EP1343430A1 - Manipulator für einen geschlossenen magnetresonanztomographen - Google Patents
Manipulator für einen geschlossenen magnetresonanztomographenInfo
- Publication number
- EP1343430A1 EP1343430A1 EP01991822A EP01991822A EP1343430A1 EP 1343430 A1 EP1343430 A1 EP 1343430A1 EP 01991822 A EP01991822 A EP 01991822A EP 01991822 A EP01991822 A EP 01991822A EP 1343430 A1 EP1343430 A1 EP 1343430A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- manipulator
- housing
- support arm
- mri
- patient
- 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.)
- Withdrawn
Links
- 210000000481 breast Anatomy 0.000 claims abstract description 23
- 238000009607 mammography Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000001574 biopsy Methods 0.000 description 25
- 238000002604 ultrasonography Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000000315 cryotherapy Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002430 laser surgery Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/708—Breast positioning means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- 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
- A61B34/70—Manipulators specially adapted for use in surgery
-
- 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
- A61B90/37—Surgical systems with images on a monitor during operation
- A61B2090/374—NMR or MRI
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/502—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of breast, i.e. mammography
Definitions
- the present invention relates to a manipulator for use in a closed magnetic resonance tomograph MRI with a continuous channel for inserting a patient support for female patients in a prone position in MR mammography, with a support arm and a receiving housing at its tip for the instruments for treating the patient, with which these can be moved into the channel parallel to its longitudinal axis, can be positioned steplessly in any direction with respect to the position of the breast and can also be operated on the breast in this position.
- a closed MRT is characterized by the continuous channel without additional lateral openings.
- the MRI-assisted mammography with the resulting further treatment steps is carried out in a large number of steps in which the patient repeatedly exits into the channel of the device. and must be run in.
- the surgical treatment steps when using a closed MRI on the patient could previously only be carried out outside the device. This means a great deal of time, great physical and psychological strain on the patient and an additional risk due to possible changes in the position of the mother, especially in the case of longer time sequences of the work steps.
- the long expenditure of time means correspondingly high costs of the therapy.
- EP-A-0 534 607 there is an MRI with two described ring-shaped magnets, within which the patient lies and between which a mechanical device for heat treatment of tumors of the patient by means of laser energy (not detailed) is attached from the side.
- a previous biopsy is not intended for the MRI according to the EP and would have to be done outside the device in another way beforehand.
- EP-A-0 534 607 therefore gives no suggestion of improving the situation described above.
- US Pat. No. 5,443,068 describes a system for an MRI-based but non-invasive treatment of tumors by local ultrasound heating.
- the system consists of a closed MRI (with a continuous channel) for one-sided insertion of a patient bed, into which a manipulator with an ultrasound transducer is integrated directly below the bed surface.
- the manipulator has a trough-shaped support arm for receiving the focusing ultrasound transducer which can laterally be displaced in all three spatial axes and always radiates upwards, as well as the coupling medium required for the transmission of the ultrasound waves.
- the coupling medium For the transmission of the ultrasound waves to the patient's body, there is a membrane on the coupling medium, on which the patient's body, preferably the breast, rests and clings to it.
- the lateral displaceability of the ultrasound transducer in the coupling medium takes place for each of the three spatial axes. via cardan shafts and gears separately for each spatial axis, whereby the electric drives are outside the MR magnetic field and do not influence it.
- DE 198 18 785 AI describes a manipulator for a closed MRI with a continuous channel for inserting a patient support for female patients in a prone position in MR mammography, with a support arm and a receiving housing at its tip for the instruments for treating the patient which can be moved into the channel parallel to its longitudinal axis, can be steplessly positioned in any direction with respect to the position of the breast and can also be operated on the breast in this position.
- the support arm is inserted in a swivel arm, which is guided in a hanging manner from a horizontally guided slide on a frame that occupies the entire cross section of the MRT channel, perpendicular to the MRT channel.
- the tip By swiveling the swivel arm, moving the slide and moving the manipulator parallel to the longitudinal axis of the channel, the tip can be moved in any direction to the position of the breast, but for swiveling the swivel arm horizontally up and down, the swivel arm is swiveled as well the sledge has to be moved.
- the task of the present invention is to further develop a manipulator for an MRI as described at the beginning and to improve its handling.
- the structure should be simplified in favor of a smaller size and a higher rigidity
- the movement sequences when moving the manipulator tip to the position of the breast should be redesigned for easier control and increased operational reliability.
- the position of the patient, the patient support and the MRI, which were positioned in relation to one another before the use of the MRT, should be able to be maintained over the entire surgical site.
- the invention proposes the features that are stated in the characterizing part of claim 1. Further advantageous features which further develop the invention can be seen in the characterizing parts of the subclaims.
- FIG. 3 shows a section through the MRT with the manipulator approximately along the line AA of FIG. 1, but in the laterally extended position
- the manipulator shown in the figures is intended for use in a closed MRI with a continuous channel 1, which is indicated in FIG. 3 and in which from one side a table 2 serves as a support for the manipulator and a patient bed 3 for female patients for MR mammography and any further treatment.
- a table 2 serves as a support for the manipulator and a patient bed 3 for female patients for MR mammography and any further treatment.
- the manipulator and the patient couch 3 are guided in the longitudinal direction of the table as two separate units one behind the other, the table being designed as a running rail under the support points 4.
- the entire manipulator as well as the patient bed 3 and the table 2 are made of MRI-compatible materials.
- the horizontal direction perpendicular to the longitudinal direction of the table 2 and the channel 1 (see FIGS. 1 a, 1 b and 3) is used as the x-axis and the vertical direction perpendicular to the x-axis (see FIG. 2) as the y-direction and 3) understood.
- the axis, which is perpendicular to the axes x and y and thus runs parallel to the longitudinal direction of the table 2 and the channel 1, is referred to below as the z axis (see FIGS. 1 a, 1 b and 2).
- the patient (not shown) is shown on the patient couch (the position of the mother 5 is shown, for example, in FIG. 2) in the prone position, the mother 5 projecting downward through two openings 6.
- the positions of the breast (breasts) possible due to the anatomical differences lie in the area of the two windows 7 indicated in FIG. 3, which show the working area of the manipulator in the vertical plane perpendicular to the longitudinal direction of the table 2 or the channel 2 (x / y- Level).
- the breast 5 to be treated in each case is fixed there in the longitudinal direction by pressure plates 6 or / and a frame and is positioned on the table 2 in the isocenter of the MRT by moving the patient bed 3.
- the manipulator is then, as shown in FIGS. 1 a and b and 2, pushed on the table with its tip 8 in the Z direction to the breast 5 to be examined.
- the instruments required for the treatment are accommodated in or at this tip 8 (cf. FIGS. 2 and 4 to 6).
- the manipulator essentially consists of two subassemblies, a gimbal-type swivel device for the support arm 9 and the manipulator arm, consisting of the support arm 9 and the tip 8 attached to it, with a housing for medical instruments.
- the cardanically acting pivoting device for the support tube 9 is built on a base plate 10 which is mounted on the table 1 so as to be displaceable in the z direction.
- a hole in the base plate serves as a bearing for a common horizontal swivel direction (approximately x ⁇ direction in the middle position) for a structurally rigidly connected assembly consisting of swivel housing 11, drive block 12 and drive housing 13, and thus also for the support arm 9 about the axis 14
- This swiveling movement is driven by an MRI-compatible motor, preferably a piezomotor 15, which drives a pinion 17 via a belt drive 16, alternatively a gear transmission, which in turn engages in a curved toothed segment 18 firmly attached to the base plate 10 and thus a Relative movement of the drive block (12) to the base plate (10) around the axis 14 causes.
- the support arm 9 of the manipulator which is oriented in the neutral direction according to FIGS. 1 a and 2 in the z direction, penetrates the swivel housing 11 and the drive housing 13 through a breakthrough which is provided in each of these components (see FIG. 2).
- the vertical pivoting movement is driven by an MRI-compatible motor, preferably a piezomotor 21, which, arranged in the drive housing 13, drives a worm thread 22, which in turn drives into a curved toothed segment firmly attached to a holding sleeve 23 for the support arm 8 24 engages and thus in this area a relative movement from the drive housing 13 to the support arm 9 around the Bolt 20 causes.
- an MRI-compatible motor preferably a piezomotor 21, which, arranged in the drive housing 13, drives a worm thread 22, which in turn drives into a curved toothed segment firmly attached to a holding sleeve 23 for the support arm 8 24 engages and thus in this area a relative movement from the drive housing 13 to the support arm 9 around the Bolt 20 causes.
- This area is only shown in detail in FIG. 2, whereas FIGS. 1 a and b only schematically show the position of the manipulator arm 9 in the swivel housing 11 and the drive housing 13.
- the manipulator is displaced in the z direction by manually moving the base plate 10 on the table 2 relative to the patient bed.
- a fine adjustment of the manipulator along the support arm axis is outside of the MRT via a set screw 25 which engages in a thread connected to the holding sleeve 23 and acts against a stop 26 placed on the support arm 9. Channel possible.
- the manual adjusting screw 25 in the case of computer-aided positioning in the MRI, it is advisable to drive the adjusting screw with a piezomotor suitable for MRI.
- the second assembly of the manipulator comprises the manipulator arm, which is described in more detail below with reference to an overview according to FIG. 2 and the detail sections according to FIGS. 4 and 5.
- the manipulator arm consists of the support arm 9 and the attached tip 8 with a receptacle for medical instruments. It is, as described above, inserted with the support arm 9 in the holding sleeve 23 and the receiving sleeve 19 so as to be displaceable and pivotable in its longitudinal axis. In the area between the holding sleeve 23 and the tip 8, the support arm is cut open at the top and bottom to form a continuous recess 27. This recess 27 serves in the manner described later for receiving the interchangeable surgical instruments. Furthermore, the support arm has a continuous instrument channel 29 between the proximal end 28 and the recess 27. This instrument channel 29 is used in particular to push through and operate the instruments required for treatment from the proximal end 28 to the tip 8 of the manipulator arm.
- the instrument holder 30 is inserted into the recess 27 and has an interior 31.
- the instrument holder 30 can be swiveled vertically and - after rotation of the support tube 9 in the holding sleeve 23 and the holding sleeve 19 by 90 ° - also horizontally about the circular segment 32 as a plain bearing surface around the invariant point 33.
- the circular segment 32 is formed from the rear of the distal end piece 34 of the manipulator and has a vertical (in relation to the position shown in FIGS. 4 and 5) T-guide 35 in which the end face 36 of the instrument holder 30, which is designed as a counterpart, slides ,
- the receptacle housing 37 which can be displaced therein in the z direction (based on the horizontal central position) and in which the instruments used for the treatment can be inserted and replaced.
- the displacement on the housing is done manually using a push rod
- the hub 38 38 from the proximal end 28 of the manipulator arm.
- the receiving housing 37 also has a recess 41 on the proximal side for the insertion of a surgical instrument, which opens on the distal side into a countersunk bore 42 in the receiving housing 37 and this then leads into a trocar 43 connected to the receiving housing.
- the trocar 43 in the end face 36 of the instrument holder 30 is additionally guided through a sliding sleeve 44 through a bore in the distal end piece 34 of the manipulator.
- An instrument 53 is inserted into the receiving housing 37 in an instrument adapter 54 shown in FIG. 2, and is axially displaceable with this in the recess 41.
- the instruments used are, on the one hand, a biopsy device for taking a tissue sample and, on the other hand, the applicator of a cryo- or laser device for any subsequent cryotherapy or laser surgery.
- instrument adapters 54 specially designed for the instrument 53 used are used, which thus enable the respective instrument to be adapted to the cutout 41 of the receiving housing 37.
- the instrument adapter 54 can be locked in various positions with the instrument 53 by means of a coupling device in the form of a rotatable link plate 58 which engages selectively in the receiving housing 37 and the instrument adapter 54 and can be removed from it in the proximal direction after loosening the coupling device.
- a coupling device in the form of a rotatable link plate 58 which engages selectively in the receiving housing 37 and the instrument adapter 54 and can be removed from it in the proximal direction after loosening the coupling device.
- the function of the link plate is described in more detail elsewhere in connection with Figures 6 a to h.
- a sterile sleeve 55 must be used as a protective component on the end face 36 of the instrument receptacle 30, which is pierced by the trocar during the advancing movement of the receptacle housing 37.
- a pivot lever 46 with two legs 47 and 48 which are perpendicular to one another is mounted on the side of the instrument holder 30 on an axis 45 seated in the support tube 14 and has one leg 47 movable on the instrument holder 30 attacks and on the other leg 48 a push rod 49 is articulated.
- the stroke 50 generated by an axial movement pivots the pivot lever 46 about the axis 45, so that the leg 47 is rotated upwards and downwards and the instrument receptacle 30, which is articulated thereon and the receptacle housing 37 accommodated therein, also pivots with the trocar 43 instrument.
- the rotation by the angle 51 pivots the instrument holder 30, the push rod 49 having a graduation with a raster 52 at its proximal end.
- the instrument holder is pivoted 30 degrees by degrees using the push rod 49 up or down.
- the support tube 9 in the receiving sleeve 19 and in the holding sleeve 23 must be rotated through 90 °.
- the breast 5 of the patient lying on the patient support 3 in the MRT channel 1 in the prone position is positioned in the isocenter of the MRT in the area of the windows 7 (see FIG. 3) in the openings 6 and in a manner not shown, preferably with fixing plates, -frame or an anatomically shaped shell with puncture options, fixed.
- the slice images are then created in a conventional manner, with the target coordinates of any findings being recorded. If the result is positive, ie, in the case of a biopsy to be performed, the target tissue 56 is defined and its coordinates are converted into control commands for manipulator setting by means of piezoelectric motors (approximately x, y and z directions) by a control computer (not described further).
- the calculation of the control commands takes into account corrections due to the possible swivel angle of the manipulator arm deviating from the z-direction and the distance between tip 8 and target tissue in the breast 5 which is variable due to the swivel process in such a way that the feed path of the trocar 43 and the instrument 53 in the Mamma 5 can be set approximately independently of the possible swivel position.
- FIGS. 6 a to h show the tip 8 of the manipulator arm with instrument holder 30, which has not yet been pushed towards the breast for the biopsy to be performed.
- the receiving housing 37 with the instrument 53 in the instrument adapter 54 is located in the recess 41 in the retracted position, i. H. the trocar 43 is not extended.
- the instrument adapter 54 is locked by means of the link plate 58 at the rear end of the receiving housing 37.
- the instrument 53 is a biopsy device, the biopsy needle 57 of which is inserted into the trocar 43.
- the target tissue 56 for the biopsy in the breast 5 is also shown in FIGS. 6 a to h.
- the manipulator tip is first pushed manually against the breast 5 using the adjusting screw 25 (cf. FIG. 2) for the biopsy.
- the needle 8 is pierced approximately in the x and y directions after the tip 8 has been readjusted until just before the target tissue (FIG. 6 c).
- the trocar 43 is advanced together with the receiving housing 37 in the interior 31 of the instrument holder 30 via the push rod 38 (see FIG. 5), which engages on the receiving housing 37.
- the penetration depth of the trocar is set by an adjustable stop 61 (cf. FIG. 5) and, if necessary, limited by the z-axis setting using the adjusting screw 25 with the piezomotor.
- a tissue sample is taken from the target tissue 56 by actuating the biopsy device (instrument 53) via the biopsy needle 57 (FIG. 6 d).
- the biopsy device is triggered, for example, by rotating the link plate 58 via the rod 59 or a Bowden or cable pull (not shown) in a rod 59 designed in this case as a tube (cf. FIG. 2).
- the instrument adapter 54 with the biopsy device in the recess 41 of the receiving housing 37 is pulled back by tightening the rod 59, whereby the biopsy needle 57 with the tissue sample is drawn back into the trocar 43 (FIG. 6 e).
- the locking of the instrument adapter 54 in the receiving housing 37 is to be released beforehand by a defined rotation of the link plate 58 via the rod 59. This retraction movement is limited by a proximal stop 62 for the link plate 58 in a corresponding rotational position on the receiving housing 37.
- the trocar 43 is partially pulled out by pulling back the receptacle housing 37 in the interior 31 of the instrument receptacle 30 with the push rod 38 to such an extent that the trocar tip for the insertion of instruments for any further treatment steps that may be required remains in the mom.
- the biopsy device is exchanged for a cryo- or laser applicator.
- This is brought into the receiving housing 37 in the same way as the biopsy device, which is still positioned according to the target coordinates of the manipulator.
- the manipulator In this fixed position, e.g. administered cryogenic or laser energy according to the size of a detected tumor.
- 6 h shows the principle of a fan biopsy.
- the instrument holder 30 with the holder housing 37 is pivoted by means of the push rod 49 and the pivot lever 46, as shown in FIG. 4.
- the positioning drives are not motorized via the aforementioned mechanical transmission elements, but fluidically via hydraulic or pneumatic adjusting elements, preferably via adjusting pistons integrated in a closed control circuit.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Robotics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Laser Surgery Devices (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10063566 | 2000-12-20 | ||
DE10063566A DE10063566C1 (de) | 2000-12-20 | 2000-12-20 | Manipulator für einen geschlossenen Magnetresonanztomographen |
PCT/EP2001/014535 WO2002049525A1 (de) | 2000-12-20 | 2001-12-11 | Manipulator für einen geschlossenen magnetresonanztomographen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1343430A1 true EP1343430A1 (de) | 2003-09-17 |
Family
ID=7667982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01991822A Withdrawn EP1343430A1 (de) | 2000-12-20 | 2001-12-11 | Manipulator für einen geschlossenen magnetresonanztomographen |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030208121A1 (de) |
EP (1) | EP1343430A1 (de) |
JP (1) | JP3728437B2 (de) |
DE (1) | DE10063566C1 (de) |
WO (1) | WO2002049525A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2332373T3 (es) * | 2004-05-21 | 2010-02-03 | Ethicon Endo-Surgery, Inc. | Aparato de biopsia por mir que incorpora una parte de penetracion que puede formar imagenes. |
US7611474B2 (en) * | 2004-12-29 | 2009-11-03 | Ethicon Endo-Surgery, Inc. | Core sampling biopsy device with short coupled MRI-compatible driver |
DE102005023121B4 (de) * | 2005-05-19 | 2010-10-07 | Dresel, Christian, Dr.med. | Vorrichtung und Verfahren zur automatischen Applikation und/oder Stimulation in Magnetresonanztomographen (MRT) |
KR101418718B1 (ko) | 2012-12-26 | 2014-07-14 | (주)미래컴퍼니 | 수술용 로봇 암의 인스트루먼트 커플러 구조 |
JP6353028B2 (ja) * | 2013-03-14 | 2018-07-04 | インビボ コーポレイション | 磁気共鳴画像診断用コイルシステム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0595291A1 (de) * | 1992-10-30 | 1994-05-04 | International Business Machines Corporation | Ferngesteuerter um einen Zentralpunkt bewegbaren Roboter für Chirugie |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5291890A (en) * | 1991-08-29 | 1994-03-08 | General Electric Company | Magnetic resonance surgery using heat waves produced with focussed ultrasound |
US5443068A (en) | 1994-09-26 | 1995-08-22 | General Electric Company | Mechanical positioner for magnetic resonance guided ultrasound therapy |
DE29521366U1 (de) * | 1995-11-20 | 1997-05-28 | Noras, Hubert, 97082 Würzburg | MRI- Brustspule |
DE19626286C5 (de) * | 1996-07-01 | 2007-11-08 | Hubert Noras | Einrichtung für eine MRI-Brustspule zum Fixieren einer zur biopsierenden Brust |
DE19639975C1 (de) * | 1996-09-27 | 1998-05-07 | Siemens Ag | Medizinische Einrichtung mit einer tunnelförmigen Öffnung zur Aufnahme eines Untersuchungsobjektes |
DE19818785A1 (de) * | 1998-04-27 | 1999-11-04 | Karlsruhe Forschzent | Magnetresonanztomograph |
-
2000
- 2000-12-20 DE DE10063566A patent/DE10063566C1/de not_active Expired - Fee Related
-
2001
- 2001-12-11 JP JP2002550871A patent/JP3728437B2/ja not_active Expired - Fee Related
- 2001-12-11 EP EP01991822A patent/EP1343430A1/de not_active Withdrawn
- 2001-12-11 WO PCT/EP2001/014535 patent/WO2002049525A1/de active Application Filing
-
2003
- 2003-05-23 US US10/444,841 patent/US20030208121A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0595291A1 (de) * | 1992-10-30 | 1994-05-04 | International Business Machines Corporation | Ferngesteuerter um einen Zentralpunkt bewegbaren Roboter für Chirugie |
Also Published As
Publication number | Publication date |
---|---|
JP2004516064A (ja) | 2004-06-03 |
DE10063566C1 (de) | 2002-08-29 |
JP3728437B2 (ja) | 2005-12-21 |
WO2002049525A1 (de) | 2002-06-27 |
US20030208121A1 (en) | 2003-11-06 |
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