CN204484131U - A kind of negative pressure device with pressure display - Google Patents
A kind of negative pressure device with pressure display Download PDFInfo
- Publication number
- CN204484131U CN204484131U CN201520096031.1U CN201520096031U CN204484131U CN 204484131 U CN204484131 U CN 204484131U CN 201520096031 U CN201520096031 U CN 201520096031U CN 204484131 U CN204484131 U CN 204484131U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- hollow cavity
- pressure display
- display device
- aobvious
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- A61M1/0023—
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- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
- A61M1/732—Visual indicating means for vacuum pressure
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
- A61M1/734—Visual indicating means for flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150106—Means for reducing pain or discomfort applied before puncturing; desensitising the skin at the location where body is to be pierced
- A61B5/150145—Means for reducing pain or discomfort applied before puncturing; desensitising the skin at the location where body is to be pierced by negative pressure, e.g. suction, vacuum
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3327—Measuring
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Fluid Pressure (AREA)
- External Artificial Organs (AREA)
Abstract
The utility model discloses a kind of negative pressure device with pressure display, comprising inner chamber is the hollow cavity of negative pressure and the locking device being positioned at hollow cavity opening, is also provided with the negative pressure display device for showing vacuum magnitude in hollow cavity.The negative pressure device of this band pressure display is by being arranged on the negative pressure display device on hollow cavity inside or hollow cavity, the negative pressure condition in hollow cavity can be shown in real time, medical worker's Real Time Observation is facilitated whether to be in effective status to negative pressure device, can be beneficial to the nursing work load reducing medical worker, this utility model is used for negative pressure device field.
Description
Technical field
This utility model relates to a kind of negative pressure device, particularly relates to a kind of negative pressure device with pressure display.
Background technology
have multiple occasion to need to use negative pressure device to carry out sampling, treating clinically, but negative pressure device generally cannot pressure condition in judgment means with naked eyes, whether is in decompression or the excessive state of pressure.
Because the application scenario of negative pressure device is special, the negative pressure of device has direct impact to sampling amount and safety.Therefore, negative pressure device needs the function of the pressure in monitoring device or when device uses.
Common negative pressure device has vacuum test tube, depression drainage device, electric suction apparatus etc., and few part is equipment, mostly is disposable products.The negative pressure device of disposable product, capacity is often limited, and the negative pressure of general vacuum test tube generally only enough gathers 2 ~ 10ml blood, the general drainage-fluid also just gathering about 1000ml of negative pressure of depression drainage device.Electrical equipment sustainable suction, but because manometer is placed on main frame often, be also inconvenient to observe pressure condition during attraction.
Determine that these devices have collected the amount of liquid for convenience, be generally all provided with a graduation mark, but disposable negative pressure device shows without pressure substantially.For common disposal vacuum blood taking tube, only has one-sided row's scale, arrange by horizontal position, but clinical practice is often inclination 30 ~ 60 degree of angle blood drawings, mostly be miter angle, when the blood extracting respective volume, can not when drawing blood read level scale, again blood taking tube can only be erect, can be able to read from scale.Because blood taking tube length and scale marker spacing reason, degree of accuracy is generally 1.0ml, and the degree of accuracy of part blood taking tube even only has 2.0ml ~ 5.0ml, and actual blood flow volume deviation is larger, for reduce nursing staff repeat blood sampling, clinical often with excess blood sampling method with the requirement of satisfied inspection.
Vacuum test tube is made up of the device of body and closed tube substantially, and standing time is longer, and the probability of negative pressure minimizing or complete failure is higher, and in default of corresponding display device, clinical nursing staff can not judge that whether it is effective before using.During the clinical patient for child, neonate, gerontal patient, Critical illness or peripheral circulation deficiency, be often difficult to excess blood sampling, but the minimum requirements of inspection blood using amount need be met, at this moment need accurate blood sampling.Negative pressure device as misapplied negative pressure deficiency again causes blood sampling volume not enough, not only increases patient's misery, incurs loss through delay the workload checking and strengthen nursing staff, also can cause doctor-patient dispute in some cases.
Utility model content
For solving the problem, this utility model provides a kind of negative pressure device reducing the troublesome band pressure display of Clinical practice.
This utility model solves the technical scheme that its technical problem adopts:
With a negative pressure device for pressure display, comprising inner chamber is the hollow cavity of negative pressure and the locking device being positioned at hollow cavity opening, is also provided with the negative pressure display device for showing vacuum magnitude in hollow cavity.
Be further used as the improvement of technical solutions of the utility model, hollow cavity is transparent exterior, and the outer wall of hollow cavity is provided with inclination explicit identification and at least one graduation mark.
Be further used as the improvement of technical solutions of the utility model, graduation mark comprises horizontal scale line and inclined scale line.
Be further used as the improvement of technical solutions of the utility model, negative pressure display device is the aobvious laminate be suspended in hollow cavity, shows laminate inner hollow and precharge of gas, and aobvious laminate is out of shape with the change of negative pressure in hollow cavity.
Be further used as the improvement of technical solutions of the utility model, aobvious laminate be adopt elastomeric material make spherical.
Be further used as the improvement of technical solutions of the utility model, the outer wall of hollow cavity is provided with aobvious depressor installing port, is provided with aobvious pressure device holder in aobvious depressor installing port, and negative pressure display device is fixed in aobvious depressor installing port by aobvious pressure device holder.
Be further used as the improvement of technical solutions of the utility model, negative pressure display device is the elastomer that thickness is thinner than hollow cavity outer wall, and negative pressure display device shrinks with the change of negative pressure in hollow cavity.
Be further used as the improvement of technical solutions of the utility model, negative pressure display device is arranged at the top of hollow cavity outer wall, negative pressure display device and hollow cavity integral production, negative pressure display device is the elastomer that thickness is thinner than hollow cavity outer wall, negative pressure display device shrinks with the change of negative pressure in hollow cavity, and the top that hollow cavity inwall is positioned at negative pressure display device is provided with negative pressure display scale line.
Be further used as the improvement of technical solutions of the utility model, the surrounding being positioned at negative pressure display device outside hollow cavity is provided with around reinforcement.
The beneficial effects of the utility model: the negative pressure device of this band pressure display is by being arranged on the negative pressure display device on hollow cavity inside or hollow cavity, the negative pressure condition in hollow cavity can be shown in real time, facilitate medical worker's Real Time Observation whether to be in effective status to negative pressure device, the nursing work load reducing medical worker can be beneficial to.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is this utility model first embodiment decompression stated integer structural representation;
Fig. 2 is this utility model first embodiment negative pressure state overall structure schematic diagram;
Fig. 3 is this utility model second embodiment overall structure schematic diagram when not installing negative pressure display device;
Fig. 4 is this utility model second embodiment decompression stated integer structural representation;
Fig. 5 is this utility model second embodiment negative pressure state overall structure schematic diagram;
Fig. 6 is this utility model the 3rd embodiment negative pressure state overall structure schematic diagram;
Fig. 7 is this utility model the 3rd embodiment decompression stated integer structural representation;
Heeling condition structural representation when Fig. 8 is the use of this utility model embodiment.
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 8, this utility model is a kind of negative pressure device with pressure display, and comprising inner chamber is the hollow cavity 1 of negative pressure and the locking device being positioned at hollow cavity 1 opening, is also provided with the negative pressure display device for showing vacuum magnitude in hollow cavity 1.
The negative pressure device of this band pressure display is by being arranged on the negative pressure display device on hollow cavity 1 inside or hollow cavity 1, the negative pressure condition in hollow cavity 1 can be shown in real time, facilitate medical worker's Real Time Observation whether to be in effective status to negative pressure device, the nursing work load reducing medical worker can be beneficial to.
As this utility model preferred embodiment, hollow cavity 1 is transparent exterior, and the outer wall of hollow cavity 1 is provided with inclination explicit identification 4 and at least one graduation mark 3.
As this utility model preferred embodiment, graduation mark 3 comprises horizontal scale line and inclined scale line.
The outer wall of hollow cavity 1 is provided with inclination explicit identification 4 and at least one inclined scale line, because negative pressure device is when carrying out the operations such as liquid acquisition, often tilt to use, the setting of inclination explicit identification 4 and inclined scale line can conveniently when negative pressure device uses, the liquid capacity collected in real-time monitored to hollow cavity 1, effectively can improve the precision of liquid acquisition.
As this utility model preferred embodiment, locking device comprises and is positioned at the sealing-plug 11 of hollow cavity 1 opening part and the outer housing 12 of fixing seal plug 11.
The mode that the opening of hollow cavity 1 adopts sealing-plug 11 and outer housing 12 to combine is fixed sealing, can improve the reliability of fixing seal.
As this utility model preferred embodiment, negative pressure display device is the aobvious laminate 5 be suspended in hollow cavity 1, shows laminate 5 inner hollow and precharge of gas, and aobvious laminate 5 is out of shape with the change of negative pressure in hollow cavity 1.
As this utility model preferred embodiment, aobvious laminate 5 is spherical for what adopt elastomeric material to make.
As this utility model preferred embodiment, the outer wall of hollow cavity 1 is provided with aobvious depressor installing port 13, is provided with aobvious pressure device holder 14 in aobvious depressor installing port 13, and negative pressure display device is fixed in aobvious depressor installing port 13 by aobvious pressure device holder 14.
As this utility model preferred embodiment, negative pressure display device is the elastomer that thickness is thinner than hollow cavity 1 outer wall, and negative pressure display device shrinks with the change of negative pressure in hollow cavity 1.
As this utility model preferred embodiment, negative pressure display device is arranged at the top of hollow cavity 1 outer wall, negative pressure display device and hollow cavity 1 integral production, negative pressure display device is the elastomer that thickness is thinner than hollow cavity 1 outer wall, negative pressure display device shrinks with the change of negative pressure in hollow cavity 1, and the top that hollow cavity 1 inwall is positioned at negative pressure display device is provided with negative pressure display scale line 15.
As this utility model preferred embodiment, the surrounding being positioned at negative pressure display device outside hollow cavity 1 is provided with around reinforcement 16.
Negative pressure display device describes above three kinds of concrete embodiments in this utility model embodiment, three kinds of embodiments realize respectively by being arranged on by negative pressure display device in hollow cavity 1 or on hollow cavity 1, but enforcement of the present utility model is not limited to above three kinds of ways of realization.
In the first embodiment, negative pressure display device realizes by being arranged on the spherical aobvious laminate 5 adopting elastomeric material to make in hollow cavity 1, gassy in aobvious laminate 5, when being in normal negative pressure state in hollow cavity 1, spherical aobvious laminate 5 is oppressed, be in compressed state, reduce with the negative pressure in hollow cavity 1, spherical aobvious laminate 5 progressively replys normal condition, medical worker according to spherical aobvious laminate 5 by the size of decrement, can judge the negative pressure condition in hollow cavity 1.
Second with in the third embodiment, negative pressure display device is arranged on the outer wall of hollow cavity 1, the thickness of negative pressure display device is less than the thickness of hollow cavity 1 outer wall, by the impact of negative pressure in hollow cavity 1, when being normal negative pressure in hollow cavity 1, negative pressure display device to hollow cavity 1 internal projection, in hollow cavity 1 during decompression, negative pressure display device is in normal contraction state, concordant with hollow cavity 1 inwall.The negative pressure display scale line 15 be arranged in hollow cavity 1 above negative pressure display device correspondingly can observe negative pressure display device to the projection amount in hollow cavity 1.
Negative pressure display device is fixed by aobvious pressure device holder 14, or direct and hollow cavity 1 integral production forms, the negative pressure device of integral production, hollow cavity 1 outer wall arranges the circle reinforcement 16 around negative pressure display device, prevent hollow cavity 1 body wall of negative pressure display device periphery to be out of shape together with negative pressure display device, affect pressure measxurement accuracy
Certainly, this utility model is created and is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to this utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (9)
1. the negative pressure device with pressure display, it is characterized in that: comprising hollow cavity (1) that inner chamber is negative pressure and be positioned at the locking device of described hollow cavity (1) opening, being also provided with the negative pressure display device for showing described hollow cavity (1) interior vacuum magnitude.
2. the negative pressure device of band pressure display according to claim 1, it is characterized in that: described hollow cavity (1) is transparent exterior, the outer wall of described hollow cavity (1) is provided with inclination explicit identification (4) and at least one graduation mark (3).
3. the negative pressure device of band pressure display according to claim 2, is characterized in that: described graduation mark (3) comprises horizontal scale line and inclined scale line.
4. according to the negative pressure device of the band pressure display in claims 1 to 3 described in any one, it is characterized in that: described negative pressure display device is for being suspended in the aobvious laminate (5) in hollow cavity (1), described aobvious laminate (5) inner hollow and precharge of gas, described aobvious laminate (5) is out of shape with the change of hollow cavity (1) interior negative pressure.
5. the negative pressure device of band pressure display according to claim 4, is characterized in that: described aobvious laminate (5) is spherical for what adopt elastomeric material to make.
6. according to the negative pressure device of the band pressure display in claims 1 to 3 described in any one, it is characterized in that: the outer wall of described hollow cavity (1) is provided with aobvious depressor installing port (13), be provided with aobvious pressure device holder (14) in described aobvious depressor installing port (13), described negative pressure display device is fixed in aobvious depressor installing port (13) by aobvious pressure device holder (14).
7. the negative pressure device of band pressure display according to claim 6, is characterized in that: described negative pressure display device is the elastomer that thickness is thinner than hollow cavity (1) outer wall, and described negative pressure display device shrinks with the change of hollow cavity (1) interior negative pressure.
8. according to the negative pressure device of the band pressure display in claims 1 to 3 described in any one, it is characterized in that: described negative pressure display device is arranged at the top of hollow cavity (1) outer wall, described negative pressure display device and hollow cavity (1) integral production, described negative pressure display device is the elastomer that thickness is thinner than hollow cavity (1) outer wall, described negative pressure display device shrinks with the change of hollow cavity (1) interior negative pressure, and the top that described hollow cavity (1) inwall is positioned at negative pressure display device is provided with negative pressure display scale line (15).
9. the negative pressure device of band pressure display according to claim 8, is characterized in that: the surrounding being positioned at negative pressure display device outside described hollow cavity (1) is provided with around reinforcement (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520096031.1U CN204484131U (en) | 2014-12-11 | 2015-02-09 | A kind of negative pressure device with pressure display |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752166 | 2014-12-11 | ||
| CN2014107521669 | 2014-12-11 | ||
| CN201520096031.1U CN204484131U (en) | 2014-12-11 | 2015-02-09 | A kind of negative pressure device with pressure display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204484131U true CN204484131U (en) | 2015-07-22 |
Family
ID=53336114
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510069976.9A Pending CN104688246A (en) | 2014-12-11 | 2015-02-09 | Negative-pressure device with pressure display function |
| CN201520096031.1U Expired - Fee Related CN204484131U (en) | 2014-12-11 | 2015-02-09 | A kind of negative pressure device with pressure display |
| CN201520994777.4U Expired - Fee Related CN205338969U (en) | 2014-12-11 | 2015-12-06 | Vacuum device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510069976.9A Pending CN104688246A (en) | 2014-12-11 | 2015-02-09 | Negative-pressure device with pressure display function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520994777.4U Expired - Fee Related CN205338969U (en) | 2014-12-11 | 2015-12-06 | Vacuum device |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN104688246A (en) |
| TW (1) | TW201620575A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016091129A1 (en) * | 2014-12-11 | 2016-06-16 | 胡绍勤 | Negative-pressure device having pressure display function |
| CN105962953A (en) * | 2015-12-06 | 2016-09-28 | 胡绍勤 | Negative pressure device |
| CN105962954A (en) * | 2015-06-26 | 2016-09-28 | 胡绍勤 | Negative pressure device with pressure display |
| CN112006694A (en) * | 2020-09-28 | 2020-12-01 | 嘉检(广州)生物工程技术有限公司 | Vacuum blood sampling device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921197B (en) * | 2016-06-21 | 2018-11-02 | 长江大学 | A kind of multi-scale centrifuge tube for phase separation |
-
2015
- 2015-02-09 CN CN201510069976.9A patent/CN104688246A/en active Pending
- 2015-02-09 CN CN201520096031.1U patent/CN204484131U/en not_active Expired - Fee Related
- 2015-07-09 TW TW104122337A patent/TW201620575A/en unknown
- 2015-12-06 CN CN201520994777.4U patent/CN205338969U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016091129A1 (en) * | 2014-12-11 | 2016-06-16 | 胡绍勤 | Negative-pressure device having pressure display function |
| CN105962954A (en) * | 2015-06-26 | 2016-09-28 | 胡绍勤 | Negative pressure device with pressure display |
| CN105962953A (en) * | 2015-12-06 | 2016-09-28 | 胡绍勤 | Negative pressure device |
| CN112006694A (en) * | 2020-09-28 | 2020-12-01 | 嘉检(广州)生物工程技术有限公司 | Vacuum blood sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205338969U (en) | 2016-06-29 |
| TW201620575A (en) | 2016-06-16 |
| CN104688246A (en) | 2015-06-10 |
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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 |
Granted publication date: 20150722 Termination date: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |