CN209122371U - A kind of vascular puncture device - Google Patents
A kind of vascular puncture device Download PDFInfo
- Publication number
- CN209122371U CN209122371U CN201820479624.XU CN201820479624U CN209122371U CN 209122371 U CN209122371 U CN 209122371U CN 201820479624 U CN201820479624 U CN 201820479624U CN 209122371 U CN209122371 U CN 209122371U
- Authority
- CN
- China
- Prior art keywords
- needle tubing
- catheter block
- puncture needle
- peripheral catheters
- puncture
- 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.)
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- 230000002792 vascular Effects 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 40
- 239000008280 blood Substances 0.000 abstract description 35
- 210000004369 blood Anatomy 0.000 abstract description 35
- 210000001105 femoral artery Anatomy 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 4
- 210000003191 femoral vein Anatomy 0.000 description 13
- 239000000243 solution Substances 0.000 description 4
- 241000167854 Bourreria succulenta Species 0.000 description 3
- 235000019693 cherries Nutrition 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of vascular puncture devices of medical instruments field, including puncture needle tubing, peripheral catheters, catheter block and needle tubing seat, the front end of the puncture needle tubing forms puncture needle, the coaxially connected catheter block in front end of the needle tubing seat, the tail end of the coaxially connected peripheral catheters in the front end of the catheter block, the puncture needle tubing sequentially coaxially run through the needle tubing seat, catheter block and the peripheral catheters；The puncture needle is pierced by the front end of the peripheral catheters；The periphery wall of the peripheral catheters front end is equipped with the notch of several periphery walls through the peripheral catheters；Cavity is formed between the catheter block and the radial direction for puncturing needle tubing.Its technical effect is that: it can shunt arterial blood and venous blood, help operator timely and effectively to judge whether puncture needle reaches or pierced through femoral artery, prevent the generation of malpractice.
Description
Technical field
The utility model relates to a kind of vascular puncture devices of medical instruments field.
Background technique
Vascular puncture device is mainly used in femoral venous puncture operation, it is difficult to be suitable for periphery shallow venipuncture, but need
The patient of blood was collected sample or venous transfusion is clinical more common deep venouspuncture utensil.
The blood vessel of human body stock site of puncture gathers, and femoral vein is hidden in the rear side of femoral artery, therefore wears carrying out femoral vein
When thorn, before the puncture needle in sting device reaches femoral vein, it is accessible to or even is pierced through Human Femoral Artery, causes human body big
Bleeding, to bring life hidden danger to patient.
In general doctor judges whether puncture needle reaches femoral vein by the blood color in observation puncture needle tubing, if but
Puncture needle has broken through femoral artery and has reached femoral vein, and the blood flowed out in puncture needle tubing at this time only has venous blood, if doctor
The raw appearance for judging such situation not in time, continues to treat, may generate serious consequence.This is because wearing
When pricker reaches femoral vein, there was only venous return if not penetrating femoral artery；The blood of femoral artery if breaking through femoral artery
Also it can flow back, the blood to flow back at this time will appear venous blood and the phenomenon that arterial blood exists simultaneously, and operator is allowed to be difficult to differentiate.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of vascular puncture device, can be with
Operator is helped timely and effectively to judge whether puncture needle reaches or pierced through femoral artery.
Realizing a kind of technical solution of above-mentioned purpose is: a kind of vascular puncture device, including puncture needle tubing, periphery are led
The front end of pipe, catheter block and needle tubing seat, the puncture needle tubing forms puncture needle,
The coaxially connected catheter block in front end of the needle tubing seat, the coaxially connected peripheral catheters in the front end of the catheter block
Tail end, the puncture needle tubing sequentially coaxially run through the needle tubing seat, catheter block and the peripheral catheters；The puncture needle is pierced by
The front end of the peripheral catheters；
The periphery wall of the peripheral catheters front end is equipped with the notch of several periphery walls through the peripheral catheters；
Cavity is formed between the catheter block and the radial direction for puncturing needle tubing.
Further, the radially inner side of the front end of the catheter block is equipped with coaxial with the catheter block, is led described in connection
The pressing sleeve of the annular of the internal perisporium of tube socket, forms between the pressing sleeve and the internal perisporium of the catheter block for fixing the periphery
The annular groove of tail end of conduit.
Further, the shape of the front end of the catheter block and the pressing sleeve is infundibulate, the shape of the annular groove
Shape is also infundibulate.
Further, the catheter block is transparent, or equipped with transparent watch window.
It further, is dismountable between the catheter block and the needle tubing seat.
Further, the quantity of the notch is three.
Using a kind of technical solution of vascular puncture device of the utility model, including puncture needle tubing, peripheral catheters,
Catheter block and needle tubing seat, the front end formation puncture needle of the puncture needle tubing, the coaxially connected catheter block in front end of the needle tubing seat,
The tail end of the coaxially connected peripheral catheters in the front end of the catheter block, the puncture needle tubing sequentially coaxially run through the needle tubing
Seat, catheter block and the peripheral catheters；The puncture needle is pierced by the front end of the peripheral catheters；Outside the peripheral catheters front end
Peripheral wall is equipped with the notch of several periphery walls through the peripheral catheters；The radial direction of the catheter block and the puncture needle tubing
Between form cavity.Its technical effect is that: it can help operator timely and effectively to judge whether puncture needle reaches or pierce through
Femoral artery.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of vascular puncture device of the utility model.
Fig. 2 is the enlarged diagram of the part A of Fig. 1.
Specific embodiment
Referring to Fig. 1, the inventor of the utility model is in order to preferably managing the technical solution of the utility model
Solution, below by specifically embodiment, and will be described in detail with reference to the accompanying drawings:
Referring to Fig. 1, a kind of vascular puncture device of the utility model, be mainly used for carrying out femoral vein puncture blood collecting or
The operation of intravenous injection, including puncture needle tubing 1, peripheral catheters 2, catheter block 4 and needle tubing seat 5.The front end for puncturing needle tubing 1 is formed
Puncture needle 11.
Wherein, the tail end of the front end of needle tubing seat 5 removably coaxially connected catheter block 4.The front end of catheter block 4 is coaxially connected
The tail end of peripheral catheters 2.Puncture needle tubing 1 sequentially coaxially transfixion pin tube socket 5, catheter block 4 and peripheral catheters 2, puncture needle tubing 1
The puncture needle 11 of front end is pierced by from the front end of peripheral catheters 2.The periphery wall of 2 front end of peripheral catheters is equipped with several through described outer
The notch 21 of the periphery wall of all conduits 2, during operator punctures human body femoral vein, can by notch 21,
The color for observing blood in puncture needle tubing 1 in time, judges whether puncture needle 11 mistakenly reaches femoral artery.
The radially inner side of the front end of catheter block 4 is equipped with catheter block 4 coaxial, the annular of the internal perisporium of connecting conduit seat 4
Pressing sleeve 3, the annular groove for fixing 2 tail end of peripheral catheters is formed between the periphery wall of pressing sleeve 3 and the internal perisporium of catheter block 4
41.The effect of pressing sleeve 3 is to compress the tail end of peripheral catheters 2 and catheter block 4.The periphery wall of the tail end of peripheral catheters 2 is close to
The internal perisporium of catheter block 4, the internal perisporium of the tail end of peripheral catheters 2 are close to the periphery wall of pressing sleeve 3.Catheter block 4 and puncture needle tubing
Cavity 42 is formed between 1 radial direction.If puncture needle 11, which has run through femoral artery, reaches femoral vein, due to notch 21 also stay in
In femoral artery, then arterial blood can enter between puncture needle tubing 1 and 2 radial direction of peripheral catheters from notch 21, and then enter cavity
42, and venous blood still flows into puncture needle tubing 1, therefore venous blood and the runner of arterial blood are different, notch 21 also acts as
Shunt the effect of arterial blood and venous blood.
In the present embodiment, the front end of catheter block 4 and pressing sleeve 3 are designed to infundibulate, accordingly, pressing sleeve 3 and catheter block 4 it
Between the annular groove 41 for fixing 2 tail end of peripheral catheters be also designed to infundibulate, the purpose of this design is: can be to avoid
Puncture needle 11 punctures the tail end of peripheral catheters 2 when being inserted into, and it is strong to increase the connection connected between catheter block 4 and peripheral catheters 2
Degree.
In the present embodiment, catheter block 4 is transparent, or is provided with transparent watch window, observes catheter block 4 convenient for operator
Between puncture needle tubing 1 in cavity 42 blood color, to judge whether the puncture needle 11 of 1 front end of puncture needle tubing has been worn
Femoral artery thoroughly.
This vascular puncture device has opened three periphery walls 2 for running through peripheral catheters on the periphery wall of 2 front end of peripheral catheters
Notch 21, with reach allow operator can quickly observe puncture needle 11 whether puncture when mistakenly reach femoral artery, with
It prevents that the femoral artery of patient is caused to perforate.If puncture needle reaches femoral artery, the blood flowed out at puncture needle tubing 1 should be fresh
Red arterial blood；If puncture needle normally reaches femoral vein, the blood flowed out at puncture needle tubing 1 only has the vein of kermesinus
Blood；If puncture needle 11 has penetrated femoral artery arrival femoral vein due to the shunting function of notch 21
The venous blood of kermesinus, and there is cherry arterial blood in the cavity 42 between catheter block 4 and puncture needle tubing 1.
The course of work of vascular puncture device in the present embodiment are as follows:
Step 1: patient takes dorsal position, touches the femoral artery of beating slightly below at ligamentum inguinale midpoint, inside is
Femoral vein, after fixing femoral vein with left hand, puncture needle 11 is vertically pierced into or with skin angle in 30~40 ° of piercings.
Step 2: whether blood back occur in observation puncture needle tubing 1, if can slowly retract puncture needle 11 without blood back, change
Inserting needle direction and angle.
Step 3: if occurring blood back in puncture needle tubing 1, blood color is observed, if the venous blood for being all kermesinus punctures
Success；Puncture needle 11 reaches femoral artery if the blood flowed out in puncture needle tubing 1 is cherry arterial blood, should pull out at this time
Puncture needle 11 out press several minutes of point of puncture until no bleeding；If the blood flowed out in puncture needle tubing 1 is led for venous blood
Occur cherry arterial blood in cavity 42 between tube socket 4 and puncture needle tubing 1, then it is dynamic to show that puncture needle 11 has had penetrated stock
Arteries and veins should extract puncture needle 11 in time at this time and be handled.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Variation, the modification of embodiment will all be fallen in the Claims scope of the utility model.
Claims (6)
1. a kind of vascular puncture device, including puncture needle tubing, peripheral catheters, catheter block and needle tubing seat, the puncture needle tubing
Front end formed puncture needle, it is characterised in that:
The coaxially connected catheter block in front end of the needle tubing seat, the tail of the coaxially connected peripheral catheters in the front end of the catheter block
End, the puncture needle tubing sequentially coaxially run through the needle tubing seat, catheter block and the peripheral catheters；The puncture needle is pierced by institute
State the front end of peripheral catheters；
The periphery wall of the peripheral catheters front end is equipped with the notch of several periphery walls through the peripheral catheters；
Cavity is formed between the catheter block and the radial direction for puncturing needle tubing.
2. a kind of vascular puncture device according to claim 1, it is characterised in that: the diameter of the front end of the catheter block is inside
Side is equipped with coaxial with the catheter block, connects the annular pressing sleeve of the internal perisporium of the catheter block, the pressing sleeve is led with described
The annular groove for fixing the peripheral catheters tail end is formed between the internal perisporium of tube socket.
3. a kind of vascular puncture device according to claim 2, it is characterised in that: the front end of the catheter block and the pressure
The shape of set is infundibulate, and the shape of the annular groove is also infundibulate.
4. a kind of vascular puncture device according to claim 1, it is characterised in that: the catheter block is transparent, or is set
There is transparent watch window.
5. a kind of vascular puncture device according to claim 1, it is characterised in that: the catheter block and the needle tubing seat it
Between be dismountable.
6. a kind of vascular puncture device according to claim 1, it is characterised in that: the quantity of the notch is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820479624.XU CN209122371U (en) | 2018-03-30 | 2018-03-30 | A kind of vascular puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820479624.XU CN209122371U (en) | 2018-03-30 | 2018-03-30 | A kind of vascular puncture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209122371U true CN209122371U (en) | 2019-07-19 |
Family
ID=67227081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820479624.XU Active CN209122371U (en) | 2018-03-30 | 2018-03-30 | A kind of vascular puncture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209122371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220538A (en) * | 2020-11-10 | 2021-01-15 | 贝普医疗科技有限公司 | Puncture needle tube |
-
2018
- 2018-03-30 CN CN201820479624.XU patent/CN209122371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220538A (en) * | 2020-11-10 | 2021-01-15 | 贝普医疗科技有限公司 | Puncture needle tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201800 Building 2, 925 Jinyuan 1st Road, Jiading District, Shanghai Patentee after: Shanghai Yingtai Medical Equipment Co.,Ltd. Country or region after: China Address before: Building 2, No. 925 Jinyuan 1st Road, Jiading District, Shanghai, March 2018 Patentee before: SHANGHAI KINDLY MEDICAL INSTRUMENTS Co.,Ltd. Country or region before: China |