CA2109333C - Anchor pad for catheterization system - Google Patents

Anchor pad for catheterization system Download PDF

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Publication number
CA2109333C
CA2109333C CA002109333A CA2109333A CA2109333C CA 2109333 C CA2109333 C CA 2109333C CA 002109333 A CA002109333 A CA 002109333A CA 2109333 A CA2109333 A CA 2109333A CA 2109333 C CA2109333 C CA 2109333C
Authority
CA
Canada
Prior art keywords
retention member
connector
retention
catheter
seat
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
CA002109333A
Other languages
French (fr)
Other versions
CA2109333A1 (en
Inventor
Steven F. Bierman
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.)
Venetec International Inc
Original Assignee
Venetec International Inc
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
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Application filed by Venetec International Inc filed Critical Venetec International Inc
Publication of CA2109333A1 publication Critical patent/CA2109333A1/en
Application granted granted Critical
Publication of CA2109333C publication Critical patent/CA2109333C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A61M2025/024—Holding devices, e.g. on the body having a clip or clamp system
    • 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
    • A61M2025/0253—Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives
    • A61M2025/026—Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives where the straps are releasably secured, e.g. by hook and loop-type fastening devices
    • 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
    • A61M2025/0266—Holding devices, e.g. on the body using pads, patches, tapes or the like

Abstract

An anchor pad (22) is disclosed having a self-adhesive material applied to one surface (26) of the pad (22) and one or more barbed uprights (28) extending from the opposite surface (24) of the pad (22) in order to securely engage the suture holes (14) of a central line catheter (10). The barbs (28) permit slidable engagement with the catheter (10) but prevent disengagement. In order to remove the catheter (10), the barbs (28) can be easily snipped or cut.

Description

e_ -~- ~10~ ~'~3 iSICH'~R PAD FOR CATHETERiZATyGN 3YST~a Background of the Ir:venti or.
°i eld of the _~:v'entic::
The present: invention relates to an anchor gad for a~.
_-~travenous cat:~.eteri~at'~on conr.ec~or, and, more particu 1 arl~: , to an anchor pac. for use Kith a triple-lumen connector.
Descr ipticn of the belated Art It is very common in the treatment of patients to uti lire intr avenous ( "..V" ) ca theter s to introduce f 1 aids and medications directly into the bloodstream. In many cases, arid particularly with respect to cardiac therapy, the IV catheter is introduced into a central line or a larger vein located close to the patient's heart. In such circ'.:mstances, long term infusion t,ipicall.y requires that the catheter remain in 1. place for many days. In order to secure such a central line I'~ catreter ir. pcsi tic>n at the injection site, the IV tubinc l s commonl_i mounted on a t hi n flexible pad or seat -chic'.~. is t;~.en sutured to the patient's ski:. This combinatior. ~~i tiring and pad compr'_.ses a ccnr.ector to =which one cY mcr a c-.her Iv supple~ li-:e:~ haul~g compatible connectors ca~ ~:e a ~ cached . I~ cne~ exa:~x:'.~e , a tr ipl e-lumen ccnnec for se 1 d and=r c:~e brand name A:ZROw~ z;rc Vides thr ee separa to supply lines . or S2CCndarV ~ V ~ ~.UldS Or' :',la:'luc~ _:i j eC tiCn S'_ ~eS .
ilL:mber ~~~ prOb~.6:MS , hOWeVer , _:aVe ar~Sen v~th r °_S~eC=
_.. SllCh CenLr a~ ~~:.°_ _.~.nneC tOr S S',:C:: aS tile Lr _p_e-_':me::
COnneC..Cr deSCr .bed a.DC'v2. _ ~r S t . Sutilrlng t:':e pad ~ : ~~~2 patient's skin is pai::LUI. a lso, wit'.~~. the passage Of ..ime, x:'12 Sutllr 2S ~r °_~;lenLl V tear thr OllC._,h the SOI t p1 aS tiC
mater 13:.
comprising the scaat ef the connector, :.has permitting mOVe~e.~.~
of the connector in the injection site and adding to the pain and discomfort of the patient. Even if they do not tea_~~, t::e sutures may loosen to such an extent that 2 to 3 mm ,...
movement occurs in and out of the injection site. This movement is not only painful to the patient, but also fosters 35 bacteria infections at: the site. It is estimated that there are.approximateiy 50,000 catheter infections per year in the United States, many of which are due to problems such as these described above.
~'1~r!~'; ~ ~ i~ I ~ a~
Thus, there is a need for a more secure means for attachment of a central line catheter to the body of the patient at the injection site.
SUMMARY OF THE INVENTION
The present invention comprises an anchor pad which securely fastens onto the body of the patient by means of an adhesive applied to one planar side ojE the pad. The opposite planar side of the pad includes one or more barbed uprif;hts which engage the suture holes commonly found in typical central line connectors, such as the triple-lumen connector described above. In the preferred embodiment, the barbed uprights correspond to the number, size and spacing of the connector suture holes.
The triple-:lumen connector mounts on the anchor pad of the present invention by aligning the suture holes in the plastic seat of the connector over the barbed uprights on the anchor pad. The connector is then pressed down over the barbs until the connector is secure. The configuration of the barbs permits movement of the connector toward the body of the patient but prevents movement in the opposite direction, thus preventing accidental disengagement.
When it is necessary or desirable to remove the central line connector, the barbs can be easily and quickly snipped off above the connector to allov~~ the connector to lift off of the barbed stumps away from the patient. Thus, the pain and discomfort associated with such central line catheters is avoided, while at the same time providing a secure connection.
Various aspects of this invention are as follows:
An anchoring system for securing a catheterization system to the body of a patient comprising:

-2a-a catheter connector comprising a substantially planar seat having at least one hole formed therein; and an anchoring apparatus comprising:
an adhesive member for secure attachment to the body of the patient; and at least one retention member mounted on said adhesive member, said retention member being configured to insert through said hole of said catheter connector seat and to engage with the catheter connector seat about the hole to prevent accidental disengagement of said catheter connector from said adhesive member, whereby the catheter connector seat is attached to the adhesive member.
An anchoring apparatus for securing a connector of a catheterization system to the body of a patient wherein said connector is provided with a substantially planar seat having holes formed therein of the type used for suturing, the apparatus comprising:
an adhesive member for secure attachment to the body of a patient; and at least one :retention member mounted on said adhesive member spaced and configured to correspond with at least one of said holes iFor receiving said seat of said connector in slidable engagement, said retention member preventing accidental disengagement of said seat, wherein said retention member is barbed, permitting the planar seat of the catheterization system connector t:o move relative to said retention member in only one direction.
A method :For attaching a catheterization connector to a surface, wherein said catheterization connector includes a substantially planar seat A

-2b-having holes formed therein of the type used for suturing, said method comprising the sfieps of:
pro~~iding an anchoring apparatus having an adhesive member and at least one retention member, said retention member extending outwardly from said adhesive member;
placing said. adhesive member on said surface to secure said anchoring apparatus thereon with said retention member extending away from said surface;
inserting said retention member through a hole of the catheterization connector planar seat to prevent unintentional disengagement bei:ween the retention member and the planar seat of the connector.
A method :Eor attaching a catheterization connector to a surface, comprising the steps of:
providing an anchoring apparatus having an adhesive member and at least one retention member, said retention member extending ~~utwarclly from said adhesive member;
configuring said retention member with a plurality of barbs which extend radially toward said adhesive member acute to a longitudin;~l axis of the retention member;
placing said adhesive member on a surface to secure said anchoring ,~pparafius thereon with said retention member extending away from said surface; and coupling said catheterization connector with said retention member in a manner preventing unintentional disengagement between the retention member and the catheterization connector by inserting said retention member into a hole of the catheterization A

._ 21 49 33~
-2c-connector by elastically deforming said barbs to permit said retention member to insert into said hole but to prevent said retention member from extracting from said hole.
A method Eor attaching a catheterization connector to a surface, comprising the steps of:
providing an anchoring apparatus having an adhesive member and at least one retention member, said retention member extending .outwardly from said adhesive member;
placing said adhesive member on said surface to secure said anchoring apparatus thereon with said retention member extending away from said surface;
coupling said catheterization connector with said retention member in a maxui.er preventing unintentional disengagement between the retention member and the catheterization connector;
and severing they retention member between said adhesive member and said connector to permit disengagement between said connector and said adhesive member.
An anchoring apparatus for securing a catheterization connector to a body of a patient, wherein said catheterization connector comprises a substantially planar seat having holes formed therein, said anchoring apparatus comprising:
an adhesive member for secure attachment to the body of a patient; anal a plurality o~f retention members mounted on said adhesive member, said retention members being spaced apart from one another such that the spacing between a plurality of retention ., r 2109 333 -2d-members corresponds with the spacing between a corresponding plurality of holes of the connector seat, whereby the connector seat is attached to said adhesive member by inserting said retention member through t:he corresponding hole.
An anchoring apparatus for securing a connector of a catheterization system to the body of a patient, wherein said catheterization connector comprises a substantially planar seat having holes formed therein, said anchoring apparatus comprising:
an adhesive member for secure attachment to the body of a patient; and at least one retention member mounted on said adhesive member and configured to insert through a corresponding hole of the connector seat .and to engage with the connector seat about the hole to prevent accidental disengagement of the catheterization connector from the adhesive member, whereby the connector seat is attached to the adhesive member.
Brief Description of the Drawings Figure 1 is a perspective view of a typical triple-lumen central line catheter having a seat with a pair of suture holes formed therein.
Figure 2 is a perspective view of the anchor pad of the present invention illustralng a pair of upstanding barbs to receive the suture holes of the connector.
Detailed Description of the Invention Referring to Figures 1, there is shown a typical triple-lumen central line catheter 10 of the type manufactured under A

W~ 92/19309 ~ ~ ~ (~ ~ ~ ~ PCT/US92/03923 the ARROW~ brand name. Although the present invention is illustrated amd described herein in connection with a triple-lumen catheter, it should be understood that the principles of the invention appl~~r equally well to other types of catheters with various configurations.
The triple-lumen catheter 10 of Figure 1 comprises a central plan.3r seat 12 formed of a soft pliable plastic, having a pain of suture holes 14 formed therein. Extending away from the seat: in one direction is a cannula 16 which l0 inserts into the injection site 17 in the body of the patient, in accordance with standard catheterization procedures.
Extending away from the seat in the opposite direction are three lengths: of I'V tubing 18, each ending in a standard IV
connector 20, such ~ns, for example, a lure-type lock or septum cap. These standard IV connectors 20 can receive compatible connectors (not shown) formed on the end of IV supply tubing, or can receive manual injections for administering medication or other fluids directly into a central vein of the patient'.
In order to secure the triple-lumen catheter 10 at the injection site, the seat 12 is typically positioned on the body and sutured to the skin of the patient by means of the suture holes 14. Over time, however, as explained above, the sutures eithear loosen or tear completely through the seat material. The patient experiences pain and discomfort, and risks infection as a result.
Referring to figure 2, there is shown the anchor pad 22 of the present invention comprising a planar pad 24 having a self-adhesive material applied to the bottom surface 26 thereof. The adhesive secures the anchor pad 22 to the patient's body without sutures.
A pair of barbed uprights 28 integrally mount on the opposite side 24 of the pad 22. The barbs 28 are spaced and configured to receive the suture holes 14 on the seat 12 of the triple-lumen catheter 10 (shown in Figure 1). In addition, the' diameter of the cylindrical portion of the uprights (not including the barbs) is sized to slightly deform WO 92/19309 ~ ~ ~ ~ ~ LI ~ PCT/US92/03923-1 the seat of the connector as it press fits onto the pad.
Preferably, the seat deforms elastically to be securely retained on t:he anchor pad.
It will be noted that the barbs 28 elastically germit the seat 12 to pass dorm over the jagged edges of the barbs, but prevent movement of the seat in the opposite direction. Thus, the anchor pad of 'the present invention securely mounts the seat of the triple-lumen catheter on the patient s body. Not only is the p<itient relieved of pain, but the risk of complete or partial disengagement is eliminated.
In order to remove the catheter, the barbs are simply snipped off so that the seat can be easily lifted over the remaining stumps. The pad is then removed from the patient with minimal discomfort. The barbs are constructed from a material which is :Less elastic than the material comprising the connector seat but which is easily severable.
Therefore, the anchor pad of the present invention presents a significant advance in the use and attachment of central line catheters. While the preferred arrangement of the present invention has been illustrated and described, it should be understood that various changes and modifications to the system illustrated will readily come to mind which fall within the scope of the invention as set forth in the appended claims.

Claims (8)

WHAT IS CLAIMED IS:
1. An apparatus for securing a catheter to the body of a patient wherein said catheter is provided with a substantially planar seat having suture holes formed therein, the apparatus comprising:
an adhesive member for secure attachment to the body of the patient; and at least one retention member mounted on said adhesive spaced and configured to correspond with at least one of said suture holes for receiving said seat of said catheter in slidable engagement, said retention member preventing accidental disengagement of said catheter.
2. The apparatus of Claim 1, wherein said retention member is barbed, permitting said slidable movement in one direction only.
3. The apparatus of Claim 2, wherein said apparatus includes a plurality of barbed retention members positioned on said adhesive member so as to be in alignment with said suture holes.
4. The apparatus of Claim 1, wherein the diameter of said retention member is slightly larger than that of said suture hole.
5. A method for anchoring an intravenous catheterization connector to a surface, wherein the catheterization connector includes a substantially planar seat having suture holes formed therein, said method comprising the steps of:
providing an anchoring apparatus having an adhesive member and at least one retention member, said retention member extending outwardly from said adhesive member;
placing said adhesive member on said surface to secure said anchoring apparatus thereon with said retention member extending away from said surface; and inserting said retention member through a suture hole of the catheterization connector planar seat to prevent unintentional disengagement between the retention member and the planar seat of the intravenous catheterization connector.
6. The method of claim 5, additionally comprising the step of configuring said retention member with a plurality of barbs radially extending towards said adhesive member acute to a longitudinal axis of the retention member, and wherein said coupling step comprises inserting said retention member into a hole of said intravenous catheterization connector by elastically deforming said barbs to permit said retention member to insert into said hole but to prevent said retention member from extracting from said hole.
7. The method of Claim 6, additionally comprising the steps of:
providing a plurality of retention members corresponding to the number of holes in said intravenous catheterization connector;
positioning said retention members on said anchoring apparatus such that each retention member position corresponds with a hole position of said intravenous catheterization connector.
8. The method of Claim 5, additionally comprising the step of:
severing the retention member between said adhesive member and said connector to permit disengagement between said connector anti said adhesive member.
CA002109333A 1991-05-08 1992-05-07 Anchor pad for catheterization system Expired - Lifetime CA2109333C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US697,640 1991-05-08
US07/697,640 US5192274A (en) 1991-05-08 1991-05-08 Anchor pad for catheterization system
PCT/US1992/003923 WO1992019309A1 (en) 1991-05-08 1992-05-07 Anchor pad for catheterization system

Publications (2)

Publication Number Publication Date
CA2109333A1 CA2109333A1 (en) 1992-11-09
CA2109333C true CA2109333C (en) 2002-12-10

Family

ID=24801919

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002109333A Expired - Lifetime CA2109333C (en) 1991-05-08 1992-05-07 Anchor pad for catheterization system

Country Status (12)

Country Link
US (1) US5192274A (en)
EP (1) EP0583388B1 (en)
JP (2) JP2002191698A (en)
AT (1) ATE137123T1 (en)
AU (1) AU659174B2 (en)
CA (1) CA2109333C (en)
DE (1) DE69210234T2 (en)
ES (1) ES2089538T3 (en)
GR (1) GR3020410T3 (en)
HK (1) HK190396A (en)
SG (1) SG47490A1 (en)
WO (1) WO1992019309A1 (en)

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