CN108309320A - A kind of blood-sampling method and device - Google Patents
A kind of blood-sampling method and device Download PDFInfo
- Publication number
- CN108309320A CN108309320A CN201711440545.4A CN201711440545A CN108309320A CN 108309320 A CN108309320 A CN 108309320A CN 201711440545 A CN201711440545 A CN 201711440545A CN 108309320 A CN108309320 A CN 108309320A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- blood sampling
- control
- sampling region
- hemostix
- 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.)
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Classifications
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
-
- 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
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
-
- 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
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Pain & Pain Management (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of negative pressure hemostix method and device, it is characterised in that：The second part of first part and control first part with contact blood sampling region and external negative pressure generating portion；First part connect with second part, and first part can detach implementation with second part and replace；First part front end is contacted with blood sampling region；External negative pressure generating portion, which generates negative pressure, to be made to generate negative pressure inside first part and by suction function in blood sampling region by second part；First part implements blood sampling under second part control.
Description
Technical field
The present invention is a kind of method and device of negative pressure hemostix, and oppressing blood sampling region using negative pressure realizes reduction blood sampling pain
The function of pain.
Background technology
The blood routine detection of general common diabetes glucose blood sugar monitoring and infant all use finger tip blood sampling point mode.
Finger tip Blood collection common at present is completed by needle thorn, and the needle of the blood sampling of bullet pin type and pediatric hospital that have diabetes patient is pricked
Formula is taken a blood sample.
Specific blood collection procedure is nameless using alcohol swab cleaning, then pierces through skin in the form of disposable needle bundle
Skin obtains finger tip blood.When paediatrics takes a blood sample to infant, blood is taken to expand wound with greater need for trigone needle-penetration skin.
Such Blood collection makes people nervous and causes severe pain, especially for needing to monitor blood glucose for a long time
Patient and infant can cause strong panic sense, while be also strong pain.
At present in terms of the pain for mitigating finger tip blood sampling, in terms of also resting on the wound face for reducing blood sampling, by tight
Lattice control the depth that blood taking needle penetrates to mitigate pain.But such method is only applicable to need frequently using finger tip blood sampling
Diabetic；For the infant of paediatrics, each blood routine examination is still and the trigone puncture thorn of very pain is needed to adopt
Blood.
And root is it was found that the main reason for causing pain in collecting is lacerated wound, finger tip lacerated wound is experienced by nerve endings to be passed
It leads, then transmits pain signal to people.On this Research foundation, sense of the nerve ending to finger tip wound is reduced or avoided
It answers, pain in collecting is reduced.
And by the study found that in blood collection procedure, will firmly be oppressed around blood sampling region, it can be to the biography of nerve ending
It leads and carries out interference obstruction, to realize that the pain of blood sampling reduces effect.And the principle of negative pressure is used, it can realize to blood sampling region week
The effective compressing enclosed to the obstructive also very good of nerve, and will not cause sequelae, can effectively reduce pain in collecting.
Invention content
The present invention mainly discloses a kind of method and device of negative pressure hemostix, can fast and effeciently utilize air negative pressure former
Around reason compressing blood sampling region, the feeling of pain of aculeus blood-taking is reduced, pediatric hospital blood sampling is can be used for, can be used for family's sugar
Urinate patient's blood sampling.
The negative pressure hemostix of the present invention, Principle of Process are the second part controls after hemostix is contacted with blood sampling region
Rear end negative pressure generating device processed starts to extract air, vacuum effect is generated in blood sampling region and front end contact portion, in atmospheric pressure
Around the lower hemostix fore-end compressing blood sampling region of effect, compressing effect, paralysis pain are formed to the nerve ending in region of taking a blood sample
Feel；Then, in suction function in blood sampling region, after so that blood sampling region is protruded, control plays needle pop-up, pierces through skin with adopting
Blood.
First part in apparatus of the present invention is replaceable consumptive material, usually injection molding cavity, and front end has sealing
Pad has good leakproofness and biocompatibility using silica gel, rubber flexible material；Internal cavity be fixed with play needle and
Needle triggering component is played, triggering can be pushed to play needle by external push rod；There is filtration fraction in first part rear end, using air-permeative filter material
（Filter paper, filter membrane etc.）, external contaminants is isolated and passes through first part.
Second part in apparatus of the present invention is hand-held control device, and structure design is to meet the shape of human body holding, interior
Portion's cavity sealing, front end can closely be connect with first part, form gastight channels；It is pushed away in the front end being connect with first part
Bar can pop up triggering first part bullet needle triggering component in push rod controller action lower push-rod；It is machinery inside push rod controller
Structure or electromagnetic structure are pushed push rod by by key control；There is second part negative pressure to generate controller, can control second part
Negative pressure generates controller and generates control signal arrival negative pressure generating device, forms negative pressure；Second part rear end is filled with external negative pressure
Connection is set, has negative pressure channel and circuit connecting section, negative pressure channel to conduct the underbalance effect of negative pressure generating device, circuit connection is used
Signal is controlled to transmit.
External negative pressure generating device in apparatus of the present invention, major function are to generate negative pressure.Before external negative pressure generating device
End has pipeline to be connect with second part, while having circuit to connect second part, and controller control is generated by second part negative pressure；Outside
Portion's negative pressure generating device is vacuum pump class formation, can detach air under motor effect, first is extracted by being tightly connected
Part second part inside cavity control, makes first part's forward end seal pad combine closely with blood sampling region, compressing blood sampling region
Around.
Advantage of the invention is that：
1, simple in structure, the implementation of air negative pressure principle is very simple, and the device of the invention principle is simple and clear, device
System reliability greatly improves；
2, using negative pressure pressuring nerve, pain in collecting can be largely reduced, reduces patient's pain；
3, the blood collection procedure that negative pressure is realized, can reduce the wound of aculeus blood-taking, and without any side effects.
Description of the drawings
Fig. 1 is a kind of negative pressure hemostix structure chart；
Fig. 2 is negative pressure hemostix front-end architecture figure.
Specific implementation mode
Illustrate the specific implementation mode of the present invention below in conjunction with the accompanying drawings；
A kind of negative pressure hemostix method and device that the present invention announces, it is characterised in that：
The second part of first part and control first part with contact blood sampling region and external negative pressure generating portion；
First part connect with second part, and first part can detach implementation with second part and replace；
First part front end is contacted with blood sampling region；
External negative pressure generating portion generate negative pressure by second part make to generate inside first part negative pressure and by suction function in
Blood sampling region；
First part implements blood sampling under second part control.
Blood sampling region 1 is human skin surface in of the invention；Forward end seal pad 2 contacts in of the invention with blood sampling region,
Under the action of negative pressure around compressing blood sampling region；First part inner cavity 3 has good leakproofness, and dress is generated in external negative pressure
Internal negative pressure effect is formed under the effect of setting；Needle 4 is played, after suction function to blood sampling region, needle is played and pierces out, pierce through blood sampling region skin
Skin；Needle control 5 is played, drawn stem pushes triggering to play needle pop-up；Needle rack 6 is played, needle 4 and bullet needle control 5 are played to fixed；Even
Connect control section 7, be to control the control section that connect with second part of first part, can load and unload load on the second portion with
Dismantle first part；Filtration fraction 8 is located at first part end, after first part connect with second part, is in first
Divide among second part, is the filter composite material that can filter the small solid of gas barrier, liquid particles, can stop
Pollutant has been effectively isolated first part and second part by first part；Push rod 9 is triggered, is by triggering push rod control unit
The push rod of sub-control can push under controller triggering and play needle control 5, and triggering plays needle 4 and pops up；Trigger push rod control section
10, it is the control section of control triggering push rod, uses the solenoid electric valve of circuit control here, can be pushed under by key control
Push rod；Second part inner cavity 11 is the internal cavity of sealing, is connected across filtration fraction between the internal cavity of first part
It connects, conduction vacuum effect to first part front end；External negative pressure generating device control section 12 is a control circuit, by by
The external negative pressure generating device of key control driving；Control button 13 is the control button of second part, control push rod controller and outer
Portion negative pressure generating device control section；Coupling part 14 includes the pipe of connection second part cavity and external negative pressure generating device
The coupling part in road and control circuit line；External negative pressure generating device 15 is generated by the external negative pressure that second part controls
Device extracts air in inside manufacture negative pressure under driving circuit with motor；
The specific negative pressure hemostix process of the device of the invention is as follows：
After blood sampling region 1 contact with first part forward end seal pad 2, the control button 13 of second part is pressed, is born outside control
Generating means control section 12 is pressed to generate control signal to external negative pressure generating device 15, external negative pressure generating device 15 starts work
Make, the air of second part inner cavity 11 is extracted by coupling part 14, since first part inner cavity 3 and second part inner cavity 11 are
Seal unicom, therefore in first part inner cavity will produce a prodigious air negative pressure, make first part's forward end seal pad 2 with
Blood sampling region 1 is in close contact, and forms the effect around negative pressure compressing blood sampling region 1, hinders effect to the conduction generation of nerve ending
Fruit；Then, triggering push rod control section 10 pushes push rod 9 under the control signal of control button 13, pushes and plays needle control 5,
It plays needle control 5 again and is popped up so that playing needle 4, pierce through the skin in blood sampling region 1, cause tearing wound to take a blood sample；It is then external
Negative pressure generating device 15 is closed, and blood sampling region 1 is detached from first part's forward end seal pad 2, and blood collection procedure is completed；Wherein, it connects
First part is controlled when control section 7 prepares before blood sampling to connect with second part, and first part is controlled after the completion of blood sampling
It is detached from second part, completes the replacement of consumptive material.
Claims (5)
1. a kind of negative pressure hemostix method and device, it is characterised in that：
The second part of first part and control first part with contact blood sampling region and external negative pressure generating portion；
First part connect with second part, and first part can detach implementation with second part and replace；
First part front end is contacted with blood sampling region；
External negative pressure generating portion generate negative pressure by second part make to generate inside first part negative pressure and by suction function in
Blood sampling region；
First part implements blood sampling under second part control.
2. a kind of negative pressure hemostix method and device according to claim 1, it is characterised in that：
The first part front end is gasket, and isolation air is in direct contact with target blood sampling region.
3. a kind of negative pressure hemostix method and device according to claim 1, it is characterised in that：
The first part end is filtration fraction, prevents pollutant from entering second part by first part.
4. a kind of negative pressure hemostix method and device according to claim 1, it is characterised in that：The second part passes through front end
Push rod control first part rear end trigger member is triggered, bullet needle is made to pop up；
It triggers push rod to be controlled by triggering push rod control section, the control section is mechanically or electrically magnetic device.
5. a kind of negative pressure hemostix method and device according to claim 1, it is characterised in that：
The second part has negative pressure controller, controls external negative pressure generating portion and generates negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440545.4A CN108309320A (en) | 2017-12-27 | 2017-12-27 | A kind of blood-sampling method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440545.4A CN108309320A (en) | 2017-12-27 | 2017-12-27 | A kind of blood-sampling method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108309320A true CN108309320A (en) | 2018-07-24 |
Family
ID=62893640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711440545.4A Pending CN108309320A (en) | 2017-12-27 | 2017-12-27 | A kind of blood-sampling method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108309320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646020A (en) * | 2019-02-28 | 2019-04-19 | 浙江大学台州研究院 | Press down pain peripheral blood sampling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2316657Y (en) * | 1998-01-13 | 1999-04-28 | 山东龙冠医疗用品有限公司 | Controllable hemostix |
| CN1460449A (en) * | 2003-06-18 | 2003-12-10 | 清华大学 | Automatic quantitative blood-taking pen |
| EP2187811B1 (en) * | 2007-08-14 | 2012-11-28 | Owen Mumford Limited | Lancing devices |
| CN104434136A (en) * | 2009-03-02 | 2015-03-25 | 第七感生物系统有限公司 | Devices for blood drawing |
| CN107212892A (en) * | 2016-03-22 | 2017-09-29 | 雷鸣 | A kind of vacuum assist hemostix |
-
2017
- 2017-12-27 CN CN201711440545.4A patent/CN108309320A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2316657Y (en) * | 1998-01-13 | 1999-04-28 | 山东龙冠医疗用品有限公司 | Controllable hemostix |
| CN1460449A (en) * | 2003-06-18 | 2003-12-10 | 清华大学 | Automatic quantitative blood-taking pen |
| EP2187811B1 (en) * | 2007-08-14 | 2012-11-28 | Owen Mumford Limited | Lancing devices |
| CN104434136A (en) * | 2009-03-02 | 2015-03-25 | 第七感生物系统有限公司 | Devices for blood drawing |
| CN107212892A (en) * | 2016-03-22 | 2017-09-29 | 雷鸣 | A kind of vacuum assist hemostix |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646020A (en) * | 2019-02-28 | 2019-04-19 | 浙江大学台州研究院 | Press down pain peripheral blood sampling device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180724 |
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| WD01 | Invention patent application deemed withdrawn after publication |