陕西快乐十分最大遗漏数据
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當前位置:首頁 > 疼痛與炎癥研究 > (三合一)痛覺測痛系統
疼痛與炎癥研究

(三合一)痛覺測痛系統

時間:2016-09-14來源:本站作者:玉研儀器

詳細介紹

三合一痛覺測痛系統包含Electronic von Frey,Randall Selitto,Plethysmometer三套電子痛覺測痛儀,用三種方法完成對大鼠小鼠等動物的痛覺測量,歡迎來電咨詢。

 

  • Electronic von Frey Anesthesiometer 電子von Frey測痛儀

  • Randall Selitto test Paw Pressure Test Meter 鼠爪壓力測量儀

  • Plethysmometer, Paw Volume Meter or Paw Edema Meter鼠爪腫脹測量儀


型號:2390型+2500型+520MR型


電子觸覺閾疼痛閾測量儀機械痛閾測量儀Von Frey系統,簡單易用。用來替代傳統的Von Frey Hairs纖毛機械刺激針Von Frey Hairs.不僅可以Von Frey test測試機械痛閾或觸覺閾測量,還可以測試疼痛閾值。它使研究者可以自動記錄機械痛閾和觸覺閾測量。操作簡單,精確,設計緊湊。


電子Von Frey測痛儀的主要特點:

適用MRI探針

單體內可插入三個探針

LCD 顯示屏 (Floating or last max. & minimum) 

硬槍頭能達 800 Gr. 

“Supertips?” 15 65Gr. 

適用1K探針

電子微處理器0.1Gr插入式探針

可選的模擬輸出線

吸頭可根據情況定制

具有測量、存儲和顯示功能,免除了手算的繁瑣。

可以預設和選擇最大限額,能精確到1g當到預設的限額時,警示燈會通知使用人員

實驗簡便:選擇合適的原件放在探針上,插進實驗對象,根據實驗對象的反應,儀器就能快速的顯示出結果并儲存。

作為核心原件的內置傳感器固定在元件上,并和電子系統相連,以便記錄數據。所有的電子測痛儀已在出廠前校準完畢,不再需要購買任何的校準設備。


鼠爪壓力測痛儀 Randall&Selitto測試,通過逐步提高作用于動物爪子上的機械壓力,逼近動物的疼痛閾限,測量并記錄動物產生逃避反應時的瞬間最大壓力,以測定動物機械鈍痛的痛覺閾限。


與熱痛不同,鼠爪壓力疼痛測痛用于機械壓痛和鈍痛的痛覺測量,常用于辨別左右爪不同的痛覺反應,多涉及脊髓神經過程,人工辨別動物縮腿反應,并用踏板控制馬達的起止。


鼠爪壓力疼痛測試儀的主要特點: 

適用于大鼠和小鼠

精確度為0.1克,最大壓力400

數字顯示功能

配置腳踏控制器

RS-232輸出


爪體積測量儀用來衡量消炎藥的有效性。使用時,講大鼠、小鼠的爪子浸入含有特殊細胞的水中由于浸泡水的壓力發生了變化。壓力的變化會被校準,并顯示在特殊的電子監視器上。這種檢測形式可以消除由于重復浸入發生導電性的改變而產生的改變,這種情況在類似的其他儀器上發現過。測試結果直接顯示在LCD上(大鼠精確到0.01毫升、小鼠精確到0.001毫升)。無論是用電池還是用9V12V的適配器,該設備表現穩定,操作安全

 

鼠爪腫脹測定儀的主要特點: 

無需潤濕液,可消除由于重復浸入發生導電性的改變而產生的體積誤差 

配備90°角的全透明亞克力操作支架,可進行清晰方便

維護方便,不需要特殊的護理液

數據準確,不需要每次使用校準,每年僅需校正一次

具有內置電源,實現停電不間斷操作

帶LCD顯示器,讀書方便

體積精確度:0.01ml(大鼠)0.001ml(小鼠)


Order any one of the test systems complete and the only additional item(s) needed are the individual modules to perform each test.

Electronics has up to three inputs allowing users to perform three very different tests with one electronic system when studies call for doing so.

All data is stored and displayed in the electronics supplied.

Part# 2650 Stand and sling sold separately

 

Example:

Order any one of the 2390 Series Electronic von Frey systems; add on either or both the Digital Paw Pressure Applicator only and/or the glass stand setup only and you have a system that is complete for all three individual tests.

 

A wonderful addition to any laboratory facility studying analgesic compounds in research.

Stand and animal sling for Randall Selitto test sold separately.


部分參考文獻:

 

[HTML] An electronic pressure-meter nociception paw test for mice

TM CunhaWA Verri Jr, GG Vivancos… - Brazilian Journal of , 2004 - SciELO Brasil

... an inflammatory process and sensitized the paws of mice with different doses of carrageenin
and prostaglandin E 2 (PGE 2 ... consisted of a hand-held force transducer fitted with a 0.5 mm
2 polypropylene tip (electronic von Frey anesthesiometer, IITC Inc., Life ...

 

[HTML] Pharmacological characterisation of a rat model of incisional pain

GT Whiteside, J Harrison, J Boulet… - British journal of , 2004 - Wiley Online Library

... Pharma, Neuropharmacology, 6 Cedar Brook Drive, Cranbury, NJ 08512, USA E-mail: garth ... Issue
published online: 2 FEB 2009; Article first published online: 2 FEB 2009; ... previously described
in this model: tactile allodynia using an automated electronic von Frey (IITC, CA, USA ...

 

Pharmacological characterization of the chronic constriction injury model of neuropathic pain

J De Vry, Kuhl, P Franken-Kunkel, G Eckel - European journal of , 2004 - Elsevier

... 4 December 2003 Revised 1 March 2004 Accepted 25 March 2004 Available online 10 May
2004. Abstract. ... Mechanical allodynia was measured by means of a pressure transducer (electronic
von Frey Anaesthesiometer, IITC-Life Science Instruments, Woodland Hills, CA). ...

 

Selective activation of cannabinoid CB2 receptors suppresses neuropathic nociception induced by treatment with the chemotherapeutic agent paclitaxel in rats

EJ Rahn, AM Zvonok, GA Thakur, AD Khanolkar… … of Pharmacology and , 2008 - ASPET

... E-mail: ahohmann{at}uga.edu. Next Section. Abstract. ... Mechanical withdrawal thresholds were
assessed using a digital electronic von Frey anesthesiometer (IITC model Alemo 2290-4; IITC
Life Sciences Inc., Woodland Hills, CA) equipped with a rigid tip. ...

 

Pharmacological and pharmacokinetic characterization of the cannabinoid receptor 2 agonist, GW405833, utilizing rodent models of acute and chronic pain, anxiety, 

KJ Valenzano, L Tafesse, G Lee, JE Harrison… , 2005 - Elsevier

... 2004 Revised 26 November 2004 Accepted 10 December 2004 Available online 19 February ...
The marble-burying behavior model of anxiety (Njung'e and Handley, 1990 ... noxious tactile stimulus
(VWT) were determined using an automated electronic von Frey apparatus (IITC ...

 

Taurine replacement attenuates hyperalgesia and abnormal calcium signaling in sensory neurons of STZ-D rats

F Li, IG Obrosova, O Abatan, D Tian… - American Journal of , 2005 - Am Physiological Soc

... Digital sensory NCV (SNCV) was recorded in the digital nerve to the second toe by stimulating
with a square ... by quantifying the withdrawal threshold of the hindpaw in response to mechanical
stimulation using a von Frey anesthesiometer (model 2290C; IITC Life Science ...

 

Activation of presynaptic NMDA receptors coupled to NaV1. 8-resistant sodium channel C-fibers causes retrograde mechanical nociceptor sensitization

CA Parada, GG Vivancos, CH Tambeli… - Proceedings of the , 2003 - National Acad Sciences

... Intrathecal administration of prostaglandin E 2 (PGE 2 ), glutamate, and NMDA causes a bilateral
long-lasting mechanical paw hypernociception ... reflex with a hand-held force transducer adapted
with a 0.5-mm 2 polypropylene tip (electronic von Frey hair; IITC Life Science ...

 

The use of an electronic von Frey device for evaluation of sensory threshold in neurologically normal dogs and those with acute spinal cord injury

SA Moore, BF Hettlich, A Waln - The Veterinary Journal, 2013 - Elsevier

... Accepted 3 November 2012 Available online 13 December 2012. Abstract. The ...
examination. von Frey device. The electronic von Frey device (IITC Life Science)
consisted of a load cell, handle, recording device and tip (Fig. 1 ...

 

Reproducibility of electronic von frey and von frey monofilaments testing

B Tena, B Escobar, MJ Arguis, C Cantero… - The Clinical journal , 2012 - journals.lww.com

... Reprints: Beatriz Tena, MD, Hospital Clinic, c/Villarroel 170, 08036 Barcelona, Spain (e-mail:
[email protected] ... Pain threshold was subsequently determined using a pressure algometer,
the Electronic von Frey (Electronic Von Frey Anesthesiometer IITC). ...

 

TrkA and PKC-epsilon in thermal burninduced mechanical hyperalgesia in the rat

GJ Summer, KA Puntillo, C Miaskowski, OA Dina… - The Journal of , 2006 - Elsevier

... Received 5 December 2005 Revised 12 April 2006 Accepted 12 April 2006 Available online
6 December ... threshold in animals that underwent a plantar surface burn was assessed using an
electronic von Frey (EvF) model 1601CE anesthesiometer (IITC Life Science ...

 

 

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陕西快乐十分最大遗漏数据