AIS definitions/terms/questions

Question 1

Clot Integration = ? + ?

Answer 1

Clot Integration = cell size + radial force

Question 2

4 Key design features of Trevo Retriever? (XP & NXT)

Answer 2

1) Same Large Cells
2) Same tubular, laser cut design
3) same high in clot radial force transitioning to low on vessel radial force
4) same full length visibility

Question 3

What does the NXT stand for in Trevo NXT ProVue Retriever?

Answer 3

oNe microcatheter, four stents

a better eXperience

Triglide delivery wire

Question 4

The TriGlide Delivery wire is composed of three parts: (hence Tri)

Answer 4

1) NITINOL CORE WIRE
2) POLYMER JACKET over the distal 27cm of the wire
3) HYDROPHILIC COATING over the distal 101cm of wire

Question 5

Which of these statements are true for the Trevo NXT ProVue Retriever 6mm?

A) uses the same advanced polishing as the Trevo XP ProVue Retriever 4x30mm
B) it’s compatible with the Trevo Trak 21 Microcatheter
C) Delivery will feel the same as Trevo NXT 3mm & 4mm

Answer 5

A & B

Question 6

Whats the cell size on the Trevo NXT ProVue Retriever?

Answer 6

Large

Question 7

3 key Trevo NXT ProVue Retriever talking points

Answer 7

1) smooth delivery & response clot retrieval
2) compatibility w/o tradeoffs
3) a better experience

Question 8

In AIS procedures, BGC serve three main purposes:

Answer 8

1) access
2) conduit for delivery
3) flow control

Question 9

4 features of Flowgate 2

Answer 9

1) large .084 lumen
2) superior trackability
3) rapid access
4) optimized stability

Question 10

T or F: FlowGate3 BGC fits all AXS Catalyst Distal Access Catheters

Answer 10

True

Question 11

Which of the following accessories is NOT included with the FlowGate 3 BGC?

1) RHV
2) 20 ML synringe
3) peel away sheath
4) Luer activated flow valve
5) high pressure extension tubing
6) tuohy-borst valve
7) guide assisted catheter

Answer 11

2

Question 12

Procedural steps for FlowGate2 BGC:

Answer 12

1) set up
2) remove air
3) inflate
4) diffuse air
5) deflate
6) insert

Question 13

T or F: FlowGate2 is compatible with AXS Vecta Intermediate Catheters

Answer 13

False

Question 14

What is the compliant silicone Flowgate2 balloons diameter and length at maximum infusion volume?

Answer 14

10mm

Question 15

What is Combination Thrombectomy?

Answer 15

Stent retriever + aspiration catheter technique to remove a blood clot

Question 16

What Intermediate Catheter is the Flowgate3 BGC compatible with?

Answer 16

AXS Catalyst 7

Question 17

Steps for prepping a BGC:

Answer 17

Step 1: Attach an RHV to the BGC hub & the flow valve or stopcock to the balloon inflation hub

Step 2: fill a 20cc syringe with 50:50 contrast solution & attach to the flow valve or stopcock

Step 3: pull negative 2x on the syringe until the bubbles stop; release plunger

Step 4: remove the 20cc syringe and put on a 1cc syringe filled eith 50:50 contrast solution

Step 5: inflate the balloon with 0.6mL of 50:50 contrast solution. Remove the syringe from valve.

Step 6: wait for bubbles to dissipate, if desired or needed

Step 7: deflate the balloon prior to use using the 20cc syringe

Question 18

2 Purposes of an intermediate catheter during thrombectomy would be:

Answer 18

1) stable conduit (pathway) for other devices

2) provide lesional aspiration at the face of the clot

Question 19

What devices are use in TRAP?

Answer 19

Flowgate2 BGC
CAT 7
Trevo Retriever
AXS Universal Aspiration Set

Question 20

What are some Stryker Aspiration Catheters?

Answer 20

CAT 5/6/7

Vecta 71/74

Question 21

How long should you wait to allow the stent retriever to integrate with the clot?

Answer 21

5 minutes

Question 22

3 benefits of Vecta 74

Answer 22

1) Extra-large .074 lumen & low profile OD
2) 6F sheath compatible
3) more completely ingest clot (direct aspiration)

Question 23

3 key messages of Vecta 74

Answer 23

1) ingest more with large lumen
2) reliably navigate past the opthalmic artery
3) full length ptfe lining