CN201664449U - Micro-adjuster for transfusion - Google Patents
Micro-adjuster for transfusion Download PDFInfo
- Publication number
- CN201664449U CN201664449U CN2010201670703U CN201020167070U CN201664449U CN 201664449 U CN201664449 U CN 201664449U CN 2010201670703 U CN2010201670703 U CN 2010201670703U CN 201020167070 U CN201020167070 U CN 201020167070U CN 201664449 U CN201664449 U CN 201664449U
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- intake tunnel
- transfusion
- fixed body
- microadjuster
- seal ring
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Abstract
The utility model discloses a micro-adjuster for transfusion, comprising a fixing body, a graduated disc, an expansion plug and a round rotating body which is embedded on the fixing body, a handle is arranged on the fixing body, the graduated disc is arranged above the rotating body, a sealing room is formed between the rotating body and the fixing body and a closed water flow channel is arranged in the sealing room, the water flow channel is respectively communicated with the liquid inlet hole and the liquid outlet hole at the outer end of the fixing body, the channel size of the water flow channel can be adjusted by rotating the rotating body to change the flow rate of liquid medicine. The operation is simple, the usage is convenient, no energy consumption is generated, the adjustment of the flow rate is accurate an reliable, the flow rate is clear to see, and the micro-adjuster for transfusion is suitable for being used outdoors and for various conditions of accurately controlling the transfusion quantity.
Description
Technical field
This utility model relates to a kind of transfusion adjusting device, belongs to the medical product field, the particularly a kind of microadjuster that can effectively regulate and control fluid flow when infusing.
Background technology
Transfusion is compared with oral drugs, can obtain faster, more stable drug effect, can not produce toxic and side effects, is the preferred manner of modern medicine treatment burst disease.Infusion process adopts injection needle directly to insert human vein, pharmaceutical liquid and injection needle to pass through the direct-connected mode of pipeline, utilize pressure differential that liquid is sent in patient's body, and medicine is sent into blood of human body and along with blood acts on the affected part.Can bring into play the curative effect of medicine to greatest extent, shorten treatment time.Oral drugs are sent to whole body by the medicine behind the peptic digestion through blood, and finish treatment in the affected part with the place of stomach as medicine digestion, absorption.Because oral drugs can be controlled drug effect and discharge, keeps supplying with continuously in 24 hours, so though action time is slower, the drug effect persistence is better, can 24 hours continuous dispensings, the control and the removal of virus there is extraordinary therapeutic effect.
So people begin to pay close attention to the medicinal liquid flow control of infusion process.The flow controller that uses during existing the transfusion has the guide rail at angle of inclination by one and forms along the steamboat that has groove that guide rail rolls, liquid-transport pipe-line is between guide rail and steamboat, promote steamboat, behind the corresponding extruding liquid-transport pipe-line, make the adjusted and control of fluid flow in the liquid-transport pipe-line.But this control is thick relatively spacious control procedure, and the effect of adjusting can only observe and grasp by the medicinal liquid drop of continuous whereabouts.It uses under normal conditions also can, but on the certain drug that some urgent patients use,, must carry in right amount with constant speed according to patient's situation as anticarcinogen, antibiotic etc., just can make drug effect continue to play a role, otherwise, very likely have side effects, as anaphylactic shock etc., at this moment, existing flow controller can't satisfy the use needs, has brought great inconvenience for patient and medical personnel, also can influence therapeutic effect when serious.And when the child used this type of flow controller, because the rocking and touching of hand, the steamboat on this flow controller also can become flexible, and the messenger drug flow velocity is accelerated, influence transfusion effect.
The rough control that above-mentioned controller has only been realized flow will realize accurate control, and existing mode mainly is to rely on infusion pump to carry out, and utilizes the pump housing to carry out flow and supplies with, and accurately controls medicinal liquid and carries quantity, guarantees the efficacy of a drug persistent period.But infusion pump need have electric power to work, and certain energy resource consumption is arranged, and volume is big, cost is high, uses very inconvenience in the ward.
How to design a kind of convenient, stable flow rate adjustment control, under the situation that does not consume other energy, make infusion process can realize accurate control, guarantee medicinal liquid action time and treatment curative effect, want the problem that solves with regard to becoming this utility model.
Summary of the invention
In view of situation about running in above-mentioned the deficiencies in the prior art and actual the use, this utility model aims to provide a kind of simple to operate, easy to use, relies on gravity to carry out the accurately transfusion microadjuster of control of flow.
This utility model is achieved through the following technical solutions:
A kind of transfusion microadjuster, comprise a fixed body and a circular rotary body that is embedded on the fixed body, it between rotary body and the fixed body seal cavity, be provided with the water stream channel of sealing in the seal cavity, water stream channel is communicated with the inlet and the liquid outlet of fixed body outer end respectively, and rotary body is regulated the channel sized of water stream channel by rotation.
A kind of transfusion also comprises a graduated disc with microadjuster, and graduated disc is positioned at the rotary body top, is provided with initialize switch between rotary body and fixed body, fixedlys connected with fixed body after passing rotary body in the graduated disc lower end.
Described graduated disc lower end is provided with flexible feet, and flexible feet is stuck in the draw-in groove of fixed body center through hole, also is inserted with the plug that rises on the flexible feet.
A kind of transfusion is with also comprising handle on the microadjuster, handle is connected on the fixed body or with fixed body and is structure as a whole.
The relative upper/lower terminal that is distributed in the fixed body outside of described inlet with liquid outlet.
Described water stream channel comprises relatively independent intake tunnel and exhalant canal, and be positioned at rotary switch between intake tunnel and exhalant canal, intake tunnel and exhalant canal are distributed on the fixed body, intake tunnel is communicated with inlet, exhalant canal is communicated with liquid outlet, the connection of rotary switch control intake tunnel and exhalant canal.
Described intake tunnel and exhalant canal circularize distribution respectively, intake tunnel is distributed on the end face of elastic seal ring on the fixed body, the cross-sectional area of intake tunnel reduces gradually, the elastic seal ring end face closely contacts with the rotary body bottom surface, elastic seal ring is fixed on the fixed body, exhalant canal is an annular groove, liquid outlet is communicated with the bottom surface of annular groove, rotary switch comprises that one is arranged on rotary body bottom surface and the corresponding groove of intake tunnel, and the fin that is positioned at elastic seal ring end face intake tunnel tail end, fin and groove fit sealing, the groove two ends can be communicated with intake tunnel and exhalant canal respectively.
Described elastic seal ring is stuck in the U-lag on the fixed body, and the elastic seal ring bottom surface is a zigzag.
Also be provided with the diversion groove on the corresponding position of intake tunnel on described rotary body bottom surface and the elastic seal ring.
Described annular intake tunnel is one or one or more.
Transfusion microadjuster described in the utility model utilizes the rotary course of rotary body, changes the cross-sectional area that is arranged in seal cavity current communication passage, and water flow is changed, thereby realizes the accurate adjusting and the control of flow.In the operating process, utilize the handle that is connected on the fixed body to realize the one hand adjusting control of flow, simple to operate, easy to use, the flow size comes into plain view by graduated disc.
Its concrete advantage shows as:
1, changed present transfusion and estimated, manually the operational approach of regulating flow only according to medical care.
2, simple to operate, to install, check and correction was all finished in a few minutes such as adjustment, did not need special training, did not more need the extra power support, was fit to emergent uses such as open-air rescue.
3, adjustable extent wide (5ml/h-300ml/h), flow deviation is little, precision is high, enters human body according to the requirement of pharmacokinetics, improves the therapeutic effect of medicine, alleviates the toxic reaction of medicine.
4, dial type traffic management has alleviated patient's burden at heart, reduces fear.
5, the on/off operation of actuator is correct rapidly, has projection to prevent that malpractice from taking place between ON/OFF.
6, similar microadjuster product with other is compared, and actuator and flexible pipe need not rotate 360 °, but singlehanded just complete operation is easy to use.
7, avoided actuator before that the danger of excessive input takes place, can accurately keep infusion flow constant, and can move with user.
8, adopt gravity and fine flow adjustment, control amount of infusion, do not produce any energy resource consumption, flow-control accurately, reliably.
9, make things convenient for patient's activity and medical personnel work, need not often to look after, alleviated medical personnel's workload, improved work efficiency.
10, production cost is low, does not need plant maintenance.
This utility model can replace the use of existing infusion pump to a certain extent, is particularly suitable for
Intensive care unit(ICU), operating room, emergency room, Ma numbness section and Pediatrics Department etc. are various to need the section office of accurately trace transfusion to use according to the state of an illness and medicine.As Pediatrics Department, cardiology department, department of obstetrics and gynecology, chemotherapy of tumors section, complete parenteral intravenous nutrition fluid infusion etc.
Description of drawings
Fig. 1 is a structure cutaway view of the present utility model;
Fig. 2 is the structure vertical view of fixed body in this utility model;
Fig. 3 is not for containing the structure vertical view behind elastic seal ring and the sealing ring among Fig. 2;
Fig. 4 is the structural representation of rotary body bottom surface in this utility model;
Fig. 5 be among Fig. 4 A-A to the structure cutaway view.
The specific embodiment
Below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 this utility model is further described:
Transfusion microadjuster described in the utility model comprises fixed body 1, graduated disc 4, plug 2 and be embedded in circular rotary body 3 on the fixed body 1 rises.Fixed body 1 outer end is provided with the handle 5 of integrative-structure, and handle 5 is an arc framework, can stably grip actuator by handle 5, and rotary body 3 is operated.The outside of circular rotary body 3 is provided with the lines of rotation usefulness, and graduated disc 4 is pressed in rotary body 3 on the fixed body 1 after passing rotary body 3, under the prerequisite that keeps rotary body 3 spinfunctions, has formed the seal cavity of a relative closure between rotary body 3 and the fixed body 1.Be the steadiness that guarantees to connect, be provided with four flexible feets 18 in graduated disc 4 lower ends, flexible feet 18 is stuck in the draw-in groove of fixed body 1 center through hole, the plug 2 that rises is inserted on the flexible feet 18, can fully contact with the draw-in groove wall behind flexible feet 18 spreadings, make connection more firm, simultaneously, also guaranteed the reliable rotation of rotary body 3.And in order to determine the original position of rotary body 3, guarantee also to be provided with the initialize switch that matches at rotary body 3 and 1 of fixed body by the effectiveness that graduated disc 4 uses, initialize switch is made up of two projections 12 in the prism on the rotary body 3 15 and fixed body 1 outside.
Water stream channel comprises relatively independent an intake tunnel 8 ' and an exhalant canal 11, and the rotary switch that is positioned at 11 of intake tunnel 8 ' and exhalant canals.Intake tunnel 8 ' and exhalant canal 11 circularize on the fixed body 1 that is distributed in the seal cavity respectively in concentrically ringed mode, wherein, exhalant canal 11 is formed by being positioned at inboard annular groove, liquid outlet 19 is communicated with the bottom surface of annular groove, is provided with sealing ring 10 between annular groove inboard and the center through hole.The outside of annular groove also is provided with U-lag 14, elastic seal ring 9 is stuck in the U-lag 14, intake tunnel 8 ' is positioned on the end face of elastic seal ring 9, and elastic seal ring 9 plays the effect to fixed body 1 inner seal space sealing on the one hand, also exists as the carrier of intake tunnel 8 ' on the other hand.The inlet 6 of intake tunnel 8 ' is communicated with the inlet 17 in fixed body 1 outside, the cross section of intake tunnel 8 ' is descending to be shunk gradually, by refinement gradually, easier adjusting of the flow process of Xing Chenging and control was so also prepared for micro-adjusting of later stage when medicinal liquid flow through intake tunnel 8 '.For forming relative closure, independently intake tunnel 8 ' and exhalant canal 11 separately, rotary body 3 underrun graduated discs 4 tightly are pressed on elastic seal ring 9 and sealing ring 10 end faces, the surface configuration of rotary body 3 bottom shapes and fixed body 1 is complementary, make to form relative sealing state on elastic seal ring 9 and the sealing ring 10, the intake tunnel 8 ' that is positioned on the elastic seal ring 9 just becomes seal channel.
For guaranteeing the effectiveness and the mobile permeability of intake tunnel 8 ', at rotary body bottom surface and elastic seal ring 9 enterprising water channel 8s ' corresponding position also is provided with the identical diversion groove 8 of shape "; diversion groove 8 " but and intake tunnel 8 ' the common guarantee medicinal liquid can flow into smoothly, simultaneously, can not overflow outside the elastic seal ring 9 yet.
Rotary switch comprises that one is arranged on rotary body 3 bottom surfaces and intake tunnel 8 ' the corresponding groove 16 and is positioned at fin 13 on elastic seal ring 9 end faces, fin 13 is positioned at intake tunnel 8 ' tail end and is complementary with groove 16, and the two ends of groove 16 can be communicated with intake tunnel 8 ' and exhalant canal 11 respectively.When closing water stream channel, groove 16 is stuck in the fin 13, and intake tunnel 8 ' and exhalant canal 11 keep relatively independent; And when rotation was used, groove 16 two ends then were connected between intake tunnel 8 ' and the exhalant canal 11, and along with the rotation of rotary body 3 constantly enlarges the current cross-sectional area of communication passage, the medicinal liquid flow that passes through were increased.
Because rotary body 3 needs constantly to adjust, rotate on elastic seal ring 9, for increasing frictional force, guarantee the structural stability of elastic seal ring 9, zigzag also has been arranged in the bottom surface of elastic seal ring 9, to guarantee the result of use of elastic seal ring 9.
Certainly, the annular intake tunnel 8 ' that is distributed on the elastic seal ring 9 also can be one or more, and the intake tunnel 8 ' of one or more is arranged on the end face of elastic seal ring 9, and its spread geometry can be set as required.As two-way annular, spiral type etc.
In the use, to infuse and be connected on the infusion pipeline with microadjuster, inlet 17 is connected with the upper end of infusion pipeline, the lower end of infusion pipeline is communicated with liquid outlet 19 on the microadjuster, initialize switch is in the closed position, the groove 16 of seal cavity inner rotary body 3 bottom surfaces is stuck on the fin 13 of elastic seal ring 9 end faces, intake tunnel 8 ' keeps the relative closure state with exhalant canal 11, medicinal liquid can't enter into exhalant canal 11 after flowing into intake tunnel 8 ' by inlet 17, and medicinal liquid can't flow out.
During adjustment, grasp the handle 5 on the microadjuster, thumb counterclockwise rotates rotary body 3, the groove 16 of rotary body 3 bottom surfaces is deviate from from fin 13, and be communicated with intake tunnel 8 ' on the elastic seal ring 9, because groove 16 other ends are positioned at exhalant canal 11 tops, so medicinal liquid can flow in the exhalant canal 11 through groove 16 automatically, and flow to liquid outlet 19, thereby finish the process that medicinal liquid flows through from the outlet 7 of exhalant canal 11 bottoms.Wherein, the influence that constantly dwindled by intake tunnel 8 ' cross section, groove 16 is beginning the connection stage, the flow that medicinal liquid flows through is less, its numerical value can be according to intake tunnel 8 ' and diversion groove 8 " size of cross section calculates, and respective value is engraved on the relatively-stationary graduated disc 4 of rotary body 3 tip positions in advance, during rotary body 3 rotations; just can read the flow information of medicinal liquid from the graduated disc 4 in time, exactly, adjust as required.Along with rotary body 3 anglecs of rotation increase, near the front end of intake tunnel 8 ', the cross section of the intake tunnel 8 ' that groove 16 is communicated with increases gradually in the position that groove 16 moves, and medicinal liquid flow increases, and infusion process is accelerated, and adjusts and realizes.What screw out is positioned at diversion groove 8 on rotary body 3 bottom surfaces " then be subjected to fin 13 on the elastic seal ring 9 stop that medicinal liquid is the groove of part diversion from then on 8 not " in flow through.So far, the medicinal liquid of infusion process trace adjustment process is finished.
Claims (10)
1. transfusion microadjuster, it is characterized in that, comprise a fixed body and a circular rotary body that is embedded on the fixed body, it between described rotary body and the fixed body seal cavity, be provided with the water stream channel of sealing in the seal cavity, water stream channel is communicated with the inlet and the liquid outlet of fixed body outer end respectively, and rotary body is regulated the channel sized of water stream channel by rotation.
2. transfusion microadjuster according to claim 1, it is characterized in that, also comprise a graduated disc, described graduated disc is positioned at the rotary body top, being provided with initialize switch between rotary body and fixed body, fixedlys connected with fixed body after passing rotary body in the graduated disc lower end.
3. transfusion microadjuster according to claim 2 is characterized in that, described graduated disc lower end is provided with flexible feet, and flexible feet is stuck in the draw-in groove of fixed body center through hole, also is inserted with the plug that rises on the described flexible feet.
4. transfusion microadjuster according to claim 1 is characterized in that, also comprises handle, and described handle is connected on the fixed body or with fixed body and is structure as a whole.
5. transfusion microadjuster according to claim 1 is characterized in that, the relative upper/lower terminal that is distributed in the fixed body outside with liquid outlet of described inlet.
6. according to claim 1,2,4 or 5 described transfusion microadjusters, it is characterized in that, described water stream channel comprises relatively independent intake tunnel and exhalant canal, and be positioned at rotary switch between intake tunnel and exhalant canal, described intake tunnel and exhalant canal are distributed on the fixed body, intake tunnel is communicated with inlet, and exhalant canal is communicated with liquid outlet; The connection of described rotary switch control intake tunnel and exhalant canal.
7. transfusion microadjuster according to claim 6, it is characterized in that, described intake tunnel and exhalant canal circularize distribution respectively, intake tunnel is distributed on the end face of elastic seal ring on the fixed body, the cross-sectional area of intake tunnel reduces gradually, the elastic seal ring end face closely contacts with the rotary body bottom surface, and elastic seal ring is fixed on the fixed body; Described exhalant canal is an annular groove, and liquid outlet is communicated with the bottom surface of annular groove; Described rotary switch comprises that one is arranged on rotary body bottom surface and the corresponding groove of intake tunnel, and the fin that is positioned at elastic seal ring end face intake tunnel tail end, fin and groove fit sealing, and the groove two ends can be communicated with intake tunnel and exhalant canal respectively.
8. transfusion microadjuster according to claim 7 is characterized in that, described elastic seal ring is stuck in the U-lag on the fixed body, and the elastic seal ring bottom surface is a zigzag.
9. transfusion microadjuster according to claim 7 is characterized in that, also is provided with the diversion groove on the corresponding position of intake tunnel on described rotary body bottom surface and the elastic seal ring.
10. transfusion microadjuster according to claim 7 is characterized in that, described annular intake tunnel is one or one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201670703U CN201664449U (en) | 2010-04-19 | 2010-04-19 | Micro-adjuster for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201670703U CN201664449U (en) | 2010-04-19 | 2010-04-19 | Micro-adjuster for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201664449U true CN201664449U (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201670703U Expired - Fee Related CN201664449U (en) | 2010-04-19 | 2010-04-19 | Micro-adjuster for transfusion |
Country Status (1)
| Country | Link |
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| CN (1) | CN201664449U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548251A (en) * | 2015-01-20 | 2015-04-29 | 深圳市普罗斯曼医疗器械有限公司 | Anesthesia micro-infusion device |
| CN104740724A (en) * | 2013-12-27 | 2015-07-01 | 苏州和林精密科技有限公司 | Medical panel type precision flow regulator |
| WO2016101858A1 (en) * | 2014-12-22 | 2016-06-30 | 胡绍勤 | Infusion flow speed regulator |
| CN106039471A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | Accurate and quantitative infusion device |
| CN106039470A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | System realizing adjustment on drip velocity of oxytocin according to maternal uterine contraction |
| CN107072879A (en) * | 2014-10-20 | 2017-08-18 | 大光医疗设备有限公司 | Infusion flow adjuster |
| CN109843354A (en) * | 2016-11-10 | 2019-06-04 | 森西勒医药股份公司 | Medicine delivery device |
-
2010
- 2010-04-19 CN CN2010201670703U patent/CN201664449U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104740724A (en) * | 2013-12-27 | 2015-07-01 | 苏州和林精密科技有限公司 | Medical panel type precision flow regulator |
| CN107072879A (en) * | 2014-10-20 | 2017-08-18 | 大光医疗设备有限公司 | Infusion flow adjuster |
| EP3210638A4 (en) * | 2014-10-20 | 2018-06-20 | Hanvit MD Co., Ltd | Infusion flow adjuster |
| CN107072879B (en) * | 2014-10-20 | 2019-09-17 | 大光医疗设备有限公司 | Infusion flow adjuster |
| WO2016101858A1 (en) * | 2014-12-22 | 2016-06-30 | 胡绍勤 | Infusion flow speed regulator |
| CN104548251A (en) * | 2015-01-20 | 2015-04-29 | 深圳市普罗斯曼医疗器械有限公司 | Anesthesia micro-infusion device |
| CN106039471A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | Accurate and quantitative infusion device |
| CN106039470A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | System realizing adjustment on drip velocity of oxytocin according to maternal uterine contraction |
| CN109843354A (en) * | 2016-11-10 | 2019-06-04 | 森西勒医药股份公司 | Medicine delivery device |
| CN109843354B (en) * | 2016-11-10 | 2021-05-07 | 森西勒医药股份公司 | Drug delivery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20190419 |