TWI734281B - Connector - Google Patents

Abstract

This invention provides a connector which can easily and certainly break through a film sealing a port portion in spite of the thickness of a connecting portion of the film, and which can be inserted into a container and communicated with each other. A connector (30) of this invention has a base portion (33) rotated around an axis (L1) and attached to a port portion (12) of a container (10), a first connecting portion (31) disposed on one end side of the base portion (33) for breaking through a film (16) sealing a port portion and inserted into the container (10), and a second connecting portion (32) disposed on the other end side of the base portion (33) for connecting another instrument (20), wherein by inserting the first connecting portion (31) into the container (10) and connecting another instrument (20) to the second connecting portion (32), the container (10) and another instrument (20) are communicated each other through the first connecting portion (31) and the second connecting portion (32) so that can flow through the content of the container (10) or another instrument (20). The first connecting portion (31) has a cylindrical portion (35), a tip portion 35a of the cylindrical portion (35) at which disposed with a stepped-shaped stabbing portion (36) with a sharped top portion (36a). By stabbing the stabbing portion (36) and rotated it together with the base portion (33), the film (16) is cut to form an opening and the cylindrical portion (35) is inserted into the opening.

Description

Connector

The present invention relates to a connector which is used to connect various instruments such as syringes to ports of various containers sealed by films.

Conventionally, there has been known a connector for connecting various instruments such as syringes or catheters to ports provided in various containers and sealed by thin films.

For example, in the following Patent Document 1, the adhesive member is attached to a beverage package having an opening sealed by a film in a manner corresponding to the opening, and a fixing means as a port is detachably fixed to the adhesive The adapter body member is locked on the fixing means. In this joint body member, a sharp end is provided at one end to pierce and penetrate the film of the opening.

In addition, in the connector of Patent Document 2 described below, the connecting portion connected to the opening of the pouch is provided with a female thread screwed with the opening and a communicating portion inserted into the opening, and The communicating part is provided with a sharp end to pierce the membrane of the closed port and be inserted.

[Prior Technical Literature] [Patent Literature]

Patent Document 1: Japanese Patent No. 3954372

Patent Document 2: Japanese Patent Application Laid-Open No. 2016-52345

However, in the conventional connector, the tip portion inserted into the container has a shape in which the tip end of the barrel portion is inclined obliquely, and the tip portion is pushed in the axial direction to pierce the airtightly. The membrane of the mouth.

Since the film of the hermetic port has a laminated structure made up of a resin layer and an aluminum layer, the tip of this connector cannot be pierced when it is pushed in the axial direction, causing the film to pull. Long situation. Therefore, the connector may not penetrate the film or may not penetrate completely, which may increase the flow resistance.

Especially when, for example, a semi-solidified nutrient contained in a flexible container is collected in a syringe with low fluidity for use, the lower the fluidity, the tip of the discharge side must be used accordingly. A syringe with a diameter as large as a catheter tip syringe. At this time, since the connector uses a large-diameter connector according to the diameter of the syringe, for example, even if the tip is pushed in the axial direction, the film cannot be pierced and the film elongates.

Therefore, it is necessary to temporarily take out the contents in the flexible container to another container and use it after sucking it into the syringe. There are also hygienic problems such as mixing of foreign objects, or problems in work efficiency. Yu.

In order to solve this problem, the object of the present invention is to provide a connector that can pierce the film easily and surely regardless of the thickness of the connecting part of the film that pierces the closed port part, and can be inserted into the container without fail. Make it connected to other appliances.

The connector of the present invention to solve the above-mentioned problems is provided with: a base part, which is installed on the opening part of the container by rotating around the axis; The film of the mouth is inserted into the container; and the second connecting portion is provided on the other end side of the base for connection with other appliances; wherein, the first connecting portion is inserted into the container, and the second connecting portion is inserted into the container. The connection part is connected with the aforementioned other appliances, so that the container or the contents of the aforementioned other appliances can be circulated through the aforementioned first connection part and the aforementioned second connection part to communicate between the aforementioned container and the aforementioned other appliances; the connector The system is configured such that the first connecting portion is provided with a cylindrical portion, and the tip of the cylindrical portion is provided with a piercing portion having a stepped shape formed by a pointed top, and by piercing the piercing portion and making It rotates together with the aforementioned base, so that the aforementioned film is cut to form an opening, and the aforementioned opening is inserted into the aforementioned cylindrical portion.

In this connector, the longitudinal wall of the piercing part may also be provided with: a circumferentially inclined edge formed by slanting from the top of the piercing part toward the rotation direction to the base side; and an inner peripheral inclined surface, which is It is formed by inclining from the outer peripheral edge of the front end side of the piercing part toward the inner side in the radial direction toward the base part side.

In addition, the longitudinal wall of the piercing part may be provided with a circumferentially inclined longitudinal surface formed at an acute angle with respect to the tangent line of the outer peripheral edge of the front end side of the piercing part.

Furthermore, it is preferable that an ejection portion is provided at a position opposite to the piercing portion in the radial direction, and the ejection portion pushes out the cut piece formed by rotating the piercing portion toward the outside of the cylindrical portion; An outer peripheral inclined surface is provided on the front end side of the pushing portion, and the outer peripheral inclined surface is inclined toward the base portion side toward the outer side in the radial direction.

In addition, the first connection part can also be inserted into the container containing the semi-solidified nutrient, and the second connection part can be connected to a catheter tip syringe.

According to the connector of the present invention, the connector is provided with: a base part which is installed in the opening part of the container by rotating around the axis; The front end of the cylindrical portion of the first connecting portion is provided with a piercing portion in a stepped shape formed by a pointed top.

Therefore, after the piercing portion is pierced through the film, if the base portion is rotated, the film can be cut along with the rotation of the base portion to form an opening, and the cylindrical portion can be inserted into the opening.

At this time, since the piercing part is provided in a stepped shape and the top part is pointed, by pushing the cylindrical part of the first connecting part in the axial direction, the film of the closed port can be pierced reliably. Furthermore, since the piercing part is pierced and turned to cut the film to form an opening, the opening corresponding to the cylindrical part can be formed reliably, and the cylindrical part of the first connecting part can penetrate through the film to ensure certainty. Ground into the container.

As a result, it is possible to provide a connector that can easily and reliably pierce the film of the opening regardless of the thickness of the first connection portion, and can reliably insert the first connection portion into the container to communicate with each other.

In the connector of the present invention, when the vertical wall of the piercing part is provided with a circumferential inclined edge that is inclined from the top of the piercing part to the rotation direction to the base side, the stepped piercing part can be formed The top is most protruding toward the axis. Moreover, when the longitudinal wall of the piercing part is provided with an inner peripheral inclined surface that is inclined from the outer peripheral edge of the front end side of the piercing part toward the radially inner side to the base side, the top of the piercing part can be sharply formed On the outside in the radial direction.

Therefore, the circumferential inclined edge and the inner circumferential inclined surface will complement each other, and the top of the stepped piercing part provided at the front end of the cylinder part can be sharply pointed and arranged at the inner periphery closer to the opening. s position. Thereby, the piercing part formed by sharply protruding a part can pierce the position of the film that is approached by the junction with the opening part, and prevent piercing due to the stretching of the film, etc. bad.

In the connector of the present invention, when the longitudinal wall of the piercing portion is provided with a circumferentially inclined longitudinal surface that is formed at an acute angle with respect to the tangent to the outer peripheral edge of the front end side of the piercing portion, if the piercing portion is pierced When the cylindrical part of the first connecting part is rotated together with the base part after being worn, the film can be cut more reliably by the circumferentially inclined longitudinal surface formed at an acute angle, and when the circumferentially inclined longitudinal surface is rotated, When the film is formed with an opening, the opening corresponding to the outer peripheral shape of the cylindrical portion can be reliably formed, and the cylindrical portion of the first connecting portion can be inserted and disposed through the thin film with certainty.

In the connector of the present invention, when the piercing part is positioned opposite to the piercing part in the radial direction, when there is an ejection part that pushes the cut piece formed by the rotating piercing part toward the outside of the cylindrical part, the The cut-off piece formed by the rotation of the piercing part is pushed out toward the outside of the tube part.

In addition, when the outer peripheral inclined surface that is inclined toward the radially outer side toward the base side is provided on the tip side of the pushing portion, even if the cut piece formed by the rotation of the piercing portion is tilted to the inner side of the tube portion, It stands up smoothly by the inclined surface of the outer periphery, and can be pushed out in the radial direction by the pushing part.

As a result, it is possible to reliably prevent the flow path of the first connection part from being blocked by the cutting piece, and to ensure the flowability of the contents between the first connection part and the second connection part.

In the connector of the present invention, as described above, the opening corresponding to the cylindrical portion of the second connecting portion can be easily and surely provided regardless of the thickness, so that the first connecting portion can be inserted into the semi-solidified nutrient. The container connects the second connecting part to the catheter tip syringe, and the semi-solidified nutrient is directly sucked from the container to the catheter tip syringe. Therefore, there is no need to temporarily move the semi-solidified nutrient to another container and can be stored in the catheter tip syringe for use. Thereby, it is possible to surely prevent the mixing of foreign matter when the semi-solidified nutrient is contained in the catheter tip syringe from the container, and the storage operation can be performed cleanly. In addition, the work efficiency can be improved.

10‧‧‧Container

11‧‧‧Containment Department

12‧‧‧Port

13‧‧‧Block

13a‧‧‧Joint

13b‧‧‧Inner surface part

13c‧‧‧Guide recess

14‧‧‧Installation Department

14a‧‧‧Male thread

15‧‧‧Through hole

16‧‧‧Film

16a‧‧‧Cut off piece

20‧‧‧Syringe

21‧‧‧Discharge side front end

30‧‧‧Connector

31‧‧‧First connection part

32‧‧‧Second connecting part

33‧‧‧Base

33a‧‧‧Female thread

33b‧‧‧Protrusion

34‧‧‧Connecting road

35‧‧‧Tube

35a‧‧‧Front end

36‧‧‧ Piercing Department

36a‧‧‧Top

36b‧‧‧Vertical Wall

36c‧‧‧Circumferential oblique edge

36d‧‧‧Inner peripheral inclined surface

36e‧‧‧Slanted longitudinal surface in circumferential direction

37‧‧‧Seam

38‧‧‧Publishing Department

38a‧‧‧Slanted outer surface

L1‧‧‧Axis

L2‧‧‧Tangling

Figure 1 is a front view showing a state where the flexible container and the syringe are connected using the connector of the embodiment of the present invention.

Figure 2a is a perspective view of the connector of the embodiment of the present invention.

Figure 2b is a cross-sectional view of the connector of the embodiment of the present invention.

Figure 3 is a top view of the connector of the embodiment of the present invention.

Figure 4 is a front view of the connector of the embodiment of the present invention.

Figure 5 is a rear view of the connector of the embodiment of the present invention.

Figure 6 is a left side view of the connector of the embodiment of the present invention.

Figure 7 is a right side view of the connector of the embodiment of the present invention.

Fig. 8 is an exploded view illustrating the method of connecting the flexible container and the syringe by using the connector of the embodiment of the present invention.

Figures 9a to 9b are diagrams illustrating the procedure of inserting the connector of the embodiment of the present invention into the opening of the container, which shows the state after pressing the piercing part to pierce the film, 9a The figure is a partial cross-sectional view of the connector and the port, and FIG. 9b is a partial plan view of the film of the port when viewed from the side of the accommodating portion.

Figures 10a to 10b are diagrams illustrating the procedure of inserting the connector of the embodiment of the present invention into the opening of the container, which shows the state after the piercing part is rotated to cut the film. Figure 10a It is a partial cross-sectional view of the connector and the port, and Figure 10b is a partial plan view of the film of the port when viewed from the side of the accommodating portion.

Figures 11a to 11b are diagrams illustrating the procedure of inserting the connector of the embodiment of the present invention into the opening of the container, which shows the state after the cutting piece of the film is pushed out by rotating the pushing portion , Figure 11a is a partial cross-sectional view of the connector and the port, and Figure 11b is a partial plan view of the film of the port when viewed from the side of the accommodating portion.

Figures 12a to 12b are diagrams illustrating the procedure of inserting the connector of the embodiment of the present invention into the opening of the container, which shows that the base is fully rotated to insert the first connecting part into the container to a predetermined position In the state after the position, Fig. 12a is a partial cross-sectional view of the connector and the port, and Fig. 12b is a partial plan view of the film of the port when viewed from the side of the accommodating portion.

The following figures are used to describe the implementation of the present invention in detail.

The connector connects the container and various instruments. In this embodiment, as shown in FIG. 1, a flexible container 10 and a syringe 20 are connected via a connector 30.

The container 10 is sealed with resin sheets arranged opposite to each other around the periphery, and a receiving portion 11 is formed inside. In the accommodating part 11, a fluid accommodating object is accommodated. The container may be fluid, and may be a low-viscosity liquid, or a high-viscosity viscous liquid or gel. In this embodiment, a semi-solidified nutrient is contained.

At the end on one side of the container 10, a through port 12 is provided. The opening portion 12 is composed of a resin molded body, and is integrally provided with: a block portion 13 which is liquid-tightly fixed to the container 10; and a mounting portion 14 that extends from the block portion 13 to the container 10 The externally protruding configuration is provided and the connector 30 can be installed. The opening portion 12 is provided with a through hole 15 communicating the inside of the receiving portion 11 and the outside of the container 10 in such a way that the block portion 13 and the mounting portion 14 are opened.

The block portion 13 of the opening portion 12 has a joining portion 13a which is joined between the resin sheets constituting the container wall by welding or the like; and an inner surface portion 13b which is arranged in contact with the inside of the receiving portion 11. The inner surface portion 13b is arranged so as to become at least a part of the bottom surface of the accommodating portion 11 when the container 10 is erected with the opening portion 12 facing downward.

The inner surface portion 13b is provided with a through hole 15 and a guide recess 13c recessed toward the through hole 15 in a substantially V shape is provided to guide the contents to the through hole 15 in a state where the container 10 is erected.

The block portion 13 is covered by a film 16 having a continuous aluminum layer. In this embodiment, the entire surface of the joint portion 13a and the inner surface portion 13b is covered with a film 16.

In the inner surface portion 13b, the resin sheet forming the inner wall surface of the container 10 is connected to the inner surface portion 13b, and the through hole 15 is sealed by the film 16, and is connected to the inner surface portion 13b around the end of the through hole 15 They are welded liquid-tightly in a ring-shaped connection.

The mounting portion 14 of the opening portion 12 is arranged so as to protrude from the container 10 to the outside. The installation portion 14 is configured to be installed by rotating the connector 30 around the axis L1. In this embodiment, a male screw portion 14a is provided around the side in the direction of the axis L1.

On the other hand, for the syringe 20, a catheter tip syringe is used. The discharge-side tip portion 21 of the syringe 20 is formed to be thick so as to be engaged with the catheter, and the internal flow path has a diameter that allows the semi-solidified nutrient to flow easily. The discharge-side distal end portion 21 has a structure that can be fitted into a catheter airtightly, and is formed in a cylindrical shape with a thinner tip.

As shown in Figures 2a and 2b to Figure 7, the connector 30 connecting the container 10 and the syringe 20 is composed of a resin molded body, and the resin molding system is integrally provided with: a base 33 for mounting In the opening 12 of the container 10; the first connecting portion 31 is provided on one end of the base 33 and inserted into the container 10; and the second connecting portion 32 is provided on the other end of the base 33 for the syringe 20 The front end 21 of the discharge side is connected.

The first connection portion 31, the base portion 33, and the second connection portion 32 are arranged and integrally provided with the axis L1 as the center, and are provided with a communication path 34 penetrating in the direction of the axis L1.

The base portion 33 is configured to be attached to the opening portion 12 by rotating about the axis L1, and has a substantially cylindrical shape with an opening on one side. On the inner peripheral surface, a female screw portion 33a is provided with the axis L1 as the center. The female thread portion 33a is formed so as to be screw-fitted to the male thread portion 14a provided around the side of the mounting portion 14 of the opening portion 12 for mounting.

In addition, a pair of protrusions 33b are provided on the outer peripheral surface of the base 33 at positions separated by 180 degrees from each other. By recognizing the direction of the protrusion 33b relative to the container 10, the rotation angle can be recognized, and the direction of the front end of the first connecting portion 31 described later can be grasped.

The base 33 is provided with a rotation amount restricting means to prevent the rotation amount from reaching one rotation when it is installed in the port 12. For example, the opening end of the base 33 or the protrusion 33b abuts against a stopper provided at the opening 12 to limit the amount of rotation.

In this embodiment, the second connecting portion 32 is provided in the communication path 34 opened at the other end of the base portion 33. The inner peripheral surface of the other end side of the communication path 34 has a push-out shape corresponding to the discharge-side tip portion 21 of the syringe 20, and the discharge-side tip portion 21 can be fitted in an airtight manner.

The first connecting portion 31 is provided so as to protrude from the open end of the base portion 33 toward one side. The first connecting portion 31 includes a cylindrical portion 35 extending in the direction of the axis L1, and is configured such that the tip side of the cylindrical portion 35 pierces the film 16 of the through hole 15 of the closed through port 12 and can be inserted into the container 10.

First, the cylindrical portion 35 of the first connecting portion 31 is provided with a tip portion 35a whose outer peripheral surface has a substantially constant diameter. The tip portion 35a is provided with a piercing portion 36 in a stepped shape formed by sharply projecting the top portion 36a. The piercing part 36 is provided with the top part 36a, the vertical wall 36b mentioned later, the circumferential direction inclined edge 36c, the inner circumferential inclined surface 36d, and the circumferential direction inclined vertical surface 36e. The piercing portion 36 is formed to protrude in the direction of the axis L1 than the horizontal end surface of the pushing portion 38 described later, and has a stepped shape as a whole. Furthermore, the piercing portion 36 having a stepped shape has a rising portion that rises steeply in the direction of the axis L1 at the top 36a, and has a length in the direction of the axis L1 as it goes from the top 36a to the slit 37. The shape is reduced, and is formed to be inclined toward the base 33 side toward the inner side in the radial direction. In reality In the embodiment, the top 36a of the piercing portion 36 is set at a position at a predetermined angle relative to the protrusion 33b, and here is set at a position approximately 0° to 90° with respect to each protrusion 33b.

On the other hand, at a position on the opposite side of the tip 36a of the piercing portion 36 in the radial direction approximately 180 degrees, the tip 35a of the cylindrical portion 35 is provided with a tip 36a along the axis L1 direction. The slit 37 is for discharging the contents of the guide recess 13c, and is provided in a state where the connector 30 is installed in the opening 12 of the container 10, and is arranged at the most recessed position of the guide recess 13c.

In the vertical wall 36b of the piercing portion 36 of the step-shaped shape, a circumferential inclined edge 36c is provided from the top 36a to the slit 37, and the circumferential inclined edge 36c is rotated from the top 36a of the piercing portion 36 The direction is formed to be inclined toward the base 33 side. The direction of rotation is the direction of rotation when the connector 30 is installed in the opening 12 of the container 10.

In the circumferential inclined edge 36c, the distance in the direction of the axis L1 between each position of the end and the base 33 gradually decreases along the circumferential direction. By this circumferentially inclined edge 36c, the vertical wall 36b of the piercing part 36 becomes a shape formed by the most protruding point of the top 36a.

In addition, in the vertical wall 36b of the piercing portion 36, an inner peripheral inclined surface 36d is provided between the top portion 36a and the slit 37, and the inner peripheral inclined surface 36d is the outer peripheral edge from the front end side of the piercing portion 36 It is formed to be inclined toward the base 33 side toward the inner side in the radial direction. The inner circumferential inclined surface 36d preferably has a smaller angle with respect to the axis L1 within a range in which the strength can be ensured. For example, the angle of the inner circumferential inclined surface 36d with respect to the axis L1 can be set to less than 90 degrees.

In addition, the outer peripheral edge of the vertical wall 36b of the piercing portion 36 corresponding to the inner peripheral inclined surface 36d is chamfered at an appropriate angle, but detailed description is omitted.

Furthermore, in the vertical wall 36b of the piercing portion 36, a circumferentially inclined vertical surface 36e is provided at a position tied to the top 36a. The tangent line L2 is formed at an acute angle. The circumferentially inclined vertical surface 36e preferably has a smaller angle with respect to the tangent line L2 within a range in which the strength can be ensured. For example, the circumferentially inclined vertical surface 36e may be set to an angle of less than 90 degrees with respect to the tangent line L2.

On the other hand, in the front end 35a of the cylindrical portion 35, a position opposite to the piercing portion 36 in the radial direction is provided with an ejection portion 38, which is a cut piece formed by rotating the piercing portion 36 16a is pushed out toward the outside of the cylindrical portion 35. The pushing portion 38 has a horizontal end surface. In the pushing portion 38, the distance between each position of the end and the base portion 33 in the direction of the axis L1 is set to be constant in the circumferential direction.

In addition, an outer peripheral inclined surface 38a is provided on the front end side of the axis L1 direction of the pushing portion 38, and the outer peripheral inclined surface 38a is inclined toward the base portion 33 side toward the outside in the radial direction. In addition, the angle of the circumferential inclined surface 38a with respect to the axis L1 can be set to less than 90 degrees.

In addition, although the circumferential inclined surface 38a may be provided as the entire thickness of the cylindrical portion 35, in this embodiment, it is provided so that the width in the radial direction from the outer periphery or the width in the axis L1 direction gradually decreases along the rotation direction.

In the cylindrical portion 35 of the first connecting portion 31, the side peripheral surface of the vertical wall 36b including the piercing portion 36 is formed as a cut-off piece support portion, and the cut-off piece support portion is pressed against the film 16 from the inner peripheral side. The cut piece 16a formed by cutting or being pushed out by the pushing portion 38 by the piercing portion 36 is supported.

Next, a method of connecting the container 10 and the syringe 20 using such a connector 30 will be described.

As shown in Fig. 8, in order to connect the container 10, the connector 30, and the syringe 20 of different individuals, in this embodiment, the connector 30 is connected to the port 12 of the container 10, and then, The syringe 20 is connected to the connector 30.

First, in order to connect the connector 30 to the port 12 of the container 10, as shown in FIG. 8, the first connection portion 31 of the connector 30 is opposed to the mounting portion 14 of the port 12.

By moving the connector 30 in the direction of the axis L1, the first connecting portion 31 of the connector 30 is inserted into the through hole 15 that opens on the mounting portion 14 of the opening portion 12, and the first connecting portion 31 The cylindrical portion 35 is pushed in in the direction of the axis L1. Thereby, as shown in FIG. 9a and FIG. 9b, the top 36a of the piercing part 36 is pierced and penetrated by the thin film 16. As shown in FIG.

In this state, the female screw portion 33a provided on the base portion 33 of the connector 30 is screwed to the male screw portion 14a of the mounting portion 14 of the port portion 12, and the base portion 33 is rotated.

Then, as shown in FIGS. 10a and 10b, the piercing portion 36 of the barrel portion 35 of the connector 30 rotates together with the base portion 33, and moves in the insertion direction along the axis L1 direction, and simultaneously moves in the circumferential direction. Thereby, the film 16, that is, the top 36 a of the pierced portion 36 is cut into an arc shape, an opening is formed in the film 16, and the pierced portion 36 is further inserted into the receiving portion 11.

Furthermore, the connector 30 is rotated more than approximately 180 degrees. Then, as shown in Figs. 11a and 11b, the top 36a of the piercing portion 36 cuts the film 16 into an arc so as to exceed a semicircle, and at the same time, the top 36a is located on the opposite side in the radial direction. The pushing portion 38 is inserted into the portion after the film 16 is cut, and the cutting edge of the film 16 is expanded by the pushing portion 38.

In addition, the cut piece 16a formed by cutting is supported in a pushed-out state by the side peripheral surface of the portion where the film 16 of the tube portion 35 penetrates.

After that, when the opening end of the base 33 or the protruding portion 33b abuts against the opening 12 and is rotated to a state where it cannot be rotated any further, as shown in Figures 12a and 12b, the cylindrical portion 35 The piercing portion 36 and the pushing portion 38 are in a state of being rotated to the maximum in a range not exceeding 360 degrees.

Thereby, the cylindrical portion 35 of the first connection portion 31 of the connector 30, that is, is inserted into the receiving portion 11 of the container 10 through the opening formed by the cutting film 16, and is arranged at a predetermined position. At this time, the cut piece 16a formed by cutting is arranged in a state supported by the side peripheral surface of the cylindrical portion 35, and is arranged in the container 10 in a state in which the opening of the communication path 34 of the connector 30 is completely opened. Inside the containment section 11. In addition, the slit 37 is arranged at the most recessed position of the guide recess 13c.

Furthermore, the base portion 33 is crimped to the mounting portion 14 of the opening portion 12, and is thus arranged stably.

Thereby, the container 10 and the connector 30 can be connected.

In this state, the discharge-side tip portion 21 of the syringe 20 is inserted into the communication path 34 of the second connection portion 32 and fitted, so that the connector 30 and the syringe 20 can be connected.

Therefore, in the connector 30, the first connection part 31 is inserted into the accommodating part 11 of the container 10, the syringe 20 is connected to the second connection part 32, and the container 10 and the syringe 20 are connected through the connector 30. Thereby, it is possible to connect the container 10 and the syringe 20 in such a way that the semi-solidified nutrient belonging to the contents can be circulated through the first connection portion 31 and the second connection portion 32.

Thereby, the semi-solidified nutrient belonging to the contents of the container 10 can be directly sucked and collected in the syringe 20 for use.

According to the above-mentioned connector 30, the connector 30 is provided with: a base 33 that is installed on the opening 12 of the container 10 by rotating about the axis L1; and a first connection 31 that pierces the closed opening 12 The film 16 is inserted into the container 10; at the front end 35a of the cylindrical portion 35 of the first connecting portion 31, there is a piercing portion 36 formed by sharply protruding the top portion 36a. Therefore, if the piercing part 36 pierces the film 16 and the base 33 is rotated, the piercing part 36 can be rotated together with the base 33 to cut the film 16 to form an opening, and the tube 35 can be inserted into Open up.

At this time, since the piercing portion 36 is provided in a stepped shape and the top portion 36a is pointed, by pushing the cylindrical portion 35 of the first connecting portion 31 in the direction of the axis L1, the closed port portion can be reliably pierced 12的膜16。 12的膜16。 12 of the film. Furthermore, since the piercing portion 36 is pierced and rotated while the film 16 is cut to form an opening, the opening corresponding to the cylindrical portion 35 can be reliably formed, and the cylindrical portion of the first connecting portion 31 can be reliably formed. 35 penetrates through the film 16 and is surely inserted into the container 10.

As a result, regardless of the thickness of the first connecting portion, the film 16 of the opening portion 12 can be pierced easily and surely, and the first connecting portion can be surely inserted into the container 10 to communicate with each other.

In the connector 30 of this embodiment, the vertical wall 36b of the piercing part 36 is provided with a circumferential inclined edge 36c that is inclined from the top 36a of the piercing part 36 to the side of the base part 33 in the direction of rotation. The top 36a of the piercing portion 36 of the stepped shape can be most protruded in the direction of the axis L1. Furthermore, since the vertical wall 36b of the piercing part 36 is provided with an inner peripheral inclined surface 36d that is inclined from the outer peripheral edge of the front end side of the piercing part 36 toward the base 33 side toward the inner side in the radial direction, the piercing part can be The top 36a of 36 is formed sharply on the outside in the radial direction.

Therefore, the circumferential inclined edge 36c and the inner circumferential inclined surface 36d will complement each other, so that only a part of the top 36a of the stepped piercing portion 36 provided at the front end 35a of the cylindrical portion 35 can be sharply pointed and arranged near the pass. The position of the inner periphery of the mouth 12. In this way, you can use A part of the piercing part 36 formed sharply protruding pierces the position of the film 16 that is approached by the junction with the opening part 12, and prevents piercing failure due to the stretching of the film 16 or the like.

In the connector 30 of this embodiment, the vertical wall 36b of the piercing portion 36 is provided with a circumferentially inclined vertical surface 36e formed at an acute angle with respect to the tangent line L2 of the outer peripheral edge of the front end side of the piercing portion 36, so If the cylindrical portion 35 of the first connecting portion 31 is rotated together with the base portion 33 in the state after the piercing portion 36 is pierced, the film can be cut more reliably by the circumferentially inclined vertical surface 36e formed at an acute angle 16. Moreover, an opening is formed in the film 16 by the trajectory of the circumferentially inclined vertical surface 36e when it rotates. Therefore, an opening corresponding to the outer circumferential shape of the cylindrical portion 35 can be formed reliably, and the first connecting portion 31 can be reliably formed. The cylindrical portion 35 penetrates through the film 16 to be inserted and arranged.

In the connector 30 of this embodiment, since it is located at a position opposite to the piercing portion 36 in the radial direction, it has an ejector that pushes out the cut piece 16a formed by the rotating piercing portion 36 toward the outside of the cylindrical portion 35. Therefore, the cut piece 16a formed by the rotation of the piercing portion 36 can be pushed out of the cylindrical portion 35.

In addition, since the outer peripheral inclined surface 38a inclined toward the base 33 side toward the radially outer side is provided on the tip side of the pushing portion 38, even if the cut piece 16a formed by the rotation of the piercing portion 36 extends toward the cylindrical portion 35 When the inner side is tilted, it also rises smoothly by the outer peripheral inclined surface 38a, and can be pushed out in the radial direction outer side by the pushing part 38.

As a result, it is possible to reliably prevent the flow path of the first connecting portion 31 from being blocked by the cutting piece 16a, and to ensure the circulation of the contents between the first connecting portion 31 and the second connecting portion 32.

In the connector 30 of this embodiment, as described above, the opening corresponding to the cylindrical portion 35 of the second connecting portion 32 can be easily and surely provided regardless of the thickness, and as a result, the first connecting portion 31 can be inserted into the housing The container 10 of the semi-solidified nutrient and the second connecting part 32 are connected It is connected to the catheter tip syringe 20, and the semi-solidified nutrient is directly sucked from the container 10 to the catheter tip syringe 20. Therefore, the semi-solidified nutrient can be directly stored in the catheter head syringe for use without temporarily moving the semi-solidified nutrient to another container, and it is possible to reliably prevent the storage operation of the semi-solidified nutrient from the container 10 in the catheter head syringe 20. Sometimes there are situations such as mixing of foreign matter, and the containment operation can be carried out cleanly. In addition, the efficiency of the containment operation can also be improved.

In the connector 30 of this embodiment, since the rotation amount of the connector 10 with respect to the opening 12 of the container 10 is limited to not more than 360 degrees, even if the piercing portion 36 is rotated and cut The film 16 does not have the risk of detaching the generated cut piece 16a, and can be used safely.

In addition, the above-mentioned embodiments can be appropriately changed within the scope of the present invention.

For example, in the above embodiment, although the flexible container 10 is described as the container 10 into which the first connecting portion 31 is inserted, the present invention can also be applied to other containers such as a rigid container. The container sealed by the film 16 is not limited in any way.

In addition, in the above-mentioned embodiment, although an example in which a container with high viscosity such as a semi-solidified nutrient is stored as the container 10 is described, it is not particularly limited as long as it is a container with fluidity. Even if it is a liquid with low viscosity, for example, the present invention is equally applicable.

Furthermore, in the above embodiment, although the syringe is described as a device connected to the second connecting portion 32, it may be, for example, a tube, a discharge port, a valve, etc., and the connection method to the second connecting portion 32 is also different. Limited to fitting, various connection methods such as screwing can be used.

In addition, in the above, the base 33 is provided with a female screw 33a and screwed to the male screw 14a of the opening 12 of the container 10 for installation. However, if the base 33 can be rotated for installation, The method of installing the base 33 and the opening 12 of the container 10 is not particularly limited.

30‧‧‧Connector

31‧‧‧First connection part

32‧‧‧Second connecting part

33‧‧‧Base

33a‧‧‧Female thread

33b‧‧‧Protrusion

34‧‧‧Connecting road

35‧‧‧Tube

35a‧‧‧Front end

36‧‧‧ Piercing Department

36a‧‧‧Top

36b‧‧‧Vertical Wall

36c‧‧‧Circumferential oblique edge

36d‧‧‧Inner peripheral inclined surface

36e‧‧‧Slanted longitudinal surface in circumferential direction

37‧‧‧Seam

38‧‧‧Publishing Department

38a‧‧‧Slanted outer surface

L1‧‧‧Axis

Claims (8)

A connector is provided with: a base part which is installed on the opening part of a container by rotating around an axis; a first connection part is provided on one end side of the base part to pierce the film sealing the opening part and be inserted into In the container; and the second connecting portion is provided on the other end side of the base for connecting with other appliances; wherein the first connecting portion is inserted into the container, and the other appliances are connected to the second connecting portion , So as to allow the container or the container of the other appliance to circulate through the first connection part and the second connection part to communicate between the container and the other appliance; the connector is configured as: the first The connecting part is provided with a cylindrical part; at the front end of the cylindrical part, there is a piercing part with a stepped shape formed by a pointed top; by piercing the piercing part and rotating it along with the base part, The film is cut to form an opening, and the tube is inserted into the opening; the vertical wall of the piercing part is provided with a circumferential inclined edge, which is from the top of the piercing part toward the rotation direction to the base part Tilted from the side. As for the connector described in the first item of the patent application, the longitudinal wall of the piercing part is further provided with an inner peripheral inclined surface, which is from the outer peripheral edge of the front end side of the piercing part toward the inner side in the radial direction toward the base part side Tilted. For the connector described in item 1 or item 2, the longitudinal wall of the piercing portion is provided with a circumferentially inclined longitudinal surface, and the circumferentially inclined longitudinal surface is relative to the front end side of the piercing portion. The tangent to the outer peripheral edge is formed into an acute angle. For example, the connector described in item 1 or item 2 of the scope of patent application has an ejection portion at a position opposite to the piercing portion in the radial direction, and the ejection portion rotates the cut piece formed by the piercing portion Push toward the outside of the aforementioned barrel; An outer peripheral inclined surface is provided on the front end side of the pushing portion, and the outer peripheral inclined surface is inclined toward the base portion side toward the outer side in the radial direction. The connector described in item 1 or item 2 of the scope of the patent application, wherein the first connection part can be inserted into the container containing the semi-solidified nutrient, and the second connection part can be connected to the catheter head syringe. The connector described in item 3 of the scope of patent application has an ejection portion at a position opposite to the piercing portion in the radial direction, and the ejection portion turns the cut piece formed by rotating the piercing portion toward the barrel The outer side of the push out; on the front end side of the push-out portion is provided with an outer peripheral inclined surface, the outer peripheral inclined surface is inclined toward the outer side of the radial direction toward the base side. According to the connector described in claim 3, the first connection part can be inserted into the container containing the semi-solidified nutrient, and the second connection part can be connected to a catheter tip syringe. In the connector described in claim 4, the first connection part can be inserted into the container containing the semi-solidified nutrient, and the second connection part can be connected to a catheter tip syringe.

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