← Back to Patent Explorer
US4865045A Expired / Lapsed US ⏱️ 0.0 years remaining

Shoehorn medical reflex hammer

Assignee: Individual
•
Filing: 1988-05-16
•
Granted: 1989-09-12
•
Expires: 2008-05-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A medical examination reflex hammer is described having a head and a handle. Its head is a fully spherical, solid rubber ball. Its handle is a long, light weight, cylindrical stem that pierces with a sharp point at one end the ball and at the other end it forms a flattened and slightly concave shoehorn.

Inventors

  • 👤 F. Javier Monreal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:18
CPC Classifications
A; A61; A61B; A61B9/00

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 189 words
A hammer medical tool capable of striking gentle but firm blows upon a person's muscle tendon thus eliciting deep tendon reflexes, also capable of stimulating the person's sensory feeling and plantar or Babinski responses, having a head and a handle and such a balance of weight as to have its center of gravity at its handle within an inch or less distance from its head ad comprising: a head, fully spherical, two to two-and-a-half inches in diameter of bouncy, firm, solid rubber, having a perforation through its center, the perforation capable of acommodating with a snug fit one end of said handle; a handle, of roughly cylindrical shape through almost its entire length, or 1/4" to 1/2" in diameter and of total length such as to provide, in relation to the size and weight of said head, said balance of weight for the whole hammer; said handle having one end tapered to a point and lodged at said perforation of said head; said handle having its opposite end widened, flattened and minimally concaved in a spoon-like or shoehorn-like manner; said handle being of light weight but structurally strong material.
Claim 2
Dependent Claim 189 words
A hammer medical tool capable of striking gentle but firm blows upon a person's muscle tendon thus eliciting deep tendon reflexes, also capable of stimulating the person's sensory feeling and plantar or Babinski responses, having a head and a handle and such a balance of weight as to have its center of gravity at its handle within an inch or less distance from its head ad comprising: a head, fully spherical, two to two-and-a-half inches in diameter of bouncy, firm, solid rubber, having a perforation through its center, the perforation capable of acommodating with a snug fit one end of said handle; a handle, of roughly cylindrical shape through almost its entire length, or 1/4" to 1/2" in diameter and of total length such as to provide, in relation to the size and weight of said head, said balance of weight for the whole hammer; said handle having one end tapered to a point and lodged at said perforation of said head; said handle having its opposite end widened, flattened and minimally concaved in a spoon-like or shoehorn-like manner; said handle being of light weight but structurally strong material.
Claim 3
Dependent Claim 33 words
A hammer medical tool as in claim #1 wherein the said tapered-to-a-point end of the said handle lodged at said perforation of said head protrudes through and beyond said head 1/2" to 1".

References Cited (Backward Citations)

US594894A Cited
US1269820A Cited
US2532093A Cited
US2908268A Cited
GB814426A Cited
US3185146A Cited
US3344781A Cited
US3515125A Cited
US4007928A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-09-11 1993-03-13 1993-09-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-09-11 1997-03-13 1997-09-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-09-11 2001-03-13 2001-09-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag