US20010007074A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw for medical purposes and a driving tool
Assignee: Karl Storz SE and Co KG
•
Filing: 2000-12-22
•
Granted: —
•
Expires: 2020-12-22
Abstract
Abstract A screw for medical purpose has a screw body having a head portion with a facial end face, a shaft portion extending from an end opposite to said facial end face along an axial direction of said screw body, a threading provided on an outer side of said shaft portion, and at least one axially extending groove cut into said outer side of said shaft portion, said at least one groove extending along said head portion and an entire length of said shaft portion, said at least one groove being provided for inserting a drive element of a driving tool therein.
Inventors
- 👤 Michael Strobel
- 👤 Andreas Weiler
- 👤 Andre Timmermans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:37
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/08; A61F2/0811; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/84; A61B17/86; A61B17/8605; A61B17/861; A61B17/8615; A61B17/862; A61B17/8625; A61B17/88; A61B17/8875; A61B17/8877; A61B17/8883; A61B17/864; A61B17/8645; A61B2017/00004; A61B90/00; A61B90/03; A61B2090/037; A61F2/0805; A61F2002/0817; A61F2002/0841; A61F2002/0847; A61F2002/0858; A61F2002/0876; A61F2002/0882
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
107 words
1 . A screw for medical purposes comprising a screw body having a head portion having a facial end face, a shaft portion extending from said head portion from an end opposite to said facial end face along an axial direction of said screw body a threading provided on an outer side of said shaft portion, and at least one axially extending groove cut into an outer side of said screw body, said at least one groove extending along said head portion and an entire length of said shaft portion, said at least one groove being provided for inserting a drive element of a driving tool therein.
Claim 2
Dependent Claim
107 words
1 . A screw for medical purposes comprising a screw body having a head portion having a facial end face, a shaft portion extending from said head portion from an end opposite to said facial end face along an axial direction of said screw body a threading provided on an outer side of said shaft portion, and at least one axially extending groove cut into an outer side of said screw body, said at least one groove extending along said head portion and an entire length of said shaft portion, said at least one groove being provided for inserting a drive element of a driving tool therein.
Claim 3
Dependent Claim
48 words
2 . The screw of claim 1 , wherein a depth of said at least one axial groove is such that said drive element of said driving tool lies within said at least one axially groove and does not extend beyond an outer periphery of said screw body.
Claim 4
Dependent Claim
43 words
3 . The screw of claim 1 , wherein said depth of said at least one axially groove is such that said drive element of said driving tool is housed within said groove without extending radially beyond said threading of said shaft portion.
Claim 5
Dependent Claim
43 words
4 . The screw of claim 1 , wherein at least one recess is provided in said facial end face of said head portion, a corresponding projection on said tool can be introduced into said recess for centering said tool on said screw.
Claim 6
Dependent Claim
22 words
5 . The screw of claim 4 , wherein said recess is configured as a channel completely passing through said screw body.
Claim 7
Dependent Claim
26 words
6 . The screw of claim 1 , wherein several axially extending grooves are provided to be distributed uniformly about a circumference of said screw body.
Claim 8
Dependent Claim
25 words
7 . The screw of claim 6 , wherein up to five axial extending grooves are cut into said outer side of said screw body.
Claim 9
Dependent Claim
29 words
8 . The screw of claim 1 , wherein said at least one axially extending groove is open axially at said facial end face end of said head portion.
Claim 10
Dependent Claim
25 words
9 . The screw of claim 8 , wherein a bridge is provided for bridging said at least axially extending groove in a circumferential direction.
Claim 11
Dependent Claim
21 words
10 . The screw of claim 9 , wherein said bridge is provided in said head portion of said screw body.
Claim 12
Dependent Claim
42 words
11 . The screw of claim 1 , wherein a bridge is provided for bridging said at least one axially extending groove in an circumferential direction of said screw body, said bridge is formed by said outer threading of said shaft portion.
Claim 13
Dependent Claim
16 words
12 . The screw of claim 1 , wherein it is made of a biodegradable material.
Claim 14
Dependent Claim
26 words
13 . The screw of claim 1 , wherein it is configured as an interference screw for anchoring a transplant in an opening in a bone.
Claim 15
Dependent Claim
23 words
14 . The screw of claim 13 , wherein said transplant is selected from the group consisting of a tendon and a ligament.
Claim 16
Dependent Claim
96 words
15 . A tool for rotating a screw for medical purpose, said screw comprising a screw body having a head portion having a facial end face, a shaft portion extending from an end opposite to said facial end face along an axial direction of said screw body, a threading providing on an outer side of said shaft portion, and at least one axially extending groove cut into said outer side of said shaft portion, wherein said tool comprising at least one rod-like drive element which can be inserted into said at least one axially extending groove.
Claim 17
Dependent Claim
96 words
15 . A tool for rotating a screw for medical purpose, said screw comprising a screw body having a head portion having a facial end face, a shaft portion extending from an end opposite to said facial end face along an axial direction of said screw body, a threading providing on an outer side of said shaft portion, and at least one axially extending groove cut into said outer side of said shaft portion, wherein said tool comprising at least one rod-like drive element which can be inserted into said at least one axially extending groove.
Claim 18
Dependent Claim
38 words
16 . The tool of claim 15 , wherein said at least one drive element is configured in said it can be slit in a longitudinal direction from said head portion of said screw into said axial groove.
Claim 19
Dependent Claim
50 words
17 . The tool of claim 15 , wherein at least one projection extends from said tool in a direction directed to a recess in said facial end face of said head portion of said screw, said projection penetrates into said recess when said tool is mounted on said screw.
Claim 20
Dependent Claim
39 words
18 . The tool of claim 15 having several drive elements for inserting into a screw having a corresponding number of several axially extending grooves, said drive elements are cross-connected to one another by at least one circumferential bridge.
Claim 21
Dependent Claim
20 words
19 . The tool of claim 18 , wherein breakage points are provided between said drive elements and said bridges.
References Cited (Backward Citations)
US3866510A
Cited
US3554862A
Cited
US3911781A
Cited
US5131795A
Cited
US5470334A
Cited
US5364400A
Cited
US6379361B1
Cited
US5456685A
Cited
US5609636A
Cited
US5941882A
Cited
US6241771B1
Cited
US6019768A
Cited
US6099530A
Cited
US6165203A
Cited
US6402757B1
Cited
US6589245B1
Cited
US6863671B1
Cited
US6629977B1
Cited
US6454772B1
Cited
US20060253119A1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.