Note: Descriptions are shown in the official language in which they were submitted.
~L;23(~
BEAUREGARD OF 'rye INYENTIO~
____
The pronto inv~ntic~n relates to an replan poetic-
laxly an endoprol3thu~1s, computed f lust part which Jan
by plugged onto a conical pin provided it A second pat.
Fox implant, particularly endop~o~the~ea, to nice
pity nay arid to replace or reincur parts ox thy implant .
In veer to avoid, when rQpl~cing one par, 'Shea ~xpiantation
of the other pyrrhic ox the implant, which it ~lrn~ly Sue Tad
into, the cue the irrupt part muon be ~ep~rate~, for thy
replacement, from the o~cond port which remzlin~s in the bone.
This separation of pats wedged in one another ~equlra~
large o'er end there exult the danger ox d~snage to bony
or Tao due to m~nipulatlon accident, owe example slip-
pave ox the chl~el-liko tool usually used or equating the
oppression
Such implant are used with pr~:Eerenee a pretty
fur hip or knew joints.. In such Cobb thy Second part
includes in Dalton to a ha t a conical pin onto Wylie
aye irrupt port including the rut phyla joint ~llr~ace it
20 placid. This Ursa is Utah to we which may Allah
royalty; in Thea re~p0ctlve port ox 'eke pro~tha~ no to
be replaced. ~oreove~, even if only ho other associated
o'er uric his Jo by exchanged doornail Rand surgery,
it I advisably to replace the equine part tugger Wyeth thy
I joint Syria wince ho 9 wrecker only ellghtly grea~c~r axon
dilutes Noah will po~lbly leave the no ox a ebony
03
operation,. hut botch joint, Sirius replaced in coo
ope~'clon~ her. the operating surgeon no longer need lo
make euphoric to volleyed damage thy joint surface by any
Mooney arc the propped implant.
S SUMMARY OX INANITION
____
ho present inventor ha eye ho oboe to provide an
implant ox the abov~-dRo~rlbed type in which thy two pro-
th~ifl puke Jan be easily ported prom on ~nc~cher, and
particularly without imperiling the strength anal durability
ox the plug-in connection between the two pretty.
The pronto entlon I baaed on thy realization thought
loaning ox pith 8 pretty which a connected together
in a nunnery that I table under load I possible in a
particularly favo~ble manner by pry ion I an element
which it an integral ~c~mponRnt of the plan end I fax-
tuned in thy bony together therewith
Ire above end other ob~t3 ore avowed cordon
to the ln~ention, by the prune ox on lr~plant coT~po~aa
a irrupt port haven a r~c~pta~le, skin par having a pun
projecting therefrom, thy pin having a only portion
looted it thy eye one owe the pi n end it~p~ng toward to
free and of thy pin, the cowl eel portion blown ln~ertable
into the recep~cacl~ Jo conned the parts other the pin
further h~vln~ a threaded portion Sally puked Ryan ho
kink portion and a nut thirdly engaging the threaded
. ~_.__~_,
lZ3~)203
portion for movement toward the fluorite pyrrhic in a nunnery to
Sore the f i rut end second pyre port .
When two pro~the~i~ part equaled with the pry t
invention are island together, the nut it Eloped over Thea
cone before thy connection is mode end is Rudy onto the
throat until it wreck on abominate ox other limitation
before both parts ore firmly plugged together wow the aid
o the conical pin For the fir release of this plug-in
connection, thy nut I cry by Jo that the foe par,
which ho teen plugged onto the conical pin, it lifted ox
'eke con .
When the nut it Rudy by the second port mutt
ye held fast. It it therefore ~dvi~a~le to provide work
Sirius at swish hold no tool con ~nqage a a to trainer
a torque which prevent rotation about Shea thread axis .
According to p~rtlcular embodiment oil thy inv~r~tlon,
thy? nut 18 provided with c:ir~:uln~erent~ at Thea grooves ox
hole such that a tool corresponding in fllnction to nut
key I able to eying it pin, owing or ~:ountertooth n
Jo corre~porlding Roy on the nllt and purity nighing
or tightening by Mona of short angular jokes, hi
perls~lt~ ~anipul~t~on my mean of a imply tool, Wylie thy
point ox engagement ox the pin or ~o~nte~tooth ox thy tool
p~ferably being dotted it the Lowe facing awry I the
operator Jo thy the force holding Shea pun in engagement
con be compensated by thy ln~luence ox thy holding tool in
the Norm ox wrench nod thus luckily province the genre
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Zion ox pharaoh which might loosen the pharaoh swat of to
lmpl~nted shaft. It the holding tool employed a slotted
key, the tongue mutt by attached, for this reason, opposite
ho corresponding tongue of the other key - when Zen with
5 respect to id2nt~ Cole o~i~nt~d key - 90 that the o'er
holding thy tongue in engagement are ~omE~en~ated.
If in the rye of en~agemen'c ox the Sue, the sarcoma
erroneous ox the nut it my get in order lo accom~oda~ce
the corresponding ruses and to reduce the f ours to be
10 'cran~mitte~ in the recess when a Tokyo pulled to ennui
thy flu - an I reduced to the cross eke n ox the Lyle
forces generated to reunifier them to thy I nut ball, this
simultaneously royalty in the adv~r~t~ge aye two nubility
of thy joint 80CX~3t oomp~r~d to cone end we trout nut it
15 ho y restricted. the world faces for Lowe tool hording the
other pry are here preferably apply Ed on ho form champ
err a the prostheql 3 eta ions grouping the joint ball
di~cult and require it least a sot ox tool adapted to
the respective by i Zen .
I Assuring to a preferred em~odimQnt, the present lnvo~-
lion it used in an l~pl~nt to bridge large ration in thy
region of ~olnte. Such on implant alto over the junction of
an extreml~cy, par~lcularly a let in the region o the
joint hop or Knee joint) up to one keyword of Thea proximal or
25 distal ~ompOnQnt~ ox thy or anywhere proximal com~on6~nt~ ox
the tibia haze been cut out. such reaction may become
necessary in one ton with primary bone tumor, skeletal
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m~ta~ta~es or aster repacked artificial Noah repl~tnent~
as a r~flult ox infection. The hut portions equipped with
conical ends or cone receiving ends or different 1~3n~th~
Jan here be keynoted together and - with thy Myra
accord no Jo the present invention - Roy Ted ago we trout
portico r di~lcultie3.
In a ~v~r~ble embodiment of a No joint r~pl~cement,
thy imply ox mud& in the form of a joint; I'm it to be
implanted where the lo ox mu r prerequiflll:eA Dow not
permit the lye o e further arti~lcial knee joint replace-
mint. Err again the proofread embodiment I a modular set
ox implant comprising a jet of implant yard in
issue so iTnplantation in the await ox the tub Femur
lmplaFIta are provided with on internal zone at one nut
tibia implant have an vernal con.
During manufaç~r~ ox the implant jets, their amen-
810n~ are so d pra~erab~y unl~ormly EGO hut each implant
port of any length con be combine with any other implant
art of any length., ho plug-in one azures thy r~ta'clonal-
lye table conr~*ctlon ox She pretty one they have beer plugger
together end i3ub~ected to lo judge no ho passive
part ~arrylnq thy? external cone it provided with en nut why oh
owe on a thyroid bullock ho external no end which can ye
used to rç e the Connally plug-ln t:~nne~t~on in cave the
implant mutt toe re~c~v~d Cain
Particularly for "~ollarle~s" hip ~olnt Earth,
wherein 'ohs pin ox the second port me wi~hcm~ triune Lyon
into the shut, it ha been wound that thy propelled implant
cannot be us too well . In p~tlcular it it di~Cult to
prevent rotation about the thread axe between 'Shea hale
and the ~crewed-on nut with high the fret port, eye,. thy
5 artificial onto b~11, con be lifted Tom the ct~n~cal
portion o the second part . It ha alto been fettled Jo ye
di~firUlt to hold the pharaoh pert during ~otat~orl elf that nut t
cue to the dl~rent ball dimwit font oily would
hove to made available, which moreover ore rather cuber-
10 Rome to manipulate, past~cularly I ho ball diameter arelarg~,. Mc~r~ov~r, thy tool have a pros grip it the smooth
Hall surface Jo chat the danger elw~y~ exit thaw the poor
seat of 'eke tool promote thy formation of chip which drop
into the wound and Gould lewd to con~pll~ation3,Y It ha
15 flarth~r been wound Shut on the propped implant Shea nut may
in~pslr the nubility of the artificial junta
Thy praline lnv~ntlon now makes it pueblo that toes
lust part can Allah be ruled Tom the second put
with the rid of a nut duo Ed on the second pry between
20 hut and cone It it lo undo blue to apply chat pro for
Rngager~nt ox a tool a plan pi , p~r~lcularly in con r
I: notion with collar H hip joint pro~th~4~s where the
pin ox ho end part merges into Thea oust wltl~out defined
edgy oiling Jo an advantags~ou~ await oil the ln~en~ion,
pow it prevailed between Shea cone end end who sheaf t arid
bikini the nut and the ire port eye . the? orate bull ) ,.
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In this puce work awoke or a holdln~ tool I Eroded
at thy first pyrrhic Jo thwack totaling of to implant dl;lrlng
reptilian ox thy nut Jan be prQvan~e~ end no o'er are
generated to imp r thy firm It of thy i~npl~n~ceq . pro2~the-
5, I ho t .
Thus, in order to Rae 'eke f lot pat roll t}l~~e~ond part of the implant, Thea holding tool applied on
the region o. the work awoke, the nut I rotate on the
dir~c~lon toward the holding tool end thus the hiding tool
it prude against the t part . During fuller reptilian
ox tub nut, the holding tool it ho Ted on the work ices
at the fire port of Lowe implant rho holding tool hire
eve a spacer bikini 'eke nut Noah the ire rut. It
transfer the face prom thy nut to thy fluorite part lice
thy first part it ted of in this way from the zone of
the end pry.
nice in the implanted await puce now qxlst3 butter
the irrupt part and the nut Roy the worn; feces art, it a
po~lble to provide treater mobility I ad Jo t ~olnt,
high Jo comprised, or ample ox thy joint he'd an an
~rti~l~ial hip key
Figure 1 it an ~le~ation;~l view, partly on pro section,
ox a irrupt ad~r~ntageou~ embodiment in thus Norm hip j~lnt
prothesls 0
I Z3C~;~ 03
figure 2 it I crow tlon~ll vow along the line II-
I ox urn 1 we to the a~Aocl~ted a~tu2ltion tool.
Figure 3 I an elevation Al view, partly in crow 3ctlon,
ox on eliminate ox the In~en~l~n in the ~01cm ox on implant
to bridge hone Dakota in the region of toe One join.
Figure 4 I view ~lmilar to that of Flexor 1, of
further embodiment of comb nation ox part in thy form of
hip join brothel with on a~ociated holding tool.
Figure S I a Croatian view along lln2 V-V of
I Figure 4.
Flog 6 it on el~ratl~3n~1 retail view of a nodded
version ox the embodiment of Gore 4,.
figure 7 a crow sectional view along lint YIP-
IT ox Plug
I , DESCRIPTION OF EYE pRE~ERREn EMBOI~IMSNT~
figure 1 it a schemata rep renal ion ox thy Lydia
region of }In ar~i1cial hip lot prostha~is according to
thy invention hazing fluorite part 1 constituting a ball
join Thy Rand po~lvn of the head region it here
one in cros~-o~ction. This fluorite part 1 18 plumed onto
a c~nlc~l prim 3 of the Sweeney port 2 which Lowe inlaid
await 4. Between the bate ox pin 3 and its conical Roy end,
pin 3 it provided with a thread onto which a nut 7 it
screwed. In the illustrated elate, I irk to npl~nted
I tote ox the pro ho this nut it located at put
light dunce from the ire pry 1 ox the pro~the~iJ.
1~:30;Z:V3
If now this first part 1 is to be released from the second
part 2, nut 7 is screwed in the direction toward the free end
of pin 3 until the first part 1 is pushed loose from pin 3.
During rotation of nut 7, the second part 2 must be held
back from rotation. For this purpose, part 2 is provided with
work faces 9 in the form of symmetrical lateral chamfers, or
flats, via which part 2 can be gripped by a holding tool, for
example, a wrench, with the aid of which rotation of the shaft
4 about the thread axis can be prevented. In the illustrated
position, the oppositely disposed chamfer is disposed to the
rear of the drawing plane and is not visible.
Only relatively slight forces are required to release the
two parts 1 and 2 from one another because thread 6, cooperates
with nut 7, in the manner of a worm gear, providing strong
force transfer with respect to the torques acting on the nut
for the axial forces required to release the parts from one
another.
Figure 2 is a cross-sectional end view of nut 7 with the
associated actuating tool 15. Nut 7 has an essentially
cylindrical or conical jacket shaped outer contour in which
hole-type recesses 16 are uniformly distributed in the
circumferential direction. Tool 15 has a tongue 17 designed as
a counter tooth engage able into these recesses 16 so that
tightening or releasing of nut 7' is possible by short angular
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Jo truck of tool lo I engagement cur in r~p~ctlYely
I,
~uceesoive recesses 18~ Tongue 17 it audit n pow to
the shape ox Russell each reck ho the pow
of blind bore, tongue 17 has the ho owe a cyllndrlc~l
5 pun. Roy I my by distorted over the ~ir~m~erenti2~1
direction at leer or Molly lnterY~ls~ a ~equ~red.
Correspondingly, the recesses lay at awry pol~on~l cross-
I` outline.
the point ox engagement ox the count~rtooth tongue, ox
10 pin 17 disposed at the lye ox the ~3h~t fling way frc~m,the opelr2~tor of tool I Jo what ache errs generated during
- tight in ox loosening ox nut 7 ' are sub~t~nl:ially compQn~at
Ed when wrench is used to lamp onto faces Jo counteract
'Shea ~orc~o ionic the wrench rQ~ulres a compressive or pow-
15 in force Jo ye applied or the counteraction while thy
engagement ox ho counter tooth ox pin 17 ra~uiraJ a pulling
force component r In dl~e~en~ly ~n~l~urqd holding tool
o'er open to on a p~vlde~ by arr~nglng thy tongue
which engage in the shaft 80 a to opiate only another
I during us
By giving nut 7 Sue lndr~cal 02~ cone ~aokat hod
outer face with Rockies 16 th~reln, a ape Jan be
realized which; with respect to it outer Conner - exit
for the Rockies lo - it bBti~ltltlally audit to that ox
25 tile triennial lion Ryan b~twen pros the shift 4 and cone 3.
Prey blue the region of nut 7 adjat:~ané zone 3, in
an ~ndoprosthesis including ball own 1 ox thy typo shown
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in Pyre 1, it made Lund po~elble 80 that the range
of mob y of the sweated joint kowtow (nut shown in thy
drawing) it not mush r~trlcted~ Posses 16 a dlspo~ed
it the axial end of nut 7 which it rote from joint ball 1.
S This alto at eta optimum tran~itlon ox contour to shift 4,
Wylie the il~2ngth of thy nut 1 Icky by duped to virile
no length.
Figure 3 show on implant for bringing larger bone
Dakota in to r~glon of the kin junk, It compare a
10 irrupt pry 31 Do anchoring in 'eke tibia end a second par
I or anchoring in the fur the function and ~rrangelasnt
ox a nut 34 screwed to threader portion of a cons 35
corr~apond~ to thy elnbodltnent shown in Pharaoh 1.. The thread
extend latent isotonic Jo allow nut 34 to by screwed
lo on bound to port ox cone 35 which 'co engage in mating
r~ca~J 36 in part I .
Both parts art aadltionally provided we oh threaded
lowland bores 37 end I ~eapec'clvely~ which ma serve to
a~com~nad~t~ a 'cool or holding or pulling out the rye
I tip pi
Thy ~r~ng~ment illu~tr~t~d in Figure 3 owe the two plant Eureka in their position ~hc~rtly a r release, with
nut 33 briny shown in a pollution at a iota Tunis prom
an ~butm~n'c 39 of part 31, Golan: which abutrn~n'c it 19
I screwed when the ~rr~nçl~ment I in the lmplz~nt~d tote pro
rev a a controlled during reptilian of nut 34 to ape
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owe
the parts, shimmer, or flit Ursa, 40 end 41 are provided
in immure portion 32. This 2~rrangRment I actually ~urpri~lng
since ccordlng to m~chan~ cat law, holding oilily actually
occur at port 31 and a eounterlT omen should be produced
5 However, Noah part 31 I acce~ibl~ only Wylie docility,
the control my by correspondingly equated it thy femur
part I until the ~onne~tlon it rollicked - anal thaw why
or it required .
Nut 34 ha thy f or of a con~nk~onal nut having a
10 polygonal per fry arid it provided with a reduced al2meter
portion 33 at one end.
the itnplantation of the lmpl~nt according to the pry
ant inv~n~lon is addressable photoed I follow:
The implants are selected from ply depending on
lo the height ox the Russian made at ho flour and at Thea
if I . Selection to hero mode according to the condition
that the implant mutt ill be anchorabl~3 oe~urelr in tile
- buns no thy length ox the 1 erg to ye adapted alp a
puzzle to the length ox thy healthy let Anchoring in
20 the bone it of to by mean ox bony none analogo~ls~y to
the prudery for ~rtifl~ joint replacement Thy irnplanto
have a myth conlc~l shape: however, they art ea~h.provl4-
Ed with on additional grove 42 and I electively which
. ha been cut in in the lon~ituainal direction to ye use rota-
I lion Tao: islet in 'eke cement boo Cement I lmplant~tion
. 1::1 alto po~slble . The Ursa would Chilean have to by mode
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different, i ye . it would have to by J~uctured Jo the bone
rules .
he implantation lnstrum~rlt~ include out a sample
part high imply ~laatlon prom Thea mc3dul~r ~yotam, two
5 kiwi which permit ~elea31ng ox plugged together con and
hook for pull in out ho plant or they'll purpose thy
implants and the sample, part ore provided with the Ahab
noonday internally roused bore 37 end 3B~.
. Any implant~ble metal alloy Jan by used a the m~terla
10 or like llapl~n~ ox reason ox weight t a titanillm alloy,
such or example Twelve is favorable .
Plower 4 is a ~chQma~ ropresenta~lon ox a hip joint
he'd, ln~ludlng final put 1 lnclu~llng a joint ball Winnie
in Roy Section This fit par ply a onto ache cowl-
15 Cal pin 3 ox a second part 2 which I ~:onnect~d with a shalt
4 vim a cy11ndrical rod. Steinway cone 3 and ~h~f'c 4, the
rod Charlie hod 6 onto which it Rudy a nut 7 ox
ovine tonal ox on the illustrated pull
which correspond to the implanted state, nut 10 at
;20 A noticeab1~ Dennis rum the f irklt port 1 of thy impunity .
A can ye on, the pretty p*ovids~d with coinciding rerun
: . numerous no y ~c~r~eapond it those one in Pharaoh 1.
In the opus between cone 3 end flu 7 ', the rod it
provided with an implant ye Sheehan provided with planar okay
Z5 aye or holding Tao. One planar world aye, 8, it
v~lbl~ ion Fugue I A can ye n on the ~ection~1 vole
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along line of Figure 5, the oarlock aye 8 it Owlet! I your
Waco foe immune a Gore and include a work face
disposed parallel to and oppo~lte work ace I A wrench
10 it shown engaging ache other two work foe Jo a to eye-
5 sure the second port again outline aback to longitu
inlay axle 11 and ~imllltaneou~ly constitute a apace
between nut 7 ' and joint bull 1.
It now the ire port 1 it Jo be rely rum the
Andy part 2, nut 7' is crewel by a auit~ble wrench, in
I the direction o'er cone 3, initially until it Amy into
onto with French 10. It nut 7' it I d further,
wrench 10 is rod against an abu'cm~n~ race TV port 1 and
wry Lotte part 1 awry phony cone I luring lovely of;
pry 1, waxen 10 it move along assay 11, but remain on
15 ~ngsgement with thy work Fuchs dispo~d between thud 6 and
cone I
PI din to Figure 4, wrench 10 has it its undet~ld~
an openly or key, which respond the dim~n~lon3 ox
thy squire ford by the work feces 8, it p rut I. Burr
20 at the upper eddy wrench 10, the width of the Sue is
enlarged that the wrench doe not gut kiwi the base
Of queen 3 where it pro jut from part 17
Nut 7 ' has a ~u~sean~lally rounded outline ho ah it
thus doted to par 2 . A ugh shown in Figure 4 no
7 ' his an annular prc~iec~ion 12 Wylie . in the planed
Tess, Ritz on a prison at heft 4 Jo that thread 6 it
elude agaln~'c p~n~tr~ting body fluids.
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In 'Shea detail view of Figure I a long ud~n~l grove to provided in the implant section between con 3 and
thresh in place of work fact 8, 9 .
Figure shows ho- grooved nut key Jan engage in ho
5 lon~i~ud~n~l groove lusted ox a wrench with ache ooze of
the grooved rut Sue again lung elated such that when port
1 I being lifted of, the key brldge~3 the dl~tance Steinway
put 1 and nut 7 ' . Groove 13 Tony into con 3 so thought,,
I s~Jhen par Ed off cone 3, the groove nut key can Jove
I 10 far enough toward thy free end ox one 3 without restriction.
It will Ice understood that thy oily dissect on o the
pronto ln~en~ion 19 su~c~ptibla to various modification,
Angie and ~daptatiorle Pond the cam ore intended tub comma
p~h~nded within thwack meaning and relnge of eke lent ox the
15 appended e:laibls,.
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