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co 1b1

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About co 1b1

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  • Birthday 06/10/1950

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  • Location
    The Netherlands
  • Interests
    real motorcycles (H-D), sports, beer, jazz & blues, coconuts, scuba-diving, the genuine Dutch Nederwiet and ofcourse surfin' the wwweb

Profile Fields

  • Membership Type:
  • Amputation Type:
    leftside below knee; revisions
  • Amputation Date:
    March 23, 2001
  • Amputation Cause:
    motorcycle crash into uncoming car
  1. co 1b1

    Testrun on Össur Proprio foot

    @ Shane: no sweat, make as many copies as you like for as many people who needs them... it's all yours! @ Sue Taylor: not sure about the actual price, but sometime, somewhere I heard someone mention the amount of 7000 euri, only for the foot... Thanks everyone for your positive reactions on my review, it was a pleasure to do.
  2. co 1b1

    Testrun on Össur Proprio foot

    It was just a short try on the Proprio and to feel the effects of a prosthetic foot is a very personal matter, ali.hal. But to give my humble opinion to your questions: I think the strength of this foot is the easyness to walk slopes up and down. So if you live in an environment with hills and mountains it will be an approvement to walk on in daily low to moderate activities. The surfaces have to be even, otherwise the compensating effect will be less. Here in Holland the main part of the country is flat so I cannot use this advantage. But the foot walks very natural to me and I think that's another strong point. During the day it will save an amount of energy and the stress on my residual limb will be less. For walking and doing less active work I would choose the Proprio when my assurance would pay for it. But I still have to keep my old Modular III to do sports, riding my bicycle and motorbike, dive, ski, go on vacations... Ir would not be my only and all-round choice. I see this Proprio foot as the first step in a new generation of microprocessed and motorized feet. More like a similar development as the MPK (MicroProcessedKnees) to the Power Knee of Össur. The next model will be better, lighter, cheaper, suitable for AK's. Sofar it was worth to try, see where this will lead to in the future....
  3. co 1b1

    Testrun on Össur Proprio foot

    It's allways a pleasure to be of informative help to fellow-amputees Higgy, forget it. I in my turn got a lot of info in the past when I needed it... and am still recieving valuable information from this and other fora! The Proprio needs a first step to adjust to an altered surface height between heel and toe. After that first step it has measured the new situation and makes the needed adjustment to compensate the difference in heel-toe position. So the first step down a slope the foot doesn't compensate but the sensor recognises a different stiuatition which will be procesessed and send to the motor unit. This motor adjusts the heel height and turns the toes a little down. The second step down the slope the foot is properly adjusted so that it stands flat on the slope, the prostheses kept straight up. Doing so it prevents the wriggle of the residual limb in the socket. This situation remains until the slope is at the end. Then the surface is flat again. The first step of the Proprio on the flat surface the toes are too low but measurements and reprocessing data make the neccesary adjustments for the second step and the Proprio is turned flat again. So it's allways on the second step that the Proprio foot is adjusted to a new surface situation. When I walk with the Proprio on a very uneven lawn, every step is different from the last and the foot is unable to make the proper adjustments. Even worst, it can make adjustments which contradict the stand of the leg: it can turn the toes down while you step on an upward slope or the other way around! Therefor I turned the self-ajusting mode off while walking uneven grounds. The Porprio is only suitable for low- and medium active use. For sports like running, jumping or biking you have to use a more ridgid foot. I only could use it for my daily activities, for practicing sports I have to switch over to my good old relyable Modular III.
  4. Last week my prosthesis gave me the opportunity to give the new micro-processed Proprio foot of Össur a test-run. On the Össur website you can read the features of this foot: Össur Proprio foot I have a left below-knee amputation since 2001 and I wear an Össur Modular III foot with a Seal-in suction system. The Proprio was attached by my prosthesist to my back-up socket. First the foot has to program itself by walking a distance of about 20 meters, than it adjusts to the walking caracteristics of the user by sensors, microprocessor and a motor-unit Manual adjustments are done with two buttons on the front, which give audiable beeps and added feedback by thrills through the residual limb. My first reaction after a few 100 meters: this foot is more like my own lost flesh-foot than anything I tried before! A regular foot gives you the feeling to "walk on a stick", not the Proprio. Walking on slopes the foot adjusts to the angle of downward or upward flexion and that decreases the friction of the stump in the socket and prevents flexing or locking the knee. Standing still on a slope for a longer time the Proprio gives you no tired feeling in the legs. When walking stairs the Proprio adjusts in a more flexed position so you can bring your weight forward. That makes going upstairs easier and downstairs I could place the foot completely on a stair to step over very easily. With my Modular III I place my foot half on the stair and kind of let myself fall on the stair below. Walking on a flat surface the Proprio allowed me a more natural gait and gave me the feeling that there was less difference between my own rightside foot and the Proprio. The less difference in feeling I have ever experienced between my real and any artificial foot. But the foot is rather heavy in weight. While sitting down on a chair, the weight of the Proprio foot flexes the toes to the ground. This gives you the opportunity to place the foot flat on the ground while seated. Normally you only have the heel to support the weight of the prosthesis. This gave me a more relaxed feeling while sitting longer periods. While driving a car this takes the stress from your prothesis leg as well. When changing shoes the Proprio can adjust itself to the proper toe-heel height difference so you do not have to adjust the prosthesis by turning screws or adding inlays. You can make your own adjustments to the foot with the push buttons on the front. If you do not like the self-flexing reactions in a peticular situation, you can turn this off. In this function the foot reacts like a medium active flex-foot. During walking in uneven terrain I did not like the self-adjusting flexions so I turned it off. My opinion after 2 hours of walking. Advantages: walks very much like a natural foot; less friction of stump in socket; more freedom in choosing different kind of shoes; walking slopes and stairs easier; walking costs less energy. Disadvantages: expensive and heavy; difficult for cosmetic covering; limited battery life; no high activities; not for AK's; sensitive to moisture; more fragile, anything added on a simple flexfoot can break down. If you get the opportunity to try a Proprio foot: I can recommend the experience! An impression by pictures on the Dutch KMK site: Proprio pics A short movie: Proprio movie I tried to write down these impressions in my best English, plaase react if there's anything I have to be more specific or more clear about.
  5. co 1b1

    Which foot to you prefer?

    In my opinion there's a lot of difference between feet, prefered for AK's and BK's from what I hear and read from fellow amputees. I, as a LBK am happy with a very light foot: a Össur modular III I have now for 3 years. Have worn a Ceterus wich is too heavy for me and a Vari-flex wich gave me a less active feeling. I can do without extra options as rotation- or shock dampening, too much added weight for extra's I do not really miss with the very simple but effective Modular III. However, with a artificial knee AK's react different on the extra weight, it gives them a certain advancement in the swing movement of the leg.
  6. co 1b1

    Seal In Liner vs. Pin System

    Every system has its advantages and disadvantages, Marilyn... as everyone knows. I had a pin-lock liner before my Seal-in and the milking effect was too much for me. My stump was red and sore at the distal end, so I had to try something else At that time (about 3 years ago) the Seal-in system was new and I was happy to try it. Now, after 3 years of wearing te Seal-in liners as a LBK I can tell endless stories of experiences in fitting sockets in many different ways: from done by hand to a laser-CAD/CAM system. Although Afet's experiences are much weirder.... At this moment I'm tired of losing suction many times a day, leaking valves and membranes, my leg falling off on awkward occasions... I'll have a new try to the pin-lock system next week.
  7. co 1b1

    Happy Birthday Co1B1

    Thank you lovely girls, for not forgetting a lonely boy in a small country! With your 3-voiced back-ground choir added to my birthday party it all sounded like a perfect close-harmony song.
  8. co 1b1

    Help me shift my mortorcycle

    Good suggestion Higgy, 3 years ago my H-D Sportster is altered with such an extra "heel stick" to shift up from the first gear. I'm LBK and it works fine for me... costs allmost nothing if you do it yourself. The H-D Big-Twin tour models have a rocker shift allready which I can operate smoothly. Another biker I know here in Holland has a "U" formed steel profile attached to his gear-shift with two small hose-clamps, where his boot fits in loosely. He can push-pull the gear shift up and down with his boot in the "U" hook. The open end is horizontal direction street so he's able to slip out easily. Can be attached to every model motorbike in just a few minutes with a screwdriver. Very handy to make a test ride on another bike or just try the bike of a fellow-biker (if he's willing to let you)
  9. co 1b1

    Motorcycle riders

    that's what I did at first, the Seal-in with aditional suspension sleeve around the knee. But that's less comfortable sitting on the bike with a bended knee, so I used the same solution as I use with diving: to pull a tight binder around the throusers. Cant't slip off anymore. Doesn't look very sophisticated but works fine with me.
  10. co 1b1

    Motorcycle riders

    It was indeed Lizzie... since my amp 5 years ago I haven't experienced a situation I felt I couldn't handle... but this one came rather close.... hihihi
  11. co 1b1

    Motorcycle riders

    With one of my earlier LBK prostheses I've got the same on my Sportster with forward controls. I think it's the windpressure at higher speeds that rotates the socker on the residual stump... the foot is somewhat placed to the outside at the toe, so the force of te riding wind will turn it more. If I placed the prosthesis foot straight in the wind, the turning was less or over. It wouldn't slip off the pegg so easy this way. Better solution is to create so much friction between liner and socket, that rotating of socket and foot doen't happen that easy. There are some surfaces for covering the inside of the socket that reduces rotation. I once had this black sticky stuff, combined with rubber surface on the liner, on the inside surface of my Össur IceCast socket against rotating. Maybe Marcus knows what I mean. At the moment I wear a Seal-in system that doen't rotate a bit, even at higher speeds on the bike. But I have another problem: during the day my stump shrinks a lot. In the afternnoon I have to wear a 3-ply sock (sometimes x2) to keep te socket in suction. On the motorbike I lost my protheses once during the ride because the suction hold was gone. As I allmost don't have any sensibility left in my stump I was unaware of this... until it slipped totally off. As it is my left leg, I stopped standing on the right side: not able to put the gear in neutral or to get the jiffy out... made me feel quiet uncomfortable with the prosthesis lying on the tarmac at some distance behind me. Now I put a tight little velcro belt around my leather trousers, just under the (uncovered) prosthesis so it can't slip off anymore. Same as on the left leg when I dive in my wet-suit, to prevent a slipped-off prothesis under water (had this scary experience once as well).
  12. co 1b1

    New from Germany

    Herzlich wilkommen auf diesen Forum Thomas, welcome on board... we are practacly neighbours, I'm from Holland. No need to write fluently English on this forum... I can't either and everyone here is frienly enough to understand my mistakes... so don't hold back, just post whatever you want to!
  13. co 1b1

    NY Times article War Amputees

    No need to apologise at all, dear Ally! I was very struck by the NYT article: the pain + suffering of those guys is written down so touching I decided to share it with as much people as possible... reading it, every dead and injured soldier in this war seems so sensless; but that is true for every war. Yet I am impressed by the spirit of the guys who go there to serve their country and believe in a good cause... I'm doing not to bad myself, just got my new leg... thanks for asking and we keep in touch Ally, take care!
  14. in Today's Headlines, the NY Times Web Journal National Pages a very impressive article about Iraq War Amputees, click: NY Tmes Today's Headlines
  15. co 1b1

    Botox injections to decrease sweat?

    I asked Mara, one of the Dutch Amputee-forum members to be so frienly to put her own experiences with Botox treatment against perspiration in an answer to you, this is what she wrote: In my case the Botox injections were given by a dermatologist. 1 Injection works at about 4-5 cm2. With a pen your skin is divided in sections of 4-5 cm2 and 1 injection is given in each section. The needle that's used is a standard injection needle. The injections are painful, but if you relax it's over fast. There is an anaesthetic gel which can be put on the skin 1 hour before you’re injected that can ease the pain, but I have no experience with it. After the treatment you can wear your prosthesis. You can get some blue stains here and there because of the injections. In my case they were gone within 2 days. Immediately after the injections the nerve that produces sweat is destroyed so you don't sweat anymore in that area. After 6-7 months the nerve will start to recover and the sweating will increase again. After 6-7 treatments the nerve cannot recover itself anymore and the effect at the best is final. If not, the treatment will go on. The dose that’s injected is that low that there are no permanent side effects known up until now. There is a risk of injecting a muscle, that could become paralysed for a period. This substance has not yet been used very long for this purpase, so I think you should be reserved about it. My advise is to go to an experienced doctor and try all other possibilities first. I’ve been treated once and I didn’t sweat at all on the treated area for 6 months now. Next spring I will have my second treatment so I can wear my prosthesis in the summer. I hope this will shine some additional lights on this subject.