We conclude that the severity of tail-vein injection in mice is ‘mild’ for both methods. It is common practice to stimulate dilation of the tail veins in mice either by placing them in a warmer environment (e.g. RTI, Rotating Tail Injector for Mice - Reduce time and increase productivity on mice tail injections and tattooing! The Tailveiner is the fastest restrainer yet for intravenous injections in small animals. The tail may be warmed to dilate the lateral tail veins. The… The purpose of the mouse restrainer is to hold the mouse steadily so that tail vein injection can be performed. Tail-first restrainers are appropriate for procedures such as tail vein injections and blood collections. Slotted tube permits the rat or mouse to be quickly pulled in by the tail. injection. Catty D, Lehmann PF. There are 3 sizes : the nose piece and let the mouse slide out of the restrainer in to the cage ... Methods: C6 cells, derived from rat glioma cells, were injected to the rat tail vein. If you are using a tail-first restrainer, grasp the mouse by the base of the tail and slide it hindquarters first into the restrainer, using the slot as a tail guide. A plastic syringe has been modified to hold a mouse. These mouse tail illuminator restrainers efficiently illuminates and warms a mouse tail for easy injection or bleeding.Hold animals of various sizes securely without injury with the use of these animal restraints. Once the mouse is in the restrainer… Intravenous injection (I.V.) Once I could see a vein, I'd put the mouse in the restrainer. A simple low-cost restrainer for the intravenous injection of mice. Technique Tail vein sampling is suitable for a small volume of blood (less than 0.2 ml) by incision (with a needle or lance) of the tail vein. For tail vein injections, I heat up the mouse by a heap lamp with restrainer (without putting them to sleep), I got close to 100% and perform dosing ~4 min per 5 mice a cage. Each unit comes with a restraining tube and illumination source. The mouse is monitored during the procedure by observing its respiratory rate and checking whether restraint is causing the animal any distress. Mice ranging between 10-45 grams can be restrained for up to 60 minutes, as tested. Rodent Restrainers for mice and rats IITC rodent restrainers are used with the noninvasive blood pressure tail cuff method systemsfor mice and rats they can also be used for tail vein injections or other studies where the animal needs to be restrained. The mouse will be restrained in a mouse restrainer or will be anesthetized. This procedure has been used previously for a mouse lung cancer (Lewis lung carcinoma) and as a model of … Rodent Injection Cone Buy Now. The best syringe for tail vein injection is the one for insulin injection … It is the first restrainer for mouse tail vein injections which enables loading of animal with head or tail first which prevents the pulling of the mouse from the tail. and both the hands of the operator is free to perform the injection because the tail vein injection needs to be performed meticulously and without any big movement from the mouse that can damage the tail. You always want to start your injection at the lower portion of the tail ~ 1/3 from the tip. To help researchers with this challenging task, MediLumine has developed Mvein restrainer for tail vein injections. We conclude that the severity of tail-vein injection in mice is 'mild' for both methods. Tail vein catheters for rats and mice can be easily inserted into the tail vein of a restrained rodent- no surgery needed! This allows you to move up the tail if the injection was unsuccessful. NEW - Extra large mouse restrainer 45 to 70 grams Gently pull the foot of the leg to be injected through the restrainer and locate the caudal thigh muscle. This restrainer… The tail should be warmed to help dilate the veins. With Mvein, the mouse is loaded head first and can be rotated 90 degrees so that tail is lifted in position for injection. All rights reserved, 5795 Av. Once the animal is restrained the tail vein is located laterally on both the right and left side of the tail. The animal should be trained and conditioned for repeated studies to avoid unnecessary stress. Sliding doors keep mouse gently restrained. An alcohol pad, sterile saline or water may be used to clean the tail. The average diameter of lateral tail veins are 0.3 mm. I'd hold the tail between my non-dominant thumb and forefinger and bend the tail at an almost 90 degree angle and pull back so that the tail was taut (not painfully taut). See description below. Lung cancer drug development requires screening in animal models. Apertures in the top and bottom provide easy access for injections or sampling. Shipping included within the United States. • Easy entry: draw mouse tail first or lead head first through the wide entry funnel into the back of the tube and then position stop gate in choice of two slots. The head is immobilized to prevent asphyxia. The adjustable tail stock can be inserted into any one of four positions. The animal is then restrained by a plug which slides easily to accommodate any size rat or mouse, but locks automatically when handle is released. This restrainer is the byproduct of combining the best features from all methods and devices in to one single restrainer as determined by expert animal technicians that have performed tens of thousands of IV injections for over a decade. I'd clean the tail with an ethanol wipe partially to clean but mostly to make the vein especially prominent. Braintree Scientific, Inc. PO Box 850498, Braintree, MA 02185: Tel. Mouse Restrainer for Intravenous (IV) Tail Vein Injections. Restraining tube slides off base for easy cleaning. De Gaspé, Suite #228, Montreal, Quebec, Canada, H2S 2X3. Here we present a method to validate tail vein injections in rats by utilizing near-infrared fluorescence imaging data from dyes incorporated into agents or biological probes. Intravenous Injection in the Mouse. IV Tail Vein Injection, Mouse. A tail first restrainer can also be used for IM injections. Unique features of this restrainer include: 1. the head cone (not the traditional “nose” cone) which completely immobilizes the mouse head, preventing the animals from turning around, 2. the head cone will not pinch off the nose of the animal causing them to asphyxiate, 3. the head cone invites the mouse to willingly and easily insert their entire head in to the cone unlike traditional nose cones, 4. the rectangular shape of the restrainer prevents the animal from rolling, allowing the technician to simply place the restrainer on its side so the lateral tail vein is in the desirable superior position, 5. the sliding and removable trap door and head cone allows loading and unloading the animal head first and also makes cleaning easier, 6. the rectangular shape provides space for flank tumors to conveniently fit in one of the upper corners, 7. the rectangular shape permits the simple manufacturing and assembly of the restrainer, resulting in the lowest cost to you compared to similar devices on the market, Mouse Restrainer for IV Tail Vein Injections, Compact Mouse Restrainer for Intravenous (IV) Tail Vein Injections, Rat Restrainer for Intravenous (IV) Injections, Collimated Mouse Restrainer for Partial Body Irradiation. The mouse restrainer from Jeffery Consulting, LLC is designed to facilitate mouse tail vein injections. A temporary reduction of body weight was observed after IV injection under isoflurane anaesthesia but not for conscious mice injected in the common restrainer. This feature provides for easy access to either vein in the tail for an i.v. With the bevel of the needle facing upward and the needle almost parallel to the vein, slide the needle into the tail vein. The tail is imaged before and after the injection, the fluorescent signal is quantified, and an assessment of the injection quality is made. For international shipping, please contact [email protected] for a quote. Illuminated slot for easy tail vein injection, etc. A temporary reduction of body weight was observed after IV injection under isoflurane anaesthesia but not for conscious mice injected in the common restrainer. LE-series Rat. These restraints are suitable for a variety of applications including intravenous infusion, physiological investigations, and protecting surgical sites. Once the mouse is safely held in the restrainer, the tail is pulled to straighten it. The Tailveiner is the first easy-to-use mouse and rat restrainer specifically designed for tail vein injections. Hold the foot firmly, swab the site with 70% ethanol, aspirate and inject the material with the needle bevel up. This device is … G-Series. The pocket and holes in the front make it easy to anesthetize or feed the animal. Mvein Restrainer for Mouse Tail Vein Injections The Mvein™ restrainer is designed to facilitate mouse tail vein injections with a head cone instead of a nose cone to prevent asphyxiation . LE-Series Mouse. 781-917-9526: Fax 978-244-8917 The mouse restrainer from Jeffery Consulting, LLC is designed to facilitate mouse tail vein injections. I.V. The Mouse Tail Illuminator efficiently illuminates and warms a mouse tail for easy injection or bleeding. The protruding tail is placed in hot water which causes the veins to dilate. Reference TV-150-STD The Tailveiner is the first easy-to-use mouse and rat restrainer specifically designed for tail vein injections. The overall dimensions of this compact restrainer are 2.5" (height) x 4" (length) x 1.6" (width). The size allows for quick, mistake free access to the tail vein and once inserted, the flexibility keeps vessel trauma to a minimum. We aimed to develop orthotopic models of human non-small lung cancer using A549 and H3122 cells delivered by tail vein injection. The only mouse restrainer in which the tail can be rotated. Technique Summary Resources and references Tail vein technique in other animals All blood sampling techniques in the mouse Please read the general principles of blood sampling page before attempting any blood sampling procedure. The overall dimensions of this restrainer are 4″ (height) x 4″ (length) x 2″ (width). Restrain the tail while occluding the vein with your non‐dominant hand. The syringe is then clamped to a stand and injection of the vein is easy. ... Too large a restrainer can also result in injury, caused by movements during restraint. The compact mouse restrainer from Jeffery Consulting, LLC is designed to facilitate mouse tail vein injections and is ideal for restraining conscious mice for long periods of time in tight spaces, such as in an induction chamber. The restrainers hold the animal safely in position during experimental procedures such as tail vein injection, blood sampling or blood pressure monitoring etc. at 28-30 ºC) for up to 30 minutes, or by placing the tail in warm (30-35 ºC) water. is a procedure where a needle is used to penetrate and inject drugs and/or materials into a vein. One side of restrainer is fixed with transparent tail piece (perspex plate) having a slot for tail while the other side fitted with a Head piece (bush) having a smooth conical shape from inside for positioning the head of rodent. This restrainer is the byproduct of combining the best features from all methods and devices in to one single restrainer as determined by expert animal technicians that have performed tens of thousands of IV injections for over a decade. Additional tubes are available. Head piece can be adjusted according to … is often performed on mice in research labs, however, it can be difficult to accurately inject into the vein due to the small vessel sizes of mice. A 27-30 gauge needle is inserted into a tail vein bevel up. • With tail first entry, tail is exposed at rear of tube allowing easy access for tattooing and tail bleeds • Overall Dimensions (L x W x … Tail Vein Injections in the Mouse and Rat SOP Page 3 of 3 5. 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