Source: https://patents.google.com/patent/US9707349B2/en
Timestamp: 2019-02-20 14:40:46
Document Index: 449403759

Matched Legal Cases: ['Application No. 60', 'art 2', 'Application No. 2008269133', 'Application No. 582395', 'Application No. 2012258435', 'Application No. 2', 'Application No. 2', 'Application No. 582395', 'Application No. 2', 'Application No. 582395', 'Application No. 603404', 'Application No. 2008269133', 'Application No. 2008269133', 'Application No. 623139', 'Application No. 623141', 'Application No. 624449', 'Application No. 201310087320', 'Application No. 2013100345', 'Application No. 2008269133', 'Application No. 2', 'Application No. 200880103854', 'Application No. 2013', 'Application No. 10', 'Application No. 200880103854', 'Application No. 200880103854']

US9707349B2 - Antiseptic cap - Google Patents
Antiseptic cap Download PDF
US9707349B2
US9707349B2 US13/649,569 US201213649569A US9707349B2 US 9707349 B2 US9707349 B2 US 9707349B2 US 201213649569 A US201213649569 A US 201213649569A US 9707349 B2 US9707349 B2 US 9707349B2
circumferentially spaced
US13/649,569
US20130035667A1 (en
2012-04-26 Priority to US13/456,853 priority patent/US8968268B2/en
2012-10-11 Application filed by Excelsior Medical Corp filed Critical Excelsior Medical Corp
2012-10-11 Assigned to EXCELSIOR MEDICAL CORPORATION reassignment EXCELSIOR MEDICAL CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HENNIGER, GARY, WILSON, MARK, ANDERSON, WILLIAM, COLQUITT, LARRY
2012-10-11 Priority to US13/649,569 priority patent/US9707349B2/en
2013-02-07 Publication of US20130035667A1 publication Critical patent/US20130035667A1/en
2017-07-18 Publication of US9707349B2 publication Critical patent/US9707349B2/en
This application is a continuation of U.S. patent application Ser. No. 13/456,853 filed on Apr. 26, 2012, which is a continuation of U.S. patent application Ser. No. 11/821,190 filed on Jun. 22, 2007, now U.S. Pat. No. 8,167,847, which claims the benefit of U.S. Provisional Application No. 60/815,806 filed on Jun. 22, 2006, the entire disclosures of which are all expressly incorporated herein by reference.
Catheters, especially chronic venous catheters, provide challenges in their use. One such challenge is that such catheters can become occluded by a thrombus. In order to prevent clotting of catheters in blood vessels between uses, such as, for example, between dialysis treatments when the catheter is essentially nonfunctioning and dwells inside a “central” vein (i.e. superior vena cava, inferior vena cava, iliac, etc.), the lumens of the catheter are often filled with a lock solution of a concentrated solution of the commonly used anticoagulant, heparin (up to 10,000 units of heparin per catheter lumen).
FIG. 37 shows a side view in cutaway of an antiseptic cap docking to a valve with the antiseptic cap having an antiseptic coating; and
It is desirable that during the rotation of the syringe barrel that the antiseptic cap assembly 80 does not rotate with respect to the housing and/or optionally that the plunger assembly 12 does not rotate with respect to the syringe barrel 14 so that the threads 88 of the antiseptic cap can, fully engage the threads of the access site. The present invention provides a mechanism associated with the assembly 10 for preventing the rotation of the antiseptic cap assembly 80 with respect to the plunger assembly 12 and more preferably a mechanism on either the plunger assembly or on the antiseptic cap 80 to prevent relative rotational movement between the antiseptic cap 80 and the plunger assembly 12. In an even more preferred form of the invention, the mechanism for preventing relative rotation of the antiseptic cap 80 with respect to the plunger assembly 12 has mating portions on both parts that when assembled cooperatively engage one another to prevent relative rotation. It is also contemplated that a separate mechanism, device or member could be used to lock the two parts together to achieve this purpose.
If a user of the assembly 10 grasps the assembly 10 by the antiseptic cap and plunger assembly 12, then the interlocking structures between the piston assembly 12 and the syringe barrel 14 would not necessarily be needed. Accordingly, FIGS. 5, 9-11 show exemplary structures for locking the antiseptic cap assembly 80 inside the housing 60 so that these parts rotate together and one part does not rotate in a direction or at a rate different from that of the other part. Further, FIGS. 15-18 show exemplary structures for interlocking the antiseptic cap plunger assembly 12 with the syringe barrel 14.
In another preferred form of the invention the housing and the cap each have a feature or structure that cooperatively engage one another to prevent relative rotation of the cap 80 and the housing 60. FIG. 5 shows one preferred form of the invention having a plurality of circumferentially spaced and axially extending ribs 100 on the internal surface 87 of the housing side wall (internal ribs 100) for engaging the wall 62 of the antiseptic cap to lock the cap in place to prevent rotation of the cap when positioned inside the housing 60. In a preferred form of the invention, the internal ribs 100 extend from a bottom wall 102 up to an intermediate height of the housing sidewall 62. In a preferred form of the invention the internal ribs 100 will have a height roughly equal to a height of the cap 82. A plurality of internal slots 108 are defined between each set of adjacent internal ribs 100. The internal ribs 100, in a preferred form of the invention, will have a width that tapers inwardly from proximate the bottom wall 102 to a top 104 of the internal ribs so that the width of the internal ribs decrease from a bottom 106 of a rib to the top 104 of the rib. Also, it is preferable that the top of the internal ribs have a generally arcuate profile to act as a lead-in during insertion of the antiseptic cap into the housing 60. Also, extending from the internal surface 87 of the cap 82 is detent 109 positioned proximate a top portion of the side wall 62.
FIG. 18 shows another embodiment of a locking feature to prevent rotation of the plunger assembly 12 with respect to the syringe barrel 14. In this embodiment an annular protuberance 160 positioned on an interior surface of the syringe barrel at its proximal end engages an annular detent 162 on an outside surface of the plunger rod. This captures the plunger rod such that reflux is reduced.
It is contemplated that the antiseptic cap 80 of the present invention need not be coupled or combined with a plunger or a piston. FIGS. 22a, b show an antiseptic cap 200 having three circumferentially spaced ribs 120 for grasping by the hand of a user of the cap. FIG. 22a shows the cap without a sponge and FIG. 22b shows the cap with a sponge. The cap 200 can be used for the same purposes of the cap 80 described above but will be assembled to the catheter by hand. All other features of the cap 200 are essentially the same as described above with the exception that the cap 200 does not have to be dimensioned to fit within a chamber carried by a syringe plunger. FIGS. 23 and 24 show varying frequency of ribs 120 and varying shapes and sizes.
Suitable sponges of the present invention can include any sponge suitable for use for medical purposes and can be naturally occurring or synthetic. The sponges can be die cut into suitable shapes or can be molded into the desired shape. It is desirable that the sponge 86 be attached to the antiseptic cap to prevent the sponge from inadvertently falling out of the cap. FIG. 28 shows the cap 200 is captured between an annular wall 202 and a disc 204 attached to the cap by any suitable method such as ultrasonic or vibrational welding or other techniques well known in the art. FIGS. 29 and 30 show a variation on the cap of FIG. 28 and holds the sponge in place with a plastic sheet 206 heat welded to the cap. In one preferred form of the invention the sponge is attached by an adhesive or by other method to form an assembly which is then attached to the cap.
FIG. 31a, b show the cap 200 having a coaxially disposed and axially extending actuating post 220 circumferentially surrounded by a sponge 86 having a centrally positioned hole to fit over the post 220. FIG. 31a shows the cap 200 in initial engagement with the access site 39 and FIG. 31b shows the cap threaded onto the access site 39 and the actuating post opens the valve 39 an antiseptic fluid is allowed to flow into the valve.
1. An antiseptic cap assembly for use with an access site comprising:
a generally cylindrical side wall comprising an inner surface and an external surface, the generally cylindrical side wall defining a first chamber having an open first end and closed-second end,
a flange extending radially outwardly from the generally cylindrical side wall, and
a plurality of circumferentially spaced cap ribs on the external surface, the plurality of circumferentially spaced cap ribs extending radially outwardly from and axially along the generally cylindrical side wall,
wherein the plurality of circumferentially spaced cap ribs being proximate to the flange and extending towards the closed second end, each of the plurality of circumferentially spaced cap ribs having a bottom surface on the generally cylindrical side wall and a ridge wall that extends away from the generally cylindrical side wall to form an elongated protrusion;
an absorbent material within the cap having an antiseptic substance prior to contacting a distal surface of the access site; and
an outer wall and an inner surface defining a second chamber for receiving the cap,
a foil seal removably attached to the outer wall to maintain the cap in an antiseptic state prior to use, and
a plurality of circumferentially spaced housing ribs on the inner surface and extending from a closed end of the housing, the plurality of circumferentially spaced housing ribs configured to engage the plurality of circumferentially spaced cap ribs.
2. The antiseptic cap assembly of claim 1, wherein the absorbent material being positioned within the first chamber against the closed second end.
3. The antiseptic cap assembly of claim 2, wherein the antiseptic substance comprising a liquid, the liquid being releasably retained within the absorbent material.
4. The antiseptic cap assembly of claim 1, wherein the antiseptic substance comprising a coating on a portion of the generally cylindrical side wall.
5. The antiseptic cap assembly of claim 4, wherein the cap further comprising an axially extending access post, the axially extending access post comprising:
a portion within the first chamber; and
an exterior surface coated with the antiseptic material.
6. The antiseptic cap assembly of claim 1, wherein the antiseptic substance comprising a lower alcohol.
7. The antiseptic cap assembly of claim 1, wherein the plurality of circumferentially spaced cap ribs extending from the closed second end.
8. The antiseptic cap assembly of claim 7, wherein the plurality of circumferentially spaced cap ribs extending to the flange.
9. The antiseptic cap assembly of claim 1, wherein the cap further comprising a set of threads on the inner surface.
10. The antiseptic cap assembly of claim 1, wherein the flange being on the open first end.
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US13/649,569 US9707349B2 (en) 2006-06-22 2012-10-11 Antiseptic cap
US13/456,853 Continuation US8968268B2 (en) 2006-06-22 2012-04-26 Antiseptic cap
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US9700677B2 (en) 2017-07-11
US20090099529A1 (en) 2009-04-16 Antiseptic cap with thread cover
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ANDERSON, WILLIAM;HENNIGER, GARY;WILSON, MARK;AND OTHERS;SIGNING DATES FROM 20070903 TO 20071212;REEL/FRAME:029113/0426