CN110292469A - A kind of interim prosthese of infection-resistant medical - Google Patents

A kind of interim prosthese of infection-resistant medical Download PDF

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Publication number
CN110292469A
CN110292469A CN201910556543.4A CN201910556543A CN110292469A CN 110292469 A CN110292469 A CN 110292469A CN 201910556543 A CN201910556543 A CN 201910556543A CN 110292469 A CN110292469 A CN 110292469A
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CN
China
Prior art keywords
femur
filling
infection
bone cement
raised line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910556543.4A
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Chinese (zh)
Inventor
丁焕文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ding Hao Nan
Original Assignee
Ding Hao Nan
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Filing date
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Priority to CN201910556543.4A priority Critical patent/CN110292469A/en
Publication of CN110292469A publication Critical patent/CN110292469A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3607Femoral heads ; Femoral endoprostheses including proximal or total replacement of the femur
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3662Femoral shafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3662Femoral shafts
    • A61F2/3672Intermediate parts of shafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30594Special structural features of bone or joint prostheses not otherwise provided for slotted, e.g. radial or meridian slot ending in a polar aperture, non-polar slots, horizontal or arcuate slots
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30878Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3611Heads or epiphyseal parts of femur
    • A61F2002/3615Heads or epiphyseal parts of femur having a concave shape, e.g. hemispherical cups

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

A kind of interim prosthese of infection-resistant medical, including femoral head body, femur neck body and femur shank body, wherein: the femoral head body is hemispherical, surface is equipped with several first raised lines, the height of projection of first raised line is 1-2mm, first raised line forms several the first filling slots in a crisscross manner, the filling coating formed in first filling slot filled with the bone cement with antibiotic, one end of the femur neck body is fixedly connected with femoral head body Platform center position, the other end is fixedly connected with femur shank body, the femur shank body is from one end that femur neck body connects to another extreme direction, it is gradually reduced in one side with stepped-style.The present invention retains original function of joint, while designing filling slot and being filled bone cement of the covering with antibiotic, filling bone cement make with original prosthese shape, size, physical fit, and there is anti-infection property energy.

Description

A kind of interim prosthese of infection-resistant medical
Technical field
The present invention relates to interim prosthese, especially a kind of interim prosthese of infection-resistant medical.
Background technique
The main reason for postoperative infection after endoprostheses replacement is catastrophic complication and skeleton animation, effectively eliminates Infection is the key that revision procedure is succeeded.Due to the complexity of prosthetic joint infection, the postoperative sense of joint replacement is treated at present Contaminate most common scheme be a phase it is spacious set, the second phase overhauls.One phase, the spacious interim occupy-place prosthese placed after thorough debridement in art of setting had: Antibiotic-loaded bone cement pelletron, self-control band antibiotic-loaded bone cement spacer and therapeutic type reinforcing bar bone cement prosthese.But use antibiosis Plain bone cement pelletron and with antibiotic-loaded bone cement spacer, suffering limb is in and is forced to brake in longer time before the second phase overhauls Position, the serious contracture of periarticular soft tissues, may cause when taking a bone cement beading steel wire fracture or a bone cement beading slide;It controls Treating the interim prosthese of steel bar bone cement can allow for joint flexion-extension motion, but mechanical strength is limited, and cannot leave the bed walking with load, separately It may cause double lower limb Length discrepancy etc. with joint Incomplete matching outside, these can all increase the difficulty of secondary revision procedure.Therefore Under the premise of retaining original function of joint, develop it is a kind of with original prosthese shape, the interim prosthese of size, physical fit, be One phase of joint replacement postoperative infection is spacious to set art urgent need to solve the problem.
Summary of the invention
In order to overcome the disadvantages mentioned above of the prior art, the object of the present invention is to provide a kind of infection-resistant medical is temporarily false Body.
The technical solution adopted by the present invention to solve the technical problems is: a kind of interim prosthese of infection-resistant medical, including Femoral head body, femur neck body and femur shank body, in which: the femoral head body is hemispherical, and surface is equipped with several first raised lines, institute The height of projection for stating the first raised line is 1-2mm, and first raised line forms several the first filling slots in a crisscross manner, described first The filling coating formed in filling slot filled with the bone cement with antibiotic, one end of the femur neck body is fixedly connected with femoral head Body Platform center position, the other end are fixedly connected with femur shank body, and the femur shank body is from one end that femur neck body connects to another Extreme direction is gradually reduced in one side with stepped-style.
As a further improvement of the present invention: the surface of the femur shank body is equipped with several second raised lines, and described second is convex The height of projection of item is 1-2mm, several the second filling slots, filling in second filling slot are formed between second raised line The filling coating for thering is the bone cement with antibiotic to be formed.
As a further improvement of the present invention: the femur shank body runs through from top to bottom end persistently to be filled equipped with femoral bone cavitas medullaris The inlet and outlet pipes of stream.
Compared with prior art, the beneficial effects of the invention are as follows the original functions of joint of reservation, while designing filling slot progress Bone cement of the filling covering with antibiotic, increasing its thickness makes and original prosthese shape, size, physical fit.Resist in bone cement Raw element slow release generates antibacterial efficacy.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is structural schematic diagram of the invention.
Fig. 3 is the structure enlargement diagram of Fig. 2.
Specific embodiment
Now in conjunction with Detailed description of the invention, the present invention is further described with embodiment:
With reference to Fig. 1-3, a kind of interim prosthese of infection-resistant medical, including femoral head body 1, femur neck body 2 and femur shank body 3, in which: the femoral head body 1 is hemispherical, and surface is equipped with several first raised lines 101, and the protrusion of first raised line 101 is high Degree is 1-2mm, and first raised line 101 forms several the first filling slots 102 in a crisscross manner, in first filling slot 102 The filling coating formed filled with the bone cement with mineral element.It include bone cement, Antibiotics in the filling coating Or the mixing of mineral element and the two, wherein mixed proportion and manufacture craft and the method for application spraying belong to existing skill Art, the bone cement with antibiotic has anti-infection effect in the filling coating.
One end of the femur neck body 2 is fixedly connected with 1 platform of femoral head body, 103 center, and the other end is fixedly connected with stock Bone shank body 3, the femur shank body 3 is from one end that femur neck body 2 connects to another extreme direction, in one side gradually with stepped-style It reduces, so that the bottom end width of femur shank body 3 is less than top, form up big and down small shape.
The surface of the femur shank body 3 is equipped with several second raised lines 301, and the height of projection of second raised line is 1mm, institute It states and forms several the second filling slots 302 between the second raised line, be filled with the bone with mineral element in second filling slot 302 The filling coating that cement is formed.Second raised line is divided into laterally the second raised line 31 and vertical second raised line 32, the transverse direction the Two raised lines are set to the edge of ladder in femur shank body stepped-style, and the height between two adjacent ladders gradually subtracts from top to bottom It is few, it tilts the one side of femur shank body 3 and tends to smooth.
The femur shank body 3 runs through water inlet line 303 and water outlet equipped with femoral bone cavitas medullaris continuous perfusion from top to bottom end Pipeline 304.
The medical interim prosthese is referring to the shape of original prosthese, tectonic sieving in vivo, in head body, the handle of original prosthese 2mm Outside Dimensions are reduced on the basis of body, the femoral head body and femur shank body of the implementation case are formed, in femoral head body and femoral stem Increase 1mm raised line on the surface of body and forms filling slot, to facilitate the Cement fixation with antibiotic, attachment to form filling coating, By the way that with original consistent mold inner-cavity of prosthese shape, the solidification for allowing medical prosthesis to pass through filling coating in mold inner-cavity is moulded Shape obtains matched medical interim prosthese consistent with original prosthese shape.
In conclusion after those skilled in the art read file of the present invention, according to the technique and scheme of the present invention with Technical concept is not necessarily to creative mental labour and makes other various corresponding conversion schemes, belongs to the model that the present invention is protected It encloses.

Claims (3)

1. a kind of interim prosthese of infection-resistant medical, including femoral head body, femur neck body and femur shank body, it is characterized in that: described Femoral head body is hemispherical, and surface is equipped with several first raised lines, and the height of projection of first raised line is 1-2mm, described first Raised line forms several the first filling slots in a crisscross manner, is formed in first filling slot filled with the bone cement with antibiotic Coating is filled, one end of the femur neck body is fixedly connected with femoral head body Platform center position, and the other end is fixedly connected with femoral stem Body, the femur shank body are gradually reduced from one end that femur neck body connects to another extreme direction in one side with stepped-style.
2. the interim prosthese of a kind of infection-resistant medical according to claim 1, it is characterized in that: the surface of the femur shank body Equipped with several second raised lines, the height of projection of second raised line is 1-2mm, formed between second raised line several second Filling slot, the interior filling coating formed filled with the bone cement with antibiotic of second filling slot.
3. the interim prosthese of a kind of infection-resistant medical according to claim 1, it is characterized in that: the femur shank body is by top Run through the inlet and outlet pipes equipped with femoral bone cavitas medullaris continuous perfusion to bottom end.
CN201910556543.4A 2019-06-25 2019-06-25 A kind of interim prosthese of infection-resistant medical Pending CN110292469A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111249041A (en) * 2020-02-13 2020-06-09 中南大学湘雅医院 Manufacturing method of hip joint spacer

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5549701A (en) * 1993-09-20 1996-08-27 Mikhail; W. E. Michael Acetabular cup
CN2552503Y (en) * 2002-07-23 2003-05-28 吴栋 Artificial hip joint handle
US20070179627A1 (en) * 2005-12-21 2007-08-02 Gustilo Ramon B Tibial component with a conversion module for a knee implant
CN201692097U (en) * 2010-05-17 2011-01-05 长庚医疗财团法人林口长庚纪念医院 High-compression artificial hip joint filled with antibiotic bone cement
CN102088931A (en) * 2008-08-06 2011-06-08 泰克里斯公司 Modular spacer device for treatment of arthro-prothesis infections
CN202776637U (en) * 2012-08-03 2013-03-13 中国人民解放军第二军医大学 Modified artificial hip joint prosthetic shank
CN202821718U (en) * 2012-01-13 2013-03-27 北京爱康宜诚医疗器材股份有限公司 Group matching femoral stem
CN103181833A (en) * 2011-12-30 2013-07-03 北京爱康宜诚医疗器材股份有限公司 Polyethylene acetabulum capable of being bonded firmly
CN103857362A (en) * 2011-09-19 2014-06-11 泰克里斯公司 Modular spacer device for the treatment of infections of the prosthesis of the human limbs
US20160235955A1 (en) * 2015-02-16 2016-08-18 Augusto Magagnoli Spacer device for treatment of an infected seat of the human body
CN107595444A (en) * 2017-11-03 2018-01-19 青田县人民医院 A kind of preparation method of near end of thighbone bone cement prosthese mould and the prosthese
CN109195551A (en) * 2016-04-11 2019-01-11 考兴顿有限公司 For treating the gasket device of human synovial
CN109259903A (en) * 2018-09-18 2019-01-25 北京市春立正达医疗器械股份有限公司 Type femoral bone end prosthesis
CN210932050U (en) * 2019-06-25 2020-07-07 丁浩男 Anti-infection medical temporary prosthesis

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5549701A (en) * 1993-09-20 1996-08-27 Mikhail; W. E. Michael Acetabular cup
CN2552503Y (en) * 2002-07-23 2003-05-28 吴栋 Artificial hip joint handle
US20070179627A1 (en) * 2005-12-21 2007-08-02 Gustilo Ramon B Tibial component with a conversion module for a knee implant
CN102088931A (en) * 2008-08-06 2011-06-08 泰克里斯公司 Modular spacer device for treatment of arthro-prothesis infections
CN201692097U (en) * 2010-05-17 2011-01-05 长庚医疗财团法人林口长庚纪念医院 High-compression artificial hip joint filled with antibiotic bone cement
CN103857362A (en) * 2011-09-19 2014-06-11 泰克里斯公司 Modular spacer device for the treatment of infections of the prosthesis of the human limbs
CN103181833A (en) * 2011-12-30 2013-07-03 北京爱康宜诚医疗器材股份有限公司 Polyethylene acetabulum capable of being bonded firmly
CN202821718U (en) * 2012-01-13 2013-03-27 北京爱康宜诚医疗器材股份有限公司 Group matching femoral stem
CN202776637U (en) * 2012-08-03 2013-03-13 中国人民解放军第二军医大学 Modified artificial hip joint prosthetic shank
US20160235955A1 (en) * 2015-02-16 2016-08-18 Augusto Magagnoli Spacer device for treatment of an infected seat of the human body
CN109195551A (en) * 2016-04-11 2019-01-11 考兴顿有限公司 For treating the gasket device of human synovial
CN107595444A (en) * 2017-11-03 2018-01-19 青田县人民医院 A kind of preparation method of near end of thighbone bone cement prosthese mould and the prosthese
CN109259903A (en) * 2018-09-18 2019-01-25 北京市春立正达医疗器械股份有限公司 Type femoral bone end prosthesis
CN210932050U (en) * 2019-06-25 2020-07-07 丁浩男 Anti-infection medical temporary prosthesis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111249041A (en) * 2020-02-13 2020-06-09 中南大学湘雅医院 Manufacturing method of hip joint spacer

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Application publication date: 20191001