KR19990072072A - Intravenous catheter with flexible extender and needle tip protector - Google Patents

Intravenous catheter with flexible extender and needle tip protector Download PDF

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Publication number
KR19990072072A
KR19990072072A KR1019980704378A KR19980704378A KR19990072072A KR 19990072072 A KR19990072072 A KR 19990072072A KR 1019980704378 A KR1019980704378 A KR 1019980704378A KR 19980704378 A KR19980704378 A KR 19980704378A KR 19990072072 A KR19990072072 A KR 19990072072A
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KR
South Korea
Prior art keywords
catheter
flexible
needle tip
extender
tip protector
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Application number
KR1019980704378A
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Korean (ko)
Inventor
친 롱 황
Original Assignee
황,친,롱
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Publication date
Priority claimed from BR7502793U external-priority patent/BR7502793U/en
Priority claimed from BR9601550A external-priority patent/BR9601550A/en
Application filed by 황,친,롱 filed Critical 황,친,롱
Publication of KR19990072072A publication Critical patent/KR19990072072A/en

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Classifications

    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base

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

Abstract

본 발명에 의한 가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르는 유입 니이들(1) 위를 통과하는 주입용 가요성 익스텐더(7)와 함께 정맥 카테테르(2)를 구비하며, 상기 익스텐더(7)는 단순한 협착으로써 불필요한 혈액의 배출 또는 다른 주입을 방지할 수도 있다. 이는 본질적으로 니이들(1)과 가요성 익스텐더(7)를 포함한 다른 구성 요소를 보호하는 견고한 또는 반 가요성의 오목한 핸들(16)로 구성되며, 이러한 핸들 케이싱을 이용함으로써 카테테르 패키지가 불필요하게 되며, 상기 핸들(16)과 결합되고 상기 카테테르(2)를 기밀 밀폐시키는 덮개(17)만을 필요로 한다. 보다 안전하고 위생적인 니이들 팁 보호기(19)가 또한 제공된다.An intravenous catheter having a flexible extender and needle tip protector according to the present invention comprises a venous catheter 2 together with an injectable flexible extender 7 passing over an inlet needle 1, said The extender 7 may also prevent bleeding or other infusion by unnecessary stenosis. It consists essentially of a rigid or semi-flexible concave handle 16 that protects the needle 1 and other components, including the flexible extender 7, and the use of this handle casing makes the catheter package unnecessary. It requires only a cover 17, which is coupled to the handle 16 and hermetically seals the catheter 2. A safer and more hygienic needle tip protector 19 is also provided.

Description

가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르Intravenous catheter with flexible extender and needle tip protector

가요성 익스텐더(extender)와 니이들 팁 보호기를 갖는 정맥용 카테테르(catheter)는 단순한 협착(strangulation)으로써 혈액 배출을 방지할 수 있고, 주입이 완료되거나 또는 덮개가 연결될 때까지 단지 한 손으로 작동가능한 작은 가요성 주입용 튜브를 갖는 것을 특징으로 한다. 따라서, 본 발명은 "단일 출구 혈액 카테테르 장치"에 관한 실용신안의 단점을 극복하면서, 여러 가지 이유로 종래의 카테테르에서와 같이 라텍스체(latex body; 가요성 글로브 곡선) 상의 구멍으로 인해 누설되는 혈액 누출이 없게 하는 것과 환자의 신체에 대한 부착을 아주 용이하게 한다. 더욱이, 본 발명에 의한 카테테르는 라텍스체 상에서 니이들 팁 보호기를 보호하며, 니이들 단부에 결합되어 카테테르 부착 후에 상기 팁으로부터 해제되는 것을 방지한다.An intravenous catheter with a flexible extender and needle tip protector can prevent blood draining by simple strangulation and operate with only one hand until the infusion is complete or the lid is connected It is characterized by having as small flexible infusion tubes as possible. Accordingly, the present invention overcomes the shortcomings of the utility model relating to the "single exit blood catheter device" and, for various reasons, leaks due to holes on a latex body (flexible glove curve), as in conventional catheter. It is very easy to avoid blood leakage and adhere to the patient's body. Moreover, the catheter according to the present invention protects the needle tip protector on the latex body and is bonded to the needle end to prevent it from being released from the tip after catheter attachment.

이하에서 도면과 그 구성 요소를 설명한다.Hereinafter, the drawings and the components thereof will be described.

도1은 가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르의 사용 위치를 도시한 도면이다.1 is a view showing the use position of the intravenous catheter with a flexible extender and needle tip protector.

도2는 정맥 통로 내로의 카테테르 후방 삽입 순간을 도시한 도면으로, 손에 의한 가요성 익스덴더의 협착과 니이들 팁 보호기의 작용을 도시하고 있다.Figure 2 shows the moment of catheter posterior insertion into the venous passage, showing the constriction of the flexible extender by hand and the action of the needle tip protector.

도3은 개구로부터의 카테테르의 분리를 도시하는 도면으로, 상기 보호기는 안전 코드가 완전히 연장될 때까지 카테테르에 연결되어 상기 보호기 및 본 장치의 나머지 부분 사이의 분리를 방지하고, 상기 카테테르를 작동 위치에 위치시킨다.Figure 3 shows the detachment of the catheter from the opening, wherein the protector is connected to the catheter until the safety cord is fully extended to prevent separation between the protector and the rest of the device, and the catheter In the operating position.

도4는 사용중인 반 가요성 핸들을 도시한다.4 shows the semi-flexible handle in use.

도5는 니이들, 카테테르 및 가요성 익스텐더를 보호하는 원통형의 소형 기밀 밀폐 케이싱 내의 장비를 도시한 도면이다. 최종적으로, 구성 요소에 의해 지지되는 지지 슈트는 상기 요소의 배치 도면을 완성시킨다.FIG. 5 shows equipment in a cylindrical, small hermetic sealed casing protecting needles, catheters and flexible extenders. FIG. Finally, the support chute supported by the component completes the layout drawing of the element.

도6은 장치의 사용 위치를 도시한다.6 shows the position of use of the device.

도7은 천공 절개(puncture) 이후, 안내 니이들을 포함하는 원통형 지지 슈트(19)가 재유입부(re-entering; 20)와 돌출부(salience; 21, 22)의 홈을 따라서 이동 및 제한된다.7 shows that after a puncture, the cylindrical support chute 19 including the guide needles is moved and constrained along the grooves of the re-entering 20 and the salience 21, 22.

도8은 상기 카테테르가 고정 및 분리된 후, 원통형 지지 슈트가 상기 니이들을 포함하는 상태에 있는 상기 장치의 기능을 도시하는 도면이다.Fig. 8 shows the function of the device after the catheter has been fixed and detached and the cylindrical support chute is in the state including the needles.

상기 도면들에 도시된 구성 요소들은 다음과 같다.The components shown in the figures are as follows.

(1) 안내 니이들로서, 이는 가요성 익스텐더의 전체 길이를 통과하는 길이를 가지며 다른 단부, 즉 카테테르 팁에 도달한다. 상대적으로 얇은 니이들은 혈액 유동의 보다 양호한 관측을 위해 클레프트(cleft)를 구비할 수도 있다.(1) The guide needle, which has a length that passes through the entire length of the flexible extender and reaches the other end, namely the catheter tip. Relatively thin needles may have clefts for better observation of blood flow.

(2) 정맥 카테테르 배출관(cannula).(2) Intravenous catheter cannula.

(3) 혈액 통로.(3) blood passages.

(4) 견고한 (또는 가요성의) 카테테르 배출관 베이스로서, 이는 주입용 가요성 튜브(7)에 연결되며 내부 누두(funnel)와 이를 둘러싸는 외부 커버를 또한 구비한다.(4) A rigid (or flexible) catheter outlet tube base, which is connected to the flexible tube for injection 7 and also has an inner funnel and an outer cover surrounding it.

(5) 카테테르 배출관 개구(4)용으로 사용되는 장치의 오목한 핸들 내의 융기부(protuberance).(5) Protuberances in the concave handle of the device used for the catheter outlet tube opening (4).

(6) 천공 절개 시에 안정성을 제공하는 결합부(engagement)로서, 이는 상기 장치 본체의 융기부(5)에 연결되어야 한다.(6) Engagement that provides stability at the time of perforation incision, which should be connected to the ridge 5 of the device body.

(7) 주입용 가요성 튜브로서, 이는 카테테르 배출관 베이스(4)에 연결된다.(7) A flexible tube for injection, which is connected to the catheter discharge tube base 4.

(8) 주입용 가요성 튜브의 개구로서, 안내 니이들이 이를 통과하고 보호 클로(claw)에 결합되게 된다.(8) As the opening of the flexible tube for injection, guide needles pass through it and engage a protective claw.

(9) 니이들 보호 클로로서, 이는 팁을 격리시키기 위해 상기 니이들에 대향하는 2개의 굴곡된 압력 블레이드와 주입용 익스텐더 개구(8)의 벽에 대향하는 2개의 굴곡된 플랜지로 구성된다. 정지 코드(13)가 연장될 때, 상기 보호기는 주입용 익스텐더 개구(8)로부터 분리되고 이미 카테테르로부터 해제된 니이들 팁 위로 자동적으로 위치된다.(9) Needle protection claw, which consists of two curved pressure blades facing the needles and two curved flanges facing the wall of the injection extender opening 8 for isolating the tip. When the stop cord 13 is extended, the protector is automatically positioned over the needle tip which is separated from the injection extender opening 8 and already released from the catheter.

(10) 견고한 접촉부(11) 또는 가요성 접촉부(14)와 원통형 핸들(16)의 접촉 영역.(10) The contact area of the rigid contact 11 or flexible contact 14 with the cylindrical handle 16.

(11) 카테테르 홀더로서, 이는 내부에 모두 연결된 니이들, 익스텐더 및 팁 보호기를 둘러쌈으로써 이들 모두를 보호하는 오목한 핸들이다.(11) A catheter holder, which is a concave handle that protects all of them by enclosing needles, extenders and tip protectors all connected therein.

(12) 하부에 필터를 갖는 카테테르 홀더(11) 내의 니이들 베이스.(12) Needle base in catheter holder 11 having a filter at the bottom.

(13) 보호기(9)가 빠지는 것을 방지하기 위해 소정의 강도 및 길이를 갖는 정지 코드 또는 미세한 와이어.(13) A stop cord or fine wire having a predetermined strength and length to prevent the protector 9 from falling out.

(14) 가요성 연결부(4)를 압박하여 얇은 니이들로써 정맥을 천공 절개할 때 아주 큰 감도와 안정성을 제공하는 반 가요성 오목 핸들.(14) Semi-flexible concave handle that provides very high sensitivity and stability when pressing the flexible connection (4) to puncture the vein with a thin needle.

(15) 혈액 흐름을 확인하기 위해 상기 니이들 내에 위치한 균열부(fissure) 또는 구멍.(15) Fissures or holes located in the needle to check blood flow.

(16) 그 내부에 있는 나머지 구성 요소를 보호하는 원통형 핸들.(16) Cylindrical handles protecting the remaining components therein.

(17) 상기 장치를 기밀 밀봉하는 덮개.(17) A cover for hermetically sealing the device.

(18) 하부에 고정되는 카테테르 안내 니이들 베이스.(18) Catheter guide needle base fixed to the lower part.

(19) 반개(semi-opened)되거나 원통형 형태를 갖는 지지 슈트로서, 이는 전방의 반 가요성 측면 림과 후방의 융기부(22)를 구비한다.(19) A support chute having a semi-opened or cylindrical shape, which has a front semi-flexible side rim and a rear ridge 22.

(20) 안내부(또는 재유입부)로서, 이는 핸들(16)의 내부에 위치한다.(20) As a guide (or reflow), it is located inside the handle 16.

(21) 핸들의 내부 돌출부(salience)로서, 이는 원통형 지지 슈트(19)의 후방이 상기 핸들(16)의 내부를 향해 이동하는 것을 방지한다.(21) As an internal salience of the handle, this prevents the rear of the cylindrical support chute 19 from moving towards the interior of the handle 16.

(22) 원통형 지지 슈트(19)의 후방부에 위치한 돌출부로서, 이는 안내부(20)에 끼워져서 보호 핸들(16) 내의 이동을 제한한다.(22) A protrusion located at the rear of the cylindrical support chute 19, which fits into the guide 20 to limit movement in the protective handle 16.

Claims (5)

3개의 상이한 형태의 핸들(11, 14, 16)을 갖는 가변 구조의 카테테르 배출관 베이스(4)에 후속하여 위치한 주입용 가요성 익스텐더(7)와, 니이들 팁(1)을 포함하기 위해 원통형 지지 슈트(19)를 오프셋시키기 위한 삽통식 기구를 구비하는 것을 특징으로 하는 가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르.Cylindrical to include a needle tip 1 and an injectable flexible extender 7 positioned subsequent to the catheter outlet tube base 4 of variable structure having three different shaped handles 11, 14, 16. An intravenous catheter with a flexible extender and needle tip protector, characterized by having an insertable mechanism for offsetting the support chute 19. 제1항에 있어서, 도1 내지 도3에 도시된 바와 같이 가요성 익스텐더(7)를 둘러싸는 오목한 핸들(11)과 카테테르 배출관 베이스(4) 내의 공동(6)과 결합하도록 고정된 융기부(5)를 갖는 것을 특징으로 하는 가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르.The ridge according to claim 1, which is secured to engage the cavity 6 in the catheter outlet tube base 4 and the concave handle 11 surrounding the flexible extender 7 as shown in FIGS. An intravenous catheter having a flexible extender and needle tip protector, characterized by having (5). 제1항 및 제2항에 있어서, 정맥에 도달한 때 신호를 발생시켜 (도4에 도시된 바와 같이) 카테테르의 설치시 양호한 감도를 제공하기 위해 [중간 부분에 구멍(15)을 갖는] 상대적으로 얇은 니이들을 보호하는 오목한 반 가요성 핸들(14)을 갖는 것을 특징으로 하는 가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르.A method according to claim 1 or 2, in which a signal is generated upon reaching the vein (as shown in FIG. 4) to provide good sensitivity in the installation of the catheter (with holes 15 in the middle portion). An intravenous catheter having a flexible extender and needle tip protector, characterized by having a concave semi-flexible handle 14 protecting relatively thin needles. 제1항 내지 제3항에 있어서, (도6에 도시된 바와 같이) 정맥(3)을 천공 절개 하는 위치로 안내 니이들(1)에 의해 방향이 결정되는 카테테르 배출관(2) 및 가요성 익스텐더(7)와 지지 슈트(19)를 보유하는 원통형 핸들(16)을 구비하는 것을 특징으로 하는 가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르.4. The catheter discharge tube 2 and flexible according to claim 1, wherein the catheter discharge tube 2 is oriented by the guide needle 1 to a position to puncture the vein 3 (as shown in FIG. 6). An intravenous catheter having a flexible extender and needle tip protector, comprising a cylindrical handle 16 holding an extender 7 and a support chute 19. 제1항 내지 제4항에 있어서, (도7 및 도8에 도시된 바와 같이) 카테테르 배출관(2)의 정맥 내로의 주입 이동에 의해 유입되는 니이들 팁(1)을 포함하도록 지지 슈트(19)를 원통형 핸들(16)의 내부를 활주시킴으로써 결합 진행 방향(coupled advancement)으로부터 오프셋시키기 위한 삽통식 기구를 구비하고, 안내부 및 내부 돌출부(20, 21, 22)는 한 단부에서 지지 슈트(19)를 고정시켜 니이들 팁(1)의 커버가 후퇴하는 것을 방지하는 것을 특징으로 하는 가요성 익스텐더와 니이들 팁 보호기를 갖는 정맥용 카테테르.The support chute (1) according to any one of the preceding claims, comprising a needle tip (1) introduced by the injection movement of the catheter discharge tube (2) into the vein (as shown in Figures 7 and 8). 19 has an insertion mechanism for offsetting from the coupled advancement by sliding the interior of the cylindrical handle 16, the guide and the inner projections 20, 21, 22 at one end of the support chute ( 19) An intravenous catheter having a flexible extender and needle tip protector, characterized in that the cover of the needle tip 1 is retracted to fix it.
KR1019980704378A 1995-12-11 1996-09-25 Intravenous catheter with flexible extender and needle tip protector KR19990072072A (en)

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BR7502793U BR7502793U (en) 1995-12-11 1995-12-11 Intravenous catheter with flexible extender and needle tip protector
BRMU7502793 1995-12-11
BRPI9601550 1996-04-15
BR9601550A BR9601550A (en) 1996-04-15 1996-04-15 Intravenous catheter with flexible extender and needle tip protector
PCT/BR1996/000042 WO1997021458A1 (en) 1995-12-11 1996-09-25 Intravenous catheter with flexible extender and protector against needle tip

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AU7122796A (en) 1997-07-03

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