Professor Demchick's Patent Services

Paul H. Demchick, United States Registered Patent Agent
(United States Patent and Trademark Office Registration 52,808)


PATENTS RELATED TO HIP PROSTHESES

Dr. Demchick has handled client patent matters related to hip prostheses.

Dr. Demchick is a scientist with a quarter of a century of research experience in academic, industrial and governmental settings.

If you are considering patent protection for an invention, Dr. Demchick will be glad to discuss the matter with you. There is no charge for an initial discussion.

The following sampling is to give you some sense of the types of hip prostheses related inventions which have received United States patent protection. The patent list is not exhaustive and is certainly not a substitute for a proper patent search . It should be noted that only U.S. Patents are included.

It should be noted that spelling, form and typographical errors in the original patents are preserved here.

Artificial hip joint prosthesis (United States Patent 7,153,328)

Modular femoral stem component for a hip joint prosthesis (United States Patent 7,097,664)

Hip prosthesis with a modular acetabular cup assembly (United States Patent 7,044,974)

Welded hip prosthesis (United States Patent 7,033,399)

Shoulder or hip prosthesis facilitating abduction (United States Patent 7,033,396)

Shaft for anchoring a hip joint prosthesis in the femur (United States Patent 7,004,973)

Biologically reabsorbable acetabular constraining components and materials for use with a hip replacement prosthesis and bioreabsorbable materials to augment hip replacement stability and function (United States Patent 6,923,833)

Modular hip prosthesis (United States Patent 6,911,048)

Bimetal acetabular component construct for hip joint prosthesis (United States Patent 6,827,742)

Leaflike shaft of a hip-joint prosthesis for anchoring in the femur (United States Patent 6,808,539)

Hip joint prosthesis with abutment-protected prosthesis shaft (United States Patent 6,802,866)

Modular femoral stem component for a hip joint prosthesis (United States Patent 6,682,568)

Femoral hip prosthesis (United States Patent 6,626,948)

Acetabular implant for hip prosthesis (United States Patent 6,620,200)

Shaft for anchoring a hip joint prosthesis in the femur (United States Patent 6,613,094)

Apparatus for, and method of, providing hip prosthesis implantation (United States Patent 6,589,285)

Leaf-shaped shaft of a hip joint prosthesis for anchoring in the femur (United States Patent 6,540,788)

Femoral hip prosthesis (United States Patent 6,524,343)

Anatomic femoral prosthesis for total hip arthroplasty (United States Patent 6,488,716)

Hip joint prosthesis with integral bearing extraction member (United States Patent 6,488,713)

Total hip prosthesis adapted to be implanted endo-articularly and its auxiliary device and method of implantation (United States Patent 6,482,237)

Milling tool for emptying the femoral medullary space and hip prosthesis to be inserted in the space created (United States Patent 6,443,992)

Hip joint prosthesis (United States Patent 6,413,280)

Femoral hip-joint prosthesis with a logarithmically extending curvature (United States Patent 6,383,228)

Stemless hip prosthesis (United States Patent 6,379,390)

Hip prosthesis and method for fitting such hip prosthesis (United States Patent 6,375,684)

Hip prosthesis (United States Patent 6,361,566)

Modular hip prosthesis (United States Patent 6,319,286)

Titanium alloy hip prosthesis (United States Patent 6,306,175)

Locking hip prosthesis (United States Patent 6,299,648)

Hip joint prosthesis convertible in vivo to a modular prosthesis (United States Patent 6,280,476)

Hip replacement prosthesis (United States Patent 6,248,132)

Total hip prosthesis for endo-articular implantation, and ancillary device therefor (United States Patent 6,231,611)

System for performing hip prosthesis surgery (United States Patent 6,228,092)

Hip joint prosthesis (United States Patent 6,224,633)

Bipolar hip prosthesis with locking head (United States Patent 6,206,929)

Orthopedic surgery assembly for a hip prosthesis with a removable neck (United States Patent 6,190,416)

Proximal femoral sleeve for a revision hip prosthesis (United States Patent 6,139,584)

Instruments for forming bony cavity for implantable femoral, hip prosthesis (United States Patent 6,117,138)

Hip prosthesis positioning instrument (United States Patent 6,102,915)

Antiluxation hip prosthesis (United States Patent 6,093,208)

Non-dislocatable low-wear hip prosthesis (United States Patent 6,042,612)

Hip prosthesis (United States Patent 6,030,417)

Hip joint prosthesis (United States Patent 5,980,575)

Set of ancillary equipment for the implantation of acetabular cups of hip prosthesis, and prosthetic acetabular cup assembly ready to be implanted (United States Patent 5,976,148)

Hip joint prosthesis having a 22.22 mm zirconia femoral head and a 12/14 size stem (United States Patent 5,972,033)

Method and apparatus for hip prosthesis (United States Patent 5,951,605)

Apparatus for forming a centered bore for the femoral stem of a hip prosthesis (United States Patent 5,928,240)

Apparatus for, and method of, preparing hip prosthesis implantation (United States Patent 5,910,172)

Components for a modular shoulder and hip prosthesis (United States Patent 5,910,171)

Hip joint prosthesis (United States Patent 5,904,720)

Method and apparatus for forming a centered bore for the femoral stem of hip prosthesis (United States Patent 5,897,560)

Saddle-type hip prosthesis (United States Patent 5,888,207)

Hip joint prosthesis having a zirconia head and a ceramic cup (United States Patent 5,871,547)

Hip prosthesis with adjustable head (United States Patent 5,800,560)

Hip prosthesis (United States Patent 5,800,558)

Hip joint prosthesis to be permanently anchored within a femur of a patient (United States Patent 5,800,553)

Neck length measuring device and method of using same for implanting a hip prosthesis (United States Patent 5,792,143)

Hip joint prostheses and methods for manufacturing the same (United States Patent 5,788,916)

Hip implant prosthesis (United States Patent 5,755,810)

Method and apparatus for performing hip prosthesis surgery (United States Patent 5,755,720)

Hip joint prosthesis (United States Patent 5,741,262)

Cannulated cementless hip stem prosthesis (United States Patent 5,725,595)

Total anatomic hip prosthesis (United States Patent 5,725,593)

Instrument set for preparation of the seat for the femoral component of a non-cemented hip prosthesis (United States Patent 5,704,940)

Modular hip joint prosthesis (United States Patent 5,702,480)

Coaxial ligamented hip prosthesis (United States Patent 5,702,474)

Extraction tool for a shaft of a hip joint prosthesis or of a corresponding rasp (United States Patent 5,674,225)

Hip prosthesis and its use (United States Patent 5,658,352)

Modular hip prosthesis with discrete selectable angular orientation (United States Patent 5,653,764)

Outer shell for an at least two-shell joint socket of a hip joint prosthesis (United States Patent 5,645,606)

Acetabular cup for a total hip prosthesis (United States Patent 5,609,646)

Modular hip prosthesis (United States Patent 5,549,706)

Hip joint prostheses and methods for manufacturing the same (United States Patent 5,549,697)

Composite artificial socket and hip joint prosthesis (United States Patent 5,549,695)

Modular hip prosthesis (United States Patent 5,507,830)

System for performing hip prosthesis revision surgery (United States Patent 5,470,336)

Screw-fixed femoral component for hip joint prosthesis (United States Patent 5,458,654)

Femoral component for a hip prosthesis (United States Patent 5,458,651)

Instrument for disassembling a bipolar hip prosthesis (United States Patent 5,405,404)

Package for hip prosthesis (United States Patent 5,405,005)

Collared hip prosthesis with revision spacer (United States Patent 5,376,124)

Modular hip prosthesis (United States Patent 5,370,706)

Femoral component for a hip prosthesis (United States Patent 5,358,534)

Femoral hip joint prosthesis (United States Patent 5,314,493)

Hip prosthesis (United States Patent 5,314,489)

Modular hip prosthesis (United States Patent 5,286,260)

Rim-bearing acetabular component of hip joint prosthesis (United States Patent 5,217,499)

Modular hip joint prosthesis with adjustable anteversion (United States Patent 5,201,882)

Femoral insert for total hip prosthesis (United States Patent 5,201,770)

Package for hip prosthesis (United States Patent 5,193,679)

System for performing hip prosthesis revision surgery (United States Patent 5,192,283)

Modular hip prosthesis (United States Patent 5,181,928)

Artificial hip joint prosthesis (United States Patent 7,153,328)

Modular femoral stem component for a hip joint prosthesis (United States Patent 7,097,664)

Hip prosthesis with a modular acetabular cup assembly (United States Patent 7,044,974)

Welded hip prosthesis (United States Patent 7,033,399)

Shoulder or hip prosthesis facilitating abduction (United States Patent 7,033,396)

Shaft for anchoring a hip joint prosthesis in the femur (United States Patent 7,004,973)

Biologically reabsorbable acetabular constraining components and materials for use with a hip replacement prosthesis and bioreabsorbable materials to augment hip replacement stability and function (United States Patent 6,923,833)

Modular hip prosthesis (United States Patent 6,911,048)

Bimetal acetabular component construct for hip joint prosthesis (United States Patent 6,827,742)

Leaflike shaft of a hip-joint prosthesis for anchoring in the femur (United States Patent 6,808,539)

Hip joint prosthesis with abutment-protected prosthesis shaft (United States Patent 6,802,866)

Modular femoral stem component for a hip joint prosthesis (United States Patent 6,682,568)

Femoral hip prosthesis (United States Patent 6,626,948)

Acetabular implant for hip prosthesis (United States Patent 6,620,200)

Shaft for anchoring a hip joint prosthesis in the femur (United States Patent 6,613,094)

Apparatus for, and method of, providing hip prosthesis implantation (United States Patent 6,589,285)

Leaf-shaped shaft of a hip joint prosthesis for anchoring in the femur (United States Patent 6,540,788)

Femoral hip prosthesis (United States Patent 6,524,343)

Anatomic femoral prosthesis for total hip arthroplasty (United States Patent 6,488,716)

Hip joint prosthesis with integral bearing extraction member (United States Patent 6,488,713)

Total hip prosthesis adapted to be implanted endo-articularly and its auxiliary device and method of implantation (United States Patent 6,482,237)

Milling tool for emptying the femoral medullary space and hip prosthesis to be inserted in the space created (United States Patent 6,443,992)

Hip joint prosthesis (United States Patent 6,413,280)

Femoral hip-joint prosthesis with a logarithmically extending curvature (United States Patent 6,383,228)

Stemless hip prosthesis (United States Patent 6,379,390)

Hip prosthesis and method for fitting such hip prosthesis (United States Patent 6,375,684)

Hip prosthesis (United States Patent 6,361,566)

Modular hip prosthesis (United States Patent 6,319,286)

Titanium alloy hip prosthesis (United States Patent 6,306,175)

Locking hip prosthesis (United States Patent 6,299,648)

Hip joint prosthesis convertible in vivo to a modular prosthesis (United States Patent 6,280,476)

Hip replacement prosthesis (United States Patent 6,248,132)

Total hip prosthesis for endo-articular implantation, and ancillary device therefor (United States Patent 6,231,611)

System for performing hip prosthesis surgery (United States Patent 6,228,092)

Hip joint prosthesis (United States Patent 6,224,633)

Bipolar hip prosthesis with locking head (United States Patent 6,206,929)

Orthopedic surgery assembly for a hip prosthesis with a removable neck (United States Patent 6,190,416)

Proximal femoral sleeve for a revision hip prosthesis (United States Patent 6,139,584)

Instruments for forming bony cavity for implantable femoral, hip prosthesis (United States Patent 6,117,138)

Hip prosthesis positioning instrument (United States Patent 6,102,915)

Antiluxation hip prosthesis (United States Patent 6,093,208)

Non-dislocatable low-wear hip prosthesis (United States Patent 6,042,612)

Hip prosthesis (United States Patent 6,030,417)

Hip joint prosthesis (United States Patent 5,980,575)

Set of ancillary equipment for the implantation of acetabular cups of hip prosthesis, and prosthetic acetabular cup assembly ready to be implanted (United States Patent 5,976,148)

Hip joint prosthesis having a 22.22 mm zirconia femoral head and a 12/14 size stem (United States Patent 5,972,033)

Method and apparatus for hip prosthesis (United States Patent 5,951,605)

Apparatus for forming a centered bore for the femoral stem of a hip prosthesis (United States Patent 5,928,240)

Apparatus for, and method of, preparing hip prosthesis implantation (United States Patent 5,910,172)

Components for a modular shoulder and hip prosthesis (United States Patent 5,910,171)

Hip joint prosthesis (United States Patent 5,904,720)

Method and apparatus for forming a centered bore for the femoral stem of hip prosthesis (United States Patent 5,897,560)

Saddle-type hip prosthesis (United States Patent 5,888,207)

Hip joint prosthesis having a zirconia head and a ceramic cup (United States Patent 5,871,547)

Hip prosthesis with adjustable head (United States Patent 5,800,560)

Hip prosthesis (United States Patent 5,800,558)

Hip joint prosthesis to be permanently anchored within a femur of a patient (United States Patent 5,800,553)

Neck length measuring device and method of using same for implanting a hip prosthesis (United States Patent 5,792,143)

Hip joint prostheses and methods for manufacturing the same (United States Patent 5,788,916)

Hip implant prosthesis (United States Patent 5,755,810)

Method and apparatus for performing hip prosthesis surgery (United States Patent 5,755,720)

Hip joint prosthesis (United States Patent 5,741,262)

Cannulated cementless hip stem prosthesis (United States Patent 5,725,595)

Total anatomic hip prosthesis (United States Patent 5,725,593)

Instrument set for preparation of the seat for the femoral component of a non-cemented hip prosthesis (United States Patent 5,704,940)

Modular hip joint prosthesis (United States Patent 5,702,480)

Coaxial ligamented hip prosthesis (United States Patent 5,702,474)

Extraction tool for a shaft of a hip joint prosthesis or of a corresponding rasp (United States Patent 5,674,225)

Hip prosthesis and its use (United States Patent 5,658,352)

Modular hip prosthesis with discrete selectable angular orientation (United States Patent 5,653,764)

Outer shell for an at least two-shell joint socket of a hip joint prosthesis (United States Patent 5,645,606)

Acetabular cup for a total hip prosthesis (United States Patent 5,609,646)

Modular hip prosthesis (United States Patent 5,549,706)

Hip joint prostheses and methods for manufacturing the same (United States Patent 5,549,697)

Composite artificial socket and hip joint prosthesis (United States Patent 5,549,695)

Modular hip prosthesis (United States Patent 5,507,830)

System for performing hip prosthesis revision surgery (United States Patent 5,470,336)

Screw-fixed femoral component for hip joint prosthesis (United States Patent 5,458,654)

Femoral component for a hip prosthesis (United States Patent 5,458,651)

Instrument for disassembling a bipolar hip prosthesis (United States Patent 5,405,404)

Package for hip prosthesis (United States Patent 5,405,005)

Collared hip prosthesis with revision spacer (United States Patent 5,376,124)

Modular hip prosthesis (United States Patent 5,370,706)

Femoral component for a hip prosthesis (United States Patent 5,358,534)

Femoral hip joint prosthesis (United States Patent 5,314,493)

Hip prosthesis (United States Patent 5,314,489)

Modular hip prosthesis (United States Patent 5,286,260)

Rim-bearing acetabular component of hip joint prosthesis (United States Patent 5,217,499)

Modular hip joint prosthesis with adjustable anteversion (United States Patent 5,201,882)

Femoral insert for total hip prosthesis (United States Patent 5,201,770)

Package for hip prosthesis (United States Patent 5,193,679)

System for performing hip prosthesis revision surgery (United States Patent 5,192,283)

Modular hip prosthesis (United States Patent 5,181,928)

Artificial hip joint prosthesis (United States Patent 7,153,328)

Modular femoral stem component for a hip joint prosthesis (United States Patent 7,097,664)

Hip prosthesis with a modular acetabular cup assembly (United States Patent 7,044,974)

Welded hip prosthesis (United States Patent 7,033,399)

Shoulder or hip prosthesis facilitating abduction (United States Patent 7,033,396)

Shaft for anchoring a hip joint prosthesis in the femur (United States Patent 7,004,973)

Biologically reabsorbable acetabular constraining components and materials for use with a hip replacement prosthesis and bioreabsorbable materials to augment hip replacement stability and function (United States Patent 6,923,833)

Modular hip prosthesis (United States Patent 6,911,048)

Bimetal acetabular component construct for hip joint prosthesis (United States Patent 6,827,742)

Leaflike shaft of a hip-joint prosthesis for anchoring in the femur (United States Patent 6,808,539)

Hip joint prosthesis with abutment-protected prosthesis shaft (United States Patent 6,802,866)

Modular femoral stem component for a hip joint prosthesis (United States Patent 6,682,568)

Femoral hip prosthesis (United States Patent 6,626,948)

Acetabular implant for hip prosthesis (United States Patent 6,620,200)

Although his recognition as a registered patent agent permits him to represent others in all patent matters before the United States Patent and Trademark Office, Dr. Demchick limits his practice to patent matters involving inventions for which he is confident that his expertise will allow him to serve his client well. He will gladly discuss whether he is comfortable handling cases involving inventions in a particular field. He will err on the side of declining cases if he has uncertainty about his ability to do what is needed in the case. Dr. Demchick does not represent clients in court. However, he refers clients to a patent attorney who does represent others in court, if it appears likely that patent related representation in court is appropriate. Dr. Demchick prepares and files non-provisional (regular) patent applications and provisional patent applications. He prepares and files utility patent applications and design patent applications. He prepares and files U.S. patent applications and international patent applications under the Patent Cooperation Treaty (PCT). He prepares and files applications to enter the U.S. National Phase for inventions for which international patent applications (PCT) were already filed. One of the matters he discusses with each client or potential client is which type of application(s) best meets that client's needs. He usually does a patent search (patentability search) as part of the preparation of a patent application. He discusses the value of patent searching with each inventor before agreeing to prepare a patent application for that inventor.