US3012752A - Valve assembly - Google Patents

Valve assembly Download PDF

Info

Publication number
US3012752A
US3012752A US75502558A US3012752A US 3012752 A US3012752 A US 3012752A US 75502558 A US75502558 A US 75502558A US 3012752 A US3012752 A US 3012752A
Authority
US
Grant status
Grant
Patent type
Prior art keywords
body
valve
bore
assembly
casing
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.)
Expired - Lifetime
Application number
Inventor
James R Buck
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.)
Becton Dickinson and Co
Original Assignee
Becton Dickinson and Co
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
Grant date

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/04Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
    • F16K5/0414Plug channel at 90 degrees to the inlet
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S251/00Valves and valve actuation
    • Y10S251/904Snap fit plug valves
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86815Multiple inlet with single outlet
    • Y10T137/86823Rotary valve

Description

Dec. 12, 1961 J. R. BUCK VALVE ASSEMBLY Filed Aug. 14, 1958 FIG. 3

INVENTOR. Jl/VELS 2. 806A BY lqwe, km

United States Patent 3,012,752 V VALVE ASSEMBLY V I James R. Buck, WestNew York, N.J., assignor to Becton Dickinson and Company, Rutherford, N.J., a corporation of New Jersey Filed Aug. 14, 1958, Ser. No. 755,025 3 Claims. (Cl. 251-309) This invention relates to a structurally and functionally improved assembly especially intended for use inthe medical field, and by means of which the flow of fluid may be properly controlled.

It is a primary object to furnish an assembly, preferably including reusable and discar'dable parts. The former may readily be cleaned and sterilized. The latter will be of such economical construction that after a single use they may be discarded or destroyed. Thereupon, with the reusable parts of the assemblies cleaned and sterilized and with the other parts replaced by new and sterile units, complete and operative assemblies are readily provided. -Consequently, the danger of infection arising through the reuse of parts which are not easily cleaned and sterilized, is avoided.

In its more specific aspects the present invention provides a medical stopcock assembly capable of use with various units of apparatus for the treatment of patients and foi' generallaboratory work. Such a stopcock assembly will include relatively few parts, capable of ready manufacture, and which parts may be assembled with facility to furnish an improvedunit. p

Also, the structure of that unit may be modified where necessary, in that it may be advantageously employed in uses outside the medical and laboratory fields. Therefore, except where otherwise limited by the claims, the present teachings may be advantageously employed in the valving and control of fluids and liquids generally.

With these and other objects in mind, reference is had to the attached sheets of drawings illustrating one practical embodiment of the invention and in which:

FIG. 1 is a perspective view of an assembly of the medical type and involving a stopcock;

FIG. 2 is a transverse sectional view in enlarged scale, taken along the line 22 in the direction of the arrows as indicated in FIG. 3;

BIG. 3 is a sectional plan view of the device;

FIG. 4 is a fragmentary and partly sectional view showing the components of a medical stopcock assembly in separated condition; and 7 FIG. is a somewhat schematic view of alayout of apparatus including a unit of the type shown in the preceding figures.

Referring primarily to FIG. 5, the stopcock assembly has been generally indicated at 10 and will be hereinafter described in detail. To one side or branch of this assembly there may be connected a unit such as the barrel 11 of a hypodermic syringe. To another side, and by means of a suitable fitting such as 12, a tube 13 is connectible. This tube may conveniently extend from a source of liquid supply (not shown). By means of an additional fitting 14 a tube 15 may be coupled to a third side of the stopcock assembly. This tube can conveniently connect at its outer end with a needle of the hypodermic type. As will be understood by relatively shifting the parts of the stopcock, the flow of liquid may be interrupted or caused to move along elected paths.

Now, referring to the illustrated stopcock embodiment of the invention, it will be seen in FIGS. 1 to 4 that the numeral 16 identifies the casing of the valve, provided with a central bore 17, from which passages 18 extend to terminate in fittings 19, 20 and 21 or equivalent cou- Patented Dec. 12, 1961 .IQQ

A ling portions. This bore is preferably flared adjacent its ends. Throughout its entire central zone, and including the area within which passages 18 are disposed, it is truly cylindrical. As shown, fitting 19 is of a'type such that the tip end of the syringe 11 may be connected therewith. The bore of fitting 20 conveniently receives and frictionally engages with the surface of element \12. Element 14 will, on the other hand, present a socket the surface of which is engaged by fitting 21 to retain it against accidental detachment and at the same time "to assure a leakproof seal between the parts.

It will be noted in the present illustration that the stopcock or valve assembly furnishes three: passages. While in many respects a standard assembly may preferably include this number, 'a lesser or even; greater number of passages may be furnished. Accordingly, the valve body 22 has'been shown as. including a channel or groove 24 for the flow and control of fluid and which is proportioned and arranged to properly govern the passage of the liquid through the three openings or ports '18; Obviously, if a greater or lesser number of these passages exist in a given installation, the valve body and casing may have their construction correspondingly modi fied. Also, if a valve assembly different from that of a stopcock is employed, both the casing and valve body may be redesigned to meet the requirements of a given installation.

As illustrated, the valve body or key 22 will include a sleeve portion presenting a bore 23; the channel 24 extending throughout-slightly more than half its circum ference and being isolated from that bore. Throughout the zone with which this body is in contact with the surface of the casing bore 17, it is truly cylindrical. Body 22 is made of a suitable elastic material; Such material may be polyethylene, polyvinyl chloride or nylon. Variations of these plastics may also be employed, as may, additionally, any other plastic with suitable characteristics. At its outer end, body 22 may be expanded to define an outstanding bead 25.

The casing 16 is formed of a metal such as aluminum, stainless steel or chromium-plated brass. Otherwise, it is formed of a suitable plastic'material, such as nylon, polystyrene, etc. The diameter of the bore 17 of this part is preferably exactly equal to the diameter of the key or body22, as indicated in FIG. 4. Under certain circumstances the valve body may even have a di ameter slightly in excess of that of bore 17. Both this body and bore 17, throughout at least the major zones of their operative lengths, are truly cylindrical. As a practical matter the diameter of the valve body may be .250"-0+.002. The diameter of the bore may be .250" .0005+0. The diameter of the bead 25 would approxlmate .253".

In the case of an all-metal assembly as heretofore constructed, the body 22 would not, of course, have a diameter equal to that of bore 17. However, accord ing to the present teaching, by forming the body 22 of, for example, thermoplastic material having flexibility and/or elasticity, the key may be inserted into the bore without difliculty.

So inserted, it will remain in position. No screws, clips or other holding elements or expedients need be employed, in that the body 22 will be retained by friction contact at its end zones. The valve body 22 may be inserted through either end of bore 17 to a position at which its groove or other controlling passage is in line with the zone of passages or ports 18. It is to be noted that this is feasible because these ports are located centrally of the casing bore ends and that channel 24 is disposed an equal distance from the flange 28 or equivalent end portion of the valve body to limit the projec- 3 tion of the latter into said bore. By providing the bore 23, the flexibility of the valve is increased, so that it will properly coact with the surfaces of bore 17.

One valve body will fit different types of casings. In other words, casing 16 may be provided in various classifications involving different combinations of outlets, fitting and adaptors. However, valve body may be of a single uniform type. It is apparent that the bore 17 of the casing may be straight drilled and reamed. The plastic key may be molded, Without other finishing operations.

In the interests of economy, a handle may form an integral part of the valve body. This has been shown at 26. The handle portion is continued to close the adjacent end of bore 23. A head assembly including a portion 27 is conveniently included as an integral part of body 22, and may be serrated, as illustrated. Also, it is in many instances desirable to include a flange 28 as part of the head assembly at a point intermediate the zone of portion 27 and valve body 22. This will bear against the edge surface of casing 16 and function as a stop to limit the insertion of body 22 into the bore.

This flange 28 in conveniently interrupted throughout a desired arcuate length and may cooperate with a portion of casing 16 or an extension thereof, in order to furnish a stop limiting the rotation of the valve body within bore 17. The latter, together with the valve body, could be tapered to a very slight extent, if it were permissible and desirable to furnish a structure in which the key or body was not intended to be optionally inserted into either end of the bore. Indicia in the form of ribs 29, or any other convenient markings, may be exposed on the outer face of the handle 26 and head portion 27. These will serve to indicate the direction in which the passage or groove 24 of the valve body extends. It is apparent that if a reversal of the part is resorted to, i.e., if the valve body is introduced into the opposite end of bore 17 a different flow characteristic through the valve assembly will be achieved.

Obviously, no difliculty will be experienced in sterilizing the parts of the assembly. During use, the direction of flow of the liquid may be accurately controlled. Also, this flow may be interrupted when desired. After use, the valve body may simply be withdrawn from the bore 17 and discarded. It will be quite simple to effect a thorough cleansing and sterilization of the more expensive parts of the assembly involving the casing 16 should the latter involve a reusable structure. Thereafter, a new and sterilized valve body may be suitably inserted into the bore 17, so that the assembly will be instantly ready for further use.

As afore brought out, in addition to a valve assembly of the stopcock type, various other forms of flow-controlling structures may be provided within the scope of the teachings of the present invention.

Thus, among others, the several objects of the invention as specifically aforenoted are achieved. Obviously, numerous changes in construction and rearrangements of the parts may be resorted to without departing from the spirit of the invention as defined by the claims.

I claim:

1. A stopcock type valve including in combination: a rigid casing formed with an axially extended bore having outwardly flared end zones, 'said casing also formed with a plurality of fluid conducting passages extending radially of its axis and afiording communication between said bore in its intermediate zone and the exterior of said casing; and a rotatable valve body extending through said casing in said bore and formed of a compressible elastic material, said valve body being under compression along that por tion of its surface in contact with the bore surface of said casing in said intermediate zone with the end portions of said body being expanded in said outwardly flared end zones whereby said valve body is maintained within said casing, said valve body being further formed with a channel extending partially around its circumference and disposed in the plane of said fluid conducting passages and said channel being arranged upon a selective rotation of said body to establish communication between a plurality of said passages.

2. In a valve as defined in claim 1, the bore of the casing extending throughout the entire length of the latter, the passages being disposed in an area midway between the end zones of said bore, said body being optionally insertable into the body through either end of the bore, an end assembly mounted by said body and engaging a surface of the casing to limit projection of the body into the bore and said channel aligning with the passages with said body so inserted.

3. In a valve as defined in claim 1 and a circumferential bead forming a part of said body at one of the expanded ends thereof.

References Cited in the file of this patent UNITED STATES PATENTS 2,271,349 Saurer Jan. 27, 1942 2,433,732 Brown Dec. 30, 1947 2,554,489 Crane May 29, 1951 2,711,846 Birchall et al. June 28, 1955 2,832,562 Myers Apr. 29, 1958 2,854,027 Kaiser Sept. 30, 1958 2,936,777 Kistner May 17, 1960 FOREIGN PATENTS 79,452 Norway June 30, 1952 1,116,548 France Feb. 26, 1956 1,133,818 France Nov. 26, 1956

US3012752A 1958-08-14 1958-08-14 Valve assembly Expired - Lifetime US3012752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US3012752A US3012752A (en) 1958-08-14 1958-08-14 Valve assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3012752A US3012752A (en) 1958-08-14 1958-08-14 Valve assembly

Publications (1)

Publication Number Publication Date
US3012752A true US3012752A (en) 1961-12-12

Family

ID=25037394

Family Applications (1)

Application Number Title Priority Date Filing Date
US3012752A Expired - Lifetime US3012752A (en) 1958-08-14 1958-08-14 Valve assembly

Country Status (1)

Country Link
US (1) US3012752A (en)

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189278A (en) * 1962-12-21 1965-06-15 Taco Inc Valve
US3215394A (en) * 1962-04-23 1965-11-02 Sherman Lab Regulable tube clamping device for intravenous injection set
US3276472A (en) * 1963-12-03 1966-10-04 Medex Inc Medical valve
US3305211A (en) * 1965-03-09 1967-02-21 Edwin D Phillips Stressed plastic valve for laboratory glassware
US3325143A (en) * 1964-09-25 1967-06-13 Edwin D Phillips Stressed valve for laboratory glassware
US3393844A (en) * 1966-02-02 1968-07-23 Valve Corp Of America Dispenser and valve construction
US3419248A (en) * 1966-03-23 1968-12-31 Arro Vacuum Inc Valve
US3475002A (en) * 1965-03-09 1969-10-28 Edwin D Phillips Stressed plastic valve for laboratory glassware
US3498037A (en) * 1965-07-20 1970-03-03 Seymour Mfg Co Automatic header control means
US3721265A (en) * 1971-04-29 1973-03-20 Fmc Corp Three-way valve
US3779513A (en) * 1972-05-18 1973-12-18 American Cystoscope Makers Inc Valve
US3782686A (en) * 1971-06-18 1974-01-01 Cowie Scient Ltd Taps
US3788599A (en) * 1972-06-28 1974-01-29 Nosco Plastics Plug valve
US3788602A (en) * 1972-07-19 1974-01-29 Becton Dickinson Co Stopcock
US3889712A (en) * 1972-12-01 1975-06-17 Robert E Fields Valves
DE3019924A1 (en) * 1980-05-24 1981-12-03 Ashauer Ernst Shut-off valve for fluids - is cylindrical and held in chamber aperture by elastic deformation
US4604093A (en) * 1984-06-12 1986-08-05 I-Flow Corporation Apparatus and method for administering multiple fluid infusions
US4667927A (en) * 1985-11-08 1987-05-26 Rao Medical Devices, Inc. Liquid flow metering device
US4961883A (en) * 1989-03-14 1990-10-09 Gerald Jacino Glass break repair apparatus valve and method
US4967797A (en) * 1989-08-16 1990-11-06 Manska Wayne E Tap valve
US5005604A (en) * 1984-07-13 1991-04-09 Aslanian Jerry L Flow control device for administration of intravenous fluids
US5019054A (en) * 1989-11-06 1991-05-28 Mectra Labs, Inc. Medical device valving mechanism
US5046528A (en) * 1989-10-31 1991-09-10 Manska Wayne E Stopcock valve
US5135026A (en) * 1989-08-16 1992-08-04 Manska Wayne E Medical valve having fluid flow indicia
US5203769A (en) * 1989-11-06 1993-04-20 Mectra Labs, Inc. Medical device valving mechanism
US5241990A (en) * 1992-07-10 1993-09-07 Inlet Medical, Inc. Irrigation/aspiration valve and probe for laparoscopy
US5250065A (en) * 1990-09-11 1993-10-05 Mectra Labs, Inc. Disposable lavage tip assembly
US5256160A (en) * 1989-11-06 1993-10-26 Mectra Labs, Inc. Medical device valving mechanism
US5306237A (en) * 1989-11-06 1994-04-26 Mectra Labs, Inc. Disposable lavage
US5338292A (en) * 1989-11-06 1994-08-16 Mectra Labs, Inc. Disposable lavage with instrument shield
US5337780A (en) * 1992-10-19 1994-08-16 Sherwood Medical Company Suction control valve
US5409013A (en) * 1989-11-06 1995-04-25 Mectra Labs, Inc. Tissue removal assembly
US5478537A (en) * 1992-09-24 1995-12-26 Sunburst Chemicals, Inc. Detergent dispenser for use with solid casting detergent
US5505210A (en) * 1989-11-06 1996-04-09 Mectra Labs, Inc. Lavage with tissue cutting cannula
US5527332A (en) * 1994-11-02 1996-06-18 Mectra Labs, Inc. Tissue cutter for surgery
US5797907A (en) * 1989-11-06 1998-08-25 Mectra Labs, Inc. Electrocautery cutter
US5832959A (en) * 1995-10-16 1998-11-10 Becton Dickinson Infusion Therapy Ab Stopcocks
US6012702A (en) * 1997-03-05 2000-01-11 Richard Wolf Gmbh Disassemblable cock
US6070582A (en) * 1996-09-10 2000-06-06 Sherwood Services, Ag Suction control valve
US6193672B1 (en) 1993-05-11 2001-02-27 Mectra Labs, Inc. Lavage
WO2004039446A1 (en) * 2002-10-30 2004-05-13 Telegärtner Kunststofftechnik GmbH Tap
US6843070B1 (en) 2002-02-28 2005-01-18 Snap-On Technologies, Inc. Refrigerant recycling system with single ball valve
US8317741B2 (en) 2009-05-26 2012-11-27 Kraushaar Timothy Y Apparatus and methods for administration of reconstituted medicament
WO2012173598A1 (en) 2011-06-14 2012-12-20 Idex Health & Science Llc Clog resistant fluid pathway
DE102010013481B4 (en) * 2010-03-26 2016-10-20 Hans Berg Gmbh & Co. Kg Abstandshalte- and / or connector
US9757778B1 (en) 2013-10-08 2017-09-12 Joshua Kindelspire System and device for clearing blockage from a flow orifice
US9765899B2 (en) * 2015-11-03 2017-09-19 Stoma Ventures, LLC Disposable dental valve device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2271349A (en) * 1938-02-23 1942-01-27 Firestone Tire & Rubber Co Radiator hose and drain
US2433732A (en) * 1943-08-27 1947-12-30 Dole Valve Co Valve
US2554489A (en) * 1950-04-17 1951-05-29 Max Factor & Co Powder box and dispenser
US2711846A (en) * 1951-04-17 1955-06-28 Fischer & Porter Co Valved glass vessels such as burettes
FR1116548A (en) * 1954-12-23 1956-05-08 Usines D Emballages Van Leer Tap
FR1133818A (en) * 1955-03-11 1957-04-02 advanced tap
US2832562A (en) * 1953-04-28 1958-04-29 Joseph T Myers Light weight plug valve
US2854027A (en) * 1956-12-20 1958-09-30 Albert W Kaiser Disposable-type three-way valve construction
US2936777A (en) * 1957-05-22 1960-05-17 Herman H Kistner Valve seat and sealing valve unit

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2271349A (en) * 1938-02-23 1942-01-27 Firestone Tire & Rubber Co Radiator hose and drain
US2433732A (en) * 1943-08-27 1947-12-30 Dole Valve Co Valve
US2554489A (en) * 1950-04-17 1951-05-29 Max Factor & Co Powder box and dispenser
US2711846A (en) * 1951-04-17 1955-06-28 Fischer & Porter Co Valved glass vessels such as burettes
US2832562A (en) * 1953-04-28 1958-04-29 Joseph T Myers Light weight plug valve
FR1116548A (en) * 1954-12-23 1956-05-08 Usines D Emballages Van Leer Tap
FR1133818A (en) * 1955-03-11 1957-04-02 advanced tap
US2854027A (en) * 1956-12-20 1958-09-30 Albert W Kaiser Disposable-type three-way valve construction
US2936777A (en) * 1957-05-22 1960-05-17 Herman H Kistner Valve seat and sealing valve unit

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215394A (en) * 1962-04-23 1965-11-02 Sherman Lab Regulable tube clamping device for intravenous injection set
US3189278A (en) * 1962-12-21 1965-06-15 Taco Inc Valve
US3276472A (en) * 1963-12-03 1966-10-04 Medex Inc Medical valve
US3325143A (en) * 1964-09-25 1967-06-13 Edwin D Phillips Stressed valve for laboratory glassware
US3305211A (en) * 1965-03-09 1967-02-21 Edwin D Phillips Stressed plastic valve for laboratory glassware
US3475002A (en) * 1965-03-09 1969-10-28 Edwin D Phillips Stressed plastic valve for laboratory glassware
US3498037A (en) * 1965-07-20 1970-03-03 Seymour Mfg Co Automatic header control means
US3393844A (en) * 1966-02-02 1968-07-23 Valve Corp Of America Dispenser and valve construction
US3419248A (en) * 1966-03-23 1968-12-31 Arro Vacuum Inc Valve
US3721265A (en) * 1971-04-29 1973-03-20 Fmc Corp Three-way valve
US3782686A (en) * 1971-06-18 1974-01-01 Cowie Scient Ltd Taps
US3779513A (en) * 1972-05-18 1973-12-18 American Cystoscope Makers Inc Valve
US3788599A (en) * 1972-06-28 1974-01-29 Nosco Plastics Plug valve
US3788602A (en) * 1972-07-19 1974-01-29 Becton Dickinson Co Stopcock
US3889712A (en) * 1972-12-01 1975-06-17 Robert E Fields Valves
DE3019924A1 (en) * 1980-05-24 1981-12-03 Ashauer Ernst Shut-off valve for fluids - is cylindrical and held in chamber aperture by elastic deformation
US4604093A (en) * 1984-06-12 1986-08-05 I-Flow Corporation Apparatus and method for administering multiple fluid infusions
US5005604A (en) * 1984-07-13 1991-04-09 Aslanian Jerry L Flow control device for administration of intravenous fluids
US4667927A (en) * 1985-11-08 1987-05-26 Rao Medical Devices, Inc. Liquid flow metering device
US4961883A (en) * 1989-03-14 1990-10-09 Gerald Jacino Glass break repair apparatus valve and method
US5135026A (en) * 1989-08-16 1992-08-04 Manska Wayne E Medical valve having fluid flow indicia
US4967797A (en) * 1989-08-16 1990-11-06 Manska Wayne E Tap valve
US5046528A (en) * 1989-10-31 1991-09-10 Manska Wayne E Stopcock valve
US5505210A (en) * 1989-11-06 1996-04-09 Mectra Labs, Inc. Lavage with tissue cutting cannula
US5203769A (en) * 1989-11-06 1993-04-20 Mectra Labs, Inc. Medical device valving mechanism
US5019054A (en) * 1989-11-06 1991-05-28 Mectra Labs, Inc. Medical device valving mechanism
US5374244A (en) * 1989-11-06 1994-12-20 Mectra Labs, Inc. Disposable lavage
US5256160A (en) * 1989-11-06 1993-10-26 Mectra Labs, Inc. Medical device valving mechanism
US5306237A (en) * 1989-11-06 1994-04-26 Mectra Labs, Inc. Disposable lavage
US5338292A (en) * 1989-11-06 1994-08-16 Mectra Labs, Inc. Disposable lavage with instrument shield
US5797907A (en) * 1989-11-06 1998-08-25 Mectra Labs, Inc. Electrocautery cutter
US5409013A (en) * 1989-11-06 1995-04-25 Mectra Labs, Inc. Tissue removal assembly
US5250065A (en) * 1990-09-11 1993-10-05 Mectra Labs, Inc. Disposable lavage tip assembly
US5364341A (en) * 1992-07-10 1994-11-15 Inlet Medical Irrigation/aspiration valve and probe for laparoscopy
US5241990A (en) * 1992-07-10 1993-09-07 Inlet Medical, Inc. Irrigation/aspiration valve and probe for laparoscopy
US5549875A (en) * 1992-09-24 1996-08-27 Sunburst Chemicals, Inc. Detergent dispenser for use with solid cast detergent
US5478537A (en) * 1992-09-24 1995-12-26 Sunburst Chemicals, Inc. Detergent dispenser for use with solid casting detergent
US5337780A (en) * 1992-10-19 1994-08-16 Sherwood Medical Company Suction control valve
US6193672B1 (en) 1993-05-11 2001-02-27 Mectra Labs, Inc. Lavage
US5527332A (en) * 1994-11-02 1996-06-18 Mectra Labs, Inc. Tissue cutter for surgery
US5832959A (en) * 1995-10-16 1998-11-10 Becton Dickinson Infusion Therapy Ab Stopcocks
US6070582A (en) * 1996-09-10 2000-06-06 Sherwood Services, Ag Suction control valve
US6012702A (en) * 1997-03-05 2000-01-11 Richard Wolf Gmbh Disassemblable cock
US6843070B1 (en) 2002-02-28 2005-01-18 Snap-On Technologies, Inc. Refrigerant recycling system with single ball valve
WO2004039446A1 (en) * 2002-10-30 2004-05-13 Telegärtner Kunststofftechnik GmbH Tap
US8317741B2 (en) 2009-05-26 2012-11-27 Kraushaar Timothy Y Apparatus and methods for administration of reconstituted medicament
DE102010013481B4 (en) * 2010-03-26 2016-10-20 Hans Berg Gmbh & Co. Kg Abstandshalte- and / or connector
WO2012173598A1 (en) 2011-06-14 2012-12-20 Idex Health & Science Llc Clog resistant fluid pathway
US9757778B1 (en) 2013-10-08 2017-09-12 Joshua Kindelspire System and device for clearing blockage from a flow orifice
US9765899B2 (en) * 2015-11-03 2017-09-19 Stoma Ventures, LLC Disposable dental valve device

Similar Documents

Publication Publication Date Title
US3484121A (en) Cannula extension and connector apparatus
US3583667A (en) Quick-disconnect coupling
US3485239A (en) Self-contained sterile syringe
US3245703A (en) Quick detachable pipe coupling
US3491757A (en) Hypodermic syringe with non-turning tip connector
US3319628A (en) Regulator to control the fluid flow of a suction catheter
US3094283A (en) Lubricating device
US3542024A (en) Hypodermic assembly
US3388705A (en) Universal endotracheal tube coupling or adaptor
US3039463A (en) Gastric suction control device
US3204988A (en) Stab type pipe coupling with gasket back up ring
US3434473A (en) Hypodermic needle unit with integral needle guard
US3502097A (en) Catheter-infuser connector
US5288290A (en) Multi-ported valve assembly
US3525363A (en) Means for controlling the direction of the flow of a liquid or fluid through a selected outlet
US2912999A (en) Fluid check valve
US4198958A (en) Flexible cap and instrument seal for a suction control device in an endoscope
US3620500A (en) Variable aperture fluid flow control apparatus
US3645562A (en) Coupling device
US4445893A (en) Infusion apparatus
US5643216A (en) Patient bracelet having catheter capture integrally formed therewith and methods of making the same
US6027482A (en) Syringe tip cap
US3305211A (en) Stressed plastic valve for laboratory glassware
US3991762A (en) Aspirating device for patient ventilation apparatus
US5306243A (en) Medical valve