CN103300868A - Blood sampling device with buffer device - Google Patents
Blood sampling device with buffer device Download PDFInfo
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- CN103300868A CN103300868A CN2013102721077A CN201310272107A CN103300868A CN 103300868 A CN103300868 A CN 103300868A CN 2013102721077 A CN2013102721077 A CN 2013102721077A CN 201310272107 A CN201310272107 A CN 201310272107A CN 103300868 A CN103300868 A CN 103300868A
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- blood
- housing
- emission element
- block
- taking device
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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
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
- A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
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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
- A61B5/150007—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
-
- 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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- 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
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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
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/1519—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for propelling the piercing unit
-
- 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
- A61B5/150381—Design of piercing elements
- A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
Abstract
The invention relates to a blood sampling device with a buffer device, which includes a casing, an emitting part, and a trigger device between the casing and the emitting part, wherein a stop dog is arranged on the inner side of the casing in the emitting direction of the emitting part; a stop dog matched with the stop dog on the inner side of the casing is arranged on the emitting part; the stop dog on the inner side of the casing and the stop dog at the emitting part form a spacing device; at least one spacing device is arranged in the blood sampling device; an elastic part is arranged inside the casing, and provides emitting power, and the two ends of the elastic part are propped against the casing and the emitting part respectively when the elastic part is compressed; a blood sampling needle is mounted at the head of the emitting part, or is integrated with the emitting part; the buffer device is arranged in the at least one spacing device, and is arranged between the stop dog on the inner side of the casing and the stop dog of the emitting part, matched with the stop dog on the inner side of the casing. The blood sampling device has a simple structure, is easy to popularize and alleviates pain as shaking caused by the peripheral expansion of the head of the blood sampling needle positioned at the skin of the human body in case of instant stop is reduced through a damping material.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of blood-taking device with buffer unit.
Background technology
Use the blood taking needle skin puncture, the behavior of obtaining blood sample remains the standard method of foreseeable future, because take the additive method of blood sample not yet to prove its superiority (for example using laser technology).Avoid the additive method of complete otch also not yet to obtain the approval (for example Wicresoft's Dynamic Blood Glucose Monitoring) in market, perhaps not yet represent its technical feasibility (for example Woundless blood sugar monitoring).
But when using blood-taking device that the patient is taken a blood sample, the pain that patient body produces can cause the patient to be unwilling to take a blood sample, and is unfavorable for the popularization of blood collecting technology.
Pain during blood sampling is divided into: spontaneous pain (pain of feeling immediately during blood sampling) and remaining rear pain (rest pains after the blood sampling after a few minutes or several hours).
Below several factors determine the pain of blood sampling operation: paracentesis depth, puncture speed, integral body penetrates into track, the blood taking needle size, skin surface, skin is fixed, and finger tip blood sampling location positioning; Most manufacturer obtains more high accuracy that sizable progress for example grips specification, tips quality, effectively polishing and the top layer design that slips into smoothly skin in the quality of production of blood taking needle, but also occurs in the market effectively blood sampling product in the control of thrusting track for integral body.
What traditional machinery blood sampling operating equipment used is that rectilinear motion drives, and driving mechanism often is made of a pair of spring, and when holding up, then the user Compress Spring pins the button relieving mechanism, and for the first time springing makes blood taking needle thrust skin; Reclaim for the second time " in the shell " that shield in the blood taking needle auto levelizer, the vertical direction of the direction of advance of blood taking needle and main motion vector is not to be controlled exactly, and this can cause series of problems:
The inaccuracy of motion terminating point;
The hard stop of the degree of depth (swivel point) that punctures, this is a major reason that causes spontaneous pain;
The vibration path causes coarse wound passage, and this is a major reason that causes remaining pain;
Uncontrolled rate of withdraw causes slowly wound suture and hemorrhage afterwards);
" swing " of mass motion (remaining pain, lasting wound, and scar);
The resilience of mechanism causes unplanned again blood sampling operation.
Begin to eject before motion gets back to the starting position at it, blood taking needle innermost cut in skin is a built in problem of this design, when needle point rests on the deepest point that thrusts, maximum dynamics has acted on skin, drive in mechanism and simply bounce the release unit terminal just as a bound disengaging ground, drive in unexpected one of motion end at it and stop, blood taking needle sends a shock wave to skin, activate near the pain receptor of blood taking needle, this will greatly enlarge spontaneous pain.
There is cam-actuated device to avoid in a way the hard stop of blood taking needle, cam mechanism is Spring driving normally, and on the whole better guiding driving, control the track of blood taking needle handle path and then control blood taking needle by the pintle on the cam, cam drive mechanism allows predetermined speed, softer revolution.This will greatly be avoided spontaneous pain, and still, cam-actuated blood-taking device complex structure is manufactured very trouble, and cost is very high, is unfavorable for promoting the use of.
Summary of the invention
The technical problem to be solved in the present invention provides a kind ofly can effectively slow down the blood-taking device of patient's pain.
The technical solution used in the present invention is: a kind of blood-taking device with buffer unit, comprise the flip flop equipment between housing, emission element, housing and the emission element, described housing inboard is provided with block at the emission element transmit direction, be provided with the block that matches with the inboard block of aforementioned housing at emission element, the inboard block of housing and emission element block consist of stopping means, are provided with at least a stopping means in the blood-taking device; Be provided with elastomeric element in the described housing, elastomeric element provides ejection power, its two ends prop up respectively housing and emission element during the elastomeric element compression, the emission element head can install blood taking needle or with the blood taking needle Integral design, in at least one stopping means, be provided with buffer unit, described buffer unit be arranged on the inboard block of housing and the emission element block that matches with it between.
As preferably, described buffer unit is arranged on a side that matches with the emission element block of the inboard block of housing.
As preferably, described buffer unit is arranged on a side that matches with the inboard block of housing of emission element block.
As preferably, described elastomeric element is spring.
As preferably, described spring housing is on emission element.
As preferably, described flip flop equipment comprises button and lever, and described button is arranged on the housing, and lever is arranged on the button below, and emission element is provided with the hook that can block lever.
As preferably, described flip flop equipment comprises button and elastic arm, and button is arranged on the housing, and described elastic arm is arranged on the emission element, and elastic arm is when elastomeric element is compressed and the housing locking.
As preferably, the inboard block of described housing is draw-in groove.
As preferably, the emission element block is radial protrusion.
As preferably, described buffer unit is antivibrator.
As preferably, the material of described antivibrator adopts TPA, or TPE, or neoprene, or hytrel.
As preferably, described antivibrator is annular or square.
The blood-taking device that rectilinear motion drives is when blood sampling, because the anxious bump that stops causing of Spring driving, the speed of blood taking needle is from extremely zero at a high speed, this swift and violent speed plunges and need to control slowly, the present invention reduces anxious impact effect of stopping with damping material, the present invention by damping material correctly should be used for make blood-taking device be transmitted into slowing down in a flash before the set depth, reduce and absorb since the anxious stopping time of spring gun be positioned at the human body skin layer the blood taking needle head around the diffusion vibrations, reach the effect of approximate cam mechanism ability, thereby reduce impromptu pain.
Beneficial effect of the present invention:
1, reduces the vibrations of diffusion all around that the anxious stopping time is positioned at the blood taking needle head of human body skin layer by damping material, reduce pain.
2, the present invention is simple in structure, is convenient to promote.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2;
Fig. 3 is the structural representation of the embodiment of the invention 3;
Fig. 4 is the structural representation of the embodiment of the invention 4;
Fig. 5 is the structural representation of the embodiment of the invention 5;
Fig. 6 is the blood-taking device schematic diagram that syringe needle rocks when being transmitted into maximum distance.
Among the figure: 1, housing; 1-1, the inboard block of housing; 1-2, emission port; 2, emission element; 2-1, emission element block; 2-2, emission element head; 3, button; 4, lever; 5, buffer unit; 6, spring; 6-1, back-moving spring; 7, blood taking needle; 8, syringe needle; 9, elastic arm.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
Consult shown in Figure 1, a kind of blood-taking device with buffer unit, comprise housing 1, emission element 2, flip flop equipment between housing 1 and the emission element 2, described housing 1 inboard is provided with block 1-1 at emission element 2 transmit directions, be provided with the block 2-1 that matches with the inboard block 1-1 of aforementioned housing at emission element 2, the inboard block 1-1 of housing and emission element block 2-1 consist of stopping means, described emission element block 2-1 is located at the centre position of emission element 2, the inboard block 1-1 of housing is located at the centre position of housing, the inboard block 1-1 of described housing is draw-in groove, and emission element block 2-1 is radial protrusion; Cover has spring 6 on the described emission element 2, one end of spring 6 connects housing 1, the other end connects emission element 2, emission element head 2-2 installs blood taking needle 7, the part of blood taking needle 7 except syringe needle 8 can be considered the part of emission element 2, be provided with buffer unit 5 in stopping means, described buffer unit 5 is arranged on the side that matches with emission element block 2-1 of the inboard block 1-1 of housing.Described buffer unit 5 is antivibrator, and the material of antivibrator adopts neoprene, is annular, and hardness is 30HA, and thickness is 6mm.
Described flip flop equipment comprises button 3 and lever 4, and described button 3 is arranged on the housing 1, and lever 4 is arranged on button 3 belows, and emission element 2 is provided with the hook that can block lever 4.
When blood taking needle 7 moved to emission port 1-2 direction with emission element 2, the inboard block 1-1 of housing and emission element block 2-1 were positioned at the vibrations of diffusion all around of the blood taking needle head of human body skin layer via buffer unit 5 buffer stop to reduce the 7 anxious stopping times of blood taking needle.
With reference to shown in Figure 6, when blood-taking device is transmitted into highest distance position in the present embodiment syringe needle 8 produce X-Y to rock, find through after the contrast test, in the situation that do not add antivibrator, syringe needle 8 produces rocks and is ± 0.3mm, in the situation that add antivibrator, rock and be ± 0.12mm, can find out that rocking of syringe needle 8 obtained effective control.
Consult shown in Figure 2ly, embodiment 2 is with the difference of embodiment 1, and described buffer unit 5 is arranged in the stopping means of blood-taking device afterbody, and spring 6 is located at the mid portion of blood-taking device.
Find through after the contrast test, in the situation that do not add antivibrator, syringe needle 8 produced when blood-taking device was transmitted into highest distance position rocks and is ± 0.3mm, in the situation that add antivibrator, rock and be ± 0.05mm, can find out that rocking of syringe needle 8 obtained effective control.
Consult shown in Figure 3, embodiment 3 is with the difference of embodiment 2, described emission port 1-2 place is provided with the inboard block 1-1 of housing, emission element head 2-2 is provided with emission element block 2-1, and described buffer unit 5 is located at the side that housing inboard block 1-1 in emission port 1-2 place matches with the emission element block 2-1 of emission element head 2-2 place.
Find through after the contrast test, in the situation that do not add antivibrator, syringe needle 8 produced when blood-taking device was transmitted into highest distance position rocks and is ± 0.3mm, in the situation that add antivibrator, rock and be ± 0.12mm, can find out that rocking of syringe needle 8 obtained effective control.
Embodiment 4
Consult shown in Figure 4ly, embodiment 4 is with the difference of embodiment 3, and described buffer unit 5 is located at the side that the emission element block 2-1 of emission element head 2-2 place matches with emission port 1-2 place housing inboard block 1-1.
Find through after the contrast test, in the situation that do not add antivibrator, syringe needle 8 produced when blood-taking device was transmitted into highest distance position rocks and is ± 0.3mm, in the situation that add antivibrator, rock and be ± 0.14mm, can find out that rocking of syringe needle 8 obtained effective control.
Consult shown in Figure 5, embodiment 5 is with the difference of embodiment 4, described blood-taking device also is provided with a back-moving spring 6-1, back-moving spring 6-1 one end is connected with housing 1, and an end is connected with emission element 2, blood taking needle and emission element head 2-2 one, flip flop equipment comprises button 3 and elastic arm 9, button 3 is arranged on the housing 1, and described elastic arm 9 is arranged on the emission element 2, and elastic arm 9 is when spring 6 is compressed and housing 1 locking.
Find through after the contrast test, in the situation that do not add antivibrator, syringe needle 8 produced when blood-taking device was transmitted into highest distance position rocks and is ± 0.25mm, in the situation that add antivibrator, rock and be ± 0.08mm, can find out that rocking of syringe needle 8 obtained effective control.
In the above-described embodiments, antivibrator can also adopt the materials such as TPA, TPE or hytrel.
Beneficial effect of the present invention:
1, reduces the vibrations of diffusion all around that the anxious stopping time is positioned at the blood taking needle head of human body skin layer by damping material, reduce pain.
2, the present invention is simple in structure, is convenient to promote.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (12)
1. blood-taking device with buffer unit, comprise the flip flop equipment between housing, emission element, housing and the emission element, described housing inboard is provided with block at the emission element transmit direction, be provided with the block that matches with the inboard block of aforementioned housing at emission element, the inboard block of housing and emission element block consist of stopping means, are provided with at least a stopping means in the blood-taking device; Be provided with elastomeric element in the described housing, elastomeric element provides ejection power, its two ends prop up respectively housing and emission element during the elastomeric element compression, the emission element head can install blood taking needle or with the blood taking needle Integral design, it is characterized in that, in at least one stopping means, be provided with buffer unit, described buffer unit be arranged on the inboard block of housing and the emission element block that matches with it between.
2. blood-taking device according to claim 1 is characterized in that, described buffer unit is arranged on a side that matches with the emission element block of the inboard block of housing.
3. blood-taking device according to claim 1 is characterized in that, described buffer unit is arranged on a side that matches with the inboard block of housing of emission element block.
4. blood-taking device according to claim 1 is characterized in that, described elastomeric element is spring.
5. blood-taking device according to claim 4 is characterized in that, described spring housing is on emission element.
6. blood-taking device according to claim 1 is characterized in that, described flip flop equipment comprises button and lever, and described button is arranged on the housing, and lever is arranged on the button below, and emission element is provided with the hook that can block lever.
7. blood-taking device according to claim 1 is characterized in that, described flip flop equipment comprises button and elastic arm, and button is arranged on the housing, and described elastic arm is arranged on the emission element, and elastic arm is when elastomeric element is compressed and housing locking.
8. blood-taking device according to claim 1 is characterized in that, the inboard block of described housing is draw-in groove.
9. blood-taking device according to claim 1 is characterized in that, the emission element block is radial protrusion.
10. blood-taking device according to claim 1 is characterized in that, described buffer unit is antivibrator.
11. blood-taking device according to claim 10 is characterized in that, the material of described antivibrator adopts TPA, or TPE, or neoprene, or hytrel.
12. blood-taking device according to claim 10 is characterized in that, described antivibrator is annular or square.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102721077A CN103300868A (en) | 2013-07-02 | 2013-07-02 | Blood sampling device with buffer device |
| PCT/CN2014/080534 WO2015000369A1 (en) | 2013-07-02 | 2014-06-23 | Blood lancing apparatus having cushioning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102721077A CN103300868A (en) | 2013-07-02 | 2013-07-02 | Blood sampling device with buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103300868A true CN103300868A (en) | 2013-09-18 |
Family
ID=49126901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102721077A Pending CN103300868A (en) | 2013-07-02 | 2013-07-02 | Blood sampling device with buffer device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103300868A (en) |
| WO (1) | WO2015000369A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015000368A1 (en) * | 2013-07-02 | 2015-01-08 | 苏州施莱医疗器械有限公司 | Blood-lancing apparatus provided at pinhole thereof with cushioning apparatus |
| WO2015000369A1 (en) * | 2013-07-02 | 2015-01-08 | 苏州施莱医疗器械有限公司 | Blood lancing apparatus having cushioning apparatus |
| CN106264561A (en) * | 2016-08-25 | 2017-01-04 | 天津华鸿科技股份有限公司 | A kind of side trigger-type hemostix |
| CN107260228A (en) * | 2017-06-01 | 2017-10-20 | 施康培医疗科技（武汉）有限公司 | A kind of biopsy needle device of band damping protection |
| CN107582072A (en) * | 2017-09-20 | 2018-01-16 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device of flexible bridge buffer structure |
| CN111214241A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
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Cited By (8)
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| WO2015000369A1 (en) * | 2013-07-02 | 2015-01-08 | 苏州施莱医疗器械有限公司 | Blood lancing apparatus having cushioning apparatus |
| CN106264561A (en) * | 2016-08-25 | 2017-01-04 | 天津华鸿科技股份有限公司 | A kind of side trigger-type hemostix |
| CN107260228A (en) * | 2017-06-01 | 2017-10-20 | 施康培医疗科技（武汉）有限公司 | A kind of biopsy needle device of band damping protection |
| CN107582072A (en) * | 2017-09-20 | 2018-01-16 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device of flexible bridge buffer structure |
| WO2019057101A1 (en) * | 2017-09-20 | 2019-03-28 | 苏州施莱医疗器械有限公司 | Blood sampling device provided with elastic bridge buffer structure |
| CN107582072B (en) * | 2017-09-20 | 2019-09-03 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device with elastic bridge buffer structure |
| CN111214241A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015000369A1 (en) | 2015-01-08 |
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Application publication date: 20130918 |