WO2014174238A1 - Tapis comprenant des doigts permettant de saisir un tube de cathéter - Google Patents

Tapis comprenant des doigts permettant de saisir un tube de cathéter Download PDF

Info

Publication number
WO2014174238A1
WO2014174238A1 PCT/GB2014/050501 GB2014050501W WO2014174238A1 WO 2014174238 A1 WO2014174238 A1 WO 2014174238A1 GB 2014050501 W GB2014050501 W GB 2014050501W WO 2014174238 A1 WO2014174238 A1 WO 2014174238A1
Authority
WO
WIPO (PCT)
Prior art keywords
fingers
mat
mat according
tube
insertion tube
Prior art date
Application number
PCT/GB2014/050501
Other languages
English (en)
Inventor
Robert Butcher
Mohammed AFZAL
Original Assignee
Keymed (Medical & Industrial Equipment) Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Keymed (Medical & Industrial Equipment) Limited filed Critical Keymed (Medical & Industrial Equipment) Limited
Publication of WO2014174238A1 publication Critical patent/WO2014174238A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131—Accessories for endoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body

Definitions

  • the present invention relates to a oat t more
  • the operating doctor may a tempt to maintain the position of the endoscope insertion tube when performing a manual task by clamping tne insertion tubs between their leg and the bed to temporarily cold the scope in position, before releasing their hands from the insertion tabs .
  • the doctor may attempt to manipulate the patient's body to bold the scope in position against an anchor point, such as the bed ⁇
  • the array al loans the cat: to bold the insertion cube in saury different aonf garations ,
  • the proeoat invention also redoces the risk c 0 scope deoege caused by erusbi:eg : as the foroe on. the ; a car;: hoc
  • the insertion tufas c be rata Lac a between the f iruyers of the vert s - ;.y by the grip provided by ahj a cent fingers ahan theya are deformed by the insertion tube.
  • Advantageous i go at leant
  • the enlarged head may be of amy suitable con iguration, so.cn an a circular, conical, or frustoc ni ai ca , or a mushroom-shaped head.
  • the enlarged head is sabstauttally spherical.
  • Such a sha provides for easy insertion and remov l of the i s r s on tube from the fingera of the o t while still providing suf icient resistance to unintentional release of the tube f om the mac.
  • the enlarged hea may oin the stem of the finger with a sharp corner.
  • a. fillet is provided at tire unction, between the enlarged head and the finger to
  • the fingers have a rubberised and/or teuturisad surface. This provides greate friction between the insertion tube and the fingers to reduce the risk of unintentional removal of the insertion tube from the isai
  • the ma may he a passive device, i.e. one in which the fingers deform, in response to an external force, such as that of the insertion tube being pressed between the fingers and rewards she base of the mat by the operating doctor, hlternat ivelyt the mat may include an activation device and at least some of the fingers may be actively deformable upon corneand frost the activation device to increase the grip on the insertion tube.
  • the actively deformable fingers may be formed, from a. smart material and/or may be at least partly inflatable ,
  • the actively daformable fingers which are at least partly inflatable may he entirely inflatabl , or inflatable at any point along their length in order to grip the insertion tore upon cotmaarid from the activation device.
  • each actively deforoahle finger has an inflatable bladder at its hiatal end.
  • Th activation device may he con igured for operation by hand, or a om tical ly euch as hy the use of censo a .
  • the activation device has a foot pum or foot switch. This allows .hands - iree operation of the activation device without the need for censors and further control aearun for example by opening a relief valve to release air from inflated lungers to allow the insertion she to be released from the mat.
  • the fingers may be from 1 cm to 1.5 cm long.
  • tire fingers are at ieaet l.S cm loony In a preferred embodiment, the fingers are between 20 and 2S m long ⁇
  • the array of fingers may he arranged in clusters of one or more pairs and/or with a different density in different parts of the mat to allow the mat to provide different levels of grip as desired.
  • he array may he arranged with a different density of fingers.
  • Preferabl s the array is a uniform grid, with fingers arranged in aligned rows and columns. This enable secure and eonslatent gripping o ls insertion tube regardless Of the orientation of the mat.
  • the minimum ciearunce between the enlarged head of adjacent fingers may vary depending on the diaoetar of the insertion tube with which the oat will be used. This can be achieved either by using different oats for different diameter tubes, or by having areas on one o t with differing minimum clearances . The latter arrangement allows one mat type to be used for several different diameter tubes-.
  • the fingers are arranged in the array with a minimum clearance of at least S mm between, the enlarged head of adj acesit fingers fire
  • the base surface may be carved to allow the mat to be fitted over a rounded surface whan in use.
  • the base surface is planar, thus allowing the met to be stable when placed on the bed.
  • the base surface ay be any suitable shape when viewed from above, such as rectamgulaxc or circular*
  • the base surface has an outer edge which is shaped to fit around a patient. This allows the mat to be placed close to the patient axed point of insertion, reducing the length of unasserted tube betreen the oat and the patient and thus reducing the mo ement of the endoscope tin relative to the mat ,
  • the fingers say be arranged over the entire base surface of the mat. or over substantially the entire base stirface with a margin around the edge.
  • the base surface has a portion which, is substantially tree of fingers nd arranged such, that the portion can tit codec and bo gripped by a pa ient ! e body . i h this air3 ⁇ 4sge3 ⁇ 4en , the weight of the patient's body may be used to hold tha pat in place
  • the mat may he arrang d tor uee with any type of eohoccope , for exa le gaatroscopasp huodenoecopec ;
  • the ma teay have a rubber iseh non-chip surface on its oederride to hold it in poc.t ion doring nse.
  • At least SCM of the fingers comprise a reinforcing material arranged to incre s finger stiffness .
  • the fingers may he fined co the bane corface .
  • at least some of the fingers are removable from the base so isen , This aliens greater flexibility mi id- regards to the arrangement of the fingers.
  • the removable fingera are each slidehie mithin a hole in the base surface such that they may he removed. Thin provides a. straight- forward and secure connection of the fingers co the base surface . e mat m y be simply placed on the bod next to the patient.
  • the oat farther comprises a belt attached to the base surface for securing the mat to a patient aaa/ ' or a bed on aidoh the patient is S disposed.
  • Figure 1 la a plan view of a mat according to a first oohod inent of the p esort:, invention
  • Figure 2 is a partial section, perspecti e view taken through the line XI ⁇ IT of Figure I;
  • S Figare is a plan view of the oat of Figare i . showing the mat being used to retain the insertion tube of an endoscop ;
  • Figure 4 is an enlarged, partial porepeotive aide view of the mat of Figure 1 r showing the mat being used to retain0 the insertion tube of an endoscope;
  • Figure 5 is a plan perspective view of a mat according oo a second embodiment of the present invention.
  • Figure e is a side view of the tips of the inge s of the mat of Figure 5 ;
  • t Figure ? is a bottom, perspective view of part of the mac of Figure S, showing a finge partially removed, from the base surface
  • Figure 8 is a plan view of the baee surfsee of the mat of Figure 5 with a first arrangement of holes;
  • Figure is a bottom perspective view of. the mat of
  • Figure S with an alternative arrangement of holes Figure 10 ta a. bot om; pars eccav view of part of the m t of Figure 5; and
  • Figure 11 la a aide perapeeti ae view o the oat of Figure S attached to a bad d ad cen to a patient, a.a illuafrated i.a Figures 1 aral 2.. mat 10 aoaipriaes a plaxraa baae surface 12 fros3 ⁇ 4 ehtab a. plurality of fleaible tlagera 14 upwardly exceed la a direct.ear- gaaarrally
  • the flayers 14 are arranged on the base surface 12 in a a.ax eea grid to fore an array 16 covering the read ori y of the baae surface 12,
  • the aeeaaeder of the base surface 12 is left free of iieaex a to fore a margin 1» around the edgea of he: baae surface 12.
  • haaa finger 14 la agproaieately 20 to 25 oo long and.
  • the array 10 is areaaand. on the baae surface 1.2 such that adjacent fingera 14 in each row/eelxaaa of the grid are epaeed at ana.fore; intervala baaed upon she diameter of the tube with which., the oat 10 will be used, a!oag with th stirfneae of the fingera 14.
  • the grid should he arranged so that the distance between the centralinea of adjacent: ring rs 14 is not loss than too diameter of the insertion tub® oiob h ch it ill be used and the distance bet een the enlarged heads 22 at their closest part, i.e. "the min mum clearance*! is at least 5 mm lecc than the diameter of the .insertion tube..
  • the ma 3.0 is intended for use with an insertion tube for a
  • colonoscopy tha insertion tube having a diameter of 12 to 13.2 re . ons, the fingers 14 are spaced at 1? em
  • the met 10 may foe formed from: any suitable oaterial and by any suitable me hod, For eramp! e , the outer surface of the mat 10 is formed from an autoela-/able material .. saeh as silicone rubber using an injection moulding tool (not shown) with a series of slides to form the enlarged heads 2 ...
  • the stiffening structures 26 are formed from a material which is denser than that of the rest of the at 10, for example polypropylene, polycarbonate . , or polybutylene terepnthsclate, and are positioned within the tool prior to the injection of the outer material, wnich is then orereouided to fir. the stiffening structures 26 in place..
  • the mat 10 is positioned at the foot of the bed (not shown) close to the patient and the point of .insertion, with the fingers 14 pointing upwardly.
  • the mat 10 is positioned at the foot of the bed (not shown) close to the patient and the point of .insertion, with the fingers 14 pointing upwardly.
  • the tune 40 is simply pulled upward against the enlarged heads 22 to flea the fingers 14 away from the tube 40 and acre the heads 22 apart.
  • the tube 40 can then pass between, the heads 22 and be removed from the mat 10, Is.
  • the fillets 24 also act to reduce the effort required to entrant the tube 40 from the fingers 14 by smoothing the transition from the stem 20 to the enlarged head 22 of each finger 14. hhen the -rat 10 is no longer required; for example once a particular endoscopic procedure is com lete; it may then he clinically disposed of or sterilised and re- used .
  • Figures 5 to 11 show a mat 11 according to a farther embodiment of the present isvent .loo.
  • Mat 110 is similar to mat 10 but, rather than having enlarged heads .. fingers 11 instead have a plurality of nodules or spikes 122 f as shown in Figure t f to temporarily retain the insertion tube (not shown) between adjacent fingers 114.
  • Fingers 114 are inserted in. holes 113 through the base surface 112 and are slidable relative to the base surface 112, as shown in
  • bach finger 114 has an enlarged base lit. which is wider than the diameter of its respective hole 113. t to prevent the finger 114 from assing completely through the hole 113.
  • he holes 113 may be positioned in one or more areas of the mat i 1o aact as in one corner us shown i Figure 3.. or in a grid, at sho in Figure 3 : the latter arrangement allowing greater flexibility with regards to the arrangement of the fin ers 11 , so the fingers 114 are removable, different length fingers 11 can be provided with the mat 110 to allow the mat lit to be adapted depending on the needs of the patient.
  • fingers 114 with a length of 1 cm or more could be used for larger patients with whose the point of entry into the patient is generally further from th® bed. With longer fingers 114. the insertion tube la held by the fingers 114 further from the base surface 112 and close to the point of entry, thus reducing the length, of insertion tube between the seat 110 and the point of entry. Further, the fingers 114 can. be pushed through the holes 113 of the; base surface 112 in either direction f as shoes in Figure 10, such that tne mat 110 is reversib e .
  • Mat 110 also includes a belt 112 passin through belt holes 114 in diagonally opposed corners of the bass surface lit to allow the mat 110 to be secured to the bed 116 by passing the belt 132 around the underside of the bed lit : as shown in Figure 11. or by strapping tne belt 132 around the patient's leg or legs lis.
  • the belt holes 134 are provided in each corner of the base surfare 112 to allow the
  • mat 110 is sed in a similar manear to mat 2.0, During an dosc ic procedure, ha the operating doctor is required o free u one oh hia hands , he may prase the eaiinserted lengt of insertion tribe dossawardly against the tips of two or more finger 11 and towards t e bass surface 112. This mo ement eacsee the fingere 114 to flex away from the insertion tube to allow the insertion tune 40 to aen between adjacent fingere 114. The finge a 114 then return to an upright position to grip the insertion t else with the nodules 122 and hold it in place, allowing the operating doctor to perform manual taste without the need to hold the ineertion tube.
  • the tube is e imply pulled upward againet the nodules 121 to flea the fingers 114 away from the tube and allow the tube to he removed from, the mat 10.
  • the base su face 12 and fingers 14 could he eonidea separately and the fingers 14 pressed through, holes in the base surface 12 to fo e the mat 10-
  • the base surface 12 could be injection moulded with integral finger status 20, with the enlarged beads 22 being mo lded separately and subsequently attached to the sterna 20 In order to sirvpiify the tooling required to form the mat .
  • the fingers 1 could be hoilot? and the stiffening st uctures 26 pressed through, the base surface 12 and into the fingers 14 from underneath .
  • the holes 134 may be positioned in any suitable ooa ies on. the base surface 112 s or may he dispensed with entirel along eith the belt 132, Equally ⁇ mat 10 is usable nd.th or without a belt or halt holes .
  • mat 100 Like mat 100 f mat it could also be treeidea nitb.
  • nodxu.es/spihes 122 to retain the insertion tube either in addition to or instead of enlarged heads 22.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Endoscopes (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne un tapis (10) permettant de tenir temporairement une partie du tube d'insertion (40) d'un endoscope au cours d'une intervention médicale, de sorte que le médecin puisse relâcher sa prise sur le tube d'insertion (40) pour réaliser d'autres fonctions, sans que le tube (40) ne glisse ou ne se torde par rapport au patient. Le tapis (10) comprend une base (12) possédant un réseau de doigts (14) saillants flexibles. Au moins une partie des doigts (14) comprend une pluralité de nodules ou pointes (122) à leur surface pour améliorer la prise du tube d'insertion (40) d'endoscope. D'autres fonctions d'amélioration de prise peuvent également être proposées.
PCT/GB2014/050501 2013-04-24 2014-02-20 Tapis comprenant des doigts permettant de saisir un tube de cathéter WO2014174238A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201307393A GB2507137B (en) 2013-04-24 2013-04-24 A Mat
GB1307393.7 2013-04-24

Publications (1)

Publication Number Publication Date
WO2014174238A1 true WO2014174238A1 (fr) 2014-10-30

Family

ID=48579573

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2014/050501 WO2014174238A1 (fr) 2013-04-24 2014-02-20 Tapis comprenant des doigts permettant de saisir un tube de cathéter

Country Status (2)

Country Link
GB (1) GB2507137B (fr)
WO (1) WO2014174238A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742824A (en) * 1986-11-19 1988-05-10 Hugh W. Payton Oxygen tube support patch
WO1997015342A1 (fr) * 1995-10-24 1997-05-01 Venetec International, Inc. Dispositif de fixation d'accessoire de catheter
WO2005104776A2 (fr) * 2004-04-27 2005-11-10 The Uab Research Foundation Appareil de stabilisation d'un tube
US20070167915A1 (en) * 1997-05-29 2007-07-19 Venetec International, Inc. Medical line anchoring system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1471609A (en) * 1974-07-04 1977-04-27 Downs Surgical Ltd Holder for elongate articles
US6134754A (en) * 1999-04-16 2000-10-24 Merit Medical Systems, Inc. Line keep
US8523824B2 (en) * 2008-07-08 2013-09-03 Vascular Solutions, Inc. Guidewire and catheter management device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742824A (en) * 1986-11-19 1988-05-10 Hugh W. Payton Oxygen tube support patch
WO1997015342A1 (fr) * 1995-10-24 1997-05-01 Venetec International, Inc. Dispositif de fixation d'accessoire de catheter
US20070167915A1 (en) * 1997-05-29 2007-07-19 Venetec International, Inc. Medical line anchoring system
WO2005104776A2 (fr) * 2004-04-27 2005-11-10 The Uab Research Foundation Appareil de stabilisation d'un tube

Also Published As

Publication number Publication date
GB2507137B (en) 2014-10-15
GB2507137A (en) 2014-04-23
GB201307393D0 (en) 2013-06-05

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