CA1313041C - Measuring tape for directly determining physical treatment and physiological values - Google Patents

Measuring tape for directly determining physical treatment and physiological values

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Publication number
CA1313041C
CA1313041C CA000546191A CA546191A CA1313041C CA 1313041 C CA1313041 C CA 1313041C CA 000546191 A CA000546191 A CA 000546191A CA 546191 A CA546191 A CA 546191A CA 1313041 C CA1313041 C CA 1313041C
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Canada
Prior art keywords
tape
measuring
measuring tape
indicia
heel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000546191A
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French (fr)
Inventor
James B. Broselow
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Individual
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Individual
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Publication date
Priority claimed from US06/910,490 external-priority patent/US4713888A/en
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Publication of CA1313041C publication Critical patent/CA1313041C/en
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Expired - Lifetime legal-status Critical Current

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Abstract

ABSTRACT OF THE DISCLOSURE

A measuring tape (10) has indicia thereon for measuring a patient, the indicia representing increments of a physical treatment or physiological value based upon a correlation between the length of a patient and that value. Drug dosages, tube sizes and medical equipment settings, such as defibrillators, are examples of the type of value which can correlated to body length and placed on the tape (10).1

Description

~ 31 3041 91021-2 RDF:jy MEASURI~G TAPE FOR DIRECTLY DETERMINING
P~YSICAL TREATHENT A D P~YSIOLO CAL VALUE5 TECHNICAL FIELD AND BACKGROUND OF THE INVENTION
This invention relates to a quick yet nevertheless accurate way of determining physical treatment and physiological values. The invention is particularly useful in an emergency, intensive care, or surgical environment where accurate determination of body weight has, in the past, been important in determining proper medical treatment values, such as drug dosages, etc., yet difficult to obtain because time is of the essence and scales are either not available or impractical to use because of the patient's condition.
Furthermore, as medical treatment has become more complex, drug dosages have become more critical. Since most drug dosages have been based historically on the body weight of the patient, the physician must first estimate the weight of the patient, then either consult tables to determine the appropriate dosage, or determine the dosage by memory and then multiply dosage times estimated weight for each drug. In either case, the possibility of error is present and in fact enhanced by / -, /

D
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,~ ~

: 1313041
-2-the pre~ure o~ time and circumstance which o~ten attend emergency medlcal treatment.
However, it has been recognized that in many cases weight is an inaccurate and inappropriate basis on which to d~termine phy~ical treatme~t values, ~uch as drug do~ages, tub~ len~ths and ~izes, m~dical ~qulp~t 8etting8 and ~o forth. Yet, weight remain~ the most co~mon way of deter~inin~ thes~ values. In many cases, len~th i~ a much more approprlate way to determine many phys~cal trQatment values. For ~ample, the length sf an endotracheal ~ube i8 very closely related to the overall length o~ a patient, wheth~r that patient ~8 und~rweight, overweight or of an ideal welght.
Llkowise, it is now known that an obe~e patient weighing nificantly ~ore than a patlent of normal weight will certainly not need a proportional increa~e in the dosage of ~o~t drugs and, in fact, can be dosed to toxic levels in this way. Thi~ i8 becau~e many drugs di~tribute only in the lean body tis~ue. Yet, patient treatment valu~
are till ~05t often determined by estimat1ng ~he pati~nt's we~ght.

~UMMARY OF TH~ INVENTION
Therefore, lt is an ob~ect of ~he inven~ion to provide a ~easuring tape which permits direct and : t313041 : --3--accurate ~eltermination of physical treatment and physiologiczll valu~.
It i8 another ob~ect of the lnvent~on to provid~ a measurin~ tape which include~ indicia thereon which provide~ dlrect re~erence to drug dosages, ~oule 8~tting8 for defibrllla~ors, endotracheal tub~ 8ize8 physiological param~ter~ suc:h as ideal weight~, growth and d~velopm~nt averages and th~ 1 ilce~ .
It is yet another obJect of the present invention to provide a me~asuring tape which may be attached to a stretcher or ~he like for determi~ation of phy~ical treatment and phy~iolo~ic~l value~ without reference to welght or l~ngth charts or correlatlon table~.
The~e and other ob~ect and advantages of the pre~ent invention are achieved by provlding a measuring tape having indicia correlating body length to phy~ical treatment and physiologlcal valu~ for per~ittin~ quick deter~ination of medical treat~t values. Accordin~ to a preferred embodi~ent of the in~ention, the tape : compri~e~ ~ ~lexible strip retractably and ~xtenslbly mounted within an enclosurQ. The enclo~ure may be ~tationarily mounted a~ a ~ixed position on a body supporting ~urface for permittlng the tape to be ext~nded for ~e~suring the body ~nd ~hen retract~d ~nto the ~nclosure for storage, or af~ixed per~anently in it~
elongat~d po8ition along thQ length of a body supportin~

_4_ ~313041 ~urfac~ for permitting ~h~ tape to be visually ref~rred to in r~lation to th~ body lying on the ~ur~ace without manipulation.
Açcordin0 to various embo~lment~, th~ lndicia on the tape may compri~e body weight indicia; drug do~ages correlated to body weight, Joule ~or defibrillation machin~ ~ettings eorrelated to body w~ight, or endotraoheal tube ~izes correlated to body weight.

BRIEF D~SCRIP~ION OF TH2 DRAWINGS
Thes~ and oth~r ob~cts o~ the pr~sent invention will b~ further explained wlth reference to th~
following drawln~s, in which:
Figur~ 1 i a p~rop~ctive vlew o~ one embo~im~nt of the measuring tap~ according to the pre~ent invention;
Figure 2 i~ an ~nlarged ~ragmentary view o~ the tape shown in Figur~ 1 in accordanc~ with on~ embodiment oP th~ i~vo~tion;
~ igur~ 3 i~ an enlarged fragmentary view oP the tape 3hown ln Figur~ 1 in accordance with a~other e~bodiment o the lnvention;
Figur~ 4 i8 a per~pective view illu~trating the ~anner of uoage of the ~mbodiment shown in Figure 1;
~ igur~ 5 i8 a slde el~vational view o the measuring tapo according to another embodi~nt o~ th2 :

inve~ntion wherein the tape 1~3 mounted for use on the side of a 3tretc:her; and Flgur~ 6 i8 a ~ld~ vational view of the measuring ~tape accor~ing to ano~h~r embodlm~nt of the invention where~n the tape i8 a~ffixed to the side of a stretcher in its ext~llded ~ortn.

D~SCRIPTION OF TH~ PREFERR~D 1~MBODIMEMT
Referring now specifically to the drawings, a measuring tape according to one embodl~ent of the invention i8 shown in Figure!~ 1 and :Indicated broadly at r~erence nur~eral lO. Tape 10 can be constructed wlth numarou~ dl~fering phy~Jcal characteristics.
Preferably, tape 10 compri~es a st~el-type tape having a cupped cros~-~eotion whi~h provid~s increa~ed rlgidity to the tape y~t allo~s flexibility when n~eded.
Accordin~ to the ~mbodiment shown in Figure 1, the tape i8 retractably mounted in~i~e an enclo~ure 11. On~ end of the tape 1~ connected to a ~pring return mechanism ~not ~hown). Measurlng tape 10 i~ u~ed by withdraw~n~
the tape ~rom enclo~ure 11 by means of a rin~ 12. ~o retract the tape, a button 13 on top o~ enclc)sure 11 i9 pu~hed which cause~ tape 10 to retract into enclosure 11. A belt clip 14 i8 provided 80 that the enclo~ure 11 can b~ secured to the u~r 1 8 b~lt or a pocket.

Re~erring now to Flgure 2, a view of a portion of moasuring tap~ 10 i~ shown ln more detail. As can be seen, the tape 10 i8 provide~ with indicia 20-35. ~ach indicia repr~sent a l~ngth o~ measurl~ tape 10 correlat~d to body wei~ht ln kllograms. A~cordlngly, by measuring the body o~ the patient ~rom head to to~, the id~al or loan body waight o~ the patien~ can be determin2d dire~ctly.
By body w~ight 18 maant 8tati8tic~ from the National Cent~r for Health Statistic~ whi~h have b~n used to plot the ~tati~tioal relationshlp between we~ght and length variable~-~or nor~al children. The fi~tieth percentiles ~or boy~ and girls have b~en averaged to ~ake a single table o~ len~th-welght relation3hips.
Thi~ data has be~n tran po~ed onto tape 10 which, i~
accordance with ~tandard medical nomenclature, i8 marked in one kilogra~ increments. Thi~ information 18 derived ~rom a ~tandard ~edical t~xtbook, entitled Nel~on Textbook of Pedlatric~, 12th ~d. 19~9, Library of Congres~, Cat.Card No. ~i-48409. (W.B. Saunder~
Compan~). Thi~ ln~ormation i8 summarized ln Table I, below:
: KG C~NT INC~ES

4 5~.4~ 21.44 58.~4 22.93 6 62.~8 2~.64 ~ 63.14 24 86 8 67.67 26 6 9 71.93 28.32 :

.

7~ . ~6 2g . ~8 11 ~2.8~ 32.60 12 85 . ~3 33 . ~5 13 93 . 00 36 61 14 96 . ~3 38 1~
9~ . 14 38 . ~5 6 10~ 53 18 10~ . 04 42 93 19 112 . 30 4~ 21 1 15 . 49 45 4~
21 ~18 . 43 46 . 63 22 120.9~ 47 64 23 123 . ~8 48 73 ~4 125 . g6 49 . ~9 127 . g9 50 . 39 2~ 129.92 51.1~
2~ 131 . 7~ 51 . 88 28 133 . 52 5~ . 5 29 135. 1~ 53 2~
: 30 1~6 . ~2 53 ~7 31 138 . 70 54 . 61 32 1~0. 31 55 24 ; 33 141 . 69 55 78 34 143 . 00 56 . 30 144 . 2g 56 . 81 ` 36 145 . g3 5~ . 45 37 14~ . ~1 58 . 15 38 149 . ~8 5~
; 39 150 . 6~ 59 . 32 152 . 03 59 . 86 ~1 153 . 32 60 . 36 42 154 . 61 ~0 8~
43 ~55 . 66 61 28 Of course, other welght tabl~s can be used and separate measures can be u~ed for boy~ and ~lrls. It ha~ been found that c:orrelatinçl weight and length in thl~ mann~r achieves a much more accurate r~ult than merely vioually estimating body weight based upon the overall 8iZ~ 0~ the chlld--~he pro~edure IlOW comDIonly f o l l o~ed in ~mergancy room~ . The w~ight f igures used are for "l~anl', or ideal body weight. There~ore, the sei~surln~ t~pl~ lO Auto~atl o;-l ly telces Into ~ooo~mt thet, :
13130~1 .. --~3--for example, drug dosage does not increase in dlrect proportion ~o an incr~ase in we~ight. This ir~ desirable ~ince most emergency drug dosayes are based on "lean"
body ~eight ~3ince drugs do not di~tribute into fatty ti~ue at th~ same rate or to the same extent as lnto orga2l and muscle tissue during the time frame o~
emergency tr~atm~rlt.
The t~rm "physlcal treatm~nt values" i8 used throughout and has thu~ far ha~ referred to drug dosages and endo tracheal tubes lengths . ~any other value~ can be correlated in tbe same ~anner, such as de~ibrillator settings, catheters, intravenous lines and the like.
The term "phy~iological values" has be~n used and can refer to, ~or example, ideal weight per unit o~ length, calor ~ e r~quirements ~or a giv~n length, blood pressure parameter~ and even information concerning when certain level~ o~ growth and d~velopment Qhould be attained.
Tlle tap~ can al80 be uoed to guide parents in taking children for medical and dental examinations, and when certain 9tepo relating to per~onal and dental hygiene hould b~ comDt~nc~d.
Referrlng now to Figure 3, a stlll more detail~d view of tape 10 i8 shown, speci~ically indicia 26-30.
Here it can b~ ~een that several items oiF useful informatio~ have been actually r~produced on measuring tape 10. In addition to seve~ral commonly prescribed drugs, a d~fibrill~tor ~etting ln ~oules and an endo-tracheal tube siz~ ha~ beQn provided for quick ref~rence by an em~r~ency room physician or paramedic.
In addition ~o or in substltution o~ so~e or all of th~ indicia shown in Figure 3, information concerning anesthe~ia do~ag~s, antibiotic dosage~ and twenty-four hour maintenanoe ~lu~d regulr~ent~ can be included. In fact, any information which i8 ba~ed on body l~n~th or id~al body weight can be placed on mea~uring tap~ ~0.
In addition, m~a#urlng tape 10 can be used in a number o~ different ways. A~ hown in Pigure 4, the tape can be us~d a3- i9 a conventional measuring tape.
That i8, the enclo~ure 11 i~ placed at one end of the patient and the mea~uring tape 10 i8 ~xtended ~o that the ring 12 of measuring tape 10 i~ at the other end of th~ patient. Then, the w~ight or other weight-correlated in~or~ation i~ read directly off of tape 10, a describQd above.
As 18 shown in Figure 5, enclosure 11 can be mounted at th~ head or foot end of a stretcher. ~hen a patient i8 placed on th~ tretcher, a measurement can be tak~n by ext~nding ~easuring tape 10 downwardly along the leng~h o~ th~ str~tcher to the other end of the body. Anoth~r variation o~ the lnvention i8 shown in Figure 6, wher~ a m~asurlng tape 10' i~ flxed along the length of a ~tretoh~r 80 that a readlng can b~ tak~n ``\

`, 1 13~30~1 -- o--directly without manipulating the tape at all. It i~
only necessary to mak* ~ure that on~ ~nd of the body 1 ad~acent one end of th~ tape.
Th~ tape lQ has been described above with reference to total heel-to-crown body l~ngth. However, the term "body length" as us~d h~rein al~o r~ers to any body Part length or body subsegment length to which a desired valu~ can b~ correlat~d.
A mea~uring tap~ 1~ de~cribed above. Various detalls of the invention ~ay be changed without departlng ~rom its ~cope. ~urther~or~, the foregoing description of th~ pre~errQd ~bodi~ent of a measuring tape according to the pr~sent ~nv~ntion i~ provided for the purpo80 of illustration only and not for the purpo~o of limitation--tho invention being defined by the c l ~

, ':
,:

Claims (8)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A measuring tape for maesuring the heel-to-crown height of a patient, said measuring tape having indicia thereon representing increments of a physical treatment value based upon a direct correlation between the heel-to-crown height of a patient and that treatment value.
2. A measuring tape according to claim 1, wherein the indicia on said tape comprises drug dosages correlated to heel-to-crown height.
3. A measuring tape according to claim 2, wherein the indicia on said tape comprises medical equipment sizes.
4. A measuring tape according to claim 3, wherein the indicia on said tape comprise joules for defib-rillation machine setting correlated to heel-to-crown height.
5. A measuring tape according to claim 1, wherein the indicia on said tape comprise endotracheal tube sizes correlated to heel-to-crown height.
6. A measuring tape according to claim 1, wherein said tape comprises a flexible strip retractable and extensibly mounted within an enclosure.
7. A measuring tape according to claim 6, wherein said enclosure is stationarily mounted at a fixed position on a body supporting surface for permitting the tape to be extended for measuring a body and then retracted into the enclosure for storage.
8. A measuring tape according to claim 1, wherein said tape is affixed permanently in its elongated position along the length of a body supporting surface for permitting the tape to be visually referred to in relation to a body lying on the surface without manipulation.
CA000546191A 1986-09-23 1987-09-04 Measuring tape for directly determining physical treatment and physiological values Expired - Lifetime CA1313041C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/910,490 US4713888A (en) 1985-10-21 1986-09-23 Measuring tape for directly determining physical treatment and physiological values
US910,490 1992-07-08

Publications (1)

Publication Number Publication Date
CA1313041C true CA1313041C (en) 1993-01-26

Family

ID=25428863

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000546191A Expired - Lifetime CA1313041C (en) 1986-09-23 1987-09-04 Measuring tape for directly determining physical treatment and physiological values

Country Status (1)

Country Link
CA (1) CA1313041C (en)

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