CN202105258U - Enclosed venous remaining needle capable of collecting blood - Google Patents
Enclosed venous remaining needle capable of collecting blood Download PDFInfo
- Publication number
- CN202105258U CN202105258U CN2011201741722U CN201120174172U CN202105258U CN 202105258 U CN202105258 U CN 202105258U CN 2011201741722 U CN2011201741722 U CN 2011201741722U CN 201120174172 U CN201120174172 U CN 201120174172U CN 202105258 U CN202105258 U CN 202105258U
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- needle
- blood
- taking
- assembly
- jointing
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Abstract
The utility model discloses an enclosed venous remaining needle capable of collecting blood. When the venous remaining needle is adopted to carry out infusion, after a puncture needle is pulled out, the blood collection is carried out by the remaining needle in a remaining trocar assembly. Moreover, in the enclosed venous remaining needle, an anticoagulation coating us arranged on the cavity wall of an inner cavity of the remaining trocar assembly, so that the infusion can be carried out normally without flushing the remaining trocar assembly after the blood collecting process is completed, and therefore, a patient can avoid being punctured for twice due to blood sample collection, the pain of the patient is greatly reduced, thrombi are avoided being brought into the blood vessel to block the blood vessel in the infusion process and, a medical accident is also avoided.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to a kind of transfusion apparatus of taking a blood sample.
Background technology
Existing remaining needle comprises puncture needle assembly, indwelling casing tube assembly and needle point helmet; Wherein the puncture needle assembly comprises puncture needle needle stand and puncture needle tubing; The indwelling casing tube assembly comprises threeway catheter block, long duct, long duct seat, sealing member; Wherein the front portion of indwelling needle catheter seat is provided with indwelling needle catheter in the threeway catheter block, is provided with sealing-plug in the indwelling needle catheter seat, and the puncture needle tubing inserts in the indwelling needle catheter after passing sealing-plug.At present clinically, remaining needle is mainly used in transfusion, and vein is taked blood sample all to be equipped with blood taking needle with vacuum test tube in vein blood vessel, to take a blood sample, and blood sampling all is to separate to carry out with transfusion, carries out the secondary venipuncture, causes the sufferer misery.And some nurse violates medical science general knowledge and directly is connected with blood taking needle at common remaining needle and takes a blood sample, and blood sampling prevents thrombosis with normal saline flushing after accomplishing.Blood not only can overflow but also forms thrombosis and block blood vessel and cause malpractice because of washing incomplete back when removing blood taking needle.
Summary of the invention
This utility model purpose is to provide a kind of formula hermetic type venous detaining needle of taking a blood sample; The triple channel base of its indwelling casing tube assembly, long duct, jointing internal chamber wall are provided with anticoagulant coatings; The inwall of this assembly can not accomplished blood collection procedure and can be carried out normal infusion through remaining needle because of blood clotting produces thrombosis after the feasible blood sampling, brings thrombosis into blood vessel when avoiding after blood sampling is accomplished, infusing; Make blood vessel blockage, cause malpractice.
In order to solve these problems of the prior art, the technical scheme that this utility model provides is:
A kind of formula hermetic type venous detaining needle of taking a blood sample; It comprises puncture needle assembly, indwelling casing tube assembly, needleless perforator assembly and needle tubing sheath, and described puncture needle assembly comprises puncture needle needle stand and puncture needle tubing, and described indwelling casing tube assembly comprises threeway catheter block, long duct, jointing, flow-stopping clip; Wherein the front portion of threeway catheter block is provided with indwelling needle catheter; Be provided with metal wedge and batching pig in the threeway catheter block, the puncture needle tubing inserts in the indwelling needle catheter after passing metal wedge and batching pig, and described flow-stopping clip is located on the long duct; The lower end of triple channel base is connected with long duct; Long duct links to each other with jointing, and described jointing connects needleless perforator assembly again, and the triple channel base of described indwelling casing tube assembly, long duct, jointing internal chamber wall are provided with anticoagulant coatings.
Detailed technical scheme is: a kind of formula hermetic type venous detaining needle of taking a blood sample, and it comprises puncture needle assembly, indwelling casing tube assembly, needleless perforator assembly and needle tubing sheath, described puncture needle assembly comprises puncture needle needle stand and puncture needle tubing; Described indwelling casing tube assembly comprises threeway catheter block, long duct, jointing, flow-stopping clip; Wherein the front portion of threeway catheter block is provided with indwelling needle catheter, is provided with metal wedge and batching pig in the threeway catheter block, and the puncture needle tubing inserts in the indwelling needle catheter after passing metal wedge and batching pig; Described flow-stopping clip is located on the long duct; The lower end of triple channel base is connected with long duct, and long duct links to each other with jointing, and described jointing connects needleless perforator assembly again; The triple channel base of described indwelling casing tube assembly, long duct, jointing internal chamber wall are provided with anticoagulant coatings; The described formula hermetic type venous detaining needle of taking a blood sample also comprises the blood taking needle assembly, and the blood taking needle assembly directly links to each other with described needleless perforator, and perhaps both link to each other through the blood sampling conduit; Described blood taking needle assembly is provided with the blood taking tube sleeve pipe outward, and described jointing is no needle adapter, Needleless barotropic joint or external spiral joint.
Than solution of the prior art, this utility model advantage is:
1. when adopting the venous detaining needle transfusion that this utility model provided; Extract after the puncture needle; Indwelling needle catheter through in the indwelling casing tube assembly is taken a blood sample, and this utility model is provided with anticoagulant coatings on the wall of the inner chamber chamber of indwelling casing tube assembly, thereby after accomplishing blood collection procedure, need not wash the indwelling casing tube assembly and can carry out normal infusion; So just avoided twice puncture of patient because of taking blood sample to cause; Alleviate the misery of sufferer greatly, and avoided when infusing, bringing thrombosis into blood vessel and make blood vessel blockage, equally also just avoided the generation of malpractice.
2. when changing blood taking needle assembly or infusion connector, no needle adapter, Needleless barotropic joint all can be realized closing path automatically, have avoided blood or medicinal liquid in the replacing process to overflow, and make that the replacing process convenient is quick.
Description of drawings
Below in conjunction with accompanying drawing and embodiment this utility model is further described:
A kind of structural representation when Fig. 1 directly cooperates the blood taking needle assembly for the needleless perforator assembly in this utility model;
Fig. 2 is the another kind of structural representation of the needleless perforator assembly in this utility model when connecting the blood taking needle assembly through conduit;
Fig. 3 is the needleless perforator assembly of this utility model another structural representation when connecting the blood taking needle assembly through conduit;
Fig. 4 is the generalized section of pipe inner wall anticoagulant coatings of the long duct of this utility model;
Wherein: 10, puncture needle assembly; 11, puncture needle needle stand; 12, puncture needle tubing;
20, indwelling casing tube assembly; 21, threeway catheter block; 22, long duct; 23, jointing; 24, flow-stopping clip; 25, indwelling needle catheter; 26, metal wedge; 27, batching pig;
30, needleless perforator assembly; 40, blood taking needle assembly; 41, blood sampling conduit; 42, blood taking tube sleeve pipe; 50, needle tubing sheath; 60, anticoagulant coatings.
The specific embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment:
In the present embodiment; As shown in Figure 1; The described formula hermetic type venous detaining needle of taking a blood sample of present embodiment, it comprises puncture needle assembly 10, indwelling casing tube assembly 20, needleless perforator assembly 30, blood taking needle assembly 40 and needle tubing sheath 50, described puncture needle assembly 10 comprises puncture needle needle stand 11 and puncture needle tubing 12; Described indwelling casing tube assembly 20 comprises threeway catheter block 21, long duct 22, jointing 23; Wherein the front portion of threeway catheter block 21 is provided with indwelling needle catheter 25, is provided with metal wedge 26 and batching pig 27 in the threeway catheter block 21, and puncture needle tubing 12 passes metal wedge 26 and inserts in the indwelling needle catheter 25 with batching pig 27 backs; The lower end of triple channel base is connected with long duct 22; Long duct 22 links to each other with jointing 23, and described jointing 23 connects needleless perforator assembly 30 again, and blood taking needle assembly 40 directly links to each other with described needleless perforator assembly 30 then; The triple channel base of described indwelling casing tube assembly 20, long duct 22, jointing 23 internal chamber walls are provided with anticoagulant coatings 60; It is as shown in Figure 4 that this anticoagulant coatings 60 is provided with situation, and the jointing 23 in the present embodiment adopts the Needleless barotropic joint, and the long duct 22 of described indwelling casing tube assembly 20 is provided with flow-stopping clip 24.
When infusing, pull up needle tubing sheath 50, after the needle tubing 12 that will puncture penetrates human vein, clamp flow-stopping clip 24 and also extract puncture needle tubing 12, by indwelling needle catheter 25 blood sampling of infusing.After puncture needle tubing 12 is extracted; Open flow-stopping clip 24, take quantitative blood sample by the blood taking needle in the blood taking needle assembly 40, extract blood taking needle assembly 40 after the completion blood collection procedure and can carry out normal infusion through blood taking tube; Because the inner chamber chamber wall of indwelling casing tube assembly 20 is provided with anticoagulant coatings 60; Can not produce thrombosis in the indwelling casing tube assembly 20, can not cause malpracticees such as angiemphraxis, improve safety in utilization.In addition this product has also been avoided twice puncture of patient because of taking blood sample to cause, and has alleviated the misery of sufferer greatly.
As shown in Figure 2, the blood taking needle assembly 40 in this utility model also can link to each other through blood sampling conduit 41 with described needleless perforator assembly 30.
As shown in Figure 3; Outside the blood taking needle assembly of this utility model, be provided with blood taking tube sleeve pipe 42; Described blood taking tube sleeve pipe 42 is connected on the needleless perforator assembly; The setting of blood taking tube sleeve pipe 42 is convenient to medical personnel and is connected needleless perforator assembly 30 and blood taking needle assembly 40, and can avoid stabbing medical personnel.
Above-mentioned anticoagulant coatings 60 also can be used for other blood transfusion apparatuses, forms thrombosis in the apparatus that can prevent to transfuse blood, thereby avoids the generation of malpractice.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (7)
1. formula hermetic type venous detaining needle of can taking a blood sample, it comprises puncture needle assembly, indwelling casing tube assembly, needleless perforator assembly and needle tubing sheath, described puncture needle assembly comprises puncture needle needle stand and puncture needle tubing; Described indwelling casing tube assembly comprises threeway catheter block, long duct, jointing, flow-stopping clip; Wherein the front portion of threeway catheter block is provided with indwelling needle catheter, is provided with metal wedge and batching pig in the threeway catheter block, and the puncture needle tubing inserts in the indwelling needle catheter after passing metal wedge and batching pig; Described flow-stopping clip is located on the long duct; It is characterized in that the lower end of triple channel base is connected with long duct, long duct links to each other with jointing; Described jointing connects needleless perforator assembly again, and the triple channel base of described indwelling casing tube assembly, long duct, jointing internal chamber wall are provided with anticoagulant coatings.
2. the formula hermetic type venous detaining needle of taking a blood sample according to claim 1 is characterized in that, the described formula hermetic type venous detaining needle of taking a blood sample also comprises the blood taking needle assembly, and the blood taking needle assembly links to each other with described needleless perforator.
3. the formula hermetic type venous detaining needle of taking a blood sample according to claim 2 is characterized in that, is provided with the blood sampling conduit between described blood taking needle assembly and the needleless perforator.
4. according to claim 2 or the 3 described formula hermetic type venous detaining needles of taking a blood sample, it is characterized in that described blood taking needle assembly is provided with the blood taking tube sleeve pipe outward.
5. the formula hermetic type venous detaining needle of taking a blood sample according to claim 1 is characterized in that described jointing is no needle adapter.
6. the formula hermetic type venous detaining needle of taking a blood sample according to claim 1 is characterized in that described jointing is the Needleless barotropic joint.
7. the formula hermetic type venous detaining needle of taking a blood sample according to claim 1 is characterized in that described jointing is the external spiral joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201741722U CN202105258U (en) | 2011-05-27 | 2011-05-27 | Enclosed venous remaining needle capable of collecting blood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201741722U CN202105258U (en) | 2011-05-27 | 2011-05-27 | Enclosed venous remaining needle capable of collecting blood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202105258U true CN202105258U (en) | 2012-01-11 |
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ID=45430712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201741722U Expired - Lifetime CN202105258U (en) | 2011-05-27 | 2011-05-27 | Enclosed venous remaining needle capable of collecting blood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202105258U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470439A (en) * | 2012-08-02 | 2015-03-25 | 张建铭 | Indwelling needle with syringe type vacuum blood collector |
| CN107308520A (en) * | 2017-08-11 | 2017-11-03 | 湖南平安医械科技有限公司 | A kind of batching pig and venous detaining needle |
| CN108577946A (en) * | 2018-05-18 | 2018-09-28 | 温州医科大学附属第医院 | It is a kind of through vena jugularis externa row deep venouspuncture |
-
2011
- 2011-05-27 CN CN2011201741722U patent/CN202105258U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470439A (en) * | 2012-08-02 | 2015-03-25 | 张建铭 | Indwelling needle with syringe type vacuum blood collector |
| CN107308520A (en) * | 2017-08-11 | 2017-11-03 | 湖南平安医械科技有限公司 | A kind of batching pig and venous detaining needle |
| CN108577946A (en) * | 2018-05-18 | 2018-09-28 | 温州医科大学附属第医院 | It is a kind of through vena jugularis externa row deep venouspuncture |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215121 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee after: SUZHOU LINHUA MEDICAL INSTRUMENT CO., LTD. Address before: 215121 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee before: Linhua Medical Appliances Co., Ltd., Suzhou |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |
|
| CX01 | Expiry of patent term |