CN103961769B - Disposable self-closing safe transfusion system - Google Patents

Disposable self-closing safe transfusion system Download PDF

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Publication number
CN103961769B
CN103961769B CN201310029174.6A CN201310029174A CN103961769B CN 103961769 B CN103961769 B CN 103961769B CN 201310029174 A CN201310029174 A CN 201310029174A CN 103961769 B CN103961769 B CN 103961769B
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China
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self
airtight
drain
transfusion
closing
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Expired - Fee Related
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CN201310029174.6A
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Chinese (zh)
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CN103961769A (en
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黄水莲
郭称明
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Individual
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Individual
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Abstract

A kind of disposable self-closing safe transfusion system, belong to medical field, comprise needle for inserting bottle, drip cylinder, infusion tube, transfusion needle, chemical feed pipe and breather, outside infusion tube, being wherein equipped with the flow regulator for controlling fluid flow, a self-closing assembly of safety being at least set in a cylinder and/or between infusion tube and a cylinder.The self-closing assembly energy automatic airtight infusion pipeline of this safety at the end of transfusion nearly, prevent air from entering in patient body, and the pressure do not reduced in tube for transfusion, the blood reflux in artery and vein can not be made to flow in tube for transfusion and/or infusion bottle, really reach the object of infusion safety, its structure is simple, easy and simple to handle simultaneously.

Description

Disposable self-closing safe transfusion system
Technical field
The present invention relates in medical field and carry out infusion set that is quiet, arterial infusion to patient, espespecially a kind of disposable safe transfusion system of energy self-closed infusion pipeline.
Background technology
At present, each medical institutions all use disposable transfusion device to during patient infusion, so not only facilitate but also can effectively prevent disease mutually to infect.But this disposable transfusion device has its weak point, in medicinal liquid conveying by can not self-closed infusion pipeline and make the pressure of tube for transfusion be less than endovascular pressure time complete, cause blood samples of patients to be poured in tube for transfusion and cause blood coagulation, if now medical worker does not slightly note, also may large quantity of air be inputted in patient body, cause sufferer thrombosis or air embolism, threat to life.
For the deficiency of above-mentioned transfusion device, also some solution at present.Such as China Patent No.: " disposable safe transfusion system " disclosed in 200580030194.9, it increases a release mechanism on general infusion set, wherein this release mechanism comprises a housing and is positioned at a buoyancy aid of housing, a seal membrane and a concave shaped portion is provided with in the below of buoyancy aid, seal membrane and closely sealed of the one-body molded common formation of concave shaped portion, buoyancy aid is elevated along with the increase and decrease of housing inner liquid medicine, thus realizes the sealing in housing medicine liquid outlet portion, stops air to enter in tube for transfusion.
Although above-mentioned invention can realize the automatic airtight of infusion pipeline, but when infusing beginning, because the floating of buoyancy aid hinders the dirty of medicinal liquid, the pressure in the tube for transfusion of below buoyancy aid is caused greatly to reduce, simultaneously its transfusion close to an end and closed transfusion pipeline time, the amount of liquid medicine remained in tube for transfusion is little, also the pressure in tube for transfusion is caused greatly to reduce, so when starting to the patient fluid infusion of tremulous pulse or the high vein of vascular pressure and at the end of general patient fluid infusion, endovascular blood often reflux enters in tube for transfusion, even reflux enters in medicine bottle, cause tube for transfusion or medicine bottle intravascular coagulation, the life of patient may be jeopardized.Its structure is more complicated simultaneously, and production cost is also higher.
Summary of the invention
The object of the invention is: the invention provides a kind of disposable self-closing safe transfusion system, energy automatic airtight infusion pipeline at the end of transfusion nearly, do not reduce the pressure in tube for transfusion simultaneously, the blood reflux in artery and vein can not be made to flow in tube for transfusion and/or infusion bottle, really reach the object of infusion safety.
Technical scheme provided by the present invention is: a kind of disposable self-closing safe transfusion system, comprise needle for inserting bottle, drip cylinder, infusion tube, transfusion needle, chemical feed pipe and breather, outside infusion tube, be wherein equipped with the flow regulator for controlling fluid flow, in a cylinder and/or between infusion tube and a cylinder, a self-closing assembly of safety is at least set, the self-closing assembly of described safety comprises appearance liquid, drain body and airtight film body, it is characterized in that, described drain body has the passage for liquid medicine flow, the top of this drain body is airtight, the side of this drain body at least arranges an opening, described airtight film body is installed with at drain external, be provided with a funnel component above this airtight film body and connect as one with described appearance liquid, described appearance liquid at least arranges a medicine liquid outlet portion, described drain body is connected with infusion tube by this export department.Wherein said airtight film body is arranged to described drain body unidirectional valve airtight, airtight film body is opened with the gravity of medicinal liquid self, described airtight film body is arranged to all openings of described drain side side airtight, make airtight film body transfusion at the end of can automatic airtight infusion pipeline.Described airtight film body and described drain body connect as one, and medicinal liquid can only be flowed into infusion tube from the opening of drain side side.Described airtight film body is at least made up of elastomeric material at the opening part of airtight drain side side.Described drain body and described appearance liquid connect as one, and drain body can be fixed on and hold on liquid.Described appearance liquid and described cylinder split of dripping arrange and connect as one or one-body molded setting, medicinal liquid can be held in liquid from dripping cylinder to flow into, thus open airtight film body.
The invention has the beneficial effects as follows: a kind of disposable self-closing safe transfusion system, energy automatic airtight infusion pipeline at the end of transfusion nearly, prevent air from entering in patient body, and no matter start in transfusion, or the pressure do not reduced at the end of transfusion is nearly in tube for transfusion, the blood reflux in artery and vein can not be made to flow in tube for transfusion and/or infusion bottle, and its structure is simple, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the disposable self-closing safe transfusion system of the present invention;
Fig. 2 is the structural representation of the self-closing assembly of safety of the present invention's disposable self-closing safe transfusion system;
Fig. 3 is the structural representation of the airtight film body of the present invention's disposable self-closing safe transfusion system;
Fig. 4 is the structural representation of the drain body of the disposable self-closing safe transfusion system of the present invention;
Fig. 5 is the structural representation of the appearance liquid of the disposable self-closing safe transfusion system of the present invention;
Fig. 6 is the structural representation that the gravity of the present invention's disposable self-closing safe transfusion system medicinal liquid self opens airtight film body;
Fig. 7 is the structural representation that the self-closing assembly of safety of the present invention's disposable self-closing safe transfusion system is arranged with a cylinder split;
Fig. 8 is that airtight film body in the self-closing assembly of safety of the present invention's disposable self-closing safe transfusion system is only at the structural representation that the airtight place of drain side side opening is made up of elastic material;
Wherein, 1 be needle for inserting bottle, 2 for infusion tube, 3 for drip a cylinder, 4 for safety self-closing assembly, 5 for flow regulator, 6 for transfusion needle, 7 for chemical feed pipe, 8 for breather, 41 for airtight film body, 42 for drain body, 43 for hold liquid.
Detailed description of the invention
In order to more clearly describe the present invention, below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
Embodiment 1
As Fig. 1 to Fig. 5, the disposable self-closing safe transfusion system of the present invention, comprise the needle for inserting bottle 1 of sequentially through connection, infusion tube 2, drip cylinder 3, transfusion needle 6, wherein be connected with breather 8 in the below of needle for inserting bottle 1, chemical feed pipe 7 is connected with above a cylinder 3, the flow regulator 5 for controlling fluid flow is equipped with outside infusion tube, at least be provided with the self-closing assembly 4 of a safety between cylinder 3 and infusion tube 2 dripping in cylinder 3 and/or drip, the self-closing assembly of this safety 4 comprises airtight film body 41, drain body 42 and appearance liquid 43.Described appearance liquid 43 is parts of a receiving medical liquids, can have different shapes, be not limited to cylindrical, can receiving medical liquids as long as ensure; Described appearance liquid 43 at least arranges a medicine liquid outlet portion 431, and in the present embodiment, medicine liquid outlet portion 431 is arranged on the bottom holding liquid 43.Described drain body 42 is the parts that can supply liquid medicine flow, and it also can be different shapes, as long as ensure that it has the passage for liquid medicine flow, is set to cylinder tube shape in the present embodiment; The top 422 of described drain body 42 is airtight, and its side at least arranges an opening 421, makes medicinal liquid can only flow to infusion tube 2 from the opening 421 of its side.Described airtight film body 41 is soft and have elastic material and make by matter, makes it have elastical retraction function, the top of described airtight film body 41 is provided with funnel component 411, and this funnel component 411 connects as one with appearance liquid 43, and its effect enters in airtight film body 41 by the whole water conservancy diversion of medicinal liquid held in liquid 43, the below 412 of described airtight film body 41 is consistent with the shape of drain body 42 and be installed with in the outside of drain body 42, described airtight film body 41 is arranged to described drain body 42 unidirectional valve airtight, namely under naturalness the elastical retraction of airtight film body 41 by all airtight for the opening 421 of drain body 42 side, when there being enough medicinal liquids in appearance liquid 43, airtight film body 41 squeezes by the gravity of medicinal liquid self, expose the opening 421 of drain body 42 side, medicinal liquid just can flow in infusion tube 2 by liquid 43 calmly, when there is no enough medicinal liquids in appearance liquid 43, airtight film body 41 just can not squeeze by the gravity of medicinal liquid self, the elastical retraction of airtight film body 41 is by all airtight for the opening 421 of drain body 42 side, make airtight film body 41 can automatic airtight infusion pipeline.The below 412 of described airtight film body 41 and the lower end 423 of drain body 42 position except flap valve all compact siro spinning technology is integrated, and medicinal liquid can only be flowed into infusion tube from the opening 421 of drain body 42 side.The lower end 423 of described drain body 42 connects as one with the medicine liquid outlet portion 431 of described appearance liquid 43, drain body 42 can be fixed on and hold on liquid 43.Described drain body 42 is connected as one with infusion tube 2 by medicine liquid outlet portion 431, and medicinal liquid can be flowed in infusion tube 2.Described appearance liquid 43 is arranged for split with a cylinder 3, also can one-body moldedly arrange, and namely namely hold liquid 43 is drip a cylinder 3, and a cylinder 3 is also hold liquid 43.As shown in Figure 1, in the present embodiment, appearance liquid 43 is formed in one with a cylinder 3 and arranges.
As shown in Figure 6, when using the disposable self-closing safe transfusion system of the present invention, first needle for inserting bottle 1 is inserted in infusion bottle or transfusion bag, medicinal liquid is imported in the appearance liquid 43 of the self-closing assembly 4 of safety, after making the medicinal liquid gravity of self open airtight film body 41, flow into infusion tube from the opening 421 of drain body 42 side and enter in patient vessel.When the medicinal liquid nearly terminated in medicine bottle or medicated bag of infusing no longer drips, medicinal liquid in the appearance liquid 43 of the self-closing assembly 4 of safety will reduce gradually, until when the gravity deficiency of medicinal liquid self is to open airtight film body 41, the elastical retraction of airtight film body 41 self, add the vacuum suction in infusion tube, airtight film body 41, by the opening 421 of airtight drain body 42 side again, reaches the object of automatic airtight infusion pipeline.Due at the end of transfusion, dripping the pressure that also can maintain in infusion tube in the large medicine amount liquid deposited in cylinder, the pressure in infusion tube can not be made to be less than the pressure in patient vessel and to cause blood reflux to jeopardize the situation generation of patient vitals.
In sum, the disposable self-closing safe transfusion system of the present invention can realize the object of safe infusion effectively.
Embodiment 2
The present embodiment is substantially identical with the structure of above-described embodiment, and its difference part is only appearance liquid in the present embodiment 43 and drips cylinder 3 for split and arrange, and its identical structure no longer describes in detail.As shown in Figure 7, after the appearance liquid 43 of the self-closing assembly 4 of described safety and cylinder 3 split are arranged, can connect with infusion tube 2 therebetween.Use the present embodiment effectively can realize the object of safe infusion equally.
Embodiment 3
The present embodiment is substantially identical with the structure of above-described embodiment, it is different that its difference part is only that the material of airtight film body 41 different parts in the present embodiment is formed, but be at least made up of elastomeric material at the opening part of airtight drain side side, its identical structure no longer describes in detail.As shown in Figure 8, the airtight film body 41 of the self-closing assembly of described safety 4 can be arranged to only be made up of elastic material at the airtight place of the opening 421 of drain body 42 side, and other positions can be made up of hard material or directly and drain body by integral forming arrange, but ensure that the medicinal liquid held in liquid 43 can open airtight film body 41 with the gravity of self, medicinal liquid can be flowed in infusion tube 2 from the opening 421 of drain side side.Use the present embodiment effectively can realize the object of safe infusion equally.
The foregoing is only specific embodiments of the invention, can not limit practical range of the present invention with this, any amendment that all cardinal principles are made according to claims of the present invention and change, all belong to the scope of protection of the invention.

Claims (5)

1. a disposable self-closing safe transfusion system, comprise needle for inserting bottle, drip cylinder, infusion tube, transfusion needle, chemical feed pipe and breather, wherein at the external flow regulator had for controlling fluid flow of infusion tube, in a cylinder and/or between infusion tube and a cylinder, a self-closing assembly of safety is at least set, the self-closing assembly of described safety comprises solution body, drain body and airtight film body, it is characterized in that, described drain body has the passage for liquid medicine flow, the top of this drain body is airtight, the side of this drain body at least arranges an opening, described airtight film body is installed with at drain external, and be arranged to airtight to described drain body unidirectional valve and open airtight film body with the gravity of medicinal liquid self, be provided with a funnel component above this airtight film body and connect as one with described solution body, described solution body at least arranges a medicine liquid outlet portion, described drain body and the medicine liquid outlet portion of solution body connect as one, described infusion tube is connected with drain body by the medicine liquid outlet portion of solution body.
2. disposable self-closing safe transfusion system as claimed in claim 1, is characterized in that, described airtight film body is arranged to all openings of described drain side side airtight.
3. disposable self-closing safe transfusion system as claimed in claim 1, is characterized in that, described airtight film body and described drain body connect as one.
4. disposable self-closing safe transfusion system as claimed in claim 1, is characterized in that, described airtight film body is at least made up of elastomeric material at the opening part of airtight drain side side.
5. disposable self-closing safe transfusion system as claimed in claim 1, is characterized in that, described solution body and described cylinder split of dripping arrange and connect as one or one-body molded setting.
CN201310029174.6A 2013-01-25 2013-01-25 Disposable self-closing safe transfusion system Expired - Fee Related CN103961769B (en)

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Application Number Priority Date Filing Date Title
CN201310029174.6A CN103961769B (en) 2013-01-25 2013-01-25 Disposable self-closing safe transfusion system

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CN103961769B true CN103961769B (en) 2016-03-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108144150A (en) * 2017-12-26 2018-06-12 山东诺信医疗器械有限公司 Minimally Invasive Surgery integrative control suctions rifle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1220895A (en) * 1997-12-23 1999-06-30 石振山 Automatic seal safety device for transfusion
CN201505330U (en) * 2009-10-13 2010-06-16 上海金塔医用器材有限公司 Self-stopping saving type transfusion system
CN201939817U (en) * 2011-01-13 2011-08-24 济南国瑞医疗器械有限公司 Automatic liquid-stopping transfusion apparatus
CN102671252A (en) * 2012-05-25 2012-09-19 山东新华安得医疗用品有限公司 Full automatic infusion set
CN203196058U (en) * 2013-01-25 2013-09-18 黄水莲 Disposable self-closing type safe infusion set

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1220895A (en) * 1997-12-23 1999-06-30 石振山 Automatic seal safety device for transfusion
CN201505330U (en) * 2009-10-13 2010-06-16 上海金塔医用器材有限公司 Self-stopping saving type transfusion system
CN201939817U (en) * 2011-01-13 2011-08-24 济南国瑞医疗器械有限公司 Automatic liquid-stopping transfusion apparatus
CN102671252A (en) * 2012-05-25 2012-09-19 山东新华安得医疗用品有限公司 Full automatic infusion set
CN203196058U (en) * 2013-01-25 2013-09-18 黄水莲 Disposable self-closing type safe infusion set

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