Pre-filled needle needle rigidity tester operating procedure

Jinan Sanquan Zhongshi fully implements the standard of stainless steel injection needle for YBB00092004-2015 pre-filled syringe, developed and produced pre-filled needle rigidity tester GXY-02, stainless steel injection needle for pre-filled syringe for standard requirements of medicine packaging materials Rigidity test, also known as medical needle rigid tester, medical syringe tester, etc.

Pre-filled injection needle rigidity tester

Pre-filled injection needle rigidity tester YBB00092004-2015


Experimental principle: A prescribed force is applied to the center of a prescribed span of a needle tube supported at both ends, and the deflection value of the needle tube is measured.

Test procedure: Take the appropriate amount of this product after separation from the glass needle tube. The rigid test instrument can exert a force of up to 60N (accuracy: ±0.1N) through the force pushing rod and act vertically downward on the needle tube.

The lower end of the force pushing rod is composed of a cylindrical shape with an angle of 60° and a cylindrical surface with a radius of curvature of lmm. The width of the push rod is at least 5 mm, and the needle rigidity tester is adjusted as follows:


a) making the span the value corresponding to the gauge of the needle to be tested;


b) positioning the end surface of the force pushing rod at the center of the span;


c) Keep the needle tube perpendicular to the two needle holders and the forceps, while making the needle centerline coincide with the centerline of the needle holder.


Test according to the specified span and load conditions: According to the force corresponding to the specification of the needle tube, the bending force is applied downward to the needle tube by the force pushing rod at a rate of lmm/min, and the deflection of the needle tube at the point of application is measured and recorded. , to the accuracy of 0.01mm, max deflection should meet the requirements of Table 1.

specification

Mm

Normal wall

Thin wall

Ultra-thin wall

Span, mm±0.1

Load, N±0.1

Maximum deflection mm

Span, mm±0.1

Load, N±0.1

Maximum deflection mm

Span, mm±0.1

Load, N±0.1

Maximum deflection mm

0.30

0.33

0.36

0.40

0.45

0.50

0.55

0.60

0.70

0.80

0.90

1.10

1.20

1.40

1.60

1.80

2.10

2.40

2.70

3.00

3.40

5

5

5

9.5

10

10

10

12.5

15

15

17.5

25

25

25

25

25

30

40

40

50

50

5.5

5.5

5.5

5.5

6

7

10

10

10

15

15

10

20

twenty two

twenty two

25

40

40

50

50

60

0.40

0.32

0.25

0.60

0.56

0.38

0.50

0.40

0.45

0.41

0.48

0.45

0.45

0.45

0.25

0.35

0.40

0.38

0.31

0.41

0.32

5

5

5

7.5

10

10

10

12.5

15

15

17.5

25

25

25

25

25

30

40

40

50

50

5.5

5.5

5.5

5.5

5.5

7

10

10

10

15

15

10

20

twenty two

twenty two

25

40

40

50

50

60

0.45

0.37

0.30

0.65

0.61

0.43

0.55

0.45

0.50

0.50

0.65

0.55

0.55

0.55

0.30

0.45

0.50

0.65

0.45

0.55

0.46

-

-

-

-

-

-

-

12.5

15

※

※

25

※

※

25

※

※

-

-

-

-

-

-

-

-

-

-

-

10

10

※

※

10

※

※

twenty two

※

※

-

-

-

-

-

-

-

-

-

-

-

0.50

0.55

※

※

0.65

※

※

0.34

※

※

-

-

-

-

Note: For those who call ※ , there is no valid data for these specifications, so the standard does not give the rigidity value.

Medical injection needle rigidity test conditions

Jinan Sanquan Zhongshi Experimental Instrument Co., Ltd. (registered brand: Sumspring Sanquan Zhongshi) is a high-tech innovative enterprise specializing in the research and development and sales of laboratory analytical instruments. The company was established in 2007 and specializes in quality inspection and drug inspection systems. The food industry, pharmaceutical industry, packaging and printing industry, adhesive industry, home appliance industry, etc. provide packaging materials scientific testing instruments and comprehensive quality control solutions.

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