Combined container-syringe assembly method

Abstract

The present invention provides a combined container-syringe comprising a syringe body containing a cylindrical-shaped cylinder; a cylindrical tip provided at the anterior end of said cylinder; a finger grip fitted to the posterior end of the cylinder; an injection needle fitted to the cylindrical tip; and a protector covering said injection needle. In addition, the present invention provides a method of assembling a combined container-syringe characterized in comprising an injection needle assembly preparatory process of preparing an injection needle assembly; a detection process of detecting the position of the cutting surface; a mark display process of indicating the detected position of the cutting surface; an aligning process of aligning the positions of the mark and a scale display provided on the exterior portion of the cylinder, on the circumference of the cylinder; and a fitting process of fitting the injection needle assembly to the cylindrical tip.

What is claimed is:  
     
         1 . A method of assembling a combined container-syringe comprising a syringe body containing a cylindrical-shaped cylinder; a cylindrical tip provided at an anterior end of the cylinder; a finger grip engaged to a posterior end of said cylinder; an injection needle fitted to said cylindrical tip; and a protector covering said injection needle; said method of assembling said combined container-syringe is characterized in comprising: 
 an injection needle assembly preparatory process of preparing an injection needle assembly comprising said injection needle and said protector;    a detection process of detecting the position of a cutting surface on a circumference of said injection needle in said injection needle assembly from the exterior of said protector;    a mark display process of marking and displaying a mark on the exterior of said injection needle assembly indicating the detected position of said cutting surface;    an aligning process of aligning the position of said mark formed in said mark display process and the position of a scale display provided on an exterior portion of said cylinder on a circumference of said cylinder; and    a fitting process of fitting said injection needle assembly to said cylindrical tip.    
     
     
         2 . A method of assembling a combined container-syringe according to  claim 1 , further comprising, after completing said fitting process, an adjustment process of engaging said finger grip to the posterior end of said cylinder in a manner that allows rotation, and adjusting the position of said finger grip by rotating said finger grip around the axial circumference of said cylinder, such that the position of a finger rest of said finger grip falls into a predetermined position on the circumference of said cylinder with respect to the position of said mark.  
     
     
         3 . A method of assembling a combined container-syringe according to  claim 1 , further comprising, prior to said fitting process, an adjustment process of engaging said finger grip to the posterior end of said cylinder in a manner that allows rotation, and adjusting the position of said finger grip by rotating said finger grip around the axial circumference of said cylinder, such that the position of a finger rest of said finger grip falls into a predetermined position on the circumference of said cylinder with respect to the position of said display scale.  
     
     
         4 . A method of assembling a combined container-syringe according to  claim 1 , further comprising, prior to said fitting process, a scale display formation process of forming a scale display by means of adhering a label displaying a scale onto the exterior portion of said cylinder.  
     
     
         5 . A method of assembling a combined container-syringe according to  claim 4 , wherein said scale display formation process is carried out by adhering said label to the exterior portion of said cylinder, such that the position of said label falls into a predetermined position on the circumference of said cylinder with respect to the position of a finger rest of said finger grip, after an adjustment process of engaging said finger grip to the posterior end of said cylinder in a manner that allows rotation, and adjusting the position of said finger grip by rotating said finger grip around the axial circumference of said cylinder, such that the position of said finger rest of said finger grip falls into a predetermined position on the circumference of said cylinder with respect to the position of said display scale.  
     
     
         6 . A method of assembling a combined container-syringe according to  claim 1 , wherein in said fitting process of fitting said injection needle assembly to said cylindrical tip, a cylindrical tip that is attachable to the anterior end of said cylinder is fitted to said injection needle assembly, and said injection needle assembly fitted with said cylindrical tip is then attached to the anterior end of said cylinder.  
     
     
         7 . A method of assembling a combined container-syringe according to  claim 1 , further comprising, prior to said fitting process of fitting said injection needle assembly to said cylindrical tip, an attaching process of attaching a cylindrical tip that is attachable to the anterior end of said cylinder to the anterior end of said cylinder.  
     
     
         8 . A method of assembling a combined container-syringe according to  claim 7 , wherein in said fitting process of fitting said injection needle assembly to said cylindrical tip, said cylindrical tip that is attachable to the anterior end of said cylinder comprises a hub luer lock containing a luer locking member with a luer tapered member and a screw member; and said injection needle assembly is fitted to said cylindrical tip by means of fitting a needle base attached to said injection needle to said luer tapered member and engaging it with said screw member of said luer locking member.  
     
     
         9 . A method of assembling a combined container-syringe comprising a syringe body containing a cylindrical-shaped cylinder; a cylindrical tip provided at an anterior end of the cylinder; a finger grip engaged to a posterior end of said cylinder; an injection needle fitted to said cylindrical tip; and a protector covering said injection needle; said method of assembling said combined container-syringe is characterized in comprising: 
 an injection needle assembly preparatory process of preparing an injection needle assembly comprising said injection needle and said protector;    a detection process of detecting a position of a cutting surface on the circumference of said injection needle in said injection needle assembly from the exterior of said protector;    a mark display process of marking and displaying a mark on the exterior of said injection needle assembly indicating the detected position of said cutting surface;    a fitting process of fitting said injection needle assembly, which has been marked, to said cylindrical tip; and    a scale display formation process of forming a scale display by means of adhering a label displaying a scale onto the exterior portion of said cylinder fitted with said injection needle assembly, in a position on the circumference of said cylinder that is aligned with the position of said mark.    
     
     
         10 . A method of assembling a combined container-syringe according to  claim 9 , further comprising, after said fitting process of fitting said injection needle assembly to said cylindrical tip, an engaging process of engaging said finger grip to the posterior end of said cylinder in a manner that allows rotation, and adjusting the position of said finger grip by rotating said finger grip around an axial circumference of said cylinder, such that the position of a finger rest of said finger grip falls into a predetermined position on the circumference of said cylinder with respect to the position of said mark.  
     
     
         11 . A method of assembling a combined container-syringe according to  claim 9 , wherein in said fitting process of fitting said injection needle assembly to said cylindrical tip, said injection needle assembly is fitted to said cylindrical tip in a manner such that the position of said mark falls into a predetermined position on the circumference of said cylinder with respect to the position of a finger rest of said finger grip which has been fitted to said cylinder.  
     
     
         12 . A method of assembling a combined container-syringe according to  claim 9 , further comprising, prior to said fitting process of fitting said injection needle assembly to said cylindrical tip, an attaching process of attaching a cylindrical tip that is attachable to the anterior end of said cylinder, to the anterior end of said cylinder.  
     
     
         13 . A method of assembling a combined container-syringe according to  claim 12 , wherein in said fitting process of fitting said injection needle assembly to said cylindrical tip, said cylindrical tip that is attachable to the anterior end of said cylinder comprises a hub luer lock containing a luer locking member with a luer tapered member and a screw member; and said injection needle assembly is fitted to said cylindrical tip by means of fitting said needle base to said luer tapered member and engaging it with said screw member of said luer locking member.  
     
     
         14 . A method of assembling a combined container-syringe comprising a syringe body containing a cylindrical-shaped cylinder; a cylindrical tip provided at an anterior end of the cylinder; a finger grip engaged to a posterior end of said cylinder; an injection needle fitted to said cylindrical tip; and a protector covering said injection needle; said method of assembling said combined container-syringe is characterized in comprising: 
 an injection needle assembly preparatory process of preparing an injection needle assembly comprising said injection needle and said protector;    a detection process of detecting the position of a cutting surface on the circumference of said injection needle in said injection needle assembly from the exterior of said protector;    an aligning process of aligning said injection needle assembly such that the detected position of said cutting surface and the position of a scale display provided on the exterior portion of said cylinder on the circumference of said cylinder are in alignment; and    a fitting process of fitting said aligned injection needle assembly to said cylindrical tip.    
     
     
         15 . A method of assembling a combined container-syringe comprising a syringe body containing a cylindrical-shaped cylinder; a cylindrical tip provided at an anterior end of the cylinder; a finger grip engaged to a posterior end of said cylinder; an injection needle fitted to said cylindrical tip; and a protector covering said injection needle; said method of assembling said combined container-syringe is characterized in comprising: 
 a fitting process of fitting said injection needle to said cylindrical tip;    a grip-engaging process of engaging said finger grip to the posterior end of said cylinder;    a detection process of detecting the position, on the circumference of said cylinder, of a cutting surface of said injection needle while rotating said cylinder fitted with said injection needle along the axial circumference thereof; and    an aligning process of aligning the position of said finger grip with the position of said cutting surface of said injection needle by means of rotating said finger grip, which is fitted to said cylinder, relative to said cylinder.    
     
     
         16 . A method of assembling a combined container-syringe according to  claim 15 , further comprising, after said aligning process, a mark display process of marking and displaying a mark on the exterior of said cylinder indicating the detected position of said cutting surface.  
     
     
         17 . A method of assembling a combined container-syringe according to  claim 16 , wherein, in said mark display process, said position of said cutting surface is marked and displayed on the exterior of said cylinder by means of adhering a label displaying a scale onto the exterior portion of said cylinder.  
     
     
         18 . A method of assembling a combined container-syringe according to  claim 16 , further comprising, between said aligning process and said mark display process, a drug filling process of filling the interior of said cylinder with a drug.  
     
     
         19 . A method of assembling a combined container-syringe according to  claim 15 , further comprising, prior to said grip-engaging process, a drug filling process of filling the interior of said cylinder with a drug, and inserting a plunger into said cylinder, wherein, in said grip-engaging process, said finger grip is engaged to said cylinder from a radial direction by means of utilizing an opening provided radially in said finger grip.  
     
     
         20 . A method of assembling a combined container-syringe according to  claim 15 , further comprising, prior to said fitting process of fitting said injection needle to said cylindrical tip, an attaching process of attaching a cylindrical tip that is attachable to the anterior end of said cylinder, to the anterior end of said cylinder.  
     
     
         21 . A method of assembling a combined container-syringe according to  claim 20 , wherein, said cylindrical tip that is attachable to the anterior end of said cylinder comprises an attachment member utilizing a direct attachment system, a luer tip system, or a luer lock system to said injection needle.  
     
     
         22 . A method of assembling a combined container-syringe according to  claim 20 , further comprising an engaging process of engaging a transparent or semi-transparent protector, for covering said injection needle, to said cylindrical tip after fitting said injection needle to said cylindrical tip.  
     
     
         23 . A method of assembling a combined container-syringe comprising a syringe body containing a cylindrical-shaped cylinder; a cylindrical tip provided at an anterior end of the cylinder; a finger grip engaged to a posterior end of said cylinder; an injection needle fitted to said cylindrical tip; and a protector covering said injection needle; said method of assembling said combined container-syringe is characterized in comprising: 
 a front assembly preparatory process of preparing a front assembly including said cylindrical tip and said injection needle;    an assembly fitting process of fitting said front assembly to the anterior end of said cylinder;    a detection process of detecting the position, on the circumference of said cylinder, of a cutting surface of said injection needle while rotating said cylinder fitted with said front assembly along the axial circumference thereof; and    an aligning process of aligning a predetermined position of said finger grip with the position of said cutting surface of said injection needle by means of rotating said cylinder with respect to said front assembly.    
     
     
         24 . A method of assembling a combined container-syringe according to  claim 23 , further comprising, prior to said aligning process, a process of providing a mark on a smooth surface of said finger grip or a finger rest for identifying the position of the cutting surface of said injection needle.  
     
     
         25 . A method of assembling a combined container-syringe according to  claim 23 , further comprising, after said aligning process, a mark display process of marking and displaying a mark on the exterior of said cylinder indicating said position of said cutting surface.  
     
     
         26 . A method of assembling a combined container-syringe according to  claim 25 , wherein, in said mark display process, said position of said cutting surface is marked on the exterior of said cylinder by means of adhering a label displaying a scale onto the exterior portion of said cylinder.  
     
     
         27 . A method of assembling a combined container-syringe according to  claim 23 , wherein, said cylindrical tip that is attachable to the anterior end of said cylinder comprises an attachment member which utilizes a direct attachment system, a luer tip system, or a luer lock system to said injection needle.  
     
     
         28 . A method of assembling a combined container-syringe according to  claim 23 , further comprising an engaging process of engaging a transparent or semi-transparent protector, for covering said injection needle, to said front assembly; and in said cutting surface detection process, the position of said cutting surface is detected from the exterior of said protector.  
     
     
         29 . A method of assembling a combined container-syringe according to  claim 23 , further comprising a steam sterilization process after said aligning process, wherein said cylindrical tip comprises polypropylene or poly-4-methylpentene.