CN213131171U - Internal fistula needle with blood sampling function - Google Patents
Internal fistula needle with blood sampling function Download PDFInfo
- Publication number
- CN213131171U CN213131171U CN202021375741.5U CN202021375741U CN213131171U CN 213131171 U CN213131171 U CN 213131171U CN 202021375741 U CN202021375741 U CN 202021375741U CN 213131171 U CN213131171 U CN 213131171U
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- Prior art keywords
- joint
- blood sampling
- infusion hose
- blood
- hose
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- Expired - Fee Related
Links
- 238000010241 blood sampling Methods 0.000 title claims abstract description 76
- 206010016717 Fistula Diseases 0.000 title claims abstract description 24
- 230000003890 fistula Effects 0.000 title claims abstract description 24
- 238000001802 infusion Methods 0.000 claims abstract description 39
- 239000008280 blood Substances 0.000 claims abstract description 26
- 210000004369 blood Anatomy 0.000 claims abstract description 26
- 210000001503 joint Anatomy 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 7
- 238000001631 haemodialysis Methods 0.000 description 5
- 230000000322 hemodialysis Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 208000035049 Blood-Borne Infections Diseases 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 208000005176 Hepatitis C Diseases 0.000 description 1
- 206010073310 Occupational exposures Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000002672 hepatitis B Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 231100000675 occupational exposure Toxicity 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 208000006379 syphilis Diseases 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
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Abstract
The utility model discloses an internal fistula needle of area blood sampling function, press from both sides including an infusion hose, a puncture needle tubing, a needle wing, one luer joint and only flow still be provided with a blood sampling shunt joint on the infusion hose, blood sampling shunt joint sets up to three way connection, including first joint, second joint and third joint, wherein the first joint at both ends, second joint and infusion hose butt joint circulate, and third joint tip sets up the blood sampling socket. The utility model discloses the product sets up a three-way blood sampling reposition of redundant personnel joint at infusion hose end on the basis of current internal fistula needle, and wherein first joint, second joint and infusion hose butt joint circulation set up blood sampling socket butt joint blood sampling unit on the third joint and can let the nurse swiftly gather the blood sample that meets the requirements smoothly, and overall structure is simple low cost, has avoided the defect problem of taking a blood sample through internal fistula needle interface part among the prior art.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to an internal fistula needle with blood sampling function.
Background
Hemodialysis is a treatment for purifying blood in uremic patients with severe loss of renal function through a semipermeable membrane by using the principles of diffusion, convection, adsorption, and the like. Through the extracorporeal circulation of the hemodialysis machine, redundant harmful toxins, wastes generated by metabolism and excessive electrolytes in the blood of a patient are filtered and removed, so that the purposes of purifying the blood and balancing the electrolytes in the blood are achieved.
The maintenance hemodialysis patient needs to take blood sampling tests aiming at various indexes such as hemoglobin, protein, calcium, phosphorus and the like every month. Conventionally, blood is collected from a hemodialysis patient at an arterial blood collection port of a dialysis line, but there is a problem that the preparation of an index value is affected by dilution of a blood sample. Therefore, in the existing hospital, blood is directly collected from the internal fistula needle interface, although a blood sample with an accurate numerical value can be obtained, the operation of directly connecting the interface for blood collection has high requirements on nurses, the operation is inconvenient, the blood collection amount cannot be accurately controlled, and occupational exposure and blood-borne infection risks of blood collection personnel are easily caused when blood is collected for patients with blood-borne infections such as hepatitis B, hepatitis C and syphilis.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provide one kind through set up in the tee bend blood sampling reposition of redundant personnel joint one end take a blood sample and obtain the internal fistula needle of taking the blood sampling function.
In order to achieve the above object, the utility model provides an internal fistula needle technical scheme who takes blood sampling function does: the utility model provides an internal fistula needle of area blood sampling function, is in including a infusion hose, a setting on the front end of infusion hose and with puncture needle tubing, a setting that the infusion hose is linked together are in the needle wing, a setting of puncture needle tubing rear end are in luer joint and a setting on the rear end of infusion hose are in stagnant flow clamp on the infusion hose, still be provided with a blood sampling attach shunt on the infusion hose, blood sampling attach shunt sets up to three way connection, including first joint, second joint and third joint, wherein the first joint, the second joint and the infusion hose butt joint circulation at both ends, and third joint tip sets up the blood sampling socket, through three-way blood sampling attach shunt's setting, can directly insert the blood sampling unit at the blood sampling socket of third joint tip and take a blood sample.
As a further scheme: a straight-through pipeline is arranged between the first connector and the second connector, the infusion hose integrally penetrates through the straight-through pipeline, the blood sampling socket abuts against the end face of the infusion hose in the straight-through pipeline, and the straight-through pipeline is convenient for production and assembly of the integral internal fistula needle.
As a further scheme: annular is seted up to first joint, second joint open-ended interior terminal surface, infusion hose falls into two and cuts, including preceding hose and back hose, preceding hose, back end pipe interference respectively are pegged graft in the annular terminal surface of first joint, second joint, and the leakproofness of inside cavity can be realized to infusion hose and blood sampling reposition of redundant personnel joint that the cooperation was pegged graft.
As a further scheme: the blood sampling socket sets up the sealing plug of silica gel, rubber preparation, but blood sampling socket tip butt joint sets up the blood sampling unit.
As a further scheme: the blood sampling shunt joint is characterized in that arc-shaped wing edges extend out of the end edges of the two sides of the blood sampling shunt joint, and the arc-shaped wing edges are convenient to keep stable during blood drawing operation.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the product sets up a three-way blood sampling reposition of redundant personnel joint at infusion hose end on the basis of current internal fistula needle, and wherein first joint, second joint and infusion hose butt joint circulation set up blood sampling socket butt joint blood sampling unit on the third joint and can let the nurse swiftly gather the blood sample that meets the requirements smoothly, and overall structure is simple low cost, has avoided the defect problem of taking a blood sample through internal fistula needle interface part among the prior art.
Drawings
Fig. 1 is a schematic structural view of an internal fistula needle with blood sampling function according to an embodiment of the present invention.
Fig. 2 is a schematic sectional view of the first blood sampling shunt joint of the present invention.
Fig. 3 is a schematic sectional view of a second blood sampling shunt joint of the present invention.
In fig. 1 to 3: the blood sampling device comprises a puncture needle tube 1, a needle wing 2, an infusion hose 3, a luer connector 4, a flow stopping clamp 5, a blood sampling shunt connector 6, a blood sampling socket 7, a first connector 61, a second connector 62, a third connector 63, a front hose 31 and a rear hose 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the embodiment of the present invention: an internal fistula needle with blood sampling function comprises an infusion hose 3, a puncture needle tube 1 which is arranged at the front end of the infusion hose and is communicated with the infusion hose, a needle wing 2 which is arranged at the rear end of the puncture needle tube, a luer connector 4 which is arranged at the rear end of the infusion hose and a flow stopping clip 5 which is arranged on the infusion hose, wherein the transfusion hose of the embodiment is further provided with a blood sampling shunt joint 6, the blood sampling shunt joint 6 is a three-way joint and comprises a first joint 61, a second joint 62 and a third joint 63, wherein the first joint 61 and the second joint 62 at the two ends are in butt joint with the transfusion hose 3 for circulation, the end part of the third joint is provided with a blood sampling socket 7, through the arrangement of the three-way blood sampling shunt joint 6, the blood sampling unit can be directly connected to the blood sampling socket 7 at the end part of the third joint for blood sampling. Annular grooves are formed in the inner end faces of openings of the first joint 61 and the second joint 62 in the embodiment, so that the inner ends of the joints form a step groove shape, the corresponding infusion hoses are divided into two sections and comprise a front hose 31 and a rear hose 32, the front hose 31 and the rear pipe 32 are respectively inserted into the annular groove end faces of the first joint 61 and the second joint 62 in an interference insertion mode to form a closed infusion space, then the inserted infusion hoses and the blood sampling shunt joints are matched to realize the tightness of an inner cavity, and a blood sampling unit can conveniently perform negative pressure blood sampling through a blood sampling socket. The blood sampling socket 7 in the embodiment is a sealing plug made of silica gel or rubber, and a blood sampling unit can be arranged at the end of the blood sampling socket in a butt joint mode, so that blood can be kept not to seep out after the blood sampling unit is punctured. In addition, arc-shaped wing edges extend from the end edges of two sides of the blood sampling shunt joint 6, and the arrangement of the arc-shaped wing edges is convenient for keeping stability during the blood sampling operation.
Referring to fig. 3, compared with the blood sampling shunt joint 6 structure, a blood sampling shunt joint 6 structure can be provided, which is configured to be a straight-through pipeline between the first joint 61 and the second joint 62, the corresponding infusion hose 3 integrally passes through the straight-through pipeline, the blood sampling socket 7 abuts against the end face of the infusion hose in the straight-through pipeline to form extrusion, and the straight-through pipeline is configured to facilitate the production and assembly of the integral internal fistula needle, so that the production cost can be reduced.
The principle of the utility model is that: the utility model is provided with a three-way blood sampling shunt joint 6 at the end of the transfusion soft pipe on the basis of the existing internal fistula needle, wherein the first joint 61 and the second joint 62 are communicated with the transfusion hose in a butt joint way to form an internal transfusion channel, the third joint 62 is provided with a blood sampling socket 7 which can be butted with a blood sampling unit, therefore, the nurse can directly adopt the blood sampling unit to pierce the end part of the blood sampling socket 7 and enter the inner end of the blood sampling shunt joint 6 for the blood sampling work of the maintenance hemodialysis patient, the blood sampling shunt joint with the arc-shaped wing edge is convenient for the nurse to hold the temperature, can lead the nurse to quickly and smoothly collect the blood sample meeting the requirement, has simple integral structure and does not change greatly compared with the internal fistula needle in the prior art, the blood sampling device has the advantages that the defect problem of blood sampling through the internal fistula needle interface part in the prior art is solved, the manufacturing cost is low, and the cost of the hospital to patients is reduced.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a take internal fistula needle of blood sampling function, is in including an infusion hose, a setting on the front end of infusion hose and with puncture needle tubing, a setting that the infusion hose is linked together are in the needle wing, a setting of puncture needle tubing rear end are in luer joint and a setting on the rear end of infusion hose are in the last stagnant flow of infusion hose presss from both sides its characterized in that: the infusion hose is also provided with a blood sampling shunt joint which is a three-way joint and comprises a first joint, a second joint and a third joint, wherein the first joint and the second joint at two ends are in butt joint circulation with the infusion hose, and the end part of the third joint is provided with a blood sampling socket.
2. The internal fistula needle with the blood collecting function as set forth in claim 1, wherein: a straight-through pipeline is arranged between the first joint and the second joint, the infusion hose integrally penetrates through the straight-through pipeline, and the blood sampling socket is abutted to the end face of the infusion hose in the straight-through pipeline.
3. The internal fistula needle with the blood collecting function as set forth in claim 1, wherein: annular grooves are formed in the inner end faces of openings of the first joint and the second joint, the infusion hose is divided into two sections and comprises a front hose and a rear hose, and the front hose and the rear pipe are respectively inserted into the annular groove end faces of the first joint and the second joint in an interference mode.
4. The internal fistula needle with the blood collecting function as set forth in claim 1, wherein: the blood sampling socket sets up the sealing plug of silica gel, rubber preparation, but blood sampling socket tip butt joint sets up the blood sampling unit.
5. The internal fistula needle with the blood collecting function according to any one of claims 1 to 4, wherein: the two side edges of the blood sampling shunt joint extend to form arc-shaped wing edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021375741.5U CN213131171U (en) | 2020-07-14 | 2020-07-14 | Internal fistula needle with blood sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021375741.5U CN213131171U (en) | 2020-07-14 | 2020-07-14 | Internal fistula needle with blood sampling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213131171U true CN213131171U (en) | 2021-05-07 |
Family
ID=75730226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021375741.5U Expired - Fee Related CN213131171U (en) | 2020-07-14 | 2020-07-14 | Internal fistula needle with blood sampling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213131171U (en) |
-
2020
- 2020-07-14 CN CN202021375741.5U patent/CN213131171U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |