JP2013180109A - Syringe assist device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a syringe assist device that can easily separate a lid body from a syringe body.SOLUTION: A syringe assist device includes: operation parts 24, 33 which are operated to move along a direction across an axial direction of a syringe body 91 to at least one of a body locking part 21 and a lid body locking 311 for positioning the locking parts 21, 311 from a body pulling/inserting position to a lid body separation position; and a pulling/inserting prevention part 23 which locks the syringe body 91 in a radial direction for preventing the syringe body 91 from pulling out from a body storage part 31 when the locking parts 21, 311 are positioned in the lid body separation position.

Description

  The present invention relates to a syringe auxiliary tool for removing a lid from a syringe body.

  Conventionally, as a syringe auxiliary tool for detaching the lid from the syringe body, it is attached to the main body locking portion for locking the syringe main body housed in the main body housing portion for housing the syringe main body in the axial direction, and the distal end portion of the syringe main body. 2. Description of the Related Art There is known a syringe auxiliary tool including a lid body locking portion that locks a lid body in the axial direction of a syringe body. In such a syringe auxiliary tool, the lid is detached from the syringe main body by separating the locking portions in the axial direction of the syringe main body (for example, Patent Document 1).

Utility Model Registration No. 3143302

  By the way, in the syringe auxiliary tool which concerns on patent document 1, while a main body latching | locking part can latch a syringe main body by accommodating a syringe main body in a main body accommodating part, a cover which has a cover body latching | locking part is attached to a syringe main body. By covering, the lid locking portion can lock the lid for the first time. Therefore, after the cover is covered with the syringe main body, the lid body is further separated from the syringe main body by separating the lid body locking portion (cover) from the main body locking portion. It is complicated.

  Therefore, in view of such circumstances, an object of the present invention is to provide a syringe auxiliary tool that can easily remove the lid from the syringe body.

  A syringe auxiliary tool according to the present invention includes a main body locking portion that locks a cylindrical syringe body in the axial direction, and a lid body that locks a lid mounted on the distal end portion of the syringe main body in the axial direction of the syringe main body. Each locking portion is separated from the main body insertion / removal position where the syringe main body can be inserted into and removed from the main body housing portion for receiving the syringe main body in the axial direction of the syringe main body in order to detach the lid from the syringe main body. A syringe auxiliary tool positioned at the lid body detaching position, wherein at least one of the main body locking portion and the lid body locking portion is provided to position each locking portion from the main body insertion / removal position to the lid body detaching position. On the other hand, when the operation part operated so as to move along the direction intersecting the axial direction of the syringe main body and each locking part are located at the lid release position, the syringe main body is removed from the main body housing part. In order to prevent the syringe body from being Characterized in that it comprises a draw-out preventing portion for sealing.

  According to the syringe auxiliary tool according to the present invention, when each locking portion is positioned at the main body insertion / removal position where the syringe main body can be inserted into and removed from the main body housing portion, the operation portion is connected to the main body locking portion and the lid body. It operates so that it may move along the direction which cross | intersects the axial direction of a syringe main body with respect to at least any one of a stop part. Then, since each latching | locking part is located in the cover body detachment position separated in the axial direction of a syringe main body, it can detach | leave a cover body from a syringe main body.

  Furthermore, when each locking part is located at the lid body detachment position, since the extraction preventing part locks the syringe main body in the radial direction, it is possible to prevent the syringe main body from being extracted from the main body housing part. . As a result, when the operation unit is operated, each of the locking parts is located at the lid body detachment position from the main body insertion / removal position, so that the syringe auxiliary tool is attached to the syringe, so that the injection is performed as it is. Can do.

  The syringe auxiliary tool according to the present invention includes a main body locking body having a main body locking portion and a lid locking body having a lid locking portion, and the operation portion includes the main body locking body and the lid. One of the main body locking body and the lid body locking body is provided in at least one of the body locking bodies, and the other in the axial direction of the syringe main body as it moves relative to the other in the radial direction of the syringe main body. A guide portion for guiding the other along the axial direction and the radial direction of the syringe main body may be provided so as to move relative to the syringe body.

  According to the syringe auxiliary tool having such a configuration, the main body locking portion is provided on the main body locking body, and the lid locking portion is provided on the lid locking body. The operation unit is provided on at least one of the main body locking body and the lid body locking body, and the main body locking body (or the lid body locking body) is provided in the axial direction and the radial direction of the syringe main body. A guide portion for guiding the lid locking body (or main body locking body) is provided along the inclined direction.

  Thereby, when the operation part is operated and moved, the main body locking body (or lid locking body) guides the lid locking body (or main body locking body) by the guide portion. Therefore, the lid locking body (or main body locking body) moves in the radial direction of the syringe main body with respect to the main body locking body (or lid locking body) and also in the axial direction of the syringe main body. It moves relative to the main body locking body (or lid locking body).

  Moreover, in the syringe auxiliary tool which concerns on this invention, an operation part is provided with the operation surface operated, and an operation surface may be arrange | positioned along the direction which inclines with the axial direction and radial direction of a syringe main body.

  According to the syringe auxiliary tool having such a configuration, the operation portion is provided with the operation surface to be operated. And since the operation surface is arrange | positioned along the direction which inclines with the axial direction and radial direction of a syringe main body, the force acted on the operation surface acts in the direction guided by a guide part. Thereby, the main body locking body (or lid locking body) can smoothly guide the lid locking body (or main body locking body) with the guide portion.

  Further, in the syringe auxiliary tool according to the present invention, at least one of the main body locking portion and the lid locking portion is connected to the operation portion, and one of the syringe main body is connected as the operation portion moves. A connection mechanism that moves relative to the other in the axial direction may be provided.

  According to the syringe auxiliary tool having such a configuration, the connection mechanism connects at least one of the main body locking portion and the lid locking portion and the operation portion. As the operation unit moves, the connection mechanism moves the main body locking portion (or lid locking portion) relative to the lid locking portion (or main body locking portion) in the axial direction of the syringe body. To move.

  Further, in the syringe auxiliary tool according to the present invention, the operation portion is operated so as to be in contact with and separated from the main body housing portion, and the extraction preventing portion is configured such that each locking portion is located from the main body insertion / removal position to the lid body removal position. By doing so, you may fix to an operation part so that it may be located inward from the outer side of a main body accommodating part.

  According to the syringe auxiliary tool having such a configuration, the operation part is operated so as to be in contact with and separated from the main body housing part, and the extraction preventing part is fixed to the operation part. And if each latching | locking part is located in a cover body detachment | positioning position from a main body extraction / retraction position with the operation part moving, an extraction prevention part will be located inside from the outer side of a main body accommodating part.

  Thereby, when each latching | locking part is located in a main body insertion / extraction position, since the extraction prevention part is located in the outer side of a main body accommodating part, a syringe main body can be easily inserted or extracted in a main body accommodating part. On the other hand, when each locking part is located at the lid body detaching position, since the extraction preventing part is located inside the main body accommodating part, the syringe main body accommodated in the main body accommodating part is reduced in diameter. Can be securely locked in the direction.

  As described above, the syringe auxiliary tool according to the present invention has an excellent effect that the lid can be easily detached from the syringe body.

1 shows an overall front view of a syringe auxiliary tool according to an embodiment of the present invention. FIG. The whole back view of the syringe auxiliary tool which concerns on the embodiment is shown. The whole perspective view of the lid locking object concerning the embodiment is shown. The whole perspective view of the lid locking object concerning the embodiment is shown. The whole longitudinal cross-sectional view of the cover body locking body which concerns on the embodiment is shown. The whole rear view of the lid body locking body concerning the embodiment is shown. The whole body locking body perspective view concerning the embodiment is shown. The whole main body latching body front view concerning the embodiment is shown. The whole rear view of the main body latching body concerning the embodiment is shown. The whole side view of the main body latching body concerning the embodiment is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: The whole perspective view of the state in which each latching | locking part is located in a main body insertion / extraction position is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: The whole rear view of the state in which each latching | locking part is located in a main body insertion / extraction position is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: Each latching | locking part shows the whole perspective view of the state located between a main body extraction position and a cover body detachment position. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: The whole rear view of the state which each latching | locking part is located between a main body insertion / extraction position and a cover body detachment position is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: The whole perspective view of the state in which each latching | locking part is located in a cover body detachment position is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: The whole rear view of the state in which each latching | locking part is located in a cover body detachment position is shown. The whole syringe auxiliary tool perspective view concerning other embodiments of the present invention is shown. The whole syringe top view of the syringe auxiliary tool which concerns on the embodiment is shown. The partially exploded whole perspective view of the syringe auxiliary tool which concerns on the embodiment is shown. The internal plan view of the syringe auxiliary tool which concerns on the embodiment is shown. The whole disassembled perspective view of the syringe auxiliary tool which concerns on the embodiment is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the embodiment, Comprising: The internal plan view of the state in which each latching | locking part is located in a main body insertion / extraction position is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: The principal part top view of the state in which each latching | locking part is located in a main body insertion / extraction position is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the same embodiment, Comprising: The internal plan view of the state in which each latching | locking part is located in a cover body detachment position is shown. It is operation | movement explanatory drawing of the syringe auxiliary tool which concerns on the embodiment, Comprising: The principal part top view of the state in which each latching | locking part is located in a cover body detachment position is shown.

  Hereinafter, a first embodiment of the syringe assisting tool according to the present invention will be described with reference to FIGS. First, before explaining each structure of the syringe auxiliary tool which concerns on this embodiment, the syringe used for a syringe auxiliary tool is demonstrated.

  As shown in FIGS. 1 and 2, the syringe 9 includes a cylindrical syringe body 91 filled with a chemical solution, a lid 92 attached to the distal end portion of the syringe body 91, and a distal end side of the syringe body 91. A plunger 93 that is inserted and slid in the axial direction with respect to the syringe main body 91 when the drug solution is administered is provided. In the present embodiment, the syringe 9 is a prefilled syringe filled with, for example, a therapeutic agent for diabetes or rheumatism, and is a syringe for the patient himself to perform injection.

  The syringe main body 91 includes a barrel 911 formed in a cylindrical shape, an injection needle 912 fixed to the distal end portion of the barrel 911, and a finger grip 913 attached to the proximal end portion of the barrel 911. The barrel 911 is made of glass or hard resin, the injection needle 912 is made of metal or the like, and the finger grip 913 is made of hard resin or the like.

  The barrel 911 is disposed at the distal end portion of the cylindrical body portion 911a, the nozzle portion 911b having a smaller outer diameter and inner diameter than the body portion 911a, and disposed at the proximal end portion, and radially outward from the body portion 911a. And a projecting flange portion 911c. The finger grip 913 is formed in a flat plate shape, and is attached to the flange portion 911c of the barrel 911 so that a surface for placing a finger is along the radial direction of the barrel 911.

  The lid body 92 is formed in a cylindrical shape, closed at the distal end side, and opened at the proximal end side. The lid 92 is formed with at least an inner peripheral portion having elasticity, and is detachably attached to the nozzle portion 911b of the barrel 911. Further, a gap is formed between the syringe main body 91 (barrel 911) and the lid 92 in the axial direction of the syringe main body 91. In the present embodiment, the lid 92 has a double structure, the inner periphery is formed of an elastic material such as rubber, and the outer periphery is formed of a material (hard resin or the like) that is harder than the inner periphery. The

  As shown in FIGS. 1-10, the syringe auxiliary tool 1 which concerns on this embodiment accommodates the lid body latching body 2 which latches the lid body 92 in the axial direction of the syringe main body 91, and the syringe main body 91, And a main body locking body 3 for locking the syringe main body 91 to be accommodated in the axial direction. In addition, the syringe auxiliary tool 1 which concerns on this embodiment is comprised by the two members of the cover body latching body 2 and the main body latching body 3. FIG.

  As shown in FIGS. 1 to 6, the lid body locking body 2 includes a lid body locking portion 21 that locks the lid body 92 in the axial direction of the syringe main body 91. The lid locking body 2 includes a guide portion 22 that guides the main body locking body 3, and a position where the syringe main body 91 can be inserted into and removed from the main body locking body 3 by the guide portion 22 (hereinafter referred to as “main body insertion / removal position”). ”) And the position at which the lid 92 is removed from the syringe main body 91 (hereinafter, referred to as“ lid removal position ”).

  The lid body locking body 2 is provided with an extraction preventing portion 23 for preventing the syringe main body 91 from being pulled out from the main body locking body 3 when the respective locking bodies 2 and 3 are located at the lid body detachment position. And a first operating portion 24 that is operated when the respective locking bodies 2 and 3 are relatively displaced. Furthermore, the lid body locking body 2 includes a semi-cylindrical first engagement portion 25 that engages with the main body locking body 3 and holds the main body locking body 3 at the main body insertion / removal position.

  The lid locking body 2 includes a pair of elastic pieces 26 and 26 that are elastically deformed when assembled so as to be integrated with the main body locking body 3. And the opening part 27 is formed in the site | part through which the main body latching body 3 and the syringe 9 pass in the cover body latching body 2 formed in the box shape. The lid locking body 2 is made of hard resin, metal, or the like.

  The lid locking part 21 is formed in a planar shape and is disposed along the radial direction of the syringe main body 91 accommodated in the main body locking body 3. The lid locking portion 21 locks the base end portion of the lid 92 in the axial direction of the syringe main body 91 when the main body locking body 3 moves relative to the lid locking body 2. Specifically, when the main body locking body 3 moves relative to the lid body locking body 2, the lid body locking portion 21 is in sliding contact with the proximal end portion of the lid body 92.

  The guide portion 22 is slid in surface contact with the main body locking body 3 so as to guide the main body locking body 3 along a plane with a pair of guide grooves 221 and 221 for fitting and guiding the main body locking body 3. And a guide surface 222 in contact therewith. In addition, the guide portion 22 engages with the main body locking body 3 so that the convex second engaging portion 223 that holds the main body locking body 3 at the main body insertion / removal position is connected to one end of each guide groove 221. And a convex third engaging portion 224 that holds the main body locking body 3 at the lid body disengagement position by engaging with the main body locking body 3 at the other end side of each guide groove 221. Prepare for.

  Each guide groove 221 includes a linear first region 221a for guiding the main body locking body 3 along the radial direction of the syringe main body 91, and a main body engagement along the axial direction and the radial direction of the syringe main body 91. And a linear second region 221b for guiding the stationary body 3. Each guide groove 221 is configured by connecting the other end of the first region 221a and one end of the second region 221b.

  In each guide groove 221, the first region 221a and the second region 221b are arranged so as to intersect with each other at an inclination. That is, the guide grooves 221 are connected so that the linear regions 221a and 221b are bent. Further, the pair of guide grooves 221 and 221 are disposed so as to be separated from each other in the axial direction of the syringe main body 91 and to be parallel to each other.

  Each first region 221a guides the main body locking body 3 from one end to the other end, so that the lid locking section 21 is inserted into the gap between the syringe main body 91 and the lid 92. The Moreover, each 2nd area | region 221b guides the main body latching body 3 toward the other end part from one end part, Therefore The main body latching body 3 becomes the lid body latching body 2 in the radial direction of the syringe main body 91. Along with the movement, the lid body locking body 2 also moves in the axial direction of the syringe main body 91.

  The extraction preventing part 23 is arranged so as to cover the syringe main body 91 when each of the locking bodies 2 and 3 is located at the lid body detaching position. The extraction preventing portion 23 locks the syringe main body 91 in the radial direction when each of the locking bodies 2 and 3 is located at the lid body detaching position, so that the stored syringe main body 91 is engaged with the main body. It is prevented from being pulled out from the stationary body 3.

  The first operation unit 24 includes a first operation surface 241 disposed along the axial direction of the syringe main body 91 housed in the main body locking body 3. Then, the first operation unit 24 is grasped by a hand as a whole, the first operation surface 241 is pressed with a palm, the first operation surface 241 is pressed with the abdomen of a finger, and the patient To be operated.

  As shown in FIGS. 1 to 2 and FIGS. 7 to 10, the main body locking body 3 includes a main body housing portion 31 that houses the syringe main body 91 and a guide member 22 guided by the guide portion 22 of the lid body locking body 2. A protrusion that engages with the second operating portion 33 that is operated when the guide portion 32 and each of the locking bodies 2 and 3 are relatively displaced, and the first engaging portion 25 of the lid locking body 2. The engaging part 34 is provided. The main body locking body 3 is put in and out of the box-shaped lid locking body 2. The main body locking body 3 is made of hard resin, metal or the like.

  The main body accommodating portion 31 is formed in a concave shape so as to guide the main body locking portion 311 for locking the syringe main body 91 to be accommodated in the axial direction, and the syringe main body 91 to be inserted / removed. And a main body holding portion 312 that is locked and held in the direction.

  The main body locking portion 311 locks the surface of the finger grip 913 on the distal end side in the axial direction of the syringe main body 91. Further, the main body locking portion 311 also locks the surface of the finger grip 913 on the proximal end side in the axial direction of the syringe main body 91.

  The guided portion 32 includes a pair of guided protrusions 321 and 321 that are guided by the guide grooves 221 of the guide portion 22. The guided portion 32 includes a guided surface 322 that is in sliding contact with the guide surface 222 of the guide portion 22 by surface contact.

  Each guided protrusion 321 has a pair of first regions 321a and 321a that are in sliding contact with the first region 221a of each guide groove 221 and a pair of second regions 321b and 321b that are in sliding contact with the second region 221b of each guide groove 221. With. Each guided protrusion 321 is provided so as to protrude from the guided surface 322. The pair of guided protrusions 321 and 321 are arranged apart from each other in the axial direction of the syringe main body 91.

  Further, each guided protrusion 321 is disposed inside each guide groove 221, is prevented from coming off from each guide groove 221, and is in sliding contact with the inner periphery of each guide groove 221 at the outer periphery. In each guided protrusion 321, the first region 321 a is formed linearly along the radial direction of the syringe body 91, and the second region 321 b is inclined with respect to the axial direction and the radial direction of the syringe body 91. It is formed in a straight line along the direction.

  The second operation portion 33 includes a second operation surface 331 disposed along the axial direction of the syringe main body 91 accommodated in the main body locking body 3 and the direction inclined with respect to the radial direction, and the axis of the syringe main body 91. And a protrusion 332 disposed on the leading end side in the direction. Moreover, the 2nd operation part 33 is formed in flat form. Then, the second operation unit 33 is configured such that the second operation surface 331 is pressed with a palm, the second operation surface 331 is pressed with a belly of a finger, or the protruding portion 332 is held with a finger, Operated by the patient.

  Here, the second region 221b of each guide groove 221 extends from the distal end side (one side) in the axial direction of the syringe main body 91 to the proximal end side (the other side) as it goes from one radial side to the other side of the syringe main body 91. ). Further, the second operation portion 33 is directed from one radial side of the syringe main body 91 toward the other side as it goes from the base end side (the other side) in the axial direction of the syringe main body 91 to the distal end side (one side). Inclined.

  The configuration of the syringe assisting tool 1 according to the present embodiment is as described above. Next, the operation of the syringe assisting tool 1 according to the present embodiment will be described with reference to FIGS.

  First, the lid locking body 2 and the main body locking body 3 are individually formed. When each guided protrusion 321 of the main body locking body 3 is pressed against each elastic piece 26 of the lid body locking body 2, each elastic piece 26 is elastically deformed. It is disposed inside the guide groove 221. Thereby, the cover body locking body 2 and the main body locking body 3 are assembled so as to be integrated.

  11 and 12, each guided projection 321 is disposed at one end of each guide groove 221 and the extraction preventing portion 23 does not cover the main body accommodating portion 31. The stop bodies 2 and 3 are located at the main body insertion / removal position where the syringe main body 91 can be inserted into and removed from the main body housing portion 31. At this time, the first engaging portion 25 of the lid locking body 2 and the engaging portion 34 of the main body locking body 3 are engaged, and the second engaging portion 223 of the guide portion 22 and the guided protrusion 321. Are engaged with each other, so that the respective locking bodies 2 and 3 are held at the main body removal position.

  After the syringe main body 91 to which the lid 92 is attached is inserted and accommodated in the main body accommodating portion 31, for example, the second operation of the second operating portion 33 is performed while the first operating portion 24 is entirely held by hand. When the surface 331 is pushed with a palm, the first region 221a of each guide groove 221 guides the first region 321a of each guided projection 321. Therefore, as shown in FIGS. The main body locking body 3 is moved in the radial direction of the syringe main body 91 with respect to the lid body locking body 2. At this time, the lid locking part 21 is inserted into the gap between the syringe main body 91 and the lid 92.

  Further, when the second operation surface 331 of the second operation unit 33 is pushed with a palm, the second region 221b of each guide groove 221 is guided along the axial direction and the radial direction of the syringe body 91. The second region 321b of the protrusion 321 is guided. At this time, since the second operation surface 331 is arranged along the axial direction and the radial direction of the syringe main body 91, the force pushing the second operation surface 331 is in the second region 221b of the guide groove 221. Acts in the guided direction.

  And the main body locking body 3 which has the 2nd operation part 33 moves also to the axial direction of the syringe main body 91 in connection with the radial direction of the syringe main body 91 with respect to the cover body locking body 2. FIG. . Thereby, since each latching | locking part 21 and 331 is separated in the axial direction of the syringe main body 91, as shown in FIG.15 and FIG.16, the cover body 92 is removed from the syringe main body 91. FIG. Each guided projection 321 is disposed at the other end of each guide groove 221, and each locking body 2, 3 is in a lid body detachment position where the lid body 92 can be detached from the syringe body 91. positioned.

  At this time, since the third engaging portion 224 of the guide portion 22 is engaged with the guided protrusion 321, the locking bodies 2 and 3 are held at the lid body disengagement position and are prevented from being pulled out. Since the portion 23 locks the syringe main body 91 (specifically, the injection needle 912) in the radial direction, the syringe main body 91 is prevented from being extracted from the main body accommodating portion 31. The injection can be performed as it is with the syringe auxiliary tool 1 attached to the syringe 9.

  As described above, according to the syringe assisting tool 1 according to the present embodiment, when each of the locking portions 21 and 311 is located at the main body insertion / removal position where the syringe main body 91 can be inserted into and removed from the main body housing portion 31, the second The operation part 33 is operated with respect to the lid locking part 21 so as to move along the direction intersecting the axial direction of the syringe main body 91.

  Then, since each latching | locking part 21 and 311 is located in the cover body removal position separated in the axial direction of the syringe main body 91, the cover body 92 can be easily removed from the syringe main body 91. FIG. Therefore, after the syringe main body 91 is accommodated in the main body accommodating portion 31, by performing one operation of relatively displacing the lid body locking body 2 and the main body latching body 3, the syringe body 91 to the lid body 92 is performed. Can be easily detached.

  Moreover, according to the syringe auxiliary tool 1 according to the present embodiment, when the locking portions 21 and 311 are positioned at the lid body detaching position, the extraction preventing portion 23 locks the syringe main body 91 in the radial direction. Therefore, it is possible to prevent the syringe main body 91 from being extracted from the main body accommodating portion 31. Thus, when the second operation portion 33 is operated, the respective locking portions 21 and 311 are positioned from the main body insertion / removal position to the lid body detachment position, whereby the syringe auxiliary tool 1 is attached to the syringe 9. Therefore, the injection can be performed as it is.

  Moreover, according to the syringe auxiliary tool 1 according to the present embodiment, the main body locking portion 311 is provided on the main body locking body 3, and the lid locking portion 21 is provided on the lid locking body 2. Yes. The second operating portion 33 is provided on the main body locking body 3, and the lid body locking body 2 is arranged along the axial direction and the radial direction of the syringe main body 91 along the direction inclined with respect to the main body locking body. 3 is provided.

  Thereby, when the second operating portion 33 is operated and moved, the lid locking body 2 guides the main body locking body 3 by the guide portion 22. Therefore, the main body locking body 3 moves relative to the lid body locking body 2 in the axial direction of the syringe main body 91 as the main body locking body 3 moves relative to the lid body locking body 2 in the radial direction of the syringe main body 91. .

  Further, according to the syringe assisting tool 1 according to the present embodiment, the second operation portion 33 is provided with the second operation surface 331 to be operated. And since the 2nd operation surface 331 is arrange | positioned along the direction which inclines with the axial direction and radial direction of the syringe main body 91, the direction on which the force acted on the 2nd operation surface 331 is guided by the guide part 22 is demonstrated. Act on. Thereby, the lid locking body 2 can smoothly guide the main body locking body 3 with the guide portion 22.

  Further, according to the syringe assisting tool 1 according to the present embodiment, the second operation portion 33 is provided with the protruding portion 332 at the end portion. For example, when the protruding portion 332 is gripped and operated, the force applied to the second operating portion 33 via the protruding portion 332 acts in the direction guided by the guide portion 22. Thereby, the lid locking body 2 can also smoothly guide the main body locking body 3 with the guide portion 22.

  Next, a second embodiment of the syringe assisting tool according to the present invention will be described with reference to FIGS. 17 to 18, 22, and 24, the same reference numerals as those in FIGS. 1 to 2 and 11 to 16 denote the same components or elements as those in the first embodiment. .

  As shown in FIGS. 17-21, the syringe auxiliary tool 5 which concerns on this embodiment is a pair of main body accommodating part 51 which accommodates the syringe main body 91, and a pair of operation operated in order to detach | leave the cover body 92 from the syringe main body 91. As shown in FIG. Operation units 52 and 52, and a connection mechanism 53 that connects the main body storage unit 51 and each operation unit 52 are provided. In addition, the syringe auxiliary tool 5 includes an extraction preventing portion 54 that prevents the syringe main body 91 from being extracted from the main body housing portion 51.

  The main body accommodating portion 51 includes a main body locking portion 511 that locks the syringe main body 91 to be accommodated in the axial direction. Further, the main body housing portion 51 includes a lid body locking portion 512 that locks the lid body 92 in the axial direction of the syringe main body 91.

  The main body locking portion 511 locks the surface of the finger grip 913 on the distal end side in the axial direction of the syringe main body 91. The main body locking portion 511 also locks the surface of the finger grip 913 on the proximal end side in the axial direction of the syringe main body 91.

  The lid body locking part 512 is formed in a concave shape so as to guide the syringe body 91 to be inserted and removed, and a semi-cylindrical locking part body 512a for locking and holding the syringe body 91 accommodated in the radial direction. And a pair of locking pieces 512b and 512b that protrude radially inward from the locking portion main body 512a and lock the lid 92. Each locking piece 512b is disposed in the gap between the syringe body 91 and the lid body 92, thereby locking the proximal end portion of the lid body 92 in the axial direction of the syringe body 91.

  Further, the lid locking part 512 includes a plurality of holes 512c,... For allowing the extraction preventing part 54 to pass through the locking part main body 512a. Further, the lid locking portion 512 includes a pair of guided portions 512d and 512d that protrude from the locking portion main body 512a and are guided by the connection mechanism 53.

  The lid locking portion 512 moves (contacts and separates) with respect to the main body locking portion 511 in the axial direction of the syringe main body 91. Thereby, each latching | locking part 511,512 is separated in the axial direction of the syringe main body 91 in order to make the main body insertion / extraction position which can insert / extract the syringe main body 91 in the main body accommodating part 51, and to remove the cover body 92 from the syringe main body 91. It is located at the lid removal position.

  Each operation part 52 moves with respect to the main body locking part 511 and the lid locking part 512 along a direction intersecting the axial direction of the syringe main body 91 (specifically, a direction orthogonal to the axial direction). As operated. Further, the pair of operation parts 52, 52 are arranged so as to sandwich the lid locking part 512 of the main body housing part 51, and come in contact with and away from each other, that is, so as to come into contact with and separate from the lid locking part 512. Operated.

  The connection mechanism 53 includes a guide portion 531 that guides the guided portion 512d of the lid locking portion 512. Further, the connection mechanism 53 includes a pulling position holding part 532 that holds the lid locking part 512 at the main body pulling position and a removal position holding part 533 that holds the lid locking part 512 at the lid releasing position. Prepare.

  The guide portion 531 includes guide grooves 531 a and 531 b that are fixed to the respective operation portions 52. The guide portion 531 has the guided portions 512d of the lid locking portion 512 inserted through the guide grooves 531a and 531b, and the guided portions 512d are at positions where the pair of guide grooves 531a and 531b communicate with each other. Is located.

  That is, the guide portion 531 connects the lid locking portion 512 and each operation portion 52, and the lid locking portion 512 is moved in the axial direction of the syringe main body 91 as each operation portion 52 moves. It is moved with respect to the locking portion 511. Therefore, the connection mechanism 53 can position the locking portions 511 and 512 at the main body insertion / removal position and the lid body removal position by the guide portion 531.

  Each guide groove 531a, 531b is formed in a straight line along the axial direction of the syringe main body 91 and the direction inclined with respect to the radial direction. The first guide groove 531a fixed to the first operation portion 52 and the second guide groove 531b fixed to the second operation portion 52 are arranged so as to be symmetrical in the axial direction of the syringe main body 91. Has been.

  The insertion / removal position holding unit 532 is a biasing body that biases the pair of operation units 52 and 52 so as to be separated from each other. The insertion / removal position holding unit 532 is disposed between the pair of operation units 52 and 52 and is connected to each operation unit 52. In addition, each operation part 52 protrudes from the auxiliary tool main body 55, when each latching | locking part 511,512 is located in a main body insertion / extraction position.

  The disengagement position holding portion 533 is a first engaging portion 533a fixed to the first operating portion 52, and a second engaging portion 533a that is rotatably fixed to the auxiliary tool body 55 and engages with the first engaging portion 533a. Engaging portion 533b. In addition, the disengagement position holding portion 533 includes a biasing body 533c that biases the second engagement portion 533b and a relationship between the engagement portions 533a and 533b in order to maintain the engagement between the engagement portions 533a and 533b. A release operation unit 533d that is operated to release the connection.

  The release operation portion 533d is fixed to the second engagement portion 533b, and rotates the second engagement portion 533b when operated against the urging force of the urging body 533c. In addition, each operation part 52 is located inside the auxiliary tool main body 55 when each latching | locking part 511,512 is located in a cover body detachment position, and does not protrude from the auxiliary tool main body 55. FIG.

  The extraction preventing unit 54 includes projecting pieces 541 and 541 that are fixed to the operation units 52 and project in a direction in which the operation units 52 and 52 face each other. And each protrusion piece 541 is located outside the latching | locking part main body 512a of the main body accommodating part 51, when each latching | locking part 511,512 (and operation part 52) is located in a main body extraction position. On the other hand, when each of the locking portions 511 and 512 (and the operation portion 52) is positioned at the lid body detaching position, it is locked via the hole 512c so as to lock the syringe main body 91 in the radial direction. It is located inward of the main part 512a.

  The auxiliary tool body 55 is partially covered by a pair of cover bodies 56 and 56. Each cover body 56 also has a function of guiding the lid body locking portion 512 along the axial direction of the syringe main body 91. FIG. 20 is an internal view through which the cover body 56 is transmitted.

  The configuration of the syringe auxiliary tool 5 according to this embodiment is as described above. Next, the operation of the syringe auxiliary tool 5 according to this embodiment will be described with reference to FIGS.

  First, as shown in FIG. 22 and FIG. 23, each operation part 52 protrudes from the auxiliary tool main body 55, and each locking part 511, 512 is a main body insertion / removal position at which the syringe main body 91 can be inserted and removed. Is located. At this time, since the pull-out position holding portion 532 is biased so as to separate the pair of operation portions 52, 52, the respective locking portions 511, 512 are held at the main body pull-out position. 22 is an internal view through which the cover body 56 is transmitted, and FIG. 23 is an internal view in which the syringe 9 and the lid locking portion 512 are omitted from FIG.

  Therefore, when the syringe main body 91 to which the lid 92 is attached is inserted and accommodated in the main body accommodating portion 51, the locking piece 512 b of the lid locking portion 512 is inserted into the gap between the syringe main body 91 and the lid 92. The Thereafter, when each operation unit 52 is operated so that each operation unit 52 moves along a direction orthogonal to the axial direction of the syringe main body 91, the guide portion 531 of the connection mechanism 53 is guided by the lid locking portion 512. Guide part 512d.

  Then, as the operation parts 52 and 52 move so as to approach each other, the lid locking part 512 moves in the axial direction of the syringe main body 91 and moves away from the main body locking part 511. As a result, the lid 92 is detached from the syringe main body 91 as shown in FIGS. And each operation part 52 is located inside the auxiliary tool main body 55, and each latching | locking part 511,512 is located in the cover body detachment position which can detach | leave the cover body 92 from the syringe main body 91. FIG.

  At this time, since the first and second engaging portions 533a and 533b of the disengaging position holding portion 533 are engaged with each other, the respective engaging portions 511 and 512 are held at the lid body disengaging position and are removed. Since each protruding piece 541 of the prevention portion 54 locks the syringe main body 91 in the radial direction, the syringe main body 91 is prevented from being pulled out from the main body housing portion 51.

  The injection can be performed as it is with the syringe auxiliary tool 5 attached to the syringe 9. 24 is an internal view through which the cover body 56 is transmitted, and FIG. 25 is an internal view in which the syringe 9 and the lid locking portion 512 are omitted from FIG.

  Thereafter, when the release operation portion 533d is pressed, the engagement between the first and second engagement portions 533a and 533b is released, so that the pull-out position holding portion 532 separates the pair of operation portions 52 and 52 from each other. Accordingly, each of the locking portions 511 and 512 is located at the main body insertion / removal position and is held at the main body insertion / removal position by the insertion / removal position holding unit 532.

  As described above, according to the syringe auxiliary tool 5 according to the present embodiment, each of the locking portions 511 and 512 can be operated when the syringe main body 91 is located in the main body insertion / removal position where the syringe main body 91 can be inserted and removed. The portions 52 and 52 are operated so as to move along the direction intersecting the axial direction of the syringe main body 91 with respect to the respective locking portions 511 and 512.

  Then, since each latching | locking part 511,512 is located in the cover body removal position separated in the axial direction of the syringe main body 91, the cover body 92 can be easily removed from the syringe main body 91. FIG. Therefore, the lid 92 can be easily detached from the syringe main body 91 by performing one operation of pushing the operation portions 52 after the syringe main body 91 is accommodated in the main body accommodating portion 51.

  Further, according to the syringe assisting tool 5 according to the present embodiment, when each of the locking portions 511 and 512 is located at the lid removal position, the extraction preventing portion 54 locks the syringe main body 91 in the radial direction. Therefore, the syringe main body 91 can be prevented from being pulled out from the main body accommodating portion 51. Thereby, when each operation part 52, 52 is operated, each latching | locking part 511,512 is located in a cover body detachment position from a main body insertion / extraction position, The state in which the syringe auxiliary tool 5 was attached to the syringe 9 Therefore, the injection can be performed as it is.

  Further, according to the syringe auxiliary tool 5 according to the present embodiment, the connection mechanism 53 connects the lid locking part 512 and the operation parts 52 and 52. As the operation units 52 and 52 move, the connection mechanism 53 moves the lid locking part 512 relative to the main body locking part 511 in the axial direction of the syringe main body 91.

  In addition, according to the syringe auxiliary tool 5 according to the present embodiment, the operation units 52 and 52 are operated so as to be in contact with and separated from the main body housing unit 51, and the extraction preventing unit 54 is connected to the operation units 52 and 52. It is fixed. Then, as each operating portion 52, 52 moves, when each locking portion 511, 512 is positioned from the main body insertion / removal position to the lid body removal position, the extraction preventing portion 54 of the main body housing portion 51 is moved. Located from outside to inside.

  Thereby, when each latching | locking part 511,512 is located in a main body insertion / extraction position, since the extraction prevention part 54 is located in the outer side of the main body accommodating part 51, a syringe is added to the main body accommodating part 51. While the main body 91 can be easily inserted and removed, when each locking portion 511, 512 is located at the lid body detachment position, the extraction preventing portion 54 is located inside the main body accommodating portion 51, The syringe main body 91 accommodated in the main body accommodating portion 51 can be reliably locked in the radial direction.

  In addition, the syringe auxiliary tool according to the present invention is not limited to the above-described embodiment, and it is needless to say that various changes can be made without departing from the gist of the present invention. In addition, the configurations and methods of the plurality of embodiments described above may be arbitrarily adopted and combined (the configurations and methods according to one embodiment may be combined with the configurations and methods according to other embodiments). Further, it is of course possible to arbitrarily select configurations, methods, and the like according to various modifications described below and adopt them in the configurations, methods, and the like according to the above-described embodiments.

  In the syringe auxiliary tool 1 according to the first embodiment, the case has been described in which the second operation surface 331 of the second operation unit 33 is pushed with the palm while the first operation unit 24 is entirely held by hand. It is not limited to such a configuration. For example, the first operation surface 241 of the first operation unit 24 may be pushed with a palm while the protrusion 332 of the second operation unit 33 is held by hand.

  Moreover, in the syringe auxiliary tool 1 which concerns on the said 1st Embodiment, although each latching body 2 and 3 demonstrated the structure provided with the operation parts 24 and 33, respectively, it is not restricted to such a structure. For example, a configuration in which the operation unit 24 is provided only on the lid locking body 2 or a configuration in which the operation unit 33 is provided only on the main body locking body 3 may be employed.

  Moreover, in the syringe auxiliary tool 1 which concerns on the said 1st Embodiment, although the structure by which the guide part 22 was provided in the cover body latching body 2 was demonstrated, it is not restricted to such a structure. For example, the main body locking body may be provided with a guide portion that guides the lid locking body.

  Moreover, in the syringe auxiliary tool 5 which concerns on the said 2nd Embodiment, although the structure which the cover body latching | locking part 512 moves with respect to the auxiliary tool main body 55 was demonstrated, it is not restricted to such a structure. For example, the main body locking part may be configured to move with respect to the auxiliary tool main body, or the main body locking part and the lid locking part may be moved with respect to the auxiliary tool main body.

  Moreover, in the syringe auxiliary tool 5 which concerns on the said 2nd Embodiment, although the structure in which the operation parts 52 and 52 were provided as a pair was demonstrated, it is not restricted to such a structure. For example, one operation unit may be provided.

  In the syringe auxiliary tool 5 according to the second embodiment, the configuration in which the connection mechanism 53 connects the lid locking portion 512 and each operation portion 52 has been described. However, the configuration is not limited thereto. For example, the connection mechanism may be configured to connect the main body locking portion and the operation portion, or may be configured to connect the main body locking portion, the lid locking portion, and the operation portion.

  Further, in the syringe auxiliary tool 5 according to the second embodiment, the connection mechanism 53 guides the lid locking portion 512 with the guide grooves 531a and 531b, so that the locking portions 511 and 512 are connected to the syringe main body 91. Although the structure which contacts / separates in an axial direction was demonstrated, it is not restricted to such a structure. For example, the connection mechanism may be configured to contact and separate each locking portion in the axial direction of the syringe main body 91 by a cam mechanism, a link mechanism, or a gear mechanism.

  Further, in the syringe auxiliary tool 1 according to the first embodiment, the extraction preventing unit 23 locks the injection needle 912 by the diameter method, and in the syringe auxiliary tool 5 according to the second embodiment, the extraction prevention is provided. Although the structure which the part 54 latches the trunk | drum 911a of the barrel 911 in radial direction was demonstrated, it is not restricted to such a structure.

  For example, the extraction preventing portion may be configured to lock the nozzle portion 911b and the finger grip 913 of the barrel 911 in the radial direction. Further, when the finger grip 913 is not provided, the flange portion 911c of the barrel 911 is provided. The structure which latches may be sufficient. In short, the extraction preventing portion may be configured to lock the syringe main body 91 in the radial direction.

  Moreover, in the syringe auxiliary tools 1 and 5 which concern on the said embodiment, although the main body latching | locking parts 311 and 511 demonstrated the structure which latches the finger blip 913 in an axial direction, it is not restricted to such a structure. For example, the main body locking portion may be configured to lock the body portion 911a of the barrel 911 in the axial direction. Further, when the finger grip 913 is not provided, the flange portion 911c of the barrel 911 is engaged in the axial direction. The structure which stops may be sufficient. In short, the main body locking portion may be configured to lock the syringe main body 91 in the axial direction.

  Moreover, in the syringe auxiliary tools 1 and 5 which concern on the said embodiment, although the syringe 9 demonstrated the structure which is a prefilled syringe for a patient himself to inject, it is not restricted to such a structure. The syringe auxiliary tool according to the present invention can be applied to any syringe as long as the lid is attached to the syringe body.

  DESCRIPTION OF SYMBOLS 1,5 ... Syringe auxiliary tool, 2 ... Lid locking body, 3 ... Main body locking body, 9 ... Syringe, 21,512 ... Lid locking part, 22 ... Guide part, 23, 54 ... Extraction prevention part , 24, 33, 52 ... operation unit, 31, 51 ... main body accommodation unit, 53 ... connection mechanism, 91 ... syringe body, 92 ... lid body, 311, 511 ... main body locking unit, 331 ... operation surface

Claims (5)

A main body locking portion that locks the cylindrical syringe body in the axial direction, and a lid body locking portion that locks the lid attached to the distal end portion of the syringe main body in the axial direction of the syringe main body,
Each locking portion is located at a lid body detaching position that is separated in the axial direction of the syringe body from the body insertion / removal position where the syringe body can be inserted into and removed from the body housing portion that houses the syringe body. A syringe aid,
Along the direction intersecting the axial direction of the syringe main body with respect to at least one of the main body locking portion and the lid body locking portion in order to position each locking portion from the main body insertion / removal position to the lid body removal position. Lock the syringe body in the radial direction to prevent the syringe body from being pulled out of the body housing part when the operation part operated to move and each locking part are located at the lid release position. A syringe assisting device comprising: an extraction preventing portion for performing the operation. A main body locking body having a main body locking portion, and a lid locking body having a lid locking portion,
The operation unit is provided on at least one of the main body locking body and the lid body locking body,
One of the main body locking body and the lid body locking body moves so as to move relative to the other in the axial direction of the syringe body as it moves relative to the other in the radial direction of the syringe body. The syringe auxiliary tool according to claim 1, further comprising a guide portion that guides the other along a direction inclined with respect to the direction and the radial direction. The operation unit has an operation surface to be operated,
The syringe auxiliary tool according to claim 2, wherein the operation surface is disposed along an axis direction and a radial direction of the syringe body.   A connection mechanism that connects at least one of the main body locking portion and the lid locking portion and the operation portion, and moves one of the main body locking portion and the lid locking portion with respect to the other in the axial direction of the syringe main body as the operation portion moves. The syringe auxiliary tool according to claim 1 provided. The operation unit is operated so as to be in contact with and away from the main body storage unit,
The extraction preventing portion is fixed to the operation portion so that each locking portion is positioned from the outside of the main body housing portion to the inward position by being positioned from the main body insertion / removal position to the lid body detaching position. 4. The syringe auxiliary tool according to 4.

Images