has a sealed cavity 10 therein, and the sealing cavity 10 is provided with dialysis powder.
- the folding bucket 1 is provided with a water injection port 101 capable of injecting water into the sealing cavity 10.
- the magnetic stir bar 2 is rotatably disposed within the sealed cavity 10.
- the folding bucket 1 can be folded and unfolded, and the dialysis powder is accommodated in the sealing cavity 10.
- the folding bucket 1 When the packaging is transported, the folding bucket 1 is in a folded state, so that the entire closed dialysis powder container is small in volume, convenient for packaging and transportation, and low in transportation cost.
- the dialysis water can be input into the folding bucket 1 through the water injection port 101, and the folding bucket 1 is deployed along with the injection of the dialysis water, and the magnetic stirring rod 2 in the sealing cavity 10 is rotated by the magnetic stirrer to stir the dialysis powder and the dialysis water.
- Uniform the whole mixing process is carried out in the sealed state of the sealed cavity 10, which does not cause secondary pollution of bacteria, and ensures the safety and reliability of the dialysis treatment.
- the folding bucket 1 includes a folding cover 11 and a rigid base 12 that is attached to the top of the rigid base 12.
- the sealing cavity 10 is formed between the folding cover 11 and the rigid base 12.
- the inner cavity of the rigid base 12 is mainly used for accommodating dialysis powder and agitation, and the folding cover 11 is a foldable cover.
- the upper portion of the rigid base 12, which is folded and unfolded, can change the size of the internal space, so that the volume of the sealed cavity 10 can be increased when water is injected, and can be folded during transportation so that the overall volume of the folding tub 1 is small.
- the diameter of the bottom to the top of the hard base 12 gradually becomes larger. With the shape of the hard base 12, the dialysis powder can be concentrated at the bottom of the sealed cavity 10, facilitating the stirring by the magnetic stir bar 2.
- the rigid base 12 may be hemispherical in order to form a vortex in the sealed cavity 10 during agitation to facilitate dissolution of the dialysis powder.
- the rigid base 12 may also be in the shape of an inverted truncated cone or other shapes that are smaller in size.
- the bottom of the rigid base 12 is provided with an opening, and the opening is screwed with a bottom sealing cover 13.
- the bottom sealing cover 13 can conveniently fit the dialysis powder into the sealing cavity 10, and the internal magnetic stirring can be conveniently recovered after the dialysate is used. Stick 2 is good for reuse.
- the smoothness of the hemispherical rigid base 12 after being placed on a table or work surface can be ensured.
- the folding cover 11 can be a medical PE plastic bag, and the rigid base 12 can also be a PE plastic container.
- the folding bucket 1 further includes a support sleeve 14 that is sleeved outside the rigid base 12, and the support sleeve 14 is vertically movable relative to the rigid base 12; when the folding cover 11 is propped up, the support sleeve The cartridge 14 is moved upward to a higher position, and the support sleeve 14 is supported outside the folding cover 11.
- the structural strength of the folding cover 11 itself is insufficient, it is easy to fall after the water is injected, and the support sleeve 14 can be supported on the outer side of the folding cover 11 to prevent the folding cover 11 from falling over.
- the folding cover 11 has sufficient strength after being erected, it is not necessary to provide the support sleeve 14.
- the support sleeve 14 can be slidably coupled to the rigid base 12 in a vertical direction.
- a fastening structure such as a pin, a fixing pin, or the like can be disposed between the support sleeve 14 and the rigid base 12, and the support sleeve 14 can be slid upward.
- the support sleeve 14 is secured to the rigid base 12 by a fastening structure to secure the support sleeve 14 at the top of the rigid base 12 to facilitate support of the fold cover 11.
- the support sleeve 14 can also be screwed to the rigid base 12, and the support sleeve 14 can be rotated to move the support sleeve 14 upward relative to the rigid base 12; or, the support sleeve 14
- the top of the folding cover 11 is fixedly connected to the top of the folding cover 11. When the water is injected, the folding cover 11 is gradually unfolded, and the folding cover 11 is used to drive the supporting sleeve 14 to move upward.
- the top of the folding bucket 1 is further provided with an exhaust port 102, and a venting structure for allowing the gas in the folding tub 1 to flow out is disposed in the exhaust port 102.
- the exhaust port 102 is disposed outside the top of the folding cover 11.
- the water injection port 101 is disposed outside the folding cover 11 to facilitate water injection into the sealing cavity 10.
- the water injection port 101 can also be disposed on the rigid base 12.
- a water conduit may be disposed in the sealing cavity 10, one end of the water conduit is connected to the water injection port 101, and the other end extends to the bottom of the sealing cavity 10, so that the dialysis water flows directly to the dialysis powder, and the other end of the water conduit is sealed along the seal.
- the circumferential arrangement of the cavity 10 allows the use of water flow forces to create eddies in the sealed cavity 10 to facilitate dissolution of the dialysis powder.
- the water injection port 101 may also be disposed on the base 12.
- the water injection port 101 is kept sealed during transportation, and a seal is maintained between the water injection pipe and the water injection pipe to prevent contamination by bacteria.
- the water injection port 101 is provided with a sealing structure, and the sealing structure may be a sealing cover or a sealing plug, and the sealing cover or the sealing plug is taken off for water injection when water is injected.
- the sealing structure may also be a sealing film. When the dialysis water is injected, the sealing film is pierced by the water injection pipe; the sealing structure may also be a combination of the sealing cover and the sealing film, or a combination of the sealing plug and the sealing film.
- the closed dialysis powder container further includes a filter cover 3, as shown in FIG. 2, the filter cover 3 is provided with a plurality of filter holes 30, the filter cover 3 is disposed at the bottom of the sealed cavity 10, and the dialysis powder is located outside the filter cover 3.
- the dialysis powder is placed outside the filter cover 3 to prevent the dialysis powder from being embedded to prevent the magnetic stir bar 2 from rotating.
- the filter cover 3 is entirely disk-shaped, and a plurality of filter holes 30 are arranged thereon.
- the magnetic stir bar 2 is located in the filter cover 3 and is isolated from the dialysis powder to prevent the dialysis powder from interfering with the rotation of the magnetic stir bar 2.
- a dialysis powder is disposed in the closed dialysis powder container. Since the A dialysis powder is composed of an electrolyte component which is easily soluble in water, the magnetic stirring rod 2 is directly rotated to generate a vortex outside the filter cover 3 to stir the A dialysis powder. .
- the folding barrel 1 and the magnetic stirring rod 2 are included in the sealed dialysis powder container provided by the second embodiment of the present invention.
- the folding barrel 1 has a sealed cavity 10 therein, and the sealing cavity 10 is provided with dialysis powder.
- the folding bucket 1 is provided with a water injection port 101 capable of injecting water into the sealing cavity 10.
- the magnetic stir bar 2 is rotatably disposed within the sealed cavity 10.
- the shape of the folding tub 1 can be the same as that of the first embodiment, and details are not described herein again.
- the closed dialysis powder container further includes a filter cover 3 disposed at the bottom of the sealed cavity 10, and the dialysis powder is located outside the filter cover 3.
- the filter cover 3 is provided with a plurality of filter holes 30, and the filter cover 3 is provided with a catching hole 32, and the size of the catching hole 32 is larger than the size of the filter hole 30.
- the structure is suitable for stirring the B dialysis powder. Since the B dialysis powder is composed of sodium bicarbonate which is not easily dissolved, the capture hole 32 can capture the sodium carbonate which is not dissolved in the dialysis water, and the sodium carbonate which is not dissolved in the dialysis water can pass through the larger diameter. The trapping hole 32 slides down into the filter cover 3 for agitation, is broken and then dissolved in the dialysis water and then enters the space above the sealed cavity 10.
- the periphery of the plurality of filter sheets 31 may be connected to a fixing ring 33, and the fixing ring 33 may be fixedly connected to the inner wall of the folding tub 1, or the periphery of the filter sheet 31 may be directly connected to the inner wall of the folding tub 1.
- the magnetic stirring rod 2 is located outside the filter cover 3.
- the magnetic stirring rod 2 is fixedly connected to a rotating shaft 21, and the rotating shaft 21 is rotatably connected to the filter cover 3, and is connected to the filter cover 3 through the rotating shaft 21 to ensure the magnetic stirring rod. 2
- the stability of rotation reduces the influence of dialysis powder embedding on the rotation of the magnetic stir bar 2.
- the rotating shaft 21 extends into the filter cover 3, and the end portion of the rotating shaft 21 located inside the filter cover 3 is fixed with a blade 22.
- the magnetic stirring rod 2 can be used to stir the liquid.
- the rotating shaft 21 and the blade 22 can be rotated, and the fan blade 22 can break the dialysis powder inside the filter cover 3, and the blade 22 can form a suction force.
- the vortex is sucked into the filter cover 3 by the insufficiently dissolved dialysis powder to be pulverized and stirred.
- the stirring force can be increased, so that the B dialysis powder is sufficiently dissolved in the dialysate.
- the number of blades 22 on the rotating shaft 21 may be two or more.
- the magnetic stir bar 2 may be formed in a blade 22 shape and incorporated in the inside of the filter cover 3.
- the structure of the magnetic stir bar 2, the rotating shaft 21, and the blade 22 in the second embodiment can also be applied to the first embodiment.
- the filter cover 3 has a disk shape, and a filter hole and a trap hole are simultaneously formed in the filter cover 3, and the number of the capture holes is at least one or two or more.
- the filter cover 3 includes a plurality of filter sheets 31, and the plurality of filter sheets 31 are all fan-shaped, and the centers of the plurality of filter sheets 31 are fixedly connected, peripherally and folded.
- the barrels 1 are connected to each other; a plurality of filter holes 30 are disposed in each of the filter sheets 31, and a trap hole 32 is formed between the adjacent two filter sheets 31, and the size of the trap holes 32 is made larger than the size of the filter holes 30.
- the folding tub 1 is connected by a fixed-shaped rigid base 12 and a foldable folding cover 11.
- the folding bucket 1 is integrally foldable to further reduce volume.
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Abstract
Description
Claims (10)
- 一种密闭式透析粉容器,其特征在于,包括密封的折叠桶及磁性搅拌棒,所述折叠桶内具有一密封腔体,所述密封腔体内设置有透析粉;所述折叠桶上设置有能够向密封腔体内注水的注水口;所述磁性搅拌棒可转动地设置在所述密封腔体内。
- 根据权利要求1所述的密闭式透析粉容器,其特征在于,所述密闭式透析粉容器还包括过滤罩,所述过滤罩上设置有多个过滤孔,所述过滤罩设置在所述密封腔体内的底部处,所述透析粉位于所述过滤罩外。
- 根据权利要求2所述的密闭式透析粉容器,其特征在于,所述磁性搅拌棒位于所述过滤罩内。
- 根据权利要求2所述的密闭式透析粉容器,其特征在于,所述过滤罩上还设置有捕捉洞,所述捕捉洞的尺寸大于所述过滤孔的尺寸。
- 根据权利要求4所述的密闭式透析粉容器,其特征在于,所述磁性搅拌棒位于所述过滤罩外,所述磁性搅拌棒固定连接于一转轴,所述转轴转动连接于所述过滤罩;所述转轴延伸至所述过滤罩内,所述转轴上位于所述过滤罩内的端部固定有扇叶。
- 根据权利要求1所述的密闭式透析粉容器,其特征在于,所述折叠桶包括折叠罩及硬质底座,所述折叠罩连接在所述硬质底座的顶部,所述硬质底座的底部至顶部的直径逐渐变大。
- 根据权利要求6所述的密闭式透析粉容器,其特征在于,所述硬质底座为倒锥台形或半球形。
- 根据权利要求6所述的密闭式透析粉容器,其特征在于,所述硬质底座的底部设置有开口,所述开口螺纹连接有底部密封盖。
- 根据权利要求6所述的密闭式透析粉容器,其特征在于,所述折叠桶还包括支撑套筒,所述支撑套筒套设在所述硬质底座外,且所述支撑套筒能够相对所述硬质底座在竖直向移动;当所述折叠罩撑起时,所述支撑套筒向上移动至较高位置处,所述支撑套筒支撑在所述折叠罩的外侧。
- 根据权利要求1所述的密闭式透析粉容器,其特征在于,所述折叠桶 的顶部还设置有排气口,所述排气口内设置有仅供所述折叠桶内气体流出的单向透气结构。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CN201710438690.2 | 2017-06-12 | ||
CN201720681133.9 | 2017-06-12 | ||
CN201710438690.2A CN107224623B (zh) | 2017-06-12 | 2017-06-12 | 密闭式透析粉容器 |
CN201720681133.9U CN207785565U (zh) | 2017-06-12 | 2017-06-12 | 密闭式透析粉容器 |
Publications (2)
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WO2018228608A2 true WO2018228608A2 (zh) | 2018-12-20 |
WO2018228608A3 WO2018228608A3 (zh) | 2019-02-07 |
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PCT/CN2018/099449 WO2018228608A2 (zh) | 2017-06-12 | 2018-08-08 | 密闭式透析粉容器 |
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Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3195636B2 (ja) * | 1992-03-19 | 2001-08-06 | ガンブロ株式会社 | 血液透析液用原液の調剤法及び血液透析液用原液調剤用ソフトバッグ |
US7153021B2 (en) * | 2003-03-28 | 2006-12-26 | Hyclone Laboratories, Inc. | Container systems for mixing fluids with a magnetic stir bar |
FR2921905B1 (fr) * | 2007-10-04 | 2012-09-28 | Sartorius Stedim Biotech | Recipient de traitement et/ou de controle de produits comprenant une chambre de protection de moyens de traitement et/ou de controle de ces produits, et conteneur comprenant un tel recipient |
JP5627782B2 (ja) * | 2010-07-30 | 2014-11-19 | イー・エム・デイー・ミリポア・コーポレイシヨン | 使い捨て渦防止装置 |
DE102011106248A1 (de) * | 2011-07-01 | 2013-01-03 | Fresenius Medical Care Deutschland Gmbh | Behälter, Verwendung, Dialysegerät oder Zubereitungseinheit sowie Verfahren zur Herstellung eines Konzentrats |
DE102012011250A1 (de) * | 2012-06-06 | 2013-12-24 | Fresenius Medical Care Deutschland Gmbh | Konzentratbehältnis mit Stützelementen |
DE102013108082A1 (de) * | 2013-07-29 | 2015-01-29 | B. Braun Avitum Ag | Vorrichtung zum Herstellen einer Lösung, inbesondere in/an einer Dialysemaschine |
CN106166312B (zh) * | 2016-08-30 | 2018-08-14 | 广东科学技术职业学院 | 小型a浓缩液供液装置及方法 |
CN107224623B (zh) * | 2017-06-12 | 2019-11-12 | 谢华南 | 密闭式透析粉容器 |
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