CN105832347B - The micro blood glucose hemostix of self-action - Google Patents
The micro blood glucose hemostix of self-action Download PDFInfo
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- CN105832347B CN105832347B CN201610304003.3A CN201610304003A CN105832347B CN 105832347 B CN105832347 B CN 105832347B CN 201610304003 A CN201610304003 A CN 201610304003A CN 105832347 B CN105832347 B CN 105832347B
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- taking needle
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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
- A61B5/151—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
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
-
- 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
-
- 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
- A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
- A61B5/15117—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
-
- 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
- A61B5/15146—Devices loaded with multiple lancets simultaneously, e.g. for serial firing without reloading, for example by use of stocking means.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The inside of the micro blood glucose hemostix of self-action of the present invention, including shell, rotating bar and upper cover, shell is the channel shaped cavities for placing blood taking needle, is characterized in that：The both side plate that blood taking needle is clamped is provided in channel shaped cavities along its length, the rear end of channel shaped cavities is provided with the push spring in the blood taking needle push-in through-hole by front end, two gag lever posts are provided in through-hole, gag lever post supports it by the cooperation realization stupefied with both sides on blood taking needle；It is provided with pressing on shell above through-hole, so that blood taking needle is moved downward along through-hole by pressing pressing, realizes the puncture of blood taking needle and using the release for finishing blood taking needle.The micro blood glucose hemostix of self-action of the present invention can make blood taking needle pressure holding in the blood sampling site of patient（Such as finger, ear-lobe）, realize aculeus blood-taking, it is simple and reasonable, it can be achieved that blood taking needle continuous use, and can avoid blood taking needle unexpected injury is caused to medical staff, advantageous effect is notable, is suitable for the application of popularization.
Description
Technical field
The present invention relates to a kind of micro blood glucose hemostixes of self-action, more specifically, more particularly to a kind of achievable existing
The micro blood glucose hemostix of self-action continuously used safely of disposable retraction type blood taking needle.
Background technology
Injury from sharp utensil is medical worker in daily diagnosis and nursing operating process, because being not intended to by certain sharp instrument（Such as blade, needle
Head, sewing needle etc.）Damage make skin injury or bleeding and caused by injure.It is that clinical staff is faced most that needle, which is stabbed,
One of serious occupational hazards.In sharp instrument with blood, there are a large amount of blood borne disease factors, are hematogenous infectious disease infection
One of risk sources.What is be confirmed at present can mainly have by the pathogen that injury from sharp utensil approach infects medical worker more than 20
Kind, such as hepatitis type B virus, AIDS virus and Hepatitis C Virus.According to the professional safety and health research institute in the U.S., English
The national healthcare service system of state reports that the whole world has 400,000 medical workers that injury from sharp utensil occurs every year, is caused to medical worker's health
Grave danger.And in China, the developed countries such as oneself far super America and Europe of this threat degree.In addition, for economics point, it can band
Carry out the waste of very big economic loss and health resources.Therefore implement effective safeguard procedures, avoid needle from stabbing, can efficiently reduce
The harm of medical staff's occupational exposure.There is great social effect to the physical and mental health for protecting medical worker.
In the gatherer process of blood, ending blood taking needle frequency of use is higher, for diabetic, needs
The variation of periodic monitor glucose will frequently have an acupuncture treatment acquisition patient refer to, toe-end, the peripheral blood at the positions such as ear-lobe.In order to keep away
Medical staff's generation needle is stabbed when exempting from acupuncture treatment acquisition blood, the disposable retraction type blood taking needle of generally use（Also known as disposable end
Tip blood taking needle）.Such as the patent document of Patent No. CN02286472.5, a kind of adjustable safety automatic blood-taking needle, needle are disclosed
After head is minimally invasive to generation at patient's blood sampling, syringe needle auto retractable had not only reduced the pain of patient, but also effectively prevented to medical care
The injury of personnel.
However, since disposable retraction type blood taking needle frequency of use is high, the blood sampling site of patient is needed according to practical feelings
Condition is chosen, and refers to toe-end as chosen, when patient's agitation fully cannot fix blood sampling site, using disposable retraction type blood sampling stylus
It easily accidentally stabs operator and fixes and use finger.When the finger of patient, toe-end cannot carry out blood collection, it is sometimes desirable to acquire at ear-lobe
Blood be extremely susceptible to the situation that syringe needle stabs medical staff across ear-lobe if the ear-lobe of patient is relatively thin, increase
Blood borne disease propagates risk.There is presently no a kind of automatic apparatus, and medical staff can be made to take a blood sample using disposable retraction type
It escapes injury when needle.
Invention content
The shortcomings that present invention is in order to overcome above-mentioned technical problem provides a kind of micro blood glucose hemostix of self-action.
The micro blood glucose hemostix of self-action of the present invention, including shell, rotating bar and upper cover, the inside of shell are to place one
The channel shaped cavities of secondary property retraction type blood taking needle, the both sides at the top of blood taking needle are both provided with that side is stupefied, and upper cover, rotating bar are hingedly connected to shell
The upper and lower part of body rear end, upper cover realize the sealing to channel shaped cavities；It is characterized in that：In the channel shaped cavities along its length
It is provided with the both side plate that blood taking needle is clamped, each side plate is fixed on by multiple first thrust springs on the side wall of channel shaped cavities,
The front end of channel shaped cavities offers the through-hole penetrated through downwards, and backing plate is fixed in the rotating bar below through-hole；The rear end of channel shaped cavities is set
It is equipped with the push spring being pushed into the blood taking needle of front end in through-hole, two gag lever posts, the front end of two gag lever posts are provided in through-hole
Be connected by tension spring, the rear end of each gag lever post is fixed on by the second thrust spring on side wall, gag lever post by with adopt
The cooperation realization that both sides are stupefied on blood needle supports it；It is provided with pressing on shell above through-hole, makes blood sampling by pressing pressing
Needle moves downward along through-hole, realizes the puncture of blood taking needle and using the release for finishing blood taking needle.
The micro blood glucose hemostix of self-action of the present invention, the upper/lower terminal of the pressing be respectively fixed with arc pressuring plate and
Limited block is provided on shell and is located in through-hole with the matched through-hole of pressing, limited block, and arc pressuring plate is located at the outer of shell
Portion.
The micro blood glucose hemostix of self-action of the present invention, the side plate is formed by connecting by curved portion and riser, curved portion with
Riser junction is provided with and the stupefied matched boss in side on blood taking needle.
The micro blood glucose hemostix of self-action of the present invention, two gag lever post is the swallow-tail form being open towards blood taking needle, with
Just the blood taking needle of front end enters between two gag lever posts.
The micro blood glucose hemostix of self-action of the present invention, the height of two gag lever post are less than the height of side plate convex platform,
So that the bottom end of the blood taking needle on two gag lever posts is exposed to through-hole.
The micro blood glucose hemostix of self-action of the present invention, the blood taking needle is by shell, elastic clip, needle stand, push away hair device and hair
Projectile spring forms, and the top of elastic clip is provided with the hook limited to needle stand, and the lower end of needle stand is fixed with syringe needle, and transmitting spring is set
It is placed in the upper end of needle stand, due to generating thrust to needle stand；Push away hair device is set to the lower part of elastic clip, and the top of push away hair device is and bullet
Property the matched lozenges of folder, the lower end of shell is provided with the block for avoiding syringe needle from malfunctioning.
The beneficial effects of the invention are as follows：The micro blood glucose hemostix of self-action of the present invention, by by several disposable retractions
Formula blood taking needle is loaded into the channel shaped cavities of shell, and by the promotion of push spring, realizes the continuous use of blood taking needle；Pass through
Two gag lever posts are set in through-holes, the top setting pressing of through-hole can make by pressing to the pressure into blood taking needle in through-hole
Blood taking needle is pressed in the blood sampling site of patient（Such as finger）, realize aculeus blood-taking；Meanwhile by firmly pushing pressing, can enable makes
It is released from through-hole with the blood taking needle finished, so that next blood taking needle enters in through-hole, is used with carrying out side blood sampling next time.This
The micro blood glucose hemostix of self-action of invention, it is simple and reasonable, it can be achieved that blood taking needle continuous use, and can avoid blood taking needle
Unexpected injury is caused to medical staff, advantageous effect is notable, is suitable for the application of popularization.
Description of the drawings
Fig. 1 is the front view of existing disposable retraction type blood taking needle；
Fig. 2 is the sectional view of existing disposable retraction type blood taking needle；
Fig. 3 is the structural schematic diagram of the micro blood glucose hemostix of self-action of the present invention；
Fig. 4 is the structural schematic diagram at middle casing position of the present invention；
Fig. 5 is the cross-sectional view of middle casing of the present invention；
Fig. 6 is gag lever post and the matched structural schematic diagram of blood taking needle in the present invention；
Fig. 7 is the structural schematic diagram at middle press pin position of the present invention；
Fig. 8, Fig. 9 and Figure 10 are the use principle figure of the micro blood glucose hemostix of self-action of the present invention.
In figure：1 shell, 2 elastic clips, 3 hooks, 4 needle stands, 5 syringe needles, 6 push away hair devices, 7 adjust head, and 8 blocks, 9 emit springs,
10 head covers, 11 sides are stupefied；12 blood taking needles, 13 shells, 14 rotating bars, 15 upper covers, 16 backing plates, 17 channel shaped cavities, 18 push springs, 19 push away
Plate, 20 side plates, 21 through-holes, 22 gag lever posts, 23 first thrust springs, 24 second thrust springs, 25 tension springs, 26 pressings, 27 rubber
Pad, 28 curved portions, 29 boss, 30 risers, 31 arc pressuring plates, 32 return springs, 33 limited blocks, 34 blood sampling sites.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the front view and sectional view for giving existing disposable retraction type blood taking needle, by shell
1, head cover 10, elastic clip 2, needle stand 4, syringe needle 5, push away hair device 6, adjusting head 7, block 8, transmitting spring 9 form, the inside of shell 1
For cavity, head cover 10 is set to the top of shell 1, and the both sides of head cover 10 protrude from the surface formation side stupefied 11 of shell 1.Elastic clip
2 and push away hair device 6 be set in turn in the upper and lower parts of 1 internal cavities of shell, the lower end of elastic clip 2 is provided with the hook limited to needle stand 4
Son 3, transmitting spring 9 are set to the top of needle stand 4, after the hook 3 on elastic clip 1 is detached from needle stand 4, in transmitting spring 9
Needle stand 4 can be projected under effect.
Syringe needle 5 is fixed on the top of needle stand 4, the blood sampling site 34 for needle thorn patient.The upper end of shown push away hair device 6 is arranged
Have with 2 matched wedge-shaped part of elastic clip, adjust head 7 and be set to the lower part of push away hair device 6, adjust head 7 outer surface be provided with
6 matched external screw thread of push away hair device adjusts the depth of needling that syringe needle 5 can be changed in head 7 by rotation.It is adopted with patient when adjusting head 7
When blood part is in contact, under the effect of external force, push away hair device 6 can be driven to be moved towards elastic clip 2, and elastic clip 2 is open-top outward,
Needle stand 4 sends out and makes 5 aculeus blood-taking position 34 of syringe needle, and then syringe needle 5 bounces back, and realizes blood samples of patients acquisition.
As shown in Figure 3 and Figure 4, structural schematic diagram, the shell of the micro blood glucose hemostix of self-action of the present invention is set forth
The structural schematic diagram of body region, shown in the micro blood glucose hemostix of self-action by shell 13, rotating bar 14, upper cover 15, backing plate 16,
Side plate 20, gag lever post 22 and pressing 26 form, and the inside of shown shell 13 is the channel shaped cavities 17 for placing blood taking needle 12, channel shaped cavities 17
Front end be provided with the through-hole 21 of downwardly facing opening.Upper cover 15, rotating bar 14 are hingedly connected to the upper and lower part of 13 rear end of shell,
Upper cover 15 realizes that the sealing function to channel shaped cavities 17, rotating bar 14 are fixedly arranged at the front end with backing plate 16, and backing plate 16 is located on shell 13
The lower section of through-hole 21 is provided with the rubber pad 27 supported to blood sampling site 34 on backing plate 16.
Shown in both side plate 20 be arranged along its length in channel shaped cavities 17, each side plate 20 is pushed away by multiple first
Power spring 23 is fixed on the inside of channel shaped cavities 17, and the clamping to blood taking needle 12 can be realized in such both side plate 20, to adapt to not
With the blood taking needle 12 of width.Push spring 18 is set to the rear end of channel shaped cavities 17, and push spring 18 is fixedly arranged at the front end with push plate 19,
Under the action of push spring 18, it can make the blood taking needle 12 in channel shaped cavities 17 that there is the trend to travel forward.
Blood taking needle 12 positioned at front end is pushed into through-hole 21, and two gag lever posts 22, two gag lever posts are provided in through-hole 21
22 front end is connected by tension spring 25, and the rear end of each gag lever post is connected to the inner wall of shell 13 by the second thrust spring 24
On, such as Fig. 6, gag lever post and the matched structural schematic diagram of blood taking needle in the present invention are given, two gag lever posts 22 and blood sampling are passed through
The cooperation of both sides stupefied 11, has effectively achieved the position-limiting action to blood taking needle 12 on needle 12.The height of gag lever post 22 is less than side plate
20 height, the lower end to enter the blood taking needle 12 in through-hole 21 is exposed from through-hole 21, to remove 12 lower end of blood taking needle
Block 8.
As shown in figure 5, giving the cross-sectional view of middle casing of the present invention, shown side plate 20 is by curved portion 28 and riser
30 form, and the curved portion 28 on both side plate 20 can be loaded into both side plate towards outer incline so as to the blood taking needle 12 of different in width
Between 20, keep its scope of application more extensive.Junction between shown curved portion 28 and riser 30 is boss 29, and boss 29 is used
It is matched in the side stupefied 11 with 12 both sides of blood taking needle.
Be provided with pressing 26 on the shell 13 of the top of shown through-hole 21, offered on shell 13 convenient for pressing 26 by it is logical
The lower end in hole, pressing 26 is fixed with limited block 33, and upper end is fixed with arc pressuring plate 31.It is arranged between arc pressuring plate 31 and shell 13
There is return spring 32, under the action of return spring 32, pressing 26 can be made to be in outwardly directed state always.
As shown in Fig. 8, Fig. 9 and Figure 10, the use principle figure of the micro blood glucose hemostix of self-action of the present invention is given,
Using steps are as follows：
Upper cover 15 is turned over, between blood taking needle 12 is put into both side plate 20, and push bullet is compressed backward using blood taking needle 12
Spring 18, to fill blood taking needle 12 in channel shaped cavities 17；Under the thrust of push spring 18, the blood taking needle 12 of front end into
Enter through-hole 21 and lower end is exposed.As shown in Figure 8, in use, medical staff first will be under the blood taking needle 12 that through-hole 21 exposes
The block 8 at end removes, so that retraction type needle motion can occur for the blood taking needle in through-hole 21.
Then, the blood sampling site of patient 34 is positioned on the rubber pad 27 on backing plate 16, finger is such as positioned over rubber
Between pad 27 and through-hole 21；Then pressing 26 is gently pressed, the syringe needle 5 in blood taking needle 12, which is sent out, stabs blood sampling site 34, such as Fig. 9 institutes
Show, gives the structural schematic diagram that syringe needle 5 lunges blood sampling site 34.Syringe needle bounces back immediately after being pierced into, in order to avoid cause secondary injury.
Finally, entire hemostix is removed from patient's blood sampling site 34, and rotation is rotated to the direction far from shell 13
Bar 14, so that backing plate 16 is far from through-hole 21.Firmly press down on pressing 26 makes so that blood taking needle 12 is separated with gag lever post 22
It will be released from through-hole 21 with the blood taking needle 12 finished, as shown in Figure 10, effect of the adjacent blood taking needle 12 in push spring 18
It is lower to enter in through-hole 21, it is used to carry out blood sampling next time.
Claims (6)
1. a kind of micro blood glucose hemostix of self-action, including shell（13）, rotating bar（14）And upper cover（15）, the inside of shell is
Place disposable retraction type blood taking needle（12）Channel shaped cavities（17）, it is stupefied that the both sides at the top of blood taking needle are both provided with side（11）, upper cover,
Rotating bar is hingedly connected to the upper and lower part of housing rear end, and upper cover realizes the sealing to channel shaped cavities；It is characterized in that：The slot
It is provided with along its length to blood taking needle in shape chamber（12）The both side plate of clamping（20）, each side plate passes through multiple first thrusts
Spring（23）It is fixed on the side wall of channel shaped cavities, the front end of channel shaped cavities offers the first through hole penetrated through downwards（21）, first is logical
It is fixed with backing plate in rotating bar below hole（16）；The rear end of channel shaped cavities is provided with is pushed into first through hole by the blood taking needle of front end
In push spring（18）, two gag lever posts are provided in first through hole（22）, the front end of two gag lever posts passes through tension spring（25）It is connected
It connects, the rear end of each gag lever post passes through the second thrust spring（24）It is fixed on side wall, gag lever post is by on blood taking needle two
The stupefied cooperation realization in side supports it；It is provided with pressing on shell above first through hole（26）, make blood sampling by pressing pressing
Needle moves downward along first through hole, realizes the puncture of blood taking needle and using the release for finishing blood taking needle.
2. the micro blood glucose hemostix of self-action according to claim 1, it is characterised in that：The pressing（26）It is upper and lower
Both ends are respectively fixed with arc pressuring plate（31）And limited block（33）, it is provided on shell and matched second through-hole of pressing, limit
Position block is located at first through hole（21）In, arc pressuring plate is located at the outside of shell.
3. the micro blood glucose hemostix of self-action according to claim 1 or 2, it is characterised in that：The side plate（20）By arc
Shape portion（28）And riser（30）It is formed by connecting, curved portion is provided with stupefied with the side on blood taking needle with riser junction（11）It matches
Boss（29）.
4. the micro blood glucose hemostix of self-action according to claim 1 or 2, it is characterised in that：Two gag lever post（22）
For the swallow-tail form being open towards blood taking needle, so as to the blood taking needle of front end（12）Into between two gag lever posts.
5. the micro blood glucose hemostix of self-action according to claim 3, it is characterised in that：Two gag lever post（22）Height
Degree is less than side plate（20）Convex platform（29）Height, so as to the blood taking needle on two gag lever posts（12）Bottom end be exposed to first
Through-hole（21）.
6. the micro blood glucose hemostix of self-action according to claim 1 or 2, it is characterised in that：The blood taking needle（12）By
Shell（1）, elastic clip（2）, needle stand（4）, push away hair device（6）With transmitting spring（9）Composition, the top of elastic clip is provided with to needle stand
The hook of limit（3）, the lower end of needle stand is fixed with syringe needle, emits the upper end that spring is set to needle stand, for being pushed away to needle stand generation
Power；Push away hair device is set to the lower part of elastic clip, the top of push away hair device be with the matched lozenges of elastic clip, the lower end of shell is set
It is equipped with the block for avoiding syringe needle from malfunctioning（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304003.3A CN105832347B (en) | 2016-05-10 | 2016-05-10 | The micro blood glucose hemostix of self-action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304003.3A CN105832347B (en) | 2016-05-10 | 2016-05-10 | The micro blood glucose hemostix of self-action |
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| Publication Number | Publication Date |
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| CN105832347A CN105832347A (en) | 2016-08-10 |
| CN105832347B true CN105832347B (en) | 2018-08-21 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7708702B2 (en) * | 2006-01-26 | 2010-05-04 | Roche Diagnostics Operations, Inc. | Stack magazine system |
| CN203815472U (en) * | 2014-04-24 | 2014-09-10 | 张越峰 | Gun-type integrated glucometer |
| CN104792994B (en) * | 2015-03-14 | 2017-06-20 | 深圳市贝沃德克生物技术研究院有限公司 | Integral continuous blood glucose meter based on Blood sugar management |
| CN204683616U (en) * | 2015-04-21 | 2015-10-07 | 中国人民解放军第四军医大学 | A kind of safe blood-taking needle for blood-glucose meter |
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