CN101334326A - Pressure detection device for perfusion tube - Google Patents
Pressure detection device for perfusion tube Download PDFInfo
- Publication number
- CN101334326A CN101334326A CNA2007103063093A CN200710306309A CN101334326A CN 101334326 A CN101334326 A CN 101334326A CN A2007103063093 A CNA2007103063093 A CN A2007103063093A CN 200710306309 A CN200710306309 A CN 200710306309A CN 101334326 A CN101334326 A CN 101334326A
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- Prior art keywords
- pressure
- briquetting
- pump door
- detecting device
- installing plate
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Abstract
The invention discloses a pressure detector used for a perfusion tube, including: a pump gate, the first surface of which is provided with a pump gate lock block; and a pressure transducer arranged on a mounting panel by a mounting hole and provided with a pressure contact which extends out of the second surface of the mounting panel; the first surface is opposite to the second surface, the pump gate is connected with the mounting panel and can rotate relatively to the mounting panel, wherein, the first surface of the pump gate is provided with two fixing parts for the lock block, which are spaced, the pump gate lock block is extruded between the two fixing parts for the lock block by the elasticity of a spring; and two lug bosses which are opposite to each other are symmetrically arranged on the mounting panel around the mounting hole. The pressure detector can ensure the stability of the matching between the pump gate lock block and the contact of the pressure transducer in the long-term use, avoid the error of the measuring of perfusion pressure, and avoid damage to patients.
Description
Technical field
The present invention relates to a kind of pressure-detecting device, in particular to a kind of pressure-detecting device that is used for medical infusion lines.
Background technology
Medical pump is a kind of transfusion auxiliary medical equipment, being applicable to needs the accurately various transfusion occasions of control transfusion speed, amount of infusion, give in the process of patient infusion at the clinical practice medical pump, because the height of woven hose internal pressure can be to the Different Effects of patient's generation, consideration based on the patient safety aspect, use the infusion pressure pick-up unit to monitor the interior infusion pressure of various woven hoses, in time trigger sound and light alarm when exceeding the authouized pressure scope with the pressure in the convenient woven hose, the prompting medical personnel handle, and guarantee patient safety.
The woven hose pressure-detecting device of prior art adopts split-type structural mostly, be made up of pressure transducer and pump door briquetting, and the two connects by articulated mounting.During use, with pressure transducer and pump door briquetting fastening and locking pump door, wherein woven hose is placed between pressure transducer contact and the pump door briquetting by articulated mounting.Because pump door briquetting maintains static, therefore the variation when the woven hose internal pressure causes woven hose tube wall generation deformation, and the deformation of woven hose tube wall and then when causing the deformation of pressure transducer contact can be measured infusion pressure.
The measurement reliability of prior art depends on the fitment stability between pump door briquetting and the pressure transducer contact, locks each time that the more little then measurement result of pump mismatch error behind the door is unreasonable to be thought.But, because the frequent woven hose of changing needs the frequent pump door that opens and closes, must cause after long-term the use to cooperate unstablely, cause infusion pressure to detect easily and error occurs, still can not report to the police after can causing transfusion to be blocked when serious, the patient is damaged.
Summary of the invention
For addressing the above problem the present invention is proposed, and the invention provides a kind of pressure-detecting device that is used for woven hose, this device can guarantee the stability that cooperates between the pump door briquetting and pressure transducer contact in long-term the use, avoid infusion pressure to detect and error occurs, avoid the patient is damaged.
The invention provides a kind of pressure-detecting device that is used for woven hose, comprising: the pump door is equipped with pump door briquetting on its first surface; And pressure transducer, be installed on the installing plate and have the pressure contact of the second surface that stretches out installing plate by mounting hole, first surface is relative with second surface, the pump door is connected in installing plate and can rotates with respect to installing plate, wherein, the first surface of pump door is provided with two briquetting fixtures that are spaced apart from each other, and pump door briquetting is squeezed between two briquetting fixtures by the elastic force of spring; On installing plate, be symmetrically arranged with two boss respect to one another around mounting hole.
Preferably, two briquetting fixtures are shape respect to one another, form two transverse parts respect to one another, are used to support pump door briquetting.
Preferably, pump door briquetting is a T shape shape, the body that forms two reverse each other horizontal protuberances and extend towards described second surface, the horizontal protuberance of pump door briquetting is supported on the transverse part of briquetting fixture, and described body is between two transverse parts.
Preferably, the body of pump door briquetting extends beyond two transverse parts towards described second surface.
Preferably, the body of pump door briquetting is 2mm towards the length that second surface extends beyond two transverse parts.
Preferably, two boss are the two and half U-shaped boss that face with each other.
Preferably, form the V-arrangement shape between two boss.
Preferably, spring comprises with respect to symmetrically arranged two springs of pump door briquetting.
Preferably, the elastic force of spring is greater than more than 1.5 times of pressure transducer greatest measurement.
Preferably, pump door and installing plate are connected through the hinge together.
But the present invention becomes the elastic press of straight-line displacement by hard-wired pump door briquetting on the pump door with prior art, has guaranteed the locking pump long-time stability of the mismatch error between pump door briquetting and the pressure transducer contact behind the door, guarantees patient's transfusion safety.
Description of drawings
Below in conjunction with accompanying drawing specific embodiments of the invention are described.But the multitude of different ways that the present invention can be defined by the claims and cover is implemented.In the accompanying drawing:
Fig. 1 is the phantom view according to the pressure-detecting device that is used for woven hose 10 of the specific embodiment of the invention, wherein shows the pump door briquetting 1 and the pressure transducer 8 that are in the state of being used.
Fig. 2 be the pressure-detecting device of Fig. 1 with the cut-open view under the duty after pump door 5 locking, wherein, woven hose 10 is clipped between pump door briquetting 1 and the pressure contact 2 and because of pressure changes and produces deformation.
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are described.
With reference to Fig. 1, this pressure-detecting device is made up of the pump door 5 with pump door briquetting 1 and pressure transducer 8 two parts with pressure contact 2, wherein, pressure transducer 8 is installed on the installing plate 6 by mounting hole 65, and pump door 5 links together by hinge 9 with installing plate 6.Woven hose 10 is between pump door briquetting 1 and pressure contact 2.
As shown in Figure 1, the surface 51 of pump door 5 is provided with two L shaped briquetting fixtures 4 respect to one another, the pump door briquetting 1 of T shape shape is arranged between two briquetting fixtures 4, and its horizontal protuberance 11 bears against on two transverse parts 41 of briquetting fixture 4 by the elastic force with respect to its symmetrically arranged two springs 7, and body 12 extends (preferably, this body extends beyond two transverse parts, 41 about 2mm downwards) downwards.On installing plate 6, pressure contact 3 stretches out the surface 61 (relative with the surface 51 of pump door 5) of installing plate 6, and also is provided with boss 3 around mounting hole 65.Woven hose 10 is between two boss.
In use, as shown in Figure 2, after the pump door locked, woven hose 10 is clamped in two boss between pump door briquetting 1 and the pressure contact 2, because the greatest measurement that the elastic force of spring 7 is far longer than pressure transducer 8 (preferably, greater than more than 1.5 times of pressure transducer 8 greatest measurement), so when the pressure in the woven hose rose to greater than predetermined value, the distortion of woven hose 10 made pressure contact 2 move down, thereby the triggering alarm equipment alarm, and guarantee patient safety.For the distortion that makes woven hose acts on the pressure contact of pressure transducer 8 better downwards, boss 3 has U-shaped shape respect to one another (as depicted in figs. 1 and 2).Alternatively, also can have inclined-plane respect to one another between these two boss 3, thereby form the V-arrangement shape.In addition, pump door briquetting that factor such as size causes because the pump door is exerted oneself when closing tightness and distortion of pump door and locking pump door in order to prevent in long-term use and the matching relationship instability between the pressure contact are (usually, mismatch error is 2mm), at this embodiment, the body 12 of pump door briquetting 1 extends beyond two transverse parts, 41 about 2mm (as illustrating in greater detail among Fig. 1) downwards.
In pressure-detecting device of the present invention; owing to be provided with spring; thereby but hard-wired pump door briquetting becomes the elastic press of straight-line displacement on the pump door with prior art; the locking pump long-time stability of the mismatch error between pump door briquetting and the pressure transducer contact have behind the door been guaranteed; make that the measurement of pressure transducer is more accurate, protection patient infusion safety.
Above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. pressure-detecting device that is used for woven hose (10), comprising: pump door (5) is equipped with pump door briquetting (1) on its first surface (51); And pressure transducer (8), be installed in the pressure contact (2) that the second surface (61) that stretches out described installing plate (6) was gone up and had to installing plate (6) by mounting hole (65), described first surface (51) is relative with described second surface (61), described pump door (5) is connected in described installing plate (6) and can rotates with respect to described installing plate (6), it is characterized in that:
The described first surface (51) of described pump door (5) is provided with two the briquetting fixtures (4) that are spaced apart from each other, and described pump door briquetting (1) is pressed against between described two briquetting fixtures (4) by the elastic force of spring (7);
Described second surface (61) at described installing plate (6) upward is symmetrically arranged with two boss respect to one another (3) around described mounting hole (65).
2. pressure-detecting device according to claim 1 is characterized in that, described two briquetting fixtures (4) are shape respect to one another, forms two transverse parts respect to one another (41), is used to support described pump door briquetting (1).
3. pressure-detecting device according to claim 2, it is characterized in that, described pump door briquetting (1) is a T shape shape, the body (12) that forms two reverse each other horizontal protuberances (11) and extend towards described second surface, the described horizontal protuberance (11) of described pump door briquetting (1) is supported on the described transverse part (41) of described briquetting fixture (4), and described body (12) is between described two transverse parts (41).
4. pressure-detecting device according to claim 3 is characterized in that, the described body (12) of described pump door briquetting (1) extends beyond described two transverse parts (41) towards described second surface (61).
5. pressure-detecting device according to claim 4 is characterized in that, the described body (12) of described pump door briquetting (1) is 2mm towards the length that described second surface (61) extends beyond described two transverse parts (41).
6. pressure-detecting device according to claim 1 is characterized in that, the two and half U-shaped boss of described two boss (3) for facing with each other.
7. pressure-detecting device according to claim 1 is characterized in that, forming V-shape shape between described two boss (3).
8. pressure-detecting device according to claim 1 is characterized in that, described spring (7) comprises with respect to symmetrically arranged two springs of described pump door briquetting (1).
9. according to claim 1 or 7 described pressure-detecting devices, it is characterized in that the elastic force of described spring (7) is greater than more than 1.5 times of described pressure transducer (8) range greatest measurement.
10. pressure-detecting device according to claim 1 is characterized in that, described pump door (5) links together by hinge (9) with described installing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710306309 CN101334326B (en) | 2007-06-28 | 2007-12-28 | Pressure detection device for perfusion tube |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720169493 | 2007-06-28 | ||
| CN200720169493.7 | 2007-06-28 | ||
| CN 200710306309 CN101334326B (en) | 2007-06-28 | 2007-12-28 | Pressure detection device for perfusion tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101334326A true CN101334326A (en) | 2008-12-31 |
| CN101334326B CN101334326B (en) | 2011-06-08 |
Family
ID=40197070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710306309 Expired - Fee Related CN101334326B (en) | 2007-06-28 | 2007-12-28 | Pressure detection device for perfusion tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101334326B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101766851B (en) * | 2009-12-31 | 2012-09-26 | 北京鑫禾丰医疗技术有限公司 | Transfusion system |
| CN103260671A (en) * | 2010-10-01 | 2013-08-21 | 泽维克斯公司 | Pressure sensor seal and method of use |
| CN105067175A (en) * | 2015-08-05 | 2015-11-18 | 广州科莱瑞迪医疗器材有限公司 | Contractility testing device and method |
| CN105352653A (en) * | 2015-11-20 | 2016-02-24 | 深圳影迈科技股份有限公司 | Infusion pump device |
| CN109708795A (en) * | 2019-01-10 | 2019-05-03 | 宁波天远五金有限公司 | A kind of omnipotent dynamometer |
| CN111289151A (en) * | 2020-02-25 | 2020-06-16 | 姜通渊 | Medical robot sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3838689C1 (en) * | 1988-11-15 | 1990-06-28 | Fresenius Ag, 6380 Bad Homburg, De | Method for the continuous measurement of the pressure in a flexible fluid line for medical purposes, as well as a device for carrying out the method |
| CN100451588C (en) * | 2003-01-30 | 2009-01-14 | 株式会社Jms | Pressure detector and pressure detection method |
-
2007
- 2007-12-28 CN CN 200710306309 patent/CN101334326B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101766851B (en) * | 2009-12-31 | 2012-09-26 | 北京鑫禾丰医疗技术有限公司 | Transfusion system |
| CN103260671A (en) * | 2010-10-01 | 2013-08-21 | 泽维克斯公司 | Pressure sensor seal and method of use |
| CN103260671B (en) * | 2010-10-01 | 2015-10-21 | 泽维克斯公司 | Pressure sensor seals and using method |
| CN105067175A (en) * | 2015-08-05 | 2015-11-18 | 广州科莱瑞迪医疗器材有限公司 | Contractility testing device and method |
| CN105352653A (en) * | 2015-11-20 | 2016-02-24 | 深圳影迈科技股份有限公司 | Infusion pump device |
| CN109708795A (en) * | 2019-01-10 | 2019-05-03 | 宁波天远五金有限公司 | A kind of omnipotent dynamometer |
| CN111289151A (en) * | 2020-02-25 | 2020-06-16 | 姜通渊 | Medical robot sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101334326B (en) | 2011-06-08 |
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Effective date of registration: 20160804 Address after: 100070, room 2, building 201, building 11B2, Fengtai District Science Town, Beijing Patentee after: Beijing Kefeng Dingcheng Asset Management Limited Address before: 100070 Fengtai Science City, Fengtai District Feng Feng Road, No. 4, No. Patentee before: Beijing Yian Medical System Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20161228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |