CN108175541A - Ruler oar distal forearm rotates prosthese - Google Patents
Ruler oar distal forearm rotates prosthese Download PDFInfo
- Publication number
- CN108175541A CN108175541A CN201810082117.7A CN201810082117A CN108175541A CN 108175541 A CN108175541 A CN 108175541A CN 201810082117 A CN201810082117 A CN 201810082117A CN 108175541 A CN108175541 A CN 108175541A
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- Prior art keywords
- groove
- protrusion
- prosthese
- distal
- rotates
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- 238000000576 coating method Methods 0.000 claims description 8
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- 230000010261 cell growth Effects 0.000 claims description 4
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 3
- 239000010952 cobalt-chrome Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 3
- 230000001225 therapeutic effect Effects 0.000 abstract description 2
- 210000000623 ulna Anatomy 0.000 description 65
- 230000033001 locomotion Effects 0.000 description 10
- 210000000988 bone and bone Anatomy 0.000 description 9
- 210000004872 soft tissue Anatomy 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
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- 230000006698 induction Effects 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 5
- 241000208340 Araliaceae Species 0.000 description 4
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 4
- 235000003140 Panax quinquefolius Nutrition 0.000 description 4
- 235000008434 ginseng Nutrition 0.000 description 4
- 208000004141 microcephaly Diseases 0.000 description 4
- 210000002435 tendon Anatomy 0.000 description 4
- 210000000658 ulnar nerve Anatomy 0.000 description 4
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- 208000006820 Arthralgia Diseases 0.000 description 1
- 208000025516 Forearm injury Diseases 0.000 description 1
- 241000135309 Processus Species 0.000 description 1
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- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 210000002221 olecranon process Anatomy 0.000 description 1
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- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
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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
- A61F2/28—Bones
-
- 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
- A61F2/28—Bones
- A61F2002/2871—Radius
-
- 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
- A61F2/28—Bones
- A61F2002/2896—Ulna
-
- 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
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
-
- 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
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30354—Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
-
- 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
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30362—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
-
- 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
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30649—Ball-and-socket joints
Abstract
The present invention relates to medical prosthetic technical fields, rotate prosthese more particularly, to a kind of ruler oar distal forearm.Ruler oar distal forearm rotates prosthese, including first and second；Described first is connected with described second, and described first and described second can relatively rotate along junction；Described first is provided with the first fixed part far from the side of described second；Described second is provided with the second fixed part far from the side of described first.The purpose of the present invention is to provide a kind of ruler oar distal forearms to rotate prosthese, cannot restore forearm spinfunction with the therapeutic scheme for solving dislocation of distal radioulnar joint in the prior art or rotate the technical issues of unstable.
Description
Technical field
The present invention relates to medical prosthetic technical fields, rotate prosthese more particularly, to a kind of ruler oar distal forearm.
Background technology
Focile is made of ulna and radius, and two bones borrow interosseous membrane, far and near proximal radioulnar joint ligament and capsular ligament to be connected, closely
The upper and lower ulnoradial joint of end and distal end is the primary condition of forearm rotary motion in place, and muscle is to provide supination before forearm revolves
Power.The pivoting mechanism of forearm is in the case that ulna remains fixed, and radius is using forearm rotary shaft as pivot center, relative to ruler
Bone rotates, wherein, line of the forearm rotary shaft for caput radii central point to processus styloideus ulnae base portion, and the rotary motion of forearm is encloses
It is rotated around rotary shaft.Rotary shaft and the long axis of bone of ulna two different straight lines each other.
Wrist pain and lower ruler caused by oldness dislocation of distal radioulnar joint caused by wound or retrogression pathological changes, shock
Some row clinical symptoms caused by oar activity is hit, are generally treated by following scheme：
1st, ulna distal resection, but the stability without restoring ruler oar distal end, cause ulnar side soft tissue to be hit with ulna stump
It hits, does not restore the rotary shaft before forearm wound, the functional anatomy for not reaching forearm rotary motion resets；2、sauve-
Kapkndji arts cut off ulna neck, discontinuity synthetism under neck, the operation that head of ulna is merged with distal radius.Because ulna is cut
Caused by the wrist and radius precedence constraints power occurred after bone loses during wrist rotation, with being hit before and after soft tissue and ulnar nerve,
Do not restore the stability of ruler oar distal end when forearm rotates, ulnar side soft tissue is caused to be hit with ulna stump, cause long-term effect
There is the snap occurred when the damage of ulnar nerve and joint rotation in groups of people or even somebody extensor digiti minimi muscle tendon occurs because shock is residual
End fracture.Though this operation can rotate, without restoring the anatomical reduction of the rotary shaft before forearm is hindered.It is near to lose ulna simultaneously
Hold the restraining force to ulna distal end and radius.The anatomical reduction of rotary shaft when also without providing forearm rotation；3rd, there is groups of people's report
Road artificial ruler bone displacement can not improve the spinfunction of forearm well；4th, have and take Tendon palmaris longus row distal radioulnar ioint
The report of deltoid ligament reconstruction operations treatment still lacks effective prosthese by distal radioulnar ioint recovery stability and before restoring at present
The movement of the axial rotary of arm.
Therefore, the application provides a kind of ruler oar distal forearm rotation prosthese regarding to the issue above.
Invention content
The purpose of the present invention is to provide a kind of ruler oar distal forearm rotate prosthese, with solve it is in the prior art under
The therapeutic scheme of ulnoradial joint dislocation cannot restore the technical issues of forearm spinfunction or unstable rotation.
Based on above-mentioned purpose, the present invention provides a kind of ruler oar distal forearm rotation prosthese, including first and second；
Described first is connected with described second, and described first can be opposite along junction with described second
Rotation；
Described first is provided with the first fixed part far from the side of described second；
Described second is provided with the second fixed part far from the side of described first.
In any of the above-described technical solution, further, it is provided with protrusion on first of the present invention, described second
On be provided with and the corresponding groove of protrusion；The protrusion is inserted in the groove, and can be turned in the groove
It is dynamic；
Alternatively, described first upper setting is fluted, it is provided on described second and the corresponding protrusion of the groove；
The protrusion is inserted in the groove, and can be rotated in the groove.
In any of the above-described technical solution, further, on first of the present invention run through and offer first positioning hole；
Run through on described second and offer the second location hole；
During described first and described second connection, the axis of the axis of the first positioning hole and second location hole
Line overlaps, and forms location hole；
The axis of the rotary shaft of the ruler oar distal forearm rotation prosthese is overlapped with the axis of the location hole.
In any of the above-described technical solution, further, for protrusion of the present invention in cylinder, the groove is in cylinder
Body, and the protrusion is corresponding with the groove；
Alternatively, the protrusion, in cylinder, the circumferential surface of the protrusion is provided with annular protrusion, and the axis of the annular protrusion
Line is overlapped with the axis of the protrusion；The groove is in cylinder, and the circumferential surface of the groove is provided with annular groove, and the ring
The axis of connected in star is overlapped with the axis of the groove；The protrusion is corresponding with the groove, and the protrusion is inserted in described
When in groove, the annular protrusion and the annular groove are corresponding；
Alternatively, the protrusion, in sphere, the groove is in sphere, and the protrusion is corresponding with the groove；
Alternatively, the protrusion, in round estrade, the groove is in round estrade, and the large end face of the round estrade is far from described recessed
The slot bottom of slot, the protrusion are corresponding with the groove.
In any of the above-described technical solution, further, the first fixed part of the present invention is intramedullary nail and/or locking
Plate；
Second fixed part is intramedullary nail and/or lockplate.
In any of the above-described technical solution, further, when the first fixed part of the present invention includes lockplate, the lock
Fixed board and it is first described between have gap；
And/or second fixed part include lockplate when, the lockplate and it is second described between have gap.
In any of the above-described technical solution, further, first of the present invention is opened far from the side of described second
Equipped with multiple first nail hole, first nail hole is used to plug the intramedullary nail；Pass through first between multiple first nail hole
Intercommunicating pore connects；
And/or described second side described first separate offers multiple second nail hole, second nail hole is used
In plugging the intramedullary nail；It is connected between multiple second nail hole by the second intercommunicating pore.
In any of the above-described technical solution, further, intramedullary nail surface of the present invention, which is provided with, reinforces groove and micro-
Pore structure；
And the intramedullary nail surface is provided with coating, the coating can induce bone cell growth.
In any of the above-described technical solution, further, the material of intramedullary nail of the present invention and/or the lockplate is
Metal；
Described first is metal with the material of second.
In any of the above-described technical solution, further, first of the present invention and it is second described between connection
The material at place is ultra-high molecular weight polyethylene or cobalt chrome molybdenum or high crosslinked polyethylene.
Using above-mentioned technical proposal, the present invention has the advantages that：
Ulna distal end microcephaly is cut off or cuts neck of the ulna close to distal end by the ulnoradial joint dislocation of patient forearm
Fall one end, to realize that ulna proximally and distally detaches.If by ulna distal end microcephaly cut off, by first by the first fixed part with
Distal radius is fixedly connected, and second is fixedly connected by the second fixed part with proximal ulna, realizing radius can be opposite
It is rotated in ulna；It is remote with radius by the realization of the first fixed part by first if neck of the ulna close to distal end is cut out one end
End and ulna distal end be fixedly connected with, second is fixedly connected by the second fixed part with proximal ulna, realize radius with
Ulna distal end can be rotated relative to the proximal end of ulna.
Specifically, when muscle pulls radius rotation, distal radius and first are fixedly connected, and first rotates therewith；
In addition, first and second connection, and first and second can relatively rotate along junction, realize first relatively
In second rotation, it is fixedly connected due to second with proximal ulna, it is thus achieved that radius is rotated relative to proximal ulna, and
The continuity of distal radius and proximal ulna is restored by prosthese, so as to restore the spinfunction of forearm, and has been radius phase
Auxiliary and supporting role are provided for ulna rotation, so as to improve the stability that radius is rotated relative to ulna.
The additional aspect and advantage of the present invention will become practice apparent or by the present invention in following description section
Recognize.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the front view for the first structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 2 is the side view for the first structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 3 is the front view for the second structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 4 is the side view for the second structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 5 is the front view for the third structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 6 is the side view for the third structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 7 is the front view for the 4th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 8 is the side view for the 4th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Fig. 9 is the front view for the 5th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 10 is the side view for the 5th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 11 is the front view for the 6th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 12 is the side view for the 6th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 13 is the front view for the 7th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 14 is the side view for the 7th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 15 is the front view for the 8th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 16 is the side view for the 8th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 17 is the front view for the 9th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese；
Figure 18 is the side view for the 9th structure that ruler oar distal forearm provided in an embodiment of the present invention rotates prosthese.
Icon：11- first；12- second；The first fixed parts of 21-；The second fixed parts of 22-；3- protrusions；4- is positioned
Hole；41- first positioning holes；The second location holes of 42-；51- intramedullary nails；52- lockplates；The first intercommunicating pores of 61-；62- second is connected
Hole；7- annular protrusions.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Prosthese is rotated referring to shown in Fig. 1-Figure 18, the present embodiment provides a kind of ruler oar distal forearms, including first 11 He
Second 12；
Described first 11 is connected with described second 12, and described first 11 and it is described second 12 can along even
Place is met to relatively rotate；
Described first 11 is provided with the first fixed part 21 far from the side of described second 12；
Described second 12 is provided with the second fixed part 22 far from the side of described first 11.
Ulna distal end microcephaly is cut off or cuts neck of the ulna close to distal end by the ulnoradial joint dislocation of patient forearm
Fall one end, to realize that ulna proximally and distally detaches.If by ulna distal end microcephaly cut off, by first by the first fixed part with
Distal radius is fixedly connected, and second is fixedly connected by the second fixed part with proximal ulna, realizing radius can be opposite
It is rotated in ulna；It is remote with radius by the realization of the first fixed part by first if neck of the ulna close to distal end is cut out one end
End and ulna distal end be fixedly connected with, second is fixedly connected by the second fixed part with proximal ulna, realize radius with
Ulna distal end can be rotated relative to the proximal end of ulna.
Specifically, when muscle pulls radius rotation, distal radius and first are fixedly connected, and first rotates therewith；
In addition, first and second connection, and first and second can relatively rotate along junction, realize first relatively
In second rotation, it is fixedly connected due to second with proximal ulna, it is thus achieved that radius is rotated relative to proximal ulna, and
The continuity of distal radius and proximal ulna is restored by prosthese, so as to restore the spinfunction of forearm, and has been radius phase
Auxiliary and supporting role are provided for ulna rotation, so as to improve the stability that radius is rotated relative to ulna.
Optionally, ginseng is seen figure 1 and figure 2, and protrusion 3 is provided on described first, be provided on described second and
Convex 3 corresponding grooves；Described raised 3 are inserted in the groove, and can be rotated in the groove；
Alternatively, described first upper setting is fluted, it is provided on described second and the corresponding protrusion of the groove
3；Described raised 3 are inserted in the groove, and can be rotated in the groove.
Can realize between first and second connection limiting and first and second between it is opposite
Rotation, and simple in structure, at low cost, high practicability.
Preferably, it is shown in Figure 1, run through on described first 11 and offer first positioning hole 41；
Run through on described second 12 and offer the second location hole 42；
Described first 11 and it is described second 12 connection when, the axis of the first positioning hole 41 and it is described second positioning
The axis in hole 42 overlaps, and forms location hole 4；
The axis of the rotary shaft of the ruler oar distal forearm rotation prosthese is overlapped with the axis of the location hole.
Straight trip guide pin can be accommodated in location hole 4, straight trip guide pin for example can be Kirschner wire.
Straight trip guide pin is fixed in forearm rotary shaft by the forearm rotary shaft combination assistant positioning system of patient first, is made
Location hole is passed through straight trip guide pin by the used time, location hole to be enabled to be adjusted with guide pin is performed to the rotation overlapping of axles with forearm, so as to enable
Radius, using the rotary shaft of patient forearm as practical rotary shaft, corrects for the rotation position of radius, meets relative to the rotation of ulna
Human body forearm anatomical motion function assessment restores that while the stability between the ruler oar of distal end spinfunction can be restored.
In conclusion the characteristics of prosthese provided in this embodiment, is in forearm rotary moveable soft tissue to retain
The carpal anatomical structure of patient's ruler, while restoring continuity support of the ulna to radius, in the concentric rotation axis of forearm
Rotating device is designed, restores spinfunction.
Optionally, referring to shown in Fig. 1-Figure 12, described raised 3 be in cylinder, and the groove is in cylinder, and the protrusion
3 and the groove it is corresponding；
Alternatively, referring to shown in Figure 13 and Figure 14, described raised 3 be in cylinder, and raised 3 circumferential surface is provided with convex annular
7 are played, and the axis of the annular protrusion 7 is overlapped with raised 3 axis；The groove is in cylinder, the week of the groove
Face is provided with annular groove, and the axis of the annular groove is overlapped with the axis of the groove；The protrusion and the groove
Corresponding, when the protrusion is inserted in the groove, the annular protrusion and the annular groove are corresponding；
Alternatively, referring to shown in Figure 15 and Figure 16, the protrusion is in sphere, and the groove is in sphere, and the protrusion and institute
It is corresponding to state groove；
Alternatively, referring to shown in Figure 17 and Figure 18, the protrusion is in round estrade, and the groove is in round estrade, and the round platform
Slot bottom of the large end face of body far from the groove, the protrusion are corresponding with the groove.
The protrusion is corresponding with the groove, that is, protrusion and groove gap cooperation, realizing can relatively rotate.
Because the rotary shaft of patient forearm has individual differences, the motion range for giving prosthese according to the forearm rotary shaft of patient is excellent
Selection of land provides a variety of prostheses：
As achievable first way, the protrusion is in cylinder in cylinder, the groove, enables protrusion being capable of edge
The axis direction movement of groove, can provide slight vertical shift of the forearm to distal end, reduce because of the long-term drawing knot of longitudinal force
Potential prosthetic loosening caused by fruit has long-term stability.
As the achievable second way, for the protrusion in cylinder, the circumferential surface of the protrusion is provided with annular protrusion,
The groove is in cylinder, and the circumferential surface of the groove is provided with annular groove, and patient's such as forearm injury, interosseous membrane is unstable, preceding
Arm damages, and longitudinal stability power is unstable, and pain when longitudinal direction pulls, this prosthese can provide the stabilization of forearm longitudinal direction, mitigates pain.
As the third achievable mode, the protrusion is in sphere, and the groove is in sphere, for some patientss forearm
The larger patient of rotary shaft range, can be used can lateral fine motion spherical prosthese, more meet the forearm personalization whirler of patient
The anatomical reduction of rotary shaft under system.
As achievable 4th kind of mode, the protrusion is in round estrade in round estrade, the groove, this prosthese feature is
Longitudinal slip and the fine motion of rotary shaft can be provided.Longitudinal direction can be rotated when rotating because of some patientss forearm along forearm rotary shaft to move
Dynamic, rotary shaft moves in a certain range, non-constant, and such prosthese coaster may be selected.
Optionally, first fixed part 21 is intramedullary nail 51 and/or lockplate 52；
Second fixed part 22 is intramedullary nail 51 and/or lockplate 52.
It is achieved that proximal ulna is connected as a static entirety with second, distal radius and first are connected as one
It is a static whole.
Optionally, the connecting hole on lockplate is unthreaded hole or threaded hole.
Specifically, shown in Figure 1, first fixed part is intramedullary nail；
Alternatively, first fixed part is lockplate；
Alternatively, referring to shown in Fig. 5 and Fig. 6, first fixed part is intramedullary nail and lockplate.
Preferably, first fixed part is intramedullary nail and lockplate.
Optionally, ginseng is seen figure 1 and figure 2, and second fixed part is intramedullary nail；
Alternatively, second fixed part is lockplate；
Alternatively, referring to shown in Fig. 3 and Fig. 4, second fixed part is intramedullary nail and lockplate.
Preferably, second fixed part is intramedullary nail and lockplate.
Optionally, lockplate is located at the ulnar side or back side of prosthese.
In conclusion fix ulna and radius down through Internal fixation technology, ulna, radius and prosthese there are continuity,
The spinfunction of forearm is also restored simultaneously, distal radius can be restored and when wrist portion moves to the left and right of distal radius and wrist
And restraining force in the front-back direction, avoid the soft tissue around ulna (soft including ulnar side distal end tendon and ulnar nerve and ulnar artery
Tissue complex) ulna stump is hit when forearm rotates, when forearm rotates after restoring ulna distal resection or being merged with radius
Caused ulnar side soft tissue relative quiescent is stablized, and reduces complication caused by hitting, can effectively restore patient forearm's rotation
Axis reduces complication, has reached the anatomical reduction of forearm movement rotary shaft.
As achievable mode, ginseng is seen figure 1 and figure 2, and the first fixed part is intramedullary nail, and the second fixed part is in marrow
Nail；
Referring to shown in Fig. 3 and Fig. 4, the first fixed part is intramedullary nail, and the second fixed part is intramedullary nail and fixed plate；
Referring to shown in Fig. 5 and Fig. 6, the second fixed part is intramedullary nail, and the first fixed part is intramedullary nail and fixed plate；
Referring to shown in Fig. 7 and Fig. 8, the second fixed part is intramedullary nail and fixed plate, and the first fixed part is intramedullary nail and fixation
Plate.
Preferably, it is shown in Figure 8, when first fixed part includes lockplate, the lockplate and first described
Between have gap；
And/or it is shown in Figure 7, second fixed part include lockplate when, the lockplate and it is described second it
Between have gap.
Specifically, first fixed part include lockplate when, the lockplate and it is first described between have gap；
Alternatively, second fixed part include lockplate when, the lockplate and it is second described between have gap；
Alternatively, first fixed part include lockplate when, the lockplate and it is first described between have gap；And institute
State the second fixed part include lockplate when, the lockplate and it is second described between have gap.
Preferably, first fixed part include lockplate when, the lockplate and it is first described between have gap；And
Second fixed part include lockplate when, the lockplate and it is second described between have gap.
The lockplate and it is first described between have gap, state lockplate and it is second described between have gap, it is feasible
Cortex of bone passes through.Realization induction of bone growth simultaneously merges well with first, increase stability, fixing-stable power in raising；With
And realize and induction of bone growth and merged well with second, increase stability, fixing-stable power in raising.
Preferably, ginseng is seen figure 1 and figure 2, and described first offers multiple first far from the side of described second
Nail hole, first nail hole are used to plug the intramedullary nail；Between multiple first nail hole 61 are connected by the first intercommunicating pore；
And/or described second side described first separate offers multiple second nail hole, second nail hole is used
In plugging the intramedullary nail；Between multiple second nail hole 62 are connected by the second intercommunicating pore.
Specifically, described first offers multiple first nail hole, first nail far from the side of described second
Hole is used to plug the intramedullary nail；It is connected between multiple first nail hole by the first intercommunicating pore；
Alternatively, described second offers multiple second nail hole far from the side of described first, second nail hole is used
In plugging the intramedullary nail；It is connected between multiple second nail hole by the second intercommunicating pore；
Alternatively, described first offers multiple first nail hole far from the side of described second, first nail hole is used
In plugging the intramedullary nail；It is connected between multiple first nail hole by the first intercommunicating pore；And described second separate described
The side of first offers multiple second nail hole, and second nail hole is used to plug the intramedullary nail；Multiple second nails
It is connected between hole by the second intercommunicating pore.
Preferably, described first offers multiple first nail hole, first nail hole far from the side of described second
For plugging the intramedullary nail；It is connected between multiple first nail hole by the first intercommunicating pore；And described second separate institute
It states the side of first and offers multiple second nail hole, second nail hole is used to plug the intramedullary nail；Multiple described second
It is connected between nail hole by the second intercommunicating pore.The compatibility of marrow and sclerotin can be used and combine Intramedullary nailing technology, induction
Bone uptake simultaneously merges well, is less prone to first and/or second rotation and longitudinal direction loosens and unstable and avoid feeling
Dye.
Preferably, the intramedullary nail surface, which is provided with, reinforces groove and microcellular structure；
And the intramedullary nail surface is provided with coating, the coating can induce bone cell growth.
It can further realize with induction of bone growth and merge well, increase stability.
Intramedullary nail face coat preferably 1, tantalum micro porous coating.2nd, hydroxyapatite can be realized further and induction bone
It grows and merges well, increase stability 3, possess the porous ceramics coating that induction bone cell growth realizes biological fixation.
Preferably, the material of the intramedullary nail and/or the lockplate is metal；
Described first is metal with the material of second.
Specifically, the material of the intramedullary nail is metal；Alternatively, the material of the lockplate is metal；It is alternatively, described
The material of intramedullary nail and lockplate is metal.
Preferably, intramedullary nail, fixed plate and first, the material of second are vitallium or titanium alloy.
Preferably, described first and it is second described between junction material be ultra-high molecular weight polyethylene or
Cobalt chrome molybdenum or high crosslinked polyethylene.
Spin friction coefficient is low, prolongs the service life.
When neck of the ulna close to distal end is cut out one end, the advantageous effect of rotation prosthese provided in this embodiment is used
For：Retain ulna distal end, while the continuity for restoring ulna stump to radius supports on the Pivot axle of forearm is coaxial
Rotating device is designed, restores spinfunction.
Ulna distance end is fixed in prosthese both ends by Internal fixation technology, and far and near end and prosthese exist continuous after ulnar osteotomies
Property, while also restore spinfunction, distal radius can be restored and when wrist portion moves to the left and right of distal radius and wrist and preceding
The restraining force of rear direction avoids the soft tissue (soft tissue including ulnar side distal end tendon and ulnar nerve and ulnar artery around ulna
Complex) ulna stump is hit when forearm rotates, cause when forearm rotates after restoring ulna distal resection or being merged with radius
Ulnar side soft tissue relative quiescent stablize, reduce hit caused by complication, effectively restored patient forearm's rotary shaft rotation,
Reduce complication.
Referring to shown in Fig. 9-Figure 12, this right gives the intramedullary nail at far and near end preferably combining locking because of individual difference
It is fixed in plate, lockplate is distally placed in ulnar side, proximal end lockplate is preferably put in back side.Because being such as put in ulnar side, patient
Feeling of pain may be depressed into because of pad when hand is positioned on table, if patient's ulna is shorter, steel plate placement in proximal end need to be completely exfoliated
Show finger extensor muscle of fingers, can be selected to be positioned over the circulator of the steel plate class of ulnar side.
Specific operation method：First patient forearm's rotary shaft combination assistant positioning system is existed one piece of Kirschner wire fixation in art
In rotary shaft (need to be from notch a certain distance), Kirschner wire can pass through the location hole of rotation coaster.
Operation takes back side notch, successively cuts to ulna distal end, patient forearm's supinator position gives head of ulna proximally row one
Section property osteotomy (retaining a part of backbone, about 1.5-2cm under head of ulna), the length of osteotomy varies with each individual.
Give the ulna stump at the Using prosthesis distance end of the present embodiment, the ruler being implanted into after osteotomy section is modified under lower ruler oar
The gap (when necessary here implantation self-bone grafting growth-gen) of radius, screw is screwed into from ulnar side, together fixes head of ulna, Hui Zhi
Osteocomma and distal radius form distal radius and wrist portion and the protrusion of head of ulna, distal end Medullary fixation stick and rotation coaster
The distal end of rotation, the intramedullary nail of proximal end are fixed through back side thenad skidding screw, the recess portion and intramedullary nail and ruler of proximal end rotation coaster
Proximal bone to olecranon forms a static rotation proximal end.It is needed the rotation axial adjustment of prosthese and forearm rotary shaft side in art in time
Upward Kirschner wire can pass through location hole, adjust forearm rotary shaft and the rotation overlapping of axles of prosthese.Intramedullary nail is according to state of an illness necessity
When can combine bone cement use.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments means in of the invention
Within the scope of and form different embodiments.For example, in claims above, embodiment claimed is appointed
One of meaning mode can use in any combination.The information for being disclosed in the background technology part is merely intended to deepen to this
The understanding of the general background technology of utility model, and be not construed as recognizing or imply that information composition has been in any form
The prior art known in those skilled in the art.
Claims (10)
1. a kind of ruler oar distal forearm rotates prosthese, which is characterized in that including first and second；
Described first is connected with described second, and described first and described second can turn along junction is opposite
It is dynamic；
Described first is provided with the first fixed part far from the side of described second；
Described second is provided with the second fixed part far from the side of described first.
2. ruler oar distal forearm according to claim 1 rotates prosthese, which is characterized in that is provided on described first convex
It rises, is provided on described second and the corresponding groove of protrusion；The protrusion is inserted in the groove, and can be
It is rotated in the groove；
Alternatively, described first upper setting is fluted, it is provided on described second and the corresponding protrusion of the groove；It is described
Protrusion is inserted in the groove, and can be rotated in the groove.
3. ruler oar distal forearm according to claim 1 rotates prosthese, which is characterized in that runs through on described first and opens up
There is first positioning hole；
Run through on described second and offer the second location hole；
During described first and described second connection, the axis weight of the axis of the first positioning hole and second location hole
It closes, forms location hole；
The axis of the rotary shaft of the ruler oar distal forearm rotation prosthese is overlapped with the axis of the location hole.
4. ruler oar distal forearm according to claim 2 rotates prosthese, which is characterized in that the protrusion is in cylinder, institute
Groove is stated in cylinder, and the protrusion is corresponding with the groove；
Alternatively, the protrusion is in cylinder, the circumferential surface of the protrusion is provided with annular protrusion, and the axis of the annular protrusion and
The axis of the protrusion overlaps；The groove is in cylinder, and the circumferential surface of the groove is provided with annular groove, and the annular is recessed
The axis of slot is overlapped with the axis of the groove；The protrusion is corresponding with the groove, and the protrusion is inserted in the groove
When interior, the annular protrusion and the annular groove are corresponding；
Alternatively, the protrusion, in sphere, the groove is in sphere, and the protrusion is corresponding with the groove；
Alternatively, the protrusion, in round estrade, the groove is in round estrade, and the large end face of the round estrade is far from the groove
Slot bottom, the protrusion are corresponding with the groove.
5. prosthese is rotated according to claim 1-4 any one of them ruler oars distal forearm, which is characterized in that described first fixes
Portion is intramedullary nail and/or lockplate；
Second fixed part is intramedullary nail and/or lockplate.
6. ruler oar distal forearm according to claim 5 rotates prosthese, which is characterized in that first fixed part includes lock
During fixed board, the lockplate and it is first described between have gap；
And/or second fixed part include lockplate when, the lockplate and it is second described between have gap.
7. ruler oar distal forearm according to claim 5 rotates prosthese, which is characterized in that described first far from described the
The side of two offers multiple first nail hole, and first nail hole is used to plug the intramedullary nail；Multiple first nail hole
Between pass through the first intercommunicating pore connect；
And/or described second side described first separate offers multiple second nail hole, second nail hole is used to insert
If the intramedullary nail；It is connected between multiple second nail hole by the second intercommunicating pore.
8. ruler oar distal forearm according to claim 5 rotates prosthese, which is characterized in that the intramedullary nail surface is provided with
Reinforce groove and microcellular structure；
And the intramedullary nail surface is provided with coating, the coating can induce bone cell growth.
9. ruler oar distal forearm according to claim 8 rotates prosthese, which is characterized in that the intramedullary nail and/or described
The material of lockplate is metal；
Described first is metal with the material of second.
10. ruler oar distal forearm according to claim 2 rotates prosthese, which is characterized in that described first and described the
The material of junction between two is ultra-high molecular weight polyethylene or cobalt chrome molybdenum or high crosslinked polyethylene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082117.7A CN108175541A (en) | 2018-01-29 | 2018-01-29 | Ruler oar distal forearm rotates prosthese |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082117.7A CN108175541A (en) | 2018-01-29 | 2018-01-29 | Ruler oar distal forearm rotates prosthese |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810082117.7A Pending CN108175541A (en) | 2018-01-29 | 2018-01-29 | Ruler oar distal forearm rotates prosthese |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827377A (en) * | 2021-09-24 | 2021-12-24 | 北京积水潭医院 | Joint prosthesis for assisting forearm rotation |
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| CN113827377B (en) * | 2021-09-24 | 2023-06-16 | 北京积水潭医院 | Joint prosthesis assisting forearm rotation |
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