The present application relates to medical examination tables and, more specifically, to medical examination tables that are designed for optimizing access to a patient supported on the medical examination table and also for optimizing the storage area near the medical examination table.
Utilizing space within work areas is an area of importance in designing equipment and devices. Specifically, in the current medical environment, the arrangement of equipment and supplies within an examination room is essential. Because of the need to streamline medical processes and, also, to limit the costs of medical equipment, there is a push for more compact equipment, including examination tables. Likewise, it has become more and more common for a single examination room to be used for different stages of a medical examination. For instance it, would be advantageous for a single examination room to be used for an entire procedure, in a manner that is efficient and comfortable for the patient. The initial review, where a patient is typically sitting in a chair, and further examinations, where a patient may have to lie upon a flat surface, preferably will happen in the same room, thereby necessitating the need to store equipment and devices for both procedures within the same examining room. Thus, it would be advantageous to store the necessary equipment in an easily accessible area within the examining room.
For instance, examination tables that have added storage areas as part of the table have advantages over tables that do not have such arrangements. Current tables still can be improved, particularly in providing access to all storage areas on the examination table during all examination steps. Accordingly, there is a need for an examination table having a storage area that is easily accessible, regardless of the position of the table within the examination room, or the specific position and arrangement of the table. There is also a need for an examination table having a storage area that is accessible whether the examination table is in a seat-like or bed-like arrangement, or in a normal or reclined position.
Along with providing compact and more useful medical examination tables, the tables should still be rigid and sturdy enough so that they can be adequately used by a wide range of patients in a safe manner. For instance, increasing storage area on the table, or increasing work area for the doctor, in a manner that diminishes the amount of weight the table may support or the range that the table may move, does not necessarily result in a better table. Accordingly, there is a need for an examination table that efficiently utilizes the area of an examination room, while still providing a sturdy table covering a wide range of movements and positions.
Accordingly, it would be desirable to provide a medical examination table providing any one or more of the above mentioned needs or any other needs.
One embodiment of the present application relates to a medical examination table assembly comprising a base providing a storage area, a patient support movable independent of the base between a lowered position and a raised position, and a lift mechanism coupled to the patient support for moving the patient support between the lowered position and the raised position. The patient support comprises a backrest and a seat. A seating surface of the seat is at a wheelchair accessible height when the patient support is moved to the lowered position.
Another embodiment of the present application relates to a medical examination table comprising a base having a surface, a patient support coupled to the base and a lift mechanism extending from a plane defined by the surface to the patient support. The patient support has a backrest and a seat. The seat having a seating surface extending along a plane and a rear edge supported forward of the surface when in a lowered position. The lift mechanism is configured to move the seat between the lowered position and a raised position. The lift mechanism lifts the seat while keeping the plane substantially fixed through at least a portion of a range of movement of the seat between the lowered position and the raised position.
Another embodiment of the present application relates to a medical examination table comprising a first base providing a first storage area, a second base positioned forward of the first storage area and providing a second storage area, a lift mechanism coupled to the second base and configured to move the second base between a lowered position and a raised position, and a patient support supported at the second base. The second base is movable independent of the first base between the raised position and the lowered position.
Another embodiment of the present application relates to a medical examination table comprising a first base providing a storage area and a patient support coupled to the first base. The patient support includes a backrest and a seat bottom. The backrest is movable relative to the seat bottom between a substantially upright position and a substantially horizontal position. The seat bottom is movable relative to the first base between a lowered position and a raised position. The backrest is substantially forward of the storage area when in the substantially upright position and substantially above the storage area when in the substantially horizontal position.
Referring generally to the FIGURES, a examination table and components thereof are shown according to exemplary embodiments. The examination table, shown as a medical examination table 10, utilizes the space in and around the table in an effective and efficient manner for storage and/or support of various articles (e.g., supplies, equipment, instrumentation, components, etc.) while providing a table that is suitable for use in a number of different procedures or applications (e.g., examinations, surgical procedures, etc.). The table 10 generally comprises a patient support 30 that is selectively movable (e.g., configurable, reconfigurable, adaptable, adjustable, etc.) between a range of positions. The table 10 further comprises a first base 33 and a lift mechanism (shown as a linkage system 12). The first base 33 supports or otherwise assists in stabilizing the patient support 30, while the lift mechanism is configured to selectively move the patient support 30 between a range positions.
The patient support 30 moves independent or separate of the first base 33 between a lowered position (e.g., retracted position, wheelchair accessible position, etc.), shown in
According to an exemplary embodiment, a structure (e.g., housing, body, storage compartment, storage pod, module, etc.), shown as a rear storage section 70, is provided closely adjacent or otherwise coupled to the first base 33. The storage section 70 provides a storage area suitable for supporting one or more articles related to the medical procedure (e.g., supplies, equipment, instrumentation, etc.) or other items that may be beneficial to store in an examination table. Similar to the first base 33, the movement of the patient support 30 is independent or separate of the storage section 70. For example, the first base 33 may be configured to rest upon a ground surface without moving during the operation of the table 10.
Before discussing the details of the table 10 and components thereof, it should be noted at the outset that references to “front,” “back,” “rear,” “upper,” “lower,” “right,” and “left” in this description are merely used to identify the various elements as they are oriented in the FIGURES, with “front,” “back,” and “rear” being relative to a patient seated in the patient support 30. These terms are not meant to limit the element which they describe, as the various elements may be oriented differently in various applications.
It should further be noted that for purposes of this disclosure, the term “coupled” means the joining of two members directly or indirectly to one another. Such joining may be stationary in nature or moveable in nature and/or such joining may allow for the flow of fluids, electricity, electrical signals, or other types of signals or communication between the two members. Such joining may be achieved with the two members or the two members and any additional intermediate members being integrally formed as a single unitary body with one another or with the two members or the two members and any additional intermediate members being attached to one another. Such joining may be permanent in nature or alternatively may be removable or releasable in nature.
Referring initially to
The seat back 26 is shown as being a separate from the seat bottom 28. According to various alternative embodiments, the seat back 26 may be integrally formed with the seat bottom 28 to provide a single unitary body. According to still further alternative embodiments, the patient support 30 may be divided into sections other than a seat back portion and a seat portion. For example, the patient support 30 may include a section specifically designed to support the head and/or neck of a patient (e.g., a headrest, etc.) or a section specially designed to support the lower leg or foot of a patient (e.g., a footrest, etc.).
As stated above, the patient support 30 moves between a lowered position and a raised position. According to an exemplary embodiment, when the patient support 30 is moved to the lowered position, the seating surface 29 of that seat bottom 28 is at a height that allows for the efficient and relatively easy transfer of a patient in a wheelchair to the seating surface 29 and the return transfer of the patient from the seating surface 29 to the wheelchair. For purposes of the present application, such a height is referred to broadly as a wheelchair accessible height.
The wheelchair accessible height is a height at which the seating surface 29 of the seat bottom 28 is substantially coplanar with a seating surface of a typical wheelchair (or slightly above or below depending on whether the patient is entering or exiting the patient support 30). At this height a patient can be readily slid from one seating surface to the other. What constitutes a wheelchair accessible height will vary depending on the size of the wheelchair. According to an exemplary embodiment, the seating surface 29 of the seat bottom 28 is at least lowerable to a height that is approximately 24 inches above the ground. According to another exemplary embodiment, the seating surface 29 of the seat bottom 28 is at least lowerable to a height that is approximately 18 inches above the ground. According to various alternative embodiments, it may be beneficial to have the seating surface 29 of the seat bottom 28 lowerable to heights above and/or below those heights provided above to accommodate a particular wheelchair.
While the wheelchair accessible height has been defined above with reference to accommodating the transfer of a wheelchair bound patient to and from the patient support 30, such a height may also benefit a non-wheelchair patient attempting to enter or exit the patient support 30. For example, the wheelchair accessible height may assist an elderly patient, an obese patient, or any other patient who may otherwise have a mobility deficiency making it difficult to enter or exit the patient support 30. Lowering the seating surface 29 to a wheelchair accessible height advantageously reduces the likelihood that a separate foot step will need to be used by such patients when exiting or entering the patient support 30.
The patient support 30 is also movable to a raised position. When the patient support 30 is in the raised position, the seating surface 29 of that seat bottom 28 is at a height that allows for the effective examination of a patient by the examiner or caregiver. For purposes of the present application, such a height is referred to broadly as an examination height. According to an exemplary embodiment, the seating surface 29 of the seat bottom 28 can be raised to at least a height that is approximately 30 inches above a ground surface. According to another exemplary embodiment, the seating surface 29 of the seat bottom 28 can be raised to at least a height that is approximately 37 inches above a ground surface. According to various alternative embodiments, it may be beneficial to allow the seating surface 29 of the seat bottom 28 to be raised to a maximum height that is above and/or below those heights provided above.
According to an exemplary embodiment, the seat back 26 is pivotally supported relative to the seat bottom 28 thereby allowing the inclination or angle of the seat back 26 to be selectively adjusted relative to the seat bottom 28. The seat back 26 can be configured to move between any of a number of ranges relative to the seat bottom 28 depending on various design criteria. According to the embodiment illustrated, the seat back 26 is configured to rotate relative to the seat bottom 28 between a substantially upright position, shown in
To facilitate movement of the seat back 26 relative to the seat bottom 28 a tilt mechanism is provided. Referring to
According to various alternative embodiments, any of a number of known or otherwise suitable mechanisms, either manual, powered or a combination thereof can be used to facilitate the movement of the seat back 26 relative to the seat bottom 28. For example, the tilt mechanism may be any of a variety of air, gas, liquid, elastomer, spring, or hydraulic devices, shocks, or shock absorber, dashpot mechanisms, air spring, cylinders, actuators that can selectively move the seat back 26.
Referring back to
According to an exemplary embodiment, the second base 34 is shown as a box-like structure disposed under the seat bottom 28. The size of the second base 34 is maximized and extends substantially to the periphery of the seat bottom 28 (e.g., laterally side-side and in a longitudinally front-to-back, etc.). Increasing the size of the second base 34 increases the available storage therein. However, limiting the size of the second base 34 to the boundaries of the seat bottom 28 may be both aesthetically pleasing (since the second base 34 is substantially concealed when looking down from the seat bottom 28) and functional (e.g., improves a caregiver's clearance around the table 10, provides for a more compact table, etc.). According to various alternative embodiments, the second base 34 may only take up a portion of the space available under the seat bottom 28 (e.g., in a lateral direction and/or in a longitudinal direction, etc.) and/or may outwardly extend from at least one side of the seat bottom 28.
The height of the second base 34 may vary depending upon a number of factoring including the desired height of the seating surface 29 of the seat bottom 28 in the lowered position. According to an exemplary embodiment, the second base 34 has a height of approximately 10 inches to approximately 18 inches. According to alternative embodiments, the height of the second base 34 may be greater or less than 10 inches or 18 inches.
Referring to
Referring to
The front storage area 40 also comprises additional space that can accommodate a device, pan, and/or a tray 44. Referring to
It should be noted that the front storage area 40 and the side storage area 41 may have storage configurations other than those suitable for receiving a drawer. For example, either one of the front storage area 40 and the side storage area 41 may include one or more shelves, cabinets doors, storage racks, or any other suitable storage configuration.
Referring to
According to an exemplary embodiment, the work surface 64 is configured to be selectively moved between a stowed or retracted position and a use position. In the use position, the work surface 64 is generally supported closely adjacent to the seat bottom 28 and may be provided at a height that is similar to the height of the seating surface 29. According to an exemplary embodiment, the work surface 64 is stowed under the patient support surface 32 and is moved to the use position when desired. According to various alternative embodiments, the work surface 64 may collapsible and/or pivotally coupled relative to the seat bottom 28 such that it is stowed without being stowed under the seat bottom 28. For example, the work surface 64 could be folded away, such as along the side or back of the second base 34.
According to the embodiment illustrated, the work surface 64 is slidably coupled to the second base 34 and located below the seat bottom 28. The work surface 64 may be configured to slide out relative to one or more of the lateral sides of the seat bottom 28. As shown by the arrows, the work surface 64 in the embodiment illustrated can be pulled out from either direction, thereby accommodating right- and left-handed persons and accommodate the examiner on either side of the table 10. Having the work surface 64 stored on the table 10 and accessible from either side of the seat bottom 28 advantageously improves the effectiveness and/or usefulness of the table 10 within the examination room.
According to an exemplary embodiment, the work surface 64 is designed so that it will not be inadvertently removed from the table 10. As shown in
Referring to
The grab bars 38 are designed in a manner so that clearance is provided for the work surface 64 (if provided) when the work surface 64 is in a use or extended position. More specifically, the grab bars 38 are designed such that the medical practitioner may be utilizing the benefits of the work surface 64, while a patient supported on the patient support structure 32 is simultaneously utilizing the benefits of the grab bars 38. Referring back to
Referring further to
As detailed below, the grab bars 38 are also configured to be selectively moved to a third position (e.g., release position, removal position, etc.), the third position being located somewhere between the first position and the second position. The grab bars 38 can also be moved to any of a number of intermediate positions between the first position and the second position to accommodate the needs of the patient and/or the medical practitioner conducting the examination. For example, the grab bars 38 may be moved to a position that allows a patient to enter or exit the patient support 30 from the side. This may be useful when transferring a wheelchair patient to or from the patient support 30.
According to the embodiment illustrated, each grab bar 38 has a shaft 50 that is pivotally inserted into a mount 52. The shaft 50 and the mount 52 are designed to prevent inadvertent removal of the grab bars 38. A protrusion 50a located on the shaft interacts with a slot 52a on the mount. This allows only selective removal of the shaft 50 from the mount 52.
When the grab bar 38 is in a support position (as shown in
As shown in the drawings, and particularly in
According to another exemplary embodiment, the grab bars 38 can be designed and arranged so that they will be prevented from rotating completely 180 degrees between the first position and the second position. This may prevent the grab bars 38 from interfering with the movement various rear storage compartments when the table 10 is in a position as shown in
The second base 34 may also support a device for adjusting the tilt of the seat bottom 28. Referring to
To support the patient support 30 and the various components thereof, the first base 33 is provided. Referring to
The wall 35 upwardly extends relative to the support extension 36 and is defined at least in part by a front surface 51. The front surface 51 may be a substantially linear surface, a curvilinear surface, or include both linear and curvilinear portions. According to the embodiment illustrated, the front surface 51 is a substantially vertical surface. Configuring the front surface 51 in this manner may provide clearance for the movement of the seat bottom 28 and the second base 34.
The first base 33 may be suitable for supporting the patient support 30 without requiring the assistance of any other structure (e.g., rear storage section 70). According to an another embodiment, the first base 33 may not include the support extension 36 or an equivalent thereof. Rather the rear storage section 70 (detailed below) or the wall 35 may be adequately weighted and configured to support the patient support 30.
To facilitate the movement of the patient support 30 between the lowered position and the raised position, the lift mechanism is provided. The lift mechanism is coupled between the first base 33 and the patient support 30 and is configured to move the patient support 30 without moving the first base 33. According to an exemplary embodiment, the lift mechanism comprises a linkage system 12 for moving the patient support 30. The linkage system 12 allows the patient support 30 to be easily moved between a wide range of heights, and allows the patient support 30 to move separately and independently from the storage section 70.
Referring to
The actuator 16 is configured to move between a retracted position (shown in
According to an exemplary embodiment, the actuator 16 is a push-only actuator designed to lift the patient support 30 when moved to an extended position. As a push-only actuator, the actuator 16 relies on gravity alone to move or return the actuator 16 to a retract position. The other actuators 16 used throughout the table 10 may also be push-only actuators. Using push-only actuators may reduce the likelihood that the table 10 will be damaged from being driven down on an object (e.g., a stool 8, etc.).
According to various alternative embodiments, the lift mechanism may any of a variety of known or otherwise suitable devices including, but not limited to, a scissor-lift, a chain drive, a rack and pinion, hydraulic cylinders, castings, or other devices. According to a further alternative embodiment, a second lift system may be provided so that the rear storage section 70 (detailed below) is also movable, which may enhance the usefulness of the table.
Provided rearward of the first base is the rear storage section 70 providing a rear storage area. As noted above, the rear storage section 70 is suitable for supporting one or more articles related to the medical procedure (e.g., supplies, equipment, instrumentation, etc.). Referring to
The cabinet 76 is at least partially defined by a top surface 72, a back surface 80, a first lateral side surface, shown in
According to an exemplary embodiment, the top surface 72 also functions as a lid or cover for a storage area 74 (see
According to the embodiment illustrated, the top surface 72 is pivotally coupled at a front edge of the cabinet 76. Coupling the top surface 72 in this manner may allow the top surface to be at least partially opened even when the seat back 26 is partially reclined. A latch device 77 may be provided to support the top surface 72 in an open position. According to various exemplary embodiments, the top surface 72 may take on any of a number of forms for providing a lid. For example, the top surface 72 may be divided or segmented, with only a portion of the top surface 72 functioning as a lid. Further, the top surface 72 may be hinged to any edge or portion of the cabinet 76. Further still, the top surface 72 may be configured to open in ways other than pivotal movement (e.g., by sliding or retracting into a portion of the cabinet 76, etc.).
Referring further to
Movement of the drawers 78 does not interfere with the opening and closing of the storage area 74. Further, as shown in
Providing a storage area accessible to a medical practitioner along a lateral side of the table 10 may optimize the location of an item for use during the examination or procedure. The type of storage provided along the lateral sides of the table 10 is not limited to the use of drawers 78. For example, the cabinet 76 may include one or more shelves, racks, cabinet doors concealing a storage compartment, or any other suitable form of storage.
Referring to
According to an exemplary embodiment, the rear storage section 70 is coupled to the rear side of the first base 33. The rear storage section 70 may be fixedly coupled to the first base 33, or alternatively, may be movably and/or detachably coupled to the first base 33. The rear storage section 70 may be integrally formed with the first base 33 to provide a single unitary base or may be separate component that is selectively added to the table 10. To facilitate the coupling of the rear storage section 70 to the first base, any of a number of suitable techniques may be used including, but not limited to, mechanical fasteners (e.g., bolts, rivets, clips, brackets, clamps, etc.), a suitable welding process, an adhesive, etc.
According to another exemplary embodiment, the rear storage section 70 may be configured as a storage module or pod that is selectively added to the first base 33. These storage modules or pods may having varying storage configurations and/or sizes, each be interchangeable with the first base 33. Such an embodiment may allow examination tables to be supplied the same first base 33 and patient support 30, but with varying rear storage configurations.
According to another exemplary embodiment, the rear storage section 70 may be positioned closely adjacent to the first base 33 without being coupled to the first base 33. For such an embodiment, the first base 33 is configured to support or otherwise stabilize the patient support 30 as it moves between the various positions without the assistance of the rear storage section 70.
As noted above, the table 10 may include one or more systems (e.g., an object detection systems, etc.) designed to restrict the movement of the patient support 30 in the event that an object is placed within the path of movement of the patient support 30. Referring to
It should be noted that according to an alternative embodiment, the table 10 may designed so that the patient support 30 can move automatically between the chair-like and bed-like positions without manually needing to navigate the patient support 30 over and around the rear storage section 70, it may also be possible that the separate parts of the patient support 30 move individually. That is, the seat back 26 may move independently from the seat bottom 28 and, also, independently from the overall movement of the patient support 30.
Referring back to
According to an exemplary embodiment, the table 10 further comprises a cover 18 located on the back of the seat back 26. One or more sensors or switches 22 are operably coupled between the cover 18 and the seat back 26. There is a slight gap between the cover 18 and the seat back 26. When the cover 18 comes into contact with an abutting surface (e.g., a surface of rear storage section 70), the cover will move inward thereby activating at least one of the sensors or switches 22 and causing the movement of the seat back 26 and/or patient support 30 to cease.
The cover 18 may come in contact with the rear storage section 70 or an object over the normal range of movements of the patient support 30.
Referring to
According to an exemplary embodiment, the table 10 is run with a low voltage electrical current, which provides a safer and more economical table than previous table designs. In one particular embodiment, the electrical current flowing through the actuators of the table is approximately 24 volts or less, which may reduce potential risks associated with higher voltage devices.
In operation, the patient support 30, and more specifically the patient support structure 32, of the table 10 is configured to move between different positions independent or separate of the first base 33 and any storage area coupled thereto or otherwise supported adjacent thereto. For example, the patient support structure 32 is configured to move between a substantially upright position and a substantially horizontal position in addition to moving between a lowered position and a raised position. This advantageously allows the top surface 72 to be used to place and store objects and instruments (e.g., see
It is also important to note that the construction and arrangement of the elements of the medical examination table 10 as shown in the exemplary embodiment is illustrative only. Although only a few embodiments of the present inventions have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited. For example, elements shown as integrally formed may be constructed of multiple parts or elements and those shown a multiple parts may be integrally formed. Accordingly, all such modifications are intended to be included within the scope of the present inventions. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the preferred and other exemplary embodiments without departing from the spirit of the appended claims.
The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. Any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating configuration and arrangement of the preferred and other exemplary embodiments without departing from the spirit of the appended claims.
This application is a continuation of U.S. application Ser. No. 12/941,833 filed Nov. 8, 2010 and now U.S. Pat. No. 8,096,006, which is a continuation of U.S. application Ser. No. 12/391,169 filed Feb. 23, 2009 and now U.S. Pat. No. 7,845,033, which is a continuation of U.S. application Ser. No. 11/495,185 filed Jul. 28, 2006 and now U.S. Pat. No. 7,513,000, which claims the benefit under 35 U.S.C. §119(e) of U.S. Provisional Application No. 60/703,372, having a filing date of Jul. 28, 2005, titled “Medical Examination Table,” all of which is are hereby incorporated by reference in their entireties.
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Entry |
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Examination Table, Model 4430, printed from website www.hausmann.com/Model—4430.html on Feb. 26, 2004, 1 page. |
Image printed from Internet address: http://www.tracomedical.com/images/products/midmark—413.jpg, printed on Jun. 3, 2009. |
Midmark, Midmark 623 with Supply Assistant, 1 page. |
Midmark, News Release titled “New Midmark Supply Assistant™ Storage Unit for Barrier-Free™ Exam Tables Provides Extra Storage at the Point of Care”, 2 pages. |
Midmark,Midmark 623 Barrier-Free Power Examination Table. |
Powermatic® Examination Table, Model 4400, printed from website www.hausmann.com/Model—4440.html on Feb. 26, 2004, 1 page. |
Powermatic® Examination Table, Model 4460, printed from website www.hausmann.com/Model—4460.html on Feb. 26, 2004, 1 page. |
Promotional materials for the “222, 223, 622 and 623” power examination tables; Midmark Corp.; printed from website http://www.midmark.com; Oct. 6, 2006; 8 pages. |
Promotional materials for the “4040: Low Access Power Exam Table”; United Metal Fabricators Inc.; printed from website http://www.umf-exam.com; Oct. 6, 2006; 3 pages. |
Promotional materials for the “4070: Low Access Power Exam Table”; United Metal Fabricators Inc.; printed from website http://www.umf-exam.com; Oct. 6, 2006; 3 pages. |
Promotional materials for the “Model 4430 and 4435” examination tables; Hausmann Industries, Inc.; printed from website http://www.hausmann.com/medmain; Oct. 6, 2006; 1 page. |
Promotional materials for the “Model 4440 and 4445” examination tables; Hausmann Industries, Inc.; printed from website http://www.hausmann.com/medmain; Oct. 6, 2006; 1 page. |
Promotional materials for the “Model 4460 and 4465” examination tables; Hausmann Industries, Inc.; printed from website http://www.hausmann.com/medmain; Oct. 6, 2006; 1 page. |
Number | Date | Country | |
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20120186018 A1 | Jul 2012 | US |
Number | Date | Country | |
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60703372 | Jul 2005 | US |
Number | Date | Country | |
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Parent | 12941833 | Nov 2010 | US |
Child | 13331885 | US | |
Parent | 12391169 | Feb 2009 | US |
Child | 12941833 | US | |
Parent | 11495185 | Jul 2006 | US |
Child | 12391169 | US |