JP3201497U - Self-adhesive bandage - Google Patents

Abstract

[PROBLEMS] To easily apply and re-apply at the time of hemostasis, surgery or treatment of the head, have good hand-cutting properties, and hair does not come off or become painful at the time of peeling. To provide a self-dressing bandage that can fix gauze and the like. A self-adhesive bandage obtained by adhering a self-adhesive to a woven or knitted base fabric, the self-adhesive bandage having a self-adhesive strength of 0.5 to 8.0 N / 38 mm, A self-dressing bandage for a head having a tensile strength in the length direction of 40 to 160 N / 38 mm and a rewinding force of 0.5 to 12 N / 50 mm. [Selection] Figure 1

Description

  The present invention relates to a self-dressing bandage for a head for fixing a gauze or the like used in the medical field, particularly at the time of hemostasis, surgery, or treatment of the head.

  Conventionally, when hemostasis is applied to the head or when a drug is applied after suturing, the affected area is covered with gauze and then fixed with an adhesive bandage such as surgical tape, or a non-adhesive bandage from above the gauze. The method of winding and fixing has been used. However, in the case of fixing with an adhesive bandage, there are problems such as the hair coming off at the time of peeling, and being damaged at the time of peeling. In the case of fixing with a non-adhesive bandage (Patent Document 1), there is a problem that the fixing force is weak and the gauze falls during application, and the gauze is displaced from the affected part during application.

JP-A-57-1119748

  The present invention was made in order to improve this point, and at the time of hemostasis of the head, at the time of surgery, or at the time of treatment, it is easy to apply, can be reapplied, and has good hand cutting properties. It is an object of the present invention to provide a self-adhesive bandage for a head that can fix gauze and the like without causing hair loss or pain during peeling.

  That is, according to the present invention, a self-adhesive bandage obtained by adhering a self-adhesive to a base fabric woven or knitted with a warp in the length direction of the bandage and a weft in the width direction. The bandage has a self-back adhesive strength of 0.5 to 8.0 N / 38 mm, a tensile strength in the length direction of 40 to 160 N / 38 mm, and a rewinding force of 0.5 to 12 N / 50 mm. A featured self-dressing bandage for the head is provided.

Moreover, according to this invention, the self-dressing band for heads of the following (1)-(2) is provided as an embodiment.
(1) A self-adhesive bandage in which a self-adhesive agent is attached to a base fabric woven or knitted with warp yarns in the length direction and weft yarns in the width direction, wherein the self-adhesive bandage has a tear strength. The self-adhesive bandage for heads described above, wherein is 3 to 50N.
(2) A self-adhesive bandage obtained by attaching a self-adhesive to a base fabric woven or knitted with warp yarns in the length direction and weft yarns in the width direction, wherein the self-adhesive agent is a synthetic rubber or The said self-adhesive bandage for heads which contains natural rubber latex and the adhesion amount of the said self-adhesive is 50-80 g / m <2>.

  With the present invention, it is easy to apply and can be reapplied at the time of hemostasis, surgery, or treatment of the head. A self-dressing bandage capable of fixing gauze or the like is provided.

It is a perspective view which shows the Example of this invention. It is explanatory drawing which shows the measuring method of tear strength.

  The self-adhesive bandage of the present invention (hereinafter sometimes referred to as a self-adhesive bandage) is a self-adhesive bandage in which a self-adhesive agent is applied to a base fabric, and is characterized by a combination of the base fabric and the self-adhesive agent. .

1. Base Fabric The base fabric of the present invention is woven or knitted with warp yarns in the length direction and weft yarns in the width direction. In the woven fabric, the wefts may be woven by a single ring stitching method.
The warp and weft that can be used in the base fabric of the present invention are not limited in material and type. Specifically, elastic yarns that can be used in the self-adhesive bandage of the present invention include cotton / polyurethane blended yarn, polyester / polyurethane blended fiber, stretchable polyurethane blended fiber such as nylon / polyurethane blended fiber, or a core of polyurethane fiber. Core spun yarn wrapped with synthetic fibers such as cotton and wool can be used.
As the inelastic yarn, cotton, silk yarn, wool yarn, or synthetic fiber such as polyester, nylon, polyolefin, or the like can be used as appropriate. Inelastic yarns are usually used that stretch only 10% or less, and hardly stretch when stretched by hand. It is preferable to use an inelastic yarn as the weft and an elastic yarn as the warp, because the elastic yarn can be stably wound around the head and the gauze can be fixed.

  The basis weight of the base fabric is preferably 50 to 300 g / m2, and more preferably 150 to 200 g / m2.

2. Self-adhesive agent The self-adhesive bandage for the head of the present invention adheres a self-adhesive agent containing a self-adhesive component to the surface of a base fabric. By attaching the self-adhesive agent to the base fabric, the bandage can have the property of adhering to the wound portion, and when trying to tear the self-adhesive bandage of the present invention by hand, By adhering to the base fabric, the warp yarns extend in the length direction and the wefts picked up by the hands are prevented from slipping out with respect to the warp yarns.

The self-adhesive component is preferably natural rubber (including deproteinized natural rubber) or butadiene rubber, styrene-butadiene rubber, isoprene rubber, chloroprene rubber, acrylonitrile-butadiene rubber (nitrile rubber), acrylic rubber, etc. The synthetic rubber or a mixture thereof, and the self-adhesive component does not contain a tackifier and may not be tacky. The component having self-adhesive properties is an emulsion type or a spread type, and an emulsion type is preferable from the viewpoint of the environment. If it is an emulsion type, a self-adhesive component in which 90 to 99% of natural rubber, 0.1 to 5.0% of an anti-aging agent, and 0.1 to 5.0% of a surfactant are blended is preferable. . Two or more anti-aging agents and surfactants can be blended as necessary. This self-adhesive component is adhered by spray coating, roll coater method, dipping method or the like.
This adhesion amount is usually such that it does not deteriorate the air permeability by closing the fabric weave or stitch, and is preferably about 50 to 80 g / m 2, more preferably 60 to 70 g / m 2 (dry).
The ratio of the basis weight of the base fabric to the adhesion amount (base fabric basis weight (g / m2) / adhesion amount (g / m2)) is preferably 1.6 to 3.2, more preferably 2.0 to 2.7. .

3. Self-adhesive bandage for the head The self-adhesive bandage for the head of the present invention is a self-adhesive made by adhering a self-adhesive to a base fabric woven or knitted with warp yarns in the length direction and weft yarns in the width direction. The self-dressing band has a self-back surface adhesive strength of 0.5 to 8.0 N / 38 mm, a tensile strength in the length direction of 40 to 160 N / 38 mm, and a rewinding force of 0.00. The self-adhesive bandage for the head described above, wherein the bandage is 5 to 12 N / 50 mm. The self-dressing bandage for the head of the present invention has the above-mentioned characteristics, so that it can be applied easily, can be reapplied, has good hand-cutting properties, and the hair may come off or become painful at the time of peeling. In addition, it is possible to provide an effect of providing a self-dressing bandage for a head capable of fixing gauze or the like.
Specifically, the effect of the self-adhesive bandage for a head according to the present invention can be confirmed by the self-back adhesive force, tensile strength, unwinding force, and tear strength measured by a predetermined method.

  The head refers to the part that hits the head, and includes the part where the face and hair grow.

[Self-back adhesive strength]
The self-adhesive strength of the self-adhesive bandage of the present invention is in the range of 0.5 to 8.0 N / 38 mm, and preferably in the range of 1.0 to 6.0 N / 38 mm. The self-adhesive bandage of the present invention has the self-adhesive strength within the above-mentioned range, so even if it is applied from above the hair, the hair does not come off at the time of peeling, it is not painful at the time of peeling, and it can be applied again. It is possible and can fix gauze stably.
The self-adhesive bandage of the self-adhesive bandage cuts the self-adhesive bandage into 120 mm (length direction) x 38 mm (width direction) length, which is 120 mm (length direction) x 38 mm width. Affixed to the base fabric (self-rear surface) of the self-adhesive bandage cut in the width (width direction), and with an Instron type tensile tester, the peeling speed was set to 300 ± 30 mm / min and the 180 ° peeling force (N) was Determined by measurement (unit: N / 38 mm).

[Tensile strength]
The tensile strength in the length direction of the self-adhesive bandage of the present invention is in the range of 40 to 160 N / 38 mm, preferably 50 to 150 N / 38 mm, more preferably 60 to 145 N / 38 mm. Since the self-adhesive bandage of the present invention has a tensile strength in the above range, it can be easily attached to the head even with a small force, and the gauze can be stably fixed. The tensile strength in the width direction is not particularly limited, but is preferably 550 to 750 N / 38 mm.
As for the tensile strength of the self-adhesive bandage for the head, the self-adhesive bandage for the head is cut into a length of 150 mm (length direction) × 38 mm (width direction), and a cloth tape is pasted on both outer sides to form a grip portion. The gripping interval is set to 100 mm, the tape is pulled by an Instron type tensile tester at a speed of 300 ± 30 mm / min until the tape breaks, and is obtained from the stress at the time of breaking (unit: N / 38 mm).

[Tensile strength]
The tensile strength in the length direction of the self-adhesive bandage of the present invention is in the range of 40 to 160 N / 38 mm, preferably 50 to 150 N / 38 mm, more preferably 60 to 145 N / 38 mm. Since the self-adhesive bandage of the present invention has a tensile strength in the above range, it can be easily attached to the head even with a small force, and the gauze can be stably fixed. Although the tensile strength in the width direction is not particularly limited, 600 to 750 N / 38 mm is preferable.
As for the tensile strength of the self-adhesive bandage for the head, the self-adhesive bandage for the head is cut into a length of 150 mm (length direction) × 38 mm (width direction), and a cloth tape is pasted on both outer sides to form a grip portion. The gripping interval is set to 100 mm, the tape is pulled by an Instron type tensile tester at a speed of 300 ± 30 mm / min until the tape breaks, and is obtained from the stress at the time of breaking (unit: N / 38 mm).

[Rewinding force]
The unwinding force of the self-adhesive bandage of the present invention is in the range of 0.5 to 12 N / 50 mm, preferably 0.5 to 10 N / 50 mm, more preferably 0.5 to 8 N / 50 mm. The self-adhesive bandage for the head according to the present invention has a rewinding force in the above-mentioned range. The bandage can be applied while peeling off the roll with the other hand. If the unwinding force is too large, the roll-shaped self-adhesive bandage may not be applied while being peeled with one hand. Even when the roll-shaped self-adhesive bandage can be applied while being peeled off with one hand, a large force is applied to peel off the roll from the roll, and the force may be transmitted to the affected area and cause vibration to the affected area.
The unwinding force of the self-adhesive bandage is a metal frame in which a cylindrical shaft is fitted in the hollow part of the core (paper tube) of the self-adhesive bandage for the head, and both ends of the shaft are supported freely to rotate. Is fixed to one gripping tool of the tensile tester, and the tip of the tape is fixed to the other gripping tool, and is obtained from the stress when pulling at a speed of 300 ± 30 mm / min (unit: N / 50 mm).

[Tear strength]
The tear strength of the self-adhesive bandage of the present invention is preferably in the range of 3 to 50N, more preferably 5 to 45N, and even more preferably 10 to 40N. The self-adhesive dressing for a head according to the present invention has a tear strength in the above-described range, and thus has good hand-cutting properties, and does not require scissors or the like at the time of application, so that it can be applied easily. If the tear strength is too large, the hand cutting property is poor, and it may not be cut with normal force, or the cut surface may fray and the appearance of the cut surface may be deteriorated.
The tear strength of the head bandage is determined by cutting the head bandage into a length of 150 mm (length direction) x width of 40 mm (width direction), as shown in FIG. Is marked with an isosceles trapezoid with a long side of 70 mm and a short side of 25 mm. Using an Instron type tensile tester, the gripping interval is set to 25 mm, and the trapezoidal isosceles part of the test piece is sandwiched between 1000 ± 30 mm / min. The maximum load at the time of tearing is measured and determined (unit: N).

  The self-adhesive bandage for the head of the present invention is usually a roll wound around a paper core, and when this is used, for example, the affected part of the head is covered with gauze and the head is self-attached from above. Start covering the bandage and roll it up slightly in the longitudinal direction (length direction). The self-adhesive bandage is laminated by rotating the head one or more times, and is pressed so that the self-adhesive bandages are self-adhered with fingers, and then the self-adhesive bandage is divided and used by hands or scissors. When cutting by hand, it can be torn by picking part of the side edge of the bandage with both hands and pulling it laterally. In particular, in the case of a woven base fabric, it can be torn more easily than a knitted base fabric, and the appearance after cutting is good.

  The size of the self-adhesive bandage for the head of the present invention is not particularly limited, but is preferably 3 cm to 10 cm in the width direction and more preferably 4 cm to 7 cm from the viewpoint of ease of sticking and ease of fixing the gauze. In the length direction, in the case of a roll, it is preferable to have a size that can be held with one hand.

  EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to these examples. The method of measuring the characteristics and physical properties of the self-dressing bandage for the head of the present invention and the method of evaluating the usability are as follows.

[Self-back adhesive strength]
Self-dressing bandage for head is cut into 120mm length (length direction) x 38mm width (width direction), and this is cut into 120mm length (length direction) x width 38mm width (width direction) Affixed to the body (self-rear surface) and measured with an Instron type tensile tester at a peeling speed of 300 ± 30 mm / min, 180 ° peel strength (N), and self-rear surface adhesive strength (N / 38 mm) (Average value of n = 3).

[Tensile strength]
The self-adhesive bandage for the head is cut to 150 mm (length direction) × 38 mm (width direction), and cloth tape is pasted on both outer sides to form a grip portion. The holding interval was set to 100 mm, and the tape was pulled at 300 ± 30 mm / min with an Instron type tensile tester until the tape broke, and the stress at the time of breaking was defined as the tensile strength (N / 38 mm) (n = 3 Average value).

[Rewinding force]
Fit the cylindrical shaft into the hollow part of the core (paper tube) of the self-adhesive bandage for the head cut to a width of 50 mm, and fix the metal frame that supports both ends of the shaft to rotate freely to one of the grips of the tensile tester. The tip of the tape was fixed to the other gripping tool, and the stress when pulling at a speed of 300 ± 30 mm / min was defined as the unwinding force (N / 50 mm) (average value of n = 3).

[Tear strength]
The self-adhesive bandage for the head is cut into a length of 150 mm (length direction) × width of 40 mm (width direction), and as shown in FIG. 2, a long side is 70 mm, a short side is 25 mm, etc. Mark the leg trapezoid, use an Instron type tensile tester to clamp the trapezoidal isosceles part of the test piece with a grip interval of 25 mm, measure the maximum load when tearing at 1000 ± 30 mm / min, and tear Strength (N) was taken (average value of n = 3).

[Usability evaluation method]
Ease of applying the self-adhesive dressing for the head, hand cutting, gauze fixation, pain at the time of peeling, and hair removal at the time of peeling were evaluated by the following methods. That is, a gauze cut into a size of 3 cm wide × 5 cm long is applied to the subject's head (the part where the hair grows), and 5 m from the top in the width direction and 4 m in the length direction from the core (diameter 3 cm) It started to cover the self-adhesive bandage wrapped around the head, and it was wrapped slightly in the longitudinal direction (length direction). The bandage was laminated by turning around the head for more than one and a half times, pressed so that the bandages laminated with the fingers were self-attached, then cut by hand and pasted, and peeled off after pasting for 1 hour. Ease of application, hand cutting, gauze fixation during application, pain at the time of peeling, and hair removal at the time of peeling were evaluated according to the following criteria.
(Easy to paste)
A: It can be easily applied by one person without applying force.
B: Can be pasted by one person, but takes time.
C: It is difficult for one person to apply.
(Hand cutting)
A: It can be easily cut by hand and the cut surface is not frayed.
B: Can be cut by hand, but requires great force and frays on the cut surface.
C: It is difficult to cut by hand.
(Gauze fixation)
A: The gauze is fixed.
B: Although gauze is fixed at the time of sticking, it falls on the way or shifts from the affected part.
C: The gauze is not fixed and falls immediately.
(Pain when peeling)
A: I do not feel pain.
B: I feel a little pain.
C: I feel pain.
(Hair removal when peeling)
A: The hair does not come off.
B: A little hair falls out.
C: A lot of hair comes out.

[Example 1]
As the warp, a No. 40 core spun yarn in which a 78 dtex polyurethane elastic yarn was used as a core yarn and a cotton yarn was wound around it as a sheath yarn was used, and No. 16 cotton yarn was used as the weft. The base fabric is sprayed uniformly with a self-adhesive agent mainly composed of deproteinized NR latex (Celatex 3821), cut to 5 cm in the width direction, and wound with a self-adhesive bandage for 4 m in the length direction. One volume. About this self-adhesive bandage, self-back adhesive strength, tensile strength, rewinding strength, tear strength, ease of application, hand tearability, gauze fixation, pain when peeling, hair removal when peeling Table 1 shows the results of measurement or evaluation.

[Example 2]
Dewaxed NR latex on a base fabric formed by driving a weft yarn made of cotton into a place where polyurethane blended yarn and cotton yarn are homogeneously arranged at a ratio of 1: 2 as the warp. A self-adhesive agent mainly composed of (Seratx 3821) was sprayed uniformly to obtain a self-adhesive bandage for the head. It cut | judged to 5 cm in the width direction, and wound the self-adhesive bandage for heads in the length direction, and made it 1 volume. About this self-adhesive bandage, self-back adhesive strength, tensile strength, rewinding strength, tear strength, ease of application, hand tearability, gauze fixation, pain when peeling, hair removal when peeling Table 1 shows the results of measurement or evaluation.

  It was found that the self-dressing bandages for heads of Example 1 and Example 2 were easy to apply, had good hand-cutting properties, good gauze fixing properties, no pain at the time of peeling, and hair did not come off at the time of peeling. In addition, it could be reapplied at the time of application.

Claims (3)

  A self-adhesive bandage obtained by adhering a self-adhesive to a base fabric woven or knitted with warp yarns in the length direction and weft yarns in the width direction. Self-adhesion for the head, characterized in that the tensile strength in the length direction is 40 to 160 N / 38 mm and the rewinding force is 0.5 to 12 N / 50 mm. bandage.   A self-adhesive bandage obtained by attaching a self-adhesive to a base fabric woven or knitted with warp yarns in the length direction of the bandage and weft yarns in the width direction, the self-adhesive bandage having a tear strength of 3 to 3 The self-dressing bandage for a head according to claim 1, wherein the bandage is 50N.   A self-adhesive bandage obtained by adhering a self-adhesive to a base fabric woven or knitted with a warp in the length direction of the bandage and a weft in the width direction, wherein the self-adhesive is a synthetic rubber or natural rubber latex The self-adhesive bandage for a head according to claim 1, wherein the adhesion amount of the self-adhesive is 50 to 80 g / m 2.