Local anesthetic syringe/components and nitrous oxide sedation

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Local anesthetic syringe/components and nitrous oxide sedation

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Anesthetic aspirating syringe

Function image

To administer a local anesthetic

Characteristics image

Parts:

1. Threaded tip
2. Harpoon
3. Piston rod
4. Barrel of syringe
5. Finger grip
6. Finger bar
7. Thumb ring
8. Syringe assembled with needle and anesthetic cartridge

Practice notes image

Syringes with harpoons are considered aspirating syringes.
Disposable syringes equipped with needles and preloaded with anesthetic are available.
Anesthetic Aspirating Syringe is used on most tray setups.

 

imageAnesthetic Aspirating Syringe must be cleaned, bagged individually or bagged/wrapped in a tray setup, and then sterilized. A chemical/steam indicator device should be included in the wrapping. Disposable preloaded syringes with needle must be disposed of in a Sharps container. Anesthetic cartridge and needle must be disposed of in a Sharps container. Refer to local and state recommendations for disposal of anesthetic cartridge.

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Short needle

Function image

To administer anesthetic by infiltration injection on maxillary arch

Characteristics image

Parts:
1. Cartridge end of needle
2. Needle hub
3. Injection end of needle
4. Protective cap
5. Seal on cap
6. Needle guard
1 inch long for infiltration injection
1. Inserts into the anesthetic cartridge
Variety of gauges:

• Gauge number—Identifies diameter (thickness) of needle
• Larger gauge number—Indicates thinner needle (e.g., 30 gauge is thinner than 25 gauge)

Practice note image

Local anesthetic syringe setup is used on most tray setups.

 

imageShort Needle must be disposed of in a Sharps container. Single use only.

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Long needle

Function image

To administer anesthetic by block injection on mandibular arch

Characteristics image

Parts:
1. Cartridge end of needle
2. Needle hub
3. Injection end of needle
4. Protective cap
5. Seal on cap
6. Needle guard
15⁄8 inches long for block injection
1. Inserts into the anesthetic cartridge
Variety of gauges:

• Gauge number—Identifies diameter (thickness) of needle
• Larger gauge number—Indicates thinner needle (e.g., 30 gauge is thinner than 25 gauge)

Practice note image

Local anesthetic syringe setup is used on most tray setups.

 

imageLong Needle must be disposed of in a Sharps container. Single use only.

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Anesthetic cartridge

Function image

To hold liquid anesthetic for local injection in the oral cavity

Characteristics image

Parts:
1. Rubber diaphragm—Syringe needle is inserted into the diaphragm to penetrate into the cartridge.
2. 

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Feb 3, 2015 | Posted by in Dental Hygiene | Comments Off on Local anesthetic syringe/components and nitrous oxide sedation
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