KR20180043435A - Gas removal apparatus for tension pneumothorax - Google Patents

Gas removal apparatus for tension pneumothorax Download PDF

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Publication number
KR20180043435A
KR20180043435A KR1020160135735A KR20160135735A KR20180043435A KR 20180043435 A KR20180043435 A KR 20180043435A KR 1020160135735 A KR1020160135735 A KR 1020160135735A KR 20160135735 A KR20160135735 A KR 20160135735A KR 20180043435 A KR20180043435 A KR 20180043435A
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human body
gas
flow path
outside
pneumothorax
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KR1020160135735A
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Korean (ko)
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KR101864315B1 (en
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김중희
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서울대학교병원
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Priority to KR1020160135735A priority Critical patent/KR101864315B1/en
Priority to PCT/KR2017/011530 priority patent/WO2018074840A2/en
Publication of KR20180043435A publication Critical patent/KR20180043435A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/04—Artificial pneumothorax apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/1025—Respiratory system

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Treating Waste Gases (AREA)

Abstract

The present invention relates to a gas removing device for tension pneumothorax which comprises: an insertion part which is inserted into a human body, in which an inlet into which a gas contained in the human body is introduced is formed at an end part, and in which a passage through which the gas introduced from the end part can be flowed is formed therein; and a body part extending from the insertion part, and forming an outlet communicating the passage with the outside so that the gas introduced to the passage flows out to the outside. According to the present invention, an emission effect of the gas is improved, and damage to the human body can be prevented.

Description

TECHNICAL FIELD [0001] The present invention relates to a gas-removing apparatus for a pneumothorax (GAS REMOVAL APPARATUS FOR TENSION PNEUMOTHORAX)

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for removing gas for tension pneumothorax, and more particularly, to a device for removing gas for tension pneumothorax, which can prevent the damage of the human body while improving the discharge effect of gas.

Tension pneumothorax is one of the common causes of death in trauma patients. Tension pneumothorax refers to an emergency disease in which the pneumothorax becomes so severe that the heart is pushed to the opposite side and the blood in the vein can not return to the heart, resulting in a shock state and at the same time a state of pulmonary insufficiency.

Such a tension pneumothorax may occur without trauma, and may occur during a single trauma, massive disaster, or battle. In particular, previous studies have reported that 33% of preventable deaths during combat are due to tension pneumothorax.

In cases of tension pneumothorax, a common first aid is to remove the gas that presses the lungs by inserting a vein catheter into the chest. However, existing studies report that this method is not effective for gas release, and substances with high viscosity such as blood are rarely discharged.

In particular, when continuous positive pressure ventilation is required (coma and severe respiratory failure), the pace of the pneumothorax progresses rapidly, and this approach is very impractical. In addition, if a sharp vessel vein catheter is inserted in an unclear state of pneumothorax, it may cause a pneumothorax. Therefore, there is a recommendation to consider Finger thoracostomy, which is the procedure of inserting a finger after a simple incision and puncturing a large hole in an emergency situation (especially at a paramedic or mass disaster site, on a battlefield) There is a risk that a surgeon may be exposed to a hemorrhagic infection if it is stuck to the fracture end. If the tissue is strong and strong, the piercing itself may be difficult from the beginning, and it is difficult to maintain or manage the opening after the procedure. Although chest tube intubation can be considered, it is not possible to provide a large number of surgical tools that require new patients to be opened in emergency rooms, mass disasters, and battlefields where the treatment for tension pneumothorax is most needed. It can be considered impossible.

SUMMARY OF THE INVENTION An object of the present invention is to provide a device for removing a gas for a pneumothorax, which is capable of improving a discharge effect of a gas and preventing a human body from being damaged.

According to an aspect of the present invention, there is provided an apparatus for inserting an inserting portion into a human body, the inserting portion being formed at an end of the inserting body, ; And a body portion extending from the insertion portion and having an outlet communicating the flow path with the outside so that the gas flowing into the flow path flows out to the outside.

In addition, the outlet may be formed so as to face a predetermined direction so as to prevent foreign matter from entering from the outside.

The base portion includes a base portion, an extension portion extending from the base portion to the outside and forming the outlet portion at the end portion, a grip portion protruding from an end of the base portion, And a stopper portion protruding from a portion where the base portion and the insertion portion are connected to each other so as to be prevented from being inserted into the base portion.

The stopper portion may be formed with a through hole into which the fastening means is inserted so as to be attached to the surface of the human body by fastening means.

In addition, the stopper portion may be formed in a plurality of the through holes spaced apart at predetermined intervals.

The insertion portion may include a body portion extending from the body portion, and an inclined portion extending from the body portion and formed to be inclined at an end portion thereof.

Further, the tip formed by inclining the inclined portion can be chamfered.

In addition, the inclined portion may be formed with an auxiliary inlet for communicating the flow path and the inside of the human body.

Further, the insertion portion and the body portion may be formed of a metal material or a synthetic resin material.

In addition, the present invention may further include a unidirectional valve inserted into the inlet port to prevent gas from entering the inlet port from the outside, allowing gas contained in the human body to flow out to the inlet port.

According to the present invention, there is provided a gas-removing apparatus for a tension pneumothorax which can improve a discharge effect of a gas and prevent a human body from being damaged.

According to the present invention, since the structure is simple, easy to manufacture, and low in manufacturing cost, commercialization of the product is extremely easy. Therefore, it is possible to provide prompt treatment of severely traumatized patients by providing primary care of severely traumatized trauma patients in both national fire departments, ambulances and emergency rooms. In addition, mass production of mass casualties, such as mass casualties and battlefields, can provide practical assistance in rescuing many patients when they are put in various government offices and military units.

FIG. 1 is a side view of a device for removing a gas pneumothorax according to a first embodiment of the present invention inserted in a plane of a human body,
FIG. 2 is a side view of a device for removing a pneumatic thoracic gas according to the first embodiment of the present invention inserted from the side of a human body,
FIG. 3 is an enlarged view of an insertion portion of a device for removing a gas for a tension pneumothorax according to the first embodiment of the present invention,
4 is an enlarged view of a stopper portion of a device for removing a gas for a tension pneumothorax according to a first embodiment of the present invention,
FIG. 5 is a side view of a device for removing tension pneumothorax according to a second embodiment of the present invention,
6 is an enlarged view of a stopper portion of a device for removing a gas for a tension pneumothorax according to a second embodiment of the present invention,
FIG. 7 illustrates a device for removing a gas for a pneumothorax according to a third embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an apparatus for removing a pneumothorax according to a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a side view of a device for removing a pneumothorax for a transtracheal pneumothorax according to a first embodiment of the present invention, and FIG. 2 is a perspective view of a device for removing a pneumothorax for tension pneumothorax according to the first embodiment of the present invention. FIG. 3 is an enlarged view of an inserting portion of the apparatus for removing tension pneumothorax according to the first embodiment of the present invention, and FIG. 4 is a cross- The stopper portion of the device for removing a gas for a pneumothorax is shown in an enlarged scale.

As shown in FIGS. 1 to 4, the apparatus 100 for removing a tension pneumothorax according to the first embodiment of the present invention includes an insertion portion 110 and a body portion 120.

The insertion portion 110 is inserted into the human body h and an inlet i1 through which gas contained in the human body h flows is formed at an end portion of the body h so that the flow path p are formed inside. The insertion portion 110 includes a body portion 111 and an inclined portion 112.

The body portion 111 is formed to extend from the main body portion 120 to be described later, and the inclined portion 112 described later is formed at the end portion. The body portion 111 has a flow path p formed therein.

The inclined portion 112 is formed to extend from the body portion 111 and is formed so that the end portion thereof is inclined.

As shown in Fig. 3, such an inclined portion 112 is formed by being cut so as to be inclined so that the distal end forms a tip. According to the shape of the inclined portion 112, the inflow port i1 is formed in the thoracic cavity while minimizing nerve and blood vessel damage at the lower end of the rib located at the upper portion of the human body h insertion portion, Can be reached.

It is preferable that the tip portion of the inclined portion 112 is chamfered so that the surface and the inside of the human body h are prevented from being damaged when the inclined portion 112 is inserted into the inside of the human body h.

The slope part 112 is formed with a flow path p communicating with the flow path p formed in the main body part 120. The slope part 112 is formed on the outer surface of the slope part 112, And an auxiliary inlet port (i2) for communicating the flow path (p) with the inside of the human body (h) is formed.

According to the auxiliary inlet i2, the effect of being able to flow the gas into the flow path p even when the inlet i1 is blocked by the lung and the gas can not flow into the inlet i1.

Meanwhile, it is preferable that the insertion portion 110 including the body portion 111 and the inclined portion 112 is made of a synthetic resin material so as to improve the manufacturing convenience and reduce the manufacturing cost.

The main body 120 is formed with an outlet o communicating the flow path p with the outside such that the gas flowing into the flow path p formed inside the insertion portion 110 flows out to the outside, And is extended from one insertion portion 110. The body portion 120 includes a base portion 121, an extension portion 122, a grip portion 123, and a stopper portion 124.

The base portion 121 is formed to extend from the body portion 111 described above, and an extended portion 122, which will be described later, is formed on the outer surface. The flow path p formed in the base communicates with the flow path p formed in the body portion 111 described above. The gas inside the human body h flowing into the inlet port i1 or the auxiliary inlet port i flows into the flow path p formed inside the base portion 121 and then the gas flows into the extension portion 122 (O) which is formed in the bottom of the housing. Through the above-described process, the gas inside the human body h is discharged to the outside.

The extension portion 122 is formed to extend outward from the base portion 121, and an outlet o is formed at the end portion. This extension portion 122 is formed to be bent in the direction toward the paper or the side, and therefore, the outlet o is formed to face the paper or the side surface. In addition, as shown in FIG. 2, when the insertion portion 110 is inserted into the side surface of the human body, the extension portion 122 'is bent so as to face toward the ground.

According to the warping of the extensions 122 and 122 'and the direction of the outflow port, when the operation is performed using the device 100 for removing a pneumothorax for tension pneumatic according to the first embodiment of the present invention, The foreign matter is effectively prevented from flowing into the outlet o.

Meanwhile, a port that can be connected to an external device may be formed at an end where the outlet o is formed, and a small unidirectional valve 230 may be connected to the port. According to this unidirectional valve 230, when a positive pressure is applied to the human body h as a result of breathing, the gas and liquid inside the human body h are induced to flow out, it is possible to effectively prevent the outside gas from entering the inside of the human body h when negative pressure is applied to the human body h.

The grip portion 123 is protruded from the upper end of the base portion 121 to provide a space that a practitioner can grasp.

The stopper portion 124 is protruded from a portion where the base portion 121 and the insertion portion 110 are connected by preventing the base portion 121 from being inserted into the inside of the human body h. The stopper portion 124 is protruded from both sides of the lower end of the base portion 121. The stopper portion 124 effectively prevents the base portion 121 from being inserted into the inside of the human body h .

On the other hand, the stopper 124 is preferably provided with a through-hole v into which the fastening means is inserted so that it can be attached or fixed to the surface of the human body h by fastening means (e.g., thread).

The main body portion 120 including the base portion 121, the extension portion 122, the grip portion 123 and the stopper portion 124 can be manufactured in a convenient manner while reducing the manufacturing cost It is preferable that it is made of a synthetic resin material.

Therefore, according to the apparatus 100 for removing a pneumothorax for tension pneumothorax according to the first embodiment of the present invention including the insertion portion 110 and the main body portion 120, it is possible to improve the discharge effect of the gas, There is provided a gas-removing device for a tension pneumothorax capable of preventing damage of the pneumothorax.

Further, since the apparatus for removing pneumothorax 100 according to the first embodiment of the present invention is simple in structure, easy to manufacture, and low in manufacturing cost, commercialization of the product is extremely easy, And can be widely used in situations where emergency measures are needed.

Hereinafter, with reference to the accompanying drawings, the apparatus for removing a gas for a tension pneumothorax according to a second embodiment of the present invention will be described in detail.

FIG. 5 is a side view of the apparatus for removing a pneumothorax according to a second embodiment of the present invention, and FIG. 6 is an enlarged view of a stopper of the apparatus for removing a pneumothorax according to a second embodiment of the present invention will be.

5 and 6, the apparatus 200 for removing a tension pneumothorax according to the second embodiment of the present invention includes an insertion portion 210, a body portion 220, and a one-way valve 230 .

The insertion part 210 is inserted into the human body h and an inlet i1 through which gas contained in the human body h flows is formed at an end of the body h so that the flow path p are formed inside. The insertion portion 210 is formed to be bent in the form of a hook as a whole. According to the shape of the insertion portion 210, when the insertion portion 210 is inserted into the human body h, the ribs on the upper portion of the insertion portion 210 are avoided to minimize the damage of the nerves and blood vessels beneath the ribs, It is easy to reach. The insertion portion 210 includes a body portion 211 and an inclined portion 212.

The body portion 211 is formed to extend from a body portion 220 described later, and an inclined portion 212, which will be described later, is formed at the end portion. The body portion 211 has a flow path p formed therein.

The inclined portion 212 is formed to extend from the body portion 211 and is formed so that the end portion thereof is inclined.

The slope portion 212 is formed with a flow path p communicating with the flow path p formed in the main body portion 220. The slope portion 212 has an inclined portion 212, An auxiliary inlet port i2 for communicating the formed flow path p with the inside of the human body h is formed.

According to the auxiliary inlet i2, the effect of being able to flow the gas into the flow path p even when the inlet i1 is blocked by the lung and the gas can not flow into the inlet i1.

The inclined portion 212 is preferably chamfered to prevent the surface of the human body h from being damaged when the inclined portion 212 is inserted into the human body h.

Meanwhile, it is preferable that the insertion portion 210 including the body portion 211 and the inclined portion 212 is made of a synthetic resin material so as to improve the manufacturing convenience and reduce the manufacturing cost.

The main body 220 is formed with an outlet o communicating the flow path p with the outside such that the gas flowing into the flow path p formed inside the insertion portion 210 flows out to the outside, (Not shown). The main body portion 220 includes a base portion 221, a grip portion 222, and a stopper portion 223.

The base portion 221 is formed to extend from the body portion 211, and a flow path p is formed therein. The flow path p formed in the base communicates with the flow path p formed in the body portion 211 described above. The gas inside the human body h flowing into the inlet port i1 or the auxiliary inlet port i2 flows into the flow path p formed inside the base portion 221. [

The grip portion 222 is protruded from the upper end of the base portion 221 to provide a space that a practitioner can grasp. Since the grip portion 222 is formed to be bent so as to correspond to the operator's hand, the grip portion 222 has an effect of greatly increasing the convenience of the operator's procedure.

In the inside of the grip portion 222, a flow path p communicating with the flow path p formed in the base portion 221 is formed, and at one end portion of the grip portion 222, An outlet port o is formed.

The gas inside the human body h flowing into the inlet port i1 or the auxiliary inlet port i2 flows through the flow path p formed in the base portion 221 and flows through the flow path formed in the grip portion 222 p to the outlet o. According to the above-described process, the gas inside the human body h is discharged to the outside.

A port that can be connected to an external device is formed at one end of the gripper 222, that is, at an end where the outlet o is formed. External devices connected to these ports may be provided in two types.

The first external device is provided with a small unidirectional valve 230 which permits the gas and liquid inside the human body h to be discharged to the outside as described above, And serves to prevent entry into the interior.

The second external device is provided with a device capable of forming a negative pressure. When the above-described external device is operated after a port formed at one end of the grip portion 222 is connected to an external device, a negative pressure is formed and the gas inside the human body h can be discharged more efficiently to the outlet port o have.

On the other hand, a tip end is formed at the other end of the grip portion 222. Such a tip may be used when there is no additional surgical tool, since it has hardness and sharpness enough to pierce the tough skin firstly without additional tools (surgical knives, etc.). Further, when the small skin incision knife having the protective cap instead of the above-mentioned tip is installed at the other end of the grip portion 22, the skin incision can be more effectively performed.

The stopper portion 223 prevents the insertion of the base portion 221 into the inside of the human body h by protruding from the portion where the base portion 221 and the insertion portion 210 are connected. The stopper portion 223 protrudes from both sides of the lower end of the base portion 221. The stopper portion 223 effectively prevents the base portion 221 from being inserted into the inside of the human body h .

The stopper 223 is preferably provided with a through hole v through which the fastening means is inserted so that it can be attached or fixed to the surface of the human body h by fastening means (e.g., thread).

When the fastening means is inserted into the plurality of through holes v and fastened, the base portion 221 is pressed against the surface of the human body h, As shown in Fig.

In addition, it is preferable that the predetermined interval is provided to have a width corresponding to the width of the bonding means t so that the bonding means t is attached. By using the adhesive means t, the base portion 221 can be more effectively attached or fixed on the surface of the human body h.

As described above, the body portion 220 including the base portion 221, the grip portion 222, and the stopper portion 223 is made of a synthetic resin material so as to improve the manufacturing convenience and reduce the manufacturing cost desirable.

The unidirectional valve 230 is provided so as to be inserted into or withdrawn from a port formed at an end where the outlet o is formed so that when the positive pressure is applied to the human body h as the breath is exerted, And prevents the outside gas from entering the inside of the human body h when negative pressure is applied to the human body h as it breathes while inducing the gas and liquid in the human body h to flow out.

Therefore, according to the apparatus 200 for removing tension pneumothorax according to the second embodiment of the present invention including the insertion section 210, the main body section 220, and the one-way valve 230, There is provided a device for removing gas for tension pneumothorax which can prevent damage of the human body h at the same time.

In addition, the apparatus 200 for removing a gas for pneumatization according to the second embodiment of the present invention has a simple structure, is easy to manufacture, and has a low manufacturing cost. Therefore, it is very easy to commercialize a product, And can be widely used in situations where emergency measures are needed.

Hereinafter, a device for removing a tension pneumothorax according to a third embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 7 illustrates a device for removing a gas for a pneumothorax according to a third embodiment of the present invention.

7, the apparatus 300 for removing pneumothorax according to the third embodiment of the present invention includes an insertion portion 310, a main body 320, a guide portion 330, a one-way valve 340, .

The insertion portion 310 is inserted into the human body h and an inlet i1 through which gas contained in the human body h flows is formed at an end portion of the body h so that the flow path p are formed inside.

The insertion portion 310 may be formed as a flexible tube. Such a soft tube is shaped like a shape memory alloy. 7 (a), when the guide part 330 described later is inserted into the insertion part 310, the insertion part 310 is inserted in a straight line (not shown) along the longitudinal direction of the guide part 330, When the guide portion 330 is drawn out as shown in FIG. 7 (b), it is formed to be bent in one direction as shown in FIG. 7 (c). According to the insertion portion 310, it is possible to push the lung parentheses less, and there are various advantages in the procedure. Meanwhile, it is preferable that the bending direction of the insertion portion 310 as described above is adjusted to be controlled according to the user's intention.

The main body 320 is formed with an outlet o communicating the flow path p with the outside so that the gas flowing into the flow path p formed inside the insertion portion 310 flows out to the outside, And is extended in one insertion portion 310. The connection port 320a is formed on the outer surface of the main body 320 to guide the connection of the end of the unidirectional valve 340 to be described later.

The guide part 330 is inserted into the insertion part 310 to guide the end of the insertion part 310 into the body h and inserted into the inside of the body h together with the insertion part 310. [ So that the handle is formed at the end thereof, which can be gripped by the user. The guide part 330 is preferably made of a reinforced plastic material so as to improve the insertion force.

The unidirectional valve 340 is provided so as to be inserted into or withdrawn from the connection port 320a formed at the end where the outlet port o is formed so that when positive pressure is applied to the human body h as the user breathes, (h) guiding the gas and liquid inside to the outside while blocking the entrance of the outside gas into the inside of the human body (h) when negative pressure is applied to the human body (h) while breathing.

Therefore, according to the device 300 for removing tension pneumothorax according to the third embodiment of the present invention including the insertion part 310, the main body part 320, the guide part 330 and the one-way valve 340, Which is capable of preventing the damage of the human body h while improving the discharge effect of the pneumothorax.

In addition, the apparatus 300 for removing a pneumothorax in a transtracheal pneumothorax according to the third embodiment of the present invention is simple in structure, easy to manufacture, and low in manufacturing cost, And can be widely used in situations where emergency measures are needed.

The scope of the present invention is not limited to the above-described embodiments, but may be embodied in various forms of embodiments within the scope of the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

100: A device for removing gas for tension pneumothorax according to the first embodiment of the present invention
110:
111:
112:
120:
121: Base portion
122, 122 ': extension part
123:
124: Stopper portion
h: Human body
i1: inlet
i2: auxiliary inlet
o: outlet
p: Euro
v: through hole
200: a gas-removing device for a tension pneumothorax according to a second embodiment of the present invention
210:
211:
212:
220:
221: Base portion
222:
223: Stopper portion
230: One-way valve
t: adhesive means
300: a gas-removing device for a tension pneumothorax according to a second embodiment of the present invention
310:
320:
320a: connection port
330: guide portion
340: One-way valve

Claims (10)

An insertion portion inserted into the human body and having an inlet through which the gas accommodated in the human body flows into the end portion and a channel through which the gas flowing in the end portion flows can be formed inside; And
And a body portion extending from the insertion portion and having an outlet communicating the flow path with the outside so that the gas flowing into the flow path flows out to the outside. The method according to claim 1,
The outlet
And is formed so as to face a predetermined direction so as to prevent foreign matter from entering from the outside. The method of claim 2,
Wherein,
A base portion; an extension portion extending from the base portion to extend outwardly and forming the outlet portion at an end portion; a grip portion protruding from an end of the base portion; And a stopper portion protruding from a portion where the base portion and the insertion portion are connected to each other. The method according to claim 3,
The stopper portion
And a through hole into which the fastening means is inserted so as to be attached to the surface of the human body by fastening means. The method of claim 4,
The stopper portion
Wherein the plurality of through holes are spaced apart from each other at predetermined intervals. The method according to claim 1,
The insertion portion
A body portion extending from the body portion; and an inclined portion extending from the body portion, the inclined portion having an end inclined at an end thereof. The method of claim 6,
The tip formed by inclining the inclined portion,
And the chamfered portion is machined. The method of claim 6,
The inclined portion,
And an auxiliary inlet for communicating the flow path with the inside of the human body. The method according to claim 1,
Wherein the insertion portion and the main body portion are provided with:
Wherein the gasket is made of a metal material or a synthetic resin material. The method according to any one of claims 1 to 9,
Further comprising a unidirectional valve inserted into the inlet port to prevent gas from entering the inlet port from the outside and allow gas contained in the inside of the human body to flow out into the inlet port.
KR1020160135735A 2016-10-19 2016-10-19 Gas removal apparatus for tension pneumothorax KR101864315B1 (en)

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KR1020160135735A KR101864315B1 (en) 2016-10-19 2016-10-19 Gas removal apparatus for tension pneumothorax
PCT/KR2017/011530 WO2018074840A2 (en) 2016-10-19 2017-10-18 Gas removal device for tension pneumothorax

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Application Number Priority Date Filing Date Title
KR1020160135735A KR101864315B1 (en) 2016-10-19 2016-10-19 Gas removal apparatus for tension pneumothorax

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KR101864315B1 KR101864315B1 (en) 2018-06-05

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