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US3240516A - Joint structure - Google Patents

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Publication number
US3240516A
US3240516A US31382763A US3240516A US 3240516 A US3240516 A US 3240516A US 31382763 A US31382763 A US 31382763A US 3240516 A US3240516 A US 3240516A
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Grant
Patent type
Prior art keywords
joints
ball
end
structure
rods
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Expired - Lifetime
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Barish Emil
Burton B Rutkin
Joseph A Witt
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Barish Emil
Burton B Rutkin
Joseph A Witt
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT OR ACCOMODATION FOR PATIENTS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/10Parts, details or accessories
    • A61G13/12Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/06Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/14Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/2007Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2021Undercarriages with or without wheels comprising means allowing pivoting adjustment around a horizontal axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/2007Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2035Undercarriages with or without wheels comprising means allowing pivoting adjustment in more than one direction
    • F16M11/2078Undercarriages with or without wheels comprising means allowing pivoting adjustment in more than one direction with ball-joint
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14Adjustable mountings
    • F21V21/26Pivoted arms
    • F21V21/28Pivoted arms adjustable in more than one plane
    • F21V21/29Pivoted arms adjustable in more than one plane employing universal joints
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT OR ACCOMODATION FOR PATIENTS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/10Parts, details or accessories
    • A61G13/101Clamping means for connecting accessories to the operating table
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32008Plural distinct articulation axes
    • Y10T403/32016Three or more parallel axes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32008Plural distinct articulation axes
    • Y10T403/32024Single adjustment for plural axes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32008Plural distinct articulation axes
    • Y10T403/32032Plural ball and socket
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32254Lockable at fixed position
    • Y10T403/32262At selected angle
    • Y10T403/32311Ball and socket

Description

March 15, 1966 E. BARISH ETAL 3,240,515

JOINT STRUCTURE Filed Oct. 4, 1963 2 Sheets-Sheet 1 INVENTORS EMIL Z. BARISH BURTON B. RUTKIN BY JOSEPH A. WITT WWW ATTORNEYS March 15, 1966 BARISH ETAL 3,240,516

JOINT STRUCTURE Filed Oct. 4, 1965 2 Sheets-Sheet 2 INVENTORS EMIL Z. BARIS BY BURTON B. RUT

JOSEPH A. WlTT J Mw ATTORNEYS United States Patent 3,240,516 JOINT STRUCTURE Emil Barish, 711 27th Ave., and Burton B. Rutkin, 2845 Pierce St., both of San Francisco, Calif., and Joseph A. Witt, 1093s Caloden St., Oakland, Calif. Filed Oct. 4, 1963, Ser. No. 313,827 Claims. (Cl. 287-12) This invention relates to a support structure and more particularly relates to a clamp structure having three or more independent joints wherein all of the joints are locked or unlocked by a single movement at one of the center joints. The invention is particularly adapted for use in surgical clamping techniques and will be so described although it will be understood to those skilled in the art that the support structure is one of general application.

In many surgical procedures it is necessary to hold some portion of the patients body in an exact position. Since the position may be extremely precise, it is customary to use a support having three or more separate joints therein so that great flexibility is achieved. The difliculty with the use of such supports as has heretofore been provided is that each of the joints, or at least each pair of joints, must be clamped with a separate movement so that after the patient is maneuvered into position it is still necessary to perform several operations to get all of the clamps fastened. Thus, there is a substantial delay and also the danger of moving the patient out of the exact positiondesired.

In accordance with the present invention, a clamp is provided having three or more joints wherein all of the joints can be clamped by a single motion and unclamped by a single motion.

In the drawings forming a part of this application:

FIGURE 1 is a side view of a support embodying the present invention.

FIGURE 2 is an enlarged sectional view of one of the ball joints used at one end of the support shown in FIG- URE 1.

FIGURE 3 is an enlarged sectional view of the center joint of the clamp shown in FIGURE 1.

FIGURE 4 is a sectional view on the line 44 of FIGURE 3.

FIGURE 5 is a sectional view on the line 5-5 of FIG- URE 3.

FIGURE 6 is a sectional view, similar to FIGURE 4, showing an alternate form of wedging mechanism.

FIGURE 7 is a side view of another form of support embodying the present invention.

FIGURE 8 is an enlarged sectional view of the base member of FIGURE 7.

Referring now to FIGURES 1 through 5 by reference characters, there is shown a clamp mechanism having arms 10 and 12 which terminate in ball joints generally designated 14 and 16. The arms are supported by the central joint structure generally designated 18. The ball joint 14 supports a rod 20 to which is attached a clamp generally designated 22 which, in the embodiment shown, comprises a U-shaped member 24 having a set screw 26 in one arm thereof so that the member 22 can be readily clamped to a table or the like. The opposite ball joint 16 supports a rod 28 to which may be attached a surgical retractor 30. It will :be understood, of course, that the clamp 22 and the retractor 30 are merely illustrative of devices which can be held by the rods 20 and 28.

The central joint structure is shown in detail in FIG- URES 3, 4 and 5. The hollow arms 10 and 12 have enlarged end members 32 and 34 with central openings therein through which a shaft and wedges, hereinafter described, can pass. Additionally, the members 32 and 34 have conical or wedge shaped sides as at 36 and 3-8. The arms 10 and 12 have rods 40 and 42 therein which terminate in tapered inner ends 46 and 48. A central shaft 50 passes through the members 32 and 34 and two truncated conical wedges 52 and 54 with their smaller ends facing together, as shown, are free to slide on the shaft 50. At the bottom of the shaft 50 is a threaded nut 56 while at the opposite end a washer 58 is free to slide on the rod. A pin 60 passes through the shaft 50 and an eccentric locking member 62 is pivoted on the pin 60. The eccentric locking member 62 has a handle 64 so that it can be turned by hand. It is apparent that as the handle 64 is turned on the shaft 60, the eccentric locking member 62 will cam against the washer 58, forcing the cones 52 and 54 toward each other. As this occures, the rods 40 and 42 will be forced outwardly by pressure of the cones against the bases 46 and 48 of the two rods. It is also apparent that because of the floating action of the cones on shaft 50, equal pressure will be exerted on both of the rods 40 and 42. Although the cones have been shown with the smallends facing each other and wtih means for forcing the cones together to clamp the joints, the reverse structure could also be used. Thus, the large ends of the cones could face each other with means, such as a differential screw, for forcing the cones outward to clamp the joint and vice versa.

In FIGURE 6, an alternate embodiment of the device is shown. Here a rectangular wedge 66 is employed rather than the conical wedge previously illustrated. Naturally, the enlarged members on the arms and the ends of the rods will be modified to mate against the square surface of the wedge rather than against the conical surface previously described.

In FIGURE 2, the construction of the ball joint 14 is shown. At the end of the arm 10 is the ball retainer 68 having inturned ends 70 for the retention of a ball 72, yet allowing the ball considerable movement. Retainer 68 is held by the threads 71 engaging an enlarged end 73 for ease of assembly and fine adjustment. The ball 72 is attached to the rod 20 by suitable means, or the ball and rod may be formed together. At the outer end of the rod 40 is an enlarged member 74 with a spherical surface adapted to mate with somewhat less than half of the ball 72. It is apparent that as the rod 40 is forced outwardly the ball 72 will be clamped between the end 74 of the rod 40 and the inturned end 70 of the ball retainer 68. Thus, as rod 40 is pushed outwardly, the arm 20' will be held in a desired position. Although not described in detail, the structure of the ball joint -16 is exactly the same as that described for the ball joint 14, outward movement of the rod 42 serving to clamp a ball in the joint 16, thus holding rod 28 in a fixed position.

In use, it is only necessary to move the retractor to a desired position and to then actuate the handle 64. As the handle 64 is turned, the eccentric locking member 62 will force the two cones together, which will result in a clamping of the joint 18 so that it can no longer turn, as well as exerting pressure outwardly on the rods 40 and 42 so that joints 14 and 16 will be clamped. Thus, a single movement of the handle 64 serves to lock all three joints. Because of the floating action of the cones, all of the joints will lock simultaneously and there is no possibility of one of the joints closing out first and preventing the locking of the other joints.

In FIGURES 7 and 8, a different embodiment of the invention is shown wherein one end of the clamp terminates in a ball retainer and a split ball is used to secure the clamping action at that end. Here a hollow arm 76, which generally corresponds to the arm 10 previously described, has a split ball generally designated 78 at one end thereof which fits into a socket 80. Socket 80 has a base 81 adapted to be screwed or otherwise fastened to a table or other suitable support. The ball 78 is split in two hemispheres, the upper of which 82 forms a part of the hollow arm 76 while the lower hemisphere designated 84 is adjacent to a rod 86 which generally corresponds to the rod 40 previously described. In this embodiment of the invention, as the rod 86 is forced outwardly, the split ball is squeezed in the socket 80, resulting in the clamping action. The other joints are clamped as previously described. It is obvious that either or both ends of the clamp may be provided with the split ball structure described.

It will be apparent to those skilled in the art that many changes may be made in the exact structure described without departing from the spirit of the invention. For instance, an eccentric or cam has been shown for clamping the two wedges together. Obviously, other hydraulic, mechanical or electrical means can be used to accomplish this action.

It is believed apparent from the foregoing that we have described a simple and effective clamp for surgical use and the like wherein a single movement serves to clamp a number of separate joints.

We claim:

1. A support structure having at least three joints, wherein all of the joints can be locked by a single motion, comprising in combination:

(a) a pair of hollow arms having aligned transverse apertures therein at one end thereof and means pivoting said arms together at said one end of each of said arms;

(b) said pivoting means comprising a shaft disposed through said apertures in the arms;

(c) a pair of oppositely disposed wedge members on said shaft one in each aperture;

(d) rods manually disposed within each of the arms,

Y 4 the inner end of each of the rods being in engagement with one of said wedges;

(e) a movable joint comprising at least two elements at the outer end of each of the arms;

(if) each of said rods having means on the outer end thereof to engage one of said joint elements whereby outward movement of the rods locks each of the joints;

(g) and means to move said shaft to force the wedges between one wall of each of the apertures and the inner ends of each rod to lock the pivot and simultaneously force the rods outwardly, thus locking the joints at the ends of the rods.

2. The structure of claim 1 wherein the wedges are in the form of truncated cones.

3. The structure of claim 1 wherein the means for forcing the wedges together comprises an eccentric having a handle thereon, said eccentric being pivoted to the shaft.

4. The structure of claim 1 wherein at least one of the outer joints comprises a ball which is locked by pressure fromthe rod.

5. The structure of claim 1 wherein at least one of the outer joints comprises a split ball wherein pressure from the rod expands and locks the ball.

References Cited by the Examiner UNITED STATES PATENTS 1,554,520 9/1925 Prilipp et al 28710l 1,572,215 2/1926 May 248284 2,608,192 8/1952 Heitmeyer 28712 3,024,049 3/1962 Tranas 28787 FOREIGN PATENTS 688,685 3/1953 Great Britain.

CARL W. TOMLIN, Primary Examiner.

Claims (1)

1. A SUPPORT STRUCTURE HAVING AT LEAST THREE JOINTS, WHEREIN ALL OF THE JOINTS CAN BE LOCKED BY A SINGLE MOTION, COMPRISING IN COMBINATION: (A) A PAIR OF HOLLOW ARMS HAVING ALIGNED TRANSVERSE APERTURES THEREIN AT ONE END THEREOF AND MEANS PIVOTING SAID ARMS TOGETHER AT SAID ONE END OF EACH OF SAID ARMS; (B) SAID PIVOTING MEANS COMPRISING A SHAFT DISPOSED THROUGH SAID APERTURES IN THE ARMS; (C) A PAIR OF OPPOSITELY DISPOSED WEDGE MEMBERS ON SAID SHAFT ONE IN EACH APERTURE; (D) RODS MANUALLY DISPOSED WITHIN EACH OF THE ARMS, THE INNER END OF EACH OF RODS BEING IN ENGAGEMENT WITH ONE OF SAID WEDGES; (E) A MOVABLE JOINT COMPRISING AT LEAST TWO ELEMENTS AT THE OUTER END OF EACH OF THE ARMS; (F) EACH OF SAID RODS HAVING MEANS ON THE OUTER END THEREOF TO ENGAGE ONE OF SAID JOINT ELEMENTS WHEREBY OUTWARD MOVEMENT OF THE RODS LOCKS EACH OF THE JOINTS; (G) AND MEANS TO MOVE SAID SHAFT TO FORCE THE WEDGES BETWEEN ONE WALL OF EACH OF THE APERTURES AND THE INNER ENDS OF EACH ROD TO LOCK THE PIVOT AND SIMULTANEOUSLY FORCE THE RODS OUTWARDLY, THUS LOCKING THE JOINTS AT THE ENDS OF THE RODS.
US3240516A 1963-10-04 1963-10-04 Joint structure Expired - Lifetime US3240516A (en)

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Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675953A (en) * 1969-10-06 1972-07-11 Albert Glatz Ball joint
DE2419637A1 (en) * 1973-05-04 1974-11-21 Carlo Baitella Tripod joint, in particular for fuehlhebelmessuhren
US4045808A (en) * 1974-04-19 1977-08-30 King Dwayne L Camera mounted flash extender and power pack therefor
US4159093A (en) * 1978-05-26 1979-06-26 American Optical Corporation Adjustable support for a headrest
US4193707A (en) * 1977-04-28 1980-03-18 Lemforder Metallwaren Ag Axial ball and socket joint
US4236844A (en) * 1977-04-21 1980-12-02 Gebr. Berchtold Joint support structure
DE3104353A1 (en) * 1980-02-15 1981-12-17 Carlo Baitella Adjustable stand
JPS57116802U (en) * 1981-12-25 1982-07-20
DE3206789A1 (en) * 1981-02-27 1982-12-16 Mitutoyo Mfg Co Ltd articulated carrying arm
US4438612A (en) * 1981-04-14 1984-03-27 Couturier S.A. System for the mutual anchoring of two walls
US4475546A (en) * 1983-06-23 1984-10-09 Patton Stephen M External fixation apparatus
FR2548535A1 (en) * 1983-07-04 1985-01-11 Marck Thierry orthopedic shoe for infants
US4531855A (en) * 1982-05-12 1985-07-30 Wallis Frederick A Adjustable arm
US4606522A (en) * 1984-08-23 1986-08-19 Heifetz Milton D Position adjustable instrument holder
US4708510A (en) * 1986-04-17 1987-11-24 Mcconnell Bernard E Ball joint coupling
US4767231A (en) * 1984-01-05 1988-08-30 Wallis Frederick A Adjustable arm
WO1990015258A1 (en) * 1989-06-02 1990-12-13 Mcfadden, Joseph, T. Positioning device
US5092551A (en) * 1988-12-09 1992-03-03 Tekusa Ag Articulated stand
DE19904061C2 (en) * 1999-02-02 2000-10-12 Reinhold Schwalme Spreizgelenk
DE19938440A1 (en) * 1999-08-13 2001-02-15 Christian Woerz Mobile arm device for reading lamps and medical equipment has immobilising foot which carries two arms joined by pivot, rapid release connector being attached to top of support
DE19954615A1 (en) * 1999-11-12 2001-07-12 Geomed Medizin Technik Gmbh & Adjustable stand
US6575653B1 (en) 1999-11-12 2003-06-10 Geomed Medizen-Technik Gmbh & Co. Jointed support structure
US20030158542A1 (en) * 2002-01-23 2003-08-21 Genesee Biomedical, Inc. Support arm for cardiac surgery
US7219905B1 (en) 2006-05-17 2007-05-22 Wilson Vern A Removable side racks for a moving dolly
US20080302937A1 (en) * 2007-06-08 2008-12-11 Icuiti Corporation Selectively adjustable mounting assembly
US20090084019A1 (en) * 2007-09-28 2009-04-02 Carnevali Jeffrey D Fishing rod holder
US20100178100A1 (en) * 2006-10-06 2010-07-15 Helmut Fricke Lockable joint
US20120131826A1 (en) * 2010-11-30 2012-05-31 Hon Hai Precision Industry Co., Ltd. Support stand and display device using same
WO2013080462A1 (en) * 2011-11-29 2013-06-06 株式会社ユニメディック Affixation device
US20150167731A1 (en) * 2013-12-17 2015-06-18 Ingersoll-Rand Company Adjustable Joints
GB2548634A (en) * 2016-03-26 2017-09-27 Subratie Andrew Utility arm
WO2017180950A1 (en) * 2016-04-15 2017-10-19 Stryker European Holdings I, Llc Cannula lock with a brake that rotates and anchors that deploy into the bone against which the cannula lock is set

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1554520A (en) * 1924-08-19 1925-09-22 William R Prilipp Radius-rod connection
US1572215A (en) * 1924-05-28 1926-02-09 Ritter Dental Mfg Company Supporting fixture
US2608192A (en) * 1948-06-21 1952-08-26 Powis L Heitmeyer Retractor
GB688685A (en) * 1949-11-07 1953-03-11 George James Webbing Lambert Improvements in or relating to ball joint couplings
US3024049A (en) * 1960-05-23 1962-03-06 Milbur M Brandt Adjustable swivel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1572215A (en) * 1924-05-28 1926-02-09 Ritter Dental Mfg Company Supporting fixture
US1554520A (en) * 1924-08-19 1925-09-22 William R Prilipp Radius-rod connection
US2608192A (en) * 1948-06-21 1952-08-26 Powis L Heitmeyer Retractor
GB688685A (en) * 1949-11-07 1953-03-11 George James Webbing Lambert Improvements in or relating to ball joint couplings
US3024049A (en) * 1960-05-23 1962-03-06 Milbur M Brandt Adjustable swivel

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675953A (en) * 1969-10-06 1972-07-11 Albert Glatz Ball joint
JPS5424868B2 (en) * 1973-05-04 1979-08-24
DE2419637A1 (en) * 1973-05-04 1974-11-21 Carlo Baitella Tripod joint, in particular for fuehlhebelmessuhren
JPS5016563A (en) * 1973-05-04 1975-02-21
US3910538A (en) * 1973-05-04 1975-10-07 Carlo Baitella Jointed stand for dial gages
US4045808A (en) * 1974-04-19 1977-08-30 King Dwayne L Camera mounted flash extender and power pack therefor
US4236844A (en) * 1977-04-21 1980-12-02 Gebr. Berchtold Joint support structure
US4193707A (en) * 1977-04-28 1980-03-18 Lemforder Metallwaren Ag Axial ball and socket joint
US4159093A (en) * 1978-05-26 1979-06-26 American Optical Corporation Adjustable support for a headrest
US4431329A (en) * 1980-02-15 1984-02-14 Baitella Carlo Articulated support stand
DE3104353A1 (en) * 1980-02-15 1981-12-17 Carlo Baitella Adjustable stand
DE3206789A1 (en) * 1981-02-27 1982-12-16 Mitutoyo Mfg Co Ltd articulated carrying arm
US4402481A (en) * 1981-02-27 1983-09-06 Mitutoyo Mfg. Co., Ltd. Articulated device for service component
DE3206789C2 (en) * 1981-02-27 1986-11-27 Mitutoyo Mfg. Co., Ltd., Tokio/Tokyo, Jp
US4438612A (en) * 1981-04-14 1984-03-27 Couturier S.A. System for the mutual anchoring of two walls
JPS585923Y2 (en) * 1981-12-25 1983-02-01
JPS57116802U (en) * 1981-12-25 1982-07-20
US4531855A (en) * 1982-05-12 1985-07-30 Wallis Frederick A Adjustable arm
US4475546A (en) * 1983-06-23 1984-10-09 Patton Stephen M External fixation apparatus
WO1985000285A1 (en) * 1983-07-04 1985-01-31 Thierry Marck Orthopedic shoe for infants
FR2548535A1 (en) * 1983-07-04 1985-01-11 Marck Thierry orthopedic shoe for infants
US4767231A (en) * 1984-01-05 1988-08-30 Wallis Frederick A Adjustable arm
US4606522A (en) * 1984-08-23 1986-08-19 Heifetz Milton D Position adjustable instrument holder
US4708510A (en) * 1986-04-17 1987-11-24 Mcconnell Bernard E Ball joint coupling
US5092551A (en) * 1988-12-09 1992-03-03 Tekusa Ag Articulated stand
WO1990015258A1 (en) * 1989-06-02 1990-12-13 Mcfadden, Joseph, T. Positioning device
DE19904061C2 (en) * 1999-02-02 2000-10-12 Reinhold Schwalme Spreizgelenk
DE19938440A1 (en) * 1999-08-13 2001-02-15 Christian Woerz Mobile arm device for reading lamps and medical equipment has immobilising foot which carries two arms joined by pivot, rapid release connector being attached to top of support
DE19954615A1 (en) * 1999-11-12 2001-07-12 Geomed Medizin Technik Gmbh & Adjustable stand
US6575653B1 (en) 1999-11-12 2003-06-10 Geomed Medizen-Technik Gmbh & Co. Jointed support structure
US20030158542A1 (en) * 2002-01-23 2003-08-21 Genesee Biomedical, Inc. Support arm for cardiac surgery
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US7219905B1 (en) 2006-05-17 2007-05-22 Wilson Vern A Removable side racks for a moving dolly
US20100178100A1 (en) * 2006-10-06 2010-07-15 Helmut Fricke Lockable joint
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US7568672B2 (en) * 2007-06-08 2009-08-04 Vuzix Corporation Selectively adjustable mounting assembly
US20090084019A1 (en) * 2007-09-28 2009-04-02 Carnevali Jeffrey D Fishing rod holder
US7774973B2 (en) * 2007-09-28 2010-08-17 Carnevali Jeffrey D Fishing rod holder
US20120131826A1 (en) * 2010-11-30 2012-05-31 Hon Hai Precision Industry Co., Ltd. Support stand and display device using same
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US20150167731A1 (en) * 2013-12-17 2015-06-18 Ingersoll-Rand Company Adjustable Joints
GB2548634A (en) * 2016-03-26 2017-09-27 Subratie Andrew Utility arm
WO2017180950A1 (en) * 2016-04-15 2017-10-19 Stryker European Holdings I, Llc Cannula lock with a brake that rotates and anchors that deploy into the bone against which the cannula lock is set

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