JPS62500704A - Ports and resilient closures - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Boats and resilient closures This is Kai■! amount The present invention relates to a boat and closure assembly. In particular, the present invention provides medical solution containers. Concerning boats and resilient closures for.

Typically, an elongated boat accesses the solution contained in a flexible container. used for. As used herein, the term boat is exclusive. but not including fittings, valves and other means for access to the container. boat serves as a means of accessing the solution at the injection site or in a flexible container. Ru. For this purpose, the boat has an open end that can accommodate a needle or other piercing member. Contains. In the medical field, these flexible containers are used for parenteral solutions, intraperitoneal M'i1m precipitate Others can be accommodated. An example of such a container is Diyaf, Illinois. Traded by Travenol, Laboratories, Inc. VIAFLEX Colabciple plastic containers for parenteral fluids.

Fluids intended for internal administration should not be used to avoid the risk of introducing harmful substances into the body. Must be sterile before use. Therefore, the container allows the solution to be kept sterile and extracted It must be able to accommodate the solution as required. This means that the container and its contents The container is not only sterile and sealed when received by the user. Contamination of the contents occurs when the product is opened by a doctor, nurse, or medical technician before use. It requires that you do not. Maintain sterility in vessel boats where fluids are accessed There is an urgent need to address this issue.

Protective boat closures are used on boats to protect against contamination. Prior art One problem with sterile closure devices is that they do not consistently provide a sterile closure. . User reliability for the boat and closure assembly is therefore not great.

Therefore, a need exists for an improved closure device that overcomes the problems of the prior art.

Kiba Tomo Juri The present invention provides flexible containers designed to contain pharmaceutical and other medical solutions. provides boat and closure assemblies for use in Closures keep the boat tight. to seal closed and generate an audible signal when the closure is removed from the boat Designed to work with boats. For this reason, the sleeve of the obturator A loop that orbits the boat to create a snapping sound when gear is removed from the boat. Designed to work with clients.

Therefore, one benefit of the present invention is that it can be removed from the tubular boat and Provides a resilient closure that generates an audible signal when the partition wall of a tubular boat is intact It is to be.

Another benefit of the invention is that it provides a resilient closure that provides a sterile seal for the boat. That's true.

Yet another benefit of the invention is that it can be removed with one hand by the user. It is an object of the present invention to provide a resilient closure device.

An additional object of the invention is to provide a resilient closure that allows for mechanical assembly. Is Rukoto.

Yet another advantage of the present invention is that the closure includes ribs that aid in the shaping operation of the closure. That's true.

Additionally, one of the objects of the present invention is that it provides an audible signal when the closure is removed from the boat. Provide the boat's outer wall structure and closure sleeve structure that cooperate to generate That's true.

Additional features and benefits may be found in the detailed description and drawings of the presently preferred embodiments. , and it will be clear from that.

Mouth plate to plate single five Ebisu 1- FIG. 1 illustrates a cross-section of a preferred embodiment of the boat and resilient closure of the present invention.

FIG. 2 shows a cross-sectional view of another preferred embodiment of the boat and resilient closure of the present invention. Illustrated.

Current pressure and support public and body isolation ■ Public office FIG. 1 illustrates a closure 10 and boat 12 of the present invention. Boat 12 is a solution a container extending from the container 14 and operative to provide a means of accessing the solution container. Ru. Solution container 14 is in fluid communication with lower tubular bore 18 in port 12 It includes an opening 16.

Boat 12 divides a lower tubular bore 18 from an upper tubular bore 21 It includes a partition wall 20. to the container 14 and thereby contained therein. The partition wall 20 must be broken or pierced in order to access the solution in the solution. Must be. Typically, a needle or other sharp instrument pierces the partition 20 and and thereby access the fluid contained within the solution container 14. be done.

Closure 10 functions to seal an opening 22 in boat 12. This is upper necessary to ensure that a sterile environment exists within the tubular bore 21 . If the upper tubular bore 21 is not maintained in a sterile environment, the partition wall 2 When the needle is penetrated, the fluid becomes contaminated, thereby introducing harmful substances into the patient's body. It will be.

Obturator 10 is a guide member designed to be housed within upper tubular bore 21. Contains 24. This guide member has an outer circumference smaller than the inner circumference of the upper tubular bore 21. It has a circumference. Therefore, when the guide member 24 is housed within the upper tubular bore 21, A friction fit is not always formed.

The closure 10 is grasped by the user when it is desired to remove the closure 10 from the boat 12. It includes a grip member 26 that provides area. The grip member 26 includes ribs 28. It is a long and thin member that can be Although one rib 28 is shown, more or less ribs 28 are shown. Such a rib can be placed on the grip member 26. Rib 28 is also molded It functions to assist in operation.

In the preferred embodiment illustrated in FIG. Contains 0. As shown, tubular bore 30 extends over substantially the entirety of obturator 10. can be extended in length. Once removed, the tubular bore 30 cannot be reinserted. To provide a closure device 10 that is difficult to remove. For this reason, a tamper-evident closure device 10 is provided. be done. This allows the user to ensure that the sterile environment within the upper tubular bore 21 of the boat 12 is To provide a closure device 10 that allows confirmation that it has not been torn.

Obturator 10 includes a sleeve member 32. The sleeve agent 32 is a tube-shaped port. designed to cooperate with a rib member 34 disposed on the outer wall 36 of the seat 122. There is. Therefore, the sleeve member 32 has an inner circumference smaller than the outer circumference of the rib member 34. Ru. As illustrated in FIG. 1, when the closure 10 is sealing the boat 12, the Rib member 32 surrounds rib member 34. Sleeve member 32 and rib member 3 4, a portion 37 of the sleeve member extends outwardly around the rib. . When the sleeve 32 is sealing the boat 12, the sleeve 32 is attached to the rib 34. It further includes fingers 38 extending downwardly from the bottom.

Sleeve member 32 and rib member 34 are removed when obturator 1o is removed from fixture 12 and and to generate an audible signal when the partition wall 20 is not breached or pierced. cooperate. For this reason, the outer portion 37 and the fingers 38 are such that the closure 1o is connected to the boat 12. Produces an audible snapping sound when removed and the partition wall is not breached. Work together to create a finger-crack effect.

The audible signal provides an easy way to determine if the partition wall has been breached. as well as produce positive psychological effects on users and patients. The audible signal is to the doctor and nurse using the container 14 and to the patient receiving the solution; , indicating that the hermetic seal between closure 1o and boat 12 has just been broken. do.

Further, the sleeve member 32 and the rib member 34 allow the closure 1o to be used with only one hand. Therefore, we will cooperate with you so that it can be removed from the boat 12.

This typically requires the nurse or doctor to use one hand to remove the obturator. To provide a closure device 1o that is easier to use in that it can be used more easily. The obturator is also is self-explanatory to the user and does not require detailed instructions.

Obturator 10 is manufactured from ethylene propylene rubber. ethylene propylene rubber provides a closure 10 having properties similar to closures made from natural rubber.

A preferred ethylene propylene rubber is EPDM. Obturator 10 is identified by color be able to. Immediately identify the solution contained in the solution container 14 The closure 10 provides the user with a red, green, blue or other color that identifies the solution in the container. can be colored.

Preferably, closure 10 is compression molded and boat 12 is injection molded.

After the part is molded, closure 10 is inserted into port 12. Obturator 10 and The boat 12 assembly can then be steam sterilized. Obturator 10 and bow 12 can also be sterilized by bulk irradiation sterilization and other methods known in the art. Wear.

The closure 10 has an assembly between the closure 10 and the boat that allows for easy mechanical assembly. Provide a comprehensive service. For this reason, the closure device 10 is designed to be installed in a packaging machine with good quality. Provides a hard, non-stick surface that works well. An example of such equipment is forming, filling , and a heat seal press head that uses a walking beam for seal packaging equipment. Ru.

Various changes and modifications to the specific examples described herein will be apparent to those skilled in the art. should be understood. Such changes and modifications do not depart from the spirit and scope of the invention. It is possible without deviation and without losing its attendant benefits. Besides that Therefore, it is not intended that such changes and modifications be covered by the claims. It will be done.

FIG.2 international search report

Claims (21)

[Claims] 1. an elongated top member; a guide member; having an inner circumference smaller than the outer circumference of the top of the tubular port in unstressed conditions; a sleeve member surrounding the guide member, the sleeve member and the tube The outer portion of the inverted port produces an audible signal when the resilient obturator is removed from the tubular port. Seal the end of the tubular port characterized by cooperating to generate a Resilient closure for. 2. The guide member has an outer circumference smaller than the inner circumference of the tubular port in an unstressed state. The resilient closure of paragraph 1 having a circumference. 3. The resilient closure of clause 1, wherein the guide member has a length greater than the sleeve member. 4. The resilient closure of clause 1, wherein the elongated top member has an internal bore. 5. The resilient opening device of clause 1, wherein the elongated top member has at least one rib. . 6. The resilient closure is manufactured from ethylene propylene rubber. Obturator. 7. The resilient closure of paragraph 6, wherein the resilient closure is manufactured from EPDM rubber. 8. a tubular port for providing access to fluid within a solution container, comprising: , an elongated bore, an outer wall defining the bore, and a partition wall located within the bore. a tubular port having a diameter and a guide member suitable for being received within said bore; and a sleeve for sealing and surrounding a portion of the outer wall of the tubular port. Elastomeric closure for removably sealing tubular ports containing and Elastomeric obturators and tubular ports are If the partition wall is not pierced, it will cooperate to generate an audible signal. Features a port and closure assembly for solution containers. 9. The outer wall of the tubular port allows the elastomeric closure to seal the tubular port. the port of paragraph 8 including a rib that is surrounded by the sleeve member when the port is closed; Obturator assembly. 10. The guide member has a length greater than the sleeve member and is connected to the port of section 8. Chain gear assembly. 11. The elastomeric closure has a gripping member and a section 8 port and closure assembly. Assembly. 12. The closure is a section 8 port and closure manufactured from ethylene propylene rubber. Chain gear assembly. 13. The inner circumference of the sleeve member in its unstressed state is approximately the same as the outer wall of the tubular port. The port and obturator assembly of Section 8 that is smaller than the circumference. 14. The gripping member is a port and closure assembly of paragraph 11 containing a tubular bore. Mburi. 15. The closure is manufactured from EPDM rubber with a section 12 port and closure opening. Assembly. 16. Tube down port to provide access to fluid within the solution container. An elongated bore, an outer wall forming the bore, a rib surrounding the outer wall, and an elongated bore. a tubular port including a partition wall for dividing the bore into an upper and a lower bore; a guide member suitable for being received within said bore, and an elastomeric closure. a grip member for gripping; and a sleeve for sealing and enclosing a portion of the outer wall. Contains an elastomeric closure for removably sealing the tubular port a clasp, the sleeve locking the outer wall of the tubular port in the non-tossless state. The tube has an inner circumference smaller than the outer circumference of the rib that surrounds the tube and the elastomer – An obturator may be removed if the partition wall is intact when the obturator is removed from the port. A port and a closure for a solution container characterized in that they cooperate to generate an audible signal. Chain gear assembly. 17. The gripping member is a section 16 port and closure assembly having a tubular bore. Mburi. 18. The gripping member is connected to the port of paragraph 16, including at least one rib member. Assembly of chain members. 19. The closure is a section 16 port manufactured from ethylene propylene rubber. Obturator assembly. 20. The closure is manufactured from EPDM rubber with a section 19 port and closure opening. Assembly. 21. 17. The port and obturator assembly of paragraph 16, wherein the obturator is color coded.