WO2022011377A1 - Table d'imagerie conférant un meilleur accès à une région d'intérêt d'un patient - Google Patents

Table d'imagerie conférant un meilleur accès à une région d'intérêt d'un patient Download PDF

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Publication number
WO2022011377A1
WO2022011377A1 PCT/US2021/070826 US2021070826W WO2022011377A1 WO 2022011377 A1 WO2022011377 A1 WO 2022011377A1 US 2021070826 W US2021070826 W US 2021070826W WO 2022011377 A1 WO2022011377 A1 WO 2022011377A1
Authority
WO
WIPO (PCT)
Prior art keywords
bed
patient
gantry
imaging system
radiological imaging
Prior art date
Application number
PCT/US2021/070826
Other languages
English (en)
Inventor
Gregory William STOUTENBURGH
Mark DETTMAN
Damiano Fortuna
Leonardo Manetti
Original Assignee
Epica International, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US16/921,672 external-priority patent/US11712209B2/en
Application filed by Epica International, Inc. filed Critical Epica International, Inc.
Priority to EP21836972.6A priority Critical patent/EP4175551A4/fr
Publication of WO2022011377A1 publication Critical patent/WO2022011377A1/fr

Links

Classifications

    • 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
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/486—Diagnostic techniques involving generating temporal series of image data
    • A61B6/487—Diagnostic techniques involving generating temporal series of image data involving fluoroscopy

Definitions

  • the present disclosure relates in general to the field of a radiological imaging system, and in particular, to an imaging table for greater access to patient region of interest and systems/methods incorporating the foregoing.
  • Radiological imaging devices currently available on the market have a standard structure including a flatbed on which a patient is placed in order to perform image scanning of the patient.
  • the bed is typically fitted with straps to restrain the patient.
  • the straps may prevent the passage of the X-rays and thereby the correct visualization of the portions adjacent to the straps.
  • a patient may need to be repositioned for optimal imaging or to allow personnel, such as a physician, to gain access to the patient region of interest without removing the patient or the bed from the radiological imaging device.
  • the bed of existing imaging devices does not allow easy maneuverability of patients, especially when the patient is secured to the bed by straps or restraints. Consequently, the length of time needed to perform the aforementioned maneuvers increases.
  • a system and method including a bed and a radiological imaging device, and a bed for use with a radiological imaging device.
  • the bed is described in relation to a radiological imaging device, the bed may be used with other devices.
  • the bed of the current invention may be used as a surgical bed, a treatment bed, and a bed to transport a patient to and from various locations for different procedures.
  • At least a portion of the bed is made from a material having reduced Hounsfield units (HU) such as, for instance, a composite material with a polymer matrix and fiber reinforcement, yet more specifically, carbon fiber or aramid or glass fiber and matrix in epoxy resin or the like.
  • HU Hounsfield units
  • the imaging area of the gantry extends outside the closed ring (i.e. projected forward to allow clear side access) the clinician would have unobstructed access to three sides of the patient. This may be used with interventional procedures or may allow a portable imaging CT/Fluoroscopy device to be used with the gantry of the imaging system in the 90 degree rotated position with respect to the longitudinal axis of the patient in the bed.
  • the radiological imaging system includes at least one load-bearing structure to support the bed, the source and the detector.
  • the radiological imaging system may further include at least one retaining apparatus suitable to removably fix one or more load-bearing structures to the bed. This allows the bed to be secured to the one or more load-bearing structures, optionally during a procedure, and then later removed from one or more load-bearing structures after the procedure. After removing the bed from the load-bearing structure, the patient may be transported in the bed to another location.
  • the at least one retaining apparatus is suitable to fix the load-bearing structure to the bed using a snap-fit attachment.
  • retaining apparatus including Velcro, ties, hooks, screws, removable bolts, clasps, magnets or the like.
  • the bed is not secured to the load-bearing structure, and instead may be locked in place with relation to the floor.
  • the method also includes emitting radiation from a source to a portion of the patient, and receiving the radiation using at least one detector.
  • the at least one detector may be positioned substantially on an opposite side to the source in relation to the bed.
  • the bed is adjustable in X, Y, and Z axes.
  • the bed may be designed such that it may be put through the circular gantry of the imaging device and after removing the bed from the radiological imaging system, the patient may be transported in the bed to another location.
  • FIG. 1 shows an exemplary radiological imaging system, according to one embodiment
  • FIG. 2 shows a radiological imaging system with an exemplary bed in a lowered position
  • FIG. 3 shows a radiological imaging system with an exemplary bed in a raised position
  • FIG. 5 shows a side elevational view of a radiological imaging system
  • Figs. 6A and 6B show another embodiment of a radiological imaging system
  • Fig. 7 shows the radiological imaging system of Figs. 6A and 6B with a translatable bed
  • Figs. 8 A and 8B show the radiological imaging system of Figs. 6A and 6B accommodating wheel-up patients, according to embodiments of the present invention.
  • reference numeral 1 denotes a radiological imaging system.
  • the radiological imaging system 1 is useful in both the medical and veterinary applications for performing radiological imaging of at least one portion of the internal anatomy of a patient.
  • the radiological imaging system 1 is suitable for performing radiological imaging examinations including, but not limited to, X-rays, CT scans, and fluoroscopy.
  • the imaging system 1 includes a control unit suitable to control the radiological imaging system 1.
  • the system also includes a bed 20 extends along a main direction 20a and having a support surface for the patient.
  • the gantry may have a circular shape as shown in Fig. 1, which is suitable to house at least one portion of the bed 20.
  • the radiological imaging system shown in the embodiment of Fig. 1 includes a load-bearing structure 40 suitable to support the gantry 30.
  • the detector 32 detects radiation when performing at least one of tomography, fluoroscopy, radiography, and multimodality and generates data signals based on the radiation received.
  • at least one detector includes at least one flat panel sensor and/or at least one linear sensor.
  • the flat panel sensor is selectably operable in at least a flat panel mode and a linear sensor mode obtained, for example, by activating one or more pixel rows that are, preferably, substantially perpendicular to the axis of the bore.
  • the sensor in the flat panel mode, the sensor performs at least one of fluoroscopy and tomography, and, in the linear sensor mode, performs at least one of radiography and tomography.
  • the bed can be used with various other imaging devices such as MRI devices.
  • the bed could be designed such that it attaches to an MRI or other imaging device for examination, and then can be detached from the imaging device after the examination. In this way, the patient can remain in the same bed without being moved to a different table or bed for examinations, surgery, or other procedures.
  • the load-bearing structure 40 includes a base 41 suitable to come into contact with the floor and to support the gantry 30.
  • the structure includes a translating component 43 suitable to move the gantry 30 in a sliding direction 43a substantially parallel to the main direction 20a.
  • wheels 45 (Fig. 1), which may be pivoting wheels, suitable to roll on the floor la when moving the radiological imaging system 1.
  • the translating component 43 includes a linear guide 43 b suitable to control the translational motion along the sliding direction 43 a that is substantially parallel to the direction 20a.
  • the translating component 43 may include a carriage 43c suitable to slide along the linear guide 43b.
  • the linear guide 43b is motorized. It has been contemplated that any suitable mechanism can be used to move the gantry 30, either manually or mechanically/automatically.
  • one embodiment of the system 1 includes a rotation device 44 suitable to rotate the gantry 30 about an axis of rotation 44a that is substantially perpendicular to the main direction 20a and, specifically, substantially perpendicular to the floor.
  • the rotational device 44 includes a first plate 44b that is integrally attached to the carriage 43c.
  • the rotation device 44 may also include a second plate 44c integrally attached to the gantry 30.
  • the rotation device 44 may include a rotation component (not shown) that has pins, bearings, or other known mechanical elements suitable to permit the second plate 44c, and thereby the gantry 30, to rotate about the axis of rotation 44a, in relation to the first plate 44b, and therefore to the rest of the radiological imaging system 1.
  • the rotation device 44 also has a control lever 44d, suitable to be held by an operator to control the rotation of the gantry 30 about the axis 44a.
  • a handle or any other type of grip may be used to control the rotation of the gantry 30 about the axis 44a.
  • the rotation component and the control lever 44d permit the gantry 30 to be disposed in at least two configurations.
  • One possible configuration is a working configuration where the gantry 30 is substantially perpendicular to the main direction 20a.
  • Another possible configuration is a rest configuration where the gantry 30 is substantially parallel to the main direction 20a.
  • the rotation component and control lever may also permit the gantry to be in a variety of other positions and angles relative to the bed 20.
  • the cantilever bed 20 includes a table or table top 60 secured to at least one support member or leg 62 that is hinged to a base 64. As shown in FIGS. 2- 4, a surgical table top or mattress 66 may be attached to the top of the table 60.
  • the table 60 is shown to be in a rectangular shape, however, the table may include rounded edges or be in the shape of an oval.
  • the table 60 is secured to slider guides 68 that allow the table 60 to move along the main direction 20a.
  • the slider guides 68 include an outer guide 70 and an inner guide 72 that slides along and extends past the outer guide.
  • the table 60 is directly or indirectly attached to inner guide 72 in order to move in the Z direction, along the main direction 20a, such that the table 60 may move closer to or farther away from the gantry 30.
  • the base 64 of the bed may be attached to the load bearing structure 40.
  • the base 64 of the bed is not attached to the load bearing structure and is instead locked in place.
  • the base includes casters or wheels 80 that may be locked to prevent the bed from moving.
  • the bed 20 includes four wheels, two at the proximal end and two at the distal end. Any number of wheels may be used, for instance three, with two wheels at the distal end and one while at the proximal end.
  • each leg is hingedly attached to a table base attached under the table 60 and the table base includes the slider guides that attached to the table 60.
  • the other ends of the support members or legs 62 are hingedly attached to the base 64. Attaching the legs 62 to the table 60 and the base 64 in this manner allows the table to be raised and lowered.
  • the legs may be attached via screws, bolts, pins, or the like to hinges or other attachment mechanisms on the base 64 and slider guides 68.
  • the bed is in a lowered position, which allows a patient to be placed on the bed. Once on the bed, the patient may be raised on the bed into a suitable position for examination as shown in Fig. 3.
  • the hydraulic pump 84 forces air into the hydraulic cylinder 88 to raise the piston and the height of the bed. In one embodiment, holding the foot pedal 82 down releases air and lowers the bed 20. It has also been contemplated that the bed may be raised or lowered with an electric motor instead of manually with a hydraulic pump. In other embodiments, the bed may be adjusted in any direction using any type of motor, mechanical apparatus, and the like. [0041] As shown in Fig. 2, the bed 20 also includes a slide lock 94 that engages the table 60 and prevents the table from sliding along the slider guides 68. In one embodiment, the slide lock may be an over center lock as shown.
  • Fig. 2 shows the slide lock 94 in an unlocked position allowing the table 60 to slide along the main direction 20a.
  • Fig. 4 shows the slide lock 94 engaged with the table 60 to lock it in place. To engage and disengage the slide lock 94 from the table, an operator simply moves the handle of the slide lock up to lock and down to unlock.
  • the bed 20 may be positioned adjacent to the gantry 30. In other embodiments, the bed 20 may be attached to the load-bearing structure 40.
  • the bed 20 is radiolucent on at least the cantilevered end and is capable of serving as a critical care bed, spine operative bed, orthopedic surgical table, trauma bed or surgical table.
  • the table may include a surgical table top or mattress 100 that is permanently attached to the table or removably attached to the table. Straps or rails may also be attached to the bed 20 in order to secure the patient in place. Any rails may be removable before imaging the patient with imaging device.
  • This invention allows for patients in trauma centers, emergency departments, surgery suites and ICU areas to be transported to and scanned by a high resolution imaging device that may also connect to other devices such as surgical robotic systems and surgical navigation systems, while staying in a single bed.
  • This invention also will allow a facility to own one imaging device to be used for several beds and not require patients to be moved to a separate bed solely used for imaging.
  • the bed 20 may be removed from the imaging device and easily moved to any room of the treatment facility. In this way, a patient on the bed 20 may be transported from an external location, such as a treatment room, trauma room, operating room, or outside of the hospital, to an imaging room so that the bed and be attached to the imaging device.
  • the radiological imaging system 1 is in the rest configuration, that is, with the gantry 30 substantially parallel to the direction 20a.
  • the operator rotates the gantry 30 about the axis of rotation 44a using the control lever 44d so that the radiological imaging system 1 moves into the working configuration where the gantry 30 is substantially perpendicular to the main direction 20a.
  • a patient may be placed on the table 60 (or surgical top 100).
  • the patient may be placed on the bed from an ambulance and wheeled into a hospital or imaging facility from room to room.
  • an operator may raise the bed to a desired height by pumping the foot pedal 84.
  • the patient may then be transported on the bed to the imaging device.
  • the bed 20 including the patient is moved in position such that the bed 20 is adjacent the imaging device.
  • the wheels 80 of the bed may be locked once the bed is in position.
  • the bed may be adjusted towards the left or right of the gantry 30 in order to center the bed in position.
  • the rails 74 of the base 64 will help line the bed up with the load bearing component 40 of the imaging device.
  • the bed 20 may be locked onto the load bearing structure of the imaging device. The operator may then adjust the height of the bed (Y axis). As shown in Fig. 3, the slide lock 94 may be unlocked and the table 60 slid forward along the main direction 20a so that the cantilevered table is at least partially in the analysis zone 30a. Once in proper position, the operator may then engage the slide lock 94 with the table 60 to secure its position as shown in Fig. 4. The operator may adjust the bed along the X, Y, and Z axes to better position the area of interest in the analysis zone 30a. At this point, as shown in Fig.
  • the operator uses the control unit to control the translation of the gantry 30 in the sliding direction 43a until the gantry 30 reaches the analysis zone and performs the radiological imaging of the intended portion of the patient.
  • the bed 20 may be adjusted using controls to give the clinician access to the patient without the gantry or other features of the imaging system 1 interfering. Furthermore, the bed 20 may be easily unlocked or detached from the imaging system and moved to allow the clinician to examine the patient. Still further, once the imaging procedure is complete, the bed may be moved into a surgical room or recovery room without moving the patient to another bed. This is possible because the bed 20 functions as a surgical or treatment bed.
  • the radiological imaging system 1 by virtue of the multipurpose bed 20, can quickly transport patients to from a patient room, to an imaging room, to a surgical room, and to any other room in the facility without having to move the patient into different beds.
  • the bed 20 as described herein is adjustable to better position the patient under the gantry for imaging and also for giving a clinician unfettered access to the patient.
  • Radiological imaging system 61 is shown in Figs. 6A-8B. This system is configured to receive the patient in a plurality of arrangements. Radiological imaging system 61 operates in much the same way that radiological imaging system 1 operates, with the added ability to accommodate the plurality of arrangements. Radiological imaging system 61 includes gantry 630, source 631, detector 632, and analysis zone 630a, which operate in much the same way that gantry 30, source 31, detector 32, and analysis zone 30a respectively operate.
  • the plurality of arrangements include having a stationary bed and a translatable gantry; having a bed with a table top that translates through the analysis zone along a main direction; and accepting the patient in a seating or reclining apparatus including, but not limited to, a stationary chair, a movable chair, or a wheelchair.
  • a bed, seating apparatus, or reclining apparatus may optionally have a radiolucent support to facilitate placement of a body part into the gantry.
  • Fig. 6A shows the front of radiological imaging system 61 in which gantry 630 is translatable forward in direction 620 and backward.
  • Fig. 6B shows static bed 620 on pedestal 662 introduced from the rear of radiological imaging system 61 so as to image a patient lying on the bed.
  • Fig. 7 shows radiological imaging system 61 with translatable bed 720 that operates in a manner similar to that described with respect to Fig. 3.
  • Figs. 8 A and 8B show radiological imaging system 61 accommodating a wheel- up patient 801, who may be wheeled up in, for example, a wheelchair 810, or a bed 820.
  • Fig. 8 A shows patient 801 having a limb imaged, in which case the patient may place the limb in analysis zone 630a, where the limb could be stabilized using straps 852 on radiolucent support 850 to facilitate placement of the limb in the gantry.
  • a head or torso portion could be stabilized on a radiolucent support attached to a bed, seating apparatus or reclining apparatus to facilitate placement of head or torso in the gantry.
  • Fig. 8 A shows patient 801 having a limb imaged, in which case the patient may place the limb in analysis zone 630a, where the limb could be stabilized using straps 852 on radiolucent support 850 to facilitate placement of the limb in the gantry.
  • a head or torso portion could be stabilized on a radio
  • FIG. 8B shows the head and torso of patient 801 being stabilized on radiolucent support 855 attached to bed 820.
  • the arrangements shown in Figs. 8A and 8B may be used, for example, to scan heads or limbs in an Intensive Care Unit (ICU) or trauma unit where a weight bearing support is strapped to the bed and the patient shifts up in the bed onto the support to be imaged in the gantry.
  • ICU Intensive Care Unit
  • trauma unit where a weight bearing support is strapped to the bed and the patient shifts up in the bed onto the support to be imaged in the gantry.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

L'invention concerne un système d'imagerie radiologique comprenant un portique qui définit une zone d'analyse, une source logée à l'intérieur du portique et un détecteur logé à l'intérieur du portique. Une partie d'un patient est placée dans la zone d'analyse. La source émet un rayonnement qui traverse ladite partie du patient; le détecteur reçoit le rayonnement. Le système est conçu pour recevoir le patient en alternance dans au moins deux des agencements suivants : un agencement comprenant un lit fixe et un portique mobile, un agencement comprenant un lit pourvu d'un plateau de table qui se déplace à travers la zone d'analyse le long d'une direction principale et un agencement dans lequel le patient peut être dans un dispositif d'assise ou inclinable.
PCT/US2021/070826 2020-07-06 2021-07-06 Table d'imagerie conférant un meilleur accès à une région d'intérêt d'un patient WO2022011377A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21836972.6A EP4175551A4 (fr) 2020-07-06 2021-07-06 Table d'imagerie conférant un meilleur accès à une région d'intérêt d'un patient

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/921,672 US11712209B2 (en) 2017-06-07 2020-07-06 Imaging table for greater access to patient region of interest
US16/921,672 2020-07-06

Publications (1)

Publication Number Publication Date
WO2022011377A1 true WO2022011377A1 (fr) 2022-01-13

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Application Number Title Priority Date Filing Date
PCT/US2021/070826 WO2022011377A1 (fr) 2020-07-06 2021-07-06 Table d'imagerie conférant un meilleur accès à une région d'intérêt d'un patient

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448607A (en) * 1994-02-08 1995-09-05 Analogic Corporation X-ray tomography system with gantry pivot and translation control
US20100002924A1 (en) * 2008-07-03 2010-01-07 Nucare Medical Systems, Inc. Versatile Single Photon Emission Computed Tomography And Imaging Methods Using The Same
US20180177479A1 (en) * 2016-12-27 2018-06-28 Toshiba Medical Systems Corporation X-ray computed tomography apparatus
US20180353144A1 (en) * 2017-06-07 2018-12-13 Epica International, Inc. Imaging Table For greater Access To Patient Region Of Interest
US10653374B1 (en) * 2017-01-30 2020-05-19 Prescient Imaging, LLC Portable positron emission tomography scanner having a rotatable detector ring which can be rotated 90 degrees for imaging a patient in a vertical or horizontal configuration

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8118488B2 (en) * 2009-01-05 2012-02-21 Mobius Imaging, Llc Mobile medical imaging system and methods
US10987068B2 (en) * 2012-06-14 2021-04-27 Mobius Imaging Llc Multi-directional x-ray imaging system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448607A (en) * 1994-02-08 1995-09-05 Analogic Corporation X-ray tomography system with gantry pivot and translation control
US20100002924A1 (en) * 2008-07-03 2010-01-07 Nucare Medical Systems, Inc. Versatile Single Photon Emission Computed Tomography And Imaging Methods Using The Same
US20180177479A1 (en) * 2016-12-27 2018-06-28 Toshiba Medical Systems Corporation X-ray computed tomography apparatus
US10653374B1 (en) * 2017-01-30 2020-05-19 Prescient Imaging, LLC Portable positron emission tomography scanner having a rotatable detector ring which can be rotated 90 degrees for imaging a patient in a vertical or horizontal configuration
US20180353144A1 (en) * 2017-06-07 2018-12-13 Epica International, Inc. Imaging Table For greater Access To Patient Region Of Interest

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4175551A4 *

Also Published As

Publication number Publication date
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