KR20100011044A - An insulin pump which the precision of the operation is reserved - Google Patents

An insulin pump which the precision of the operation is reserved Download PDF

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Publication number
KR20100011044A
KR20100011044A KR1020080072092A KR20080072092A KR20100011044A KR 20100011044 A KR20100011044 A KR 20100011044A KR 1020080072092 A KR1020080072092 A KR 1020080072092A KR 20080072092 A KR20080072092 A KR 20080072092A KR 20100011044 A KR20100011044 A KR 20100011044A
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KR
South Korea
Prior art keywords
insulin
insert hole
insulin pump
push rod
shaft
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KR1020080072092A
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Korean (ko)
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김정현
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김정현
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Priority to KR1020080072092A priority Critical patent/KR20100011044A/en
Publication of KR20100011044A publication Critical patent/KR20100011044A/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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M2005/14506—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons mechanically driven, e.g. spring or clockwork

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

PURPOSE: An insulin pump is provided to secure accurate operation by minimizing the twist generation of a guide portion influenced by the torque of a shaft created inside of a insert hole regardless of frequent using for long hours. CONSTITUTION: An insulin pump includes a push rod and the push rod comprises dual structure in which a guide portion(41) is integrated with an insert hole(44) of the metal material. The guide portion comprises a guide wing(42) and fitting portion(43) and injects built-in insulin into the patient while contacting with the insulin syringe inserted in the guiding hole of the receiving part. The insert hole of metal material has a combining hole(45) in which the cutting edge of shaft is inserted formed inside the insert hole. A meshed surface(46) maximizing the contact of the guide portion is formed on the exterior of the insert hole.

Description

오랜시간 동안 잦은 사용이 이루어질지라도 작동의 정확성이 확보된 인슐린 펌프{An Insulin Pump which the precision of the operation is reserved}Insulin Pump which the precision of the operation is reserved}

본 발명은 정해진 시간에 자동으로 인슐린을 공급하여 주는 인슐린펌프에 관한 것으로, 만성지병인 당뇨환자를 위하여 오랜시간동안 잦은 사용이 이루어질지라도 작동의 정확성이 확보된 인슐린펌프에 관한 것이다.The present invention relates to an insulin pump for automatically supplying insulin at a predetermined time, and to an insulin pump having an accurate operation even if frequent use for a long time for a diabetic patient with chronic disease.

일반적으로 인슐린펌프는 오랜시간 동안의 치료를 요하는 당뇨환자를 위한 의료기기로서, 소량의 인슐린을 정해진 시간에 정확하게 공급하여 주기 위하여 타이머와 인슐린 주사기 그리고 상기 인슐린주사기를 동작시켜 주는 구동장치로 이루어지게 된다.In general, the insulin pump is a medical device for diabetic patients who need a long time treatment, and is composed of a timer, an insulin syringe, and a driving device that operates the insulin syringe to supply a small amount of insulin accurately at a predetermined time. do.

그리고 이때 상기 구동장치는 모터와 회전기어의 조합으로 이루어져 스크류방식으로 작동하는 샤프트에 의해 푸쉬로드를 상하방향으로 이동시켜 주면서 상기 푸쉬로드와 연결된 인슐린주사기를 동작시켜 주게 된다.In this case, the driving device is a combination of a motor and a rotary gear to operate the insulin syringe connected to the push rod while moving the push rod up and down by a shaft operated by a screw method.

그러나 상기와 같은 인슐림펌프는 당뇨환자의 몸에 부착하고 다녀야 하기 때문에 전체적으로 가벼운 재질로 만들어질 수 밖에 없고, 특히 푸쉬로드는 플라스틱 재질로 사출성형되어지게 되면서 후방에 위치한 샤프트에 의해 회전하는 힘이 직접 상기 푸쉬로드에 가해지게 된다.However, the insulin pump as described above has to be attached to the body of the diabetic patient and must be made of a light material as a whole. In particular, the push rod is injection molded of plastic material, and the force rotated by the rear shaft is It is applied directly to the push rod.

따라서 만성지병인 당뇨환자를 위해 오랜시간 동안 잦은 사용이 이루어지는 인슐린펌프는, 플라스틱으로 성형된 푸쉬로드가 장시간 동안 샤프트의 회전하는 힘에 노출되어 지면서 비틀림이 발생하게 되고, 이로 인해 푸쉬로드는 당뇨환자가 필요로하는 소량의 인슐린에도 못미치는 미량의 인슐린만을 환자에게 공급하여 위험을 초래하게 되는 것이다.Therefore, the insulin pump, which is frequently used for a long period of time for diabetic patients with chronic disease, causes twisting when the plastic rod-shaped rod rod is exposed to the rotating force of the shaft for a long time, and thus the push rod is a diabetic patient. Only a small amount of insulin that is needed to feed the patient only a small amount of insulin will cause a risk.

따라서 본 발명은 샤프트의 회전하는 힘이 직접 푸쉬로드에 가해지지 않토록 하여 상기 푸쉬로드의 비틀림을 방지하고 작동의 정확성을 확보함으로써, 상기와 같은 문제점을 해소하고자 하는 것이다.Therefore, the present invention is intended to solve the above problems by preventing the rotational force of the shaft directly applied to the push rod to prevent twisting of the push rod and to ensure the accuracy of the operation.

이를 위해 본 발명은 샤프트와 푸쉬로드 사이에 회전하는 힘을 완화시켜 줄 수 있는 인서트 홀을 삽입하고 이를 일체화하여 이중구조로 이루어지도록 함으로써, 상기 인서트 홀 안쪽에서 이루어지는 샤프트의 회전력이 직접 외부의 푸쉬로드에 가해지지 않토록 하여 오랜 시간 동안 잦은 사용이 이루어질지라도 작동의 정확성을 확보하고자 하는 것이다.To this end, the present invention is to insert the insert hole that can alleviate the rotational force between the shaft and the push rod and to integrate it to form a dual structure, the rotational force of the shaft made inside the insert hole is directly outside the push rod It is intended to ensure the correctness of operation even if it is used frequently for a long time.

따라서 본 발명은 상기와 같이 이중구조로 이루어진 푸쉬로드에 의해 샤프트의 회전하는 힘에 의해 발생하는 비틀림이 완화되어 오랜 시간동안 잦은 사용이 이루어질지라도 정확한 동작이 이루어진다는 특징을 가지게 되는 것이다.Therefore, the present invention is characterized by the fact that the twisting caused by the rotating force of the shaft is alleviated by the push rod consisting of a double structure as described above, even if frequent use is made for a long time.

이하, 첨부된 도면을 참조하여 본 발명의 실시 예에 따른 인슐린펌프에 대하여 자세히 설명하기로 한다.Hereinafter, an insulin pump according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 도 1은 본 발명의 실시 예에 따른 인슐린펌프의 사시도이고, 도 2는 도 1에서 인슐린 주사기와 푸쉬로드의 분해된 모습을 보여주는 분해 사시도이며, 도 3은 상기 도 2의 분해 사시도이다.First, Figure 1 is a perspective view of the insulin pump according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing an exploded view of the insulin syringe and the push rod in Figure 1, Figure 3 is an exploded perspective view of the FIG.

도시된 바와 같이. 본 발명의 실시 예에 따른 인슐린펌프는 사방이 막힌 상태에서 상부가 개구되어진 형태의 본체(10) 내부에 주사기수용부(50)가 일체로 이루어져 있고, 덮개(20)의 요입부(21)에 장착되어 버튼(23)과 덮개판(22)으로 고정되어진 상태에서 덮개(20)와 본체(10)가 맞물림려져 나사조임되어 있다.As shown. Insulin pump according to an embodiment of the present invention has a syringe receiving portion 50 is integrally formed inside the main body 10 of the top is opened in a blocked state on all sides, the inlet portion 21 of the cover 20 The cover 20 and the main body 10 are engaged and screwed in a state where the cover 20 is fixed to the button 23 and the cover plate 22.

그리고 이러한 본체(10) 내부에는 모터(31)에 의하여 구동되어지는 기어박스(30)가 샤프트(33)의 하단 부위와 맞물려 있어 상기 샤프트(33)를 회전시켜 줄 수 있도록 되어 있고, 더불어 상기 샤프트의 상부에는 주사기수용부(50)로 출입되어지는 푸쉬로드(40)의 인서트 홀(44)에 끼워져 있게 된다.In addition, a gearbox 30 driven by the motor 31 is engaged with the lower portion of the shaft 33 in the main body 10 so as to rotate the shaft 33, and the shaft In the upper portion of the push rod 40 is inserted into the insertion hole 44 of the push rod 40 which enters and exits.

여기서 샤프트(33)는 기어박스(30)에 내장되어진 기어와 일체로 움직임에 따라 구동력을 갖게 되고, 특히 그 외경에는 나사산과 나사홈이 형성되어 있어, 이 첨단이 상기 푸쉬로드의 인서트 홀(44)에 형성된 결합홀(45)에 나사방식으로 결합되어 주사기수용부(50)에 끼워진 푸쉬로드(40)를 상하방향으로 안내하여 주게 되는 것이고, 상기 푸쉬로드의 첨단은 주사기수용부에 수용되어져 있는 인슐린 주사기와 접촉하여 작동시켜 주게 되는 것이다.Here, the shaft 33 has a driving force according to the movement integrally with the gear embedded in the gearbox 30, in particular, the outer diameter is formed with a thread and a screw groove, the tip is the insert hole 44 of the push rod It is coupled to the coupling hole 45 formed in the) to guide the push rod 40 fitted in the syringe receiving portion 50 in the vertical direction, the tip of the push rod is accommodated in the syringe receiving portion It works by contacting the insulin syringe.

이때, 상기 푸쉬로드(40)를 살펴보면, 가이드윙(42)과 끼움부(43)가 형성되어 있고 주사기수용부(50)의 안내홀(51)에 끼워져 직접 인슐린주사기와 접촉하면서 내장된 인슐린을 환자의 몸에 주입토록 하는 안내부(41)와, 그 내부에 상기 안내부와 일체화되어 샤프트의 첨단이 결합홀(45)에 끼워져 있는 인서트 홀(44), 그리고 상기 인서트 홀과 안내부를 일체화하면서 개방된 상단의 끼움부(43)에 끼워지는 결 합팁(47)으로 이루어지게 된다.At this time, looking at the push rod 40, the guide wing 42 and the fitting portion 43 is formed and inserted into the guide hole 51 of the syringe accommodating portion 50 while directly in contact with the insulin syringe built in insulin The guide part 41 to be injected into the patient's body, the insert hole 44 in which the tip of the shaft is integrated into the coupling hole 45 and is integrated with the guide part therein, and the insert hole and the guide part are integrated. It is made of a bonding tip 47 that is fitted to the fitting portion 43 of the open top.

이때, 인서트 홀(44)은 정확한 동작을 위하여 외력에 의한 변형이 최소화된 금속으로 이루어지고, 그 외면에는 메취면(46)이 형성되어 있어, 최대한 안내부(41)와 인서트 홀(44)의 접촉을 최대화여 마찰력과 접촉력을 증가시킴으로써, 상기 안내부와 인서트 홀의 분리를 방지토록 되어 있다.At this time, the insert hole 44 is made of a metal minimized deformation by external force for accurate operation, the outer surface is formed with a chamfer 46, the maximum of the guide portion 41 and the insert hole 44 By maximizing the contact to increase the friction and the contact force, the separation between the guide portion and the insert hole is prevented.

또한, 상기 결합팁(47)은 안내부의 개방된 상단에 인서트 홀의 결합 홀(45)과 이어져 있는 끼움부(43)에 끼워져 맞물리도록 되어 있으며, 특히 끼움부와 맞물리는 접촉부(47b)의 일부분 절개하여 절개홈(47c)을 형성함으로써, 끼움부(43)에 상기 결합팁(47)의 끼워짐이 용이하도록 되어 있다. In addition, the coupling tip 47 is fitted to engage with the fitting portion 43 which is connected to the coupling hole 45 of the insert hole on the open upper end of the guide portion, in particular a partial incision of the contact portion 47b engaging with the fitting portion By forming the cutout groove 47c, the fitting tip 47 is easily fitted into the fitting portion 43.

마찬가지로 끼움부 역시 안내부의 상단에서 가이드 윙까지 절개되어진 한 쌍의 절개홈을 형성하여 결합팁의 끼워짐이 용이하도록 되어 있다.Similarly, the fitting portion also forms a pair of incision grooves that are cut from the top of the guide to the guide wing to facilitate the fitting of the coupling tip.

따라서 상기 푸쉬로드(40)는 개방된 상단을 막고 그 내부를 이중구조로 형성함에 따라 샤프트의 회전력이 직접 푸쉬로드의 안내부(41)에 미치는 영향을 최소화하여 플라스틱으로 제조된 안내부(41)의 비틀림 발생을 최소화하도록 되었고, 더불어 인슐린주사기가 동작하게 되면서 이에 대응하는 반발력이 내부의 인서트 홀(44)에 미치는 영향을 최소화하였기 때문에 샤프트(33)의 정확한 동작이 가능하게 되는 것이다.Therefore, the push rod 40 blocks the open top and forms the inside thereof in a dual structure, thereby minimizing the influence of the rotational force of the shaft directly on the guide portion 41 of the push rod, and the guide portion 41 made of plastic. To minimize the occurrence of the torsion, and as the insulin syringe operates to minimize the effect of the corresponding repulsive force on the insert hole 44 is to enable the correct operation of the shaft 33.

따라서 장기간의 치료를 요하는 당뇨환자들이 오랜 시간 동안 자주 사용하게 될지라도, 비틀림 방지와 샤프트의 정확한 동작이 가능함으로, 작동의 정확성이 확보되어 안심하고 사용할 수 있게 되는 것이다.Therefore, even if the diabetic patients who require long-term treatment frequently used for a long time, the torsion prevention and the correct operation of the shaft, the accuracy of the operation is secured and can be used with confidence.

도 1은 본 발명의 실시 예에 따른 인슐린펌프의 사시도.1 is a perspective view of an insulin pump according to an embodiment of the present invention.

도 2는 본 발명의 실시 예에 따른 인슐린펌프의 사시도.Figure 2 is a perspective view of an insulin pump according to an embodiment of the present invention.

도 3은 본 발명의 실시 예에 따른 인슐린펌프의 분해사시도.Figure 3 is an exploded perspective view of the insulin pump according to an embodiment of the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10:본체 20:덮개10: body 20: cover

21:요입부 22:덮개판21: recessed part 22: cover plate

23:버튼 30:기어박스23: button 30: gearbox

31:모터 33:샤프트31: motor 33: shaft

40:푸쉬로드 41:안내부40: push rod 41: guide

42:가이드윙 43:끼움부42: A guide wing 43: A fitting part

44:인서트 홀 45:결합홀44: insert hole 45: coupling hole

46:메쉬면 47:결합팁46: mesh surface 47: bonding tip

47a:돌출면 47b:접촉부47a: protrusion surface 47b: contact portion

47c:절개홈 50:주사기수용부47c: Incision groove 50: Syringe accommodating part

51:안내홀51: Information Hall

Claims (3)

본체 내부에 수용되어 있는 모터와 기어박스의 동작에 의해 샤프트가 회전하면서 상기 샤프트의 첨단에 끼워진 푸쉬로드가 주사기수용부의 안내홀을 따라 상하방향으로 움직이면서 주사기 수용부에 수용되어 있는 인슐린주사기를 동작시켜 주는 인슐린펌프에 있어서,The shaft is rotated by the operation of the motor and the gearbox accommodated in the main body, and the push rod fitted to the tip of the shaft moves up and down along the guide hole of the syringe accommodating portion to operate the insulin syringe accommodated in the syringe accommodating portion. In the insulin pump, 상기 인슐린펌프의 푸쉬로드는 가이드윙과 끼움부가 형성되어 있는 안내부와 그 내부에 결합홀이 형성되어 있는 금속재질의 인서트홀이 일체화되어 이중구조로 이루어짐으로써, 상기 인서트 홀 안쪽에서 발생되는 샤프트의 회전력에 의한 영향으로 안내부의 비틀림 발생이 최소화되는 것을 특징으로 하는 오랜 시간 동안 잦은 사용이 이루어질지라도 작동의 정확성이 확보된 인슐린 펌프.The push rod of the insulin pump has a guide structure in which a guide wing and a fitting portion are formed, and a metal insert hole in which a coupling hole is formed therein is integrally formed in a dual structure, so that the shaft is formed inside the insert hole. Insulin pump, which ensures the accuracy of operation even after frequent use for a long time, characterized by minimizing the occurrence of torsion by the influence of rotational force. 제1항에 있어서,The method of claim 1, 상기 인서트홀의 외면에는 안내부의 접촉을 최대화하는 메쉬면이 형성되어 있는 것을 특징으로 하는 오랜 시간 동안 잦은 사용이 이루어질지라도 작동의 정확성이 확보된 인슐린 펌프.The outer surface of the insert hole is characterized in that the mesh surface is formed to maximize the contact portion of the insulin pump even if frequent use is made for a long time, the operation accuracy is secured. 제1항에 있어서, The method of claim 1, 상기 안내부의 끼움부에는 상방으로 돌출면이 형성되어 있고, 하방으로는 끼움부에 끼워져 맞물리는 접촉부가 형성되어 있으며, 동시에 상기 접촉부의 일부분 을 절개하여 이루어진 절개홈을 가진 결합팁이 끼움부에 끼워져 맞물려 있는 것을 특징으로 하는 오랜 시간 동안 잦은 사용이 이루어질지라도 작동의 정확성이 확보된 인슐린 펌프.The fitting portion of the guide portion is formed with a protruding surface upwards, the lower portion is formed with a contact portion to be engaged with the fitting portion, and at the same time a coupling tip having a cutout formed by cutting a portion of the contact portion is inserted into the fitting portion Insulin pumps that ensure accuracy in operation even after frequent use for long periods of time characterized by interlocking.
KR1020080072092A 2008-07-24 2008-07-24 An insulin pump which the precision of the operation is reserved KR20100011044A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108159530A (en) * 2017-12-28 2018-06-15 无锡顶点医疗器械有限公司 A kind of drive rod for insulin pump and motor integration assembling structure
KR102462558B1 (en) 2022-03-29 2022-11-03 (주) 지투이 Insulin infusion set for insulin pump
KR102462559B1 (en) 2022-03-29 2022-11-04 (주) 지투이 Insulin infusion set for insulin pump
KR20230140087A (en) 2022-03-29 2023-10-06 주식회사 지투이 Packaging container for insulin infusion set

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108159530A (en) * 2017-12-28 2018-06-15 无锡顶点医疗器械有限公司 A kind of drive rod for insulin pump and motor integration assembling structure
KR102462558B1 (en) 2022-03-29 2022-11-03 (주) 지투이 Insulin infusion set for insulin pump
KR102462559B1 (en) 2022-03-29 2022-11-04 (주) 지투이 Insulin infusion set for insulin pump
KR20230140087A (en) 2022-03-29 2023-10-06 주식회사 지투이 Packaging container for insulin infusion set

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