Aneshtesia instruments.pptx

common instruments encountered in anesthesia; may be of help for your mbbs exams

1. Aneshtesia instruments

2. Guedel’s oropharyngeal airway estimating appropriate oropharyngeal airway sizes: the distances between the maxillary incisors to the angle of the mandible, and that from the corner of the mouth to the angle of the mandible .

3. Nasal airway

4. Why nasal airway inserted vertically and not in curved fashion? To protect injury against the highly vascular nasal turbinates and also the cribiform plate So, inserted vertically straight along the floor of nasal cavity

5. Face masks

6. AMBU bag

7. What is the advantage of self-inflating bag?

8. laryngoscope (contains Batteries)

9. Mccoy (movable tip)

10. Video laryngoscope

11. Uses of laryngoscope Excision of benign lesions of larynx

12. Classical LMA

13. LMA sizes

14. I -gel

15. Advantages of I-gel Provides better seal than classical Already inflated, Non-inflatable cuff Integral bite block Buccal cavity stabilizer, so doesn’t rotate inside the mouth Gastric channel (drain tube) for draining

16. Supreme LMA = proseal LMA + Bite block

17. Intubating LMA (LMA fasttrach )

18. Cuffed Endotracheal tube PVC type Bevel 45 degree in oral tubes and 30 degree in nasal tubes

19. ET tube size (Age of patient)/ 4 + 4

20. Anatomical dead space reduced by almost 50%

21. Cuffed tube can cause pressure necrosis if used for long time (> 2 weeks)

22. Cuffed ET tube Flexometallic type Has metal spiral rings on inside that make it flexible and non- kinkable Use: for head and neck surgeries where acute extension/flexion of neck is required For surgeries which require changing patient position from supine to prone

23. Diasdv of flexometallic tube Has got metal springs on inside, when the patient bites on the tube, the shape of the tube gets deformed and when the biting force is resolved, the tube cannot get back to its normal shape So, Bite block should be kept After finishing the surgery, the flexometallic tube should be replaced by PVC tube if prolonged intubation is required

24. Red rubber endotracheal tube Obsolete now

25. Look on the tubes: types Oral nasal Oral nasal

26. Double lumen tube

27. Combitube

28. HME filter

29. Tracheostomy

30. Cannula and their sizes

31. Subarachnoid Block Quincke = dura cutting = cutting edge Whitacre, Sprotte = dura separating= no cutting edge (pencil tip)

32. Epidural needle Needle markings present = 1 cm black and white stripes

33. Why is epidural needle calibrated with markings? To know how much length of catheter to insert into the epidural needle

34. Walking epidural When low dose epidural is given, the sensation is lost without affecting motor movements of limb

35. Pulse oximeter Measures: spO2 Pulse rate Perfusion index Plethysmograph detects arrhythmia Gives idea about respiratory effort

36. Anesthesia Machine

37. Flow sensor / CO2 sensor

38. ECG electrode

39. IV cannula parts

40. IV Drip Set