Mobility-aid apparatus and method with cores having negative draft
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61H-003/02
A61H-003/00
출원번호
US-0364577
(2003-02-10)
등록번호
US-7255120
(2007-08-14)
발명자
/ 주소
Garza, Sr.,Jesus
Benner,Richard W.
Gin,Jeremy
Gin,Jerry
출원인 / 주소
Hessa Medical, Inc.
대리인 / 주소
Haynes Beffel & Wolfeld LLP
인용정보
피인용 횟수 :
2인용 특허 :
9
초록▼
Apparatuses and methods assist in mobility of a person. According to an embodiment of the invention, a device for enhancing mobility of a physically-impaired person comprises: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongate
Apparatuses and methods assist in mobility of a person. According to an embodiment of the invention, a device for enhancing mobility of a physically-impaired person comprises: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongated portion of the first member and to have negative draft relative to the elongated portion of the first member. According to another embodiment of the invention, there is a method for producing an apparatus for assisting in ambulation. The method comprises the steps of: providing a first member that comprises an elongated portion; and providing a second member, including: forming a recess in the second member for slidably receiving the elongated portion of the first member; and tapering the recess to have negative draft relative to the elongated portion of the first member.
대표청구항▼
What is claimed is: 1. A device for enhancing mobility of a physically-impaired person, the device comprising: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongated portion of the first member and to have negative draft relative
What is claimed is: 1. A device for enhancing mobility of a physically-impaired person, the device comprising: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongated portion of the first member and to have negative draft relative to the elongated portion of the first member; wherein extent of slidably receiving of the elongated portion of the first member by the second member helps determine at least two usable heights of the device for enhancing mobility, the device helping support weight of a person, including support in a direction of the slideably receiving; wherein the second member comprises plastic as a basis; wherein the second member defines a cavity that slidably receives the elongated portion of the first member along an axis of sliding, the cavity including an opening that receives the elongated portion of the first member, wherein internal diameter of the cavity becomes progressively greater with increasing depth along a segment of the cavity along the axis of sliding; wherein the negative draft is at least an eighth of a degree from being parallel to the axis of sliding along the segment of the cavity. 2. A device according to claim 1, wherein there are at least two achievable depths of insertion of the elongated portion of the first member into the cavity, the two possible depths differing from one another by at least six inches. 3. A device according to claim 2, wherein the segment of the cavity is at least twenty inches deep along the axis of sliding, and the negative draft is at least a quarter of a degree from being parallel to the axis of sliding along the segment of the cavity. 4. A device according to claim 2, wherein the negative draft is no more than a half of a degree from being parallel to the axis of sliding along the segment of the cavity. 5. A device for enhancing mobility of a physically-impaired person, the device comprising: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongated portion of the first member and to have negative draft relative to the elongated portion of the first member; wherein extent of slidably receiving of the elongated portion of the first member by the second member helps determine at least two usable heights of the device for enhancing mobility, the device helping support weight of a person, including support in a direction of the slideably receiving; wherein the second member comprises plastic as a basis; wherein the second member defines a cavity that slidably receives the elongated portion of the first member along an axis of sliding, the cavity including an opening that receives the elongated portion of the first member, wherein internal diameter of the cavity becomes progressively greater with increasing depth along a segment of the cavity along the axis of sliding; wherein: the cavity is hereinafter referred to as first cavity; the axis of sliding is hereinafter referred to as first axis of sliding; the device further comprises a third member having an elongated portion; and the second member further defines a second cavity that slidably receives the elongated portion of the third member along a second axis of sliding and has negative draft relative to the elongated portion of the third member. 6. A device according to claim 5, wherein the negative draft relative to the elongated portion of the third member is at least an eighth degree more than zero draft along a segment of the second cavity along the second axis of sliding, and the segment of the second cavity is at least six inches deep along the second axis of sliding. 7. A device according to claim 6, wherein the segment of the second cavity is at least fifteen inches deep along the second axis of sliding. 8. A device according to claim 6, wherein the negative draft relative to the elongated portion of the first member is at least a quarter degree more than zero draft along the segment of the first cavity along the first axis of sliding. 9. A device according to claim 8, wherein the segment of the first cavity is at least twenty inches deep along the axis of sliding, and wherein depth of insertion of the elongated portion of the first member into the first cavity is user-adjustable, the depth of insertion of the elongated portion of the first member into the first cavity capable of achieving depths including two depths that differ from each another by at least six inches. 10. A device for enhancing mobility of a physically-impaired person, the device comprising: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongated portion of the first member and to have negative draft relative to the elongated portion of the first member; wherein the elongated portion includes a spring support that presses against the second member to resist play by the first member relative to the second member, despite the negative draft, even when slideably receiving of the elongated portion of the first member by the second member is at more than a minimum extent; wherein: the second member comprises plastic as a basis; the second member defines a cavity that slidably receives the elongated portion of the first member along an axis of sliding, the cavity including an opening that receives the elongated portion of the first member, wherein internal diameter of the cavity becomes progressively greater with increasing depth along a segment of the cavity along the axis of sliding; the cavity is hereinafter referred to as first cavity; the axis of sliding is hereinafter referred to as first axis of sliding; the device further comprises a third member having an elongated portion; the second member further defines a second cavity that slidably receives the elongated portion of the third member along a second axis of sliding and has negative draft relative to the elongated portion of the third member; and the spring support is hereinafter referred to as first spring support; the elongated portion of the third member includes a second spring support that presses against the second member to resist play by the third member relative to the second member despite negative draft, even when slideably receiving of the elongated portion of the third member by the second member is at more than a minimum extent. 11. A device for enhancing mobility of a physically-impaired person, the device comprising: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongated portion of the first member and to have negative draft relative to the elongated portion of the first member; wherein extent of slidably receiving of the elongated portion of the first member by the second member helps determine at least two usable heights of the device for enhancing mobility, the device helping support weight of a person, including support in a direction of the slideably receiving; wherein the second member comprises plastic as a basis; wherein the second member defines a cavity that slidably receives the elongated portion of the first member along an axis of sliding, the cavity including an opening that receives the elongated portion of the first member, wherein internal diameter of the cavity becomes progressively greater with increasing depth along a segment of the cavity along the axis of sliding; wherein: the cavity is hereinafter referred to as first cavity; the elongated portion of the first member is hereinafter referred to as first elongated portion; the second member is configured to slidably receive the elongated portion of the first member along an axis of sliding; the first member further comprises a second elongated portion; and the second member is further configured to slidably receive the second elongated portion of the first member along the axis of sliding and to have negative draft relative to the second elongated portion of the first member. 12. A device for enhancing mobility of a physically-impaired person, the device comprising: a first member that comprises an elongated portion; and a second member that is configured to slidably receive the elongated portion of the first member and to have negative draft relative to the elongated portion of the first member; wherein extent of slidably receiving of the elongated portion of the first member by the second member helps determine at least two usable heights of the device for enhancing mobility, the device helping support weight of a person, including support in a direction of the slideably receiving; and wherein the device further comprises a third member having an elongated portion, and the second member is further configured to slidably receive the elongated portion of the third member and to have negative draft relative to the elongated portion of the third member. 13. A device according to any one of claims 1-11 and 12, wherein the device is an underarm crutch. 14. A device according to any one of claims 1-11 and 12, wherein the device is a crutch. 15. A method for producing an apparatus for assisting in ambulation, the method comprising the steps of: providing a first member that comprises an elongated portion; and providing a second member, including: forming a recess in the second member for slidably receiving the elongated portion of the first member; and tapering the recess to have negative draft relative to the elongated portion of the first member; wherein the first and second members are configured for extent of slidably receiving of the elongated portion of the first member by the second member to help determine at least two usable heights of the apparatus for assisting in ambulation for enhancing mobility, the apparatus helping to support weight of a person, including support in a direction of the slideably receiving; wherein the step of providing a second member comprises molding the second member of a plastic-based material; wherein the recess includes a cavity that slidably receives the elongated portion of the first member along an axis of sliding, the cavity including an opening that receives the elongated portion of the first member, wherein internal diameter of the cavity becomes progressively greater with increasing depth along a segment of the cavity along the axis of sliding; wherein: the cavity is hereinafter referred to as first cavity; the axis of sliding is hereinafter referred to as first axis of sliding; the method further comprises providing a third member having an elongated portion; and the step of providing the second member further comprises forming a second cavity in the second member that slidably receives the elongated portion of the third member along a second axis of sliding and has negative draft relative to the elongated portion of the third member. 16. An apparatus produced using the method according to claim 15. 17. A method according to claim 15, wherein the step of forming the second cavity in the second member comprises forming the second cavity in the second member to obtain a negative draft, relative to the elongated portion of the third member, that is at least an eighth degree more than zero draft along an at least six inches deep segment of the second cavity along the second axis of sliding. 18. A method according to claim 17, wherein the tapering step comprises tapering the recess to have a negative draft, relative to the elongated portion of the first member, that is at least a quarter degree more than zero draft along the segment of the first cavity along the first axis of sliding. 19. A method according to claim 17, wherein the tapering step comprises tapering the recess to have a negative draft, relative to the elongated portion of the first member, that is at least a quarter degree more than zero draft along an at least twenty inches deep segment of the first cavity along the first axis of sliding; and wherein the forming step comprises forming the recess in the second member for slidably receiving the elongated portion of the first member to obtain user adjustable depth of insertion of the elongated portion of the first member into the first cavity, and to obtain depth of insertion of the elongated portion of the first member into the first cavity that is capable of achieving depths including two depths that differ from each another by at least six inches. 20. A method according to claim 15, wherein the step of forming the second cavity in the second member comprises forming the second cavity in the second member to obtain a negative draft, relative to the elongated portion of the third member, that is at least an eighth degree more than zero draft along an at least fifteen inches deep segment of the second cavity along the second axis of sliding. 21. A method according to claim 15, wherein the step of forming the second cavity in the second member comprises forming the second cavity in the second member to obtain a negative draft, relative to the elongated portion of the third member, that is at least an eighth degree more than zero draft along an at least six inches deep segment of the second cavity along, as the second axis of sliding, an axis substantially parallel to the first axis of sliding. 22. A method for producing a crutch, according to claim 15, wherein the apparatus for assisting in ambulation is a crutch.
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이 특허에 인용된 특허 (9)
Hansen Ries B. (River Hills WI) Morter Howard G. (Cedarburg WI), Adjustable orthopedic crutch.
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