Patent
   D333003
Priority
Jul 31 1990
Filed
Jul 31 1990
Issued
Feb 02 1993
Expiry
Feb 02 2007
Assg.orig
Entity
unknown
4
9
n/a
The ornamental design for a needle head for a biopsy cannula, as shown and described.

FIG. 1 is a perspective view of a needle head for a biopsy cannula showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof; and,

FIG. 6 is an end elevational view thereof, opposite that shown in FIG. 5.

The broken line showing of the cannula in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design.

Chettleburgh, Kenneth E.

Patent Priority Assignee Title
D403405, Jun 24 1996 MEDICAL DEVICE TECHNOLOGIES, INC Biopsy needle set
D411882, Aug 22 1997 Syringe holder for fine needle aspiration biopsy
D699348, Jan 27 2010 Handle
D818700, Sep 30 2016 EKOS LLC Container for medical implant
Patent Priority Assignee Title
2850007,
3454006,
4609370, Jun 20 1983 Surgical needle assembly and apparatus for attachment on a surgical needle assembly
4699154, Feb 19 1986 C R BARD, INC Tissue sampling device
4721506, Nov 07 1986 Flat-inclined tip needle
5121751, Mar 16 1990 ATRION MEDICAL PRODUCTS, INC Instrument for tissue sampling
D306070, Mar 20 1987 C R BARD INC Needle head for biopsy cannula
D309014, Mar 20 1987 C. R. Bard, Inc. Needle head for biopsy stylet
FR1175889,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 19 1990CHETTLEBURGH, KENNETH E DLP, INC ASSIGNMENT OF ASSIGNORS INTEREST 0053910851 pdf
Jul 31 1990DLP, Inc.(assignment on the face of the patent)
Mar 17 1994DEVRIES, JAMES H , CHAIRMAN, DLP, INC Medtronic, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0072030458 pdf
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