femoral vessels dissection and ligation...2. dissect a blood vessel carefully in a deep space...
TRANSCRIPT
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Vessel Dissection and Ligation
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Key Simulated steps and operative Principles
• Dissection and ligation of vessels in the groin • Use of Weitlander self retaining retractor for
exposure in deep space
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Goals and Objectives
1. Handle Weitlander correctly to achieve proper exposure
2. Dissect a blood vessel carefully in a deep space without jeopardizing its integrity
3. Isolate a blood vessel for ligation in a deep space
4. Demonstrate basic skills including tying in a deep space, suture ligation, vertical mattress suture, and simple running suture
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Required Materials 1. Pig Legs 2. ¼ inch Penrose 3. Right angle x2 4. 3-0 (Polyglactin acid) tie 5. 3-0 Vicryl suture on SH needle 6. Color dye 7. Debakey forceps 8. Scalpel 9. Metzbaum 10. Weitlander 11. 3-0 nylon
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Setup Step 1
Obtain Pig Legs
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Setup Step 2
Use Adison Clamps to create a tunnel Inside the pig leg
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Setup Step 3
Tunnel ¼ inch Penrose from the cut end of the pig leg between the bones through the knuckle end
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Setup Step 4
Tie off the Penrose at the knuckle end and secure this end to the deep tissue with a suture
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Setup Step 5
Use a syringe with vascular cannula tip to inject food coloring water into the Penrose at the cut end
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Setup Step 6
Tie off the Penrose at the cut end once the Penrose is distended
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Setup Step 7
Suture and secure Penrose on the cut end
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Procedure Step 1
Make a 6 cm incision over the course of the Penrose/vessel
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Procedure Step 2
Use Metzbaum scissor to dissect down to the Penrose/ vessel
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Procedure Step 3
Weitlander self retaining retractor should be adjusted multiple times to allow adequate exposure
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Procedure Step 4
The Penrose/ vessel should be exposed adequately, approximately 4 cm to allow future ligation
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Procedure Step 5
Using a right angle, the vessel is dissected out
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Procedure Step 7
One end is ligated while the other is suture ligated
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Procedure Step 8
The fascia is closed with simple running suture
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Procedure Step 9
The skin is closed using vertical mattress approximately 1-2 cm apart
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Checklist
Provide tension to make straight sharp incision without skiving
Utilize the assistant/Weitlander for proper tension and dissect down to the vessel
Dissect the vessel free without cutting into it Securely ligate and suture ligate the vessel with
no or minimal spillage of food coloring water Secure closure of the fascia with proper spacing Secure closure and approximation of skin edges