Introducing, guiding, advancing, emplacing or holding catheters (A61M25/10 takes precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: Introducing, guiding, advancing, emplacing or holding catheters

CPC: Introducing, guiding, advancing, emplacing or holding catheters (A61M25/10 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Catheters; Hollow probes > Introducing, guiding, advancing, emplacing or holding catheters

CPC:

Catheters; Hollow probes (dilators A61M29/00; ; for measuring or testing A61B; ) > Introducing, guiding, advancing, emplacing or holding catheters (A61M25/10 takes precedence)

CPC subdivides this area 2x more granularly than IPC with 12 additional codes.

12 codes are CPC-only extensions, 4 exist only in IPC.

Note: 7 CPC extensions are marked as secondary classification only.

Child Classifications

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A61M 2025/0175 2nd only CPC only CPC only
A61M 2025/0177 2nd only CPC only CPC only
A61M 2025/018 2nd only CPC only CPC only
A61M 2025/0183 2nd only CPC only CPC only
A61M 2025/0186 2nd only CPC only CPC only
A61M 2025/0188 2nd only CPC only CPC only
A61M 2025/0191 2nd only CPC only CPC only
A61M 25/0102 CPC only CPC only
A61M 25/0105 +11 CPC CPC only CPC only
A61M 25/0169 CPC only CPC only
A61M 25/0172 CPC only CPC only
A61M 25/0194 +1 CPC CPC only CPC only
A61M 25/02 Holding devices, e.g. on the body +9 CPC IPC+CPC Available in IPC and CPC
A61M 25/06 Body-piercing guide needles or the like since 1990 +5 CPC IPC+CPC Available in IPC and CPC
A61M 25/08 Advancing means, e.g. self-propelled since 1990 −2 IPC IPC only IPC only
A61M 25/088 using an additional catheter, e.g. to reach relatively inaccessible places since 1995 IPC only IPC only
A61M 25/09 Guide wires since 1995 +14 CPC IPC+CPC Available in IPC and CPC
A61M 25/092 Remote control of the orientation of the distal end since 1995 IPC only IPC only
A61M 25/095 Arrangements for enabling the detection of the internal position of the catheter, e.g. radiographically since 1995 −1 IPC IPC only IPC only

Top Applicants

Top Applicants (IPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

PHILIPS ELECTRONICS NL 18,523
NOVARTIS CH 14,253
COVIDIEN US 13,953
ROCHE CH 12,005
CHINESE ACADEMY OF SCIENCES 11,955
UNIVERSITY OF CALIFORNIA US 11,692
HARVARD UNIVERSITY US 11,596
L'OREAL FR 11,593
P&G (PROCTER & GAMBLE COMPANY) US 11,297
OLYMPUS CORPORATION JP 9,594

Top Applicants (CPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

PHILIPS ELECTRONICS NL 20,621
NOVARTIS CH 15,792
ROCHE CH 14,303
COVIDIEN US 13,862
HARVARD UNIVERSITY US 13,454
UNIVERSITY OF CALIFORNIA US 12,798
P&G (PROCTER & GAMBLE COMPANY) US 12,140
L'OREAL FR 11,800
OLYMPUS CORPORATION JP 9,894
BOSTON SCIENTIFIC SCIMED US 9,513