WO2009105436A1 - Method and system for loading of tubing into a pumping device - Google Patents
Method and system for loading of tubing into a pumping device Download PDFInfo
- Publication number
- WO2009105436A1 WO2009105436A1 PCT/US2009/034347 US2009034347W WO2009105436A1 WO 2009105436 A1 WO2009105436 A1 WO 2009105436A1 US 2009034347 W US2009034347 W US 2009034347W WO 2009105436 A1 WO2009105436 A1 WO 2009105436A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube segment
- tube
- pump
- roller
- holder
- Prior art date
Links
Classifications
-
- 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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14232—Roller pumps
-
- 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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0054—Special features particularities of the flexible members
- F04B43/0072—Special features particularities of the flexible members of tubular flexible members
-
- 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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0081—Special features systems, control, safety measures
-
- 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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
-
- 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
- F04B2201/00—Pump parameters
- F04B2201/12—Parameters of driving or driven means
- F04B2201/1208—Angular position of the shaft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53526—Running-length work
Definitions
- the present disclosure relates to fluid delivery systems.
- it relates to fluid delivery systems for medical appliances.
- Certain surgical appliances use a supply of fluid for irrigation of a surgical site on a patient as well as for cooling of the surgical appliance.
- Some non-limiting examples of this type of surgical appliance include micro-debriders, otologic drills, and the like.
- One common method of providing consistent fluid delivery to a surgical appliance includes pumping fluid through medical tubing via a positive displacement pump, such as a peristaltic pump.
- Peristaltic pumps are desirable for many reasons, such as their ability to maintain sterility of the fluid and cleanliness of the pump because the fluid flows through the medical tubing and does not come into contact with components of the pump. For these reasons, a peristaltic pump also can be used for delivering medications via an intravenous delivery system and/or for other medical applications.
- Figure 2 is a perspective view of a front portion of a holder, in accordance with principles of the present disclosure
- Figure 3 is a perspective view of a back portion of the holder of Figure 2;
- Figure 4 is a cross-sectional view of Figure 3 as taken along line 4 — 4;
- Figure 5 is a front plan view of a segment of tubing mounted relative to a holder, in accordance with principles of the present disclosure
- Figure 6 is a top view of the holder and segment of tubing of Figure 5;
- Figure 7A is a cross-sectional view illustrating a method of installing a segment of tubing into the holder of Figures 1-6, in accordance with principles of the present disclosure
- Figure 9 is a perspective view illustrating a segment of tubing being loaded, via a holder, into a pump assembly, in accordance with principles of the present disclosure
- Figure 10 is a cross-sectional view schematically illustrating a segment of tubing after being loaded via a holder into a pump assembly but prior to closure of the pump assembly, in accordance with principles of the present disclosure
- Figure 11 is a side view of a portion of tubing as loaded into a tube-gripping mechanism of the pump assembly
- Figure 12 is a cross-sectional view schematically illustrating the segment of tubing shown in Figure 10 after closure of the pump assembly, in accordance with principles of the present disclosure
- Figure 13 is a perspective view schematically illustrating a holder slidably mounted onto a pump assembly with the segment of tubing properly loaded into the pump assembly of Figure 10, in accordance with principles of the present disclosure
- Figure 14 is a block diagram schematically illustrating a mechanism for controlling a rotational position of a roller of the pump assembly, in accordance with principles of the present disclosure.
- Figure 15A is a perspective view schematically illustrating a mechanism for sensing a rotational position of a roller of the pump assembly, in accordance with principles of the present disclosure.
- Figure 15B is a perspective view schematically illustrating a sensor assembly for sensing a rotational position of a roller of the pump assembly, in accordance with principles of the present disclosure.
- Embodiments of the present disclosure are directed to insuring consistent fluid flow through tubing to a medical appliance.
- these embodiments provide for proper positioning of medical tubing within a peristaltic pump, thereby allowing the proper volume of fluid to be moved through the tubing by the pump.
- a holder is provided for holding one or more segments of tubing in a predetermined configuration so that upon slidably fitting the holder onto a pump assembly, the segments of tubing are properly loaded relative to the interior components (e.g., rollers) of the pump.
- the holder allows for one-handed loading of the tubing.
- the holder includes a pair of guides to insure that the tubing extends within, and out of the, pump assembly at the proper angle.
- the tubing includes a fixed length of tubing that extends between the guides of the holder to insure that the segment of tubing that is engaged within the pump assembly avoids unwanted stretching and maintains a generally constant length. This arrangement helps the tubing to properly open and close during the cyclic rotation of the rollers of the pump.
- embodiments of the present disclosure can be used to provide controlled fluid delivery to any medical appliance receiving fluids via medical tubing via the action of a peristaltic pump. Accordingly, embodiments of the invention are not limited solely to use with surgical appliances, but can be employed with a wide variety of medical appliances. These and other embodiments are described more fully in association with Figures 1-15.
- a fluid delivery system 10 in accordance with aspects of the present disclosure for supplying fluid to a medical appliance is shown in Figure 1.
- the system 10 includes a fluid manager 12 (e.g., a console), pump assemblies 14, 15 and a medical appliance 20.
- Fluid stored in fluid containers 16 and 17 is supplied via the respective tubes 18, 19 to pump assemblies 14, 15 for pumping to medical appliance 20 as controlled by fluid manager 12.
- tubes 18, 19 form a part of a tubing array 26 that extends to and is fluidly connected to a proximal end 22 of medical appliance 20.
- the pump assemblies 14, 15 are mounted onto the fluid manager 12 and in some embodiments, are releasably secured relative to the fluid manager 12 to allow convenient replacement of one or more of the pump assemblies 14, 15.
- the shell 50 of holder 45 is defined by a front wall 51, a bottom wall 52, a top edge 53, and side walls 56.
- a flange 70 extends outwardly from the bottom wall 52 and the side walls 56 of the shell 50.
- the side walls 56 include a rear edge 72 and the bottom wall 52 includes a rear edge 75.
- each side wall 56 of shell 50 includes an upper portion 57 and a lower portion 58 with upper portion 57 extending vertically upward relative to the top edge 53 of pocket 50.
- each side wall 56 of shell 50 also includes a shoulder 80 interposed between the upper portion 57 and the lower portion 58, which results in the lower portion 58 being narrower than the upper portion 57.
- the shoulder 80 and the lower portion 58 together facilitate grasping of the holder 45 between a thumb and fingers of an operator in an "opposed gripping" maneuver, which in turn, facilitates one- handed mounting of the holder 45 (and tubing) onto one of the pump assemblies 14, 15. This one-handed mounting maneuver is illustrated later in association with Figure 9.
- the upper portion 57 of each side wall 56 (of holder 45) includes a vertical rib 59 protruding from an inner surface of upper portion 57, as illustrated in Figures 2-3 and 5.
- These vertical ribs 59 are configured to releasably engage a reciprocating feature of a pump assembly (e.g., pump assembly 14, 15) such as a slot or protrusion, sized and shaped to releasably engage the vertical ribs 59 of holder 45.
- a pump assembly e.g., pump assembly 14, 15
- the vertical ribs 59 enable snap-fitting of the holder 45 onto the housing of the pump assembly. Accordingly, this snap-fitting feature stabilizes a position of holder 45 during and after loading tubing within pump assembly, which is further described later in association with Figures 8-13.
- a tubing array 100 supported by guides 62 of holder 45 includes first tube segment 101, second tube segment
- guides 62 are laterally spaced apart by a width (Wl) that is substantially the same as a width (illustrated as W2 in Figure 8) of an exterior housing of a pump assembly 150.
- Wl width
- W2 width
- This arrangement contributes to the slidable engagement of holder 45 relative to the pump assembly 150.
- This arrangement also causes the ends 104 of first tube segment 101 to be positioned within the tube-gripping mechanisms 170 of pump assembly 150, as later described in association with Figures 10- 12.
- connector 130 defines a conduit 132 extending between a first end 134 and a second end 136, as shown in Figure 7 A.
- connector 130 includes a flange 137 interposed between the first end 134 and second end 136.
- each of the first end 134 and second end 136 include a barbed outer surface 138 (including one or more barbs) for frictionally engaging an inner wall of an end 112 of one of the respective tube segments 110, 111 or an end 104 of first tube segment 101.
- this arrangement provides and maintains a fixed length of tubing (e.g., first tube segment 101) between guides 62 to minimize unwanted slippage of tubing through the pump assembly during pumping, as sometimes occurs with conventional tubing and pump arrangements.
- the arrangement illustrated in Figure 7B insures that ends 104 of first tube segment 101 extend at the proper angle to position the ends 104 for proper engagement by a tube-gripping mechanism 170 of pump assembly 150, as described later in more detail in association with Figures 10-12.
- this arrangement positions midpoint 102 of first tube segment 101 at a distance above guides 62 (illustrated as Dl in Figure 5) selected for loading the arc-shaped midpoint 102 of first tube segment 101 just above a roller of rotor mechanism of a pump assembly, as further illustrated in association with Figures 10 and 12.
- the pump assembly 150 further comprises a rotor mechanism 180 (schematically illustrated in Figures 10, 12, and 14) that causes rotational movement of a plurality of rollers in a clock- wise movement (or counter clock- wise movement) in which each of the respective rollers pass in series by midportion 102 of the first tube segment 101 to push fluid through tubing array 100 in a controller manner.
- a rotor mechanism 180 (schematically illustrated in Figures 10, 12, and 14) that causes rotational movement of a plurality of rollers in a clock- wise movement (or counter clock- wise movement) in which each of the respective rollers pass in series by midportion 102 of the first tube segment 101 to push fluid through tubing array 100 in a controller manner.
- a width W2 between the respective gripping mechanisms 170 of pump assembly 150 is slightly less than a width Wl between the laterally spaced apart guides 62.
- FIG 9 is a schematic illustration of an operator using only one hand 190 to grasp holder 45 (in which tubing array 100 is mounted) and load first tubing segment 101 into pump assembly 150.
- holder 45 defines a pocket-shaped shell that is sized and shaped to generally reciprocate a size and shape of the housing 151 of pump assembly 150. Accordingly, by using a single hand, an operator can maneuver holder 45 into slidable engagement onto pump housing 151 which simultaneously and automatically loads the midportion 102 of first tube segment 101 within the roller-tube engagement zone 185.
- each of the respective rollers 182, 183, 184 are moved sequentially into an uppermost position (currently occupied by roller 182) to extend within the roller-tube engagement zone 185 of the pump housing 151 for squeezing midportion 102 of first tube segment 101 against contact portion 164.
- rotor mechanism 180 is also configured to rotate in a counter clock- wise direction, causing rollers 182, 183,184 to move in a direction opposite from that shown in Figure 10.
- closure of door 161 causes engagement member 162 to slidably advance downward (as represented by directional arrow Z) until contact portion 164 forcibly compresses midportion 102 of first tube segment 101 against the roller in the uppermost rotational position (in this instance, roller 182) within pump assembly 150. This action effectively closes the passageway within midportion 102 of first tube segment
- the snap-fitting feature of holder 45 as provided via vertical ribs 59 (see, for example, Figures 2-3 and 5), maintains the front portion 51 of shell 50 in secure contact against the front portion 152 of housing 151 of pump assembly 150 during the closure of door 161 without having to hold the holder 45 in position against the pump assembly 150. Accordingly, after the convenient one-handed mounting of holder 45 onto pump assembly 150, the operator is free to let go of the holder 45 and then use the same hand to close the door 161 of the pump assembly 150.
- Figure 12 also illustrates the gripping action of gripping mechanism 170 (as represented by directional arrow A) that secures the ends 104 of first tube segment between the upper portion 172 and the lower portion 174 of gripping mechanism 170 just inside the guides 62 of holder 45.
- Figure 13 is a perspective view schematically illustrating tubing array 101 as loaded into pump assembly 150 with door 161 fully closed for operation of pump assembly 150.
- guides 62 of holder 45 keep the respective second and third tube segments 110, 111 at the proper angle while maintaining the ends 104 of the first tube segment 101 at the proper angle within the pump assembly 150 to optimize engagement of midportion 102 of first tube segment 101 with one of the rollers 182, 183, 184 that is in the uppermost position within pump housing 151 (as previously illustrated in Figure 12).
- FIG. 14 is a block diagram schematically illustrating an optical sensing system
- system 250 includes a fluid manager or console 260 configured to support a pump assembly 262, in a manner substantially similar to that depicted for console 12 and pump assemblies 14, 15 illustrated in Figure 1.
- console 260 enables mechanically mounting of a pump assembly 262 while also providing control circuitry to direct operations of the pump assembly 262.
- console 260 comprises a controller 276 which controls operation of motor 272 for rotor mechanism 274 of pump assembly 262.
- the controller 276 employs algorithms stored in its memory 277 to initiate, suspend, and regulate the rotational movement of rotor mechanism 274 to cause a desired pumping action via engagement of rollers 275 with medical tubing.
- loading of tubing within pump assembly 262 includes using a positioning mechanism 280 to automatically position one of the rollers 275 into an uppermost position within the pump assembly 262 prior to and/or during loading of the tubing within the pump assembly 262.
- controller 276 activates motor 272 to move rotor mechanism 274 until one of the rollers 275 is in the uppermost position.
- identifier 282 is positioned on the shaft 284 so that alignment of identifier 282 with sensor 281 corresponds to one of the rollers 275 being in the uppermost position.
- identifier 282 can take many forms resulting in the identifier 282 marking a unique rotational position of shaft 284.
- identifier 282 comprises an optically detectable mark on shaft 284, as illustrated in Figure 14.
- sensor 281 and identifier 282 are not limited to optical technologies but may comprise capacitive sensing, magnetic sensing, or other sensing technologies.
- Figure 15A illustrates a disc 290 mounted on shaft 284 with disc 290 defining a pattern of slits
- disc 290 forms part of a mount assembly 288 coupled to shaft 284 and also defines a blade 294 protruding outward from disc 290.
- Blade 294 is configured to slidably engage slot 279 of rotor mechanism 274. In this manner, blade 294 of mount assembly 288 enables coupling rotor mechanism 274 to shaft 284 driven by motor 272 while patterned disc 290 enables sensing a position of the respective rollers.
- a sensor assembly 295 is provided to optically detect the position of the slits 292 of disc 290.
- the sensor assembly 295 comprises a transmitter
- controller 276 can maneuver the rollers 275 illustrated in Figure 14 (or rollers 182, 183, 184 illustrated in Figure 12) to insure that one of the respective rollers is in the uppermost position prior to loading tubing array 100 within a pump assembly.
- Embodiments of the present disclosure provide a convenient, reliable, and reproducible means of properly positioning tubing within a peristaltic pump.
- Loading can be performed with one hand and with the knowledge that the full potential of the peristaltic pump will be employed to deliver fluid to the desired medical appliance.
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (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)
- Reciprocating Pumps (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010547713A JP5383711B2 (en) | 2008-02-22 | 2009-02-18 | Method and system for loading a tube into a pumping device |
CA2716513A CA2716513C (en) | 2008-02-22 | 2009-02-18 | Method and system for loading of tubing into a pumping device |
ES09711912.7T ES2558569T3 (en) | 2008-02-22 | 2009-02-18 | Procedure and system for loading a tubing into a pumping device |
CN2009801105756A CN101978166B (en) | 2008-02-22 | 2009-02-18 | Method and system for loading of tubing into a pumping device |
AU2009215644A AU2009215644B2 (en) | 2008-02-22 | 2009-02-18 | Method and system for loading of tubing into a pumping device |
EP09711912.7A EP2260209B1 (en) | 2008-02-22 | 2009-02-18 | Method and system for loading of tubing into a pumping device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/036,148 | 2008-02-22 | ||
US12/036,148 US8272857B2 (en) | 2008-02-22 | 2008-02-22 | Method and system for loading of tubing into a pumping device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009105436A1 true WO2009105436A1 (en) | 2009-08-27 |
Family
ID=40548554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/034347 WO2009105436A1 (en) | 2008-02-22 | 2009-02-18 | Method and system for loading of tubing into a pumping device |
Country Status (7)
Country | Link |
---|---|
US (3) | US8272857B2 (en) |
EP (2) | EP2284397B1 (en) |
JP (2) | JP5383711B2 (en) |
CN (1) | CN101978166B (en) |
CA (1) | CA2716513C (en) |
ES (2) | ES2558569T3 (en) |
WO (1) | WO2009105436A1 (en) |
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WO2016012072A1 (en) * | 2014-07-24 | 2016-01-28 | Merck Patent Gmbh | Rotor device for peristaltic pump |
JP2016502455A (en) * | 2012-10-25 | 2016-01-28 | トリステル ピーエルシーTristel Plc | Pump device |
US9970431B2 (en) | 2012-10-25 | 2018-05-15 | Tristel Plc | Hand-held pump apparatus |
US10947966B2 (en) | 2015-10-21 | 2021-03-16 | Haemonetics Corporation | Peristaltic pump with controlled stop |
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Also Published As
Publication number | Publication date |
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ES2425598T3 (en) | 2013-10-16 |
EP2284397B1 (en) | 2013-06-05 |
CA2716513A1 (en) | 2009-08-27 |
US8939740B2 (en) | 2015-01-27 |
JP5383711B2 (en) | 2014-01-08 |
EP2260209A1 (en) | 2010-12-15 |
CN101978166B (en) | 2013-08-07 |
CN101978166A (en) | 2011-02-16 |
ES2558569T3 (en) | 2016-02-05 |
EP2260209B1 (en) | 2015-10-28 |
AU2009215644A1 (en) | 2009-08-27 |
US20130045112A1 (en) | 2013-02-21 |
JP5856590B2 (en) | 2016-02-10 |
JP2011513617A (en) | 2011-04-28 |
US8272857B2 (en) | 2012-09-25 |
US10443592B2 (en) | 2019-10-15 |
CA2716513C (en) | 2016-06-14 |
EP2284397A1 (en) | 2011-02-16 |
US20150139836A1 (en) | 2015-05-21 |
JP2013256955A (en) | 2013-12-26 |
US20090214365A1 (en) | 2009-08-27 |
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