KR101864295B1

KR101864295B1 - Injection apparatus for radiation drug

Info

Publication number: KR101864295B1
Application number: KR1020180007847A
Authority: KR
Inventors: 명남복; 이명식
Original assignee: (주)동림의료기; 이명식
Priority date: 2018-01-22
Filing date: 2018-01-22
Publication date: 2018-06-07

Abstract

The present invention relates to a radiation medicine injector capable of replacing every process regarding the injection of radiation medicine through a syringe to prevent a medical team from being exposed to radiation when injecting the radiation medicine into a patient. The present invention includes: a base including a first installation part installed on the front side and a second installation part installed on the rear side; a holding unit installed in the first installation part, and including a storage part storing a syringe including radiation medicine; an injecting unit including an inserting part installed in the second installation part, and inserted with a needle of the syringe, a passage part connected to the front side of the inserting part, and a discharge part connected to the front side of the passage part and discharging the radiation medicine; and a moving unit moving the holding unit forward and backward.

Description

[0001] INJECTION APPARATUS FOR RADIATION DRUG [0002]

The present invention relates to a radiopharmaceutical injection device that replaces the entire process of injecting a radiopharmaceutical through a syringe so that the radiopharmaceutical is not exposed to radiation emitted from the radiopharmaceutical during the course of administering the radiopharmaceutical to the patient.

Radiological drugs include drugs that contain radiation-emitting drugs, including contrast agents that make tissues or blood vessels visible during radiography, fluorodeoxyglucose used in PET (Positron Emission Tomography) tests, and the like. , The current radiopharmaceutical is stored in a vein injection bottle with a sealed rubber cap and injected through a sealed syringe into the rubber cap.

Although these drugs have a high affinity for certain organs or diseases and have a short half-life, there is no big problem even if they are given to patients. There is no big problem because of the large amount of exposure in the process of repeatedly distributing and measuring .

Conventional technology for solving this problem is disclosed in Japanese Utility Model Publication No. 20-1996-0000093 (published on Jan. 4, 1996) (hereinafter referred to as prior art) A radiation shielding syringe for a liquid composition of a radiopharmaceutical which is designed to prevent exposure to radiation upon administration.

However, even if the radiation is shielded to the utmost, in the course of administering the radiopharmaceutical to the patient, the direct handling of the radiopharmaceutical by the medical staff, or the inhalation and administration by hand or through a syringe or other means may cause exposure to radiation or even contact with the radiation medicament The risk of

Thus, in the course of administering a radiopharmaceutical to a patient, the need for a radiopharmaceutical injection device that can be administered without direct handling of the radiopharmaceutical is reconsidered.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a holding unit for holding a syringe containing a radiation drug, an injection unit for discharging a radiation drug for receiving a needle of the syringe fixed to the holding unit, In the course of administering the radiopharmaceutical to the patient, by replacing all the steps involved in the injection of the radiopharmaceutical through the configuration of the mobile unit that moves or transfers the syringe to or from the injection unit. And to provide a radiological drug infusion device which is capable of preventing the radiation dose from being exceeded.

It is also an object of the present invention to provide a mobile unit with a unique structure and configurations including a guide, a slider, and a driving stick, thereby securing straightness and improving driving stability in forward and backward movement of the holding unit.

It is also intended to introduce a pushing unit that pushes or pulls the piston of the syringe to pull in and out, thereby enabling the piston action (discharge of the drug) of the syringe to be performed instead of the direct handling of the medical staff.

It is another object of the present invention to enable mixing and administration of additional medicines required for radiological drug injection, as well as radiation medicines, without directly handling the medical staff, through an opening / closing unit for selectively opening and closing the passage portion of the injection unit.

The present invention having the above object has the following configuration and features.

The present invention provides a medical instrument comprising: a holding unit including a base including a first mounting portion provided at a rear side and a second mounting portion provided at a front side, and a receiving portion accommodating a syringe accommodated in the first mounting portion, An injection unit provided in the second mounting portion and including an insertion portion into which the needle of the syringe is inserted, a passage portion connected to the front of the insertion portion, and a discharge portion which is connected to the front of the passage portion and through which the radiation drug is discharged, And a mobile unit for moving the mobile unit forward and backward.

The moving unit includes a guide horizontally disposed on the mounting surface of the base, a seating part on which the holding unit is seated, a slider coupled to the guide and moving along the guide, And a driving stick protruding from the driving stick.

The pushing unit may further include a clamp for clamping an end of the piston, a driving bar connected to the clamp to advance or retreat the clamp, And a driving means for moving the bar.

Further comprising an opening / closing unit coupled to the injection unit, wherein the opening / closing unit includes a first passage at the rear portion constituting the passage portion of the injection unit, a second passage at the front, and an opening / And opening / closing means for controlling selective communication of the passage portion by rotating the opening / closing member.

The present invention having the above-described constitution and features replaces all the processes related to the injection of the radiopharmaceutical to prevent the medical staff from being exposed to the radiation emitted from the radiopharmaceutical during the administration of the radiopharmaceutical to the patient, The operation of the piston of the syringe can be performed in place of the direct handling of the medical staff, and furthermore, without the direct handling of the medical staff, the radiation medicine as well as the additional It is possible to perform mixing, administration, etc. of drugs together.

BRIEF DESCRIPTION OF THE DRAWINGS Fig.
Fig. 2 is an overall structural road view of the present invention; Fig.
Fig. 3 is a rear view of the entire construction of the present invention. Fig.
4 is a detailed view showing the detailed structure of the injection unit;

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

It is to be understood that the first to second aspects described in the present specification are merely referred to in order to distinguish between different components and are not limited to the order in which they are manufactured, It may not match.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a radiation drug injector (hereinafter referred to as " apparatus A ") according to the present invention will be described in detail with reference to the accompanying drawings.

Prior to describing the present invention, by specifying the approximate direction for convenience of explanation, the left side provided with the injection unit 3 is referred to as the front side, the pushing unit 5 provided with the pushing unit 5 The right side is rearward, and the upper and lower sides are distinguished in the state as shown. This direction specification shall also apply to the claims unless otherwise specified.

1 to 3 are the overall configuration diagrams of the present invention. Particularly, FIG. 1 is a side view of the present invention, FIG. 2 is a plan view of the present invention, and FIG. 3 is a rear view of the present invention.

1 to 3, the present apparatus A mainly comprises a base 1, a holding unit 2 provided on the base 1, a holding unit 2 mounted on the base 1, And a moving unit 4 that moves the holding unit 2 forward and backward.

As shown in Figs. 1 and 2, the base 1 is provided with the first mounting portion 11 provided at the rear side and the first mounting portion 11 provided at the front side, 2 mounting portion 12. As shown in Fig. The first and second mounting portions 11 and 12 are interpreted as a concept of an installation space and the holding unit 2 is provided in the first mounting portion 11 and the injection unit 3 is provided in the second mounting portion 12 .

Next, the holding unit 2 is configured to receive and fix the syringe containing the radiation medicament, and is provided in the first mounting portion 11 of the base 1, as shown in Figs. 1 and 2, And a receiving portion 21 for receiving the accommodated syringe. The receiving portion 21 has a shape corresponding to the outer shape of the syringe so that the syringe accommodated therein is fixed without shaking.

Next, the injection unit 3 is provided in the second mounting portion 12 of the base 1, as shown in Figs. 1 and 2, in such a configuration that the radiation medicine contained in the syringe is administered to the patient.

1 and 2, this injection unit 3 includes an insertion portion 31 into which a needle of a syringe is inserted, a passage portion 32 connected to the front of the insertion portion 31, And a discharge portion 33 connected to the front of the portion 32 and through which the radiation medicament is discharged.

The insertion portion 31 is a portion to which the needle of the syringe is inserted and is disposed at the rearmost portion among the respective portions of the injection unit 3 and has a shape corresponding to the shape of the body of the needle or needle adjacent to the needle. The passage portion 32 is a portion communicating with the needle of the syringe inserted into the insertion portion 31 and moving the radiation medicine in the syringe. The discharging portion 33 is a portion through which the radiation medicament communicated with the passage portion 32 is discharged. The discharging portion 33 is connected to a vein main use connector (a syringe needle communicating with the vein of the patient, ).

Next, the mobile unit 4 is configured to move the holding unit 2 forward and backward, and the holding unit 2 is advanced to insert the accommodated syringe into the insertion portion 31 of the injection unit 3, And the holding unit 2 is reversed to separate the syringe inserted in the insertion portion 31 to prepare for recharging the radiation medicine to the syringe.

The present invention having the above-described features and features allows the needle of the syringe to be inserted into the injection unit 3 side through the mobile unit 4 after receiving and fixing the syringe containing the radiation medication through the holding unit 2, By administering the radiopharmaceutical to the patient through the unit 3, it is possible to avoid direct manual administration of the radiopharmaceutical to the medical practitioner so that the medical staff is not exposed to radiation emitted from the radiopharmaceutical.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings in which: FIG.

1, the base 1 includes a moving unit 4, in particular a mounting surface 13 on which a guide 41 is installed, A wall 14 surrounding the first and second mounting portions 11 and 12, an exposure hole 15 formed in the wall 14 and a storage portion 16 provided under the mounting surface 13 .

The mounting surface 13 corresponds to the bottom surface of the base 1 and is partially overlapped with the first mounting portion 11. The first mounting portion 11 is a holding unit 2, the mounting surface 13 is interpreted as a concept of specifying the bottom surface on which the guide 41 of the moving means, including the holding unit 2, is installed desirable.

Next, as shown in Fig. 2, the wall 14 has a structure corresponding to the outer periphery of the base 1, and includes a front wall 141 provided on the front side, a rear wall 142 provided on the rear side, The base 1 may take the form of an upper opening box having a first mounting portion 11 and a second mounting portion 12 formed at an inner center thereof.

Next, the exposure hole 15 is provided in the wall 14 (particularly, the side wall 143) as shown in Fig. 2, and is driven by the driving unit 4, the pushing unit 5, Thereby providing an external exposure of the trigger (grip portion).

2, the exposure hole 15 may include first through third exposure holes 151, 152, and 153, and may include a relatively second most exposed second exposure hole 152 The first exposure hole 151 provided at the rear of the second exposure hole 152 exposes the gripping portion of the drive means 53 which is one component of the opening and closing unit 6 described later, The driving stick 43 which is a constituent of the pushing unit 4 is exposed and the third exposure hole 153 provided at the rear of the first exposure hole 151 is a driving unit The grasping portion of the pressing member 53 is exposed.

Next, the storage part 16 is a space provided under the installation surface 13, and various parts including the needles of the syringe for replacement can be stored in the storage part 16. [

1 and 2, the holding unit 2, which is a constitution of the present apparatus A, will be described in detail. As shown in FIGS. 1 and 2, (22), and a handle (23) provided so as to protrude outward on one side of the holder (22).

For each configuration, the holder 22 may have the shape of a block having the accommodating portion 21 therein, and the specific shape thereof need not be specified either. The holder 22 is preferably made of a material capable of absorbing or reflecting radiation for shielding radiation and a material having an appropriate rigidity.

The handle 23 is provided so as to be capable of holding the holder 22 so that a large amount of radiation is emitted from the radiation medicament and therefore the present invention can be applied to the holder 22 through the handle 23 without directly holding the holder 22. [ So that the user can indirectly grasp the user.

1, the holder 22 is preferably adapted to be coupled to the slider 42 of the mobile unit 4 and to move with the slider 42, and the radiation drug dispensing device It is preferable that the holder 22 and the slider 42 are detachably coupled with each other in consideration of a situation in which the radiation medicament is appropriately distributed through the slider 42. [

Next, an additional feature of the injection unit 3 and a configuration of the opening / closing unit 6 will be described. 4 showing the detailed structure of the injection unit 3 which is one constitution of the present invention, the apparatus A is constructed such that the passage portion 32 of the injection unit 3 is connected to the first passage 321, And may include a front second passage 322 and the other third passage 323.

The first passage 321 communicates with the insertion portion 31 in a configuration corresponding to the rear of the passage portion 32. The second passage 322 communicates with the discharge portion 33 in a configuration corresponding to the front of the passage portion 32.

And the third passage 323 corresponds to the other side of the passage portion 32. Herein, the "other side" means "upper direction", "lower direction" or "left and right direction" except front and rear directions do. 4, an embodiment in which the third passage 323 is formed in the upward direction is shown. The third passage 323 may be filled with a medicament such as saline, which is preferably injected or injected when the medicament is administered.

The characteristic of the passage portion 32 is related to the provision of the opening and closing unit 6 which can be a constitution of the present apparatus A. The opening and closing unit 6 includes a first passage 321 and a second passage The additional drug (saline solution) is appropriately administered to the patient by selectively communicating the second passage 322 with the third passage 323 or the third passage 323 with the first passage 321 .

Specifically, referring to Figs. 1, 2 and 4, the apparatus A can further include an opening / closing unit 6 coupled to the injection unit 3.

2 and 4, the opening and closing unit 6 includes a first passage 321 at the rear which constitutes the passage portion 32 of the injection unit 3, a second passage 321 at the front An opening and closing member 61 for selectively communicating the other passage 322 and the other third passage 323 and an opening and closing means 62 for controlling the selective communication of the passage portion 32 by rotating the opening and closing member 61 .

The opening and closing member 61 may be a valve for selectively opening and closing the passage portion 32 of the injection unit 3, that is, the first to third passages 321, 322 and 323, (62) can be constituted by a switch that allows each passage to be interlocked selectively by rotating the opening and closing member (61). 2, the grip portion of the opening / closing means 62 is preferably exposed to the outside through the second exposure hole 152 of the base 1 so as to be operated by the medical staff.

Next, the details of the mobile unit 4, which is one configuration of the apparatus A, will be described. 1 to 3, the apparatus A includes a guide 41 in which the moving unit 4 is horizontally disposed on the mounting surface 13 of the base 1, and a seat on which the holding unit 2 is seated And a driving stick 43 coupled to the side of the slider 42 and protruding to the side of the slider 42. The slider 42 includes a slider 42, .

Specifically, the guide 41 is provided on the mounting surface 13 of the base 1, horizontally, and more specifically, horizontally arranged from the front of the apparatus A to the rear. The guide 41 may be formed in the form of a protrusion or a groove, and the slider 42 may have a groove or a coupling end of the protrusion so as to be coupled to the guide 41.

The slider 42 is engaged on the guide 41 and moves along the guide 41. The slider 42 has a seating portion on which the holding unit 2 is seated so that the holding unit 2 is moved along the guide 41 Let's go back and forth.

The driving stick 43 is coupled to the side of the slider 42 and protrudes to the side of the slider 42. When an external force is applied to the driving stick 43 through this feature, So that the slider 42 is moved along the guide 41. A method of applying an external force to the driving stick 43 can be variously performed. In order to omit the power source, the medical staff manually moves the slider 42 while gripping the driving stick 43 . In particular, as shown in FIG. 2, the driving stick 43 is preferably exposed to the outside of the base 1 through the first exposure hole 151 of the base 1 in terms of ease of gripping.

Next, a description will be given of the pushing unit 5, which is a further configuration of the present apparatus A. FIG. As shown in Figs. 1 and 2, the apparatus A may further include a pushing unit 5 for pushing or pulling the piston of the syringe to draw and pull out the piston.

2, the pushing unit 5 includes a clamp 51 for clamping the end portion of the piston, a drive bar 52 connected to the clamp 51 for advancing or retracting the clamp 51, And driving means (53) for moving the driving bar (52).

For each configuration, the clamp 51 is configured to receive and clamp the end portion of the piston of the syringe, and it is desirable to firmly fix the piston so as to ensure the straightness of the piston. For this purpose, It is preferable to have a groove.

The driving bar 52 is connected to the clamp 51 and receives the physical force to move the clamp 51 forward or backward. The driving bar 52 is not limited to the specific lifting structure, Or by forward / backward movement of the clamp 51 by means of a spring (not shown).

2, the grasping portion of the driving means 53 is moved to the third exposure (not shown) of the base 1, Can be exposed to the outside of the base (1) through the hole (153). Of course, it should not be excluded here that the driving means 53 is constituted by an automatic operation mode instead of a manual operation mode.

While the invention has been shown and described with reference to certain embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

A: This device (radiation drug injection device)
1: Base
11: first mounting portion 12: second mounting portion
13: Mounting surface 14: Wall
15: Exposure hole 16: Storage part
2: Holding unit
21: receptacle 22: holder
23: Handle
3: injection unit 31:
32: passage portions 321 to 323: first to third passages
33:
4: mobile unit
41: guide 42: slider
43: driving stick
5: Pushing unit
51: Clamp 52: Drive bar
53: Driving means
6: opening / closing unit
61: opening / closing member 62: opening /

Claims

A base including a first mounting portion provided at the rear side and a second mounting portion provided at the front side;
A holding unit provided at the first mounting portion, the holding unit including a receiving portion for receiving a syringe containing the radiation drug;
An injection unit provided in the second mounting portion and including an insertion portion into which the needle of the syringe is inserted, a passage portion connected to the front of the insertion portion, and a discharge portion connected to the front of the passage portion and discharging the radiation drug; And
A moving unit for moving the holding unit back and forth;
And a radiation source.

The method according to claim 1,
The mobile unit
A guide horizontally disposed on an installation surface of the base,
A slider having a seating portion on which the holding unit is seated and being coupled to the guide and moving along the guide;
And a drive stick coupled to a side of the slider and projecting to a side of the slider.

The method according to claim 1,
Further comprising a pushing unit for pushing or pulling the piston of the syringe in and out,
Wherein the pushing unit comprises a clamp for clamping an end of the piston, a drive bar connected to the clamp for advancing or retracting the clamp, and a drive means for moving the drive bar.

The method according to claim 1,
And an opening / closing unit coupled to the injection unit,
The opening and closing unit includes an opening and closing member for selectively communicating a first passage at the rear side, a second passage at the front and a third passage at the other side constituting the passage portion of the injection unit, and an opening / closing member for controlling the selective communication of the passage portion by rotating the opening / closing member And the opening and closing means.