US3194235A - Shielding device for intravenous feeding apparatus - Google Patents

Shielding device for intravenous feeding apparatus Download PDF

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Publication number
US3194235A
US3194235A US307513A US30751363A US3194235A US 3194235 A US3194235 A US 3194235A US 307513 A US307513 A US 307513A US 30751363 A US30751363 A US 30751363A US 3194235 A US3194235 A US 3194235A
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segment
shielding device
needle
cup
patient
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US307513A
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Edith A Cooke
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    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/0246—Holding devices, e.g. on the body fixed on the skin having a cover for covering the holding means
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/26—Cannula supporters

Definitions

  • the present invention relates to'a shielding device for protecting infusion needles during intravenous feeding operations and the like and more particularly to such a shielding device which effectively protects the needle from dislocation after initial placement.
  • Infusion needles employed in the intravenous feeding of blood, plasma, glucose water, salt water, and the like are difiicult to maintain in their intended positions within the vein of a patient.
  • the needle is connected to a flexible supply hose leading from a source of feeding liquid.
  • the needle is inserted into the vein of the patient and constrained in such position by a strip of adhesive tape.
  • a supply hose is usually coiled closely adjacent to the needle to permit limited axial movement of the hose without disturbing the needle and is held in place by a second strip of adhesive tape overlaying the first strip of adhesive tape. With such arrangement, the needle remains substantially exposed and may be easily jarred, bumped, and loosened by inadvertent movement of the patient.
  • Another object is to provide a shielding device which substantially precludes inadvertent dislocation of such a needle during intravenous feeding operations.
  • Another object is to provide a shielding device capable of effectively isolating an infusion needle which absorbs shocks from inadvertent contact of the feeding area with adjacent objects or attendants.
  • FIG. 1 is a top plan view of the shielding device of the present invention disposed in covering relation to an infusion needle and supply hose on a fragmentary representation of a body portion of a patient.
  • FIG. 2 is a transverse vertical section through the shielding device, taken on line 2-2 of FIG. 1.
  • FIG. 3 is a longitudinal vertical section through the shielding device, taken on line 3-3 of FIG. 1.
  • FIG. 4 is a perspective view of the shielding device displaced from the feeding area with its assembled operating position on the body portion of a patient indicated by dashed lines.
  • a shielding device embodying the principles of the present invention provides a hollow elongated cup of unitary construction having a wall 12 of substantially stiff material such as plastic, lightweight metal, or the like.
  • the wall is formed in a pair of conical segments providing a head segment 14 and a body segment 15 which are oppositely tapered from a common integral base line 16 and with the head segment being of more abrupt taper than the body segment;
  • the wall 12 forming the segments 14 and 15 has a continuous oval-shaped lower marginal edge 18.
  • a con- 5 of such arcuate portions is disposed at opposite ends of the base line 16 with a third such arcuate portion disposed in the head segment 14 along the longitudinal axis of the cup.
  • a plurality of circular apertures 27 are formed through the wall 12 in the body segment 15 of the cup to ventilate the interior thereof.
  • the shielding device is adapted to be rested on the body portion 23 of a patient in the position indicated by a dashed line 30 in covering relation to an injection needle 32 having a handle 33.
  • the needle is connected to a supply hose 34 having an extended connecting end 35 adapted to be coupled with a source of infusion liquid, not shown.
  • the needle and supply hose are individually secured to the body portion of the patient by two strips of adhesive tape 37 and 38.
  • the needle 32 is inserted into a blood vessel in the body portion 23 of the patient by manipulation of the handle 33 thereof and is constrained in the position shown in FIG. 4 by the strip of adhesive tape 37.
  • the supply hose 34 connected to the needle is coiled in a substantially flat coil around the handle and secured by the second strip of adhesive 38 in overlaying relation to the first strip 37.
  • the elongated cup 10 of the shielding device is then disposed in covering relation to the needle in the dashed line position 30 of FIG. 4. In such position, the supply hose 34 is extended outwardly of the cup through one of the arcuate portions 25 in the flange 20.
  • the shielding device is held in covering relation to the needle by a pair of strips of adhesive tape 40 and 42.
  • the strip 40 of adhesive tape is positioned flatly against the conical body segment of the wall 12 with the ends thereof adhesively engaging the body portion 23 of the patient.
  • the strip of adhesive tape 42 is disposed flatly against the conical head segment of the wall 12 and the ends thereof extended outwardly of the cup adhesively to engage the body portion of the patient.
  • the mounting strips of adhesive tape 4t and 42 readily conform to the conical shape of the head and body segments of the wall with a minimum of wrinkling which also tend to provide opposite inwardly directed thrust forces on the cup to insure maximum immobility of the cup on the body portion of the patient.
  • the body portion of the patient covered by the shielding device is permitted to breathe by way of the apertures 27 in the wall 12 thereof so as not to be adversely afiected during extended periods of use.
  • the structure of the present invention has provided an improved shielding device for infusion needles which is effective to preclude inadvertent dislocation of the needle after initial placement. Further, the shield readily absorbs shock forces thereagainst and is effective to isolate the needle from such shocks.
  • a shielding device for protecting an infusion needle disposed through a body portion and into a vein of a patient during intravenous feeding from an infusion tub- 111g connected'to such a needle',1whi 5h comprises a hollow cup of unitary construction having a wall of substantially 'stifi material, said cup comprising a frustoconical body,” segment and an integral frusto'conical head segment which are oppositely tapered from:a common rintegralzbase'lin'e; said head segment having a more abrupt taper-than-th'e I taper: of s'aid body segment, said'body segment having -a plurality of apertures therein for ventilation and said walli providing a continuous lower edge defined by the basesof said'body segment and.
  • said flange being provided with a plurality of indentationsbeing adapted to receive the infusion tubing therethroughand to holdlth'e tubing inrf reely axially sliding relation and: said indentations being spaced around the base'of the cup so jihat atleast one indentation is located in the base'of the head segment and at leastone indentation islo cated along the conimonrintegral baseline oi'the twosegrn ent's, j r and connectingmeans mounted'on said walljto holdthei cupon the body portion of; the" patient:

Description

July 13, 1965 E. A. COOKE 3,194,235
SHIELDING DEVICE FOR INTRAVENOUS FEEDING APPARATUS Filed Sept. 9, 1965 K WI EDITH A. COO/(E INVENTOR .4 TTORNE'VS United States Patent 3,194,235 SHIELDING DEVICE FOR INTRAVENOUS FEEDING APPARATUS Edith A. Cooke, 3636 Lamona St., Fresno, Calif. Filed Sept. 9, 1963, Ser. No. 367,513 4 Claims. (Cl. 128-432) The present invention relates to'a shielding device for protecting infusion needles during intravenous feeding operations and the like and more particularly to such a shielding device which effectively protects the needle from dislocation after initial placement.
Infusion needles employed in the intravenous feeding of blood, plasma, glucose water, salt water, and the like are difiicult to maintain in their intended positions within the vein of a patient.- In conventional practice, the needle is connected to a flexible supply hose leading from a source of feeding liquid. The needle is inserted into the vein of the patient and constrained in such position by a strip of adhesive tape. A supply hose is usually coiled closely adjacent to the needle to permit limited axial movement of the hose without disturbing the needle and is held in place by a second strip of adhesive tape overlaying the first strip of adhesive tape. With such arrangement, the needle remains substantially exposed and may be easily jarred, bumped, and loosened by inadvertent movement of the patient. Serious injury may result by movement of the needle within the vein or if completely dislodged therefrom, the feeding material may be lost and the patient deprived of liquid essential to sustain his life. Such problems are especially prevalent during the intravenous feeding of infants, which are difficult to immobilize during such operation.
Therefore, it is a broad object of the present invention to provide an improved shielding device for infusion needles.
Another object is to provide a shielding device which substantially precludes inadvertent dislocation of such a needle during intravenous feeding operations.
Another object is to provide a shielding device capable of effectively isolating an infusion needle which absorbs shocks from inadvertent contact of the feeding area with adjacent objects or attendants.
Other objects and advantages of the present invention will subsequently become more clearly apparent upon reference to the following description in the specification.
In the drawing:
FIG. 1 is a top plan view of the shielding device of the present invention disposed in covering relation to an infusion needle and supply hose on a fragmentary representation of a body portion of a patient.
FIG. 2 is a transverse vertical section through the shielding device, taken on line 2-2 of FIG. 1.
FIG. 3 is a longitudinal vertical section through the shielding device, taken on line 3-3 of FIG. 1.
FIG. 4 is a perspective view of the shielding device displaced from the feeding area with its assembled operating position on the body portion of a patient indicated by dashed lines.
Referring more particularly to the drawing, a shielding device embodying the principles of the present invention provides a hollow elongated cup of unitary construction having a wall 12 of substantially stiff material such as plastic, lightweight metal, or the like. The wall is formed in a pair of conical segments providing a head segment 14 and a body segment 15 which are oppositely tapered from a common integral base line 16 and with the head segment being of more abrupt taper than the body segment;
The wall 12 forming the segments 14 and 15 has a continuous oval-shaped lower marginal edge 18. A con- 5 of such arcuate portions is disposed at opposite ends of the base line 16 with a third such arcuate portion disposed in the head segment 14 along the longitudinal axis of the cup. A plurality of circular apertures 27 are formed through the wall 12 in the body segment 15 of the cup to ventilate the interior thereof.
As best shown in FIG. 4, the shielding device is adapted to be rested on the body portion 23 of a patient in the position indicated by a dashed line 30 in covering relation to an injection needle 32 having a handle 33. The needle is connected to a supply hose 34 having an extended connecting end 35 adapted to be coupled with a source of infusion liquid, not shown. The needle and supply hose are individually secured to the body portion of the patient by two strips of adhesive tape 37 and 38.
Operation The operation of the described embodiment of the subject invention is believed to be clearly apparent and is briefly summarized at this point. The needle 32 is inserted into a blood vessel in the body portion 23 of the patient by manipulation of the handle 33 thereof and is constrained in the position shown in FIG. 4 by the strip of adhesive tape 37. The supply hose 34 connected to the needle is coiled in a substantially flat coil around the handle and secured by the second strip of adhesive 38 in overlaying relation to the first strip 37. The elongated cup 10 of the shielding device is then disposed in covering relation to the needle in the dashed line position 30 of FIG. 4. In such position, the supply hose 34 is extended outwardly of the cup through one of the arcuate portions 25 in the flange 20. The shielding device is held in covering relation to the needle by a pair of strips of adhesive tape 40 and 42. The strip 40 of adhesive tape is positioned flatly against the conical body segment of the wall 12 with the ends thereof adhesively engaging the body portion 23 of the patient. Similarly, the strip of adhesive tape 42 is disposed flatly against the conical head segment of the wall 12 and the ends thereof extended outwardly of the cup adhesively to engage the body portion of the patient. It is noted that the mounting strips of adhesive tape 4t and 42 readily conform to the conical shape of the head and body segments of the wall with a minimum of wrinkling which also tend to provide opposite inwardly directed thrust forces on the cup to insure maximum immobility of the cup on the body portion of the patient. The body portion of the patient covered by the shielding device is permitted to breathe by way of the apertures 27 in the wall 12 thereof so as not to be adversely afiected during extended periods of use.
In view of the foregoing, it is readily apparent that the structure of the present invention has provided an improved shielding device for infusion needles which is effective to preclude inadvertent dislocation of the needle after initial placement. Further, the shield readily absorbs shock forces thereagainst and is effective to isolate the needle from such shocks.
Although the invention has been herein shown and described in what is conceived to be the most practical and preferred embodiment, it is recognized that departures may be made therefrom within the scope of the invention, which is not to be limited to the details disclosed herein but is to be accorded the full scope of the claims so as to embrace any and all equivalent devices and apparatus.
Having described my invention, what -I claim as new and desire to secure by Letters Patent is:
1. A shielding device for protecting an infusion needle disposed through a body portion and into a vein of a patient during intravenous feeding from an infusion tub- 111g connected'to such a needle',1whi 5h comprises a hollow cup of unitary construction having a wall of substantially 'stifi material, said cup comprising a frustoconical body," segment and an integral frusto'conical head segment which are oppositely tapered from:a common rintegralzbase'lin'e; said head segment having a more abrupt taper-than-th'e I taper: of s'aid body segment, said'body segment having -a plurality of apertures therein for ventilation and said walli providing a continuous lower edge defined by the basesof said'body segment and. 'said'head segment an integral flange extended from said'lower edge defining a substantially planar basefor thewall torest against the body-portion of the patient with-the wall in spaced covering relato saidneedle when said needle is disposed through'the body portion andrinto the Vein of the patient, said flange being provided with a plurality of indentationsbeing adapted to receive the infusion tubing therethroughand to holdlth'e tubing inrf reely axially sliding relation and: said indentations being spaced around the base'of the cup so jihat atleast one indentation is located in the base'of the head segment and at leastone indentation islo cated along the conimonrintegral baseline oi'the twosegrn ent's, j r and connectingmeans mounted'on said walljto holdthei cupon the body portion of; the" patient:
2.f The device of claim 1 wherein saidjmeans':foriholding the cup against the [patient comprises aiplu rality-ofi g ,adhesivetape' strips.{ 2 l V L p 7 3. The device. of claimsli wherein the; hollow cup :is .plastiei i 2' n a e V 4, The device of 61311111 1 wherein. two indentations are],
located along the ,comnton integralbase'line.
V -lieferences lCitedfby the-Examineril f UN ED ST ES :PATENTS t;-
RICHARD A'.-"GAUDE;T, .Primar iini i z'eni

Claims (1)

1. A SHIELDING DEVICE FOR PROTECTING AN INFUSION NEEDLE DISPOSED THROUGH A BODY PORTION AN D INTO A VEIN OF A PATIENT DURING INTRAVENOUS FEEDING FROM AN INFUSION TUBING CONNECTED TO SUCH A NEEDLE, WHICH COMPRISES A HOLLOW CUP OF UNITARY CONSTRUCTION HAVING A WALL OF SUBSTANTIALLY STIFF MATERIAL, SAID CUP COMPRISING A FRUSTOCONICAL BODY SEGMENT AND AN INTEGRAL FRUSTOCONICAL HEAD SEGMENT WHICH ARE OPPOSITELY TAPERED FROM A COMMON INTEGRAL BASE LINE, SAID HEAD SEGMENT HAVING A MORE ABRUPT TAPER THAN THE TAPER OF SAID BODY SEGMENT, SAID BODY SEGMENT HAVING A PLURALITY OF APERTURES THEREIN FOR VENTILATION AND SAID WALL PROVIDING A CONTINUOUS LOWER EDGE DEFINED BY THE BASES OF SAID BODY SEGMENT AND SAID HEAD SEGMENT, AN INTEGRAL FLANGE EXTENDED FROM SAID LOWER EDGE DEFINING A SUBSTAN-
US307513A 1963-09-09 1963-09-09 Shielding device for intravenous feeding apparatus Expired - Lifetime US3194235A (en)

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Cited By (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367332A (en) * 1965-08-27 1968-02-06 Gen Electric Product and process for establishing a sterile area of skin
US3782378A (en) * 1972-10-12 1974-01-01 S Page Shield for intravenous feeding apparatus
US3782377A (en) * 1971-09-07 1974-01-01 Illinois Tool Works Sterile plastic shield
US3863631A (en) * 1970-06-02 1975-02-04 Affiliated Hospital Prod Method of applying and securing a needle
US3900026A (en) * 1973-11-19 1975-08-19 William H Wagner Device for holding and protecting intravenous injection needles
US3901226A (en) * 1974-03-29 1975-08-26 Anthony Scardenzan Protective guard for a hypodermic needle
US4009719A (en) * 1975-05-12 1977-03-01 Bio-Medicus, Inc. Protective cover for suture bridge
US4027668A (en) * 1975-12-10 1977-06-07 Dunn Allan R Multi-angle U-shaped hub for infusion member
EP0082596A1 (en) * 1981-11-27 1983-06-29 Baxter Travenol Laboratories, Inc. Aseptic isolation of a skin site
US4453933A (en) * 1981-11-24 1984-06-12 Speaker Mark G Intravenous device
US4517971A (en) * 1982-11-22 1985-05-21 Sorbonne Robert L Guard for venipuncture site and catheter retainer
US4561857A (en) * 1983-03-18 1985-12-31 Sacks Norman L Intravenous filter retainer
US4626246A (en) * 1983-10-17 1986-12-02 Iowa State University Research Foundation Medical drainage apparatus
US4870976A (en) * 1986-10-27 1989-10-03 Denny Thomas A Intravenous injection shield assembly
EP0396497A1 (en) * 1989-05-01 1990-11-07 Century Plastics, Inc. Device and method for treating a shielding device
US4976698A (en) * 1987-10-23 1990-12-11 Stokley Manuel H Intravenous catheter and tubing stabilization device
US5167240A (en) * 1991-07-26 1992-12-01 Progressive Iv's, Inc. Infusion site guard
WO1993006876A1 (en) * 1991-10-11 1993-04-15 Abbott Laboratories Improved catheter site shield
US5349967A (en) * 1993-03-19 1994-09-27 Tennis John M Shield for use by health care personnel during skin injections
US5415642A (en) * 1994-02-03 1995-05-16 Shepherd; Brad Catheter cover
US5449349A (en) * 1994-10-14 1995-09-12 Sallee; Wayne A. Intravenous needle cover/protector
US5468230A (en) * 1993-04-16 1995-11-21 Children's Medical Center Corporation Anesthesia docking station
US5577516A (en) * 1994-03-24 1996-11-26 Stat Emergency Medical Products, Inc. Intravenous catheter support
US5858005A (en) * 1997-08-27 1999-01-12 Science Incorporated Subcutaneous infusion set with dynamic needle
US5865808A (en) * 1993-04-16 1999-02-02 Children's Medical Center Corporation Anesthesia docking station
US5964734A (en) * 1997-12-09 1999-10-12 Peeno; Barbara M. Self adhesive catheter tube
US6099507A (en) * 1997-12-19 2000-08-08 Clinicomed Ag Infusion catheter
US6196503B1 (en) * 1997-07-17 2001-03-06 Constance M. Cernosek Cable-tubing organizer system for medical care environments
GB2386840A (en) * 2002-03-26 2003-10-01 Terence Power Intravenous catheter protector
US20030225377A1 (en) * 2002-06-04 2003-12-04 Betty Hancock Waterproof venipuncture site cover
US20050076921A1 (en) * 2000-06-30 2005-04-14 Rozier Betty M Site guard for intravenous sites and other sensitive areas
US20060270995A1 (en) * 2005-05-26 2006-11-30 Bierman Steven F Anchoring system for use with neonates
US20070055205A1 (en) * 2005-07-14 2007-03-08 Wright Clifford A Protective dressing and methods of use thereof
US20070106222A1 (en) * 2005-10-24 2007-05-10 Bennett Tionne A Intravenous catheter protective cover
US20090105656A1 (en) * 2007-10-19 2009-04-23 Schaeffer Rodney D Medical appliance stabilization device and method for using same
US20090137962A1 (en) * 2007-07-16 2009-05-28 C.R. Bard, Inc. Securement system employing polymeric gel
US20090254039A1 (en) * 2007-12-21 2009-10-08 O'brien Nicole Sams Designer accessory for use with an intracorporeal medical device
US7799001B2 (en) 2002-08-15 2010-09-21 Venetec International, Inc. Catheter securement device
US20100318052A1 (en) * 2009-06-16 2010-12-16 3M Innovative Properties Company Conformable medical dressing with self supporting substrate
US8100862B2 (en) 2005-05-18 2012-01-24 Venetec International, Inc. Insertion site protection device
US8197447B2 (en) 2005-04-19 2012-06-12 Venetec International, Inc. Flexible IV site protector
US8338657B1 (en) 2007-06-01 2012-12-25 Walls Charlene P Medical dressing
US8679066B2 (en) 2009-05-15 2014-03-25 C.R. Bard, Inc. Stabilization device with integrated dressing
US8734400B2 (en) 2008-09-19 2014-05-27 C.R. Bard, Inc. Medical device securement system
US8740852B2 (en) 2009-08-25 2014-06-03 C. R. Bard, Inc. Medical article securement device
US8900196B2 (en) 2011-04-21 2014-12-02 C. R. Bard, Inc. Anchoring system
US20140364810A1 (en) * 2012-01-18 2014-12-11 Pfm Medical Ag Device for covering a catheter access to a human or animal body, in particular a central venous catheter access
US9694130B2 (en) 2009-10-06 2017-07-04 Venetec International, Inc. Stabilizing device having a snap clamp
US9700700B2 (en) 2010-03-03 2017-07-11 Venetec International, Inc. Medical article with rotatable wings
US9731097B2 (en) 2009-10-06 2017-08-15 Venetec International, Inc. Stabilizing device having a locking collet
US9962524B2 (en) 2011-03-11 2018-05-08 Venetec International, Inc. Medical article securement device
US9993619B2 (en) 2007-07-17 2018-06-12 C. R. Bard, Inc. Securement system for a medical article
US10179203B1 (en) * 2016-03-30 2019-01-15 Kathy McArthur Huslage Intravenous (IV) site and medical tubing protection utilizing retractable spool system and associated use thereof
US11020565B2 (en) 2010-07-30 2021-06-01 C. R. Bard, Inc. Securement device
US20210236721A1 (en) * 2009-01-12 2021-08-05 Becton, Dickinson And Company Infusion set and/or patch pump having at least one of an in-dwelling rigid catheter with flexible features and/or a flexible catheter attachment
DE102020204630A1 (en) 2020-04-09 2021-10-14 Daniela Kleinjung Protective shell for medical cover
EP3810248A4 (en) * 2018-06-25 2022-04-27 Novonate, Inc. Systems and methods for securing catheters
US11896783B2 (en) 2016-12-27 2024-02-13 Vasonics, Inc. Catheter housing

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GB641061A (en) * 1947-09-06 1950-08-02 James Donald Maclaurin Improvements in method of treating wounds
DE831757C (en) * 1950-02-22 1952-07-10 Dr Erich Heuckeroth Indwelling cannula
US2831487A (en) * 1954-12-03 1958-04-22 Maxine A Tafilaw Catheter device

Cited By (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367332A (en) * 1965-08-27 1968-02-06 Gen Electric Product and process for establishing a sterile area of skin
US3863631A (en) * 1970-06-02 1975-02-04 Affiliated Hospital Prod Method of applying and securing a needle
US3885560A (en) * 1970-06-02 1975-05-27 Affiliated Hospital Prod Needle assembly having a folded bandage handle
US3782377A (en) * 1971-09-07 1974-01-01 Illinois Tool Works Sterile plastic shield
US3782378A (en) * 1972-10-12 1974-01-01 S Page Shield for intravenous feeding apparatus
US3900026A (en) * 1973-11-19 1975-08-19 William H Wagner Device for holding and protecting intravenous injection needles
US3901226A (en) * 1974-03-29 1975-08-26 Anthony Scardenzan Protective guard for a hypodermic needle
US4009719A (en) * 1975-05-12 1977-03-01 Bio-Medicus, Inc. Protective cover for suture bridge
US4027668A (en) * 1975-12-10 1977-06-07 Dunn Allan R Multi-angle U-shaped hub for infusion member
US4453933A (en) * 1981-11-24 1984-06-12 Speaker Mark G Intravenous device
EP0082596A1 (en) * 1981-11-27 1983-06-29 Baxter Travenol Laboratories, Inc. Aseptic isolation of a skin site
US4517971A (en) * 1982-11-22 1985-05-21 Sorbonne Robert L Guard for venipuncture site and catheter retainer
US4561857A (en) * 1983-03-18 1985-12-31 Sacks Norman L Intravenous filter retainer
US4626246A (en) * 1983-10-17 1986-12-02 Iowa State University Research Foundation Medical drainage apparatus
US4870976A (en) * 1986-10-27 1989-10-03 Denny Thomas A Intravenous injection shield assembly
US4976698A (en) * 1987-10-23 1990-12-11 Stokley Manuel H Intravenous catheter and tubing stabilization device
EP0396497A1 (en) * 1989-05-01 1990-11-07 Century Plastics, Inc. Device and method for treating a shielding device
US5074847A (en) * 1989-05-01 1991-12-24 Century Plastics, Inc. Needle shield with transparency maintaining coating
US5167240A (en) * 1991-07-26 1992-12-01 Progressive Iv's, Inc. Infusion site guard
WO1993002719A1 (en) * 1991-07-26 1993-02-18 Progressive Iv's, Inc. Infusion site guard
US5238010A (en) * 1991-10-11 1993-08-24 Abbott Laboratories Catheter site shield
WO1993006876A1 (en) * 1991-10-11 1993-04-15 Abbott Laboratories Improved catheter site shield
US5349967A (en) * 1993-03-19 1994-09-27 Tennis John M Shield for use by health care personnel during skin injections
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