WO2007098549A1 - Multi function hammer - Google Patents
Multi function hammer Download PDFInfo
- Publication number
- WO2007098549A1 WO2007098549A1 PCT/AU2007/000246 AU2007000246W WO2007098549A1 WO 2007098549 A1 WO2007098549 A1 WO 2007098549A1 AU 2007000246 W AU2007000246 W AU 2007000246W WO 2007098549 A1 WO2007098549 A1 WO 2007098549A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stem
- shaft
- auxiliary
- neck
- weight
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B2017/922—Devices for impaction, impact element
Definitions
- the present invention relates to insertion tools and more particularly relates to tool assemblies which are capable of use in insertion and/or extraction of surgical prostheses. More particularly, the invention relates to a multi function slap hammer assembly which allows insertion of one component of a prosthesis while anchored to another component of the prosthesis. The invention further provides a slap hammer assembly which includes means to allow insertion of a prosthesis component and means to allow extraction of a prosthesis component.
- Insertion of bone prostheses requires a variety of precision tools which perform an active function on a prosthesis for insertion. Specialised tools also exist for use in withdrawal of such prostheses in the case for instance, of a revision hip procedure when a stem must be removed.
- Hip prostheses are commonly employed in hip replacements in orthopaedic surgical procedures. These procedures require specialized tools for preparation of the site, insertion of the prosthesis and in the case of a revision operation, extraction of the old prosthesis. Separate tools are usually required for reaming, insertion and extraction.
- One generally known and widely used hip prosthesis typically comprises a distal shaft or stem having a gradual taper along its full length and terminating proximally in a neck which, mates with the head of the prosthesis via a Morse taper.
- the stem/shaft is inserted into the intra medullary cavity of the femur.
- the surgical procedure will involve use of a reamer for reaming of the acetabulum and reaming of the proximal medullary cavity of the femur.
- the prosthesis stem is fitted after the surgeon has reamed out the medullary cavity to an extent conducive to the production of tight iuterfitting between bone and stem once the stem is placed into position.
- An insertion tool will be required to insert a distal part of the prosthesis in position into the medullary cavity.
- Another tool is required to attach a neck component once correct ante version of that component is established.
- Slap hammers are commonly used as extraction tools for withdrawal of hip components and particularly the distal stem as part of revision hip procedure. This may be achieved typically by first engaging the proximal stem with a distal end of a slap hammer assembly and urging a moveabie slap weight proximally against a stationary handle or slap weight. This is intended to break the bond at the stem and bone interface and eventually withdraw the prosthesis by application of sufficient axial load.
- Engagement between the known slap hammer extraction tool and stem is preferably via co operating threads, hi the event of a screwed stem, an extraction tool may engage via a hex nut and withdraw by opposite rotation of the stem.
- the reaming followed by sizing with the prosthesis may be carried out a number of times i.e., reaming followed by inserting the prosthesis until there is a small distance, of travel of the shaft left near the neck of the femur to enable final positioning to ensure tight interfitting between prosthesis and bone and therefore a surgically satisfactory fit.
- care must be taken by the surgeon to avoid loading the femur beyond the modulus of elasticity of the bone. The tolerable limits of bone elasticity are gauged mainly by the experience and fee), of the surgeon.
- Stems which form a distal component of a hip may typically be cemented, press fit or screwed, arcuate or straight. Failures in hip prostheses have occurred due to loosening at the cement / bone interface and at the prosthesis /cement interface. Hammering the neck component risks weakening of the femoral bone or cement mantle shortly after insertion and this could potentially contribute to major or minor subsidence or rotation of the prosthesis leading to an unsatisfactory surgical result and at worst a stem failure later in life.
- One feature of the existing prostheses is a series of formations moulded into the bone engaging surfaces of the distal shaft which are often bevilled in order to encourage and stimulate hone growth therein.
- This bone ingrowth which is a relatively slow post operative process assists in holding the prosthesis firmly in position and also provides a keying and locking effect thereby lessening the possibility of rotational failure and/or unwanted axial subsidence of the prosthesis.
- the anchorage of a stem is potentially at its weakest as there is no established bone ingrowth and in the case of a cemented stem, curing of the stem cement may be incomplete.
- oeck insertion requires the surgeon to impact the neck into the stem. If this is performed by conventional methods, that is, with an uncontrolled blow from a surgeon's mallet, the impacting force is likely to be transmitted through to the stem, and possibly into the bone of the patient. This may cause subsidence of the stem, or worse, bone breakage. Additionally, the neck and stem may not be joined in the desired manner, creating an inferior implant.
- the present invention provides a multi function slap hammer assembly which is capable of performing the dual roles of withdrawal of a stem In the conventional way and also insertion of a neck component of a prosthesis while engaged with another component of the prosthesis, to enable redistribution of or at least resistance to neck insertion loading away from the stem and bone.
- the invention further provide? a slap hammer assembly which includes means to allow insertion of a neck component while restraining a stem from unwanted distal moveroent
- the multi-function slap hammer is capable of diverting most of the transmitted load away from a stem, thereby preventing possible subsidence or bone breakage.
- the hammer stroke, and therefore the impact load is limited by the geometrical constraints of the design. This prevents a surgeon .from applying excessive force and but does not compromise the integrity of the joint after implantation.
- the multi function hammer assembly to be described herein is primarily used to insert a neck component of a hip prosthesis into the stem component. However, it can also perform its traditional role of removal of a stem from the medullary cavity of a patient's femur.
- the present invention seeks to eliminate the problem of unwanted distal movement of a stem during insertion of a neck component.
- the invention provides an assembly which retains the conventional functions of the slap hammer and provides a new use including a role in insertion of a neck,
- the present invention comprises: a slap hammer assembly comprising ; a primary shaft having first and second ends, the first end having engagement means to enable engagement with an associated member, the second end having a handle grippable by an operator of the slap hammer, and intermediate said ends a weight capable of movement relative to the shaft away from and in the direction of said handle; the assembly further comprising an auxiliary member at least partially mountable on the primary shaft ,md having a first end which engages a member responsive to an impact load applied by said weight and a second, end. which absorbs energy generated by said weight
- the present invention comprises: an assembly capable of use in insertion of a neck component of a prosthesj 5 of the type comprising a stem insertat ⁇ e in bone and a detachable neck; the assembly comprising; a shaft having a leading end with means to detachably engage the stem so that the leading end is retainable by the stem; a handle for manual, retention of the assembly; and a member moveable relative to the shaft having a leading end which advances and retracts such that when it advances it urges the neck into engagement with said stem while the leading end of said shaft is retained by said stem; the engagement between said leading end of said shaft and said stem providing restraint against axial movement of the stem during insertion of said neck by said moveable member.
- the assembly further comprises an impact member disposed about the shaft between said leading end of said moveable member and said neck.
- the impact member has a first end which engages the neck and a second end which, transmits loads from said moveable member urging the neck into engagement with said stem.
- the impact member is disposed concentrically about the shaft and is secured thereto via fasteners to restrain relative movement between the impact member and the shaft.
- Ihe shaft engages the stem via opposite gender profiled parts including threads .
- the stem includes a female thread and the leading end of the shaft has a corresponding male thread.
- the shaft is divisible into first and second shaft members by a releasable coupling .
- the releasable coupling comprises interfitting via opposite gender profile parts.
- the first shaft member has a male threaded profile part which engages a corresponding female threaded profile part of a leading end of the second shaft member.
- the first shaft member has a female threaded profile part which engages a corresponding male threaded profile part of the leading end of the second shaft member.
- the moveable member is a slidable hammer which is concentrically disposed about the shaft such that the shaft, hammer and impact member are in axial alignment.
- the impact member is hollow and provides a sleeve surrounding the connection between said first and second shaft members.
- a proximal free end of the second shaft member receives and threadably retains thereon a handle which allows an operator to manually control the slap hammer.
- the neck includes a through passage through which the shaft passes.
- the present invention comprises: a multi function hammer assembly capable of use ⁇ n insertion of a neck component of a prosthesis of the type comprising a stem ins ⁇ rtable in bone and a detachable neck; the assembly comprising; a first shaft having a leading end with means to detadhably engage the stem so that the leading end is retatnable by the stem; a second shaft having connection means at a first end to enable detachable connection of the first shaft to the second shaft, a handle disposed at a second end of the second shaft for manual retention of the assembly; and a member moveable relative to the second shaft having a leading end which advances and retracts such that when it advances it urges the neck into engagement with said stem via an impact member, wbile the leading end of said shaft is retained by said stem; the engagement ' between said leading end of said shaft and said stem providing restraint against axial movement of the stem during insertion of said neck by said moveable member.
- Tn another broad form the present invention comprises:
- an auxiliary impact member for a slap hammer assembly comprising ; a primary shaft having first and second ends, the first end having engagement means to enable engagement with an associated member, the second end having a handle grippable by an operator of the slap hammer, and intermediate said ends a weight capable of movement relative to the shaft away from and in the direction of said handle; wherein, the auxiliary member is at least partially mountable on the primary shaft and has a first end which engages an implant member responsive to an impact load applied by said weight and a second end which absorbs energy generated by said weight on impact and transfers the energy to the implant member.
- the present invention comprises: a multi function hammer assembly capable of use in insertion, of a neck component of a prosthesis of the type comprising a stem msertable in bone and a detachable neck; the assembly comprising; ⁇ first and second sub assemblies; the first sub assembly including a first shaft haying a leading end with means to detachably engage the stem so that the leading end is retai ⁇ able by the stem; connection means to enable connection of a second shaft thereto an impact member disposed about said first shaft retaining therein said connection means; the second sub assembly including; a second shaft having connection means at a first end to enable detachable connection of the first shaft to the second shaft, a handle disposed at a second end of the second shaft for manual retention of the assembly; and a member moveable relative to the second shaft having a leading end which advances and retracts such that when it advances it urges the neck into engagement with said stem via an impact member, while the leading end of said shaft is retained, by said stem; the engagement
- the present invention comprises; a sub assembly for use in a multi function hammer assembly capable of use in insertion of a neck component of a prosthesis of the type comprising a stem insertable in bone and a detachable neck; the sub assembly comprising; a first shaft having a leading end with means to detachably engage the stem so that the leading end is retainable by the stem; connection means to enable connection of a second shaft thereto; wherein the leading end of said shaft is retained by said stem; the engagement between said leading end of said shaft and said stem providing restraint against axial movement of the stem during insertion of said neck.
- the present invention comprises; a sub assembly for use in a muli ⁇ function hammer assembly capable of use in insertion of a neck component of a prosthesis of the type comprising a stem insertable in bone and a detachable neck; the sub assembly comprising; a secondary shaft having connection means at a first end to enable detachable connection to another shaft, a handle disposed at a second end of the secondary shaft for manual retention of the assembly; and a member moveable relative to the secondary shaft having a leading end which advances and retracts such that when it advances it urges the neck into engagement with said stem via an impact member.
- FIG. 1 shows a long sectional view of an assembly according to a preferred embodiment.
- FIG. 2 shows an enlarged long sectional view of the necjc, impact member concentrically disposed about the first shaft member.
- FIG. 3 shows a long sectional view of the second shaft member with handle and slap hammer disposed thereabout.
- FIG. 4 shows a long sectional elevation view of a stem and neck components with the shaft engaged with the stem and impact member.
- FIG. 5 shows a long section view of the assemblies described in figures 1 - 4 fully assembled.
- FIG. 6 shows a long sectional elevation of the assembly used as an extraction tooL
- FIG. 7 shows an enlarged side elevation view of the impact member according to a preferred embodiment.
- FIG, 8 shows a perspective view of the assemblies described in figures 1 - 4 fully assembled and connected to a stem component via a neck component.
- FIG. 9 shows a side elevation view of the assemblies described in figures 1 - 4 MIy assembled and connected to a stem component via a neck component.
- FIG. 10 shows an enlarged elevation view of the assembly of figure 9 with the handle absent.
- FIG. 11 shows a long sectional view of the assemblies described in figures 1 - 4 fully assembled and connected to a stem component via a neck component.
- Figure 1 shows a long sectional view of a multi function hammer assembly 1 according to a preferred embodiment.
- Assembly 1 comprises a shaft 2 having a leading end 3 with means to detachably engage a stem component 5 ( see figure 4) so that the leading end 3 is retainable by the stem 5.
- Assembly 1 further comprises a handle 6 for manual retention of assembly 1 by an operator and a slap hammer 7 moveable relative to a shaft member 8.
- Hammer 7 has a leading end 9 which advances and refracts such that when it advances it urges impact member 10 disposed about second shaft member $ into engagement with neck 11 ( see figure 4) thence neck 11 into engagement with, stem 5, while the leading end 3 of said shaft 2 j$ retained by stem component 5.
- neck impact member 10 is disposed about the second shaft member 8 between the leading end 9 of slap hammer 7 and said neck.
- the impact member 10 has a first end 12 which engages the neck 11 and a second end 13 which transmits loads from the slap hammer 7 urging neck 11 into engagement with the stem component 5.
- the first shaft 14 which is preferably smaller than second shaft 8, damping spring 18 and neck impaction member 10 are assembled to form a captive -unit.
- the larger second shaft member 8 and the stationary mass forming handle 6 are joined by means of a thread 19 and /or a fillet weld. The assembly in its entirely may then be assembled/disassembJed by the surgeon in the operating theatre.
- Figure 2 shows a long sectional view of the neck impact member 10 concentrically disposed about the first shaft member 14 .
- Impact member 10 i$ disposed concentrically about first shaft member 14 and is secured thereto via fasteners 15 and 16 » preferably grub screws which extend through the impact member 10 and engage boss 17 to restrain relative movement between trie impact member 10 and the shaft member 14. Grub screws 15 and 16 may be filed away so they remain flush with the surface of impact member 10 .
- Figure 3 shows an enlarged long sectional view of the second shaft member 8 with handle 6 and slap hammer 7 dispo$ed thereabout
- the shaft 2 is divisible into first and second shaft members 8 and 14 as previously described via a releasable coupling 20 ( see figure 2)
- the releasable coupling comprises interfitting via opposite gender profile part$.
- the first shaft member 14 has a rrjale threaded profile part 21 which engages a corresponding female threaded profile part 22 of a leading end 23 of the second shaft member 8.
- the first shaft member 14 has a female threaded profile part (not shown) which engages a corresponding male threaded profile part ( not shown ) of the leading end 23 of the second shaft member 8.
- a sub assembly 24 is formed by second shaft member S, slap hammer 7 and the connection of the stationary weight 6 to the shaft 8.
- the initial connection is provided via a thread 25.
- a circumferential fillet weld 26 then secures this joint further.
- the slap hammer 7 is positioned on the shaft 8 prior to joining the shaft 8 to the sub assembly 27 as shown in figure 4.
- sub-assemblies 24 and 27 ate separated from one another for a number of reasons. Firstly, separating the two assemblies reduces the weight of the instrument, making it more manoeuvrable. Secondly, the two sub-assemblies 24 and 27 have the potential to play different roles.
- the multi-function hammer assembly may be used to impact the neck 11 into the stem 5. If the stem needs to be ⁇ emoved from the patient, only sub assembly 24 will be required as shown in figure 6 " .
- Impact member 10 includes a cavity 28 which receives and retains therein a spring (not shown). The purpose of the spring is two-fold.
- the spring permits the neck impaction member 10 to travel along the $mall shaft 14. This allows the entire range of neck sizes to be used with the same instrument Secondly, the spring acts as a damping mechanism. Without the spring, the neck impaction member 10 would rebound from the neck and possibly fail to mate with the neck again upon return. The spring serves to minimise the rebound of the neck impaction pad.
- Figure 4 shows a long sectional elevation view of sub assembly 27 comprising stem 5 and neck component 11 with the shaft 14 engaged, with the stem S and impact member 10.
- Slidable hammer 7 is concentrically disposed about the shaft 8 such that the shaft 8, hammer 7 and impact member 10 are in axial alignment
- Shaft member 14 engages stem 5 via opposite gender profiled parts including threads at junction 30 .
- the stem 5 includes a female thread and the leading end 3 of the shaft 14 has a corresponding male thread.
- the impact member 10 is hoJlow and forms a concentric sleeve surrounding the boss 17 forming the connection between the first and second shaft members 14 and 8 respectively,
- the fully assembly 1 comprises a large shaft 8, small shaft 14 connected to the shaft 8, an impaction member 10 disposed about a connection between the large and small shafts. Cavity 28 is formed to receive a biasing spring which allows axial movement in the impact member 10 to accommodate necks of different sizes-
- stationary weight forming handle 6 is connected to a distal end of shaft 8.
- Figure 5 shows a long section view of the assemblies described in figures 1 - 4 fully assembled and with corresponding numbering.
- the slap weight is only aligned axially; it is free to move up and down the large shaft.
- the surgeon holds the stationary mass with one hand, and with the other moves the slap weight up and down to impact the neck into the stem.
- the number of impactions required is at the surgeon's discretion.
- Figure 6 shows a long sectional elevation, of the assembly used as an extraction tool.
- the multi function hammer assembly described herein is primarily used to insert the neck into the stem. However, it can also perform its traditional role of removal of the stem from the medullary cavity of a patient's femur.
- sub assembly 24 Only one part of the assembly 1 is required namely sub assembly 24.
- the sub- assembly 24 consists of the large shaft 8, hammer 7 and handle 6.
- Neck impaction member 10 is not required for extraction. Instead, the other sub-assembly consisting of the large shaft, slap weight and stationary mass is used.
- the large shaft 8 is inserted directly into the stem 5 (the neck 11 has already been removed by this stage). The surgeon may now apply force to the stationary mass handle 6 to remove the stem from the femur using hammer 7 urged in the direction of arrow 36 as required.
- Figure 7 shows an enlarged side elevation view of the impact member
- Leading end 40 includes a cylindrical portion 41 which transforms into a conical region 42.
- An intermediate cylindrical region 43 includes a cleaning slot 44 for a spring housed in cavity 28 and cleaning slot 45 for grub screw slot .
- An additional cleaning slot 46 is provided at end 13. O ⁇ ce the neck 11 has been impacted into stem S, the sub- assemblies 24 and 27 must be removed. The removal process of the small shaft 14 of sub-assembly 27 has been aided by the addition of a knurled finish to the largest diameter of the neck impaction member 10. A second method for removal is the use of the additional cleaning slot 46. If required, the surgeon may place an appropriate instrument into this slot and use it to create torque, thereby removing the shaft 14 from the stem 5.
- slot 45 Aiding in this instruments ability to be used for the entire range of neck sizes is the grub screw slot 45.
- the geometry of slot 45 has been designed so that the appropriate range of motion may be obtained, but restricts unwanted movement and keeps the sub-assembly 27 in which it is used captive.
- sub-assemblies 24 and 27 are to remain captive, cleaning is a relevant consideration.
- the sub-assembly 24 consisting of the large shaft 8 aud stationary member 6 and slap weight/hammer 7 is not as susceptible to difficult cleaning access as sub-assembly 27 , which ha$ internal springs and other moveable elements. This need for access has been addressed by the use of cleaning slots 44, 45 and 4$ in the neck impaction member 10.
- Figure 8 shows a perspective 3D view of the assemblies described wjth reference to figures 1 - 4 fully assembled and connected to a stem component via a neck component.
- Figure 9 shows a side elevation view of the assembly of figure 8.
- Figure 10 shows an enlarged elevation view of the assembly of figure 9 with the handle absent and figure 11 shows a long sectional view of the assemblies described in figures 1 - 4 fully assembled and connected to a stem component via a neck component
- Stationary weight is preferably 75% of existing slap hammer weight (including shaft).
- Existing Slap hammer weight - 0.97 + 0.4 1.4kg
- Slap weight is approximately 75% of stationary weight (i.e. 0.75kg).
- the shear stress will occur at the major diameter, that is, at the internal thread.
- the shaft will not shear before the tapered hole due to the material.
- the threads will not fail in tension or shear.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2007219725A AU2007219725A1 (en) | 2006-03-03 | 2007-03-03 | Multi function hammer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006901095 | 2006-03-03 | ||
AU2006901095A AU2006901095A0 (en) | 2006-03-03 | Multi Function Hammer |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007098549A1 true WO2007098549A1 (en) | 2007-09-07 |
Family
ID=38458585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2007/000246 WO2007098549A1 (en) | 2006-03-03 | 2007-03-03 | Multi function hammer |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2007219725A1 (en) |
WO (1) | WO2007098549A1 (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011123954A1 (en) * | 2010-04-05 | 2011-10-13 | Ross Paul And Associates Ltd. | Medical implant extraction device |
WO2011161291A1 (en) * | 2010-06-24 | 2011-12-29 | Marcelo Oscar Feijoo | Femoral prosthesis extractor for checks and extraction method |
US8236004B2 (en) | 2006-05-01 | 2012-08-07 | Greatbatch Medical S.A. | Inserter for minimally invasive joint surgery having an interchangeable prosthesis engaging piston |
US8277457B1 (en) | 2004-12-09 | 2012-10-02 | Greatbatch Medical S.A. | Orthopaedic inserter using a collet mechanism |
US8398650B1 (en) | 2009-01-27 | 2013-03-19 | Greatbatch Medical S.A. | Offset cup impactor with an expandable dome for double mobility implants |
US8533921B2 (en) | 2010-06-15 | 2013-09-17 | DePuy Synthes Products, LLC | Spiral assembly tool |
US8556912B2 (en) | 2007-10-30 | 2013-10-15 | DePuy Synthes Products, LLC | Taper disengagement tool |
US8585709B2 (en) | 2011-01-17 | 2013-11-19 | Greatbatch Medical S.A. | Straight cup impactor with lever arm |
US8685036B2 (en) | 2003-06-25 | 2014-04-01 | Michael C. Jones | Assembly tool for modular implants and associated method |
US8696758B2 (en) | 2011-04-06 | 2014-04-15 | DePuy Synthes Products, LLC | Revision hip prosthesis having an implantable distal stem component |
CN104068926A (en) * | 2014-07-14 | 2014-10-01 | 朱敏 | Screw blade type pedicle screw and arranging device and using method thereof |
US8870886B2 (en) | 2011-08-26 | 2014-10-28 | Greatbatch Medical S.A. | Straight cup impactor |
US8961528B2 (en) | 2010-08-27 | 2015-02-24 | Greatbatch Medical S.A. | Offset cup impactor with a grasping plate for double mobility implants |
US8998919B2 (en) | 2003-06-25 | 2015-04-07 | DePuy Synthes Products, LLC | Assembly tool for modular implants, kit and associated method |
US9028502B2 (en) | 2011-09-23 | 2015-05-12 | Greatbatch Medical S.A. | Ceramic implant holder |
US9095452B2 (en) | 2010-09-01 | 2015-08-04 | DePuy Synthes Products, Inc. | Disassembly tool |
US9119731B2 (en) | 2011-01-17 | 2015-09-01 | Greatbach Medical S.A. | Straight cup impactor |
US9119601B2 (en) | 2007-10-31 | 2015-09-01 | DePuy Synthes Products, Inc. | Modular taper assembly device |
WO2020070244A1 (en) * | 2018-10-04 | 2020-04-09 | Depuy Ireland Unlimited Company | Prosthesis extraction system |
US10695194B2 (en) | 2016-11-23 | 2020-06-30 | Alphatec Spine, Inc. | Instrument configured to generate an impact and retracting load on an inserter |
US11826267B2 (en) | 2017-04-12 | 2023-11-28 | Depuy Ireland Unlimited Company | Femoral trialling kit and assembly |
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US5788701A (en) * | 1995-12-21 | 1998-08-04 | Johnson & Johnson Professional, Inc. | Instrument system for knee prothesis implantation with universal handle or slap hammer |
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WO2000051530A1 (en) * | 1999-03-03 | 2000-09-08 | Smith & Nephew, Inc. | Methods, systems, and instruments for inserting prosthetic implants |
US20030083668A1 (en) * | 2001-10-30 | 2003-05-01 | Christopher Rogers | Slaphammer tool |
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2007
- 2007-03-03 AU AU2007219725A patent/AU2007219725A1/en not_active Abandoned
- 2007-03-03 WO PCT/AU2007/000246 patent/WO2007098549A1/en active Application Filing
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WO1980000534A1 (en) * | 1978-09-04 | 1980-04-03 | Schwarzkopf Dev Co | Device for insertion and extraction of medullary nails |
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US5409492A (en) * | 1993-08-09 | 1995-04-25 | Stelkast Incorporated | System for coupling an implant to a tool for inserting and removing the implant |
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Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
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US9381097B2 (en) | 2003-06-25 | 2016-07-05 | DePuy Synthes Products, Inc. | Assembly tool for modular implants, kit and associated method |
US8998919B2 (en) | 2003-06-25 | 2015-04-07 | DePuy Synthes Products, LLC | Assembly tool for modular implants, kit and associated method |
US8685036B2 (en) | 2003-06-25 | 2014-04-01 | Michael C. Jones | Assembly tool for modular implants and associated method |
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