CN203597956U - Novel vacuum blood collection tube - Google Patents
Novel vacuum blood collection tube Download PDFInfo
- Publication number
- CN203597956U CN203597956U CN201320743805.6U CN201320743805U CN203597956U CN 203597956 U CN203597956 U CN 203597956U CN 201320743805 U CN201320743805 U CN 201320743805U CN 203597956 U CN203597956 U CN 203597956U
- Authority
- CN
- China
- Prior art keywords
- capping plug
- collection tube
- blood
- plug
- capping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000008280 blood Substances 0.000 title claims abstract description 87
- 210000004369 blood Anatomy 0.000 title claims abstract description 87
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 241001484259 Lacuna Species 0.000 claims description 14
- 239000013536 elastomeric material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000013013 elastic material Substances 0.000 abstract 1
- 239000012780 transparent material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 210000003811 finger Anatomy 0.000 description 6
- 208000012266 Needlestick injury Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 238000001467 acupuncture Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 238000010241 blood sampling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Images
Abstract
A novel vacuum blood collection tube is composed of a plastic protective cap, a capping plug and a collection tube body in an integrated mode. The blood collection tube body is made of transparent material, the capping plug is made of elastic material, and the outer diameter of the lower end of the capping plug is larger than the inner diameter of an end opening of the collection tube body. The plastic protective cap is placed outside the capping plug and used for preventing the capping plug from falling and deforming caused by external force. A round pit is formed in the center of the upper end of the capping plug, and a round pit is formed in the center of the lower end of the capping plug. The hardness and the diameter of the capping plug material need to meet the requirement that seal performance between the capping plug and the end opening of the collection tube body is higher or equal to 120%-130% of preset negative pressure in the collection tube body. Puncturing resistance, formed by the distance from the pit in the lower end of the capping plug to the pit in the upper end of the capping plug, on a blood collection needle is equal to 0.85%-0,9% of resilience force which is formed by compressing a blood stopping sleeve of the blood collection needle longitudinally by 60%-80%. Working efficiency of blood collection can be improved, labor intensity of medical staff is relieved, and the novel vacuum blood collection tube has the advantages of being safe, reliable and convenient and rapid to use and eliminating needling hurt.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, a kind of novel evacuated blood taking tube specifically, and it is for the single tube of venous blood specimen or the gatherer process of multitube.
Background technology
The collection of venous blood specimen is generally used for blood cytology, nosetiology, immunology, hereditism and other related discipline indexs to carry out detailed detection, very wide in clinical middle application, at present in venous blood collection, various countries clinical medical and nursing personnel, use pen type, the puncture of split type vein blood taking needle to coordinate vacuum test tube to implement more; This utility model only relates to the vacuum blood collection container in venous blood gatherer process.
The clinical common use pen type blood collection of medical treatment and hose type blood taking needle coordinate vacuum test tube to implement the collection of venous blood specimen both at home and abroad at present; The basic structure of blood taking needle is the needle tubing connecting, and there is sharp cutting edge at its two ends; In needle tubing, hypomere is fixed on needle stand, and front end is that venipuncture needle, rear end are that collection blood pin, collection blood wire surface have blood resistance unit, needle tubing two ends to have protective casing.When use, blood taking needle rotation is fixed on to capping plug outer cylinder front end, implements venipuncture, vacuum test tube is inserted to capping plug rear end cavity, make to collect blood pin rear end cutting edge through blood resistance unit and run through and thrust vacuum tube plug, under suction function, in blood suction blood taking tube; No matter which kind of blood taking needle, all needs to use vacuum test tube; Current vacuum blood collection tubular construction is to be made up of collection of specimens pipe (glass or plastic material are made), rubbery plug lid, plastics helmet.In order to keep permanent (more than 1 year) of negative pressure in container (vacuum), require gag material to have certain consistency and elasticity, to strengthen the sealing property of adhering to of itself and container tube wall.But, at the broken pipe close of collection blood acupuncture, enter in the process in container tube, because the hardness of gag is very large, just increased medical personnel's operation easier, puncture force is increased; And this puncture force is far longer than the resilience force of collection blood pin blood resistance unit, makes to collect blood pin and is puncturing after pipe close, maintain collection blood pin appearance (gag wraps up collection blood pin therein, can not dissociate or move).In the time that collect specimen finishes, just need medical personnel firmly to pull out vacuum tube, make to collect the parcel that blood pin departs from capping plug.So action, every day is hundreds of inferior, has increased medical personnel's labor intensity, usually can cause finger to swell and ache; And in operation, there is to collect blood pin and accelerate to separate action at the inertia that departs from moment with vacuum tube, cause unexpected injury, as the thing that collection blood pin pollutes or needle stick injury is pointed occurs.
So, be necessary to make and a kind ofly can definitely keep vacuum in collection tube permanent and alleviate not only collection blood for puncture force, the while of capping plug but also can reduce or prevent from collecting the novel evacuated blood taking tube of one of the inertial force in blood pin and capping plug detach procedure, be applied to the gatherer process of clinical vein blood specimen.
The technical program, designs for overcoming above-mentioned deficiency.
Summary of the invention
This utility model is exactly the solution proposing for the existing deficiency of above-mentioned venous blood collection process.Have safe, reliable, easy, practical, inexpensive, can simplify clinical manipulation program, increase work efficiency, eliminate the feature of needle stick injury; Specifically, it is a kind of novel evacuated blood taking tube.
This utility model is realized by following scheme: a kind of novel evacuated blood taking tube, by: collection tube, capping plug, plastics helmet form jointly; It is characterized in that: collection tube is the transparent blind pipe of being made up of glass or plastics, capping plug is the entity end plug of being made up of elastomeric material, its lower end D outer diameter is greater than collection tube port internal diameter B, in vacuum environment, capping plug lower end is pressed in collection tube upper end hole, plastics helmet is placed in the outside of capping plug, prevents coming off and being subject to External Force Acting generation deformation of capping plug, causes the sealing of itself and collection tube port to change.
Have a circular lacuna in the upper end of capping plug central authorities, its degree of depth is the 40-60% of capping plug height, and its internal diameter is the 40-50% of capping plug external diameter; There is a circular lacuna in the lower end central authorities of capping plug, and its degree of depth is the 20-30% of capping plug height, and its internal diameter is the 30-35% of capping plug lower end diameter;
The sealing property that the hardness of capping plug elastomeric material and capping plug diameter are adjusted to itself and collection tube port is equal to or greater than the 120-130% of collection tube negative pressure;
The penetration Resistance to collection blood pin that the lower end lacuna of capping plug forms to the distance between the lacuna of upper end equals to collect the 0.85-0.90 of the resilience force after blood pin blood resistance unit longitudinal compression 60-80%;
A kind of novel evacuated blood taking tube of this utility model, operate with conventional Venous Sampling Methods: after row vein punctures successfully, the right hand is held the fixing venipuncture needle of urceolus position, left hand is taken vacuum test tube, rubber plug for vacutainer end is inserted to urceolus tail end cavity, thumb is pressed vacuum test tube bottom, four fingers are separately controlled urceolus crimping hands handle, finger is firmly held mutually, vacuum test tube is inserted to urceolus, make to collect the broken blood resistance unit of blood acupuncture and pass vacuum test tube front end capping plug, blood taking tube is connected with collection blood needle tubing reliably, venous blood suction can be entered to vacuum test tube by the negative pressure in blood taking tube, in the time that negative pressure disappears, that is gather blood volume while reaching pre-provisioning request, can unclamp the compressing of finger to blood taking tube bottom, because the resilience force of blood resistance unit is greater than the parcel power of capping plug to collection blood pin, blood taking tube slowly can be upspring, blood taking tube is beaten easily out in have gentle hands, complete first and gather, repeat above-mentioned action, can realize the collection of multitube venous blood specimen.
Because this utility model has adopted the structure that lowers capping plug center puncture thickness, can alleviate the resistance of collection blood pin puncture capping plug process, alleviate greatly the finger pain of injury that the permanent operation of medical personnel causes; Increase work efficiency.Eliminate medical personnel by the generation of needle stick injury.
Accompanying drawing explanation
Fig. 1 is the overall structure decomposing schematic representation of a kind of novel evacuated blood taking tube of this utility model;
Fig. 2 is the cap plug structure schematic diagram of a kind of novel evacuated blood taking tube of this utility model;
Fig. 3 is the overall structure schematic diagram of a kind of novel evacuated blood taking tube of this utility model;
The specific embodiment
From Fig. 1, in conjunction with Fig. 2 and Fig. 3, a kind of novel evacuated blood taking tube of this utility model is to be made up of plastics helmet 1, capping plug 2, collection tube 3.Capping plug 2 is in vacuum environment in advance, be pressed in blood taking tube 3 ports, form sealing, departing from after vacuum environment, keep the interior vacuum of collection tube and maintain certain time limit, plastics helmet 1 is enclosed within the appearance of capping plug 2 and collection tube 3, reduces external force to capping plug effect, prevent coming off and being subject to External Force Acting generation deformation of capping plug, cause the sealing of itself and collection tube port to change.
The front end of plastics helmet 1 has circular hole 11, and its aperture is slightly larger than the circular lacuna internal diameter of capping plug 2 upper ends; Capping plug 2 is by elastomeric material, and as the circular solids object that rubber is made, there is a lacuna 21 in its upper end central authorities, and its degree of depth is the 40-60% of capping plug height, and its internal diameter is the 40-50% of capping plug external diameter; There is a circular lacuna in the lower end central authorities of capping plug, and its degree of depth is the 20-30% of capping plug height, and its internal diameter is the 30-35% of capping plug lower end external diameter;
The hardness of capping plug elastomeric material and diameter are adjusted to and are met the 120-130% that is equal to or greater than preset negative pressure in collection tube with the sealing property of collection tube port;
The penetration Resistance to collection blood pin that the lower end lacuna of capping plug forms to the distance between the lacuna of upper end equals to collect the 0.85-0.90 of the resilience force after blood pin blood resistance unit longitudinal compression 60-80%;
Collection tube 3 is transparent blind pipes of being made up of glass or plastics, and capping plug is made up of elastomeric material, and its lower end D outer diameter is greater than collection tube port internal diameter B, and capping plug, in vacuum environment, is pressed in collection tube upper end hole, and plastics helmet is placed in the outside of capping plug.
More than form the overall structure of a kind of novel evacuated blood taking tube of this utility model.
Owing to having adopted the capping plug with lower end lacuna structure, make medical personnel in to the piercing process of collection blood pin, reduce the penetration Resistance of about 40-50%, alleviate work, reduce the finger pain of injury that permanent puncture causes; Because capping plug is less than the resilience force of blood resistance unit to the parcel power of collection blood pin, make in the time gathering end, the action that blood taking tube departs from collection blood pin becomes slight automatic detach procedure, effective has thus reduced counteracting force when collection blood pin separates with capping plug, can effectively prevent the generation of needle stick injury;
Due to the effect of above device, make this utility model can improve the work efficiency of blood sampling; Reduce medical personnel's labor intensity; There is safe, reliable, convenient, practical feature.
Claims (4)
1. a novel evacuated blood taking tube, is made up of plastics helmet (1), capping plug (2), collection tube (3); It is characterized in that: collection tube (3) is the transparent blind pipe of being made up of glass or plastics, and capping plug (2) is the end plug of being made up of elastomeric material, its lower end D outer diameter is greater than collection tube (3) port internal diameter B; In vacuum environment, capping plug (2) lower end is pressed in collection tube (3) upper end hole; Plastics helmet (1) is placed in the outside of capping plug (2).
2. according to the novel evacuated blood taking tube of the said one of claim 1, it is characterized in that: have a circular lacuna (21) in the upper end central authorities of capping plug (2), its degree of depth is the 40-60% of capping plug (2) height, and its internal diameter is the 40-50% of capping plug (2) upper end external diameter; There is a circular lacuna (22) in the lower end central authorities of capping plug, and its degree of depth is the 20-30% of capping plug (2) height, and its internal diameter is the 30-35% of capping plug (2) lower end external diameter.
3. according to the novel evacuated blood taking tube of the said one of claim 1, it is characterized in that: the sealing property of the hardness of capping plug (2) elastomeric material and lower end external diameter and collection tube (3) port is equal to or greater than the 120-130% of preset negative in collection tube.
4. according to the novel evacuated blood taking tube of the said one of claim 1, it is characterized in that: the penetration Resistance to collection blood pin that the lower end lacuna (22) of capping plug (2) forms to the distance between upper end lacuna (21) equals to collect the 0.85-0.90 of the resilience force after blood pin blood resistance unit longitudinal compression 60-80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743805.6U CN203597956U (en) | 2013-11-19 | 2013-11-19 | Novel vacuum blood collection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743805.6U CN203597956U (en) | 2013-11-19 | 2013-11-19 | Novel vacuum blood collection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203597956U true CN203597956U (en) | 2014-05-21 |
Family
ID=50710667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743805.6U Expired - Lifetime CN203597956U (en) | 2013-11-19 | 2013-11-19 | Novel vacuum blood collection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203597956U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171093A (en) * | 2021-04-25 | 2021-07-27 | 苏福淋 | Neurosurgery vacuum test tube dropout prevention means |
| CN113242743A (en) * | 2018-12-19 | 2021-08-10 | 赛诺菲 | Plastic primary package for an injection device |
-
2013
- 2013-11-19 CN CN201320743805.6U patent/CN203597956U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113242743A (en) * | 2018-12-19 | 2021-08-10 | 赛诺菲 | Plastic primary package for an injection device |
| CN113171093A (en) * | 2021-04-25 | 2021-07-27 | 苏福淋 | Neurosurgery vacuum test tube dropout prevention means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SUZHOU LINGYAN MEDICAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SUZHOU LINGYAN MEDICAL DEVICES CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 215164 Jiangsu city of Suzhou province Wuzhong District Xukou Xu Jiang Industrial Park Cottage Road No. 99 Patentee after: SUZHOU LINGYAN MEDICAL TECHNOLOGY Co.,Ltd. Address before: 215164 Jiangsu city of Suzhou province Wuzhong District Xukou Xu Jiang Industrial Park Cottage Road No. 99 Patentee before: SUZHOU LINGYAN MEDICAL DEVICES Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |