CN102327663B - Automatic pressure regulating device for central negative pressure aspirator - Google Patents

Automatic pressure regulating device for central negative pressure aspirator Download PDF

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Publication number
CN102327663B
CN102327663B CN 201110310379 CN201110310379A CN102327663B CN 102327663 B CN102327663 B CN 102327663B CN 201110310379 CN201110310379 CN 201110310379 CN 201110310379 A CN201110310379 A CN 201110310379A CN 102327663 B CN102327663 B CN 102327663B
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Prior art keywords
pressure
central
aspirator
regulating
negative
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CN 201110310379
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Chinese (zh)
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CN102327663A (en )
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闫冬
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天津市同业科技发展有限公司
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Abstract

本发明涉及一种中心负压吸引器的自动调压装置,由补气电磁阀组及放气电磁阀组构成,补气电磁阀组与放气电磁阀组为组合设置;在两组电磁阀组前、后的负压管路上安装有分别安装有一传感器,补气电磁阀组的两个补气电磁阀为并联形式,在其中一个补气电磁阀上安装有一节流阀;放气电磁阀组的两个放气电磁阀为并联形式,在其中一个放气电磁阀上也安装有一节流阀。 The present invention relates to an automatic device for regulating the central suction device is composed of a solenoid valve and qi deflation solenoid valve, the discharge gas solenoid valve qi solenoid valve is provided in combination; in the two solenoid valves front group, the negative pressure tube is attached to the road are attached a sensor, solenoid valve qi qi two solenoid valves in parallel form, in which a solenoid valve mounted with a supplemental gas throttle valve; bleed solenoid the bleed valve two solenoid valves in parallel form, in which a bleed solenoid valve is also attached to a throttle valve. 本调压装置结构简单可行,设计科学合理,可自动调整负压,克服了现有负压吸液过程中出现的问题,保证了集液瓶内的恒定负压的正常供给,由此也保障了医疗的正常进行。 This regulating device structure is simple and feasible, scientific and rational design, can automatically adjust the negative pressure, the negative pressure overcomes the problems of the prior occur during pipetting, ensuring the normal supply of constant negative pressure collection canister, thereby also guarantees a normal medical care.

Description

—种中心负压吸引器的自动调压装置 - automatic regulating means the center-suction device

技术领域 FIELD

[0001] 本发明属于医疗器械领域,涉及负压吸引器,尤其是一种中心负压吸引器的自动调压装置。 [0001] The present invention belongs to the field of medical devices, to a suction device, in particular a device for the automatic voltage regulator of the central suction device.

背景技术 Background technique

[0002] 负压引器在手术引流、吸液中使用较为普遍,中心负压控制的精度大小,直接影响到负压吸液,也影响到治疗效果的好坏。 [0002] The negative pressure is introduced, the absorbent used in the more common surgical drainage, the size of the center of the negative pressure control accuracy directly affects the liquid-absorbent negative pressure, also affects the quality of therapeutic effect. 目前,中心负压吸引器的负压控制基本上采用在负压管路上加装针阀的形式,通过针阀的开度来控制负压。 Currently, the negative pressure control center suction device substantially takes the form of a needle valve installed in the negative pressure pipeline, the negative pressure is controlled by the opening degree of the needle valve. 但这种方法控制的患者侧压力会随中心负压源的压力波动变化而改变,无法精确控制负压的恒定,调节压力效率较低,给患者带来疼痛甚至增加病情,同时也给治疗带来麻烦。 However, this method of controlling the side pressure in the patient will vary with pressure fluctuations of the center of the negative pressure source, it can not be precisely controlled constant negative pressure, the lower pressure regulating efficiency, to patients with pain or increased disease, but also to the treatment zone to trouble.

[0003] 通过检索,未发现与本专利申请相同的公开专利文献。 [0003] By retrieving not found with the present patent application disclosed in the same patent document.

发明内容 SUMMARY

[0004] 本发明的目的在于克服现有技术的不足之处,提供一种负压控制精度高、可自动恒定控制负压的中心负压吸引器的自动调压装置。 [0004] The object of the present invention is to overcome the shortcomings of the prior art, to provide a negative pressure control with high precision, the control center can automatically constant negative pressure of the automatic pressure regulating device of the suction device.

[0005] 本发明的目的是通过以下技术方案实现的: [0005] The object of the present invention is achieved by the following technical solution:

[0006] 一种中心负压吸引器的自动调压装置,安装在负压集液瓶与外接气源之间,该装置外接气源侧安装有一单向阀,负压集液瓶通过负压管路连接患者吸液部位,负压管通过防溢过滤器连接本调压装置,其特征在于:本调压装置由补气电磁阀组及放气电磁阀组构成,补气电磁阀组与放气电磁阀组为组合设置;在两组电磁阀组前、后的负压管路上分别安装有一传感器,补气电磁阀组的两个补气电磁阀为并联形式,在其中一个补气电磁阀上安装有一节流阀;放气电磁阀组的两个放气电磁阀为并联形式,在其中一个放气电磁阀上也安装有一节流阀。 [0006] The center apparatus for automatically regulating the suction device, is mounted between the negative pressure fluid collection canister and the external gas source, an external gas source is attached to a side of the one-way valve means, negative pressure by the negative pressure fluid collection canister patients pipetting pipe connection portion, the negative pressure tube is connected through a pressure regulating device of the present spill filter, characterized in that: pressure regulating means is constituted by the present qi solenoid valve and bleed solenoid valve, solenoid valve and qi bleed solenoid valve is provided in combination; in front of the two solenoid-operated valve, the negative pressure tube are respectively attached to a road sensor, solenoid valve qi qi two solenoid valves in parallel form, in which a solenoid qi a throttle valve is mounted; two bleed solenoid valve bleed solenoid valve in parallel form, in which a discharge gas solenoid valve is also attached to a throttle valve. ` `

[0007] 而且,所述两个放气电磁阀分别安装有消音器。 [0007] Further, deflation of the two solenoid valves mounted muffler, respectively.

[0008] 本发明的优点和有益效果为: [0008] The advantages and benefits of the present invention are:

[0009]1、本调压装置利用两组四个电磁阀来实现负压的切换,其中一组补气电磁阀及一组放气电磁阀,每组电磁阀为两个并在其中一个电磁阀的管路上安装有节流阀,由此可以实现在快速放气、补气的同时,也可以切换到慢速放气补气,有效保证了集液瓶内负压的恒定。 [0009] 1, the present pressure regulating device uses two groups of four switching solenoid valves to achieve a negative pressure, wherein a set of supplemental gas solenoid valve and a set of bleed solenoid valve, each solenoid valve is a solenoid and in which two the pipeline valve is attached to a throttle valve, thereby to achieve in the rapid deflation, qi, can be switched to the slow deflation qi, effectively guarantee the constant negative pressure collection canister.

[0010] 2、本调压装置结构简单可行,设计科学合理,可自动调整负压,克服了现有负压吸液过程中出现的问题,保证了集液瓶内的恒定负压的正常供给,由此也保障了医疗的正常进行。 [0010] 2, the present pressure regulating device structure is simple and feasible, scientific and rational design, can automatically adjust the negative pressure, the negative pressure overcomes the problems of the prior occur during pipetting, ensuring the normal supply of constant negative pressure in the collection canister , which also protect the normal medical treatment.

附图说明 BRIEF DESCRIPTION

[0011] 图1为本发明的外形结构示意图; [0011] FIG. 1 is a schematic outline structure of the present invention;

[0012] 图2为本发明的负压管路连接示意图;[0013] 图3为本发明的工艺流程框图。 [0012] FIG. 2 negative line connection diagram of the present invention; process flow block diagram of [0013] FIG. 3 of the present invention.

具体实施方式 detailed description

[0014] 下面结合附图并通过具体实施例对本发明作进一步详述,以下实施例只是描述性的,不是限定性的,不能以此限定本发明的保护范围。 [0014] conjunction with the accompanying drawings and the following specific embodiments of the present invention will be further described in detail, for example, the following embodiments merely descriptive, not limiting, in order not to limit the scope of the present invention.

[0015] 一种中心负压吸引器的自动调压装置,参见图1、图2。 [0015] The center apparatus for automatically regulating the suction device, see FIG. 1, FIG.

[0016] 该调压装置安装在负压集液瓶LQ与外接气源Ql之间,外接气源侧安装有一单向阀Dl,负压集液瓶通过吸液管路G2连接患者吸液部位,负压管Gl通过防溢过滤器Fl连接本调压装置。 [0016] The regulating device is mounted between the negative pressure fluid collection canister and the external gas source LQ Ql, external gas source is attached to a side of the check valve Dl, the negative pressure fluid collection canister suction line is connected via the liquid-absorbent portion G2 patients this pressure adjustment means is connected through a negative pressure tube Gl spill filter Fl.

[0017] 本调压装置的结构如下: Structure [0017] This regulating device is as follows:

[0018] 负压管路接嘴6与外接气源接嘴3之间有安装电磁阀组1,该电磁阀组包括补气电磁阀V4、V3及放气电磁阀V2、VI,补气电磁阀组与放气电磁阀组为组合设置;在电磁阀组的传感器接嘴4、5上分别各安装有一压力传感器(P1、P2),用于检测管路上的负压值;补气电磁阀组的两个补气电磁阀为并联形式,在其中一个补气电磁阀上安装有一节流阀JLl ;放气电磁阀组的两个放气电磁阀也为并联形式,在其中一个放气电磁阀上安装有一节流阀几2。 [0018] negative pressure conduit 6 and the mouthend external gas source 3 is mounted between the mouthpiece has a solenoid valve, the solenoid valve comprises a solenoid valve qi V4, V3 and bleed solenoid valve V2, VI, electromagnetic qi solenoid valve with bleed valve is provided in combination; in the sensor are connected to each solenoid valve is attached to a pressure transducer (P1, P2), for detecting the value of the negative pressure on the pipe line nozzles 4, 5; qi solenoid valve two sets of solenoid valves qi in parallel form, in which a solenoid valve is attached to a supplemental gas throttle JLL; two bleed solenoid valve bleed solenoid valve is also connected in parallel form, in which a gassing 2 is mounted on a throttle several solenoid valves. 两个节流孔的作用是需要微调补气及放气时,切换到该两个电磁阀。 Action of the two orifice is a need to fine tune qi and deflated, the two solenoid valves switch to. 当需要大量的补气及放气时,切换到其他两个电磁阀。 When a large amount of deflation and qi, switch to the other two solenoid valves.

[0019] 两个放气电磁阀分别安装有消音器2(X1、X2)。 [0019] bleed two solenoid valves are mounted silencer 2 (X1, X2).

[0020] 本调压装置的补气电磁阀组和放气电磁阀组可以根据压力调节的实际需要,分别由I个至100个电磁阀组成。 [0020] The present qi solenoid valve and bleed solenoid valve regulating means may be adjusted according to the actual needs of the pressure, respectively, by the I 100 to solenoid valve. 节流阀在实际应用过程中,节流孔可以用来代替。 In the practical application process of the throttle valve, the orifice can be used instead.

Claims (2)

  1. 1. 一种中心负压吸引器的自动调压装置,安装在负压集液瓶与外接气源之间,该装置外接气源侧安装有一单向阀,负压集液瓶通过负压管路连接患者吸液部位,负压管通过防溢过滤器连接本调压装置,其特征在于:所述调压装置由补气电磁阀组及放气电磁阀组构成,补气电磁阀组与放气电磁阀组为组合设置;在两组电磁阀组前、后的负压管路上分别安装有一传感器,补气电磁阀组的两个补气电磁阀为并联形式,在其中一个补气电磁阀上安装有一节流阀;放气电磁阀组的两个放气电磁阀为并联形式,在其中一个放气电磁阀上也安装有一节流阀。 An automatic pressure regulating device central vacuum suction filter, mounted between the negative pressure fluid collection canister and the external gas source, an external gas source is attached to a side of the one-way valve means, negative pressure by the negative pressure tube fluid collection canister patients passage connecting the liquid-absorbent portion, the negative pressure tube is connected through a pressure regulating device spill filter, wherein: said regulating means is constituted by qi and bleed solenoid valve solenoid valve, solenoid valve and qi bleed solenoid valve is provided in combination; in front of the two solenoid-operated valve, the negative pressure tube are respectively attached to a road sensor, solenoid valve qi qi two solenoid valves in parallel form, in which a solenoid qi a throttle valve is mounted; two bleed solenoid valve bleed solenoid valve in parallel form, in which a discharge gas solenoid valve is also attached to a throttle valve.
  2. 2.根据权利要求1所述的中心负压吸引器的自动调压装置,其特征在于:所述两个放气电磁阀分别安装有消音器。 The center according to claim 1 aspirator vacuum automatic pressure regulating device, characterized in that: said two bleed solenoid valves are mounted muffler.
CN 201110310379 2011-10-14 2011-10-14 Automatic pressure regulating device for central negative pressure aspirator CN102327663B (en)

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Publication number Priority date Publication date Assignee Title
US5417246A (en) * 1989-10-27 1995-05-23 American Cyanamid Company Pneumatic controls for ophthalmic surgical system
US5419768A (en) * 1991-03-07 1995-05-30 Aeros Instruments, Inc. Electrical medical vacuum regulator
CN202289184U (en) * 2011-10-14 2012-07-04 天津市同业科技发展有限公司 Automatic pressure regulating device for central negative pressure aspirator

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