CN105640572A - Safety blood taking needle structure - Google Patents
Safety blood taking needle structure Download PDFInfo
- Publication number
- CN105640572A CN105640572A CN201610026730.8A CN201610026730A CN105640572A CN 105640572 A CN105640572 A CN 105640572A CN 201610026730 A CN201610026730 A CN 201610026730A CN 105640572 A CN105640572 A CN 105640572A
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- Prior art keywords
- needle
- bar
- housing
- fixing
- blood taking
- Prior art date
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- 239000008280 blood Substances 0.000 title claims abstract description 67
- 210000004369 blood Anatomy 0.000 title claims abstract description 67
- 238000010276 construction Methods 0.000 claims description 20
- 238000009527 percussion Methods 0.000 claims description 14
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 27
- 230000006872 improvement Effects 0.000 description 26
- 238000005452 bending Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010241 blood sampling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 208000002193 Pain Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 108090000565 Capsid Proteins Proteins 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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
- A61B5/151—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
-
- 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
-
- 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
Landscapes
- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a safety blood taking needle structure. The safety blood taking needle structure comprises a shell, a power device, a needle-rod fixing rod located in the shell and a blood taking needle fixed to the needle-rod fixing rod; the shell is provided with a needle outlet, a positioning block used for fixing the needle-rod fixing rod is arranged between the needle-rod fixing rod and the shell, or a connecting point provided with an opening easy to crack is arranged between the needle-rod fixing rod and the shell, or the needle-rod fixing rod and the shell are arranged independently. According to the safety blood taking needle structure, a blood taking needle is fixed in the shell, so that when the blood taking needle is not used, unreasonable exposure of the blood taking needle can be avoided; when the blood taking needle is used, the tail portion of the needle-rod fixing rod is triggered through external force, the needle-rod fixing rod slides out of the positioning block, and then the blood taking needle is pushed, or the opening easy to crack is disconnected, the blood taking needle can be pushed to penetrate through the needle outlet for blood taking. The safety blood taking needle structure can be operated by one hand, the safety of blood taking operation is effectively guaranteed. The safety blood taking needle structure is used for the field of medical instruments.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of safety type blood collecting needle construction��
Background technology
Current individual blood taking needle mostly is plastic foil or the outer simple and easy packaging added with a block; the process transporting, use, give up blood taking needle there will be plastic foil pierce through or block such as comes off at the situation; external protection is not had to cause that syringe needle exposes; accidentally injure operator or the third party; pain is strong, poor safety performance, even forms haematogenous and pollutes.
Individual's blood taking needle does not set power set, but due to cheap, still uses in most medical institutions.
Having currently on the market and adopt safety blood taking needle, it is provided with stopping means and external protection, is equipped with power set, fires laborsaving, after percussion can automatic whip-back needle, disposable, security performance is good. Spring is installed and is adopted embedded mode to be connected with fixing bottom, adopts rotation to be inserted in the fixing bar of needle bar or the mode of being inserted in is connected by force, cause complex operation, difficult quality controls, the situations such as percussion dynamics is not enough, can not fire, wasting manpower and material resources often occur, also increases patient painful.
Applicable safety formula blood taking needle, because its structure is complicated, assembly is many, manufacturing process is complicated, price is high, increases buying and the use cost of hospital, it is difficult to universal, therefore only some infectious disease keypoint control mechanism or the good medical institutions of economic condition are in application.
A kind of simple in construction of demand, price be low clinically, performance reaches the blood taking needle even better than existing product��
Summary of the invention
For solving the problems referred to above, the present invention provides the safety type blood collecting needle construction of a kind of simple in construction, low cost, excellent performance.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of safety type blood collecting needle construction, including housing, power set, is positioned at the fixing bar of needle bar of housing and is fixed on the blood taking needle of the fixing bar of needle bar;
Described housing is provided with needle outlet;
The fixing locating piece being provided with the fixing bar of fixing needle bar between bar and housing of described needle bar, or the fixing junction point possessing easy breach that is provided with between bar and housing of described needle bar, or described needle bar fixes bar and housing is arranged independently of one another.
Being further used as the improvement of technical solution of the present invention, described blood taking needle is the sharp object of needle-like.
Being further used as the improvement of technical solution of the present invention, described housing is provided with needle outlet.
Being further used as the improvement of technical solution of the present invention, power set are be arranged at the fixing percussion spring between bar and housing of needle bar.
Being further used as the improvement of technical solution of the present invention, described percussion both ends of the spring is provided with and is perpendicular to spring axis, Spring retainer with barb.
It is further used as on the fixing bar of the improvement of technical solution of the present invention, described housing and needle bar and is respectively equipped with the spring fixed hole coordinating placement Spring retainer.
Being further used as the improvement of technical solution of the present invention, housing is positioned at needle outlet both sides and is provided with shutoff damper, the Breadth Maximum of the fixing masthead end of needle bar is more than the Breadth Maximum of needle outlet.
Being further used as the improvement of technical solution of the present invention, needle tip is provided with the seal bar of parcel needle tip.
Being further used as the improvement of technical solution of the present invention, the fixing bar of needle bar extends forward the seal bar being provided with parcel needle tip.
Being further used as the improvement of technical solution of the present invention, the junction that needle point protection rod and needle bar fix bar is provided with portion of easily splitting.
It is further used as the improvement of technical solution of the present invention, the fixing bar of needle bar is provided with the stopping means of the fixing bar both sides of needle bar, be provided with in housing and coordinate stopping means to make the resetting means that the fixing bar of needle bar resets.
Being further used as the improvement of technical solution of the present invention, resetting means is be positioned at the elastic rod that housing tilts to housing bottom or is parallel to housing bottom.
Being further used as the improvement of technical solution of the present invention, housing extends internally and is provided with the elastic rod tilted to housing bottom.
It is further used as the improvement of technical solution of the present invention, the fixing locating piece being provided with the fixing bar of fixing needle bar between bar and housing of described needle bar.
Being further used as the improvement of technical solution of the present invention, described locating piece is the positioning convex and detent that cooperate.
It is further used as the improvement of technical solution of the present invention, the both sides being positioned at the fixing bar of needle bar in housing are provided with resetting block, each resetting block is provided with arc groove, the both sides of the fixing bar of needle bar extend to be provided with fixes, at needle bar, the projection that can snap in arc groove when bar resets, and arc groove is provided with the breach that projection can import arc groove.
Being further used as the improvement of technical solution of the present invention, needle bar is fixing is provided with the junction point possessing easy breach between bar and housing.
Being further used as the improvement of technical solution of the present invention, the fixing bar of described needle bar is arranged independently of one another with housing.
Being further used as the improvement of technical solution of the present invention, the fixing bar of described needle bar departs from housing in enclosure interior setting.
Being further used as the improvement of technical solution of the present invention, the fixing bar tail end of described needle bar extends back and is provided with trigger shaft.
Being further used as the improvement of technical solution of the present invention, housing is provided with the through hole of corresponding trigger shaft.
Being further used as the improvement of technical solution of the present invention, housing is provided with bending mouth.
Being further used as the improvement of technical solution of the present invention, the bottom of housing is needle stand, and needle stand is provided with bending mouth.
Being further used as the improvement of technical solution of the present invention, the outside being positioned at housing is provided with the fixing buckle of housing.
Being further used as the improvement of technical solution of the present invention, needle stand is provided with outward extending gripper shoe.
It is further used as the improvement of technical solution of the present invention, in housing, is provided with the fixing bar motion guide rail of needle bar that the fixing bar of guiding needle bar slides.
It is further used as the improvement of technical solution of the present invention, in housing, is provided with the piggyback pod holding power set.
Beneficial effects of the present invention: this safety type blood collecting needle construction, by arranging Spring retainer and spring fixed hole, is effectively reduced difficulty during spring assembling.
Blood taking needle is fixed in housing by this safety type blood collecting needle construction, the blood taking needle unreasonable exposure when not using can be avoided, the fixing bar afterbody of needle bar is triggered by external force when blood taking needle uses, fixing for needle bar bar is skidded off from locating piece, and then promotion blood taking needle, or easy breach is disconnected, blood taking needle can be promoted to take a blood sample through needle outlet, this safety blood taking needle one-hand operation, and effectively ensure blood sampling operation safety.
This safety type blood collecting needle construction possesses the junction point of easy breach, bending part and bayonet unit by arranging, and disposable can complete injection molding or injection moulding, reach integrally formed. After injection moulding completes and load onto percussion spring, only need simple bending and pressing can complete the assembling of product.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is first embodiment of the invention overall structure schematic diagram;
Fig. 2 is first embodiment of the invention overall structure side view;
Fig. 3 is that first embodiment of the invention does not install overall structure schematic diagram before spring;
Fig. 4 is integrated assembling process schematic diagram after first embodiment of the invention installs spring;
Fig. 5 is second embodiment of the invention overall structure schematic diagram;
Fig. 6 is second embodiment of the invention overall structure side view;
Fig. 7 second embodiment of the invention assembles procapsid overall structure schematic diagram;
Fig. 8 is overall structure schematic diagram after the fixing bar installation blood taking needle of second embodiment of the invention needle bar;
Fig. 9 is overall structure schematic diagram after the second embodiment of the invention fixing bar of installation needle bar and spring;
Figure 10 is bending assembling process schematic diagram after the second embodiment of the invention fixing bar of installation needle bar and spring;
Figure 11 third embodiment of the invention overall structure schematic diagram;
Figure 12 third embodiment of the invention does not install spring overall structure schematic diagram.
Detailed description of the invention
With reference to Fig. 1��Figure 12, the present invention is a kind of safety type blood collecting needle construction, including housing 1, power set 3, is positioned at the fixing bar 2 of needle bar of housing and is fixed on the blood taking needle 8 of the fixing bar of needle bar;
Described housing 1 is provided with needle outlet 11;
The fixing locating piece being provided with the fixing bar 2 of fixing needle bar between bar 2 and housing 1 of described needle bar, or the fixing junction point possessing easy breach 12 that is provided with between bar 2 and housing 1 of described needle bar, or described needle bar fixes bar 2 and housing 1 is arranged independently of one another.
As the preferred embodiment of the present invention, described blood taking needle is the sharp object of needle-like, it would however also be possible to employ the sharp object of other shapes such as blade.
As the preferred embodiment of the present invention, described housing 1 is provided with needle outlet 11. The preferably circular through hole of needle outlet 11, it is possible to adopt the through hole of the shape such as rectangle, ellipse.
As the preferred embodiment of the present invention, power set 3 are be arranged at the fixing percussion spring 31 between bar 2 and housing 1 of needle bar.
Percussion spring 31 is preferably one, percussion power when simultaneously providing blood taking needle to fire and the reset power of the fixing bar 2 of recovery needle bar, so can play assembly performance under different conditions, after offer percussion power and maintenance blood sampling under the premise of reset function, reduce component count, reduce cost. Certain power set are provided percussion power can apply spring or other power resources respectively with reset power.
As the preferred embodiment of the present invention, described percussion spring 31 two ends are provided with and are perpendicular to spring axis, Spring retainer 32 with barb.Spring retainer 32 is preferably and is provided with " L " shape barb, and such spring keeps being connected with the fixing bar 2 of needle bar and housing 1, it is to avoid deviate from from spring fixed hole, it is ensured that can fire and guarantee percussion dynamics, guarantees to reclaim the fixing bar of needle bar simultaneously. Other shape or the mode such as certain fixed part can adopt " J " shape, expand.
The spring fixed hole 33 placing Spring retainer 32 is coordinated as the fixing bar 2 of the preferred embodiment of the present invention, described housing 1 and needle bar is respectively equipped with.
As the preferred embodiment of the present invention, housing being positioned at needle outlet 11 both sides and is provided with shutoff damper, the Breadth Maximum of the fixing masthead end of needle bar is more than the Breadth Maximum of needle outlet.
Shutoff damper is for being arranged at needle outlet 11 both sides, and be the baffle plate of level at housing 1 private side, shutoff damper is when blood taking needle is launched and taken a blood sample, after blood taking needle is launched by needle outlet 11, the front end of the fixing bar 2 of needle bar can be blocked, it is prevented that the syringe needle of blood taking needle 8 excessively exposes by shutoff damper.
The top of shutoff damper and the fixing bar 2 of needle bar can be annulus and the cylinder of the different-diameter cooperated, it is preferred to the internal diameter of needle outlet 11 is less than the external diameter of the fixing bar 2 of needle bar, and shutoff damper is at least provided with one group.
Shutoff damper is preferably one group, it is arranged on the housing 1 of needle outlet 11 periphery and the front portion of the fixing bar 2 of needle bar, any part on housing 1, the fixing bar 2 of needle bar can also be arranged on, it is also possible to be internal part and or the external components various devices limiting the fixing bar displacement of needle bars that are arranged between housing 1 and the fixing bar 2 of needle bar alone or in combination.
The setting of shutoff damper, it is possible to limit the maximum displacement of the fixing bar 2 of needle bar well, control paracentesis depth, it is prevented that syringe needle excessively exposes.
As the preferred embodiment of the present invention, needle tip is provided with the seal bar 23 of parcel needle tip.
As the preferred embodiment of the present invention, the fixing bar of needle bar extends forward the seal bar 23 being provided with parcel needle tip.
As the preferred embodiment of the present invention, the junction of needle point protection rod 23 and the fixing bar 2 of needle bar is provided with easily splits portion 24.
The setting of needle point protection rod 23 can avoid needle point to be exposed to the external world before use, rotates and comes off, can ensure sterilization effect during use. Easily splitting the setting in portion 24 can facilitate rotation to come off needle point protection rod 23, reaches needle point protection rod 23 and the fixing bar 2 of needle bar separates.
As the preferred embodiment of the present invention, the fixing bar 2 of needle bar is provided with the stopping means 21 of fixing bar 2 both sides of needle bar, is provided with in housing 1 and coordinates stopping means to make the resetting means 6 that the fixing bar 2 of needle bar resets.
Stopping means 21 can control blood taking needle 8 thorn on triggering and go out length, thus ensureing that blood taking needle 8 can rationally be taken a blood sample after stinging out, and person of blood collecting is not damaged.
Meanwhile, after blood sampling completes, resetting means 4 coordinates stopping means 21 that blood taking needle 8 can be made to return in housing 1, and avoids causing cleaning trouble, and the injury to operator and patient.
As the preferred embodiment of the present invention, resetting means 6 is be positioned at the elastic rod 61 that housing tilts to housing bottom or is parallel to housing bottom.
As the preferred embodiment of the present invention, housing 1 extends internally the elastic rod 61 being provided with to housing 1 bottom angled.
Under the form that arranges of this kind of resetting means, in the process that blood taking needle 8 stings out, elastic rod 61 is compressed, and after blood taking needle 8 stings out and puts in place and take a blood sample, elastic rod 61 replys original state under himself elastic reaction, can realize the perfect reset of blood taking needle 8.
Resetting means 6 be provided with multiple way of realization, can pass through to arrange the associate members such as spring on the fixing bar 2 of needle bar, it is possible in housing 1, arrange independent reset components to realize the reset function of blood taking needle 8.
As the preferred embodiment of the present invention, the fixing locating piece being provided with the fixing bar 2 of fixing needle bar between bar 2 and housing 1 of described needle bar.
As the preferred embodiment of the present invention, locating piece 4 is the positioning convex 41 and detent 42 that cooperate.
Locating piece 4 can be the positioning convex 41 and detent 42 that cooperate, and especially, locating piece 4 is the hemispherical protuberances cooperated and hemispherical depression. Locating piece 4 is preferably two groups, is symmetrical set. Arranging of locating piece 4 when the fixing bar 2 of needle bar is separately positioned with housing 1, can be played the fixing bar 2 of fixing needle bar, keep the effect of fixing bar 2 state before firing of needle bar.
As the preferred embodiment of the present invention, the both sides being positioned at the fixing bar of needle bar in housing are provided with resetting block, each resetting block is provided with arc groove, the both sides of the fixing bar of needle bar extend to be provided with fixes, at needle bar, the projection that can snap in arc groove when bar resets, and arc groove is provided with the breach that projection can import arc groove.
Blood taking needle 8 resets under the effect of resetting means, it is spacing that the fixing bar 2 of needle bar effectively can be carried out reset by the setting of resetting block, to prevent the fixing bar 2 of needle bar from resetting excessively, in the reseting procedure of the fixing bar 2 of needle bar, the projection of fixing bar 2 both sides of needle bar can embed in arc groove, the setting of breach can reduce the resetting block protruding stop to fixing bar 2 both sides of needle bar, to facilitate projection to slip in arc groove. The setting of resetting block also when the fixing bar 2 of needle bar is separately positioned with housing 1, can be played effect that is similar or that comprise locating piece, namely play the fixing bar 2 of fixing needle bar, keep the effect of fixing bar 2 state before firing of needle bar.
As the preferred embodiment of the present invention, needle bar is fixing is provided with the junction point possessing easy breach 12 between bar 2 and housing 1.
As the preferred embodiment of the present invention, the fixing bar 2 of described needle bar is arranged independently of one another with housing 1.
As the preferred embodiment of the present invention, the fixing bar 2 of described needle bar departs from and arranges inside housing 1 in housing 1.
As the preferred embodiment of the present invention, fixing bar 2 tail end of described needle bar extends back and is provided with trigger shaft 25. Preferably cylindrical, facilitate staff to press, break easy breach or fixing for needle bar bar released from locating piece, the spring that release is compressed, reaching the purpose of percussion.
As the preferred embodiment of the present invention, described housing 1 is provided with the through hole of corresponding trigger shaft 25.
As the preferred embodiment of the present invention, housing 1 is provided with bending mouth 15.
As the preferred embodiment of the present invention, the bottom of housing 1 is needle stand, and needle stand is provided with bending mouth 15. As preferred embodiment, bending mouth 15 is arranged in the both sides of needle stand, thus can more convenient assemble. Bending mouth 15 is at least provided with one, it is possible to be arranged on housing 1 other position.
As the preferred embodiment of the present invention, the outside being positioned at housing is provided with the fixing buckle 14 of housing. The fixing buckle 14 of housing can also be placed between housing 1 and needle stand or inside housing 1.
As the preferred embodiment of the present invention, needle stand is provided with outward extending gripper shoe 13. Gripper shoe 13 is preferably both sides and arranges, as supporting force when facilitating operator's one-handed performance.
As the preferred embodiment of the present invention, in housing, it is provided with the fixing bar motion guide rail of needle bar that the fixing bar of guiding needle bar slides.
As the preferred embodiment of the present invention, in housing, it is provided with the piggyback pod holding power set.Piggyback pod is preferably fixed bar 4 around forming by housing 1, needle bar, in non-totally-enclosed shape. The setting of piggyback pod can conveniently be installed, the spring of fixing compression, the spring of compression also can be avoided simultaneously outwards to deform and come off.
Assembly of the invention, simple in construction, assembly are few, assembling is easy, use safety. By arranging bending part and bayonet unit, disposable can complete injection molding or injection moulding, only need to put into spring, simpler bending and pressing can complete the assembling of product. Save material, reduce operation and reduce production cost, hence it is evident that alleviate medical institutions and patient's financial burden.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the premise without prejudice to spirit of the present invention, and these equivalent modification or replacement are all contained in the application claim limited range��
Claims (9)
1. a safety type blood collecting needle construction, it is characterised in that: include housing, power set, be positioned at the fixing bar of needle bar of described housing and be fixed on the blood taking needle of the fixing bar of needle bar; Described housing is provided with needle outlet; The fixing locating piece being provided with the fixing bar of fixing needle bar between bar and housing of described needle bar, or the fixing junction point possessing easy breach that is provided with between bar and housing of described needle bar, or described needle bar fixes bar and housing is arranged independently of one another.
2. safety type blood collecting needle construction according to claim 1, it is characterised in that: described power set are the percussion spring being arranged between housing and the fixing bar of needle bar.
3. safety type blood collecting needle construction according to claim 1, it is characterised in that: the fixing bar of described needle bar is provided with the stopping means of the fixing bar both sides of needle bar, is provided with in housing and coordinates stopping means to make the resetting means that the fixing bar of needle bar resets.
4. safety type blood collecting needle construction according to claim 3, it is characterised in that: described resetting means is be positioned at the elastic rod that housing tilts to housing bottom or is parallel to housing bottom.
5. safety type blood collecting needle construction according to claim 4, it is characterised in that: described housing extends internally and is provided with the elastic rod tilted to housing bottom.
6. safety type blood collecting needle construction according to claim 1, it is characterised in that: the fixing locating piece being provided with the fixing bar of fixing needle bar between bar and housing of described needle bar.
7. safety type blood collecting needle construction according to claim 6, it is characterised in that: described locating piece is the positioning convex and detent that cooperate.
8. safety type blood collecting needle construction according to claim 1, it is characterised in that: the fixing bar of described needle bar is arranged independently of one another with housing.
9. safety type blood collecting needle construction according to claim 8, it is characterised in that: the fixing bar of described needle bar departs from housing in enclosure interior setting.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026145 | 2015-01-20 | ||
| CN2015100261453 | 2015-01-20 | ||
| CN2015104181405 | 2015-07-16 | ||
| CN201510418140 | 2015-07-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105640572A true CN105640572A (en) | 2016-06-08 |
| CN105640572B CN105640572B (en) | 2018-08-31 |
Family
ID=56175371
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620038899.0U Active CN205338963U (en) | 2015-01-20 | 2016-01-17 | Safe blood -taking -needle structure |
| CN201610026730.8A Active CN105640572B (en) | 2015-01-20 | 2016-01-17 | A kind of safety type blood collecting needle construction |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620038899.0U Active CN205338963U (en) | 2015-01-20 | 2016-01-17 | Safe blood -taking -needle structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN205338963U (en) |
| WO (1) | WO2016116015A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414298A (en) * | 2018-03-16 | 2018-08-17 | 广东美味鲜调味食品有限公司 | A kind of gas sampling device |
| CN112220499A (en) * | 2020-10-30 | 2021-01-15 | 珠海市人民医院 | Sampling rod in limiting connection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703289A (en) * | 2017-10-30 | 2018-02-16 | 株洲市三三医院 | A kind of instant blood testing test strips and its paper box |
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| JPH0588503U (en) * | 1992-05-07 | 1993-12-03 | テルモ株式会社 | Puncture device for blood sampling |
| EP1405596B1 (en) * | 2001-07-11 | 2010-10-06 | ARKRAY, Inc. | Lancet |
| CN2574599Y (en) * | 2002-11-04 | 2003-09-24 | 古鹏飞 | Multifunction hemostix |
| CN2579344Y (en) * | 2002-11-29 | 2003-10-15 | 施国平 | Improved schbil disposable adjustable safety autoamtic blood taking needle |
| CN201481428U (en) * | 2009-08-10 | 2010-05-26 | 柳新荣 | Disposable blood sampling device |
| CN102871671B (en) * | 2012-09-26 | 2014-06-11 | 淮安市天达医疗器械有限公司 | Disposable self-retracting safety blood taking needle |
| CN203107133U (en) * | 2013-02-26 | 2013-08-07 | 高敬华 | Blood taking needle for medical examination |
| CN203724104U (en) * | 2013-12-19 | 2014-07-23 | 安徽省康达医疗用品有限公司 | Ejection blood taking needle |
| CN204636384U (en) * | 2014-05-21 | 2015-09-16 | 胡绍勤 | A kind of bullet unloads formula blood collecting pen structure |
| WO2015176644A1 (en) * | 2014-05-21 | 2015-11-26 | 胡绍勤 | Ejection-type lancing device structure |
-
2016
- 2016-01-17 CN CN201620038899.0U patent/CN205338963U/en active Active
- 2016-01-17 WO PCT/CN2016/071157 patent/WO2016116015A1/en active Application Filing
- 2016-01-17 CN CN201610026730.8A patent/CN105640572B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414298A (en) * | 2018-03-16 | 2018-08-17 | 广东美味鲜调味食品有限公司 | A kind of gas sampling device |
| CN112220499A (en) * | 2020-10-30 | 2021-01-15 | 珠海市人民医院 | Sampling rod in limiting connection |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016116015A1 (en) | 2016-07-28 |
| CN205338963U (en) | 2016-06-29 |
| CN105640572B (en) | 2018-08-31 |
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