Special receptacle or package – For a fastener – Surgical or wound type
Reexamination Certificate
2000-07-07
2001-08-14
Fidei, David T. (Department: 3728)
Special receptacle or package
For a fastener
Surgical or wound type
C206S338000, C206S340000
Reexamination Certificate
active
06273253
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to a cartridge for holding clips, particularly for holding hemostatic clips for use in surgical procedures.
A great number of disclosures have been made in connection with cartridges for holding hemostatic clips. Examples include U.S. Pat. Nos. 4,076,120, 4,961,499, 5,201,416, 5,908,430 and others. One long standing problem in the industry is a cartridge with structure sufficient to securely hold clips against loss during shipping and the like, which nevertheless allows the clips to be reliably removed without the need for excessive force and the like. Typically, such clips are removed for use by a surgeon during a surgical procedure. It is quite frequent that this maneuver must be accomplished with one hand.
Many of the prior art efforts involve use of extending protrusions and the like which interfere with removal of clips by extending into the path of removal of the clip. This tends to hold clips in place but makes removal of the clip too difficult. Despite the efforts as indicated in the above-mentioned and other patents, the need clearly remains for a cartridge for reliably yet readily removably holding clips.
It is therefore the primary object of the present invention to provide a cartridge which securely holds clips in releasable fashion.
Other objects and advantages of the present invention will appear hereinbelow.
SUMMARY OF THE INVENTION
In accordance with the present invention, the foregoing objects and advantages have been readily attained.
In accordance with the invention, a cartridge for holding clips is provided which cartridge comprises a base; a plurality of walls extending from said base and having wall faces, opposed wall faces of adjacent walls defining a space for receiving a clip; wherein at least one wall of said wall faces has a roughened surface positioned to contact a clip in said space whereby said clip is frictionally held in said space.
Still further in accordance with the present invention, a clip applying system is provided which comprises a clip cartridge having a base, a plurality of walls extending from said base and having wall faces, opposed wall faces of adjacent walls defining a space for receiving a clip, wherein at least one wall of said wall faces has a roughened surface positioned to contact a clip in said space whereby said clip is frictionally held in said space; and an applier having jaws for removing clips from said cartridge and applying said clips to an environment of use; wherein a first holding force is defined between said jaws and said clip and a second holding force is defined between said clip and said roughened surface, and wherein said first holding force is greater than said second holding force.
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Crainich Lawrence
Eisold Wolfgang
Forster Michel
Knupp Wayne
LeBozec Jacques
Bachman & LaPointe P.C.
Fidei David T.
Vitalitec International, Inc.
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