SE1551132A1 - Head support - Google Patents
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- SE1551132A1 SE1551132A1 SE1551132A SE1551132A SE1551132A1 SE 1551132 A1 SE1551132 A1 SE 1551132A1 SE 1551132 A SE1551132 A SE 1551132A SE 1551132 A SE1551132 A SE 1551132A SE 1551132 A1 SE1551132 A1 SE 1551132A1
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- support cushion
- cushion
- 1eft
- support
- proximal
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- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 230000003068 static effect Effects 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 10
- 210000003484 anatomy Anatomy 0.000 claims description 3
- 241000507564 Aplanes Species 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 55
- 239000000463 material Substances 0.000 description 10
- 230000005670 electromagnetic radiation Effects 0.000 description 6
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical group [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 5
- 238000002595 magnetic resonance imaging Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 210000000613 ear canal Anatomy 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920001652 poly(etherketoneketone) Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
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- 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
-
- 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
- A61B6/0421—Supports, e.g. tables or beds, for the body or parts of the body with immobilising 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
- 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
- A61B5/702—Posture restraints
-
- 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
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/121—Head or neck
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
- A61G13/129—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations having surface parts for adaptation of the size, e.g. for extension or reduction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/065—Rests specially adapted therefor
- A61G7/07—Rests specially adapted therefor for the head or torso, e.g. special back-rests
- A61G7/072—Rests specially adapted therefor for the head or torso, e.g. special back-rests for the head only
-
- 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
- A61B5/704—Tables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2210/00—Devices for specific treatment or diagnosis
- A61G2210/50—Devices for specific treatment or diagnosis for radiography
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Otolaryngology (AREA)
- Neurosurgery (AREA)
- Optics & Photonics (AREA)
- Nursing (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The present invention discloses a head support, in particular for use in medical radiological applications. The present head support comprises a proximal lower support cushion (20), a left support cushion (80a), a left fastening mechanism (81a), a left proximal operating handle (82a), a right support cushion (80b), a right fastening mechanism (81b), a right proximal operating handle (82b). The head support exists in a state combination being any combination of states selected from the group of states consisting of a left free moving state, in which the left support cushion (80a) is pivotally movable relative the proximal lower support cushion (20) in a plane essentially perpendicular to the central axis of the left fastening mechanism (81a) in all directions from the left side direction to the upper side direction, a right free moving state, in which the right support cushion (80b) is pivotally movable relative the proximal lower support cushion (20) in a plane essentially perpendicular to the central axis of the right fastening mechanism (81b) in all directions from the left side direction to the upper side direction, a left locked state, in which the left support cushion (80a) and the proximal lower support cushion (20) resides in a locked spatial relationship relative each other, and a right locked state, in which the right support cushion (80b) and the proximal lower support cushion (20) resides in a locked spatial relationship relative each other.To be published with Fig. 1.
Description
HEAD SUPPORT TECHNICAL FIELDThe present invention relates to a head support, more particular for use in medical radiological applications.
BACKGROUND Non-surgical visualization and examination of the inside of a patient°s body iscommonly done by various scanning procedures, which are based on the absorption and/oremission of electromagnetic radiation. Such scanning procedures may typically be conductedby employment of e. g. a CT- or MRI scanning device. In order to obtain raw data of highquality, it is of importance that the bodily part which is scanned is kept still during theprocedure. It is particularly important to keep the head of a patient still during scanning due tothe medically relatively high importance of the related potential condition warranting thescanning. Various diseases, conditions and damages to the head and CNS require a prompt andcorrect diagnosis, often heavily relying on CT and/ or MRI, in order to provide the correcttreatment and to ameliorate the often life-threatening state the patient may reside in. Hence, itis of great importance to find means whereby a patient' s head can be kept still, preferably withminimal discomfort, during e. g. CT- and MRI scanning.
Head rests of different sizes and forms are available to provide support for thepatient°s head during scanning. These are typically non-adjustable, or adjustable only to alimited degree, and laid or mounted on/to the table onto which the patient is placed lying on theback during the scanning. After scanning of a patient, such a head rest will often have to bereplaced by a different head rest to better suit the need during the scanning of the subsequentpatient. The subsequent patient may, for example, have a different head size as compared to theforegoing, whereby the replacement of head rest may be warranted to achieve optimalconditions during the scanning procedure of the subsequent patient. Disadvantages of thisprocedure, of which the necessity is inherently related to the configuration of today°scommonly used head rests, include e. g. the time period needed for its execution. The sum of allsuch time periods have to be withdrawn from the theoretically available time the respectivemachine could be used for scanning, resulting in a non-optimal use of the machine andextended waiting periods for patients scheduled for scanning.
WO0l7648l A2 describes a radiolucent table extension assembly comprising skullpins positioned by operating knobs in order to support the skull. Disadvantages of thisassembly include e. g. the relatively high discomfort a conscious patient may experience due tothe pressing skull pins.
US5596780A describes a headrest including two, tapered, elongated lobes rigidly spaced apart in a V- shape configuration which allows one headrest to fit many different size heads. Disadvantages of this headrest include e. g. its inherent wedging effect, whereby theheadrest and the head can only be dissembled from each other by a jerking action, which may present a medical hazard.
In view of at least above mentioned disadvantages, improved head rests for use in medical radiological applications are needed.
SUMMARY It is an object of the invention, considering the disadvantages mentioned above, toprovide an improved head rest that can be easily adjusted by a user to accommodate heads ofdifferent sizes and anatomy.
It is another objective of the invention, to provide a head rest that is comfortable for the patient.
These and other objects, which will appear from the following description, have nowbeen achieved by a head support for minimization of movement of a patient' s head of a patientduring radiological examination, treatment or scanning, comprising a proximal lower supportcushion, a left support cushion, a left fastening mechanism, a left proximal operating handle, a right support cushion, a right fastening mechanism, a right proximal operating handle, whereinthe head support exists in a state combination being any combination of states selected from the group of states consisting of a left free moving state, in which the left support cushion ispivotally movable relative the proximal lower support cushion in a plane essentiallyperpendicular to the central axis of the left fastening mechanism in all directions from the leftside direction to the upper side direction, a right free moving state, in which the right supportcushion is pivotally movable relative the proximal lower support cushion in a plane essentiallyperpendicular to the central axis of the right fastening mechanism in all directions from the leftside direction to the upper side direction, a left locked state, in which the left support cushionand the proximal lower support cushion resides in a locked spatial relationship relative eachother, and a right locked state, in which the right support cushion and the proximal lowersupport cushion resides in a locked spatial relationship relative each other; transition from theleft free moving state to the left locked state is caused by user induced rotation of the leftproximal operating handle to or past a point of extension in a plane essentially perpendicularto the central axis of the left fastening mechanism in an interval of directions from the left sidedirection to the upper side direction or from the upper side direction to the left side direction;transition from the right free moving state to the right locked state is caused by user inducedrotation of the right proximal operating handle to or past a point of extension in a plane essentially perpendicular to the central axis of the right fastening mechanism in an interval of directions from the left side direction to the upper side direction or from the upper sidedirection to the left side direction; and the proximal lower support cushion, the left supportcushion, the left fastening mechanism, the right support cushion, and the right fasteningmechanism are essentially translucent to the effective electromagnetic radiation employed or measured during the radiological examination, treatment or scanning.
Further features of the invention and its embodiments are set forth in the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS These and other aspects, features and advantages of which the invention is capablewill be apparent and elucidated from the following description of non-limiting embodiments,reference being made to the accompanying drawings, in which Fig. 1 shows a head rest of the invention comprising a proximal lower support cushion20, a distal lower support cushion 40, a left passage 83a, a right passage 83b, a left supportcushion extension 84a, a right support cushion extension 84b, a left distal operating handle 22aconnected to a central fastening mechanism 21, and a table mounting member 60, in whichhead rest a patient 7 is placed along an axis in the proximal direction 1 and in the distaldirection 2 so that the patient°s head 8 is held in a steady position by collaborative pressing atthe sides of the lower part in the lower side direction 5 of the patient°s head 8 by a left supportcushion 80a, being in a left locked state due to a locking action as ruled by a left fasteningmechanism 8 la controlled by a left proximal operating handle 82a pointing in the upper sidedirection 6 and slightly in the left side direction 4, and a right support cushion 80b, being heldin place by the hand of a user (not shown) via the right support cushion extension 84b whilesimultaneously being in a right free moving state due to the non-locking action as ruled by aright fastening mechanism 8 lb (not shown) controlled by a right proximal operating handle82b being in the horizontal plane and pointing in the right side direction 3, according to oneembodiment; Fig. 2 is a view from the right side of a head rest of the invention, showing the tablemounting member 60 ready to assemble by docking with an inclination of the edge of a table70 by distal movement, a right proximal operating handle 82 in a horizontal distally pointingdirection whereby the proximal lower support cushion 20 and the distal lower support cushion40 is set in a non-static state relative each other to permit pivoting around the central axis of thecentral fastening mechanism 21, the right proximal operating handle 82b in an upwardspointing direction whereby a right locked state is achieved and pivoting of the right supportcushion 80b relative the proximal lower support cushion 20 around the central axis of the rightfastening mechanism 81b is prevented, a relatively small patient°s head 8 (A) and a relativelylarge patient°s head 8 (B), for which both the major part of the ear, including the entrance of the ear canal, is visible through the right passage 83b, according to one embodiment; Fig. 3 is a view from the proximal end of the right side of a head rest of the invention,showing the right support cushion 80b in a horizontal right side pointing direction (B) and in amore upwards pointing direction (A), that may be achieved by the application of a light forceof the user on e. g. the right support cushion extension 84b, when in the right free moving state,to accomplish a pivoting movement around the central axis of the right fastening mechanism8lb to such a degree that a weak pressure is applied onto the side of a patient°s head (8) beingrelatively small (A) or relatively large (B), according to one embodiment; Fig. 4 is a demounted view of an example of a fastening mechanism 90, of which theprinciples for achievement of a free moving state, i.e. a non-static state, and a locked state, i.e.a static state, may be utilized for the achievement of the desired function of the centralfastening mechanism 21, the left fastening mechanism 8 la and the right fastening mechanism8lb, comprising a first support element 91, a first support element protrusion 92, a secondsupport element 93, a second support element protrusion 94, a rod 95 with a protruding heel96, a handle 97, a screw 98 and a nut 99, according to one embodiment; and Fig. 5 is a view from the right side of an example of the right fastening mechanism8lb in a mounted state, showing the right support cushion 80b and the right proximal operatinghandle 82b in upward pointing positions, the heel 96 residing within a surrounding open heelreceiving section 102 thereby permitting a rotation of about 90 ° of the right proximaloperating handle 82b, the rod 95, which is transmitting a constricting force along its centralaxis when the right fastening mechanism 8lb is in the right locked state, and a plurality ofintersecting elements 100, each mechanically connected to and in a spatial constantrelationship with one of the right support cushion 80b and the proximal lower support cushion20, according to one embodiment.
Fig. 6 is a view of an example of the right fastening mechanism 8lb in a mountedright free moving state, showing the right support cushion 80b and the right proximal operatinghandle 82b being directed right in the horizontal plane, two interrnediate elements 101 suitablefor mounting to e. g. a proximal lower support cushion 20, according to one embodiment; Fig. 7 is a view of the right fastening mechanism 8lb of Fig. 6 in a de-mounted state,showing a plurality of intersecting elements 100, each mechanically connected to and in aspatial constant relationship with one of the right support cushion 80b and the interrnediateelements 101 in the corresponding mounted state, free intersecting elements 103, which are notin a spatial constant relationship with either of the right support cushion 80b and theintermediate elements 101 in the corresponding mounted and right free moving state, a heel 96extending in a distal-proximal direction on the outer surface of the rod 95, and screws 98 formounting to the distal and proximal ends of rod 95, according to one embodiment; Fig. 8 is a view of the left distal comer of the right fastening mechanism 8lb of Fig. 6in a de-mounted state, showing locking grooves 104 of the rod 95 and on the inner surface ofthe most distal intersecting element 100, which locking groves 104 are adapted to provide aconstant spatial relationship between the rod 95 and the most distal intersecting element 100 upon mounting of the former in the latter, according to one embodiment; Fig. 9 is a view of the left proXimal corner of the right fastening mechanism 81b ofFig. 6 in a de-mounted state, showing locking grooves 104 of the rod 95 and on the innersurface of the most proXimal intersecting element 100, which locking groves 104 are adaptedto provide a constant spatial relationship between the rod 95 and the most proXimal intersectingelement 100 upon mounting of the former in the latter, and an open heel receiving section 102on the inner surface of the most proXimal free intersecting element 103 connected to the rightproximal operating handle 82b, which open heel receiving section 102 is adapted to contain theheel 96 in its open Volume to perrnit a partial pivoting movement of the right proXimaloperating handle 82b relative the rod 95, according to one embodiment; andFig. 10 is a another view of the left proXimal corner of the right fastening mechanism 81b of Fig. 6 in a de-mounted state, showing the most proXimal intersecting element 100having a distal planar end surface which is essentially perpendicular to the central axis of therod 95 and a proXimal planar end surface with an angle relative a plane perpendicular to thecentral aXis of the rod 95, and the most proXimal free intersecting element 103 having a distalplanar end surface with an angle relative a plane perpendicular to the central aXis of the rod 95and adapted to cooperate with the leaning proXimal planar end surface of the most proXimalintersecting element 100 to provide a constricting force along the central aXis of the rod 95upon tuming of the right proXimal operating handle 82 in the transition from a right free moving state to a right locked state, according to one embodiment.
DETAILED DESCRIPTION Embodiments of the present invention will be described in more detail below withreference to the accompanying drawings (Figs. 1 to 10) in order for those skilled in the art to beable to carry out the invention. The invention may, however, be embodied in many differentforms and should not be construed as limited to the embodiments set forth herein. Rather, theseembodiments are provided so that this disclosure will be thorough and complete, and will fullyconvey the scope of the invention to those skilled in the art. The embodiments do not limit theinvention, but the invention is only limited by the appended patent claims. Furthermore, theterrninology used in the detailed description of the particular embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention.
The present head support enables an advantageous combination of restriction of themobility of a patient°s head 8 during e. g. CT- or MRI scanning with minimal discomfort to thepatient 7, facile adjustment by a user, e. g. a nurse or a doctor, and minimization of the time-span needed for preparation of the scanning machine for the next coming patient to beexamined by employment of the same machine. The head support essentially comprise aproXimal lower support cushion 20, a left support cushion 80a, a left fastening mechanism 81a,a left proximal operating handle 82a, a right support cushion 80b, a right fastening mechanism81b, and a right proXimal operating handle 82b. All parts of the head support which are located in the effective transmission or sensing space during the scanning, and thus may have anegative impact on the results of the scanning, are preferably made of suitable materials whichare practically translucent to the effective electromagnetic radiation employed or measuredduring the radiological examination. Such materials are well known in the art and may bedifferent depending on the type of examination which is carried out, e. g. CT-scanning or MRI-scanning, as understood by the skilled person.
The proximal lower support cushion 20, the left support cushion 80a, and the rightsupport cushion 80b may each comprise a mechanically rigid sheet formed frame, onto which,on the side facing the patient 7 or the patient°s head 8, is mounted a soft cushion like materialadapted to distribute pressure and, to a suitable degree, adapt its shape in accordance with thecontacting parts of the patient 7 or the patient°s head 8. Examples of materials suitable forconstruction of such mechanically rigid sheet formed frames and other parts of the headsupport, for application in e.g. CT-scanning, include but are not limited to suitable carbonfiberarmed polymers, PEEK (Polyether ether ketone), PEKK (Polyether ketone ketone ) and thelike. Advantages of such materials include e. g. suitable mechanical properties in combinationwith high chemical resistance versus e. g. ethanol and other compositions commonly used tosterilize medical devices. Examples of materials suitable for construction of such soft cushionlike materials, for application in e. g. CT- scanning, include but are not limited to PUR(Polyurethane) and viscoelastic materials with polyurethane multi-stretch fabric that has an air-perrneable liquid-barrier cover and the like.
The present head support may exist in a state combination being a combination ofstates of different parts of the head support. In a left free moving state, the left support cushion80a may be pivotally movable relative the proximal lower support cushion 20 in a planeessentially perpendicular to the central axis of the left fastening mechanism 8la, in alldirections from the left side direction to the upper side direction. In a right free moving state,the right support cushion 80b may be pivotally movable relative the proximal lower supportcushion 20 in a plane essentially perpendicular to the central axis of the right fasteningmechanism 8lb, in all directions from the left side direction to the upper side direction. In a leftlocked state, the left support cushion 80a and the proximal lower support cushion 20 reside in alocked spatial relationship relative each other. In a right locked state, the right support cushion80b and the proximal lower support cushion 20 reside in a locked spatial relationship relativeeach other. transition from said left free moving state to said left locked state is caused by userinduced rotation of said left proximal operating handle (82a) to or past a point of extension in aplane essentially perpendicular to the central axis of said left fastening mechanism (8la) in aninterval of directions from the left side direction to the upper side direction or from the upperside direction to the left side direction. Transition from the right free moving state to the rightlocked state may be caused by user induced rotation of the right proximal operating handle 82bto or past a point of extension in a plane essentially perpendicular to the central axis of the rightfastening mechanism 8lb, in an interval of directions from the left side direction to the upper side direction or from the upper side direction to the left side direction. Transition from the left free moving state to the left locked state may be caused by user induced rotation of the leftproximal operating handle 82a to or past a point of extension in a plane essentiallyperpendicular to the central aXis of the right fastening mechanism 81a, in an interval ofdirections from the right side direction to the upper side direction or from the upper sidedirection to the right side direction.
Suitable fastening mechanisms for the provision of user controlled transition from oneto the corresponding of the left free moving state, the left locked state, the right free movingstate, the right locked state, the non-static state and the static state include e.g. friction basedfastening mechanisms that are manually controlled via handles, e. g. a left distal operatinghandle 22a, a right distal operating handle 22b and a left or right proximal operating handle82b. Such a suitable fastening mechanism is eXemplified in Figs. 6 to 10 and explained infurther detail herein below: The central rod 95 is mechanically attached to and brought in a constant spatialrelationship with the distal intermediate element 101 via the thereto attached distal intersectingelement 100, by employment of engaging locking grooves 104 in combination with a distalfastening screw 99. The proXimal intersecting element 100 is hindered from rotation around thecentral aXis of rod 95 and relative the same by analogously engaging locking grooves 104, butmay be moved slightly along this aXis upon the action of an applied force. The proximal freeintersecting element 103, which is directly connected to the right proXimal operating handle82b, is rotatable relative the rod 95 within limits as defined by the open heel receiving section102. The heel 96 of the rod 95 will prevent further rotation of the proXimal free intersectingelement 103, and thereby also of the right proximal operating handle 82b, when the heel 96reaches the end of the open space of the open heel receiving section 102. Due to the interactionbetween two opposing and with each other directly contacting planar surfaces, which have anangle relative a plane perpendicular to the extension of rod 95, i.e. are leaning, a constrictingforce is built up upon rotation of one of the objects having such a planar surface. When theright proXimal operating handle 82b is rotated from the horizontal plane towards a verticalposition, the related leaning surface of the free intersecting element 103 is rotated relative theopposing leaning surface of the distal intersecting element 100, whereby these elements areforced away from each other. The force is transferred to all adjacent distal elements, wherebythese are compressed and prevented from rotation relative each other by increased friction. Aplurality of intersecting elements 100 and free intersecting element 103, as eXemplified herein,may provide an effective friction relating fastening mechanism which is relatively independentof the angle between e. g. the right support cushion 80b and the proXimal lower support cushion20 or other analogous parts.
A user may typically carry out the following sequence of events in order to prepare apatient 7 for scanning by employment of the present head support: (i) The user prepares the head support by setting the left support cushion 80a and theright support cushion 80b in the left free moving state and the right free moving state, respectively, by rotating the left distal operating handle 22a and the right distal operating handle 22b, respectively, relative the central axis of the left fastening mechanism 8la and theright fastening mechanism 8lb, respectively. The left support cushion 80a and the right supportcushion 80b may then spontaneously pivot to point towards the left and the right direction,respectively, or may easily be moved in these directions by a gentle force. (ii) The patient 7 is placed onto the head support such that the backside of the patient°shead is brought in contact with the upper side of the proximal lower support cushion 20. (iii) The user moves the left support cushion 80a and the right support cushion 80b, bya pivoting movement, to contact each side of the patient°s head 8 with a suitable force to keepthe head still but not to cause any substantial discomfort. (iv) The user sets the left support cushion 80a and the right support cushion 80b in theleft locked state and the right locked state, respectively, by rotating the left distal operatinghandle 22a and the right distal operating handle 22b, respectively, relative the central axis ofthe left fastening mechanism 8 la and the right fastening mechanism 8 lb, respectively, in theopposite direction as compared to the corresponding setting in the left free moving state andthe right free moving state in step (i) above.
According to one embodiment, the head support may comprise a table mountingmember 60 for detachable attachment to a table 70, e. g. a table 70 being adapted to providesupport of the major part of the body of said patient 7 during the radiological examination,treatment or scanning. For example, the table 70 may be equivalent to the couch beingsubmitted as an integral part of the commercial equipment which is used to carry out thescanning. The table mounting member 60 may be mounted to the table 70 by means ofscrewing, gluing, resilient locking or any other suitable means as known in the art.
According to one embodiment, the table mounting member 60 may be extending fromthe distal end of the head support and adapted to be mounted in the space of an inclination atthe edge of the table 70, to form a structurally stable unit in which the head support isproviding support for the upper part of the patient 7.
According to one embodiment, one or both of the left support cushion 80a and theright support cushion 80b may be provided with a left passage 83a and/or a right passage 83b,respectively. Each or one of such passages may have a distal half center being located lower ascompared to its proximal half center when the left support cushion 80a and/or the right supportcushion 80b are in the left locked state and the right locked state, respectively, and thustogether provide support for the patient°s head. Such one or several passages advantageouslyallow a user to visually identify the entrance of the ear canal of said patient 7, substantiallyindependent of the patient°s head°s 8 anatomy, which may facilitate the calibration of thesubsequent scanning and/or the correct placement of the patient' s head 8.
According to one embodiment, one or preferably both of the left support cushion 80aand the right support cushion 80b may be provided with a left support cushion extension 84aand with a right support cushion extension 84b, respectively. Such extensions may beextending in the proximal direction. Such extensions advantageously facilitate the manual adjustment of the left support cushion 80a and/or the right support cushion 80b, when being in the left free moving state and/or the right free moving state, respectively, by a user placedproXimal relative the patient°s head 8. The user, e. g. nurse or doctor, may thus advantageouslyadjust the left support cushion 80a and/or the right support cushion 80b with minimal tactileand visual interference with the patient 7, which minimizes the patient°s 7 potential anXiety.
According to one embodiment, the head support may comprise a distal lower supportcushion 40. The distal lower support cushion 40 may be statically or adjustably attached to thedistal end of the proXimal lower support cushion 20. It may be adapted to provide support forone or several of the neck, the lower part of the neck and the upper part of the back of thepatient 7. It may be constructed of materials being same as the materials of the proXimal lowersupport cushion 20 to accomplish desired translucency to the effective electromagneticradiation employed or measured during the radiological examination, and/or to yield a smooth,comfortable and pressure equalizing interaction with the patient 7. In various applications, inwhich its placement entails minimal interaction with the employed effective electromagneticradiation, it may be constructed of materials being non-translucent or only partly translucent tothe effective electromagnetic radiation. Such a distal lower support cushion 40 providesadditional mechanical support of bodily parts in immediate connection to the patient°s head 8,whereby the latter is advantageously held more steadily in comparison to a head supportwithout a distal lower support cushion 40.
According to one embodiment, the distal lower support cushion 40 may be staticallyattached to the distal end of the proXimal lower support cushion 20. The angle between theplane of the distal lower support cushion 40 and the plane of the proXimal lower supportcushion 20 may be in the range of 0 to 45°, preferably 5 to 40°, and more preferred 5 to 30°.Such angles advantageously provide a comfortable positioning of the patient 8.
According to one embodiment, the distal lower support cushion 40 may be adjustablyattached to the distal end of the proXimal lower support cushion 20. This may be accomplishedby the integration of the head support with a central fastening mechanism 2l. The centralfastening mechanism 2l may be constructed and operated in accordance with the functionalprinciples of other fastening mechanisms described herein, such as e. g. the fasteningmechanism 90, the left fastening mechanism 8 la and/or the right fastening mechanism 8 lb.Hence, the central fastening mechanism 2l may be mechanically connected to and operated byone or both of a left distal operating handle 22a and a right distal operating handle 22b.Integration of such a central fastening mechanism 2l confers advantageous adjustability to theangle between the plane of the distal lower support cushion 40 and the plane of the proXimallower support cushion 20, whereby such a patient 7 related optimal angle can be set.Depending on the user induced setting of the one or both of a left distal operating handle 22aand a right distal operating handle 22b, the spatial relationship between the distal lower supportcushion 40 and the proXimal lower support cushion 20 may be either a non-static state or astatic state. In the non-static state, the proXimal lower support cushion 20 is pivotally movablerelative the distal lower support cushion 40 in a plane essentially perpendicular to the central aXis of the central fastening mechanism 2l, in all directions from the proximal direction to the upper side direction. In the static state, the proXimal lower support cushion 20 and the distallower support cushion 40 resides in a locked spatial relationship relative each other. Transitionfrom the non- static state to the static state may be caused by user induced rotation of either ofthe left distal operating handle 22a and the right distal operating handle 22b, to or past a pointof extension in a plane essentially perpendicular to the central aXis of the central fasteningmechanism 21 in an interval of directions from the distal direction to the upper side direction,or from the upper side direction to the distal direction.
According to one embodiment, one or preferably both of the left distal operatinghandle 22a and the right distal operating handle 22b may be directed in essentially thehorizontal plane in the non-static state. Hence, in the non-static state, both of the left distaloperating handle 22a and the right distal operating handle 22b may be directed in either thedistal direction or in the proXimal direction.
According to one embodiment, one or preferably both of the left distal operatinghandle 22a and the right distal operating handle 22b may be directed, at least partly, in avertical position in the non-static state. Hence, in the non-static state, both of the left distaloperating handle 22a and the right distal operating handle 22b may be directed, at least partly,upWards.
According to one embodiment, both of the left proximal operating handle 82a and theright proXimal operating handle 82b may be directed in essentially the horizontal plane in theleft- and right free moving state, respectively. Hence, in the left- and right free moving state,both of the left proXimal operating handle 82a and the right proXimal operating handle 82b maybe directed in the left direction and in the right direction, respectively.
According to one embodiment, the left proXimal operating handle 82a may be directedin essentially the left direction in the left free moving state, and the right proximal operatinghandle 82b may directed in essentially the right direction in the right free moving state.
According to one embodiment, both of the left proximal operating handle 82a and theright proximal operating handle 82b may be directed, at least partly, in a vertical position in theleft- and right free moving states, respectively. Hence, in the left- and right free moving states,both of the left proXimal operating handle 82a and the right proXimal operating handle 82b maybe directed, at least partly, upWards.
According to one embodiment, both of the left proximal operating handle 82a and theright proXimal operating handle 82b may be directed essentially horizontally in the left- andright free moving states, respectively. In the left- and right locked states, both of the leftproximal operating handle 82a and the right proXimal operating handle 82b may be directedupWards at an angle, such as e.g. 10 to 90 ° or 15 to 50 ° or 20 to 45 °, relative the horizontalplane.
According to one embodiment, both of the left proximal operating handle 82a and theright proXimal operating handle 82b may be directed essentially horizontally in the left- andright free moving states, respectively. In the left- and right locked states, both of the leftproximal operating handle 82a and the right proXimal operating handle 82b may be directed ll upwards at an angle, such as e.g. 10 to 90 ° or 15 to 50 ° or 20 to 45 °, relative the horizontalplane. One or both of a left distal operating handle 22a and a right distal operating handle 22bmay be directed essentially horizontally in the static state and upwards at an angle, such as e. g.10 to 90 ° or 15 to 50 ° or 20 to 45 °, relative the horizontal plane, in the non-static state.
According to one embodiment, both of the left proximal operating handle 82a and theright proXimal operating handle 82b may be directed essentially horizontally in the left- andright free moving states, respectively. In the left- and right locked states, both of the leftproximal operating handle 82a and the right proXimal operating handle 82b may be directedupwards at an angle, such as e.g. 10 to 90 ° or 15 to 50 ° or 20 to 45 °, relative the horizontalplane. One or both of a left distal operating handle 22a and a right distal operating handle 22bmay be directed essentially horizontally in the non-static state and upwards at an angle, such ase.g. 10 to 90 ° or 15 to 50 ° or 20 to 45 °, relative the horizontal plane, in the static state.
According to one embodiment, the other surface of all parts of the head support maybe of a non-porous and easily sterilized, e. g. with ethanol, material. The head support may thusadvantageously be sterilized to minimize the risk of inter-patient spreading of hazardous micro-organisms.
According to one embodiment, the height of the distal lower support cushion 40 fromthe underlying surface may be 5 to 15 cm, such as 10 to 12 cm or 10 cm.
According to one embodiment, the length of the proXimal lower support cushion 20 ina proXimal-distal direction may be 15 to 30 cm, such as 18 to 25 cm or 22 cm.
According to one embodiment, the width of the proXimal lower support cushion 20 in a left-right direction may be 12 to 30 cm, such as 18 to 22 cm or 20 cm.
In the claims, the term “comprises/comprising” does not eXclude the presence of otherelements or steps. Additionally, although individual features may be included in differentclaims, these may possibly advantageously be combined, and the inclusion in different claimsdoes not imply that a combination of features is not feasible and/or advantageous. In addition, LL 77 LL singular references do not eXclude a plurality. The terms a , an", “first”, “second” etc do notpreclude a plurality. Reference signs in the claims are provided merely as a clarifying example and shall not be construed as limiting the scope of the claims in any way.
Claims (10)
1. Head support for minimization of movement of a patient°s head (8) of a patient (7) duringradio1ogica1 examination, treatment or scanning, comprising a proxima1 1oWer support cushion(20), a 1eft support cushion (80a), a 1eft fastening mechanism (81a), a 1eft proxima1 operatinghandle (82a), a right support cushion (80b), a right fastening mechanism (81b), a rightproxima1 operating hand1e (82b), Wherein said head support exists in a state combination being any combination of states se1ected fromthe group of states consisting of a 1eft free moving state, in Which said 1eft support cushion(80a) is pivota11y movab1e re1ative said proxima1 1oWer support cushion (20) in a p1aneessentia11y perpendicu1ar to the centra1 axis of said 1eft fastening mechanism (81a) in a11directions from the 1eft side direction to the upper side direction, a right free moving state, inWhich said right support cushion (80b) is pivota11y movab1e re1ative said proxima1 1oWersupport cushion (20) in a p1ane essentia11y perpendicu1ar to the centra1 axis of said rightfastening mechanism (81b) in a11 directions from the 1eft side direction to the upper sidedirection, a1eft1ocked state, in Which said 1eft support cushion (80a) and said proxima1 1oWersupport cushion (20) resides in a 1ocked spatia1 re1ationship re1ative each other, and a right1ocked state, in Which said right support cushion (80b) and said proxima1 1oWer supportcushion (20) resides in a 1ocked spatia1 re1ationship re1ative each other; transition from said 1eft free moving state to said 1eft1ocked state is caused by user inducedrotation of said 1eft proxima1 operating hand1e (82a) to or past a point of extension in a p1aneessentia11y perpendicu1ar to the centra1 axis of said 1eft fastening mechanism (81a) in aninterva1 of directions from the 1eft side direction to the upper side direction or from the upperside direction to the 1eft side direction; transition from said right free moving state to said right 1ocked state is caused by user inducedrotation of said right proxima1 operating hand1e (82b) to or past a point of extension in a p1aneessentia11y perpendicu1ar to the centra1 axis of said right fastening mechanism (81b) in aninterva1 of directions from the 1eft side direction to the upper side direction or from the upperside direction to the 1eft side direction; and said proxima1 1oWer support cushion (20), said 1eft support cushion (80a), said 1eft fasteningmechanism (81a), said right support cushion (80b), and said right fastening mechanism (81b)are essentia11y trans1ucent to the effective e1ectromagnetic radiation emp1oyed or measured during said radio1ogica1 examination, treatment or scanning. 13
2. Head support according to c1aim 1, further comprising a table mounting member (60) fordetachab1e attachment of said head support to a table (70), Which tab1e (70) is adapted toprovide support of the major part of the body of said patient (7) during said radio1ogica1 examination, treatment or scanning.
3. Head support according to c1aim 2, Wherein said tab1e mounting member (60) is extendingfrom the dista1 end of said head support and adapted to be mounted in the space of aninc1ination at the edge of said tab1e (70) to form a structura11y stab1e unit in Which said head support is providing support for the upper part of said patient (7).
4. Head support according to any one of the preceding c1aims, Wherein each one of said 1eftsupport cushion (80a) and said right support cushion (80b) are provided With a 1eft passage anda right passage, respective1y, adapted to a11oW a user to visua11y identify the entrance of the earcana1 of said patient (7) substantia11y independent of the patient°s head°s (8) anatomy byhaving a dista1 ha1f center being 1ocated 1oWer as compared to its proxima1 ha1f center Whensaid 1eft support cushion (80a) and said right support cushion (80b) are in said 1eft 1ocked state and said right 1ocked state, respective1y, and together providing support for said patient' s head(8)-
5. Head support according to any one of the preceding c1aims, Wherein each one of said 1eftsupport cushion (80a) and said right support cushion (80b) are provided With a 1eft supportcushion extension (84a) and a right support cushion extension (84b), respective1y, eachextending in a proxima1 direction, to faci1itate the manua1 adjustment of said 1eft supportcushion (80a) or said right support cushion (80b), When in said 1eft free moving state or said right free moving state, respective1y, from a p1acement proxima1 of said patient' s head (8).
6. Head support according to any one of the preceding c1aims, further comprising a dista1 1oWersupport cushion (40) being statica11y or adjustab1y attached to the dista1 end of said proxima11oWer support cushion (20) and adapted to provide support for the neck, the 1oWer part of the neck or the upper part of the back of said patient (7).
7. Head support according to c1aim 6, Wherein said dista1 1oWer support cushion (40) is beingstatica11y attached to the dista1 end of said proxima1 1oWer support cushion (20), and the ang1ebetween the p1ane of said dista1 1oWer support cushion (40) and the p1ane of said proxima1 1oWer support cushion (20) is in the range of 0 to 45°. 14
8. Head support according to claim 6, further comprising a central fastening mechanism (21)and one or both of a left distal operating handle (22a) and a right distal operating handle (22b),wherein said distal lower support cushion (40) is being adjustably attached to the distal end of saidproXimal lower support cushion (20); the spatial relationship between said distal lower support cushion (40) and said proXimal lowersupport cushion (20) may be either a non-static state, in which state said proXimal lowersupport cushion (20) is pivotally movable relative said distal lower support cushion (40) in aplane essentially perpendicular to the central aXis of said central fastening mechanism (21) inall directions from the proXimal direction to the upper side direction, or a static state, in whichstate said proXimal lower support cushion (20) and said distal lower support cushion (40)resides in a locked spatial relationship relative each other; and transition from said non-static state to said static state is caused by user induced rotation ofeither of said left distal operating handle (22a) and a right distal operating handle (22b) to orpast a point of extension in a plane essentially perpendicular to the central axis of said centralfastening mechanism (21) in an interval of directions from the distal direction to the upper side direction or from the upper side direction to the distal direction.
9. Head support according to claim 8, wherein said left distal operating handle (22a) or saidright distal operating handle (22b) is directed in essentially the distal direction or the proximal direction in said non-static state.
10. Head support according to any one of the preceding claims, wherein said left proXimaloperating handle (82a) is directed in essentially the left direction in said left free moving state,and said right proXimal operating handle (82b) is directed in essentially the right direction in said right free moving state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1551132A SE1551132A1 (en) | 2015-09-04 | 2015-09-04 | Head support |
| PCT/SE2016/050825 WO2017039522A1 (en) | 2015-09-04 | 2016-09-01 | Head support for use in medical radiological applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1551132A SE1551132A1 (en) | 2015-09-04 | 2015-09-04 | Head support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE1551132A1 true SE1551132A1 (en) | 2017-03-05 |
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ID=58188283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1551132A SE1551132A1 (en) | 2015-09-04 | 2015-09-04 | Head support |
Country Status (2)
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|---|---|
| SE (1) | SE1551132A1 (en) |
| WO (1) | WO2017039522A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10561370B2 (en) * | 2017-04-26 | 2020-02-18 | Accalrent, Inc. | Apparatus to secure field generating device to chair |
| WO2020106402A1 (en) * | 2018-11-19 | 2020-05-28 | Dedicated2Imaging, Llc. | Patient support mechanism for a portable medical scanner |
| US20240156422A1 (en) * | 2022-11-10 | 2024-05-16 | GE Precision Healthcare LLC | Methods and systems for a cradle interface pad |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034748A (en) * | 1975-10-28 | 1977-07-12 | Winner Stephen E | Spinal restraint device |
| US4571757A (en) * | 1984-07-10 | 1986-02-25 | Zolecki Donald L | Head restraining device for cervical support brace |
| US6076208A (en) * | 1997-07-14 | 2000-06-20 | Hill-Rom, Inc. | Surgical stretcher |
| US6813788B2 (en) * | 2000-04-06 | 2004-11-09 | Schaerer Mayfield Usa, Inc. | Variable length radiolucent surgical table extension |
| US6637057B2 (en) * | 2000-12-19 | 2003-10-28 | Laerdal Medical Corporation | Head immobilizer |
| CA2442724C (en) * | 2001-03-29 | 2009-04-07 | Kci Licensing, Inc. | Prone positioning therapeutic bed |
| US7036167B2 (en) * | 2002-02-26 | 2006-05-02 | Brian Tomcany | Patient immobilization device |
| ITRM20040077A1 (en) * | 2004-02-12 | 2004-05-12 | Nts Nuove Tecnologie Sanitarie | SPINAL TABLE WITH INTEGRATED HEADBAND. |
| US7360264B2 (en) * | 2005-04-11 | 2008-04-22 | Brian Tomcany | Patient immobilization device with diagnostic capabilities |
| US20150209209A1 (en) * | 2012-08-06 | 2015-07-30 | Prometheus Medical Innovations Llc | Head stabilizer for medical device(s) including an endotracheal tube |
-
2015
- 2015-09-04 SE SE1551132A patent/SE1551132A1/en not_active Application Discontinuation
-
2016
- 2016-09-01 WO PCT/SE2016/050825 patent/WO2017039522A1/en active Application Filing
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| WO2017039522A1 (en) | 2017-03-09 |
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