#Guidewire Structure
..
It has 3 Basic Components
1.Shaft (Central core )
2.Distal Tip with coils/ cover & sleeve
3.Surface coating
1.#Centeral Core
It is inner & longest portion of guidewire making it backbone .it extends from proximal to distal end where it tapers.
..
It has 3 Basic Components
1.Shaft (Central core )
2.Distal Tip with coils/ cover & sleeve
3.Surface coating
1.#Centeral Core
It is inner & longest portion of guidewire making it backbone .it extends from proximal to distal end where it tapers.
There are 3 important aspects regarding centeral core are
i) #Core material
•Stainless steel
•High tensile Stainless steel
•Nitinol
ii) #Core diameter
O.010"-0.018" (0.014"Most common )
iii) #Tapering towards tip
•Short Tappered
•Long Tappered
i) #Core material
•Stainless steel
•High tensile Stainless steel
•Nitinol
ii) #Core diameter
O.010"-0.018" (0.014"Most common )
iii) #Tapering towards tip
•Short Tappered
•Long Tappered
#Wire Tip
i Tip may be Tapered or Non Tapered
ii There are 3 Tip Design
•One Piece Core Design ( core -Tip design)
•Two Piece core Design (Shapping ribbon design )
Hybrid
iii Tip coils /Covers / sleeves
Tip may be covered with coils /polymer cover /nitinol sleeve
i Tip may be Tapered or Non Tapered
ii There are 3 Tip Design
•One Piece Core Design ( core -Tip design)
•Two Piece core Design (Shapping ribbon design )
Hybrid
iii Tip coils /Covers / sleeves
Tip may be covered with coils /polymer cover /nitinol sleeve
#Guide wire Coating
Proximal portion of shaft is PTFE or TEFLON covered
Distal portion is manufactured in different coating material
coating can b
Hydrophobic
Hydrophilic
Proximal portion of shaft is PTFE or TEFLON covered
Distal portion is manufactured in different coating material
coating can b
Hydrophobic
Hydrophilic
• • •
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