JP4722675B2 - Radiation exposure control clothing - Google Patents

Description

  The present invention relates to a radiation exposure management garment used for confirming the safety of a patient undergoing radiation medical care or a worker performing radiation irradiation, and managing the dose and position of exposure and the exposure avoidance position.

  Medical treatment using radiation such as X-ray is to accurately determine or locally treat a lesion. Radiation therapy includes radiation therapy that irradiates malignant tumor lesions from outside the body and minimally invasive interventional radiology that irradiates a relatively large amount of radiation from the back side through a percutaneous procedure under the guidance of radiographic images. Treatment methods such as (Interventional Radiology: IVR) therapy are performed.

  To accurately detect and predict the exposure dose at a specific part of the patient and avoid excessive double exposure at the same part so that the patient will not be exposed excessively or cause radiation damage during radiotherapy Therefore, it is important to strictly manage the exposure.

  A method of using a radiation dosimeter such as a semiconductor detector or a scintillation detector for detecting the exposure dose is known. It is cumbersome to attach large radiation dosimeters to the patient's back, or to remove them from a patient who is fully anesthetized immediately after the procedure and cannot move but is lying on his back.

  A method using a radiation-sensitive composition that displays an exposure amount by a change in color tone as disclosed in Patent Document 1 and a sheet coated with the radiation-sensitive composition is also known. It is cumbersome to apply or affix them to the predicted exposure position of the patient in advance. In addition, accurate exposure doses can be detected over a wide range according to the unevenness of the patient's body surface, and cumulative exposure to a specific position on the skin near the patient's irradiation position that should be managed with extreme caution when radiological treatment is repeated It is difficult to detect the amount accurately and precisely.

JP 2005-502051 gazette

  The present invention has been made to solve the above-mentioned problems, and can be easily attached and detached when performing radiation medical care for a patient, and the cumulative radiation dose of a single treatment or a repeated treatment at a specific part of the body. It is possible to accurately detect the position of exposure and exposure by displaying clear color changes and numerical values, avoiding excessive overlapping exposure, and providing clothes for managing exposure.

The radiation exposure management garment according to claim 1, which has been made to achieve the above object, detects the radiation exposure amount while the radiation exposure detection material is fractionated in a grid or stripe pattern. It is attached to the clothing fabric according to the body part of the patient to be
A clothing positioning mark, which is at least one of a plurality of notches carved into the clothing fabric to match the body part and a plurality of lines appearing on the clothing fabric to match the body part, is attached. Each fractionated fraction is given a unique identification code selected from letters, numbers, symbols, and patterns for identifying the radiation exposure amount and position on the skin at the irradiation position of the patient. It is characterized by being.

  Examples of the radiation exposure detection material include a radiation exposure detection indicator and a radiation exposure detection element having a radiation coloring composition-containing layer.

  The radiation exposure management garment according to claim 2 is a vest, a long-sleeved garment, or a yukata.

  The radiation exposure management garment according to claim 3, wherein the vest is made of a single piece of the cloth material, and the detachable fastener is attached to the front fitting portion and the shoulder portion. And

The radiation exposure management garment according to claim 4 is characterized in that the garment fabric is a material made of natural fiber or synthetic resin, which is hardly stretchable and does not shift in positioning by the clothing positioning mark.

Radiation exposure control garments this, for each fraction is the fraction the identification code that has been assigned.

The radiation exposure management garment according to claim 5 is characterized by being provided with a radiation exposure avoidance position indication mark.
The radiation exposure management garment according to claim 6 is characterized in that the plurality of lines are attached from the shoulder to the base of the arm, and the plurality of notches are aligned along the spinal column. .

  The radiation exposure management garment of the present invention can accurately detect the radiation exposure amount and position on the patient's body surface, particularly the skin near the irradiation position of the patient to be managed. In addition, when performing radiological examinations repeatedly, it is possible to accurately and easily detect the cumulative radiation exposure amount and position, and further to determine the radiation exposure dose at a three-dimensional specific part of the body surface of a patient or the like. Data can be managed by aggregation. Based on this data, it is possible to reduce the amount of exposure to the same site that is a concern during radiation medical care.

  This clothing can be easily worn by a patient or an operator at the time of radiation medical treatment or the like by fastening with a fastener such as a hook-and-loop fastener. Fits the body and does not slip away from the body during medical treatment. Moreover, it can be used for any patient having a different body shape, and the clothes can be put on the intended position of the patient. In addition, when performing radiation medical treatment repeatedly, the clothes can be worn at the same position. It can be easily undressed after completion of medical treatment.

  Examples of the present invention will be described in detail below, but the scope of the present invention is not limited to these examples.

  The radiation exposure management garment 1 will be described with reference to FIG. 1 corresponding to the embodiment.

  FIG. 1 is a rear view of a spread radiation exposure management garment 1. The radiation exposure management garment 1 is a pre-matching vest that bends in the direction of the arrow on the front side and allows a patient to wear it.

  A radiation exposure detection indicator 11 having a radiation composition-containing ink layer is attached as a radiation exposure detection material in the approximate center on the back side of the fabric in accordance with the back of the patient whose radiation exposure is to be detected. . The radiation composition-containing ink layer includes a polymer compound having at least one of a halogen group and an acetal group and a hydroxyl group, a colorable electron donor organic compound, and the electron donor organic depending on the exposure dose. A composition containing an active species-generating organic compound for coloring a compound and a radiation absorber and / or a radiation fluorescent agent is printed. On the radiation composition-containing ink layer of the indicator 11, grid lines that are divided into grids of 7 rows in length and width, and unique identification codes “A1... A7” to “G1” for each of the fractionated fractions 12. ... G7 ”is printed.

  The indicator 11 may be attached to any location on the back side of the fabric corresponding to the patient's neck, shoulder, chest, abdomen, flank, hip, armpit, arm, or leg.

  In the middle of one long side of the dough, a back-side neck periphery 21 cut into a substantially half-moon shape is formed. At the center, a notch 22 which is a V-shaped clothing positioning mark is engraved. The vicinity of both ends of this long side is cut into a substantially quadrangular arc shape to form a chest side neck periphery 27.

  In the middle of the back-side neck periphery 21 and the chest-side neck periphery 27, a side part 25 cut into an ellipse is formed. A back-side shoulder portion 23 and a chest-side shoulder portion 26 are formed between the neck portions 21 and 27 and the side portions 25. The back-side shoulder portion 23 has a loop-type protruding hook-and-loop fastener 13b indicated by a two-dot broken line on the front side, and a line 24 that is a clothing positioning mark on the back side. The chest side shoulder portion 26 has a hook-type protrusion-attached hook-and-loop fastener 13a on the back side.

  A notch 29 which is a V-shaped clothing positioning mark is engraved in the middle of the other long side of the fabric.

  On one short side of the fabric, a front joining portion having a hook-type protrusion-attached surface fastener 14a on the back side is formed, and on the other short side, a loop-type protrusion-attached surface fastener 14b indicated by a two-dot broken line is provided on the front side. A front matching portion is formed.

  A pair of hook-and-loop fasteners 13a and 13b and a pair of 14a and 14b form a set of attachment / detachment fasteners.

  The radiation exposure management garment 1 is used as follows.

  As shown in FIG. 2, the radiation exposure indicator 11 is turned outward, the hook-and-loop fasteners 13a and 13b are entangled, and the shoulder portions 23 and 26 are closed to form the vest. Let this be put on the patient. The clothing positioning mark line 24 is aligned with the base of both arms of the patient, the clothing positioning mark notch 22 is aligned with the base of the patient's neck, and the patient's spine is aligned with the line connecting the notches 22 and 29. And the mutual position of the radiation exposure management garment 1 are adjusted. The hook-and-loop fasteners 14a and 14b are entangled while confirming that the position adjusted last does not shift and the radiation exposure management garment 1 fits closely to the patient's body. Lay the patient on his back on the radiotherapy table.

  Radiation is irradiated toward the patient from a radiation irradiation device (not shown) provided under the treatment table. Then, the color tone of each fraction 12 of the indicator 11 changes according to the amount of radiation exposure.

  After the treatment, the surface fasteners 13a and 13b, 14a and 14b are peeled off, and the radiation exposure management garment 1 is pulled out while slightly lifting the patient.

  The color tone of the indicator 11 is visually observed, the color tone of each fraction 12 is compared with the standard color corresponding to the radiation exposure amount, and the radiation exposure amount is detected. If necessary, the indicator 11 may be measured by a color difference meter, and the radiation exposure amount may be detected by comparing the color difference of each fraction with the color difference of another indicator previously exposed in accordance with the radiation exposure amount. After the exposure amount and the identification code shown for each fraction 12 of the indicator 11 are written in the medical chart, the radiation exposure management clothing 1 is stored in a cool and dark place.

  When the patient is again subjected to radiation medical care, the radiation exposure management garment 1 is similarly worn and irradiated, and the color tone of each fraction 12 of the indicator 11 changes according to the cumulative exposure dose.

  The coloration mechanism of the radiation exposure management garment 1 is presumed as follows. First, the radiation absorber in the indicator 11 absorbs and scatters the radiation applied to the indicator, causing the photoelectric effect, the Compton effect, and the generation of electron pairs that emit electrons. A radiation-excited fluorescent agent causes a fluorescent phosphorescence phenomenon together with a similar phenomenon. By these phenomena, active species having electron accepting properties are generated from the active species-generating organic compound, and charge transfer of the mixed color-forming electron donor organic compound is induced. Then, the electron donor compound is colored due to the change in electron density, and thereby the indicator 11 is discolored.

  Since the colored indicator 11 does not fade and the hue does not change, it can be stored for a long period of time as evidence showing the exposure dose. Although the details of the mechanism are unknown, it is considered that the hydroxyl group of the polymer compound generates an electron acceptor such as a hydrogen ion by irradiation and stabilizes the colored electron donor compound and the like, so that it does not fade. In particular, the hydroxyl group in the polymer compound makes it easier to generate an electron acceptor such as a hydrogen ion by the presence of a halogen group or an acetal group.

  This indicator 11 can display a wide range of radiation exposure of 0.05 to 25,000 Gy, and can be discolored at a lower dose than in the past. Although the details are unknown, the polymer compound stabilizes the colored electron donor organic compound and the like, and since it is contained in a relatively large amount in the composition, a clear color can be obtained even at a low exposure dose. It is thought to cause.

  The specific example of the raw material which comprises the radiation exposure management clothing 1 is as follows.

  The fabric is a material that can absorb sweat generated from the patient during the operation, fits to the patient's body surface, and is made of a natural fiber or synthetic resin material that is difficult to expand and contract so as not to shift the positioning when performing the operation, for example Examples thereof include woven fabrics such as gauze and nonwoven fabrics.

  The fastener is made of resin or cloth that does not obstruct radiation, and is preferably a hook-and-loop fastener, slide fastener, hook, button, and string, such as Velcro (registered trademark of Kuraray Co., Ltd.). A hook-and-loop fastener that can be adjusted is more preferable.

  The radiation exposure amount detection material is preferably one that does not interfere with the image during the IVR treatment.

  The indicator 11 as an example thereof may be a layer in which a radiation coloring composition is printed on a base material such as a plastic film or paper and the base material is pasted on a cloth. The composition may be printed directly on the fabric. The fractions 12 may be fractionated by printing grid lines, and the adjacent fractions 12 may be arranged in a grid pattern or a stripe pattern with a slight gap between them. Fraction 12 is preferably fractionated in a grid pattern with a side of 0.5-40 cm square, rectangle, rhombus or triangle, and is fractionated into horizontal stripes or vertical stripes at intervals of 0.5-40 cm. It may be. The identification code given to the fraction 12 may be printed with letters, numbers, symbols, and patterns. The ink for printing the grid lines and the identification code is not particularly limited as long as it does not hinder radiation irradiation.

  A radiation exposure avoidance position indication mark 15, for example, a metal piece, may be attached to the fraction 12 of the indicator 11 or an arbitrary position of the fabric. Metal absorbs radiation. Therefore, radiation exposure can be avoided at the attachment position of the metal piece. Metals appear as black shades on images during diagnostic imaging with radiation. Therefore, when performing medical treatment in which radiation is irradiated under repeated image guidance or repeated radiation, a small piece of metal is attached to the previously irradiated location, and if this location is avoided, radiation irradiation is performed. Excessive radiation exposure at the same site on the patient's body surface can be avoided.

  The radiation coloring composition is replaced with a composition containing a polymer compound, a colorable electron donor organic compound, an active species-generating organic compound, and a radiation absorber and / or a radiation fluorescent agent. The composition may contain at least one of a compound, a diarylethene compound, and a fulgide compound.

The polymer compound is represented by the following formula (1):

(In the above formula, X is a halogen atom, -R ₁ is a hydrogen atom, a cyano group, an alkyl group, an aryl group, an alkoxy group, an alkoxycarbonyl group, an aliphatic carbonyloxy group such as an acetoxy group, a carboxyl group, an aryloxy group. , An aralkyl group, or an aralkoxy group, wherein l, m, and n are arbitrary ratios)), and the following formula (2)

(In the above formula, -R ₂ and -R ₃ are the same or different and are a hydrogen atom, a cyano group, an alkyl group, an aryl group, an alkoxy group, an alkoxycarbonyl group, an aliphatic carbonyloxy group such as an acetoxy group, or a carboxyl group. , An aryloxy group, an aralkyl group, or an aralkoxy group, and p, q, and r are in any ratio. These polymer compounds may be used alone or in combination as a mixture, or other polymer compounds may be mixed.

  The color-providing electron donor organic compound is usually colorless or light-colored and has a property of developing color by the action of an active species such as Bronsted acid or Lewis acid, that is, an electron acceptor. Specifically, triphenylmethane phthalides such as crystal violet lactone, malachite green lactone; fluorans such as 3-diethylaminobenzo-α-fluorane, 3-diethylamino-7-chlorofluorane, 3-diethylamino-7-dibenzyl Aminofluorane, 3,6-dimethoxyfluorane; phenothiazines such as 3,7-bisdimethylamino-10- (4′-aminobenzoyl) phenothiazine; indolylphthalides such as 3,3-bis (1-ethyl- 2-methylindol-3-yl) phthalide, 3,3-bis (1-n-butyl-2-methylindol-3-yl) phthalide; leucooramines such as N- (2,3-dichlorophenyl) leucoora Min, N-phenylauramine; Rhodaminelac Rhodamine-β-o-chloroaminolactam; Rhodamine lactones such as Rhodamine-β-lactone; Indolines such as 2- (phenyliminoethanedilidene) -3,3′-dimethylindoline, p-nitrobenzylleucomethylene blue Benzoylleucomethylene blue; triarylmethanes such as bis (4-diethylamino-2-methylphenyl) phenylmethane and tris (4-diethylamino-2-methylphenyl) methane. They may be used alone or as a mixture of two or more.

  The active species-generating organic compound is one in which an active species is irreversibly generated by irradiation of a radiation, and is a compound having a halogen group, for example, a halogenated alkyl such as carbon tetrabromide, tribromoethanol, or tribromomethylphenylsulfone, or tribromo. And methyl derivatives.

  The radiation absorber is a metal of barium, yttrium, silver, tin, hafnium, tungsten, platinum, gold, lead, bismuth, zirconium, europium, cerium, and a compound containing the metal such as sulfate, carbonate of the metal. And nitrates. They may be used alone or as a mixture of two or more.

The radiation excited fluorescence agent, salt represented by _{CaWO 4, MgWO 4, HfP 2} 0 7, ZnS: Ag, ZnCdS: Ag, CsI: Na, CsI: Tl, BaSO 4: Eu 2+, Gd 2 O 2 S : Tb ³⁺ , La ₂ O ₂ S: Tb ³⁺ , Y ₂ O ₂ S: Tb ³⁺ , Y ₂ SiO ₅ : Ce, LaOBr: Tm ³⁺ , BaFCl: Eu ²⁺ , BaFBr: Eu ²⁺ The baked product shown is mentioned. The fired product of ZnS: Ag is obtained by firing with zinc sulfide as a main component and adding silver as a heavy metal activator. Other fired products can be obtained in the same manner. They may be used alone or as a mixture of two or more.

  The radiation-colorable composition comprises 5 to 50 parts by weight of a polymer compound, 0.01 to 50 parts by weight of a colorable electron donor organic compound, 0.1 to 50 parts by weight of an active species-generating organic compound, It preferably contains 0.1 to 500 parts by weight of a radiation absorber or radiation-excited fluorescent agent.

  The radiation-colorable composition can adjust the hue after color change, the shade of color, and the color change rate by adjusting the type and mixing ratio of the substances.

  The radiation-colorable composition may be used as an ink or paint by dissolving the polymer compound in a solvent to form a medium. The medium preferably contains 50 to 95 parts by weight of the solvent with respect to 5 to 50 parts by weight of the polymer compound.

  Solvents include methanol, ethanol, isopropanol, butyl alcohol, hexyl alcohol, methyl acetate, ethyl acetate, propyl acetate, isobutyl acetate, butyl acetate, acetone, 2-butanone, cyclohexane, isophorone, methyl ethyl ketone, 4-methyl-2-pentanone , Ethyl ether, isopropyl ether, tetrahydrofuran, dioxane, methyl cellosolve, ethyl cellosolve, butyl cellosolve, 2-hexane, isooctane, solvent naphtha, methylene chloride, propylene chloride, ethylene chloride, chloroform, dichloroethane, 1,1,2-trichloroethane , Carbon tetrachloride, benzene, toluene, xylene, chlorobenzene, N, N-dimethylformamide, N-methyl-2-pyrrolidone Dimethyl sulfoxide, at least one compound selected from acetate is preferred. These solvents may be used alone or in combination. Any solvent that dissolves the polymer compound can be used.

  The radiation coloring composition may contain additives such as an antifoaming agent, a surfactant, and a coagulant.

  The indicator 11 may be covered with a transparent or translucent protective film layer.

  The protective film is for blocking ultraviolet rays, and examples thereof include polyimide, polyethylene terephthalate, polypropylene, or polyester films, and those obtained by mixing or laminating ultraviolet absorbers with these films.

  A pigment that approximates the hue before the color change of the ink layer or after the color change according to the radiation exposure amount may be attached near the indicator 11.

  The base material of the indicator 11 is preferably made of polyester, polystyrene, polycarbonate, polyethylene terephthalate, polyimide, polypropylene resin or paper.

  The radiation-colorable composition may contain a polyacetylene compound, a diarylethene compound or a fulgide compound, and may further contain a condensed polycyclic aromatic compound.

  Examples of the polyacetylene compound include diacetylene compounds, and more specifically, carbazoles having a diacetylene group.

  As diarylethene compounds, diarylethenes exemplified by diarylperfluorocyclopentene having an aryl group which may be substituted with a substituent such as an alkyl group, an alkoxy group, a halogen group, an aryl group or a heteroaryl group at positions 1 and 2; A diheteroaryl perfluorocyclopentene having a heteroaryl group which may be substituted with a substituent such as an alkyl group, an alkoxy group, a halogen group, an aryl group or a heteroaryl group at positions 1 and 2, more specifically, 1 , 2-bis [2-methoxy-5-phenyl-3-thienyl] perfluorocyclopentene and the like.

  Examples of the fulgide compound include bismethylene succinic anhydrides.

  Examples of the condensed polycyclic aromatic compound include naphthalene, anthracene, phenanthrene, fluorene, benzofuran, benzofuran, benzothiophene, and indole.

  Although the example which used the radiation exposure amount detection indicator was shown as a radiation exposure amount detection material, the radiation exposure amount detection element used for the dosimeter which detects a radiation or measures a radiation dose may be used. A radiation exposure detection indicator and a radiation exposure detection element may be used in combination. The shape of the radiation exposure amount detection material may be any of a sheet shape, a card shape, a chip shape, and a box shape.

  Specific examples of the radiation exposure detection element are as follows. For example, an RPL element such as glass used in a fluorescent glass dosimeter using a radio photoluminescence (RPL) phenomenon in which a glass exposed to radiation fluoresces when irradiated with ultraviolet rays; a solid thermoluminescence phenomenon TLD elements used in thermoluminescence dosimeters (TLDs) using light; light that uses the light-stimulated luminescence phenomenon that fluoresces when light is applied to a substance that has accumulated energy by interaction with radiation OSL elements used in optically stimulated luminescence dosimeters (OSL); Radiation sensitive film batches using the phenomenon that photographic film with filters is blackened by radiation; Damage when radiation passes through insulating solids Insulative solids used in solid state track detectors Child: Electrode element used in an ionization chamber dosimeter utilizing the phenomenon of discharge caused by the ionization effect of radiation incident on an ionization chamber charged in advance; Semiconductor used in a semiconductor detector utilizing the ionization effect of a semiconductor Element: A photostimulated luminescence detection element (IP element) such as an imaging plate can be used.

  An example of trial production of radiation exposure management clothing to which the present invention is applied is shown below.

Example 1
The polymer compound vinyl chloride / vinyl acetate / polyvinyl alcohol copolymer was dissolved in toluene / ethanol (1: 1) as a solvent to prepare a 25% solution medium. 100 parts by weight of the prepared medium, 10 parts by weight of 2- (2-chloroanilino) -6-dibutylaminofluorane, which is a fluorane, is used as a color-forming electron donor organic compound, and 10 parts by weight of tribromoethanol is used as a radiation activator. Then, 20 parts by weight of cerium oxide as a radiation absorber was mixed to prepare an ink, and a composition for radiation dose history indicator was obtained. The composition obtained was applied to the front surface of a polyethylene film substrate with a pressure-sensitive adhesive on the back surface, and then dried to prepare an exposure dose detection indicator.

  As shown in FIG. 1, this indicator 11 was affixed to clothes cloth. A metal piece 15 which is a radiation exposure avoidance position indication mark was attached to one of the fractions 12 of the indicator 11 to obtain a radiation exposure management garment 1.

  The shoulder portions 23 and 26 of the garment 1 were closed with hook-and-loop fasteners, and the garment 1 was put on a patient. The position of the garment 1 was adjusted with the clothing positioning marks 22, 24, and 29, and finally the front alignment portions 28 and 29 were closed with hook-and-loop fasteners, and preparation for radiation irradiation treatment was completed in a few minutes. IVR treatment by X-ray was performed avoiding the vicinity of the metal piece 15. After that, the hook-and-loop fastener was peeled off, the patient was lifted several centimeters, the clothes were pulled out and removed in just a few seconds.

  Although the color tone of the fraction irradiated with radiation by performing the IVR treatment changed to black according to the amount of radiation exposure, the color tone of the fraction around the metal piece did not change.

  In place of the radiation exposure detection indicator, a radiation exposure detection element such as an RPL element, TLD element, OSL element, radiation sensitive film batch, insulating solid element, electrode element, semiconductor element, or IP element may be used. The amount of radiation exposure could be detected as a digital amount or a change in color tone.

  In addition to X-rays, similar results were obtained by radiation therapy in which radiation such as gamma rays, neutron rays, proton rays, heavy particle rays, and electron rays was irradiated.

  The radiation exposure management garment is used for managing the radiation exposure amount of the patient at the time of radiation medical care and the worker at the time of radiation measurement.

It is a rear view of the radiation exposure management clothing to which the present invention is applied.

It is the schematic which shows the use middle of the radiation exposure management clothing which applies this invention from the front side.

Explanation of symbols

  1 is a radiation exposure management garment, 2 is a radiation irradiation device, 11 is a radiation exposure amount detection material, 12 is a fraction, 13a, 13b, 14a and 14b are hook-and-loop fasteners, 15 is a radiation exposure avoidance position indication mark, and 21 is a back side. Neck circumference, 22 is a clothing positioning mark notch, 23 is a back shoulder opening, 24 is a clothing positioning mark line, 25 is a side, 26 is a chest shoulder, 27 is a chest neck, and 28 is a front fitting part , 29 are clothing positioning mark notches.

Claims (6)

The radiation exposure detection material is attached to the clothing fabric according to the body part of the patient whose radiation exposure is to be detected, while being fractionated in a grid or stripe pattern .
A clothing positioning mark, which is at least one of a plurality of notches carved into the clothing fabric to match the body part and a plurality of lines appearing on the clothing fabric to match the body part, is attached. Each fractionated fraction is given a unique identification code selected from letters, numbers, symbols, and patterns for identifying the radiation exposure amount and position on the skin at the irradiation position of the patient. Radiation exposure management clothing characterized by   The radiation exposure management garment according to claim 1, wherein the garment is a vest, a long-sleeved dress, or a yukata.   3. The radiation exposure management garment according to claim 2, wherein the vest is made of a single piece of cloth and is pre-matched, and a detachable fastener is attached to the front-matching portion and the shoulder portion. . The radiation exposure management garment according to claim 1, wherein the garment fabric is a material made of natural fiber or synthetic resin which is not easily displaced by the clothing positioning mark and is not easily displaced .   2. The radiation exposure management garment according to claim 1, further comprising a radiation exposure avoidance position indication mark. The radiation exposure management garment according to claim 1, wherein the plurality of lines are fitted from the shoulder to the base of the arm, and the plurality of notches are fitted along the spinal column.

Images