CN109124654A - A kind of vacuum blood collection tube - Google Patents
A kind of vacuum blood collection tube Download PDFInfo
- Publication number
- CN109124654A CN109124654A CN201811242460.XA CN201811242460A CN109124654A CN 109124654 A CN109124654 A CN 109124654A CN 201811242460 A CN201811242460 A CN 201811242460A CN 109124654 A CN109124654 A CN 109124654A
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- Prior art keywords
- oscillating rod
- vacuum
- vacuum tube
- blood
- resilient support
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- 239000008280 blood Substances 0.000 title claims abstract description 86
- 210000004369 blood Anatomy 0.000 title claims abstract description 86
- 238000012856 packing Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000010241 blood sampling Methods 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009534 blood test Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000010355 oscillation Effects 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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
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)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present patent application belongs to the field of medical instrument technology, specifically discloses a kind of vacuum blood collection tube, including vacuum tube, elastic packing plug and head cap, elastic packing are equipped with the first puncture tank beyond the Great Wall；Further include two resilient support blocks, form sealing cavity between two resilient support blocks and the first puncture tank, multiple support slots are provided in resilient support block, are equipped with swing component in each support slot；It further include pushing piece and mounting base.This vacuum blood collection tube saves manpower, and blood sampling speed is fast, is particularly suitable for taking a blood sample to children.
Description
Technical field
The present patent application belongs to the field of medical instrument technology, specifically discloses a kind of vacuum blood collection tube.
Background technique
Currently, vessel of the blood test frequently with vacuum blood collection tube as splendid attire blood preparation, that is, facilitate staff to adopt
Blood, and the storage of blood preparation can be convenient for.
Vacuum blood collection tube on the market includes vacuum tube, stoppers the rubber stopper at vacuum tube nozzle and be sleeved on rubber stopper
On head cap, vacuum tube and rubber stopper cooperation sealing, head cap top center be equipped with puncture orifice.Heparin tube often with blood taking needle, send blood
Needle and connecting tube match, and send blood needle for being pierced into vacuum tube, and for being pierced into blood sampling site, connecting tube is used for blood taking needle
It is connected to blood taking needle and send blood needle.When blood sampling, blood taking needle is pierced into blood sampling site, and blood needle is sent to be pierced into vacuum through puncture orifice, rubber stopper
In pipe, blood is pumped into vacuum tube with spurting, and when blood volume is enough, staff, which will send in blood needle vacuum tube, to extract, will adopt
Blood needle is extracted to blood sampling site.
Under normal conditions, when the object of blood sampling is adult, due to the cooperation of the object of blood sampling, staff's energy
Entire blood collection procedure is enough completed, but when object of taking a blood sample is children, due to mismatching for children, typically at least needs two works
Blood collection procedure could be completed by making personnel's mutual cooperation, and after parent holds children tightly, blood taking needle is pierced into children by a staff
To blood sampling site, another one staff will send blood to be needled into vacuum tube, and whole process speed of not only taking a blood sample is slow, and ten
Divide labor intensive.
Summary of the invention
The purpose of the present invention is to provide a kind of vacuum blood collection tubes, when solving to take a blood sample to children, the technology of labor intensive
Problem.
In order to achieve the above object, base case of the invention are as follows:
A kind of vacuum blood collection tube, including vacuum tube, elastic packing plug and head cap, elastic packing plug and the interference of vacuum tube nozzle
Cooperation, elastic packing are equipped with the first puncture tank to vacuum tube outward opening beyond the Great Wall；It further include along vacuum tube hub line symmetrical two
A resilient support block forms sealing cavity, is provided in resilient support block multiple between two resilient support blocks and the first puncture tank
Support slot, each support slot is interior to be equipped with swing component；It further include pushing piece and the mounting base for fixing vacuum tube；Work as sealing cavity
Air pressure increase when, swing component drives resilient support block to move to outside vacuum tube, and resilient support block drives pushing piece that will send blood needle
It is pierced into vacuum tube.
The working principle and beneficial effect of this base case are:
Mounting base, the first puncture tank, resilient support block, support slot, swing component and pushing piece are set, before blood sampling, first will
Vacuum tube is fixed in mounting base；When blood sampling, blood needle will be sent from the first puncture tank that head cap is pierced into elastic packing plug, sent at this time
Blood needle is not connected to the inside of vacuum tube.Due to forming sealing cavity between two resilient support blocks and the first puncture tank, so
By blood taking needle piercing children after blood sampling site, the gas in connecting tube can be initially entered in the first puncture tank, and make to seal
Air pressure in cavity increases, and swing component drives resilient support block to move to outside vacuum tube, and pushing piece, which drives, send blood needle relative resilient
Sealing-plug is to vacuum in-pipe, to complete that blood needle is sent to be connected to the inside of vacuum tube, blood is pumped into vacuum tube with spurting
It is interior.When blood volume is enough, staff, which will send in blood needle vacuum tube, to extract, extracts blood taking needle to blood sampling site, just completes
Entire blood collection procedure.
It is different from the blood sampling operating procedure of existing vacuum blood collection tube, when this vacuum blood collection tube is taken a blood sample, blood needle will be sent to pierce first
Enter in the first puncture tank of elastic packing beyond the Great Wall, then by blood taking needle piercing children to blood sampling site, using in connecting tube
Gas realizes the connection for sending blood needle and vacuum tube.So when being taken a blood sample using this vacuum blood collection tube to the children after holding, a work
Entire blood collection procedure can be completed by making personnel, very saving manpower, and speed of taking a blood sample is fast, takes a blood sample high-efficient, especially suitable
In the ill-matched children's blood sampling of object.
Further, the swing component includes the first oscillating rod, the second oscillating rod and sealing sleeve pipe, the first oscillating rod and second
Oscillating rod face arrangement, the first oscillating rod and the second oscillating rod are respectively hinged at the two sides of support slot, the two sides point of sealing sleeve pipe
It is not slidably socketed the free end in the first oscillating rod and the free end of the second oscillating rod, the first oscillating rod, the second oscillating rod, sealing
The inner sidewall of casing and head cap is sealed and is slidably connected, when sealing cavity air pressure increases, the free end of the first oscillating rod and the
Two oscillating rod free ends, which are swung to, to offset, and support slot is propped up, and realization that can be relatively simple is when sealing cavity air pressure increase
When, swing component drives resilient support block to move to outside vacuum tube.
It further, further include in head cap and to the swinging chute of both-side opening, the pushing piece is set in swinging chute, institute
Stating pushing piece includes third oscillating rod, and rotation axis and incomplete meshing gear, rotation axis are rotatably connected on head cap, not exclusively nibble
It closes gear to be fixedly attached to outside rotation axis, one end of third oscillating rod is fixedly connected on incomplete meshing gear, and third is swung
The other end of bar is stretched out from the opening of swinging chute；
Downwardly open sliding slot is provided at the top of the head cap, the top of the resilient support block is slidably connected at sliding slot
Interior, the top of resilient support block is equipped with the tooth engaged with incomplete meshing gear, when resilient support block is moved to outside vacuum tube,
The free end of third oscillating rod offsets with the side wall sealing of blood needle is sent, and to lower swing, realization that can be relatively simple is when sealing
When the air pressure of cavity increases, swing component drives resilient support block to move to outside vacuum tube, and resilient support block drives pushing piece that will send
Blood is needled into vacuum tube.
Further, the top of the vacuum tube, which is equipped with, can prevent elastic packing plug to the limited block of vacuum in-pipe.
When the air pressure of sealing cavity increases, limited block can effectively prevent elastic packing plug to vacuum in-pipe, guarantee swing component
The distance that resilient support block is moved to outside vacuum tube is driven, makes pushing piece that will smoothly blood be sent to be needled into vacuum tube.
Further, the mounting base include fixing seat, a pair of of anchor ear for selling and being rotatably connected in fixing seat, in fixing seat
Equipped with the fixing groove with vacuum tube bottom mating, anchor ear is matched with the outer surface of vacuum tube, and the free end of anchor ear is inserted equipped with supply and marketing
The location hole entered, the fixation before realization blood sampling that can be relatively simple to vacuum tube.
Further, the bottom centre of first puncture tank to the distance between elastic packing plug bottom be 0.2-0.4mm,
After capable of guaranteeing blood sampling, preferable sealing function of the elastic packing plug to vacuum tube, additionally it is possible to guarantee the gas foot in connecting tube
To complete to send the connection of blood needle and vacuum tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the partial longitudinal section cross-sectional view of the embodiment of the present invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: between vacuum tube 1, limited block 11, elastic packing plug 2, head cap 3, activity
Gap 41, sealing cavity 42, pushing piece 5, third oscillating rod 51, rotation axis 52, incomplete meshing gear 53, resilient support block 6, branch
Support slot 61, swing component 62, the first oscillating rod 63, the second oscillating rod 64, the first spring 66, mounting base 7, fixing seat 71, anchor ear 72.
As shown in Figure 1-Figure 3, a kind of vacuum blood collection tube, including vacuum tube 1, elastic packing plug 2 and head cap 3, head cap 3 and true
Blank pipe 1 is threadedly coupled, and elastic packing plug 2 and 1 nozzle of vacuum tube are interference fitted, and the preferred elastic packing plug 2 of the present embodiment is rubber
Plug.The top center of head cap 3 is equipped with the puncture orifice that feed blood is needled into, and there are free gaps between elastic packing plug 2 and head cap 3
41.The top of vacuum tube 1 is equipped with the limited block 11 that can prevent elastic packing plug 2 from moving into vacuum tube 1.Elastic packing plug 2
It is equipped with the first puncture tank to 1 outward opening of vacuum tube, the bottom centre of the first puncture tank is between 2 bottom of elastic packing plug
Distance is 0.2-0.4mm.
It further include along symmetrical two resilient support blocks 6 in 1 center of vacuum tube, two resilient support blocks 6 and first puncture
Sealing cavity 42 is formed between slot, is opened in resilient support block 6 there are three support slot 61, and each support slot 61 is interior to be equipped with multiple swings
Part 62, two neighboring swing component 62 are connected by the first spring 66, and swing component 62 includes the first oscillating rod 63, the second oscillating rod 64
And sealing sleeve pipe, the first oscillating rod 63 and 64 face of the second oscillating rod arrangement, the first oscillating rod 63 and the second oscillating rod 64 are distinguished
The two sides of support slot 61 are hinged on, the two sides of sealing sleeve pipe are slidably socketed respectively puts in the free end of the first oscillating rod 63 and second
The free end of lever 64, the first oscillating rod 63, the second oscillating rod 64, sealing sleeve pipe and head cap 3 inner sidewall seal and the company of sliding
It connects, under natural conditions, the free end and 64 free end of the second oscillating rod of the first oscillating rod 63 are towards 3 centerline dip of head cap, when close
When sealing 42 air pressure of cavity and increasing, the free end and 64 free end of the second oscillating rod of the first oscillating rod 63 swing to and offset (gradually from
It is tilted towards vertical oscillation), and support slot 61 is propped up.
It further include pushing piece 5 and the swinging chute in head cap 3 and to both-side opening, pushing piece 5 is set in swinging chute, pushes away
Sending part 5 includes third oscillating rod 51, rotation axis 52 and incomplete meshing gear 53, and rotation axis 52 is rotatably connected on head cap 3, no
At a fully engaged gear 53 is fixedly attached to outside rotation axis 52, and one end of third oscillating rod 51 is fixedly connected on incomplete meshing gear
On 53, the other end of third oscillating rod 51 is stretched out from the opening of swinging chute；
The top of head cap 3 is provided with downwardly open sliding slot, and the top of resilient support block 6 is slidably connected in sliding slot, elasticity
The bottom of supporting block 6 is fixedly connected with elastic packing plug 2, and the top of resilient support block 6 is equipped with nibbles with incomplete meshing gear 53
The tooth of conjunction, when resilient support block 6 is moved to outside vacuum tube 1, the free end of third oscillating rod 51 is swung into vacuum tube 1, and
It offsets with sending the side wall of blood needle to seal.
It further include mounting base 7, mounting base 7 is used to fix vacuum tube 1, and prevent vacuum tube 1 from moving in blood collection procedure,
The vertical sectional shape of mounting base 7 is Contraband type, and mounting base 7 includes the fixing seat 71 that longitudinal section is L-type, sells and be rotatably connected on fixation
A pair of of anchor ear 72 on seat 71, fixing seat 71 are equipped with and the matched fixing groove of 1 bottom shape of vacuum tube, the inner surface of anchor ear 72
It is matched with the outer surface of vacuum tube 1, the free end of anchor ear 72 is equipped with the location hole of supply and marketing insertion.
Using this vacuum blood collection tube to children blood was collected when, specifically include following implementation steps:
(1) before taking a blood sample, parent holds children tightly first, and then vacuum tube 1 is placed in fixing seat 71, rotates anchor ear
72, it is directed at the location hole of two anchor ears 72, location hole is inserted pins into, just completes the fixation of vacuum tube 1.
(2) when taking a blood sample, staff will send blood needle (to send from the first puncture tank that head cap 3 is pierced into elastic packing plug 2 first
There are surpluses between blood needle and third oscillating rod 51), send blood needle not to be connected to the inside of vacuum tube 1 at this time.Blood taking needle is pierced into
Children after blood sampling site, the gas in connecting tube can initially enter in the first puncture tank, and make the gas in sealing cavity 42
Pressure increases.In sealing cavity 42 after air pressure increase, the free end and 64 free end of the second oscillating rod of the first oscillating rod 63 are swung to
It offsets, and support slot 61 is propped up.Two neighboring swing component 62 passes through the first spring 66 transmitting the first oscillating rod 63 and the second pendulum
The swing of lever 64.
Since the top of resilient support block 6 is slidably connected in sliding slot (top of head cap 3 is provided with downwardly open sliding slot),
The bottom of resilient support block 6 is fixedly connected with elastic packing plug 2, and the top of vacuum tube 1 be equipped with can prevent elastic packing
The limited block 11 that plug 2 is moved into vacuum tube 1, so resilient support block 6 moves (bullet to outside vacuum tube 1 when support slot 61 is propped up
Property supporting block 6 top slided into sliding slot), engage since the top of resilient support block 6 is equipped with incomplete meshing gear 53
Tooth, so resilient support block 6 drives the free end of third oscillating rod 51 when the top of resilient support block 6 is slided into sliding slot
It swings into vacuum tube 1, and offsets with sending the side wall of blood needle to seal, realize that third oscillating rod 51 drives and send blood needle to vacuum tube 1
Interior movement, to complete that blood needle and the inside of vacuum tube 1 is sent to be connected to, blood is pumped into vacuum tube 1 with spurting.When blood volume is enough
When, staff, which will send in blood needle vacuum tube 1, to extract, extracts blood taking needle to blood sampling site, by vacuum tube 1 from mounting base 7
On remove, just complete entire blood collection procedure.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (6)
1. a kind of vacuum blood collection tube, including vacuum tube, elastic packing plug and head cap, which is characterized in that elastic packing plug and vacuum
Pipe nozzle interference fit, elastic packing are equipped with the first puncture tank to vacuum tube outward opening beyond the Great Wall；It further include along vacuum tube hub
Symmetrical two resilient support blocks, form sealing cavity, resilient support block between two resilient support blocks and the first puncture tank
Multiple support slots are inside provided with, are equipped with swing component in each support slot；It further include pushing piece and the mounting base for fixing vacuum tube；
When the air pressure of sealing cavity increases, swing component drives resilient support block to move to outside vacuum tube, and resilient support block drives push
Part will send blood to be needled into vacuum tube.
2. a kind of vacuum blood collection tube according to claim 1, which is characterized in that the swing component include the first oscillating rod,
Second oscillating rod and sealing sleeve pipe, the first oscillating rod and the second oscillating rod face arrangement, the first oscillating rod and the second oscillating rod point
It is not hinged on the two sides of support slot, the two sides of sealing sleeve pipe are slidably socketed respectively to be swung in the free end of the first oscillating rod and second
The free end of bar, the first oscillating rod, the second oscillating rod, sealing sleeve pipe and head cap inner sidewall seal and be slidably connected, work as sealing
When cavity air pressure increases, the free end of the first oscillating rod and the second oscillating rod free end swing to and offset, and support slot is propped up.
3. a kind of vacuum blood collection tube according to claim 2, which is characterized in that further include being set in head cap and being opened to two sides
The swinging chute of mouth, the pushing piece are set in swinging chute, and the pushing piece includes third oscillating rod, rotation axis and not exclusively engagement
Gear, rotation axis are rotatably connected on head cap, and incomplete meshing gear is fixedly attached to outside rotation axis, one end of third oscillating rod
It is fixedly connected on incomplete meshing gear, the other end of third oscillating rod is stretched out from the opening of swinging chute；
Downwardly open sliding slot is provided at the top of the head cap, the top of the resilient support block is slidably connected in sliding slot, bullet
Property supporting block top be equipped with the tooth that engages with incomplete meshing gear, when resilient support block is moved to outside vacuum tube, third
The free end of oscillating rod is swung into vacuum tube, and is offseted with sending the side wall of blood needle to seal.
4. a kind of vacuum blood collection tube according to claim 3, which is characterized in that the top of the vacuum tube, which is equipped with, to prevent
Only limited block of the elastic packing plug to vacuum in-pipe.
5. a kind of vacuum blood collection tube according to claim 4, which is characterized in that the mounting base include fixing seat, pin and
A pair of of the anchor ear being rotatably connected in fixing seat, fixing seat are equipped with the fixing groove with vacuum tube bottom mating, anchor ear and vacuum
The outer surface of pipe matches, and the free end of anchor ear is equipped with the location hole of supply and marketing insertion.
6. a kind of vacuum blood collection tube according to claim 5, which is characterized in that the bottom centre of first puncture tank arrives
The distance between elastic packing plug bottom is 0.2-0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242460.XA CN109124654A (en) | 2018-10-24 | 2018-10-24 | A kind of vacuum blood collection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242460.XA CN109124654A (en) | 2018-10-24 | 2018-10-24 | A kind of vacuum blood collection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109124654A true CN109124654A (en) | 2019-01-04 |
Family
ID=64809577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811242460.XA Pending CN109124654A (en) | 2018-10-24 | 2018-10-24 | A kind of vacuum blood collection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109124654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113498776A (en) * | 2021-06-17 | 2021-10-15 | 深圳逗点生物技术有限公司 | Biological transport system, biological transport method, and blood cell preservation system |
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| CN113498776A (en) * | 2021-06-17 | 2021-10-15 | 深圳逗点生物技术有限公司 | Biological transport system, biological transport method, and blood cell preservation system |
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