CN208822799U - Vacuum blood collector - Google Patents
Vacuum blood collector Download PDFInfo
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- CN208822799U CN208822799U CN201820635431.9U CN201820635431U CN208822799U CN 208822799 U CN208822799 U CN 208822799U CN 201820635431 U CN201820635431 U CN 201820635431U CN 208822799 U CN208822799 U CN 208822799U
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- cap
- tube body
- rod
- vacuum blood
- connecting port
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Abstract
The utility model discloses a kind of vacuum blood collectors, belong to the field of medical instrument technology, it is inconvenient to solve existing vacuum blood collector blood sampling, it takes a blood sample problem at high cost, a kind of technical solution taken: vacuum blood collector, including hollow tube body, end cap is equipped in the one end of tube body, piston and the body of rod are for being plugged in tube body, the body of rod is equipped with fracture close to the one end of piston, tube body another side is equipped with the barrier structure for stopping piston, it is characterized in that, end cap is equipped with the connecting port communicated with tubular body, it is equipped with and is used for and the joining coupling structure of cap body in connecting port；Cap is connected by soft band with end cap, cap is used to snap onto the outer end of end cap to close connecting port, it is lived so that piston is blocked structure barrier, the body of rod is used from after incision position disconnection as test tube, in the used time for making test tube, the inside of the tube body other end is located at positioned at the outer end of the intracorporal body of rod of pipe.
Description
Technical field
The utility model relates to medical instruments, more particularly to a kind of vacuum blood collector.
Background technique
In clinical medicine using upper, for the diagnosis of some patient's diseases, it is sometimes desirable to carry out one to the blood of patient
A little pathological examinations.Vacuum blood collector is mainly used for carrying out blood collected storage and inspection as a kind of medical instrument,
For the data accuracy for guaranteeing blood testing, blood storage and during inspection to close envelope property require it is very high.Therefore, blood
After being injected device acquisition, need in time to be transferred in vacuum blood collection tube blood.Blood needs to pass through injection needle in transfer
Then the rubber end socket set by the blood sampling tube end is pushed into heparin tube the collected blood of institute is counter.
Utility model patent (patent No.: discloses a kind of vacuum blood collection tube, belongs to Medical treatment device in 201620350436.8)
Tool technical field solves the inconvenient defect of existing vacuum blood collection tube assembly, a kind of technical solution taken: vacuum blood collection
Pipe, including test tube, test tube have blind end and open end, are equipped with columnar helmet at the open end of test tube, and the two of helmet
End communicates, and helmet is threaded in the open end of test tube, which is characterized in that integrally formed with interior to bulge loop on helmet inner peripheral surface,
The rubber plug plug of "convex" shaped is in helmet, and the small head end of rubber plug is plugged on interior into bulge loop, and the stub end of rubber plug is towards helmet
The outer end face in outside, rubber plug is equipped with recess.
This heparin tube is for accepting the collected blood of hemostix institute, and the injection needle on hemostix is poking rubber plug
When, a degree of pollution easily caused to syringe needle, and the syringe needle produced pollution blood is counter push away during can enter and adopted
Collect in blood, and influences the detection data to blood.In addition, not only needing hemostix, but also need when carrying out blood collection
Heparin tube, troublesome in poeration, use cost is high.
Utility model content
To overcome drawbacks described above, the utility model technical issues that need to address: providing a kind of novel vacuum blood collector,
The hemostix is after having acquired blood, it may not be necessary to blood is transferred in other containers again, it is easy to operate.
To solve the technical problem, the technical solution of the utility model includes: a kind of vacuum blood collector, including hollow pipe
Body is equipped with end cap, piston and the body of rod for being plugged in tube body in the one end of tube body, and the body of rod is set in the one end of piston
There is fracture, tube body another side is equipped with the barrier structure for stopping piston, which is characterized in that end cap is equipped with and tubular body
The connecting port communicated, interior be equipped with of connecting port are used for and the joining coupling structure of cap body；Cap is connected by soft band with end cap,
Cap is used to snap onto the outer end of end cap to close connecting port, lives so that piston is blocked structure barrier, the body of rod is from fracture
Place is used after disconnecting as test tube, in the used time for making test tube, is located at the tube body other end positioned at the outer end of the intracorporal body of rod of pipe
Inside.
When blood was collected, by the body of rod with piston towards movement at the other end of tube body, and blood is drawn into pipe
In vivo.Barrier structure stops piston abjection tube body, and fracture is located at another end position of tube body, and throw rod cognition makes exposed
The body of rod is broken off from incision position, and the outer end for staying in the intracorporal body of rod of pipe is retracted in tube body, this can by fracture in bar
Setting position on body determines.
Further, the inner wall of connecting port is equipped with spiral lamination, integrally formed with outstanding on the periphery of cap body end
Export-oriented bulge loop, export-oriented bulge loop with spiral lamination for being mutually clamped and realizing axial restraint of the cap body on end cap.Injection needle is assembled to
When in connecting port, it is connected to export-oriented bulge loop in spiral lamination by rotary injection needle, so that injection needle shaft is to fixedly coupling
In connecting port, the axial stability of injection needle can guarantee.
Further, end ring is equipped on the outer end face of end cap, cap is in cover shape, and cap is for snapping onto end ring.It is logical
Setting end ring is crossed, and cap is snapped on end ring and realizes the closing to connecting port, passes through the cooperation of end ring and cap, the two
Between cooperation compactness it is good.
Further, it is equipped with the connecting column for linking up connecting port and tubular body at the axial location of connecting port, is coupling
The cavity for accommodating cap body wall body is formed between column and connecting port.By the way that connecting column is arranged, enable the cap body of injection needle
It is enough socketed on the end of connecting column, the fastness that couples between injection needle and end cap can be effectively improved, cap body is in connecting port
Interior good airproof performance.
Further, at the back side of cap integrally formed with lasso and inserting column, inserting column is located at the center location of lasso, inserts
For column for being plugged in connecting column, lasso is used to be socketed in the periphery of connecting column.Setting and connecting column by inserting column and lasso
It matches, cap is good to the sealing effect of connecting port, is convenient for hemostix when test tube is used.
Further, on cap integrally formed with towards radial outside protruding portion outstanding, protruding portion with it is described soft
Band is arranged on the opposite sides of cap.The setting of the protruding portion, so that protruding portion can be projected into when cap snaps on end cap
The outside of end cap, and convenient for cap is pulled open from protruding portion.
Further, the side of end cap towards tube body is formed as skirt section, and skirt section is socketed in the one end of tube body and passes through spiral shell
Line links together, the oral area inner circumferential in the outside of screw thread integrally formed with baffle ring outstanding on tube body outer peripheral surface, in skirt section
Integrally formed with inner ring outstanding on face, baffle ring realizes axially position of the end cap on tube body to the blocking of inner ring.End
After lid is tightened in place with tube body, baffle ring can cross inner ring and contradict in inner ring, and end cap cannot be disengaged reversely easily, and end cap exists
Axial stability on tube body is good.
Further, the flaring of annular is equipped on the inner peripheral surface of skirt section oral area, inner ring is molded on the inner peripheral surface of flaring.
It is flared by setting, so that inner ring itself can have certain height, the blocking convenient for baffle ring to inner ring can be effectively improved
Couple fastness between end cap and tube body.
Further, inner ring radially, the inside of the prominent inner ring of screw thread on skirt section；Baffle ring is projected into screw thread on tube body
Radial outside.This facilitates being connected and fixed between end cap and tube body convenient for the one end of tube body is passed through from inner ring.
Further, the outer end side of the body of rod be equipped with baffle, the outer diameter of baffle and the outer diameter of tube body are equal, baffle perpendicular to
Body of rod setting.It by the blocking of baffle and the tube body other end, and realizes to piston in the intracorporal limit of pipe, can effectively ensure that this
The job stability of hemostix.
Therefore, the utility model has the beneficial effects that the end cap of this vacuum blood collector is equipped with connecting port, by connecting port
The inline injection needle that is connected to can work as hemostix, or even when syringe is used；By operating rod band piston, piston is pulled to described
Barrier structure at, from incision position exposed body of rod switch out, remove cap on syringe cover, the examination of this hemostix can be realized
Pipe function.This hemostix is during actual operate with, and after blood sampling, is not required to that blood is counter to be shifted onto heparin tube,
Will not therefore and the step of cause the pollution of blood, simplified blood sampling, do not need in addition to reduce again with heparin tube blood sampling at
This.
The making material of the body of rod generally has certain hardness, and the usual body of rod is all plastic products, and the gap of the body of rod is easy
It generates relatively sharp burr and, now after exposed body of rod switch out, it is intracorporal to stay in pipe if accidentally easily causing harm to the human body
The outer end of the body of rod can be retracted in tube body, then can reduce a possibility that being injured, and can effectively improve the safety used.Separately
Outside, it is also convenient for directly shelving in the plane the other end of tube body in the used time for making test tube, facilitates placement.
Detailed description of the invention
Fig. 1 be this vacuum blood collector not with injection needle when longitudinal sectional view.
Fig. 2 is the longitudinal sectional structure chart for the used time that this vacuum blood collector makees test tube.
Fig. 3 is longitudinal sectional view when this vacuum blood collector has injection needle.
Fig. 4 is after cap is opened, and end cap and tube body are connected the amplification assumption diagram at position.
Fig. 5 is cap and when end cap snaps together, and end cap and tube body are connected the amplification assumption diagram at position.
Specific embodiment
In conjunction with attached drawing, the main structure of this vacuum blood collector includes hollow tube body 2, and 2 both ends of tube body communicate, in tube body 2
One end be equipped with end cap 5, the end cap 5 is for coupling injection needle 8 or connect blood vessel cap, in blood collection to tube body 2.In pipe
Piston 4 is slideably equipped in body 2, the other end of piston 4 from tube body 2 is inserted into tube body 2, and the setting of piston 4 is moulded by hard
The inner end of the body of rod 3 made of expecting.The cross section of the body of rod 3 is " ten " font, fracture 31 is equipped on the body of rod 3, fracture 31 is in bar
Close to the side of piston 4 on body 3, the body of rod 3 is laterally pulled, the body of rod 3 can disconnect at fracture 31, and make piston 4 that can stay in pipe
In body 2, piston 4 can close the other end of tube body 2.
End cap 5 be equipped with the connecting port that is communicated inside tube body 2, be equipped in connecting port for and the joining connection of cap body
Structure shows that the cap body is the needle cap 81 of injection needle 8 in figure.Cap 7 is equipped on end cap 5, both cap 7 and end cap 5 are same
Material is integrally formed, and both cap 7 and end cap are linked together by relatively thin soft band 6 with end cap 5.End cap 5
After connecing on tube body 2, without in use, cap 7 is usually to snap on end cap 5, to close connecting port.And
In use, pulling open cap 7, the cap body on injection needle 8 or heparin tube is connected in connecting port, by the body of rod 3 piston 4 towards
The other end of tube body 2 pulls, and enters blood in tube body 2, when piston 4 advances at the barrier structure position in tube body 2
And stop sliding, the exposed body of rod 3 is laterally pulled, the body of rod 3 is disconnected from fracture 31, because of setting position of the fracture 31 on the body of rod 3
It sets and to be fully retracted in tube body 2 with the joining part body of rod 3 of piston 4.The corresponding portion coupled in connecting port is removed again
Part is used as test tube after buckling cap 7.
The barrier structure, which can be, to be molded over interior to bulge loop at 2 other end of tube body, is also possible to be integrally formed and is existed
Annular solid outstanding on 2 other end inner peripheral surface of tube body, by pairs of between spaced ring plate and annular solid on the body of rod 3
Stop, and piston 4 is terminated on target position.
Spiral lamination is equipped on the inner wall of connecting port, spiral lamination is equivalent to helicitic texture, corresponding cap body end
Cap body is rotated in connecting port inner circumferential when realizing connection integrally formed with export-oriented bulge loop outstanding on periphery, and export-oriented
Bulge loop is screwed into spiral lamination, and export-oriented bulge loop is mutually clamped with spiral lamination and realizes axial restraint of the cap body on end cap 5, is also facilitated
Disassembly.The connecting column 53 of penetration is equipped on the bottom surface of connecting port, connecting column 53 is hollow, and connecting column 53 is located at the axis of connecting port
At position.The internal diameter of connecting port is greater than the outer diameter of connecting column 53, has cavity, cap body connection between connecting port and connecting column 53
When in connecting port, the wall body of cap body is contained in the cavity, and cap body is tightly socketed in the end of connecting column 53.
Integrally formed with multiple structures for being matched with corresponding construction on end cap 5 on 7 back side of cap, firstly, cap 7
In cover shape, integrally formed with end ring 52 on the outer end face of end cap 5, cap 7 can be snapped on end ring 52.In addition, in cap 7
The back side is located at the center location of lasso 72 integrally formed with lasso 72 and inserting column 71, inserting column 71, and inserting column 71 is pluggable to be coupled
In column 53, lasso 72 can be socketed in the periphery of connecting column 53.
There is certain seal request when snapping together between cap 7 and end cap 5, for convenient for pulling open cap 7, in cap 7
On integrally formed with towards radial outside protruding portion 73 outstanding, protruding portion 73 is arranged on the opposite of cap 7 with the soft band 6
Two sides.The outer diameter of 5 the two of 7 main part of cap and end cap is usually identical, after cap 7 snaps on end cap 5, protruding portion 73
The outside of end cap 5 can be projected into.
The side of end cap 5 towards tube body 2 is formed as skirt section 51, and skirt section 51 is socketed in the one end of tube body 2 and passes through screw thread
It links together.In the outside of screw thread integrally formed with baffle ring 21 outstanding on 2 outer peripheral surface of tube body, in the oral area in skirt section 51
Integrally formed with inner ring 54 outstanding on circumferential surface, baffle ring 21 realizes that axial direction of the end cap 5 on tube body 2 is fixed to the blocking of inner ring 54
Position.Inner ring 54 radially, the inside of the prominent inner ring 54 of screw thread on skirt section 51, and pass through inner ring convenient for the one end of tube body 2
54；Baffle ring 21 is projected into the radial outside of screw thread on tube body 2, and baffle ring 21 is blocked in inner ring 54, with realization pair
The axially position of end cap 5.To make inner ring 54 that there is enough projecting heights on skirt section 51, and passed through convenient for one end of tube body 2
Inner ring 54, is equipped with the flaring of annular on the inner peripheral surface of 51 oral area of skirt section, and inner ring 54 is molded on the inner peripheral surface of flaring.
Integrally formed with positioning ring on the bottom surface in skirt section 51, after end cap 5 is connected on tube body 2, positioning ring is used for grafting
Into tube body 2.For the structure for adapting to above-mentioned baffle ring 21 and inner ring 54, the convex of several bar shapeds is provided on the outer peripheral surface in skirt section 51
Line 55 enables baffle ring 21 to cross inner ring 54 so as to tighten end cap 5.
Piston 4 cannot be deep at 5 position of end cap in tube body 2, and when in order to avoid reversely pulling the body of rod 3, piston 4 is not easy to slide
Dynamic, therefore, in the outer end side of the body of rod 3 integrally formed with baffle 1, the outer diameter of baffle 1 is equal with the outer diameter of tube body 2, and baffle 1 is vertical
It is arranged in the body of rod 3.Blocking by the other end of tube body 2 to baffle 1, and realize the limit to piston 4 in tube body 2.
Claims (10)
1. a kind of vacuum blood collector is equipped with end cap in the one end of tube body, piston and the body of rod are used for grafting including hollow tube body
In tube body, the body of rod is equipped with fracture close to the one end of piston, and tube body another side is equipped with the blocking junction for stopping piston
Structure, which is characterized in that end cap is equipped with the connecting port communicated with tubular body, is equipped in connecting port for joining with cap body
Coupling structure；Cap is connected by soft band with end cap, and cap is used to snap onto the outer end of end cap to close connecting port, with
Just piston is blocked that structure barrier is lived, the body of rod is used from after incision position disconnection as test tube, in the used time for making test tube, is located at pipe
The outer end of the intracorporal body of rod is located at the inside of the tube body other end.
2. vacuum blood collector according to claim 1, which is characterized in that the inner wall of connecting port is equipped with spiral lamination, cap
Integrally formed with export-oriented bulge loop outstanding on the periphery in body end portion, export-oriented bulge loop with spiral lamination for being mutually clamped and realizing cap body and exist
Axial restraint on end cap.
3. vacuum blood collector according to claim 1, which is characterized in that be equipped with end ring, cap on the outer end face of end cap
In cover shape, cap is for snapping onto end ring.
4. vacuum blood collector according to claim 1, which is characterized in that be equipped with ditch communications and liaison at the axial location of connecting port
The connecting column of interface and tubular body is formed with the cavity for accommodating cap body wall body between connecting column and connecting port.
5. vacuum blood collector according to claim 4, which is characterized in that integrally formed with lasso and inserted at the back side of cap
Column, inserting column are located at the center location of lasso, and for inserting column for being plugged in connecting column, lasso is used to be socketed in the outer of connecting column
Week.
6. vacuum blood collector according to claim 5, which is characterized in that integrally formed with towards radial outside on cap
Protruding portion outstanding, protruding portion and the soft band are arranged on the opposite sides of cap.
7. vacuum blood collector according to claim 1, which is characterized in that the side of end cap towards tube body is formed as skirt section,
Skirt section is socketed in the one end of tube body and is together by a threaded connection, and is integrally formed on tube body outer peripheral surface in the outside of screw thread
There is baffle ring outstanding, integrally formed with inner ring outstanding on the oral area inner peripheral surface in skirt section, baffle ring realizes the blocking of inner ring
Axially position of the end cap on tube body.
8. vacuum blood collector according to claim 7, which is characterized in that be equipped with annular on the inner peripheral surface of skirt section oral area
Flaring, inner ring are molded on the inner peripheral surface of flaring.
9. vacuum blood collector according to claim 8, which is characterized in that inner ring radially, screw thread on skirt section is prominent
The inside of inner ring；Baffle ring is projected into the radial outside of screw thread on tube body.
10. vacuum blood collector according to any one of claims 1 to 9, which is characterized in that be equipped with gear in the outer end side of the body of rod
Piece, the outer diameter of baffle and the outer diameter of tube body are equal, and baffle is arranged perpendicular to the body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820635431.9U CN208822799U (en) | 2018-05-01 | 2018-05-01 | Vacuum blood collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820635431.9U CN208822799U (en) | 2018-05-01 | 2018-05-01 | Vacuum blood collector |
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| Publication Number | Publication Date |
|---|---|
| CN208822799U true CN208822799U (en) | 2019-05-07 |
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ID=66304148
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820635431.9U Active CN208822799U (en) | 2018-05-01 | 2018-05-01 | Vacuum blood collector |
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| CN (1) | CN208822799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108338797A (en) * | 2018-05-01 | 2018-07-31 | 三门县民生医药器材有限公司 | vacuum blood collector |
-
2018
- 2018-05-01 CN CN201820635431.9U patent/CN208822799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108338797A (en) * | 2018-05-01 | 2018-07-31 | 三门县民生医药器材有限公司 | vacuum blood collector |
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