WO2024051464A1 - Ensemble pompe à pression négative et dispositif d'aspiration de thrombus doté d'un ensemble pompe à pression négative - Google Patents

Ensemble pompe à pression négative et dispositif d'aspiration de thrombus doté d'un ensemble pompe à pression négative Download PDF

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Publication number
WO2024051464A1
WO2024051464A1 PCT/CN2023/113529 CN2023113529W WO2024051464A1 WO 2024051464 A1 WO2024051464 A1 WO 2024051464A1 CN 2023113529 W CN2023113529 W CN 2023113529W WO 2024051464 A1 WO2024051464 A1 WO 2024051464A1
Authority
WO
WIPO (PCT)
Prior art keywords
negative pressure
pressure pump
fixing part
suction hose
housing
Prior art date
Application number
PCT/CN2023/113529
Other languages
English (en)
Chinese (zh)
Inventor
汤麟
唐辉强
李思漪
Original Assignee
深圳市先健神康医疗有限公司
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 深圳市先健神康医疗有限公司 filed Critical 深圳市先健神康医疗有限公司
Publication of WO2024051464A1 publication Critical patent/WO2024051464A1/fr

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/08—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having peristaltic action

Definitions

  • the present application belongs to the technical field of medical devices, and specifically relates to a negative pressure pump assembly and a thrombus aspiration device having the negative pressure pump assembly.
  • Thrombectomy is usually performed using a vacuum pump system in conjunction with a catheter.
  • Existing pump systems often include reusable, large-footprint pumps that are expensive to purchase and maintain.
  • the purpose of this application is to provide a negative pressure pump assembly with small volume and compact internal structure.
  • a negative pressure pump assembly includes an upper housing, a negative pressure pump, a power supply and a lower housing.
  • the upper housing and the lower housing are connected to form an inner cavity of the housing.
  • the negative pressure pump and the power supply are arranged in In the inner cavity of the housing, the negative pressure pump includes a main body part and a driving motor.
  • the diameter of the main body part is larger than the diameter of the driving motor.
  • a bracket is provided in the upper housing or the lower housing.
  • the main body part Fixed on the bracket, an accommodating space is included between the driving motor and the lower housing, and the power supply is arranged in the accommodating space.
  • the above-mentioned negative pressure pump assembly forms an inner cavity of the housing by providing an upper housing and a lower housing.
  • the negative pressure pump is installed on the bracket of the upper housing or the lower housing, and the power supply is stored in the space between the drive motor and the lower housing.
  • the components in the entire negative pressure pump assembly are simple and the internal structure is compact, making the negative pressure pump assembly smaller and easier to transport and use.
  • the bracket includes a first bracket fixing part, and the main body part is fixed on the first bracket fixing part.
  • the first bracket fixing part is provided with an opening
  • the main body part is fixed on the first bracket fixing part through a fixing part, one end of the fixing part passes through the opening, and then Access the main body section for fixation.
  • the main body part includes a negative pressure inlet and a negative pressure outlet.
  • a suction hose is connected to the negative pressure inlet, and a suction hose is connected to the negative pressure outlet.
  • the suction hose and the suction hose are connected to the negative pressure outlet.
  • the suction hose extends out of the inner cavity of the housing.
  • the negative pressure inlet and the negative pressure outlet both face the lower housing, and at least one of the suction hose and the suction hose is bent from the upper housing.
  • the side wall of the body and/or the side wall of the lower housing protrudes from the inner cavity of the housing.
  • the lower housing is provided with at least one of the first joint fixing part, the second joint fixing part, the suction hose fixing part, the suction hose fixing part, the first baffle and the second baffle.
  • the first joint passes through the first joint fixing part and is fixed on the first joint fixing part.
  • the first joint resists the first baffle, thereby constraining the first joint in the location in the lower housing,
  • the second joint passes through the second joint fixing part and is fixed on the second joint fixing part.
  • the second joint resists the second baffle, thereby constraining the second joint in the location in the lower housing,
  • the suction hose passes through the suction hose fixing part and is fixed on the suction hose fixing part
  • the suction hose passes through the suction hose fixing part and is fixed on the suction hose fixing part.
  • the upper housing and the lower housing are connected through snap connections and/or screws.
  • the edge of the side wall of the lower housing is provided with a first bump
  • the edge of the side wall of the upper housing is provided with a second bump protruding from the side wall of the upper housing.
  • the second bump is provided with an opening or a slot, and the opening or slot can cooperate with the first bump; and/or a first bump is also provided on the edge of the side wall of the lower housing. Stopper, the first protrusion is spaced apart from the first stopper, and when the first protrusion enters the opening or slot, the second protrusion can be clamped on the first protrusion. between the block and the first stopper.
  • the negative pressure pump assembly further includes a cushion pad, which is disposed between the negative pressure pump and the upper housing, or/and is disposed between the negative pressure pump and the power supply. between.
  • a switch assembly is provided on the upper housing or the lower housing, and the switch assembly, the driving motor and the power supply are connected through wires.
  • wire troughs for fixing the electric wires are provided on the inner wall of the upper housing or/and the inner wall of the lower housing.
  • a thrombus suction device includes any of the above negative pressure pump components.
  • Figure 1 is a schematic diagram of a negative pressure pump assembly provided by an embodiment.
  • Figure 2 is an exploded view of a negative pressure pump assembly provided by an embodiment.
  • FIG. 3 is a schematic diagram of the lower housing of the negative pressure pump assembly provided by an embodiment.
  • FIG. 4 is a schematic diagram of a negative pressure pump assembly with an upper casing removed according to an embodiment.
  • Figure 5 is a schematic view of Figure 4 from another angle.
  • FIG. 6 is a schematic diagram of the upper housing of the negative pressure pump assembly provided by an embodiment.
  • Figure 7 is an enlarged view of part A in Figure 3.
  • Figure 8 is an enlarged view of part B in Figure 6.
  • first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections shall not be referred to as restricted by these terms. These terms are only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as “first,””second,” and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Therefore, a first element, component, region, layer or section discussed below would not depart from the example embodiments The context may be referred to as a second element, component, region, layer or section.
  • spatially relative terms may be used herein to describe the relationship of one element or feature to another element or feature as shown in the figures. These relative terms, such as “inner”, “outer”, “inner” ”, “outside”, “below”, “below”, “above”, “above”, etc. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “below” or “beneath” other elements or features would then be oriented “above” or “beneath” the other elements or features. Features above”. Thus, the example term “below” may include an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
  • proximal and distal are defined here as commonly used terms in the field of interventional medicine. Specifically, “distal” means the end far away from the operator during the surgical operation, “proximal” means the end close to the operator during the surgical operation, “axial” means its length direction, and “radial” means perpendicular to The “axial” direction.
  • the suction pump assembly 100 includes an upper housing 1, a lower housing 2, a negative pressure pump 3 and a power supply 4, wherein the upper housing 1 It is connected with the lower shell 2 to form an inner cavity of the shell.
  • the negative pressure pump 3 and the power supply 4 are arranged in the inner cavity of the shell.
  • the negative pressure pump 3 includes a main body part 31 and a drive motor 32. The diameter of the main body part 31 is larger than the drive motor 32.
  • the lower shell A bracket 21 is provided in the body 2, and the main body part 31 is fixed on the bracket 21. There is an accommodating space between the driving motor 32 and the lower housing 2, and the power supply 4 is arranged in the accommodating space.
  • the bracket 21 may be provided in the upper housing 1 .
  • the number of brackets 21 may be one or multiple. When there are multiple brackets 21, they can be provided on the upper housing 1 and the lower housing 2 respectively.
  • the driving motor 32 in the negative pressure pump 3 drives the main part 31 to work.
  • the negative pressure pump 3 can be a peristaltic pump.
  • the main part 31 includes a rotating wheel, a hose and a main body shell.
  • the hose surrounds the outer periphery of the rotating wheel and can squeeze
  • the driving motor 32 drives the rotating wheel to rotate, and the rotating wheel alternately rolls and squeezes the hose, so that the hose is squeezed for a while, and then relaxed and rebounded, thereby alternately squeezing the hose. Squeeze and release to achieve negative pressure.
  • the bracket 21 includes a first bracket fixing part 211 and a bracket support part 212.
  • the first bracket fixing part 211 and the bracket support part 212 are connected sideways. There is an included angle between the first bracket fixing part 211 and the bracket support part 212.
  • the main part 31 is fixed on the first bracket fixing part 211.
  • the bracket support member 212 can provide a certain supporting force to the first bracket fixing member 211, so that the main body part 31 is more firmly fixed on the first bracket fixing member 211.
  • the bracket 21 further includes a second bracket fixing part 213 , and the first bracket fixing part 211 and the second bracket fixing part 213 are connected respectively.
  • the bracket 21 only includes the first bracket fixing part 211 .
  • the first bracket fixing member 211 is provided with an opening 2111, and the main part 31 is fixed on the first bracket fixing member 211 through a fixing member (such as a screw 2112), and one end of the screw 2112 passes through Open the hole 2111 and then enter the main part 31 for fixation.
  • a fixing member such as a screw 2112
  • the main part 31 includes a negative pressure inlet 311 and a negative pressure outlet 312.
  • the negative pressure inlet 311 is connected with a suction hose
  • the negative pressure outlet 312 is connected with a suction hose.
  • the suction hose and the suction hose are connected Extend out of the housing cavity.
  • the negative pressure inlet 311 and the negative pressure outlet 312 both face the lower housing 2 , and at least one of the suction hose and the suction hose is bent from the side wall and/or bottom of the upper housing 1 The side wall of the housing 2 protrudes from the inner cavity of the housing.
  • the negative pressure inlet 311 is connected to a first connector 3111
  • the negative pressure outlet 312 is connected to a second connector 3121
  • the first connector 3111 is connected to a suction hose (not shown)
  • the second connector 3121 is connected to a suction hose.
  • pipe (not shown) the suction hose and the suction hose extend out of the inner cavity of the housing, where the first joint 3111 and the second joint 3121 are both L-shaped and will not squeeze the end of the suction hose and the suction hose.
  • the end of the hose avoids affecting the suction effect, and at the same time facilitates the suction hose and the suction hose to extend out of the housing cavity.
  • the shape of the first connector 3111 and the second connector 3121 can also be I-shaped, Elbow shape, etc.
  • the lower housing 2 is provided with a first joint fixing part 201, a second joint fixing part 202, a suction hose fixing part 203, a suction hose fixing part 204, a first baffle 205 and a second At least one of the six baffles 206 .
  • the first joint 3111 passes through the first joint fixing part 201 and is fixed on the first joint fixing part 201.
  • the first joint 3111 resists the first baffle 205, thereby constraining the position of the first joint 3111 in the lower housing 2. .
  • the second joint 3121 passes through the second joint fixing part 202 and is fixed on the second joint fixing part 202.
  • the second joint 3121 resists the second baffle 206, thereby constraining the position of the second joint 3121 in the lower housing 2.
  • the suction hose passes through the suction hose fixing part 203 and is fixed on the suction hose fixing part 203, and extends out of the inner cavity of the housing from the opening 207 of the lower housing 2.
  • the suction hose passes through the suction hose fixing part 204 and is fixed on the suction hose fixing part 204, and extends out of the inner cavity of the housing from the opening 208 of the lower housing 2.
  • the tube fixing pieces 204 are connected in sequence, and the sides of the suction hose fixing piece 203 and the suction hose fixing piece 204 are respectively connected to the inner sides of the lower housing 2, thus forming an integral body in the lower housing. It is convenient for tooling manufacturing and has better support.
  • the upper housing 1 is provided with a suction hose fixing part 103 that matches the suction hose fixing part 203, and a suction hose fixing part 104 that matches the suction hose fixing part 204. .
  • the upper housing 1 is also provided with openings 107 and 108.
  • the opening 107 of the upper housing and the opening 207 of the lower housing cooperate to form the suction hose inlet 7 (see Figure 1).
  • the opening 108 of the upper housing and the lower housing The openings 208 cooperate with each other to form the suction hose outlet.
  • the suction hose fixing part 103 and the suction hose fixing part 203 are connected up and down to form a channel, and the suction hose passes through and is stuck in the channel, and is connected from the suction hose.
  • the tube inlet 7 enters the inner cavity of the housing; the suction hose fixing part 104 and the suction hose fixing part 204 are connected up and down and form another channel.
  • the suction hose passes through and is stuck in the channel, and passes out of the shell from the suction hose outlet. Internal cavity.
  • the upper housing 1 and the lower housing 2 may be connected through snap connections and/or screws.
  • a first bump 209 is provided on the edge of the side wall of the lower housing 2
  • a first bump 209 is provided on the edge of the side wall of the upper housing 1 protruding from the upper housing.
  • the second bump 109 on the side wall of 1 is provided with an opening or slot 1091, and the opening or slot 1091 can cooperate with the first bump 209.
  • the first bump 209 can enter the opening or slot 1091 to form a snap connection, so that the upper housing 1 and the lower housing 2 are fixedly connected to each other.
  • a first stopper 309 is also provided on the edge of the side wall of the lower housing 2.
  • the first protrusion 209 is spaced apart from the first stopper 309.
  • the first protrusion 209 enters the opening or groove. 1091, the second protrusion 109 can be clamped between the first protrusion 209 and the first stopper 309 to further achieve fixation.
  • the upper housing 1 is provided with a threaded post 110 with a threaded hole
  • the lower housing 2 is also provided with a threaded post 210 with a threaded hole.
  • the threaded column 110 and the threaded column 210 are connected up and down.
  • the threaded hole of the threaded column 110 and the threaded hole of the threaded column 210 are connected with each other.
  • a screw 8 penetrates into the threaded hole of the threaded column 210 from the outside of the lower housing 2 and Continue to pass through the threaded hole of the threaded column 110, thereby fixing the screw 8 in the threaded column 110 and the threaded column 210, so that the upper housing 1 and the lower housing 2 are fixed to each other.
  • the screw 8 can also penetrate into the threaded hole of the threaded column 110 from outside the upper housing 1 and continue to penetrate into the threaded hole of the threaded column 210 .
  • a switch assembly 9 is provided on the upper housing 1 or the lower housing 2.
  • the switch assembly 9, the driving motor 32 and the power supply 4 are connected through wires 10.
  • wire troughs 11 for fixing wires 10 are provided on the inner wall of the upper housing 1 or/and the inner wall of the lower housing 2 .
  • a fixing piece is provided on the upper casing 1 or the lower casing 2, and then slots are made on the fixing piece to form the wire trough 11.
  • the switch assembly 9 may not be provided, and the wire trough 11 may not be provided.
  • the negative pressure pump assembly 100 also includes a cushion pad 12.
  • the cushion pad 12 is disposed between the negative pressure pump 3 and the upper housing 1, or/and is disposed between the negative pressure pump 3 and the power supply 4, thereby reducing the load.
  • Pressure pump 3 jobs Strong vibration during operation.
  • adhesive tape 13 can be used to stick the power supply 4 in the lower housing 2 .
  • the cushion pad 12 may not be provided.
  • This embodiment also provides a thrombus suction device, which includes the above-mentioned negative pressure pump assembly 100.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne un ensemble pompe à pression négative et un dispositif d'aspiration de thrombus doté de l'ensemble pompe à pression négative. L'ensemble pompe à pression négative comprend un boîtier supérieur (1), une pompe à pression négative (3), une alimentation électrique (4) et un boîtier inférieur (2), le boîtier supérieur (1) et le boîtier inférieur (2) étant reliés pour former une cavité de boîtiers ; la pompe à pression négative (3) et l'alimentation électrique (4) sont disposées dans la cavité de boîtiers ; la pompe à pression négative (3) comprend une partie corps principal (31) et un moteur d'entraînement (32) ; le diamètre de la partie corps principal (31) est supérieur au diamètre du moteur d'entraînement (32) ; un support (21) est disposé dans le boîtier supérieur (1) et/ou le boîtier inférieur (2) ; la partie corps principal (31) est fixée sur le support (21) ; un espace de réception est présent entre le moteur d'entraînement (32) et le boîtier inférieur (2) ; et l'alimentation électrique (4) est disposée dans l'espace de réception. L'ensemble pompe à pression négative est de petite taille, sa structure interne est compacte et il est facile à transporter et à utiliser.
PCT/CN2023/113529 2022-09-05 2023-08-17 Ensemble pompe à pression négative et dispositif d'aspiration de thrombus doté d'un ensemble pompe à pression négative WO2024051464A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222359988.3 2022-09-05
CN202222359988.3U CN219119419U (zh) 2022-09-05 2022-09-05 负压泵组件和具有该负压泵组件的血栓抽吸装置

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WO2024051464A1 true WO2024051464A1 (fr) 2024-03-14

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PCT/CN2023/113529 WO2024051464A1 (fr) 2022-09-05 2023-08-17 Ensemble pompe à pression négative et dispositif d'aspiration de thrombus doté d'un ensemble pompe à pression négative

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN219119419U (zh) * 2022-09-05 2023-06-02 深圳市先健神康医疗有限公司 负压泵组件和具有该负压泵组件的血栓抽吸装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531172A (ja) * 1991-07-31 1993-02-09 Atom Kk 医療用液体ポンプ
CN102022308A (zh) * 2009-09-10 2011-04-20 泰科保健集团有限合伙公司 紧凑型蠕动医用泵
US20110300010A1 (en) * 2009-08-12 2011-12-08 Pathway Medical Technologies, Inc. Peristaltic pump assemblies, tubing cassettes, and systems incorporating such pump assemblies
KR101809123B1 (ko) * 2016-12-06 2017-12-14 이앤엠 주식회사 임베디드 컨트롤 모듈을 구비한 튜브펌프 시스템
US20180003169A1 (en) * 2016-06-30 2018-01-04 Cole-Parmer Instrument Company Llc Peristaltic pumphead and methods for assembly thereof
US20200297536A1 (en) * 2019-03-18 2020-09-24 Verily Life Sciences Llc Peristaltic micropump assemblies and associated devices, systems, and methods
US20210204528A1 (en) * 2020-01-03 2021-07-08 Ecotech Marine, Llc Peristaltic metering pump and methods of operation
CN216278394U (zh) * 2021-09-30 2022-04-12 南京岚轩生物科技有限公司 一种多通量蠕动泵
CN219119419U (zh) * 2022-09-05 2023-06-02 深圳市先健神康医疗有限公司 负压泵组件和具有该负压泵组件的血栓抽吸装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531172A (ja) * 1991-07-31 1993-02-09 Atom Kk 医療用液体ポンプ
US20110300010A1 (en) * 2009-08-12 2011-12-08 Pathway Medical Technologies, Inc. Peristaltic pump assemblies, tubing cassettes, and systems incorporating such pump assemblies
CN102022308A (zh) * 2009-09-10 2011-04-20 泰科保健集团有限合伙公司 紧凑型蠕动医用泵
US20180003169A1 (en) * 2016-06-30 2018-01-04 Cole-Parmer Instrument Company Llc Peristaltic pumphead and methods for assembly thereof
KR101809123B1 (ko) * 2016-12-06 2017-12-14 이앤엠 주식회사 임베디드 컨트롤 모듈을 구비한 튜브펌프 시스템
US20200297536A1 (en) * 2019-03-18 2020-09-24 Verily Life Sciences Llc Peristaltic micropump assemblies and associated devices, systems, and methods
US20210204528A1 (en) * 2020-01-03 2021-07-08 Ecotech Marine, Llc Peristaltic metering pump and methods of operation
CN216278394U (zh) * 2021-09-30 2022-04-12 南京岚轩生物科技有限公司 一种多通量蠕动泵
CN219119419U (zh) * 2022-09-05 2023-06-02 深圳市先健神康医疗有限公司 负压泵组件和具有该负压泵组件的血栓抽吸装置

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