WO2002062250A1 - Vorrichtung und verfahren für die intraoperative navigation - Google Patents
Vorrichtung und verfahren für die intraoperative navigation Download PDFInfo
- Publication number
- WO2002062250A1 WO2002062250A1 PCT/CH2001/000087 CH0100087W WO02062250A1 WO 2002062250 A1 WO2002062250 A1 WO 2002062250A1 CH 0100087 W CH0100087 W CH 0100087W WO 02062250 A1 WO02062250 A1 WO 02062250A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axis
- coordinate system
- relative
- surgical instrument
- prosthesis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/101—Computer-aided simulation of surgical operations
- A61B2034/105—Modelling of the patient, e.g. for ligaments or bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2055—Optical tracking systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2072—Reference field transducer attached to an instrument or patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3937—Visible markers
- A61B2090/3945—Active visible markers, e.g. light emitting diodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/25—User interfaces for surgical systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
Definitions
- the invention relates to a device for intraoperative navigation of a surgical intervention, in particular for placing a medical implant or a prosthesis according to the preamble of patent claim 1, and to a method for navigation of a surgical intervention according to the preamble of patent claim 5.
- the image data acquisition is carried out via a computer, where the images can be stored in digital form as a matrix of currently typically 128 2 to 1024 2 pixels, and several images of a bone or another part of the body are taken from different angles, one can use these X-ray images on one On the screen or by other projection means, visual representations of bones or bone fragments, such as views, perspective representations or sections, are generated.
- the images used to plan the surgical procedure must be registered in-situ with the patient's bones or bone fragments before the operation.
- the registration process is used to determine a geometric transformation between the position of points on the patient's real bone relative to a three-dimensional coordinate system in the operating room and the position of the identical points on the computer in Form a record of stored virtual bones relative to the coordinate system of the images.
- a method for implanting a knee endoprosthesis using computer-aided navigation is known from US Pat. No. 5,682,886 DELP.
- Images of the body parts of interest of the patient are recorded using a radiation source and a receiver and stored in the computer as a data record.
- a three-dimensional computer model of the recorded body part is produced by means of the computer.
- a computer tomograph, an MRI device (magnetic resonance imaging) or an x-ray source is preferably used as the radiation source.
- a conventional scanning protocol is used to collect the image data.
- the images obtained by computer tomography are two-dimensional cross-sectional images of the bone or the part of the body.
- the protocol records such cross-sectional images in several axially successive layers, the layer thickness being, for example, 1.5 mm.
- the number of pictures to be taken depends on the length of the bone.
- the surgeon then produces a three-dimensional computer model, preferably a surface reconstruction, which must be registered with the patient's real bones or parts of the body before the computer-assisted surgical intervention begins. This registration can be made by scanning several anatomical landmarks on the patient's body using a pointer that can be measured in terms of its position in space and determining the corresponding point on the screen.
- the measured position of the surgical instrument or tool used in each case is displayed together with a perspective view or a section of the computer model of the bone, so that the surgeon can see the relative positions on the screen, for example the in-situ invisible bones and instrument parts Can visually track the screen.
- a disadvantage of this known method is the complex and complex method for producing the visual representation of the bone, which is based on computer tomography.
- the invention seeks to remedy this.
- the invention has for its object to provide a device and a method for surgical navigation, which on based on a reference coordinate system formed by only a few anatomical landmarks.
- the effort for determining a reference system for surgical navigation is considerably reduced by the method according to the invention, as a result of which the computer-assisted navigation of the surgical instrument can be carried out with significantly less effort during operations.
- the invention achieves the stated object with a device for intraoperative navigation, which has the features of claim 1, and with a method for intraoperative navigation, which has the features of claim 5.
- the device according to the invention is used for intraoperative navigation of a surgical intervention, in particular for placing a medical implant or a prosthesis with the support of a medical image capture device, and essentially comprises a mobile medical image capture device with at least one radiation source and at least one receiving unit for the through the at least one Radiation emitted radiation, at least one surgical instrument or implant, a position detection device and a computer, which is connected to the position detection device and comprises a screen.
- the at least one radiation source and the at least one receiving unit are fixedly connected relative to one another to form a receptacle unit that is movable and movable in the operating room.
- a reference element is attached to this receiving unit and to the at least one surgical instrument, the spatial position and orientation of which can be determined relative to a spatially fixed coordinate system by means of the position detection device.
- the computer also includes a screen on which images taken preoperatively or intraoperatively by means of the image capturing device or also views, perspective representations or sections of the virtual bone or bone fragment stored as a data record in the processor or data memory can be represented.
- the surgeon receives numerical and / or graphic feedback about the angles and positions or depths of the surgical instrument and, if necessary, an overlay of the instrument position with a medical image data set.
- This medical image data record can be a representation of a bone or a bone fragment and can be from, for example X-ray images taken intraoperatively exist and are stored in the form of a data record in the data memory of the computer.
- the mobile image capturing device comprises a chassis which can be moved in the plane of the floor of an operating room and an image capturing unit which can be displaced in three mutually perpendicular axis directions relative to the fixed coordinate system and rotated about these axes.
- the intraoperative navigation with the use of surgical instruments which can be measured by the position detection device with regard to their position in the fixed coordinate system, and the feedback about the position of the surgical instrument relative to the bone require a reference system that is firmly connected to the bone and defines its position in the fixed coordinate system have to be. This referencing of the fixed coordinate system with the reference system on the bone can be carried out with little effort by the method according to the invention.
- the method according to the invention for navigating a surgical intervention, in particular for placing a medical implant or a prosthesis essentially comprises the steps:
- A) define and measure three non-linear reference points arranged on a patient's bone.
- the position of these reference points can be determined percutaneously using a pointer.
- an ultrasound device or another device for the three-dimensional localization of points for example an X-ray device, can also be used.
- a reference element is attached to these devices (pointer, ultrasound device or X-ray device), the position of which with respect to the fixed coordinate system can be determined by the position detection device and the computer.
- the position of the reference point with respect to the spatially fixed coordinate system can be determined from the known positions of the pointer tip or the ultrasound source or the image plane in the imaging X-ray method relative to the respective reference element.
- B) form a reference system from the reference points measured under step A).
- the reference points are anatomically excellent points, so that the anatomy of the bone with respect to the reference system is known;
- an axis X '; Y' of the reference system is identical to the longitudinal axis and the other axis X '; Y' is identical to the transverse axis of the patient, from which the sagittal plane, the transverse plane and the coronal plane can be determined.
- the reference system can also be determined without additional preoperative steps (e.g. creating a preoperative image data set or planning).
- FIG. 1 shows an embodiment of the device according to the invention for intraoperative navigation of a surgical intervention
- Fig. 3 shows the definition of the angle inclination and anteversion
- Fig. 4 shows the display of the axis of a surgical instrument in the case of an acetabular surgery with surgical navigation.
- FIG. 1 shows a device for surgical navigation using the example of an implantation of an artificial acetabular cup 28 with the support of a mobile medical image capturing device 3.
- an image capturing device 3 for example an X-ray device, essentially comprises one or more radiation sources 10 and one or more receivers 11, which act on a central axis 4 are arranged and have a projection plane 5.
- the device essentially comprises a position detection device 15 for the spatial measurement of reference elements 1 relative to a fixed three-dimensional coordinate system 13, a computer 6, which comprises display means 7 and is connected to the position detection device 15, and reference elements 1 which can be measured by the position detection device 15.
- Such reference elements 1 are attached to the image capture device 3 and to the corresponding surgical instrument 14.
- the reference elements 1 comprise four markers 16 that can be detected by the cameras 17 of the position detection device 15, so that the position and the spatial orientation of the reference elements 1 relative to the in-situ coordinate system 13 can be determined.
- the position of the acetabulum 27 By measuring the position and spatial orientation of the reference elements 1, the position of the acetabulum 27, the direction of the axis 24 of the surgical instrument 14 and the position of its tip 25 relative to the coordinate system 13 can be determined, and from this the numerical values of the relevant, currently in-situ set angles Calculate anteversion 36 (FIG. 3) and inclination 35 (FIG. 3) of the axis 24 of the surgical instrument 14 and display them on the display means 7.
- the surgeon can correct the direction of the axis 24 of the surgical instrument 14 during the operation from the size of the angles anteversion 36 and inclination 35 displayed on the display means 7 or their deviation from a possible plan.
- a broaching tool for machining the acetabulum is shown here as an example of a surgical instrument 14.
- the reference elements 1 comprise at least three markers 16, which are not arranged on a straight line.
- the markers 16 and the location means 17 of the Position detection device 15 can be configured as acoustically or electromagnetically effective means, the embodiment shown here including an optoelectronic position detection device 15.
- Fig. 2 shows a pelvic bone 2 with the acetabulum 27 (acetabular cup) and an artificial socket 28, with the axis 26 of the acetabulum 27, which goes through the center of the socket and is perpendicular to the end face of the socket.
- the position of the three reference points 19; 20; 21 on the pelvic bone 2 is measured relative to a coordinate system 13.
- Suitable reference points 19; 20; 21 on the pelvic bone 2 are, for example
- Reference point 19 Right anterior superior spina lliaca
- Reference point 20 middle of the pubis
- reference point 21 left spina lliaca anterior superior.
- the reference system can then be determined as a coordinate system 23 whose x-axis X 'corresponds to the longitudinal axis 37 of the patient (FIG. 3) and whose y-axis Y' corresponds to the transverse axis 38 of the patient equivalent.
- the relevant angle of inclination and anteversion (FIG. 3) can then be determined by means of this coordinate system 23.
- the position of the three reference points 19; 20; 21 can be determined percutaneously using a pointer (not shown), the tip of which is spatially measured.
- a pointer instead of the pointer, an ultrasound device or an imaging device, for example an X-ray device, can also be used.
- 3 serves to explain the two angles anteversion 36 and inclination 35 within a reference system which includes the sagittal plane 29, the transverse plane 30 and the coronal plane 31, the longitudinal axis 37 of the patient lying in the coronal plane 31.
- the axis 26 of the acetabulum 27 is projected through a first projection line 32 into the sagittal plane 29, through a second projection line 33 into the coronal plane 31 and through a third projection line 34 into the transverse plane 30.
- the operative definition is shown here. According to: DW Murray "The definition and measurement of acetabular orientation" in The Journal of bone and Joint surgery, 1993, pages 228ff, three different definitions for anteversion and inclination are common:
- the operative inclination 35 is the angle between the second projection line 33 and the sagittal plane 29, while the operative anteversion 36 is the angle between the first projection line 32 and the longitudinal axis 37 of the patient;
- the anatomical inclination is the angle between the axis 26 of the acetabulum and the longitudinal axis 37 of the patient, while the anatomical anteversion is the angle between the third projection line 34 and the transverse axis 38;
- the radiographic inclination is the angle between the second projection line 33 and the longitudinal axis 37 of the patient, while the radiographic anteversion 36 is the angle between the axis 26 of the acetabulum 27 and the coronal plane 31.
- FIG. 4 shows an embodiment of means suitable for intraoperative surgical navigation when intraoperatively using the angle display of anteversion 36 (FIG. 3) and inclination 35 (FIG. 3) on the basis of the reference system determined by the method according to the invention.
- These means essentially comprise a computer 6 and display means 7 connected to it.
- the display means 7 here consist of a screen, but in other embodiments can comprise, for example, a glasses-like screen (head mounted display).
- the display means 7 show a graphical representation of the surgical instrument 14 with its axis 24 and its tip 25. Furthermore, the numerical values of the relevant angles, inclinations 35 and Anteversion 36 shown on the display means 7.
- a scale for displaying the depth between the surface of the acetabulum (acetabular cup) and the tip 25 of the surgical instrument 14 can be shown in the display means 7.
- an imaging device for example a mobile x-ray device 3 (FIG. 1)
- a projection of the acetabulum 22 can additionally be displayed on the display means 7.
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Robotics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002438005A CA2438005A1 (en) | 2001-02-07 | 2001-02-07 | Device and method for intraoperative navigation |
| US10/471,000 US20040181149A1 (en) | 2001-02-07 | 2001-02-07 | Device and method for intraoperative navigation |
| PCT/CH2001/000087 WO2002062250A1 (de) | 2001-02-07 | 2001-02-07 | Vorrichtung und verfahren für die intraoperative navigation |
| ARP020100327A AR032802A1 (es) | 2001-02-07 | 2002-01-30 | Dispositivo y procedimiento para la navegacion intraoperativa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CH2001/000087 WO2002062250A1 (de) | 2001-02-07 | 2001-02-07 | Vorrichtung und verfahren für die intraoperative navigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002062250A1 true WO2002062250A1 (de) | 2002-08-15 |
Family
ID=4358177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CH2001/000087 Ceased WO2002062250A1 (de) | 2001-02-07 | 2001-02-07 | Vorrichtung und verfahren für die intraoperative navigation |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20040181149A1 (de) |
| AR (1) | AR032802A1 (de) |
| CA (1) | CA2438005A1 (de) |
| WO (1) | WO2002062250A1 (de) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004030559A1 (en) * | 2002-10-04 | 2004-04-15 | Orthosoft Inc. | A method for providing pelvic orientation information in computer-assisted surgery |
| FR2852226A1 (fr) * | 2003-03-10 | 2004-09-17 | Univ Joseph Fourier | Instrument medical localise a ecran orientable |
| DE102004011888A1 (de) * | 2003-09-29 | 2005-05-04 | Fraunhofer Ges Forschung | Vorrichtung zur virtuellen Lagebetrachtung wenigstens eines in einen Körper intrakorporal eingebrachten medizinischen Instruments |
| WO2005084541A1 (en) * | 2004-03-05 | 2005-09-15 | Depuy International Ltd | Pelvis registration method and apparatus |
| DE102004026524A1 (de) * | 2004-05-25 | 2005-12-22 | Aesculap Ag & Co. Kg | Verfahren zur Bestimmung eines knocheneigenen Koordinatensystems |
| DE102005003318A1 (de) * | 2005-01-17 | 2006-07-27 | Aesculap Ag & Co. Kg | Verfahren zur Anzeige der Position und Orientierung eines chirurgischen Werkzeuges und Vorrichtung zur Durchführung dieses Verfahrens |
| DE102005012708A1 (de) * | 2005-03-11 | 2006-09-21 | Eberhard-Karls-Universität Tübingen | Verfahren zum Bestimmen von Körperorientierungen im Raum anhand von zwei Röntgenaufnahmen |
| EP1667573A4 (de) * | 2003-02-04 | 2008-02-20 | Z Kat Inc | Verfahren und gerät zur computerunterstützung eines verfahrens zum hüftgelenktotalersatz |
| WO2012173890A3 (en) * | 2011-06-16 | 2013-04-18 | Smith & Nephew, Inc. | Surgical alignment using references |
| US8890511B2 (en) | 2011-01-25 | 2014-11-18 | Smith & Nephew, Inc. | Targeting operation sites |
| US8945147B2 (en) | 2009-04-27 | 2015-02-03 | Smith & Nephew, Inc. | System and method for identifying a landmark |
| US9031637B2 (en) | 2009-04-27 | 2015-05-12 | Smith & Nephew, Inc. | Targeting an orthopaedic implant landmark |
| US9220514B2 (en) | 2008-02-28 | 2015-12-29 | Smith & Nephew, Inc. | System and method for identifying a landmark |
| US9526441B2 (en) | 2011-05-06 | 2016-12-27 | Smith & Nephew, Inc. | Targeting landmarks of orthopaedic devices |
| US9539037B2 (en) | 2010-06-03 | 2017-01-10 | Smith & Nephew, Inc. | Orthopaedic implants |
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| CN113855288A (zh) * | 2021-11-01 | 2021-12-31 | 杭州柳叶刀机器人有限公司 | 图像生成方法、装置、电子设备及存储介质 |
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| WO2004080323A1 (fr) * | 2003-03-10 | 2004-09-23 | Universite Joseph Fourier | Instrument medical localise a ecran orientable |
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| DE102005003318A1 (de) * | 2005-01-17 | 2006-07-27 | Aesculap Ag & Co. Kg | Verfahren zur Anzeige der Position und Orientierung eines chirurgischen Werkzeuges und Vorrichtung zur Durchführung dieses Verfahrens |
| DE102005012708A8 (de) * | 2005-03-11 | 2007-03-29 | Eberhard-Karls-Universität Tübingen Universitätsklinikum | Verfahren zum Bestimmen von Körperorientierungen im Raum anhand von zwei Röntgenaufnahmen |
| DE102005012708A1 (de) * | 2005-03-11 | 2006-09-21 | Eberhard-Karls-Universität Tübingen | Verfahren zum Bestimmen von Körperorientierungen im Raum anhand von zwei Röntgenaufnahmen |
| US11928625B2 (en) * | 2006-05-25 | 2024-03-12 | DePuy Synthes Products, Inc. | System and method for performing a computer assisted orthopaedic surgical procedure |
| US20210334725A1 (en) * | 2006-05-25 | 2021-10-28 | DePuy Synthes Products, Inc. | System and method for performing a computer assisted orthopaedic surgical procedure |
| US9775649B2 (en) | 2008-02-28 | 2017-10-03 | Smith & Nephew, Inc. | System and method for identifying a landmark |
| US9220514B2 (en) | 2008-02-28 | 2015-12-29 | Smith & Nephew, Inc. | System and method for identifying a landmark |
| US9031637B2 (en) | 2009-04-27 | 2015-05-12 | Smith & Nephew, Inc. | Targeting an orthopaedic implant landmark |
| US9585722B2 (en) | 2009-04-27 | 2017-03-07 | Smith & Nephew, Inc. | Targeting an orthopaedic implant landmark |
| US9763598B2 (en) | 2009-04-27 | 2017-09-19 | Smith & Nephew, Inc. | System and method for identifying a landmark |
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Also Published As
| Publication number | Publication date |
|---|---|
| AR032802A1 (es) | 2003-11-26 |
| US20040181149A1 (en) | 2004-09-16 |
| CA2438005A1 (en) | 2002-08-15 |
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