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WO2022236459A1 - Poche de drainage destinée à collecter un fluide déchet médical et kit médical correspondant - Google Patents

Poche de drainage destinée à collecter un fluide déchet médical et kit médical correspondant Download PDF

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Publication number
WO2022236459A1
WO2022236459A1 PCT/CN2021/092333 CN2021092333W WO2022236459A1 WO 2022236459 A1 WO2022236459 A1 WO 2022236459A1 CN 2021092333 W CN2021092333 W CN 2021092333W WO 2022236459 A1 WO2022236459 A1 WO 2022236459A1
Authority
WO
WIPO (PCT)
Prior art keywords
welding
drainage bag
peelable
bag body
bag
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.)
Ceased
Application number
PCT/CN2021/092333
Other languages
English (en)
Inventor
Gang Fu
Yufeng Wang
Yunqi Shi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fresenius Medical Care R&D Shanghai Co Ltd
Fresenius Medical Care Deutschland GmbH
Original Assignee
Fresenius Medical Care R&D Shanghai Co Ltd
Fresenius Medical Care Deutschland GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fresenius Medical Care R&D Shanghai Co Ltd, Fresenius Medical Care Deutschland GmbH filed Critical Fresenius Medical Care R&D Shanghai Co Ltd
Priority to PCT/CN2021/092333 priority Critical patent/WO2022236459A1/fr
Publication of WO2022236459A1 publication Critical patent/WO2022236459A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61M1/69—Drainage containers not being adapted for subjection to vacuum, e.g. bags
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10—Bag-type containers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1475—Inlet or outlet ports
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/202—Separating means
    • A61J1/2024—Separating means having peelable seals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2089—Containers or vials which are to be joined to each other in order to mix their contents
    • 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
    • A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • 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
    • A61M2209/00—Ancillary equipment
    • A61M2209/08—Supports for equipment
    • A61M2209/082—Mounting brackets, arm supports for equipment

Definitions

  • the disclosure relates to a drainage bag for collecting a medical waste fluid, especially for a dialysis treatment, and a corresponding medical kit.
  • a dialysis treatment is a procedure for removing toxic substances and metabolites normally removed by the kidneys, and for aiding in regulation of fluid and electrolyte balance.
  • the dialysis treatment may be carried out by various types of dialysis procedures, such as a hemodialysis and a peritoneal dialysis (PD) .
  • dialysis procedures such as a hemodialysis and a peritoneal dialysis (PD) .
  • PD peritoneal dialysis
  • CAPD continuous ambulatory peritoneal dialysis
  • APD automated peritoneal dialysis
  • a drainage bag is usually utilized to collect a PD effluent from a peritoneal cavity of a patient and then the drainage bag is emptied by commonly disposing of the PD effluent in the toilet.
  • the emptying is often executed by the following methods:
  • an object of the disclosure is to provide an improved drainage bag for collecting a medical waste fluid, especially for a dialysis treatment, and an improved medical kit.
  • a drainage bag for collecting a medical waste fluid for example a dialysis fluid
  • a medical waste fluid for example a dialysis fluid
  • a bag body configured to define an inner cavity for accommodating the medical waste fluid
  • an inlet port configured to be fluidly connected with the inner cavity to allow the medical waste fluid to flow into the inner cavity
  • a sealing structure formed on the bag body and configured to be directly and manually breakable so as to drain the medical waste fluid out of the inner cavity via the broken sealing structure.
  • the drainage bag is configured as a drainage bag for a peritoneal dialysis; and/or the sealing structure comprises a tearable structure; and/or the sealing structure comprises a peelable structure; and/or the sealing structure comprises a self-sealing opening structure; and/or the sealing structure comprises a thread pulling-opening seal which contains a thread or strip and can be broken by pulling the thread or strip.
  • the tearable structure is only formed at an edge of the bag body; and/or the peritoneal dialysis is a continuous ambulatory peritoneal dialysis or an automated peritoneal dialysis; and/or the tearable structure comprises a first welding structure; and/or the peelable structure comprises a second welding structure.
  • the first welding structure comprises at least one welding ring which defines a through hole or slit in a center thereof, which through hole or slit may be in any suitable shape; and/or the second welding structure comprises a peelable welding seam.
  • the at least one welding ring comprises a series of welding rings, preferably spaced from each other; and/or the peelable welding seam is configured as a continuous welding seam.
  • the welding ring is configured in a circular or oval shape; and/or at least one geometrical characteristic of the welding ring is selected to facilitate tearing of the sealing structure.
  • the at least one geometrical characteristic comprises a size and/or a shape of the welding ring and/or a distance of two adjacent welding rings.
  • the series of welding rings is at least partially disposed adjacent to an edge of the bag body at which the inlet port is disposed; or the series of welding rings is at least partially disposed along an edge, preferably a lateral edge, of the bag body; or the series of welding rings is at least partially disposed at a corner of the bag body.
  • the welding ring is incomplete at an edge of the bag body so that the through hole or slit of the welding ring extends to the edge of the bag body.
  • the peelable structure is disposed at a corner of the bag body; and/or a corner portion of the bag body outside of the peelable structure is configured as at least one peeling handle for facilitating the peeling of the peelable structure.
  • two opposite ends of the peelable structure extend to respective edges of the bag body; and/or the peelable structure is configured to be adapted to be folded along an inner edge of the peelable structure to protect the peelable structure before peeling the peelable structure.
  • the peeling handles are configured to be adapted to be folded along with the peelable structure, and/or the peeling handle has at least one bump on at least one surface of the peeling handle.
  • the drainage bag is provided with at least one hanging hole, preferably three hanging holes, for the drainage bag; and/or the medical waste fluid is a peritoneal dialysis effluent; and/or the sealing structure is configured in a linear or non-linear manner.
  • a medical kit particularly for a continuous ambulatory peritoneal dialysis, wherein the medical kit comprises the drainage bag as described above.
  • the medical kit is for a single-bag continuous ambulatory peritoneal dialysis system or a double-bag continuous ambulatory peritoneal dialysis system.
  • a draining opening can be formed in a relatively controllable manner.
  • Fig. 1 shows a double-bag continuous ambulatory peritoneal dialysis kit comprising a drainage bag according to an exemplary embodiment of the present invention, wherein a sealing structure of the drainage bag comprises a tearable structure.
  • Fig. 2 shows separately one welding ring with a through hole or slit according to an exemplary embodiment of the present disclosure in an enlarged view.
  • Fig. 3 shows a drainage bag according to another exemplary embodiment of the present disclosure, wherein a series of welding rings is disposed along a lateral edge of the bag body of the drainage bag.
  • Fig. 4 shows a drainage bag according to still another exemplary embodiment of the present disclosure, wherein the series of welding rings is disposed at one of two corners of the bag body adjacent to the inlet port of the drainage bag.
  • Fig. 5 shows a drainage bag according to an exemplary embodiment of the present disclosure, wherein the sealing structure of the drainage bag comprise a peelable structure.
  • Fig. 6 shows a folded status of the peelable structure of the sealing structure of the drainage bag as shown in Fig. 5.
  • the present disclosure relates to an improvement of a drainage bag for a dialysis treatment, especially a peritoneal dialysis treatment, for example a double-bag continuous ambulatory peritoneal dialysis treatment.
  • a double-bag CAPD kit 1 according to an exemplary embodiment of the present invention will be described with reference to Fig. 1.
  • the double-bag CAPD kit 1 may mainly comprise a connector 3 (here exemplarily in a form of a disc connector) , a drainage transfer tubing 4, a solution transfer tubing 5, a drainage bag 6, and a solution bag 7.
  • the connector 3 may have a first port 31, a second port 32 acting as a drainage port, and a third port 33 acting as a solution port.
  • the first port 31 may be configured to be connected with a catheter or catheter extension (not shown) from a patient to infuse a fresh dialysis solution into a peritoneal cavity of the patient for executing the peritoneal dialysis treatment or drain a PD effluent from the peritoneal cavity of the patient.
  • the second port 32 can be fluidly connected with the drainage bag 6 by the drainage transfer tubing 4, and the third port 33 can be fluidly connected with the solution bag 7 by the solution transfer tubing 5.
  • the drainage bag 6 will be described in details below in connection with some exemplary embodiments.
  • the drainage bag 6 may comprise: a bag body 61 configured to define an inner cavity for accommodating a dialysis fluid, for example the PD effluent; an inlet port 62 configured to be fluidly connected with the inner cavity to allow the dialysis fluid to flow into the inner cavity; and a sealing structure 63 formed on the bag body 61 and configured to be directly manually breakable so as to drain the dialysis fluid out of the inner cavity via the broken sealing structure 63.
  • the sealing structure 63 can be broken without any separate tools, such as scissors.
  • the sealing structure 63 may comprise a tearable structure 631, which allows to be torn by hand from a tearing starting point 632.
  • the tearable structure 631 may comprise a welding structure.
  • the welding structure may comprise at least one welding ring 633 which defines a through hole or slit 634 in a center thereof, with the through hole or slit being in any suitable shape.
  • Fig. 2 shows separately one welding ring 633 according to an exemplary embodiment of the present disclosure in an enlarged view.
  • the welding ring 633 here is configured in an oval shape and the through hole or slit 634 is configured in an elongated shape.
  • the through hole or slit 634 has a tapered cutout 6341 at each of two opposite ends thereof, which can facilitate tearing of the welding ring 633.
  • the welding ring 633 comprises a welding portion 6342 around the through hole or slit 634.
  • the tearing starting point 632 may be formed by an incomplete welding ring 633 (the left one in Fig. 1) so that the through hole or slit 634 extends to an edge of the drainage bag 6. In this case, a tearing operation can start from the tearing starting point 632.
  • the at least one welding ring may comprise a series of welding rings 633, preferably spaced from each other. This design can make sure both integrity of the drainage bag 6 (no leakage) before tearing, and easy-tearing along the series of holes or slits 634.
  • the welding ring 633 is configured in the oval shape, a skilled person in the art may understand that the present disclosure is not limited to this shape and instead the welding ring 633 may be configured in any suitable shapes, for example a circular shape or a rectangular shape.
  • At least one geometrical characteristic of the welding ring 633 may be selected to facilitate the tearing of the sealing structure, particularly such that a big hole can be formed for fast draining.
  • the at least one geometrical characteristic may comprise a size and/or a shape of the welding ring 633 and/or a distance of two adjacent welding rings 633. These geometrical characteristics can be optimized by experimentation and/or simulation.
  • the series of welding rings 633 may be at least partially disposed adjacent to an edge 64 of the bag body 61 at which the inlet port 62 is disposed, namely an upper edge as shown in Fig. 1.
  • all of the series of welding rings 633 may be disposed adjacent to the edge 64.
  • the series of welding rings 633 may be arranged in a linear manner, as shown in Fig. 1.
  • the series of welding rings 633 also may be arranged in other suitable manners, for example in a curved manner.
  • series of welding rings 633 also may be disposed at any suitable positions as long as the tearing thereof is facilitated and benefits emptying of the dialysis fluid from the inner cavity of the drainage bag 6.
  • a tearing opening is formed starting from the cutout 6341 of the through hole or slit 634 of the incomplete welding ring 633 adjacent to an edge of the bag body 6. Then the tearing is extended toward the next welding ring 633 across the welding portion 6342 of the incomplete welding ring 633 and then across a portion of the bag body 61 between the two adjacent welding ring 633. Similarly, the tearing opening will be extended toward the further next welding ring 633. As the portion of the bag body 61 between the two adjacent welding ring 633 is not welded, a series of successive draining holes can be formed finally to drain the PD effluent collectively.
  • a draining opening is formed by the series of successive draining holes.
  • a distance between two adjacent welding ring 633 may be selected to be greater than a size of the welding ring 633 in a tearing direction, so that the draining holes are relatively large so as to facilitate emptying of the PD effluent.
  • the tearing may be guided along the series of welding rings 633 and thus the draining opening can be formed in a relatively controllable manner.
  • the welding structure is not limited to a ring shape, but may be in any suitable shape.
  • Fig. 3 shows the drainage bag 6 according to another exemplary embodiment of the present disclosure, wherein the series of welding rings 633 may be at least partially disposed along an edge, preferably a lateral edge 65, of the bag body 61 in a linear or non-linear manner.
  • Fig. 4 shows the drainage bag 6 according to still another exemplary embodiment of the present disclosure, wherein the series of welding rings 633 may be at least partially disposed at a corner of the bag body 61, particularly at one of two corners of the bag body 61 adjacent to the inlet port 62. Similarly, the series of welding rings 633 also may be arranged in a linear or non-linear manner.
  • said sealing structure may comprise a peelable structure.
  • Fig. 5 shows the drainage bag 6 according to an exemplary embodiment of the present disclosure, wherein the sealing structure 63 comprises a peelable structure 635.
  • the peelable structure 635 may comprise a welding structure 636.
  • the welding structure 636 may be formed by a thermal bonding.
  • the welding structure 636 may comprise a peelable welding seam, preferably a continuous welding seam, as shown in Fig. 5.
  • the continuous welding seam extends continuously, not like the series of welding rings 633.
  • the peelable structure 635 may be disposed at a corner of the bag body 61, particularly at one of two corners of the bag body 61 adjacent to the inlet port 62.
  • a corner portion 637 of the bag body 61 outside of the peelable structure 635 may be configured as at least one (preferably two) peeling handle for facilitating the peeling of the peelable structure 635.
  • two opposite ends of the peelable structure 635 may extend to respective edges of the bag body 61, as shown in Fig. 5.
  • the peelable structure 635 extends until the edges of the bag body 61 so as to form a big opening after peeling.
  • Fig. 6 shows a folded status of the peelable structure 635 of the sealing structure 63 of the drainage bag 6 as shown in Fig. 5. In the folded status, the peelable structure 635 is folded inward.
  • the peelable structure 635 may be configured to be adapted to be folded along an inner edge of the peelable structure 635 to protect the peelable structure from being broken before the peelable structure 635 is peeled. This design can make sure both integrity of the drainage bag 6 (no leakage) before peeling, and easy-peeling after unfolding the peelable structure.
  • the inner edge of the peelable structure 635 is configured as a folding line which may be formed for example by ironing.
  • the at least one peeling handle may be configured to be adapted to be folded along with the peelable structure 635.
  • the peeling handles may have bump dots 638 on at least one surface of the peeling handles.
  • the peeling handle has the bump dots 638 on both of the opposite surfaces thereof.
  • the bump dots 638 can facilitate peeling of the peelable structure 635 by means of the peeling handle.
  • the drainage bag 6 may be provided with at least one hanging hole 66, preferably three hanging holes 66, for hanging the drainage bag 6.
  • the drainage bag 6 can be hanged by means of the hanging holes 66.
  • the hanging hole 66 may have any suitable shape, for example circular shape.
  • the sealing structure 63 may be configured in a linear manner.
  • sealing structure may comprise both of the tearable structure and the peelable structure and the tearable structure and the peelable structure may be combined in any suitable manner.
  • the sealing structure may be formed in other suitable manners within the inventive concept, as long as it can be broken manually.
  • the sealing structure may comprise or be formed by a self-sealing opening and/or a thread pulling-opening seal, which is known per se and thus is not described here in details for simplicity.
  • the drainage bag also may be used in a single-bag continuous ambulatory peritoneal dialysis system or an automated peritoneal dialysis system, although it was described above in connection with the double-bag continuous ambulatory peritoneal dialysis system.
  • the inventive drainage bag also can be applied in other applications, for example, a continuous renal replacement therapy (CRRT) .
  • CRRT continuous renal replacement therapy
  • the inventive drainage bag can be used to collect any medical waste fluid and allow for easy disposing of the waste fluid later.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • External Artificial Organs (AREA)

Abstract

Sont divulgués, une poche de drainage destinée à collecter un fluide déchet médical, et un kit médical comprenant la poche de drainage, un drainage facile et rapide pouvant être obtenu sans utiliser d'instruments spéciaux. La poche de drainage comprend un corps de poche conçu pour définir une cavité interne destinée à recevoir le fluide déchet médical ; un orifice d'entrée conçu pour être en communication fluidique avec la cavité interne afin de permettre au fluide déchet médical de s'écouler dans la cavité interne ; et une structure d'étanchéité formée sur le corps de poche et conçue pour être rompue directement et manuellement de façon à drainer le fluide déchet médical hors de la cavité interne par l'intermédiaire de la structure d'étanchéité rompue.
PCT/CN2021/092333 2021-05-08 2021-05-08 Poche de drainage destinée à collecter un fluide déchet médical et kit médical correspondant Ceased WO2022236459A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/092333 WO2022236459A1 (fr) 2021-05-08 2021-05-08 Poche de drainage destinée à collecter un fluide déchet médical et kit médical correspondant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/092333 WO2022236459A1 (fr) 2021-05-08 2021-05-08 Poche de drainage destinée à collecter un fluide déchet médical et kit médical correspondant

Publications (1)

Publication Number Publication Date
WO2022236459A1 true WO2022236459A1 (fr) 2022-11-17

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140121613A1 (en) * 2012-10-30 2014-05-01 Kimberly-Clark Worldwide, Inc. Ergonomic system for drainage and disposal of bodily fluids
CN205041861U (zh) * 2015-10-13 2016-02-24 张志坚 一种一次性cttr废液引流袋
CN208958916U (zh) * 2018-09-06 2019-06-11 成都市新津事丰医疗器械有限公司 一种废液袋
CN211301421U (zh) * 2019-09-18 2020-08-21 泰达国际心血管病医院 能够快速清空的血滤机血滤废液袋
CN211797946U (zh) * 2020-02-08 2020-10-30 佳木斯大学 一种血液透析的废液收集袋

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140121613A1 (en) * 2012-10-30 2014-05-01 Kimberly-Clark Worldwide, Inc. Ergonomic system for drainage and disposal of bodily fluids
CN205041861U (zh) * 2015-10-13 2016-02-24 张志坚 一种一次性cttr废液引流袋
CN208958916U (zh) * 2018-09-06 2019-06-11 成都市新津事丰医疗器械有限公司 一种废液袋
CN211301421U (zh) * 2019-09-18 2020-08-21 泰达国际心血管病医院 能够快速清空的血滤机血滤废液袋
CN211797946U (zh) * 2020-02-08 2020-10-30 佳木斯大学 一种血液透析的废液收集袋

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