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US2595511A - Pinch valve - Google Patents

Pinch valve Download PDF

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Publication number
US2595511A
US2595511A US5720948A US2595511A US 2595511 A US2595511 A US 2595511A US 5720948 A US5720948 A US 5720948A US 2595511 A US2595511 A US 2595511A
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Prior art keywords
valve
tubing
ways
fig
trunnion
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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.)
Expired - Lifetime
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William F Butler
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CUTTER LAB
CUTTER LABORATORIES
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CUTTER LAB
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/28Clamping means for squeezing flexible tubes, e.g. roller clamps
    • A61M39/286Wedge clamps, e.g. roller clamps with inclined guides

Description

y 6, 1952 w. F. BUTLER 2,595,511

PINCH VALVE Filed Oct. 29, 1948 j Z 1 INVENTOR.

fl m/m/ 1. 50/752 Patented May 6, 1952 PIN CH VALVE William F. Butler, Oakland, Calif., assignor to Cutter Laboratories, Berkeley, Calif., a corporation of California Application October 29, 1948, Serial No. 57,209

1 Claim.

controlling the flow of fluid through a section of collapsible tubing and particularly useful for controlling the flow of blood from a blood donor to a flask.

When taking blood from a donor, a hypodermic needle connected through a section of the collapsible tubing with a flask is inserted in the vein of the donor and then communication with the flask is established by opening a pinch valve associated with the tubing. Thereafter a rotary movement is imparted to the flask to agitate the blood going thereinto with a small volume of sodium citrate contained in the flask and which serves to prevent the blood from coagulating. During this operation due precautions must be taken to avoid pulling the hypodermic needle away from the donor for in the first place any movement of the needle is painful to the donor, and if, by chance, the needle is pulled away from the donors vein it must of necessity be reinserted and this operation is at best disagreeable. Furthermore, precautions must be taken to prevent the introduction of any air into the blood for the introduction of air into the veins-of a patient cannot be tolerated.

More specifically, the object of this invention is the provision of a pinch valve constituting an improvement to the valve shown in the Butler et a1. Patent No. 2,309,302, which can be placed in its operative position over the collapsible tubing without the necessity of threading the tubing to the pinch valve and which enables the operator precisely to control the flow of blood through the tubing and into its associated flask.

These and other objects of the invention will be apparent from the ensuing description and the appended claims.

The invention possesses other advantageous features, some of which, with the foregoing, will be set forth at length in the following description where that form of the invention which has been selected for illustration in the drawings accompanying and forming a part of the present specification is outlined in full. In said drawings, one form of the invention is shown, but it is to be understood that it is not limited to such form, since the invention as set forth in the claims may be embodied in a plurality of forms.

Referring to the drawings:

Fig. 1 is a top plan view of a pinch valve embodying the objects of my invention.

Fig. 2 is a side elevation of the pinch valve shown in Fig. l.

Fig. 3 is a vertical mid-section taken on the line 3-4 of Fig.1.

Fig. 4 is a right end elevation of the valve shown in Figs. 1 and 2.

Fig. 5 is a fragmental side elevation of the right end of the valve shown in Figs. 1 and 2 showing the roller of the pinch valve as it approaches its open position.

Fig. 6 is a right end elevation of my valve similar to Fig. 4 but with the roller of the valve in its fully opened position.

As shown in these various figures, my valve includes a channel generally designated by the numeral I and including a base 2 and upstand ing sides 3 and 4, arranged to receive a section 5 of rubber tubing having a diameter somewhat smaller than the width of the channel I. The sides 3 and 4 are wedge shaped with respect to the longitudinal axis of the channel and are overturned at their upper edges so as to form outwardly extending side wings 6 and l. Formed in the sides 3 and i are inclined cam slots or trunnion ways 8 and 9, the upper edges of which are serrated as at It Forming an extension of the upper right hand end of each of the trunnion ways 8 and 9 are U-shaped slots I I and I2 terminating in re-entrant openings [3 and I4 formed in the wings 6 and l.

Accommodated within the channel I is a knurled roller I5 mounted on opposed axially aligned trunnions I6 and I! receivable in the opposed trunnion Ways 8 and 9. The trunnion Il terminates in a sphere I8 of a diameter larger than the width of the trunnion ways 8 and 9. In the assembly of the roller I5 and the channel I the sphere I8 is inserted through the re-entrant opening M which from an inspection of Fig. 1 will be seen to be of spherical form. Initially the reentrant opening I4 is of a diameter larger than the sphere I8. After the sphere I8 has been introduced through the re-entrant opening I4, the diameter of this opening is reduced in size by a conventional swaging operation, to prevent the trunnion I I from passing through the re-entrant opening I4 or through its associated trunnion way 9. The opposed tninnion I 6 may then be passed through its re-entrant opening I3 and both trunnions moved downwardly, then upwardly, within their associated U-shaped slots I2 and I3 and into their respective trunnion ways 8 and 9. As the trunnions enter the trunnion Ways 8 and 9 the lower surface of the roller I5 comes into engagement with the upper edge of the section of the tubing 5 and if then the roller be moved to the left as viewed in Figs. 1, 2, 3 and 5, the tubing will be progressively pinched from its fully open position as shown in Fig. 2 to its fully closed position as shown in Fig. 3. The knurled upper edge of the trunnion ways 8 and 9 serves to retain the roller 15 in any predetermined position along its trunnion ways.

From'this description it will be seen that I have provided a pinch valve which can be placed on or removed from a section of tubing without the necessity of threading the end of the tubing through the valve and by which a very precise control of the flow of the fluid through the tubing can be readily maintained at all times.

I claim:

A device of the character described for controlling the fiow of fluid through a section of flexible tubing comprising: a channel including a base and a pair of upstanding sides for the accommodation of said section of flexible tubing, said sides having outwardly extending wings; trunnion guide ways formed in said sides, said guide ways being inclined longitudinally with respect to said base and having re-entrant openings at the high ends thereof extending through 'said wings, and said guide ways being serrated only on their upper edges; and a roller receivable in said channel and mounted on trunnions receivable in said guide ways, the end of only one of said trunnions being enlarged to prevent its passage through its associated guide way.

WILLIAM F. BUTLER.

REFERENCES CITED The following references are of record in the file. of this, atent:

UNITED STATES PATENT

US2595511A 1948-10-29 1948-10-29 Pinch valve Expired - Lifetime US2595511A (en)

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Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948939A (en) * 1955-12-27 1960-08-16 Gordon D Brown Quick release buckle with removable strap gripping bars
DE1109971B (en) * 1958-09-06 1961-06-29 Sven Husted Andersen Hose clamp having a U-shaped profile piece of the intended pressure roller
US3099429A (en) * 1960-04-14 1963-07-30 Baxter Laboratories Inc Roller clamp for parenteral solution equipment
US3135259A (en) * 1963-12-12 1964-06-02 Sterilon Corp Infusion flow control valve
US3189038A (en) * 1962-06-08 1965-06-15 Baxter Don Inc Variable flow clamp for flexible tubing
US3215395A (en) * 1962-06-25 1965-11-02 Gorbar Nettie Regulating clamp for flexible tubes
US3329391A (en) * 1964-09-28 1967-07-04 William V Deane Surgical pinch valve
US3497175A (en) * 1967-09-11 1970-02-24 Betty K Koland Fluid regulator and closure valve
US3893468A (en) * 1970-06-22 1975-07-08 American Hospital Supply Corp Clamp for flexible tube and method of regulating flow in such tube
US3915167A (en) * 1974-05-23 1975-10-28 Atlantic Design & Dev Corp Intravenous clamp
US3918675A (en) * 1972-08-30 1975-11-11 Transcodan Flow regulating device particularly for infusion and transfusion tubes
US3960149A (en) * 1974-11-13 1976-06-01 Abbott Laboratories Flow control device
US3984081A (en) * 1974-10-25 1976-10-05 The Raymond Lee Organization, Inc. Medical device for controlling flow of intravenous solutions
US4270725A (en) * 1979-11-27 1981-06-02 Baxter Travenol Laboratories, Inc. Roller clamp for defining a flow lumen in tubing
US4285492A (en) * 1979-09-20 1981-08-25 Abbott Laboratories Flow control device
US4335866A (en) * 1979-09-20 1982-06-22 Abbott Laboratories Flow control device
US4337791A (en) * 1980-11-17 1982-07-06 La-Van Tech Development Corp. Flow regulator assembly
US4406440A (en) * 1980-03-25 1983-09-27 Baxter Travenol Laboratories, Inc. Flow regulating device
US4697785A (en) * 1986-04-14 1987-10-06 Tuseth Robert D Clamp for regulating flow of parenteral solutions
US4869721A (en) * 1986-02-12 1989-09-26 Karpisek Ladislav Stephan Flow regulator for liquids
US5352214A (en) * 1990-11-26 1994-10-04 Oscarsson Rolf A Tubing clamb to control flow through compressible tubing
US6929236B1 (en) * 2002-04-19 2005-08-16 Massachusetts Institute Of Technology Apparatus for flow rate control
US6929235B1 (en) 2002-04-19 2005-08-16 Massachusetts Institute Of Technology Apparatus for flow rate control
US20060084897A1 (en) * 2004-10-14 2006-04-20 Abilityone Corporation Slide lock
US20080083890A1 (en) * 2006-10-10 2008-04-10 Adelberg Kenneth N Parallel-acting roller clamp for intravenous administration set
US20100168680A1 (en) * 2008-12-30 2010-07-01 Tyco Healthcare Group Lp Clamping Assembly for Use With A Catheter
US20100274174A1 (en) * 2009-04-22 2010-10-28 Tyco Healthcare Group Lp Biased Clamping Assemblies
WO2012065650A1 (en) * 2010-11-19 2012-05-24 Carefusion Corporation Roller clamp
US8419694B2 (en) 2008-12-30 2013-04-16 Covidien Lp Extension tube clamps for use with a catheter
WO2013180866A1 (en) * 2012-05-31 2013-12-05 Endo Pharmaceuticals Inc. Catheter valve and methods of using same
US20150190628A1 (en) * 2012-06-20 2015-07-09 Dong Kwan Kim IV Flow Controller Having Flushing Feature
US9131939B1 (en) * 2008-02-27 2015-09-15 Mitralign, Inc. Device for percutaneously delivering a cardiac implant through the application of direct actuation forces external to the body

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US758449A (en) * 1903-11-13 1904-04-26 Orrin L Jeralds Clamp or stop-cock for flexible tubes.
US1330523A (en) * 1918-10-31 1920-02-10 George E Evitts Tube-clamp
US1580649A (en) * 1925-09-04 1926-04-13 Geo J Kelly Inc Tube clamp
US1959074A (en) * 1931-11-27 1934-05-15 Bloxsom Robert Gerry Tube clamp
US2285821A (en) * 1940-08-23 1942-06-09 Brass Goods Mfg Co Tube compressor device
US2309302A (en) * 1941-09-08 1943-01-26 Cutter Lab Transfusion equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US758449A (en) * 1903-11-13 1904-04-26 Orrin L Jeralds Clamp or stop-cock for flexible tubes.
US1330523A (en) * 1918-10-31 1920-02-10 George E Evitts Tube-clamp
US1580649A (en) * 1925-09-04 1926-04-13 Geo J Kelly Inc Tube clamp
US1959074A (en) * 1931-11-27 1934-05-15 Bloxsom Robert Gerry Tube clamp
US2285821A (en) * 1940-08-23 1942-06-09 Brass Goods Mfg Co Tube compressor device
US2309302A (en) * 1941-09-08 1943-01-26 Cutter Lab Transfusion equipment

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948939A (en) * 1955-12-27 1960-08-16 Gordon D Brown Quick release buckle with removable strap gripping bars
DE1109971B (en) * 1958-09-06 1961-06-29 Sven Husted Andersen Hose clamp having a U-shaped profile piece of the intended pressure roller
US3099429A (en) * 1960-04-14 1963-07-30 Baxter Laboratories Inc Roller clamp for parenteral solution equipment
US3189038A (en) * 1962-06-08 1965-06-15 Baxter Don Inc Variable flow clamp for flexible tubing
US3215395A (en) * 1962-06-25 1965-11-02 Gorbar Nettie Regulating clamp for flexible tubes
US3135259A (en) * 1963-12-12 1964-06-02 Sterilon Corp Infusion flow control valve
US3329391A (en) * 1964-09-28 1967-07-04 William V Deane Surgical pinch valve
US3497175A (en) * 1967-09-11 1970-02-24 Betty K Koland Fluid regulator and closure valve
US3893468A (en) * 1970-06-22 1975-07-08 American Hospital Supply Corp Clamp for flexible tube and method of regulating flow in such tube
US3918675A (en) * 1972-08-30 1975-11-11 Transcodan Flow regulating device particularly for infusion and transfusion tubes
US3915167A (en) * 1974-05-23 1975-10-28 Atlantic Design & Dev Corp Intravenous clamp
US3984081A (en) * 1974-10-25 1976-10-05 The Raymond Lee Organization, Inc. Medical device for controlling flow of intravenous solutions
US3960149A (en) * 1974-11-13 1976-06-01 Abbott Laboratories Flow control device
US4285492A (en) * 1979-09-20 1981-08-25 Abbott Laboratories Flow control device
US4335866A (en) * 1979-09-20 1982-06-22 Abbott Laboratories Flow control device
US4270725A (en) * 1979-11-27 1981-06-02 Baxter Travenol Laboratories, Inc. Roller clamp for defining a flow lumen in tubing
US4406440A (en) * 1980-03-25 1983-09-27 Baxter Travenol Laboratories, Inc. Flow regulating device
US4337791A (en) * 1980-11-17 1982-07-06 La-Van Tech Development Corp. Flow regulator assembly
US4869721A (en) * 1986-02-12 1989-09-26 Karpisek Ladislav Stephan Flow regulator for liquids
US4697785A (en) * 1986-04-14 1987-10-06 Tuseth Robert D Clamp for regulating flow of parenteral solutions
US5352214A (en) * 1990-11-26 1994-10-04 Oscarsson Rolf A Tubing clamb to control flow through compressible tubing
US6929236B1 (en) * 2002-04-19 2005-08-16 Massachusetts Institute Of Technology Apparatus for flow rate control
US6929235B1 (en) 2002-04-19 2005-08-16 Massachusetts Institute Of Technology Apparatus for flow rate control
US20060084897A1 (en) * 2004-10-14 2006-04-20 Abilityone Corporation Slide lock
US7621883B2 (en) * 2004-10-14 2009-11-24 Patterson Medical Products, Inc. Slide lock
US20080083890A1 (en) * 2006-10-10 2008-04-10 Adelberg Kenneth N Parallel-acting roller clamp for intravenous administration set
US8313081B2 (en) 2006-10-10 2012-11-20 Adelberg Kenneth N Parallel-acting roller clamp for intravenous administration set
US9131939B1 (en) * 2008-02-27 2015-09-15 Mitralign, Inc. Device for percutaneously delivering a cardiac implant through the application of direct actuation forces external to the body
US20100168680A1 (en) * 2008-12-30 2010-07-01 Tyco Healthcare Group Lp Clamping Assembly for Use With A Catheter
US8419694B2 (en) 2008-12-30 2013-04-16 Covidien Lp Extension tube clamps for use with a catheter
EP2204214A1 (en) * 2008-12-30 2010-07-07 Tyco Healthcare Group LP Clamping assembly for use with a catheter
US8523828B2 (en) 2008-12-30 2013-09-03 Covidien Lp Clamping assembly for use with a catheter
US8221388B2 (en) 2009-04-22 2012-07-17 Tyco Healthcare Group Lp Biased clamping assemblies
US20100274174A1 (en) * 2009-04-22 2010-10-28 Tyco Healthcare Group Lp Biased Clamping Assemblies
WO2012065650A1 (en) * 2010-11-19 2012-05-24 Carefusion Corporation Roller clamp
US8702681B2 (en) 2012-05-31 2014-04-22 Progeny Concepts, Llc Catheter valve and methods of using same
WO2013180866A1 (en) * 2012-05-31 2013-12-05 Endo Pharmaceuticals Inc. Catheter valve and methods of using same
US20150190628A1 (en) * 2012-06-20 2015-07-09 Dong Kwan Kim IV Flow Controller Having Flushing Feature
US9623230B2 (en) * 2012-06-20 2017-04-18 Dong Kwan Kim IV flow controller having flushing feature

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