Обратный звонок

Горячая линия ассоциации стомированных пациентов "АСТОМ"!
ЗВОНОК БЕСПЛАТНЫЙ ИЗ ЛЮБОГО РЕГИОНА РФ
8-800-250-23-43
В корзине нет товаров

Каталог товаров

Доставка

Экспресс-почта EMS

Почта России

Курьером

Оплата

  • Наличными
  • Безналичными
  • Электронными деньгами

13181 Coloplast Alterna Пластина длительного ношения (Long wear), фланец 50мм

Количество: 1 упаковка
0
Версия для печати

Пластина Alterna - LongWear (Алтерна Лонг Вэр) для длительного ношения двухкомпонентной системы. 
Адгезив пластины Alterna Curagard (Курагард) обеспечивает надёжную длительную фиксацию пластины, защищает кожу от воздействия агрессивного кишечного отделяемого, обеспечивает безболезненное отклеивание пластины. 

За счет того, что Клеевой слой Alterna термопластичен: под воздействием естественного тепла кожи он становится пластичным и заполняет все складки и неровности кожи, препятствуя протеканию кишечного отделяемого или мочи под пластину, не стягивает кожу и не мешает движениям тела. Так же адгезивная (клеевая) пластина утолщена у стомы и истончается к краям. Пластина имеет ребристый край, что придает ей дополнительную гибкость и позволяет следовать изгибам тела.
Механическое фланцевое соединение с замком-защелкой двухкомпонентных калоприемников и уроприемников Alterna позволяет установить мешок на пластине, не оказывая при этом давления на переднюю брюшную стенку, обеспечивает надежное и герметичное соединение стомного мешка и пластины. Кроме того, мешок можно повернуть в любое удобное положение, не снимая с фланца пластины.

На кольце есть ушки для дополнительного крепления мешка с помощью пояса. Применение пояса уменьшает нагрузку на пластину, тем самым продлевает срок её использования.

Вырезаемое отверстие адгезивной пластины : 10 – 45 мм.

кол-во в упаковке: 5 шт

ПРОДАЮТСЯ ТОЛЬКО УПАКОВКОЙ! стоимость указана за упаковку.

Отзывы о товаре

We're a group of volunteers annd starting a new schemne in our community.<br> <br> <br> <br> Your web site provided us with helpfu info to work on. You've done a formidable task and our <br> <br> entire community shall bee grateful to you.<br> <br> <br> <br> Also visit my web-site <a href="https://adimadimgelisim.com/">özel öğrenme güçlüğü</a>
Hello there! I know this is somewhat off topic but I was wondering if you knew where I could find a captcha plugin for my comment form?<br> <br> I'm using the same blog platform as yours and I'm having problems <br> <br> finding one? Thanks a lot!<br> <br> <br> <br> Look into my page ... <a href="https://goingbuscode.com/">고잉버스 할인코드</a>
Traditional inter-VLAN routing using physical interfaces does <br> <br> have a limitation. As the number of VLANs increases on the network, <br> <br> the physical approach of havin<br> <br> Read more<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <u><strong>Computer Networking</strong></u><br> <br> <br> <br> <br> <br> <br> <br> +2<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <u><b>At which OSI model layers do the application layer or <br> <br> upper layer protocols operate?</b></u><br> <br> <br> <br> <br> <br> <strong><u>Asked byy Wiki User</u></strong><br> <br> <br> <br> <br> <br> <br> <br> <strong>Application</strong><br> <br> <br> <br> <i><u>Presentation</u></i><br> <br> <br> <br> Session<br> <br> <br> <br> Here is my web blog; <a href="https://www.pureecufiles.com/">Best Chiptuning File Service</a>
These are genuinely great ideas in regarding blogging. You have <br> <br> touched some giod things here. Any way keep up wrinting.<br> <br> <br> <br> <br> <br> <br> <br> Feel free to surf to my page - <a href="https://temteknoloji.com.tr/">Behringer x32</a>
With havin so much writte content do you ever <br> <br> ruun into any problems of plagorism or copyright <br> <br> violation? My blog has a lott of unique contnt I've either authored myself or outsourced but it seems a lot of it <br> <br> is popping it up all over the internet without my permission. <br> <br> Do you know any techniques to help reduce content from being ripped off?<br> <br> I'd definitely appreciate it.<br> <br> <br> <br> Feel free to visit my webpage: <a href="https://postermarketi.com/">duvar kağıdı modelleri</a>
I simply could not go away your web site prioor <br> <br> to suggesting that I extremely enjoyed the standard info an individual provide in your visitors?<br> <br> Is gonna be back regularly to inspect new posts<br> <br> <br> <br> my webpage :: <a href="https://tekdezkurumsal.com/su-deposu-temizligi/">Su deposu temizliği</a>
This text is priceless. Where can I find out more?<br> <br> <br> <br> Here is my page :: <a href="https://retrobowl.ee">retro bowl unblocked 76</a>
It is crucial to have a powerful foundation when finishing <br> <br> a dumbbell bench press. The correct form will maximize your <br> <br> power when pressing the burden away from you. If you fail <br> <br> to make use of an applicable type, your positive aspects from the dumbbell bench press will be restricted.<br> <br> In conclusion, the Flat Dumbbell Bench Press is a flexible and efficient <br> <br> exercise for creating power and muscle mass in the higher physique.<br> <br> Correct form, breathing, and weight choice are crucial for maximizing the <br> <br> advantages and minimizing the chance of damage.<br> <br> If you play sports or simply wish to be stronger with your urgent strength generally, <br> <br> then it’s by no means a foul thought to provide yourself publicity to urgent from totally different angles.<br> <br> Your buttocks should remain flat on the bench through the bench press.<br> <br> <br> <br> Do Not emulate the powerlifter fashion of arching your back so much that <br> <br> your glutes carry off the bench. Your eyes must be roughly aligned with the <br> <br> entrance of the barbell rack uprights.<br> <br> Strength coaching is meant to arrange you to choose up heavy issues.<br> <br> Different adjustments which would possibly be discovered in the variations of the dumbbell bench <br> <br> press could also be in relation to the particular type of muscular activation they might incur.<br> <br> Bear In Mind, whether or not you’re performing a dumbbell press or <br> <br> a bench press, the confluence of dedication, sensible coaching, and <br> <br> recovery protocols is foundational for your success.<br> <br> The trick, although, is selecting the proper angle to <br> <br> work the muscular tissues you want to strengthen. Usually speaking, you should set your bench between 30- and 45-degrees.<br> <br> The 45-degree angle will hit more of your shoulders,<br> <br> while the 30-degree angle will goal the pecs to a greater diploma.<br> <br> Many of those do not even need a bench, but they'll still help to strengthen your pecs and improve your <br> <br> bench press.<br> <br> An Incline barbell bench press might be at an angle of about 30-45˚.<br> <br> With incline bench press, you are in a position to do completely different variations of grip, just like you <br> <br> probably can a flat bench, but we are going to simply go over what the final purpose of the incline bench is.<br> <br> Beneath are 10 barbell bench press variations plus another techniques you can use to increase your <br> <br> power. After we undergo the barbell bench presses, we'll take a glance at some <br> <br> dumbbell bench press variations.<br> <br> Plant your feet firmly on the floor and brace your abs onerous <br> <br> to keep your physique tight. However, regardless of <br> <br> its reputation, the barbell bench press just isn't without disadvantages.<br> <br> Lifting a bar with each hands means it’s all too straightforward <br> <br> to press extra with one arm than the opposite, and a failed rep might <br> <br> depart you badly injured. Due to the angle of <br> <br> your physique, incline presses are significantly more durable to do then flat presses.<br> <br> This means you’ll likely not have the flexibility to lift as much weight in an inclined position. Flat dumbbell presses are carried out mendacity face-up in your <br> <br> again with your physique parallel to the floor.<br> <br> But, before we present you the dumbbell bench press workout routines, we need to <br> <br> make note of the necessary thing differences with utilizing dumbbells.<br> <br> <br> <br> Your physique, with its strengths and weaknesses, is exclusive, and simply because lifters <br> <br> seem to be 20–30% stronger in the flat bench press on common, it doesn’t mean that the <br> <br> identical necessarily applies to you. How a lot weight you can lift <br> <br> in every train will depend, amongst other things, in your <br> <br> particular person physique construction, making you roughly proficient <br> <br> at one or the other. Many people feel that the incline press locations much less stress on their shoulder <br> <br> joint in contrast with the standard bench press.<br> <br> Even when you're conversant in the incline barbell press, you should still want to reduce your weight for the dumbbell model of the exercise.<br> <br> <br> <br> These flat and incline dumbbell bench press weight requirements <br> <br> help you to find out whether or not or not you are lifting a good quantity of weight in your capabilities.<br> <br> Typically talking, intermediates ought to have the ability <br> <br> to do incline bench press with dumbbells that weigh 90% (both dumbbells combined) of their <br> <br> body weight for a single repetition. Generally talking, <br> <br> newbies should be in a position to incline bench press with dumbbells that weigh forty to 60% (both dumbbells combined) <br> <br> of their physique weight for a single repetition. Generally speaking, <br> <br> intermediates ought to be succesful of flat bench press with <br> <br> dumbbells that weigh 90 to 100% of their physique weight (both dumbbells <br> <br> combined) for a single repetition. Typically speaking,<br> <br> novices ought to be in a position to flat <br> <br> bench press with dumbbells that weigh 30 to 50% of their body weight (both dumbbells combined) for a single repetition (1-rep max).<br> <br> <br> <br> Talking of partial reps...partial reps may be accomplished with a bench too, to work on specific segments of the bench press.<br> <br> With that, considerably heavier masses can be used, since it’s the bottom vary of <br> <br> movement that's the more durable in relation to bench press.<br> <br> <br> <br> Whereas the standard bench press lowers the bar all the means down to nipple level, <br> <br> you'll find a way to play around with different reducing targets.<br> <br> <br> <br> One variation is to lower the bar all the means down to the neck on a flat bench.<br> <br> These stabilizer muscular tissues assist to decelerate the bar and <br> <br> restrict inefficient movement mechanics.<br> <br> Here are 5 frequent explanation why you may find it difficult to do the <br> <br> bench press utilizing dumbbells, and why your weight requirements are under common. The weight standards in this submit will help&nbsp;you&nbsp;decide what is a respectable weight <br> <br> to be lifting primarily based in your gender, body <br> <br> weight, and coaching experience. 1– Lie on the <br> <br> floor together with your legs bent, feet flat on the ground.<br> <br> <br> <br> This exercise could be done utilizing a flat, incline, or decline bench as <br> <br> preferred. A good stretch at the backside of every rep makes this <br> <br> exercise harder and more productive.<br> <br> This is why I don’t love the concept of "better" or "best" as that language with exercise <br> <br> selection is usually shortsighted. Under are a few goal-specific contexts where each of those bench press variations <br> <br> could be better than the others. This rack has bars on either side set on the level of your chest.<br> <br> <br> <br> If your lift fails on an influence rack, the bars stop the barbell from crushing your chest.<br> <br> <br> <br> If the angle is greater than 45-degrees, the dumbbells will <br> <br> hit too excessive on their chest. If the angle is less than 45-degrees, the dumbbells will hit too long on their chest.<br> <br> <br> <br> When an athlete is getting prepared to carry out a dumbbell bench press, <br> <br> they should know their grip power and factors of contact. This train can become dangerous if the dumbbells are too heavy and surpass their <br> <br> grip strength.<br> <br> The Flat Dumbbell Bench Press is a basic weightlifting train that targets the major muscle tissue of the higher body.<br> <br> Famend for its effectiveness, this exercise is a staple in energy and conditioning programs.<br> <br> The major focus of the flat dumbbell bench press is to have interaction the pectoral muscular tissues, nevertheless it additionally works the <br> <br> shoulders, triceps, and stabilizes the core. The versatility of <br> <br> the dumbbells allows for a pure vary of movement, making it a wonderful various to the barbell bench press <br> <br> for these in search of to reinforce muscular stability and forestall injury.<br> <br> <br> <br> She was born in Colorado, raised in northern Michigan, and presently resides <br> <br> in Pennsylvania. Heather's major objective is <br> <br> to assist others achieve their health and health <br> <br> objectives by way of education, motivation, <br> <br> and inspiration. If you would possibly be competing in powerlifting, <br> <br> it’s a good suggestion to follow the bench press, squat, and deadlift on the identical day because <br> <br> that’s what you'll do on meet day.<br> <br> Since the incline bench press is still a demanding train, it’s perfect to <br> <br> carry out it close to the beginning of the workout. For most compound movements, a great period of time <br> <br> to rest between units is anyplace from 2-3 minutes, depending on how heavy you’re lifting.<br> <br> The wide grip barbell bench press shifts emphasis to your pectoralis main, specifically the <br> <br> decrease, middle and outer space of your pec major.<br> <br> Press the weights collectively as onerous as you'll be able <br> <br> to and maintain this inward pressure throughout the exercise.<br> <br> Subsequently, I counsel you go along with the incline dumbbell <br> <br> press first in your workout. If you do flat presses first, you might <br> <br> gas out and never have enough vitality to maximize your weights and carry with good kind.<br> <br> The main good factor about single arm dumbbell bench presses is <br> <br> that you could handle muscle imbalances.<br> <br> Steadily increase the load you lift with dumbbells and incorporate bench press training with <br> <br> proper technique to construct up your energy over <br> <br> time. Adjust the bench to a slight incline to focus on upper pecs with <br> <br> dumbbells. Doing a chest press on a flat bench positioned <br> <br> at 0-degrees targets the middle of your pecs.<br> <br> <br> <br> The incline bench press is arguably the hardest of those three variations and that’s because of the range of motion you’ll be <br> <br> working via. The incline bench has a larger range of motion you’ll need <br> <br> to press via and you’ll want a great degree of mobility to <br> <br> perform these. For beginners, I sometimes recommend tackling the <br> <br> flat bench press first and constructing a great foundation with this press.<br> <br> The flat bench press is probably the most "generalist" of those three bench variations and you’ll <br> <br> train a majority of the pecs with the flat bench.<br> <br> A standard flat bench can be utilized instead of a bench press <br> <br> rack, and you can carry out bench presses with dumbbells or a <br> <br> barbell. If you need to add bench presses to your weightlifting routine, attempt to carry out bench presses solely 2 to three times per week.<br> <br> Give your self no much less than 1 day between doing bench presses to permit your muscles <br> <br> to recuperate.<br> <br> Keep In Mind, your progress is earned rep by rep, so press on with confidence <br> <br> and determination. Each are appropriate for novices, however dumbbell presses could provide a higher range <br> <br> of motion and assist in balancing energy between arms.<br> <br> <br> <br> The incline dumbbell press can be modified in various methods or made tougher to swimsuit particular <br> <br> person needs and fitness objectives. The elbow tuck is an important <br> <br> type cue that can assist to explode your bench press, whether <br> <br> or not you’re lifting dumbbells or a barbell.<br> <br> <br> <br> Your chest or the pectoral region consists of 4 muscles- <br> <br> pectoralis main, pectoralis minor, subclavius, and serratus anterior.<br> <br> These muscular tissues are responsible for rotating and <br> <br> flexing the higher limb and sustaining its vary of movement and <br> <br> suppleness. I have seen people who bench press 300+ <br> <br> lbs but can't even stand up 100lb dumbbells throughout their press.<br> <br> <br> <br> If you're only doing dumbbell presses you must definitely mix in bench press at some point and still do your dumbbell presses.<br> <br> <br> <br> There isn't any actual conversion for dumbbells to barbell bench press however you can get a somewhat rough quantity to <br> <br> start with and it can be enjoyable to attempt to predict your max just begin light to <br> <br> be safe. Read additional as we discuss the method to make excessive positive aspects on your <br> <br> bench press coming from dumbbell presses. Hold the dumbbells with a parallel grip, palms dealing with <br> <br> forward.3.<br> <br> Management the tempo of the movement (e.g., 3 seconds to lower,<br> <br> 1 second to press up) to increase time beneath pressure.<br> <br> When lifting heavy, at all times use a spotter or safety pins <br> <br> on the bench rack for added safety. No matter which one you do, <br> <br> ensure to good the form before stacking on the burden. Skilled coaches advocate for 7-9 hours of sleep for athletes to ensure recovery and improvement in pressing workouts.<br> <br> <br> <br> As A Substitute of overlifting, cut back the load <br> <br> you're lifting till you can full the train with none bouncing.<br> <br> Selecting a weight that is too heavy sometimes results in different <br> <br> common mistakes, which may undercut your efforts or result in damage.<br> <br> If you start with the proper weight for you, you'll be less likely to encounter the other issues mentioned beneath.<br> <br> <br> <br> <br> <br> References: <br> <br> <br> <br> <br> http://xrkorea.kr/bbs/board.php?bo_table=free&wr_id=170055 <br> <br> <br> https://en.startdir.de/user/profile/MarylouMapl <br> <br> <br> http://xn--ob0by9g87istf7zb79o.com/bbs/board.php?bo_table=free&wr_id=341360 <br> <br> <br> https://infuline.co.kr/bbs/board.php?bo_table=free&wr_id=4859 <br> <br> <br> https://bolaopaulista.com/author/elizabethew/ <br> <br> <br> https://candidecoin.com/uncategorized/the-role-of-subcutaneous-vs-intramuscular-injections-in-trt/ <br> <br> <br> https://www.publicsensors.org/forums/users/caseyleitch001/edit/?updated=true/users/caseyleitch001/ <br> <br> <br> https://heyanesthesia.com/forums/users/louellacrane1/ <br> <br> <br> https://pizzaoui.com/post-cycle-recovery-a-comprehensive-guide/ <br> <br> <br> http://jeilkalguksu.co.kr/bbs/board.php?bo_table=free&wr_id=117498 <br> <br> <br> https://inzicontrols.net/battery/bbs/board.php?bo_table=free&wr_id=451246 <br> <br> <br> https://dralthaidi.com/community/profile/louvenia23q8442/ <br> <br> <br> https://zuc.us/user/profile/15818 <br> <br> <br> https://aitradingbot.org/5-best-steroids-for-mass-gain-proven-picks-by-pros/ <br> <br> <br> https://hellovivat.com/forums/users/alvaroeden000/ <br> <br> <br> http://www.xn--2s2b270b.com/bbs/board.php?bo_table=free&wr_id=155031 <br>
I used to be suggested this website viia my cousin. I am now not sure wwhether this put up iss ritten by way of him as nobody eelse recognize such distinctive approximately my difficulty. You are wonderful! Thanks! https://yourua.info/
By the top of Part 1, you should simply have placed on kg on your whole <br> <br> lifts. As A End Result Of you’re going to see the greatest improve in all your numbers and your total dimension. <br> <br> Novice linear development is an amazing part of weight training.<br> <br> <br> <br> So if you’re new to the fitness center, don’t <br> <br> let that fact keep you down.<br> <br> Madcow 5×5 has seven more units per week on your higher physique.<br> <br> You work your upper body more despite Squatting every exercise.<br> <br> This increases the amount of each workout over time. A <br> <br> frequent mistake is to pyramid the ramp sets by dropping reps as you add weight.<br> <br> The traditional counter is that solely the top <br> <br> units are hard on Madcow 5×5. If it’s too easy for you, <br> <br> you can add quantity utilizing smaller set intervals.<br> <br> <br> <br> <br> <br> 5/3/1 involves using a submaximal "Training Max", with working set intensities based mostly on a percentage of that max.<br> <br> It also employs a deload both every 3 or every 6 weeks.<br> <br> These rules are very good, but they're designed to facilitate continued <br> <br> longterm progress over many months, with out stalling.<br> <br> I would highly recommend it to anyone whos beginning out lifting.<br> <br> Initially I misplaced 10 kilos but have gained it again as a outcome of you must eat so much to keep the features going and day by day vitality.<br> <br> My food plan could be very bad although and I’ll be fixing that shortly.<br> <br> <br> <br> No, this doesn't imply that I encourage anybody to mess with <br> <br> it in any means, I’m just stating something that bothers me.<br> <br> A common guideline for volume says that you must goal <br> <br> for complete reps if you’re in the 80-90% 1RM intensity brackets, which corresponds to a 4-6 RM, and that is about right in our "sets of 5" routines.<br> <br> It’s more acceptable SS than SL, since straight-setted 3×5 permits a higher preliminary depth than 5×5.<br> <br> We’ll calculate our complete volume by assuming an average of <br> <br> 1.5 A and 1.5 B workouts a week (3 of every in a 2 week long microcycle).<br> <br> <br> <br> This isn’t an immediate downside, however over the <br> <br> lengthy term might significantly hamper your power progress.<br> <br> <br> <br> Once More, we’re seeing a giant emphasis on the lower body.<br> <br> Not only is the squat given twice the training volume of any <br> <br> other raise, with 9 units per week vs four.5, however it’s additionally the <br> <br> first carry of each workout. That implies that all of our greatest power is going into the squat.<br> <br> No shock, then, that almost all of our positive aspects shall be in our hips, thighs, and decrease back.<br> <br> <br> <br> Simply lengthy press on the timer notification to log how many reps you probably did and <br> <br> mark the set done. This means you'll find a way to keep your telephone locked when you <br> <br> exercise, avoiding distractions and staying fully focused.<br> <br> Once it’s time in your subsequent set, Stronglifts will automatically notify you.<br> <br> <br> <br> That’s why after we measure muscle progress from the bench press, we see that <br> <br> the triceps lag behind (study). These workouts are easy, elegant, <br> <br> and there’s a powerful logic to them. It’s an excellent minimalist method <br> <br> to power training that Mark Rippetoe has refined over many years to make <br> <br> it ideal for the novices that he’s coached. It’s a extremely attention-grabbing system <br> <br> and there’s so much to learn from it.<br> <br> I might most likely do more weight but I used <br> <br> a conservative number. I am keen on packages which would possibly be a little simpler (so I <br> <br> do not need to be taught one million totally different <br> <br> exercises), however like that a few of them are centered on womens' kind too.<br> <br> Sleep is essential for restoration, and you’ll start lacking reps fairly quickly if you’re not getting at least 7 hours of sleep per evening.<br> <br> For optimum progress, I actually suggest aiming for 8-10 hours <br> <br> of sleep per night time. Nonetheless, there’s nothing magical about Stronglifts.<br> <br> <br> <br> My trustworthy evaluate is that you would do equally properly on a programme like Beginning Power <br> <br> or Greyskull, and on starting strength you solely should do 3×5.<br> <br> To help you out, I’m going to give you my experience operating the <br> <br> programme for 5 months myself, in addition to my ideas as a professional <br> <br> power and weightlifting coach.<br> <br> Despite these advantages, many beginners feel intimidated by <br> <br> the health club or unsure the place to begin. This <br> <br> comprehensive information will offer you every little thing <br> <br> you have to know to embark on your power coaching journey safely and successfully.<br> <br> You will squat each session while all other workouts will <br> <br> be rotated. Besides for the deadlift and row you begin with an empty bar.<br> <br> <br> <br> The goal is the finish 5 units by 5 repetitions on each workout except for the deadlift.<br> <br> For each press you do in your routine, you need to have a <br> <br> minimal of one pull working kind of in the opposing <br> <br> path. SS has either bench press or overhead press <br> <br> done on each exercise, but no pulls to compensate for them.<br> <br> <br> <br> <br> <br> References: <br> <br> <br> <br> <br> https://0nas.cn:3001/nathanwillshir <br> <br> <br> http://git.zzliaoyuan.com:4000/beatrizwmc7987 <br> <br> <br> https://git.umrnet.ru/thaliaalcantar <br> <br> <br> https://gogs.runesware.com/judyabt694677 <br> <br> <br> https://git.lodis.se/horaciosulman9 <br> <br> <br> https://gitea.rodaw.net/nicolasridley <br> <br> <br> https://git.tadmozeltov.com/inkines6519137 <br> <br> <br> http://hongleiyu.com:4000/leandrahorder2 <br> <br> <br> https://gitea.cybs.io/tammigadson66 <br> <br> <br> https://git.atmt.me/zulmafenton96 <br> <br> <br> http://git.masada.com.tw/leorahewitt682 <br> <br> <br> https://git.eugeniocarvalho.dev/melodeewatson <br> <br> <br> https://git.jackbondpreston.me/clarenceramos <br> <br> <br> https://git.nightime.org/dellbardon9568 <br> <br> <br> https://blog.fuzongyao.cn/christinbuchho <br> <br> <br> https://www.nenboy.com:29283/lavernexts0922 <br>

Страницы

Добавить отзыв

CAPTCHA на основе изображений
Введите символы, которые показаны на картинке.

Задать вопрос по товару

Coloplast Alterna Пластина длительного ношения (Long wear), фланец 50мм