How Much Do You Know About Disposable Cell Brushes?

The single-use cytology brushes are composed of a thumb ring, catheter, long rivet head, positioner, sliding handle, short rivet head, sheath, guide wire, brush head, and connecting tube. It is a single-use product and is usually sterilized with ethylene oxide. It is often used for endoscopic brushing of respiratory and digestive tract tissue samples.

1. Physical Characteristics of Disposable Cytology Brushes

When making disposable cytology brushes, the bristles need to be firmly attached to the guide wire so that they will not be easily dislodged. The connection between the brush head and the guidewire, the brush head and the handle, and the catheter and the handle should be strong enough to prevent disconnection or loosening. The catheter part of the cytology brush also needs to be tough and easy to operate when the winding is loosened and returned to its pre-winding state. The catheter portion of the cytology brushes should have radial rigidity, and there should not occur bending after winding.

2. Chemical and Biological Properties of the Disposable Cytology Brushes

The guide wire in the brush head of cytology brushes should have good corrosion resistance. According to the requirements of YY/T0149-2006 5.4 test evaluation level B: When there occur traces of corrosion, these traces should be able to be removed by wiping. Disposable cytology brushes should be required to meet the requirements of sterility. It should not have the characteristics of acute systemic toxicity and delayed hypersensitivity.

3. The Classification of Disposable Cytology Brushes

Disposable cytology brushes can be classified according to different types of brush heads: I type (straight type), and U type (ring type).

Disposable cell brushes can also be further subdivided into different sizes according to the outer diameter of the brush head, length and effective length of the sheath.

4. Why choose Nano-micro's Disposable Cytology Brushes

As a professional cytology brushes manufacturer, Nano-micro's disposable cytology brushes have the following advantages:

  • Integrated brush head design, no possibility of disgorgement.

  • Smooth and straight outer tube, good bending resistance and maneuverability.

  • Large bristle spread angle for adequate sampling.

Relate Blogs

  • How Much Do You Know About Tracheal Stent Placement?

    How Much Do You Know About Tracheal Stent Placement?

    May 11, 20211. Methods of tracheal stent placementCurrently, there are three methods for tracheal stent placement. The first method is guided by the fiberoptic bronchoscope, and the stent is placed under X-ray fl...view
  • A Brief Analysis of Disposable Biopsy Forceps

    A Brief Analysis of Disposable Biopsy Forceps

    March 11, 20211. Details of the Use of Disposable Biopsy ForcepsThe most critical thing for the use of disposable biopsy forceps is the mastery of strength. Generally, during the operations with forceps, you can u...view
  • Application of Hemostasis Clips Under Endoscope

    Application of Hemostasis Clips Under Endoscope

    May 11, 20211. Hemostasis clips have important functionsGastrointestinal bleeding is a common emergency in internal medicine, which requires surgical treatment to achieve hemostasis. With the development of endos...view
  • Read About The Application of Hemostasis Clip

    Read About The Application of Hemostasis Clip

    March 11, 2021The Scope of application of hemostasis clip:Polypectomy. The hemostatic clip is mainly used on the long pedicle (Ip, Isp type) in polyp resection. The pedicle hemostatic clip can block the nourishing bloo...view
  • The Importance of Biliary Stents

    The Importance of Biliary Stents

    May 11, 2021The biliary system has the functions of secreting, storing, concentrating and transporting bile, and plays an important role in regulating the discharge of bile into the duodenum.Malignant biliary obs...view
  • The Working Priciple of Hemostasis Clip

    The Working Priciple of Hemostasis Clip

    March 11, 20211. Precautions in the Use of Hemostasis ClipsThe opening angle of a hemostasis clip should be mastered, and the opening angle should not be too small.The hemostatic clip at the cardia, under the cardi...view