Update Query using Table variable in sql server

DECLARE @tbl_copy TABLE 
(
	BasicObsEntered NVARCHAR(20),
	BasicObsEnteredDate NVARCHAR(100),
	[STATUS] nvarchar(10),
	CategoryOne nvarchar(30),
	NAME nvarchar(125),
	ItemName nvarchar(125),
	[Value] nvarchar(60),
	UnitOfMeasure nvarchar(15),
	AbnormalityCode nvarchar(10),
	ReferenceUpperLimit nvarchar(10),
	ReferenceLowerLimit nvarchar(10),
	ResultGUID NVARCHAR(32)
)

Update @tbl_copy SET BasicobsEntered = b.BasicobsEntered , BasicObsEnteredDate =b.BasicObsEnteredDate from @tbl_copy INNER JOIN @tbl_cpy1 b on @tbl_copy.Name = @tbl_cpy1.Name and @tbl_copy.ItemName = @tbl_cpy1.ItemName and b.[Status]='F' and @tbl_copy.Status='P'

Msg 137, Level 16, State 1, Procedure ResultList_Optimization, Line 172<br />
Must declare the scalar variable "@tbl_copy".