Patent US2112146A successfully refreshed from Google Patents.
US4497325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasound needle, biopsy instrument or catheter guide
Assignee: Civco Medical Instruments Co Inc
•
Filing: 1982-07-15
•
Granted: 1985-02-05
•
Expires: 2002-07-15
Abstract
Abstract An attachment for use in connection with ultrasound transducers to assist in conducting various surgical procedures involving the withdrawal of fluid from or injection of fluid into selected body organs or biopsies of various organs. The attachment serves to accurately guide a needle or catheter into the selected site scanned by the ultrasound transducer. The device employs a removable and rotatable guide that provides for the use of instruments of different sizes for insertion in body parts within a wide range of angles.
Inventors
- 👤 Victor J. Wedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:06
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3287; A61B; A61B17/00; A61B17/34; A61B17/3403; A61B2017/3413; Y; Y10; Y10S; Y10S83/00; Y10S83/956; Y10T; Y10T408/00; Y10T408/55; Y10T408/567
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
134 words
A device for use in connection with an ultrasound transducer for guiding medical instruments through the skin and into a selected body part of a patient, said device comprising a main body, attachment means on said main body providing for operative connection of the device to a transducer, said main body having a contact surface for engaging the skin of the patient in the area of the selected body part, said main body also having a cylindrical-shaped opening with the axis of the opening parallel to the plane of the contact surface, and a cylindrical-shaped guide member removably positioned in said cylindrical-shaped opening and turnable about said axis, said cylindrical-shaped guide member having a plurality of guide slots formed therein each along a diameter of said guide member to receive a medical instrument therein.
Claim 2
Independent Claim
134 words
A device for use in connection with an ultrasound transducer for guiding medical instruments through the skin and into a selected body part of a patient, said device comprising a main body, attachment means on said main body providing for operative connection of the device to a transducer, said main body having a contact surface for engaging the skin of the patient in the area of the selected body part, said main body also having a cylindrical-shaped opening with the axis of the opening parallel to the plane of the contact surface, and a cylindrical-shaped guide member removably positioned in said cylindrical-shaped opening and turnable about said axis, said cylindrical-shaped guide member having a plurality of guide slots formed therein each along a diameter of said guide member to receive a medical instrument therein.
Claim 3
Dependent Claim
14 words
The device of claim 1 in which said guide slots are of different widths.
Claim 4
Dependent Claim
43 words
The device of claim 2 in which the guide slot in the cylindrical-shaped guide member are tapered with each slot being of the same width along a selected diameter but tapered so as to be wider at one end of said guide member.
Claim 5
Dependent Claim
39 words
The device of claim 1 in which said cylindrical-shaped guide member is positioned near the attachment means of said main body so that said guide slot provides for insertion of a medical instrument at a direct angle of penetration.
Claim 6
Dependent Claim
48 words
The device of claim 1 in which there is included locking means for holding said cylindrical-shaped suide member in a selected position relative to the main body member while providing for easy separation of said cylindrical-shaped guide member from the main body when said locking means is unlocked.
Claim 7
Dependent Claim
52 words
The device of claim 5 in which the guide slot in said cylindrical-shaped guide member extends through the surface at one end of said guide member thereby providing for separation of the cylindrical-shaped guide member from the main body without disturbing a medical instrument that has been inserted through the guide slot.
Claim 8
Dependent Claim
29 words
The device of claim 1 in which the main body also has a fixed guide opening extending through the contact surface at a point close to the attachment means.
References Cited (Backward Citations)
US1072328A
Cited
US1372378A
Cited
US2451183A
Cited
US2536963A
Cited
US3017887A
Cited
US3556079A
Cited
US3721337A
Cited
US4058114A
Cited
US4029084A
Cited
US4132496A
Cited
US4108165A
Cited
US4289139A
Cited
US4249539A
Cited
US4332248A
Cited
US4363326A
Cited
US4402324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-05 | 1988-08-06 | 1989-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-05 | 1992-08-06 | 1993-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-05 | 1996-08-06 | 1997-02-05 | $7700.00 | Window Closed / Lapsed |