RF Cannula SizesCannula Length and Active Tip Explained

In the LCCS listings, models C-1005-S-20-LC and C-510-20-LC list gauge, cannula length (cm) and active-tip length (mm) as separate fields. C-1005-S-20-LC is 20G with a 10 cm cannula length and a 5 mm active tip. These fields identify the listed model; they do not establish clinical suitability or compatibility. [1] [2]

AI-created fictional office scene. The request remains unresolved until the responsible clinician clarifies the intended model and named fields.

A request for "20G RF, 10/5" leaves an important question unanswered: which number belongs to which length field? Repeating those numbers on a purchase request preserves the ambiguity. The useful next step is to recover their names and units from the exact product record.

The two LCCS examples below make that task concrete. They share a gauge and use the same numbers, 5 and 10, in different length fields. Matching them requires more than recognizing a familiar size string.

Read the field names before the numbers

LCCS presents three separate selectors: Gauge, Length (cm) and Tip (mm). In an office record, write the second selector as cannula length and the third as active-tip length so their units remain attached to what they describe. [1]

This distinction is especially useful when a description is copied into a spreadsheet, abbreviated in a message or read aloud. A column headed only "Length" cannot carry both fields clearly. Use separate columns, and retain cm for cannula length and mm for active-tip length instead of allowing a slash to stand in for the field labels.

LCCS labels the field "Length (cm)" without defining the measurement endpoints of an insulated-only shaft. Keep the field as cannula length; do not subtract the active-tip length or create an unsupported shaft measurement. [1]

Clint's curved RF cannula reference image. Product-family context, not measured geometry for either example model.

Two exact models, two different dimensional records

Same gauge. Two different length fields.

Exact LCCS model fields and matching Clint listings. This is a record comparison, not device geometry, a compatibility table or a clinical size-selection guide. [1] [2] [3] [4]

The LCCS quick-order table associates each variant with a specific model. Clint lists the matching manufacturer codes and provides separate Clint product codes. The comparison keeps those identities in distinct records so a company name or supplier prefix cannot become part of an invented manufacturer identifier. [2] [3] [4]

Take both length values from the same model record. Matching gauge alone leaves both length fields unresolved.

Keep the complete model code as printed. These examples demonstrate verified associations between codes and fields; they do not establish a general decoding rule for every letter, numeral or suffix in another model number.

PRACTICE + SCIENCE / VISUAL REFERENCE

Keep each length field named.

GaugeCannula length (cm)Active-tip length (mm)

Conceptual artwork created with AI. A ruler and magnifying glass on a specification notebook. Product identity and instructions come from the cited sources, not this illustration.

Turn an abbreviated request into a checkable record

Consider a hypothetical office request that says "20G RF, 10/5." Staff can return a specific clarification: "Please confirm the intended manufacturer model and identify the cannula length in cm and the active-tip length in mm." That question exposes the missing information without choosing a device for the clinician.

Illustrative office-record fields; no model is selected here.

If the responsible clinician confirms that the approved product is C-1005-S-20-LC, the completed record can read: "Supplier: LCCS.
Manufacturer model: C-1005-S-20-LC.
Gauge: 20G.
Cannula length: 10 cm.
Active-tip length: 5 mm.
Clint product code: CP-C-1005-S-20-LC.
Listed order unit: box of 25." [2] [3]

This hypothetical record preserves an already approved specification. It does not establish that the example is appropriate for a patient, procedure or equipment system. If the responsible clinician has not confirmed the model, the record remains an unanswered request, even when one catalog row appears to fit the shorthand.

Questions about probe or generator compatibility belong with the exact device documentation and the responsible clinical team. Record that question separately from the dimension match. Filling in all three dimension fields cannot resolve a different, unverified equipment requirement.

Clint product reference

Use Clint's RF Cannula Needles category to locate the approved manufacturer model, then compare the separate Clint product code and listed order unit. Carry both length labels into the request so the completed order record remains understandable without the original catalog page. [5]

Sources and scope

1. LCCS RF cannula specifications. Product selectors; no revision stated.
2. LCCS quick-order table. Exact model rows; no revision stated.
3. Clint C-1005-S-20-LC product listing. Manufacturer code, CP-C-1005-S-20-LC supplier SKU and box of 25.
4. Clint C-510-20-LC product listing. Manufacturer code, CP-C-510-20-LC supplier SKU and box of 25.
5. Clint RF Cannula Needles category. Product navigation; not evidence of clinical suitability or current stock.

Sources rechecked October 5, 2026. This reference explains the exact listed fields for two matched models. Clinical selection, device compatibility and use require the applicable manufacturer documentation and the responsible clinical team.

Editorial field simulation on conceptual paper artwork. Unfilled fields do not represent device geometry.