Unlock instant, AI-driven research and patent intelligence for your innovation.

Mixing apparatus and piercing method for a double-ended needle

A double-ended needle and appliance technology, which is used in medical containers, devices for making medicines into special physical or taking forms, and food packaging, etc. question

Active Publication Date: 2012-05-30
TERUMO KK
View PDF8 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the double-ended needle is connected to the medicine container or the liquid container, before the puncture needle on the liquid container side of the double-ended needle penetrates the plug body of the liquid container, the puncture needle on the medicine container side of the double-ended needle penetrates the plug of the medicine container. body, it will cause the negative pressure of the medicine container to be released, and the liquid cannot be sucked from the liquid container side.
In addition, if the puncture needle on the side of the liquid container of the double-ended needle penetrates the plug of the liquid container before the puncture needle on the side of the drug container of the double-ended needle penetrates the plug of the liquid container, the liquid will leak, causing the liquid to flow into the drug container. The amount of liquid in the medicine changes, and the amount of liquid mixed with the medicine cannot be the right amount
[0005] Therefore, in the conventional mixing device, when the timing when the puncture needle on the side of the double-ended needle penetrates the plug of the medicine container and the timing when the puncture needle on the side of the liquid container penetrates the plug of the liquid container are not the same time, Occurrence of an operation error such as the negative pressure in the drug container being released or the liquid leaking out
In addition, in order to align the above two times, it is possible to speed up the operation speed when the double-ended needle is pierced into the medicine container and the liquid container, but it is difficult for people who lack skills and strength to use it.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Mixing apparatus and piercing method for a double-ended needle
  • Mixing apparatus and piercing method for a double-ended needle
  • Mixing apparatus and piercing method for a double-ended needle

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0064] figure 1 It is an exploded sectional view showing the mixing tool 10 according to the first embodiment of the present invention. The mixing tool 10 is used, for example, to mix a solid or liquid first component and a liquid second component. As described above, the first component is exemplified as solid or liquid, and the second component is exemplified as liquid, but the present invention is not limited thereto. The first component may be in the form of a gel, or may be a gas. Likewise, the second component may also be a solid, gaseous or gel-like substance.

[0065] like figure 1 As shown, the mixing device 10 includes a medicine container (first container) 12 for storing the first component, a medicine side holder (first holder) 14 to which the medicine container 12 is attached, and a liquid container (second container) for holding the second component. 16. The liquid-side holding body (second holding body) 18 to which the liquid container 16 is attached, the do...

no. 2 approach

[0137] Figure 9 It is an exploded perspective view showing the mixing tool 100 according to the second embodiment of the present invention. Figure 10 It is a sectional view showing the mixing tool 100 according to the second embodiment of the present invention.

[0138] like Figure 9 and Figure 10 As shown, the mixing device 100 includes: two drug containers (first container) 112A, 112B, which accommodate a solid or liquid first component; a drug side holder 114 (first holder), which holds two drug containers. Containers 112A, 112B; two liquid containers (second containers) 116A, 116B, which accommodate a liquid second component; a liquid-side holder 118 (second holder), which mounts the two liquid containers 116A, 116B; A double-ended needle 120A, 120B, the double-ended needle 120A is used to communicate with the medicament container 112A and the liquid container 116A, and the double-ended needle 120B is used to communicate with the medicament container 112B and the li...

no. 3 approach

[0193] Figure 13 It is an exploded cross-sectional view showing a mixing tool 200 according to a third embodiment of the present invention. In addition, in the mixing device 200 of the third embodiment, components that are the same as those of the mixing device 10 of the first embodiment or that have the same functions and effects are denoted by the same reference numerals and detailed descriptions thereof are omitted.

[0194] This mixing tool 200 has a structure in which the connector 22 of the mixing tool of the first embodiment is replaced with a connector 202 having a different structure from the connector 22 . A double-ended needle 204 for communicating the medicine container 12 and the liquid container 16 is provided in the connector 202 . The double-ended needle 204 includes a first piercing needle 206 pierced into the first plug body 26 , and a second piercing needle 208 pierced into the second plug body 30 . The double-ended needle 204 is provided integrally with ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a mixing apparatus and a piercing method for a double-ended needle. Disclosed is a mixing apparatus (10) for mixing a first component and a second component, the mixing apparatus (10) comprising: a first vessel (12) which has a negative internal pressure and houses the first component; a second vessel (16) which houses the second component; and a double-ended needle (20) which allows communication between the first vessel (12) and the second vessel (16) when a first stopper element (26) and a second stopper element (30) have been pierced through by said double-ended needle (20). Penetration-resistance increasing parts (64, 66) which have a greater penetration resistance with respect to the first stopper element (26) and the second stopper element (30) than tip end tubes (60, 62) are respectively provided on a first puncture needle (42) and a second puncture needle (44) of the double-ended needle (20) at positions further towards the base end than the tip end tubes (60, 62). The axial heights of the edge faces of the tip end tubes (60, 62) are both less than the thicknesses of the first stopper element (26) and of the second stopper element (30).

Description

technical field [0001] The present invention relates to, for example, a mixing tool and a double-ended needle piercing method for mixing a solid or liquid first component and a liquid second component. Background technique [0002] Conventionally, in medical institutions, etc., for example, in the case of drip injection (infusion) to patients or injection of anti-adhesion agents, biological tissue adhesives, etc., sometimes dilute or dissolve drugs with liquids to prepare medicines, Use by aspirating the syrup with a syringe. In this case, to obtain the liquid medicine, a device having a double-ended needle is used, one needle of which pierces the stopper body (rubber stopper) of the medicine container to be connected with the medicine container, and the other needle pierces the liquid container. The plug body is connected with the liquid container, thereby connecting the medicine container and the liquid container. The inside of the medicine container contains solid or liq...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A61J3/00
CPCA61J1/2089A61J2001/2013A61J2001/2065A61J1/2065A61J1/2013A61J1/201
Inventor 横山研司泽田明
Owner TERUMO KK