US20070073227A1 - Disposable sleeve for assisting in venous catheterization - Google Patents

Disposable sleeve for assisting in venous catheterization Download PDF

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Publication number
US20070073227A1
US20070073227A1 US11/537,081 US53708106A US2007073227A1 US 20070073227 A1 US20070073227 A1 US 20070073227A1 US 53708106 A US53708106 A US 53708106A US 2007073227 A1 US2007073227 A1 US 2007073227A1
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United States
Prior art keywords
sleeve
extremity
hand
forearm
heater
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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.)
Abandoned
Application number
US11/537,081
Inventor
Karen Hewes
Scott Augustine
Mark Albrecht
Randall Arnold
Thomas Neils
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Augustine Biomedical and Design LLC
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Augustine Biomedical and Design LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Augustine Biomedical and Design LLC filed Critical Augustine Biomedical and Design LLC
Priority to US11/537,081 priority Critical patent/US20070073227A1/en
Assigned to AUGUSTINE BIOMEDICAL AND DESIGN LLC reassignment AUGUSTINE BIOMEDICAL AND DESIGN LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ALBRECHT, MARK C., ARNOLD, RANDALL C., AUGUSTINE, SCOTT D., HEWES, KAREN, NEILS, THOMAS F.
Publication of US20070073227A1 publication Critical patent/US20070073227A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0001—Body part
    • A61F2007/0029—Arm or parts thereof
    • A61F2007/0034—Lower arm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A61F2007/0295—Compresses or poultices for effecting heating or cooling for heating or cooling or use at more than one temperature
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54

Definitions

  • IV catheters for the administration of medicines, fluids or blood.
  • Catheterization is typically accomplished by placing a rubber tourniquet around an extremity, for example a forearm, proximal to the planned point of catheterization.
  • the tourniquet causes compression of the superficial veins without compressing the associated arteries. Therefore, the blood is pumped through the arteries past the tourniquet into the distal extremity. Since the veins are compressed, the blood is prevented from returning to the heart.
  • the veins typically dilate due to the increased intravascular pressure and are thus more visible and easier to access with the needle or catheter. Once the dilated vein is identified, the skin is cleaned and usually numbed with a local anesthetic. The needle or catheter is then inserted into the dilated vein.
  • Catheterization can be difficult to accomplish in infants and children, obese patients, patients with darker skin, IV drug abusers and patients receiving chemotherapy for cancer. Additionally, any patient can be difficult to cannulate if he or she is cold, frightened, apprehensive or dehydrated. This commonly occurs in patients that are injured or are about to undergo surgery. In these situations, veins are actively constricted by the sympathetic nervous system and, therefore, will not dilate in response to an increase in intravenous pressure. Even the application of a tourniquet may not cause the veins to visibly dilate.
  • Certain embodiments pertain to a disposable sleeve for assisting in venous catherization that can be used in combination with a heater for protecting the patient's extremity from contamination by soiled heaters.
  • the disposable sleeve also protects the heater from contamination by the patient.
  • the disposable sleeve can also be used separately from the heater.
  • FIG. 1 is top view of a disposable sleeve according to an embodiment
  • FIG. 2 is a side perspective view of a disposable sleeve and heater according to an embodiment
  • FIG. 3 is a side perspective view of a disposable sleeve and tourniquet according to an embodiment.
  • FIG. 4 is a top perspective view of a disposable sleeve in an open configuration according to an embodiment.
  • FIGS. 1-4 illustrate a disposable sleeve 400 according to certain embodiments.
  • the sleeve 400 can be made of an inexpensive, disposable material and can be used with any heater known in the art. In many cases, the heater is one that fits in close contact with an extremity. Heaters in close contact with the extremity are more likely to cause cross-contamination if the heater is not cleaned.
  • the sleeve is used with a heater according to any of the embodiments described in concurrently filed U.S. patent application for HEATER FOR ASSISTING IN VENOUS CATHETERIZATION, Practitioner Docket No. 49278.2.6.2.
  • the sleeve 400 can be tube-shaped or truncated conical-shaped and includes a proximal edge 54 , a distal edge 55 , a side edge 52 and a side edge 53 . In some cases, the proximal edge 54 is open and the distal edge 55 is closed.
  • the sleeve 400 can also be long enough to accommodate the entire forearm of a patient and extend at least 2-3 inches above the elbow when the forearm and hand are inserted. With reference to FIG. 2 , the extension above the elbow allows a tourniquet 60 to be placed over the sleeve 400 above the elbow, protecting the arm from microbial contamination from the tourniquet and preventing uncomfortable hair pulling by the tourniquet.
  • the sleeve 400 can be made from many flexible, inexpensive and water-resistant materials.
  • the sleeve 400 is made of fibrous polymeric materials that include but are not limited to materials such as polyethylene, polypropylene, polyester, rayon, nylon or cellulose, are suitable for this purpose. These fibrous materials can be extruded into a non-woven fabric or several layers of non-woven fabric laminated together such as SMS (spun-bond, melt-blown, spun-bond), or are a layer of non-woven fabric that is laminated to a layer of polymeric film.
  • the sleeve 400 can be made from two layers of the fibrous material that are bonded along each side edge 52 , 53 and at the distal edge 55 .
  • the sleeve can be made from a single piece of fibrous material that has been folded and then bonded along one side edge 52 or 53 and along the distal edge 55 .
  • the bonding can be a simple heat seal or it can be a more complex ultrasound or radio frequency bond. Alternately, the bond can be an adhesive.
  • the sleeve 400 can have one or more perforated tear lines running longitudinally from the proximal edge 54 towards the distal edge 55 .
  • two perforated tear lines 58 a , 58 b are provided adjacent to each other to form a tear strip 59 .
  • the tear lines 58 a , 58 b run all the way to the distal edge.
  • the tear lines 58 a , 58 b do not run all the way to the edge, but leave a closed distal edge when the tear strip 59 is removed.
  • only a single tear line is provided.
  • the sleeve 400 will now be described with reference to a forearm and hand.
  • the patient's forearm and hand 50 are inserted into the proximal edge 54 of the sleeve 400 so that the hand reaches the closed distal edge 55 .
  • the sleeve-protected forearm and hand 50 are then placed into a heater 70 and heating is performed.
  • the heater 70 can be any heater known in the art and can include a heater in any of the embodiments described in concurrently filed U.S. Patent Application for HEATER FOR ASSISTING IN VENOUS CATHETERIZATION, Practitioner Docket No. 49278.2.6.2.
  • the clinician can place a tourniquet 60 around the arm, for example, around the exposed proximal portion of the sleeve positioned on the upper arm of the patient.
  • the clinician can then remove the heater from the patient.
  • the tear strip 59 in the sleeve can be partially or fully removed by pulling it from the distal edge, opening the upper side of the sleeve and exposing the patient's hand without disrupting the tourniquet.
  • the IV is then started in the usual fashion.
  • the lower side of the sleeve remains underneath the hand and serves as a water-resistant drape that collects any blood spilled during the IV procedure.
  • the tourniquet is removed and the remaining tear strip is also removed so that the sleeve can be removed without dislodging the IV and tubing.

Abstract

Certain embodiments pertain to a disposable sleeve for assisting in venous catherization that can be used in combination with a heater for protecting the patient's extremity from contamination by soiled heaters. The disposable sleeve also protects the heater from contamination by the patient.

Description

    PRIORITY CLAIM
  • The present application claims priority to provisional application Ser. No. 60/722,241 entitled: DISPOSABLE SLEEVE AND ELECTRIC HEATER FOR ASSISTING IN INTRAVENOUS CATHERIZATION, filed on Sep. 29, 2005 and to provisional application Ser. No. 60/722,256 entitled: HEATING CUFF, also filed on Sep. 29, 2005, each being hereby incorporated by reference in its entirety.
    • RELATED APPLICATION
  • The present application is related to the following commonly assigned utility patent application, filed concurrently herewith, and which is hereby incorporated by reference in its entirety: HEATER FOR ASSISTING IN VENOUS CATHETERIZATION, Practitioner Docket No. 49278.2.6.2.
    • BACKGROUND
  • Catheterization of human veins with needles and catheters is a common medical procedure. Clinicians frequently need to access patients' veins in order to draw blood for laboratory testing or for placement of intravenous (IV) catheters, for the administration of medicines, fluids or blood.
  • Catheterization is typically accomplished by placing a rubber tourniquet around an extremity, for example a forearm, proximal to the planned point of catheterization. The tourniquet causes compression of the superficial veins without compressing the associated arteries. Therefore, the blood is pumped through the arteries past the tourniquet into the distal extremity. Since the veins are compressed, the blood is prevented from returning to the heart. The veins typically dilate due to the increased intravascular pressure and are thus more visible and easier to access with the needle or catheter. Once the dilated vein is identified, the skin is cleaned and usually numbed with a local anesthetic. The needle or catheter is then inserted into the dilated vein.
  • Catheterization can be difficult to accomplish in infants and children, obese patients, patients with darker skin, IV drug abusers and patients receiving chemotherapy for cancer. Additionally, any patient can be difficult to cannulate if he or she is cold, frightened, apprehensive or dehydrated. This commonly occurs in patients that are injured or are about to undergo surgery. In these situations, veins are actively constricted by the sympathetic nervous system and, therefore, will not dilate in response to an increase in intravenous pressure. Even the application of a tourniquet may not cause the veins to visibly dilate.
  • It has been known that application of heat to the skin of an extremity, such as a forearm, helps to reduce vasoconstriction and dilate veins. Heaters have been developed that can be applied to an extremity. Many of these heaters are applied in direct contact with the extremity and must be cleaned between patients to avoid cross-contamination. A patient's bodily fluids may contaminate the heater, and therefore it must be cleaned before the heater is used on the next patient. The cleaning of medical equipment is both expensive and inefficient.
  • There is a need for an improved method of applying heat to an extremity that is safe, clean, easy to perform, and prevents-cross contamination. There is also a need for a disposable sleeve that can be used in conjunction with a heater to protect the patient from cross-contamination.
    • SUMMARY
  • Certain embodiments pertain to a disposable sleeve for assisting in venous catherization that can be used in combination with a heater for protecting the patient's extremity from contamination by soiled heaters. The disposable sleeve also protects the heater from contamination by the patient. The disposable sleeve can also be used separately from the heater.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is top view of a disposable sleeve according to an embodiment;
  • FIG. 2 is a side perspective view of a disposable sleeve and heater according to an embodiment;
  • FIG. 3 is a side perspective view of a disposable sleeve and tourniquet according to an embodiment; and
  • FIG. 4 is a top perspective view of a disposable sleeve in an open configuration according to an embodiment.
    • DETAILED DESCRIPTION
  • The following detailed description is exemplary in nature and is not intended to limit the scope, applicability, or configuration of the invention in any way. Rather, the following description provides practical illustrations for implementing exemplary embodiments of the present invention.
  • A disposable sleeve is provided for use in conjunction with a heater to assist in venous catherization. FIGS. 1-4 illustrate a disposable sleeve 400 according to certain embodiments. The sleeve 400 can be made of an inexpensive, disposable material and can be used with any heater known in the art. In many cases, the heater is one that fits in close contact with an extremity. Heaters in close contact with the extremity are more likely to cause cross-contamination if the heater is not cleaned. In some embodiments, the sleeve is used with a heater according to any of the embodiments described in concurrently filed U.S. patent application for HEATER FOR ASSISTING IN VENOUS CATHETERIZATION, Practitioner Docket No. 49278.2.6.2.
  • The sleeve 400 can be tube-shaped or truncated conical-shaped and includes a proximal edge 54, a distal edge 55, a side edge 52 and a side edge 53. In some cases, the proximal edge 54 is open and the distal edge 55 is closed. The sleeve 400 can also be long enough to accommodate the entire forearm of a patient and extend at least 2-3 inches above the elbow when the forearm and hand are inserted. With reference to FIG. 2, the extension above the elbow allows a tourniquet 60 to be placed over the sleeve 400 above the elbow, protecting the arm from microbial contamination from the tourniquet and preventing uncomfortable hair pulling by the tourniquet.
  • The sleeve 400 can be made from many flexible, inexpensive and water-resistant materials. In some cases, the sleeve 400 is made of fibrous polymeric materials that include but are not limited to materials such as polyethylene, polypropylene, polyester, rayon, nylon or cellulose, are suitable for this purpose. These fibrous materials can be extruded into a non-woven fabric or several layers of non-woven fabric laminated together such as SMS (spun-bond, melt-blown, spun-bond), or are a layer of non-woven fabric that is laminated to a layer of polymeric film.
  • The sleeve 400 can be made from two layers of the fibrous material that are bonded along each side edge 52, 53 and at the distal edge 55. Alternately, the sleeve can be made from a single piece of fibrous material that has been folded and then bonded along one side edge 52 or 53 and along the distal edge 55. The bonding can be a simple heat seal or it can be a more complex ultrasound or radio frequency bond. Alternately, the bond can be an adhesive.
  • The sleeve 400 can have one or more perforated tear lines running longitudinally from the proximal edge 54 towards the distal edge 55. In the illustrated embodiments, two perforated tear lines 58 a, 58 b are provided adjacent to each other to form a tear strip 59. In some cases, the tear lines 58 a, 58 b run all the way to the distal edge. In other cases, the tear lines 58 a, 58 b do not run all the way to the edge, but leave a closed distal edge when the tear strip 59 is removed. In other embodiments, only a single tear line is provided.
  • The use of the sleeve 400 will now be described with reference to a forearm and hand. As shown in FIG. 1, before applying a heater to a forearm, the patient's forearm and hand 50 are inserted into the proximal edge 54 of the sleeve 400 so that the hand reaches the closed distal edge 55. As shown in FIG. 2, the sleeve-protected forearm and hand 50 are then placed into a heater 70 and heating is performed. The heater 70 can be any heater known in the art and can include a heater in any of the embodiments described in concurrently filed U.S. Patent Application for HEATER FOR ASSISTING IN VENOUS CATHETERIZATION, Practitioner Docket No. 49278.2.6.2.
  • The clinician can place a tourniquet 60 around the arm, for example, around the exposed proximal portion of the sleeve positioned on the upper arm of the patient. The clinician can then remove the heater from the patient. As shown in FIGS. 3 and 4, the tear strip 59 in the sleeve can be partially or fully removed by pulling it from the distal edge, opening the upper side of the sleeve and exposing the patient's hand without disrupting the tourniquet. The IV is then started in the usual fashion. As shown in FIG. 4, the lower side of the sleeve remains underneath the hand and serves as a water-resistant drape that collects any blood spilled during the IV procedure. Once the IV is successfully started, the tourniquet is removed and the remaining tear strip is also removed so that the sleeve can be removed without dislodging the IV and tubing.

Claims (14)

1. A disposable sleeve for assisting in venous catheterization, comprising:
a flexible material forming a sidewall of an elongate, generally tubular cavity, the sidewall adapted to extend over the hand and forearm of a patient;
a proximal edge forming a proximal opening to the cavity;
a distal edge forming a closed end, the closed end trapping the hand when the hand and forearm are inserted into the cavity through the proximal opening; and
perforated tear lines in the flexible material forming a tear strip, the tear lines running longitudinally from the proximal edge towards the distal edge.
2. The sleeve of claim 1, wherein the tear lines terminate longitudinally short of the distal edge.
3. The sleeve of claim 1, wherein the proximal edge extends at least 2 inches above an elbow when the forearm is inserted.
4. The sleeve of claim 1, wherein the flexible material comprises a water-resistant material.
5. The sleeve of claim 4, wherein the flexible material includes a fibrous polymeric material.
6. The sleeve of claim 4, wherein the flexible material includes a non-woven fabric.
7. A heating system for heating a forearm and hand of a patient for assisting in venous catheterization, the system comprising:
a heater sized to generally surround the forearm and hand;
a disposable sleeve adapted to fit within the heater, the disposable sleeve comprising:
a flexible material forming a sidewall of an elongate, generally tubular cavity, the sidewall adapted to extend over the hand and forearm of a patient;
a proximal edge forming a proximal opening to the cavity;
a distal edge forming a closed end, the closed end trapping the hand when the hand and forearm are inserted into the cavity through the proximal opening; and
at least one tear line in the flexible material, the at least one tear line running longitudinally from the proximal edge towards the distal edge.
8. The system of claim 7, wherein the heater is positioned in close contact with the forearm and hand.
9. The system of claim 7, wherein the at least one tear line terminates longitudinally short of the distal edge.
10. The system of claim 7, wherein the proximal edge extends at least 2 inches above an elbow when the forearm and hand are inserted.
11. The system of claim 7, wherein the flexible material comprises a water-resistant material.
12. The system of claim 11, wherein the flexible material includes a fibrous polymeric material.
13. The system of claim 11, wherein the flexible material includes a non-woven fabric.
14. A method for facilitating a venous catherization procedure at an extremity of a patient, the method comprising:
inserting the extremity into a disposable sleeve to form a sleeve-protected extremity, the disposable sleeve comprising an open proximal edge, a closed distal edge, and a tear strip separated by perforated tear lines, the tear lines running longitudinally from the proximal towards the distal edge;
inserting the sleeve-protected extremity into a heater;
using the heater to apply heat to the sleeve-protected extremity;
placing a tourniquet around an upper portion of the sleeve-protected extremity;
removing the heater from the sleeve-protected extremity;
removing at least part of the tear strip to expose the extremity; and
and performing the venous catherization procedure on the extremity.
US11/537,081 2005-09-29 2006-09-29 Disposable sleeve for assisting in venous catheterization Abandoned US20070073227A1 (en)

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Application Number Priority Date Filing Date Title
US11/537,081 US20070073227A1 (en) 2005-09-29 2006-09-29 Disposable sleeve for assisting in venous catheterization

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US72224105P 2005-09-29 2005-09-29
US72225605P 2005-09-29 2005-09-29
US11/537,081 US20070073227A1 (en) 2005-09-29 2006-09-29 Disposable sleeve for assisting in venous catheterization

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US11/537,081 Abandoned US20070073227A1 (en) 2005-09-29 2006-09-29 Disposable sleeve for assisting in venous catheterization

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US20130125901A1 (en) * 2010-10-20 2013-05-23 Christos Pitaoulis Disposable radial access catheterization sleeve
US20140116451A1 (en) * 2011-01-14 2014-05-01 Fereshteh K. Maynard Medical Hand and Arm Protection Apparatus and Method of Protection
US20150134034A1 (en) * 2013-11-08 2015-05-14 Encompass Group, Llc Vasodilation sleeve and method of vasodilating a limb
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US7825356B2 (en) 2010-11-02
WO2007041207A2 (en) 2007-04-12
US20070068932A1 (en) 2007-03-29
WO2007041207A3 (en) 2007-05-24

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