CN106037994A - Hip bone prosthesis - Google Patents
Hip bone prosthesis Download PDFInfo
- Publication number
- CN106037994A CN106037994A CN201610538997.5A CN201610538997A CN106037994A CN 106037994 A CN106037994 A CN 106037994A CN 201610538997 A CN201610538997 A CN 201610538997A CN 106037994 A CN106037994 A CN 106037994A
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- CN
- China
- Prior art keywords
- main body
- connecting portion
- teeth portion
- hipbone
- dummy
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The 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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30594—Special 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2002/3208—Bipolar or multipolar joints, e.g. having a femoral head articulating within an intermediate acetabular shell whilst said shell articulates within the natural acetabular socket or within an artificial outer shell
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2002/3233—Joints for the hip having anti-luxation means for preventing complete dislocation of the femoral head from the acetabular cup
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/348—Additional features
- A61F2002/3487—Partial acetabular cups, e.g. strips replacing only partially the natural acetabular cartilage
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a hip bone prosthesis comprising a prosthetic body having an arcuate structure, an acetabular cup and a connection device, wherein the prosthetic body comprises a first end and a second end; the first end cooperates with the sacrum in a contact way; and the acetabular cup is connected to the second end by the connection device with the adjustable position. The technical scheme of the invention can effectively solve the problems that the supporting effect of a screw and rod system is unreliable and fatigue crack is liable to cause in the prior art.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of hipbone dummy.
Background technology
Pelvis is the position that bone tumor is sent out well, and pelvic tumor can be divided into primary tumo(u)r and metastatic tumour.The former is the softest
Osteosarcoma, osteosarcoma and Ewing sarcoma, the latter is common in the Bone tumour of mastocarcinoma, renal carcinoma, carcinoma of prostate, pulmonary carcinoma etc..Pelvis swells
Tumor incidence of occult and early diagnosis difficulty, invade scope the biggest when often finding, add pelvis surrounding anatomic complicated and with
A lot of important organs adjoin, and operating difficulty is big, and complication is many, and curative effect is not good enough, and mortality rate is high.At present, pelvic tumor is mainly adopted
Take half pelvis excision or improvement half pelvis excision amputation.But the excision of any pelvic tumor all can cause Cranial defect, Cranial defect
Patient's trunk and lower limb seriality can be caused to interrupt, and impact is stood and walking with load, and patient can not undertake body weight.And walk
When can produce pain, and the long-time walking with load of patient after, acetabular bone there will be introversion, upper shifting.Can cause after pelvic inclination
Scoliosis, causes patient's postoperative life quality degradation.
Before twentieth century seventies, the malignant bone tumor great majority betiding pelvic region need row pelvis excision, pass
The pelvis excision of system is to be excised in the lump with homonymy lower limb by pathological changes pelvis, has thus resulted in the handicap of patient.Along with change
The development of the auxiliary treating methods such as treatment and radiotherapy, the appearance of advanced imaging methods and the raising of all kinds of surgical technic, some are former
The tumor leaning on amputation to treat can also implement limb-sparing surgery now, greatly reduces the deformity of patient.At present, right
Pelvic Malignant Tumor patients underwent's limb salvage treatment of more than 80%.
Owing to pelvic region anatomical structure is complicated, the limb-sparing surgery of pelvis malignant bone tumor is extremely challenging.Pelvic ring be by
The hipbone composition of rumpbone and both sides, every side hipbone is made up of ilium, ischium and pubis.The wide excision of pelvic tumor would generally be made
Become bigger Cranial defect, make the seriality of pelvis interrupt, and lose the Portions of soft tissue of surrounding.Musculoskeletal system tumor association
Propose the typing of pelvic tumor resection art, by anatomical site (ilium is I district, and region acetabularis is II district, and closed pore district is III district)
Type of surgery is divided into: I type (ilium excision)；II type (acetabular bone excision)；Type III (excision of closed pore district)；IV type (relates to rumpbone
Excision).If excise two or more region simultaneously, then excision type is the combination of respective regions, as excised ilium and hip simultaneously
Mortar district, then type of surgery is I, II type；Excising whole pelvis is I, II, type III；If excise femoral head simultaneously, then be H type (as
II H；I, II H, II, III H).
The reconstruction of the postoperative pelvic ring of pelvic tumor resection is the most necessary, so can conduct the weight of trunk to lower limb.
The pelvis of defect is rebuild according to patient's experience, patient profiles's means of different different, conventional method for reconstructing have spacious put art,
Hip joint transposition, fusion of bone, structural allosome autologous bone transplanting, artificial prosthesis and artificial prosthesis are combined allogenic bone transplantation.
Traditional method also cannot rebuild the defect (ilium, acetabular bone and shame ischium) of whole half side pelvis, and the present invention intends to solve
Defect reconstruction problem after the excision of half side pelvis.
Summary of the invention
It is desirable to provide a kind of hipbone dummy, unreliable to solve nail-stick system of the prior art support, hold
The problem of fatiguability fracture.
To achieve these goals, the invention provides a kind of hipbone dummy, including: repair main body, repair main body in
Domes, repair main body and include first end and the second end, and first end contacts cooperation with rumpbone；Acetabular cup and connection
Device, acetabular cup is connected with the second end adjustably by attachment means position.
Further, attachment means includes the first connecting portion and the second connecting portion, the centrage of the first connecting portion and second
The centrage of connecting portion is angled to be arranged, and the second end has the 3rd connecting portion being connected with the first connecting portion, and acetabular cup has
The 4th connecting portion being connected with the second connecting portion.
Further, the first connecting portion is the first axial teeth portion, and the second connecting portion is the second axial teeth portion, the 3rd connecting portion
Being the 3rd axial teeth portion, the 4th connecting portion is the 4th axial teeth portion, and the first axial teeth portion matches with the 3rd axial teeth portion, so that
Repairing the angle adjustable between main body and attachment means, the second axial teeth portion matches with the 4th axial teeth portion, so that acetabular bone
Angle adjustable between cup and attachment means.
Further, the first axial teeth portion is linked together by the first securing member with the 3rd axial teeth portion, and second is axial
Teeth portion is linked together by the second securing member with the 4th axial teeth portion.
Further, the inwall of acetabular cup has annular groove.
Further, the wall of cup of acetabular cup has through hole.
Further, hipbone dummy also includes following closely bar structure, and nail bar structure includes connecting seat and barred body, connect seat with
Reparation main body connects, and barred body is fixed on connection seat, first end is provided with screw hole, is provided with nail seat in screw hole, nail
Seat has spherical inside surface.
Further, connecting seat and include: attachment screw, one end of attachment screw is connected with repairing main body, attachment screw
The other end has spherical ailhead；Barred body fixed part, in order to fixing barred body, one end of barred body fixed part has and matches with spherical ailhead
The spherical inner wall closed, so that barred body fixed part can be rotatably set on attachment screw.
Further, barred body fixed part includes U-shaped bearing and locking cap, and barred body is folded between U-shaped bearing and locking cap.
Further, repairing and be provided with escapement in main body, escapement is folded in reparation main body and is connected between seat,
Escapement includes and the first anticreep feeler of the screw fit being contained in screw hole.
Further, escapement also includes that anticreep main body, anticreep main body are folded in reparation main body and are connected between seat, anti-
Release mechanism also includes that the second anticreep feeler, the first anticreep feeler and the second anticreep feeler are all connected and to extension with anticreep main body
Stretch, the second anticreep feeler is provided with the stop collar coordinated with barred body.
Application technical scheme, hipbone dummy includes repairing main body, acetabular cup and attachment means.Repair main body
First end contact cooperation with rumpbone, acetabular cup contacts cooperation with acetabular bone.The above-mentioned domed structure of reparation main body, has good
Mechanical property, improve structure internal force distribution.In the case of bearing higher stress and shearing force, it is possible to maintain hipbone
The rigidity of dummy so that sclerotin is not readily susceptible to destroy.Therefore said structure solves nail-stick system of the prior art and props up
It is unreliable to support, easy fatigue fracture, the problem of the sclerotin sensitive for damages caused.Additionally, application technical scheme, hip
Mortar cup is connected with the second end repairing main body adjustably by attachment means position, and said structure makes the doctor can basis
The practical situation of patient self adjusts the position repairing acetabular cup, it is ensured that acetabular cup is in good setting angle.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the perspective view coordinated with rumpbone of the embodiment of the hipbone dummy according to the present invention；
Fig. 2 shows the perspective view of the hipbone dummy of Fig. 1；
Fig. 3 shows the perspective view connecting seat of the hipbone dummy of Fig. 1；
Fig. 4 shows the vertical profile structural representation connecting seat of Fig. 3；
Fig. 5 shows the perspective view of another connection seat of the hipbone dummy of Fig. 1；
Fig. 6 shows the vertical profile structural representation connecting seat of Fig. 5；And
Fig. 7 shows the perspective view of the escapement of the hipbone dummy of Fig. 1.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
1, rumpbone；10, main body is repaired；11, first end；111, screw hole；20, acetabular cup；21, annular groove；22, through hole；
30, attachment means；41, the first axial teeth portion；42, the 3rd axial teeth portion；51, the second axial teeth portion；52, the 4th axial teeth portion；
61, seat is connected；611, attachment screw；6111, spherical ailhead；612, barred body fixed part；6121, U-shaped bearing；6122, locking cap；
62, seat is connected；621, attachment screw；6211, spherical ailhead；622, barred body fixed part；6221, U-shaped bearing；6222, locking cap；
63, barred body；70, escapement；71, the first anticreep feeler；72, anticreep main body；73, the second anticreep feeler；74, stop collar.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As depicted in figs. 1 and 2, the hipbone dummy of the present embodiment includes repairing main body 10, acetabular cup 20 and attachment means
30.Wherein, repair the domed structure of main body 10, repair main body 10 and include first end 11 and the second end, first end 11
Cooperation is contacted with rumpbone 1；Acetabular cup 20 is connected with the second end adjustably by attachment means 30 position.
The technical scheme of application the present embodiment, hipbone dummy includes repairing main body 10, acetabular cup 20 and attachment means 30.
The first end 11 repairing main body 10 contacts cooperation with rumpbone 1, and acetabular cup 20 contacts cooperation with acetabular bone.Above-mentioned reparation main body 10 in
Domes, have good mechanical property, improve the internal force distribution of structure.In the feelings bearing higher stress and shearing force
Under condition, it is possible to maintain the rigidity of hipbone dummy so that sclerotin is not readily susceptible to destroy.Therefore said structure solves existing skill
It is unreliable that nail-stick system in art supports, easy fatigue fracture, the problem of the sclerotin sensitive for damages caused.Additionally, application is originally
The technical scheme of invention, acetabular cup 20 is connected with the second end repairing main body 10 adjustably by attachment means 30 position,
Said structure makes doctor can adjust the position repairing acetabular cup according to the practical situation of patient self, thus ensure that acetabular bone
Cup 20 is at good setting angle, and then makes the post-operative recovery of patient more preferable.
As depicted in figs. 1 and 2, in the present embodiment, attachment means 30 includes the first connecting portion and the second connecting portion, first
The centrage of connecting portion and the centrage of the second connecting portion are angled to be arranged, and the second end has the be connected with the first connecting portion
Three connecting portions, acetabular cup 20 has the 4th connecting portion being connected with the second connecting portion.Specifically, acetabular cup 20 is being adjusted as doctor
Position time, both can with acetabular cup 20 both can around the first connecting portion centrage rotate, it is also possible to around the second connecting portion
Centrage rotate.So so that doctor adjusts and repaiies the position of acetabular cup more precisely, more conforms to the practical situation of patient,
Thus further such that the post-operative recovery of patient is more preferable.
As in figure 2 it is shown, in the present embodiment, the first connecting portion is the first axial teeth portion 41, and the second connecting portion is the second axle
To teeth portion 51, the 3rd connecting portion is the 3rd axial teeth portion 42, and the 4th connecting portion is the 4th axial teeth portion 52, the first axial teeth portion 41
Match with the 3rd axial teeth portion 42, so that the angle adjustable repaired between main body 10 and attachment means, the second axial teeth portion
51 match with the 4th axial teeth portion 52, so that the angle adjustable between acetabular cup 20 and attachment means 30.Specifically, doctor is worked as
Life, when adjusting the position repairing acetabular cup, needs to be interlocked the first axial teeth portion 41 with the 3rd axial teeth portion 42, the i.e. first axle
In the groove that teeth portion 41 is inserted in the 3rd axial teeth portion 42.Same, need the second axial teeth portion 51 and the 4th axial teeth portion
52 are interlocked, and the i.e. second axial teeth portion 51 is inserted in the groove in the 4th axial teeth portion 52.Said structure is simple, be easily assembled, one
Determine to shorten in degree operating time, reduce infection chance.
Certainly, those skilled in the art should know the first connecting portion, the second connecting portion, the 3rd connecting portion, the 4th connection
Portion can not be axial gears structure.Angle adjustment mechanism can be separately increased between the first connecting portion and the 3rd connecting portion, should
Angle adjustment mechanism can be arranged on the first connecting portion and/or the 3rd connecting portion.Equally, it is also possible at the second connecting portion and
Separately increasing angle adjustment mechanism between four connecting portions, this angle adjustment mechanism can be arranged on the second connecting portion and/or the 4th even
Connect in portion.
In the present embodiment, the first axial teeth portion 41 and the 3rd axial teeth portion 42 are by the first securing member (not shown)
Linking together, the second axial teeth portion 51 and the 4th axial teeth portion 52 are connected to one by the second securing member (not shown)
Rise.Preferably, in the present embodiment, the first securing member and the second securing member are screw.Said structure is simple, be easily assembled.
In the present embodiment, the inwall of acetabular cup 20 will be bonding by bone cement with hemispherical polyethylene liner.In order to just
In the embedding of bone cement, as in figure 2 it is shown, in the present embodiment, the inwall of acetabular cup 20 has annular groove 21.Said structure letter
Singly, it is easily achieved.
As in figure 2 it is shown, in order to make acetabular cup 20 preferably be connected with hemispherical polyethylene liner, in the present embodiment, hip
There is on the wall of cup of mortar cup 20 through hole 22.Said structure makes bone cement enter through hole 22 and forms grappling.Preferably, through hole 22 is
5～10.
As depicted in figs. 1 and 2, in the present embodiment, hipbone dummy also includes following closely bar structure, and nail bar structure includes connecting
Seat 61, connection seat 62 and barred body 63, connect seat 61 and be connected with lumbar vertebra, connects seat 62 and is connected with repairing main body 10, barred body
63 are fixed on connection seat 61 and connect on seat 62.Said structure strengthens repairs fixing between main body 10 and lumbar vertebra, increases
Add the stability of rumpbone 1, thus avoid lumbar vertebra position.
As shown in Figure 3 and Figure 4, in the present embodiment, connect seat 61 to include: attachment screw 611, the one of attachment screw 611
End is connected with lumbar vertebra, and the other end of attachment screw 611 has spherical ailhead 6111；Barred body fixed part 612, in order to hold-down bars
Body 63, one end of barred body fixed part 612 has the spherical pore matched with spherical ailhead 6111, so that barred body fixed part 612 can
It is rotatably disposed on attachment screw 611；Said structure makes barred body fixed part 612 can be rotatably set in attachment screw 611
On.So so that doctor can adjust the position of barred body 63 according to actual needs, so that installation site is more accurate, peace
Process of assembling is simpler.
As shown in Figure 5 and Figure 6, in the present embodiment, connect seat 62 to include: attachment screw 621, the one of attachment screw 621
Holding and be connected with reparation main body 10, the other end of attachment screw 621 has spherical ailhead 6211；Barred body fixed part 622, in order to fixing
Barred body 63, one end of barred body fixed part 622 has the spherical inner wall matched with spherical ailhead 6211, so that barred body fixed part
622 can be rotatably set on attachment screw 621.Said structure makes barred body fixed part 622 can be rotatably set in connection spiral shell
On nail 621.So so that doctor can adjust the position of barred body 63 according to actual needs, so that installation site is more accurate
Really, installation process is simpler.
As shown in Figure 3 and Figure 4, in the present embodiment, barred body fixed part 612 includes U-shaped bearing 6121 and locking cap 6122,
Barred body 63 is folded between U-shaped bearing 6121 and locking cap 6122.Specifically, the U-shaped inwall of U-shaped bearing 6121 is formed and installs sky
Between, barred body 63 inserts in above-mentioned installing space.The top of the U-shaped inwall of U-shaped bearing 6121 has female thread, and locking cap 6122 has
There is the external screw thread suitable with the female thread of U-shaped bearing 6121.Install barred body 63 time, need first by barred body 63 from installing space
In pass, then locking cap 6122 is screwed onto on U-shaped bearing 6121.Said structure is simple, easy for installation.
As shown in Figure 5 and Figure 6, in the present embodiment, barred body fixed part 622 includes U-shaped bearing 6221 and locking cap 6222,
Barred body 63 is folded between U-shaped bearing 6221 and locking cap 6222.Specifically, the U-shaped inwall of U-shaped bearing 6221 is formed and installs sky
Between, barred body 63 inserts in above-mentioned installing space.The top of the U-shaped inwall of U-shaped bearing 6221 has female thread, and locking cap 6222 has
There is the external screw thread suitable with the female thread of U-shaped bearing 6221.Install barred body 63 time, need first by barred body 63 from installing space
In pass, then locking cap 6222 is screwed onto on U-shaped bearing 6221.Said structure is simple, easy for installation.
As depicted in figs. 1 and 2, in the present embodiment, first end 11 is provided with screw hole 111, sets in screw hole 111
Being equipped with nail seat, nail seat has spherical inside surface.When doctor needs to be fixed by screws on rumpbone 1 reparation main body 10, first
Screw first penetrates screw hole 111, and owing to screw hole 111 is taper hole, the head of screw is bulb, and nail seat has and coordinates with bulb
Spherical inside surface, therefore screw can rotate within the specific limits, and doctor can select the hammering into of screw according to practical situation
Direction.Said structure enables the surgeon to choose screw fixed position according to practical situation so that repair main body 10 and rumpbone 1 it
Between fixed effect more preferably.
Preferably, in the present embodiment, repairing main body 10 is hollow truss structure, on the one hand, above-mentioned truss structure can
Greatly reduce repair main body 10 quality, improve stock utilization, simultaneously can also ensure that repair main body 10 intensity and
Rigidity.On the other hand, use said structure enable to repair main body 10 closer to adjacent skeleton so that bone melts
That closes is better.Owing to after pelvic tumor resection, Anatomical Reconstruction not only needs to meet accurate, complicated requirement, the most also need
Meet requirement disposable, that make to measure.Therefore, in the present embodiment, main body 10 is repaired by 3D printing shaping.Above-mentioned work
Skill itself has precisely, can manufacture complex parts and can the feature of customization of individual character.
It should be noted that it is a kind of brand-new manufacturing technology based on material stacking method that 3D prints rapid shaping technique, district
Not in traditional removal materials processing technology, it is also called increasing material manufacture (AKYCM, AKYCdditive
MAKYCnufAKYCcturing).3D printing technique is the data utilizing three-dimensional CAKYCD, by rapidform machine, and will from level to level
Material stacking become entity.Different types of rapid prototyping system is different because of moulding material used, forming principle and system features
The most each variant, but ultimate principle is the same, that is, " Layered manufacturing, successively superposition ", just as one " three-dimensional printing machine ", because of
This gains the name.Along with manufacturing technology, digital modeling techniques, Numeric Control Technology, information technology, material science and chemistry, biotechnology etc.
The fast development of cutting edge technology and multi-disciplinary hand-in-glove, the exploitation of 3D printing technique has become as now the most popular new
One of technology.3D prints and will present wide application prospect at field of orthopaedics future, and its basic reason is just the spy that 3D prints
Point meets the particular/special requirement of orthopaedics.One, osseous tissue are the Typical Representatives of labyrinth, and existing bionics techniques is difficult to replicate
Its distinctive three-dimensional configuration and physiological function.And 3D prints the quick manufacture being just suitable for labyrinth, approximate ideal can be obtained
Bone renovating material；Two, there is the individual specificity of height due to human body, tradition is extensive, the medical product of mass production
Cannot meet the needs of personalization, and the personalization in the past produced by manufacturing process such as moulds, the one-tenth of customed product
This height, the cycle is long.Along with digitized image technology is in the extensive application of medical field, skeleton is to be easiest to obtain precision digitization
The organ of image, prints it with 3D and combines, can produce the medical product of personalization accurately and fast, at low cost；Cause
This, by 3D printing technique, the short time gets final product " casting " and goes out the implants product of random appearance, preferable biomechanical strength,
Make individuation, customize bone implant product be developed into reality.
In the present embodiment, first end 11 arranges biological coating (not shown).Said structure can promote soon
Osteoblast generates, it is easy to integrates mutually with sclerotin (rumpbone), thus reaches the fixed effect of medium-long term.With traditional operation pattern phase
Ratio, has high intensity, high stability, advantage that Integrated implant ability is strong.
In the present embodiment, first end 11 is provided with the first needle-like projection (not shown).Above-mentioned first needle-like is convex
Act the effect with cuttage grappling, so that rumpbone 1 and the first end 11 repairing main body 10 are fixed together.
As it is shown in fig. 7, in the present embodiment, repairing and be provided with escapement 70 in main body, escapement 70 is folded in be repaiied
Answering main body and be connected between seat 62, escapement 70 includes that the first anticreep with the screw fit being contained in screw hole 111 touches
Angle 71.During use, when connecting seat 62 and screwing, the first anticreep feeler 71 withstands the screw being contained in screw hole 111, connects seat
The attachment screw 621 of 62 is the tightest, and the power that the first anticreep feeler 71 withstands screw is the biggest.Therefore said structure is prevented from screw
Deviate from screw hole 111.Additionally, in the prior art, the attachment screw 621 being screwed into bone often occurs to loosen.Application
Above-mentioned escapement 70 can also provide pretightning force to prevent connection seat 62 from loosening for connecting seat 62.
As it is shown in fig. 7, in the present embodiment, escapement 70 also includes anticreep main body 72, and anticreep main body 72 is folded in repaiies
Answering main body and be connected between seat 62, escapement 70 also includes that the second anticreep feeler 73, the first anticreep feeler 71 and second are prevented
De-feeler 73 is all connected with anticreep main body 72 and stretches out, and the second anticreep feeler 73 is provided with spacing with what barred body 63 coordinated
Set 74.Preferably, the first anticreep feeler 71 is multiple with what screw hole 111 coordinated.Owing to multiple first anticreep feelers 71 are outside
Extending in screw hole 111, and anticreep main body 72 is folded in reparation main body and is connected between seat 62, therefore escapement 70 is limited
Position cannot rotate.Again owing to being provided with stop collar 74 on the second anticreep feeler 73, stop collar 74 coordinates with barred body 63, therefore barred body
63 the most limited cannot rotate.Said structure avoids barred body 63 to rotate, thus adds the stability of system.
Preferably, escapement 70 is spring leaf, and the tail end of the second anticreep feeler 73 of spring leaf is upturned, stop collar
74 tail ends being arranged on the second anticreep feeler 73.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a hipbone dummy, it is characterised in that including:
Repairing main body (10), the domed structure of described reparation main body (10), described reparation main body (10) includes first end (11)
And the second end, described first end (11) contacts cooperation with rumpbone (1)；
Acetabular cup (20) and attachment means (30), described acetabular cup (20) by described attachment means (30) position adjustably with
Described the second end connects.
Hipbone dummy the most according to claim 1, it is characterised in that described attachment means (30) includes the first connecting portion
Angled with the second connecting portion, the centrage of described first connecting portion and the centrage of described second connecting portion arrange, described the
Two ends have the 3rd connecting portion being connected with described first connecting portion, and described acetabular cup (20) has and described second connecting portion
The 4th connecting portion connected.
Hipbone dummy the most according to claim 2, it is characterised in that described first connecting portion is the first axial teeth portion
(41), described second connecting portion is the second axial teeth portion (51), and described 3rd connecting portion is the 3rd axial teeth portion (42), described
Four connecting portions are the 4th axial teeth portion (52), and the described first axial teeth portion (41) is matched with the described 3rd axial teeth portion (42),
So that the angle adjustable between described reparation main body (10) and described attachment means (30), the described second axial teeth portion (51) with
Described 4th axial teeth portion (52) is matched, so that the adjustable angle between described acetabular cup (20) and described attachment means (30)
Joint.
Hipbone dummy the most according to claim 3, it is characterised in that the described first axial teeth portion (41) and the described 3rd
Axially teeth portion (42) is linked together by the first securing member, the described second axial teeth portion (51) and the described 4th axial teeth portion
(52) linked together by the second securing member.
Hipbone dummy the most according to claim 1, it is characterised in that on the inwall of described acetabular cup (20), there is annular groove
(21)。
Hipbone dummy the most according to claim 1, it is characterised in that on the wall of cup of described acetabular cup (20), there is through hole
(22)。
Hipbone dummy the most according to claim 1, it is characterised in that described hipbone dummy also includes following closely bar structure,
Described nail bar structure includes connecting seat (62) and barred body (63), and described connection seat (62) is connected with described reparation main body (10),
Described barred body (63) is fixed on described connection seat (62), and described first end (11) is provided with screw hole (111), described spiral shell
Being provided with nail seat in nail (111), described nail seat has spherical inside surface.
Hipbone dummy the most according to claim 7, it is characterised in that
Described connection seat (62) including:
Attachment screw (621), one end of described attachment screw (621) is connected with described reparation main body (10), described attachment screw
(621) the other end has spherical ailhead；
Barred body fixed part (622), in order to fixing described barred body (63), one end of described barred body fixed part (622) has with described
The spherical inner wall that spherical ailhead matches, so that described barred body fixed part (622) can be rotatably set in described attachment screw
(621) on.
Hipbone dummy the most according to claim 8, it is characterised in that described barred body fixed part (622) includes U-shaped bearing
(6221) and locking cap (6222), described barred body (63) be folded in described U-shaped bearing (6221) and described locking cap (6222) it
Between.
Sacrum bone repair the most according to claim 7, it is characterised in that be provided with escapement on described reparation main body (10)
(70), described escapement (70) is folded in described reparation main body (10) and is connected between seat (62) with described, described escapement
(70) include and the first anticreep feeler (71) of the screw fit being contained in described screw hole (111).
11. sacrum bone repairs according to claim 10, it is characterised in that described escapement (70) also includes anticreep main body
(72), described anticreep main body (72) is folded in described reparation main body (10) and is connected between seat (62) with described, described escapement
(70) also include that the second anticreep feeler (73), described first anticreep feeler (71) and described second anticreep feeler (73) are all and institute
State anticreep main body (72) connect and stretch out, described second anticreep feeler (73) is provided with and coordinates with described barred body (63)
Stop collar (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538997.5A CN106037994B (en) | 2016-07-08 | 2016-07-08 | Hipbone dummy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538997.5A CN106037994B (en) | 2016-07-08 | 2016-07-08 | Hipbone dummy |
Publications (2)
| Publication Number | Publication Date |
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| CN106037994A true CN106037994A (en) | 2016-10-26 |
| CN106037994B CN106037994B (en) | 2018-09-18 |
Family
ID=57186598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610538997.5A Active CN106037994B (en) | 2016-07-08 | 2016-07-08 | Hipbone dummy |
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| CN107137162A (en) * | 2017-06-26 | 2017-09-08 | 北京大学人民医院 | A kind of artificial semi-pelvis prosthesis for being used to rebuild pelvis ilium and Periacetabular defect |
| WO2018006430A1 (en) * | 2016-07-08 | 2018-01-11 | 北京爱康宜诚医疗器材有限公司 | Hip bone repair device |
| CN109276352A (en) * | 2018-09-17 | 2019-01-29 | 上海交通大学医学院附属第九人民医院 | A kind of integrated molding metal pelvis jointing repair prosthesis of 3D printing individuation and preparation method thereof |
| CN112869917A (en) * | 2020-12-30 | 2021-06-01 | 北京中安泰华科技有限公司 | Double-acting full acetabulum printed by 3D |
| CN113367848A (en) * | 2021-05-22 | 2021-09-10 | 北京力达康科技有限公司 | Osteolysis treatment hip joint prosthesis |
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| CN112869917A (en) * | 2020-12-30 | 2021-06-01 | 北京中安泰华科技有限公司 | Double-acting full acetabulum printed by 3D |
| CN113367848A (en) * | 2021-05-22 | 2021-09-10 | 北京力达康科技有限公司 | Osteolysis treatment hip joint prosthesis |
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|---|---|
| CN106037994B (en) | 2018-09-18 |
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Effective date of registration: 20210406 Address after: 102200 Beijing science and Technology Park of Changping District Bai Fu Road 10 Patentee after: Beijing AK Medical Co.,Ltd. Address before: 100044 No. 11 South Main Street, Xicheng District, Beijing, Xizhimen Patentee before: Peking University People's Hospital |
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