US20150351861A1 - Skin marking device for radiographic imaging - Google Patents
Skin marking device for radiographic imaging Download PDFInfo
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- US20150351861A1 US20150351861A1 US14/299,806 US201414299806A US2015351861A1 US 20150351861 A1 US20150351861 A1 US 20150351861A1 US 201414299806 A US201414299806 A US 201414299806A US 2015351861 A1 US2015351861 A1 US 2015351861A1
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- United States
- Prior art keywords
- marking
- marking member
- platform
- radiopaque
- opening
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Links
- 238000003384 imaging method Methods 0.000 title abstract description 28
- 238000004891 communication Methods 0.000 claims description 4
- 230000000994 depressogenic effect Effects 0.000 abstract description 6
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002594 fluoroscopy Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
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- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910000014 Bismuth subcarbonate Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- MGLUJXPJRXTKJM-UHFFFAOYSA-L bismuth subcarbonate Chemical compound O=[Bi]OC(=O)O[Bi]=O MGLUJXPJRXTKJM-UHFFFAOYSA-L 0.000 description 1
- 229940036358 bismuth subcarbonate Drugs 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 229960001235 gentian violet Drugs 0.000 description 1
- 239000002874 hemostatic agent Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
-
- A61B19/54—
-
- A61B2019/545—
-
- A61B2019/5466—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3937—Visible markers
- A61B2090/395—Visible markers with marking agent for marking skin or other tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
Definitions
- the present disclosure generally relates to devices used to determine proper needle placement in the field of radiology; more specifically, to a skin marking device for use during radiographic imaging.
- radiographic imaging methods are currently used to visualize radiopaque structures in the human body. These imaging methods are used to help diagnose disease and to guide therapeutic procedures. Exemplary radiographic imaging methods include radiographs, fluoroscopy, and computed tomography (CT).
- CT computed tomography
- anatomical features that are visible on the patient and on the image can be used as points of reference for determining proper location for needle insertion through the skin or for other surgical or therapeutic procedures.
- a metallic or other radiopaque instrument such as, for example, a hemostat, paperclip or needle, and a skin marking device, usually in the form of a skin marking pen, are used to locate and mark a specific location on the skin surface.
- the radiopaque instrument Since the radiopaque instrument will be visible in the image, the instrument is placed over a patient's body and repositioned during imaging until the radiopaque instrument overlies the desired radiopaque point of reference in the human body, usually a bony structure when using fluoroscopy, and then the marking device is used to mark the location on the patient's skin.
- This marking procedure typically requires two hands and exposes the individual performing the procedure, such as, for example, a physician or technician, to increased radiation because one or both of their hands are near the imaging field for a prolonged period.
- the radiopaque instrument and the marking device are typically disposed of. Occasionally, the radiopaque instrument is resterilized at a significant cost and reused. Simply reusing the same radiopaque instrument and pen on multiple patients introduces the risk of infection being spread between patients and many hospitals have instituted policies prohibiting this.
- embodiments related to a skin marking device for radiographic imaging are disclosed.
- the skin marking device comprises a handle, a platform positioned in communication with the handle, and a marking member extending from the device.
- the marking member has a first end and a second end and is connected to the device at the first end.
- a marking pad is positioned on the second end of the marking member.
- the marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the device.
- the platform includes an opening that is sized to receive at least a portion of the second end of the marking member. When the marking member is in its depressed state, at least of portion of the second end of the marking member extends into the opening in the platform.
- the skin marking device comprises a handle, a platform positioned in communication with the handle, and a marking member extending from the handle.
- the marking member has a first end and a second end and is connected to the handle at the first end.
- a marking pad is positioned on the second end of the marking member.
- the marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the platform.
- the platform includes an opening that is sized to receive at least a portion of the second end of the marking member. When the marking member is in its depressed state, at least of portion of the second end of the marking member extends into the opening in the platform.
- the skin marking device comprises a platform, a marking member extending from the platform.
- the marking member has a first end and a second end and is connected to the platform at the first end.
- a marking pad is positioned on the second end of the marking member.
- the marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the platform.
- the platform includes an opening that is sized to receive at least a portion of the second end of the marking member. When the marking member is in its depressed state, at least of portion of the second end of the marking member extends into the opening in the platform.
- the skin marking device comprises a handle, a disk-shaped platform positioned at an end of the handle, and a marking member extending from the handle.
- the marking member has a first end and a second end and is connected to the handle at the first end.
- a marking pad is positioned on a bottom side of the second end of the marking member.
- the second end of the marking member is circular in shape.
- the marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the disk-shaped platform.
- the platform includes a circular opening centered in the disk-shaped platform that has a diameter not smaller than the diameter of the second end of the marking member.
- the platform also includes a channel extending from the circular opening to the first end of the marking member. When the marking member is in its depressed state, at least of portion of the marking member extends into the channel and the circular opening.
- FIG. 1 is a perspective view of a skin marking device for radiographic imaging according to an embodiment of the present invention.
- FIG. 2A is a side elevational view of a skin marking device for radiographic imaging with the marking member in its raised (or non-depressed) state according to an embodiment of the present invention.
- FIG. 2B is a side elevational view of a skin marking device for radiographic imaging with the marking member in its depressed state according to an embodiment of the present invention.
- FIG. 3A is a bottom plan view of a skin marking device for radiographic imaging with the marking member in its raised state according to an embodiment of the present invention.
- FIG. 3B is a bottom plan view of a skin marking device for radiographic imaging with the marking member in its depressed state according to an embodiment of the present invention.
- FIG. 4A is a top plan view of a skin marking device for radiographic imaging with the marking member in its raised state and also illustrating an arrangement of radiopaque markings on the handle, marking member, and platform according to an embodiment of the present invention.
- FIG. 4B is a top plan view of a skin marking device for radiographic imaging with the marking member in its depressed state and also illustrating the same arrangement of radiopaque markings as shown in FIG. 4A according to an embodiment of the present invention.
- FIG. 5A is a top plan view of a skin marking device for radiographic imaging illustrating another arrangement of radiopaque markings on the handle, marking member, and platform according to an embodiment of the present invention.
- FIG. 5B is a top plan view of a skin marking device for radiographic imaging illustrating yet another arrangement of radiopaque markings on the platform according to an embodiment of the present invention.
- FIG. 6 is a top plan view of a skin marking device for radiographic imaging illustrating an alternative handle-to-platform transition according to an embodiment of the present invention.
- FIG. 7 is a top plan view of a skin marking device for radiographic imaging illustrating an alternative platform shape according to an embodiment of the present invention.
- FIGS. 1 through 7 A detailed description of the embodiments for a skin marking device for radiographic imaging will now be presented with reference to FIGS. 1 through 7 .
- FIGS. 1 through 7 A detailed description of the embodiments for a skin marking device for radiographic imaging will now be presented with reference to FIGS. 1 through 7 .
- FIGS. 1 through 7 A detailed description of the embodiments for a skin marking device for radiographic imaging will now be presented with reference to FIGS. 1 through 7 .
- Embodiments of the present invention can be used to mark a patient's skin during radiographic imaging.
- device 100 includes handle 105 , platform 110 located at one end of handle 105 , and marking member 120 extending from handle 105 .
- Marking member 120 has first end 120 a, second end 120 b, and middle portion 120 c.
- First end 120 a connects marking member 120 to handle 105 .
- Marking pad 125 is deployed on the bottom side of second end 120 b.
- Platform 110 has opening 115 and channel 145 extending from opening 115 to first end 120 a of marking member 120 .
- Opening 115 is sized to receive at least a portion of second end 120 b of marking member 120 .
- Channel 145 is sized to receive at least a portion of middle portion 120 c of marking member 120 .
- Marking member 120 is bendable and can be moved from a raised, or non-depressed state, which is its relaxed state, to a depressed state.
- second end 120 b When marking member 120 is in its raised or non-depressed state, as shown in FIGS. 1 , 2 A (side view), 3 A (bottom view), and 4 A (top view), second end 120 b is substantially parallel to and spaced apart from platform 110 . In the raised state, second end 120 b, hovers, at least in part, over opening 115 .
- marking member 120 When marking member 120 is in its depressed state, as shown in FIGS. 2B (side view), 3 B (bottom view), and 4 B (top view), at least a portion of second end 120 b extends into opening 115 .
- Middle portion 120 c of marking member 120 may extend partially or wholly into channel 145 when marking member is in its depressed state.
- Marking member 120 can be a seamless and continuous extension of handle 105 (or platform 110 if no handle is present) or it can be a separate piece that is fastened to handle 105 (or platform 110 ) by known means.
- platform 110 can be a seamless and continuous extension of handle 105 or it can be a separate piece that is fastened to handle 105 by known means.
- Marking pad 125 can contain any material that can mark the patient's skin. Exemplary materials include any kind of skin safe ink, such as, for example Gentian violet. Alternatively, marking pad 125 can include a protrusion that indents the skin and causes a temporary depression on the skin that is visible for a period of time. When marking member 120 is depressed, marking pad 125 protrudes at least partially from bottom side 110 b ( FIGS. 3A and 3B ) of platform 110 . In use, device 100 will be placed on or near patient's skin with bottom side 110 b facing the patient. Radiographic imaging methods are then used to provide images of the patient. Marking device 100 can be moved during imaging and radiopaque markings 130 , 140 and 135 a - d will guide an individual during imaging. Once the individual locates the designated location using radiopaque markings 130 , 140 and 135 a - d , the individual can depress marking member which will press marking pad 125 against patient's skin, thereby marking the patient's skin at the desired location
- Second end 120 b may comprise a circular shape; however, this should not be construed as limiting—second end 120 b could take on a variety of shape and sizes.
- Opening 115 can be circular in shape, as shown in the drawings; however, this should not be construed as limiting—opening 115 can take on a variety of shapes and sizes.
- Opening 115 is open from top side 110 a of platform 110 to bottom side 110 b of platform 110 .
- Opening 115 and second end 120 b should be of appropriate shape and size such that, when marking member 120 is depressed, second end 120 b can extend, at least partially, into opening 115 and allow marking pad 125 to protrude, at least partially, from bottom side 110 b of platform 110 as best illustrated in FIG.
- this is done by providing a marking device with a circular second end and a circular opening in the platform that has a diameter that is larger than or equal to (i.e., not smaller than) the diameter of the circular second end.
- Channel 145 may be enclosed on bottom side 110 b or it may be completely open from top side 110 a to bottom side 110 b.
- Channel 145 is sized to receive, at least in part, middle portion 120 c of marking member 120 .
- Channel 145 is optional. In embodiments not including a channel, the second end of the marking member would still at least partially enter the opening when marking member was in its depressed position.
- Handle 105 can, as shown, extend length wise out from platform 110 , to make a sufficient gripping area for a user.
- the handle can be made shorter or longer depending on the needs of the user.
- device 100 can be formed from platform 110 without the inclusion of handle 105 .
- marking member 120 would extend from platform 110 instead of handle 105 .
- Platform 110 can be circular, or disk-shaped; however, this should not be construed as limiting. Platform 110 could take on a variety of shapes and sizes.
- FIG. 7 shows an alternative square shape for platform 710 .
- An alternative handle-to-platform transition can also be used, as illustrated in FIG. 7 , which utilizes a partially-circular shape for platform 610 .
- Radiopaque markings are included in embodiments.
- “radiopaque” includes any substance that at least partially prevents transmission (by blocking, reflecting, absorbing, defracting, and/or any similar phenomena) of at least one type of electromagnetic radiation, such that an image of the substance will be visible in radiographic images.
- Radiopaque markings using radiopaque materials can be used to assist a user in proper placement of the skin marking device during radiographic imaging.
- the radiopaque markings used can be of any shape or size and can be made from any known radiopaque material.
- Exemplary radiopaque materials include titanium, platinum, tungsten, barium sulfate, zirconium oxide, bismuth subcarbonate, stainless steel and iodine.
- radiopaque marking 140 is a line on handle 105
- radiopaque markings 135 a - d are lines in a crosshair formation on platform 110 around opening 115
- radiopaque marking 130 is a dot on second end 120 b of marking member 120 .
- radiopaque marking 540 is a grid pattern on the top side of handle 505
- radiopaque markings 535 a - d are lines in a crosshair formation on platform 510 (radiopaque markings 535 a - c ) and marking member 520 (radiopaque marking 535 d )
- radiopaque marking 515 is a dot on second end 520 b of marking member 520
- radiopaque marking 550 is a ring around the opening (not shown) in platform 560 .
- radiopaque marking 640 is a line on handle 605
- radiopaque markings 635 a - d are lines in a crosshair formation on platform 610 around the opening (not shown)
- radiopaque marking 630 is a dot on second end 620 b of marking member 620
- radiopaque marking 740 is a line on handle 705
- radiopaque markings 735 a - d are lines in a crosshair formation on platform 710 around the opening (not shown)
- radiopaque marking 730 is a dot on second end 720 b of marking member 720 .
- Embodiments of the present invention can be operated using one hand, can be constructed of lightweight materials, and/or have radiopaque markings and a marking pad that are in fixed relation with one another. This allows one or more positions to be marked quickly and accurately, which can reduce the amount of exposure to both the individual performing the marking and the patient.
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Abstract
Description
- The present disclosure generally relates to devices used to determine proper needle placement in the field of radiology; more specifically, to a skin marking device for use during radiographic imaging.
- A number of radiographic imaging methods are currently used to visualize radiopaque structures in the human body. These imaging methods are used to help diagnose disease and to guide therapeutic procedures. Exemplary radiographic imaging methods include radiographs, fluoroscopy, and computed tomography (CT).
- When using these imaging methods to create images of internal structures, anatomical features that are visible on the patient and on the image can be used as points of reference for determining proper location for needle insertion through the skin or for other surgical or therapeutic procedures. In these cases, a metallic or other radiopaque instrument, such as, for example, a hemostat, paperclip or needle, and a skin marking device, usually in the form of a skin marking pen, are used to locate and mark a specific location on the skin surface. Since the radiopaque instrument will be visible in the image, the instrument is placed over a patient's body and repositioned during imaging until the radiopaque instrument overlies the desired radiopaque point of reference in the human body, usually a bony structure when using fluoroscopy, and then the marking device is used to mark the location on the patient's skin. This marking procedure typically requires two hands and exposes the individual performing the procedure, such as, for example, a physician or technician, to increased radiation because one or both of their hands are near the imaging field for a prolonged period. Once the procedure is completed, the radiopaque instrument and the marking device are typically disposed of. Occasionally, the radiopaque instrument is resterilized at a significant cost and reused. Simply reusing the same radiopaque instrument and pen on multiple patients introduces the risk of infection being spread between patients and many hospitals have instituted policies prohibiting this.
- In accordance with the teachings disclosed herein, embodiments related to a skin marking device for radiographic imaging are disclosed.
- In an embodiment, the skin marking device comprises a handle, a platform positioned in communication with the handle, and a marking member extending from the device. The marking member has a first end and a second end and is connected to the device at the first end. A marking pad is positioned on the second end of the marking member. The marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the device. The platform includes an opening that is sized to receive at least a portion of the second end of the marking member. When the marking member is in its depressed state, at least of portion of the second end of the marking member extends into the opening in the platform.
- In another embodiment, the skin marking device comprises a handle, a platform positioned in communication with the handle, and a marking member extending from the handle. The marking member has a first end and a second end and is connected to the handle at the first end. A marking pad is positioned on the second end of the marking member. The marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the platform. The platform includes an opening that is sized to receive at least a portion of the second end of the marking member. When the marking member is in its depressed state, at least of portion of the second end of the marking member extends into the opening in the platform.
- In an additional embodiment, the skin marking device comprises a platform, a marking member extending from the platform. The marking member has a first end and a second end and is connected to the platform at the first end. A marking pad is positioned on the second end of the marking member. The marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the platform. The platform includes an opening that is sized to receive at least a portion of the second end of the marking member. When the marking member is in its depressed state, at least of portion of the second end of the marking member extends into the opening in the platform.
- In a further embodiment, the skin marking device comprises a handle, a disk-shaped platform positioned at an end of the handle, and a marking member extending from the handle. The marking member has a first end and a second end and is connected to the handle at the first end. A marking pad is positioned on a bottom side of the second end of the marking member. The second end of the marking member is circular in shape. The marking member has a raised state and a depressed state. When the marking member is in its raised state, the second end of the marking member is substantially parallel to and spaced apart from the disk-shaped platform. The platform includes a circular opening centered in the disk-shaped platform that has a diameter not smaller than the diameter of the second end of the marking member. The platform also includes a channel extending from the circular opening to the first end of the marking member. When the marking member is in its depressed state, at least of portion of the marking member extends into the channel and the circular opening.
-
FIG. 1 is a perspective view of a skin marking device for radiographic imaging according to an embodiment of the present invention. -
FIG. 2A is a side elevational view of a skin marking device for radiographic imaging with the marking member in its raised (or non-depressed) state according to an embodiment of the present invention. -
FIG. 2B is a side elevational view of a skin marking device for radiographic imaging with the marking member in its depressed state according to an embodiment of the present invention. -
FIG. 3A is a bottom plan view of a skin marking device for radiographic imaging with the marking member in its raised state according to an embodiment of the present invention. -
FIG. 3B is a bottom plan view of a skin marking device for radiographic imaging with the marking member in its depressed state according to an embodiment of the present invention. -
FIG. 4A is a top plan view of a skin marking device for radiographic imaging with the marking member in its raised state and also illustrating an arrangement of radiopaque markings on the handle, marking member, and platform according to an embodiment of the present invention. -
FIG. 4B is a top plan view of a skin marking device for radiographic imaging with the marking member in its depressed state and also illustrating the same arrangement of radiopaque markings as shown inFIG. 4A according to an embodiment of the present invention. -
FIG. 5A is a top plan view of a skin marking device for radiographic imaging illustrating another arrangement of radiopaque markings on the handle, marking member, and platform according to an embodiment of the present invention. -
FIG. 5B is a top plan view of a skin marking device for radiographic imaging illustrating yet another arrangement of radiopaque markings on the platform according to an embodiment of the present invention. -
FIG. 6 is a top plan view of a skin marking device for radiographic imaging illustrating an alternative handle-to-platform transition according to an embodiment of the present invention. -
FIG. 7 is a top plan view of a skin marking device for radiographic imaging illustrating an alternative platform shape according to an embodiment of the present invention. - A detailed description of the embodiments for a skin marking device for radiographic imaging will now be presented with reference to
FIGS. 1 through 7 . One of skill in the art will recognize that these embodiments are not intended to be limitations on the scope, and that modifications are possible without departing from the spirit thereof. In certain instances, well-known methods, procedures, components, and circuits have not been described in detail. - Embodiments of the present invention can be used to mark a patient's skin during radiographic imaging.
- In an embodiment, as shown with reference to
FIGS. 1 through 4B ,device 100 includeshandle 105,platform 110 located at one end ofhandle 105, and markingmember 120 extending fromhandle 105. Markingmember 120 hasfirst end 120 a,second end 120 b, andmiddle portion 120 c. First end 120 a connects markingmember 120 to handle 105. Markingpad 125 is deployed on the bottom side ofsecond end 120 b.Platform 110 hasopening 115 andchannel 145 extending from opening 115 tofirst end 120 a of markingmember 120.Opening 115 is sized to receive at least a portion ofsecond end 120 b of markingmember 120.Channel 145 is sized to receive at least a portion ofmiddle portion 120 c of markingmember 120. Markingmember 120 is bendable and can be moved from a raised, or non-depressed state, which is its relaxed state, to a depressed state. - When marking
member 120 is in its raised or non-depressed state, as shown inFIGS. 1 , 2A (side view), 3A (bottom view), and 4A (top view),second end 120 b is substantially parallel to and spaced apart fromplatform 110. In the raised state,second end 120 b, hovers, at least in part, overopening 115. - When marking
member 120 is in its depressed state, as shown inFIGS. 2B (side view), 3B (bottom view), and 4B (top view), at least a portion ofsecond end 120 b extends intoopening 115.Middle portion 120 c of markingmember 120 may extend partially or wholly intochannel 145 when marking member is in its depressed state. - Marking
member 120 can be a seamless and continuous extension of handle 105 (orplatform 110 if no handle is present) or it can be a separate piece that is fastened to handle 105 (or platform 110) by known means. Similarly,platform 110 can be a seamless and continuous extension ofhandle 105 or it can be a separate piece that is fastened to handle 105 by known means. - Marking
pad 125 can contain any material that can mark the patient's skin. Exemplary materials include any kind of skin safe ink, such as, for example Gentian violet. Alternatively, markingpad 125 can include a protrusion that indents the skin and causes a temporary depression on the skin that is visible for a period of time. When markingmember 120 is depressed, markingpad 125 protrudes at least partially frombottom side 110 b (FIGS. 3A and 3B ) ofplatform 110. In use,device 100 will be placed on or near patient's skin withbottom side 110 b facing the patient. Radiographic imaging methods are then used to provide images of the patient. Markingdevice 100 can be moved during imaging andradiopaque markings radiopaque markings pad 125 against patient's skin, thereby marking the patient's skin at the desired location. -
Second end 120 b, as shown in the drawings, may comprise a circular shape; however, this should not be construed as limiting—second end 120 b could take on a variety of shape and sizes. Opening 115 can be circular in shape, as shown in the drawings; however, this should not be construed as limiting—opening 115 can take on a variety of shapes and sizes.Opening 115 is open fromtop side 110 a ofplatform 110 tobottom side 110 b ofplatform 110.Opening 115 andsecond end 120 b should be of appropriate shape and size such that, when markingmember 120 is depressed,second end 120 b can extend, at least partially, intoopening 115 and allow markingpad 125 to protrude, at least partially, frombottom side 110 b ofplatform 110 as best illustrated inFIG. 2B . In the exemplary embodiments shown in the drawings, this is done by providing a marking device with a circular second end and a circular opening in the platform that has a diameter that is larger than or equal to (i.e., not smaller than) the diameter of the circular second end. -
Channel 145 may be enclosed onbottom side 110 b or it may be completely open fromtop side 110 a tobottom side 110 b.Channel 145 is sized to receive, at least in part,middle portion 120 c of markingmember 120.Channel 145 is optional. In embodiments not including a channel, the second end of the marking member would still at least partially enter the opening when marking member was in its depressed position. - Handle 105 can, as shown, extend length wise out from
platform 110, to make a sufficient gripping area for a user. The handle can be made shorter or longer depending on the needs of the user. Alternatively,device 100 can be formed fromplatform 110 without the inclusion ofhandle 105. In this embodiment, markingmember 120 would extend fromplatform 110 instead ofhandle 105. -
Platform 110, as shown inFIGS. 1 through 5 , can be circular, or disk-shaped; however, this should not be construed as limiting.Platform 110 could take on a variety of shapes and sizes. For example,FIG. 7 shows an alternative square shape for platform 710. An alternative handle-to-platform transition can also be used, as illustrated inFIG. 7 , which utilizes a partially-circular shape forplatform 610. - Radiopaque markings are included in embodiments. As used herein, “radiopaque” includes any substance that at least partially prevents transmission (by blocking, reflecting, absorbing, defracting, and/or any similar phenomena) of at least one type of electromagnetic radiation, such that an image of the substance will be visible in radiographic images. Radiopaque markings using radiopaque materials can be used to assist a user in proper placement of the skin marking device during radiographic imaging. The radiopaque markings used can be of any shape or size and can be made from any known radiopaque material. Exemplary radiopaque materials include titanium, platinum, tungsten, barium sulfate, zirconium oxide, bismuth subcarbonate, stainless steel and iodine.
- Exemplary placement of radiopaque marking are shown in the drawings. In
FIGS. 1 , 4A and 4B,radiopaque marking 140 is a line onhandle 105, radiopaque markings 135 a-d are lines in a crosshair formation onplatform 110 around opening 115, andradiopaque marking 130 is a dot onsecond end 120 b of markingmember 120. InFIG. 5A ,radiopaque marking 540 is a grid pattern on the top side ofhandle 505, radiopaque markings 535 a-d are lines in a crosshair formation on platform 510 (radiopaque markings 535 a-c) and marking member 520 (radiopaque marking 535 d), andradiopaque marking 515 is a dot onsecond end 520 b of markingmember 520. InFIG. 5B ,radiopaque marking 550 is a ring around the opening (not shown) in platform 560. InFIG. 6 ,radiopaque marking 640 is a line on handle 605, radiopaque markings 635 a-d are lines in a crosshair formation onplatform 610 around the opening (not shown), andradiopaque marking 630 is a dot on second end 620 b of markingmember 620. Similarly, inFIG. 7 , radiopaque marking 740 is a line onhandle 705,radiopaque markings 735 a-d are lines in a crosshair formation on platform 710 around the opening (not shown), andradiopaque marking 730 is a dot onsecond end 720 b of marking member 720. - Embodiments of the present invention can be operated using one hand, can be constructed of lightweight materials, and/or have radiopaque markings and a marking pad that are in fixed relation with one another. This allows one or more positions to be marked quickly and accurately, which can reduce the amount of exposure to both the individual performing the marking and the patient.
- Having now described the invention, the construction, the operation and use of preferred embodiments thereof, and the advantageous new and useful results obtained thereby, the new and useful constructions, and reasonable mechanical equivalents thereof obvious to those skilled in the art, are set forth in the appended claims.
Claims (28)
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US14/299,806 US9186225B1 (en) | 2014-06-09 | 2014-06-09 | Skin marking device for radiographic imaging |
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US14/299,806 US9186225B1 (en) | 2014-06-09 | 2014-06-09 | Skin marking device for radiographic imaging |
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US20160346059A1 (en) * | 2015-05-29 | 2016-12-01 | Jeffery C. McNeely | Skin Marking Device |
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US20190110857A1 (en) * | 2017-10-18 | 2019-04-18 | Christopher Pettis | Skin marking template for radiographic imaging |
US11589809B2 (en) | 2019-05-03 | 2023-02-28 | The Board Of Regents Of The University Of Texas System | Devices, systems, and methods for locating a position in a body |
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