CN214911799U - Puncture needle for deep vein catheterization - Google Patents
Puncture needle for deep vein catheterization Download PDFInfo
- Publication number
- CN214911799U CN214911799U CN202121944840.5U CN202121944840U CN214911799U CN 214911799 U CN214911799 U CN 214911799U CN 202121944840 U CN202121944840 U CN 202121944840U CN 214911799 U CN214911799 U CN 214911799U
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- CN
- China
- Prior art keywords
- gear
- vein catheterization
- internal thread
- seal wire
- needle
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- 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 - Fee Related
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- 210000003462 vein Anatomy 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 claims description 4
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 230000004087 circulation Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000003836 peripheral circulation Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a dark vein catheterization pjncture needle, including dark vein catheterization pjncture needle, seal wire poling and syringe needle, still include hickey, internal thread cover, first gear and second gear, pipe wall one side of dark vein catheterization pjncture needle is connected with the seal wire poling, the seal wire poling top is equipped with the hickey integrative with it, the hickey top is equipped with internal thread cover and internal thread lid, internal thread cover top both sides are equipped with the backing sheet integrative with it respectively, both ends are equipped with corresponding first gear and second gear in the backing sheet respectively. The whole use of whole dark vein catheterization pjncture needle is nimble convenient, can help personnel one hand to the seal wire for the puncture to patient's vein propelling movement, and stability and the high efficiency of greatly increased medical personnel's operation have higher practicality.
Description
Technical Field
The utility model relates to a dark vein catheterization puncture technical field, in particular to dark vein catheterization pjncture needle.
Background
Deep venipuncture catheterization is an essential technology for establishing a venous channel for critically ill patients, and aims to: the comprehensive conditions of effective blood volume, cardiac function and peripheral circulation resistance are known, acute circulation failure of unknown reasons is identified, and when a large amount of blood transfusion and fluid infusion are needed, the dynamic change of blood volume and the danger of circulation overload are observed.
When sending into the seal wire to the vein puncture at present, need many people to cooperate, because when inserting the seal wire, need a set of personnel bimanualness to need another alone to hold up the needle tubing steady, the operation is comparatively inconvenient, does not can help personnel to carry out the subassembly of singlehanded to the seal wire. Therefore, a deep vein catheterization puncture needle is provided.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a dark vein catheterization pjncture needle can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a dark vein catheterization pjncture needle, includes dark vein catheterization pjncture needle, seal wire poling and syringe needle, still includes hickey, internal thread cover, first gear and second gear, the pipe wall one side of dark vein catheterization pjncture needle is connected with the seal wire poling, the seal wire poling top is equipped with the hickey as an organic whole with it, the hickey top is equipped with internal thread cover and internal thread lid, internal thread cover top both sides are equipped with the backing sheet as an organic whole with it respectively, both ends are equipped with corresponding first gear and second gear respectively in the backing sheet.
Furthermore, wire guide grooves are formed in the middle of the first gear and the middle of the second gear, anti-skid grains are distributed in the wire guide grooves, and the first gear and the second gear are connected in a meshed mode.
Furthermore, the internal thread cover is in threaded connection with the threaded interface, the top of the deep vein catheterization puncture needle is provided with an injector interface, and the bottom of the deep vein catheterization puncture needle is inserted with a needle head.
Furthermore, the axle centers of the first gear and the second gear are rotatably connected with the supporting sheet through rotating shafts.
Further, the first gear and the second gear are made of PVC materials.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through dark vein catheterization pjncture needle, the subassembly that seal wire poling and syringe needle are constituteed, the realization is worn to establish to the seal wire of required puncture, thereby carry out dark vein puncture and handle, establish venous access for critical patient, during the use, personnel peg graft the syringe interface of dark vein catheterization pjncture needle with the syringe, personnel insert the needle of dark vein catheterization pjncture needle and establish patient's vein afterwards, treat to appear back the blood after, then can confirm the vein and insert successfully, personnel push back the vein with blood through the syringe of assembly afterwards, and tear internal thread lid open the hickey, the internal thread cover of required use assembles the hickey.
2. The guide wire to be penetrated is arranged in the guide wire groove between the first gear and the second gear, then the personnel push the first gear or the second gear to rotate, so that the first gear and the second gear which are connected in a meshed way rotate oppositely, and the guide wire in the guide wire groove is pushed, and gradually push the guide wire in the through tube, along with the push of the guide wire, the guide wire can enter the vein of the patient through the needle head, and the personnel push the first gear or the second gear with one hand, the guide wire can be conveniently sent to the vein of a patient, personnel can select the internal thread sleeve with the guide wire groove with the required width to assemble the threaded interface according to the thickness of the guide wire, the whole deep vein catheterization puncture needle is flexible and convenient to use, can help personnel one hand to the seal wire for the puncture to patient's vein propelling movement, the stability and the high efficiency of greatly increased medical personnel's operation have higher practicality.
Drawings
Fig. 1 is a schematic view of the overall structure of the deep vein catheterization puncture needle of the present invention.
Fig. 2 is a schematic view of the threaded interface structure of the deep vein catheterization puncture needle of the present invention.
Fig. 3 is a schematic view of the structure of the internal thread sleeve of the deep vein catheterization puncture needle of the present invention.
Fig. 4 is a schematic view of a side view of the internal thread sleeve of the deep vein catheterization puncture needle of the utility model.
In the figure: 1. a deep vein catheterization puncture needle; 2. leading a guide wire to penetrate through the tube; 3. a needle head; 4. an injector interface; 5. a threaded interface; 6. an internal thread sleeve; 7. a support sheet; 8. a first gear; 9. a second gear; 10. a guide wire groove; 11. and (4) an internal thread cover.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 4, a deep vein catheterization puncture needle comprises a deep vein catheterization puncture needle 1, a guide wire puncture tube 2, a needle head 3, a threaded interface 5, an internal thread sleeve 6, a first gear 8 and a second gear 9, wherein the guide wire puncture tube 2 is connected to one side of the tube wall of the deep vein catheterization puncture needle 1, the threaded interface 5 integrated with the guide wire puncture tube 2 is arranged at the top end of the guide wire puncture tube 2, the internal thread sleeve 6 and an internal thread cover 11 are arranged at the top of the threaded interface 5, support sheets 7 integrated with the internal thread sleeve 6 are respectively arranged on two sides of the top of the internal thread sleeve 6, and the first gear 8 and the second gear 9 which correspond to each other are respectively arranged at two ends in the support sheets 7.
The middle parts of the first gear 8 and the second gear 9 are both provided with wire guide grooves 10, anti-skid lines are distributed in the wire guide grooves 10, and the first gear 8 and the second gear 9 are in meshed connection; the guide wire groove 10 facilitates the insertion of the guide wire, and the guide wire groove 10 with anti-slip lines can increase the friction between the first gear 8 and the second gear 9 and the guide wire.
The internal thread cover 11 is in threaded connection with the threaded interface 5, the top of the deep vein catheterization puncture needle 1 is provided with an injector interface 4, and the bottom end of the deep vein catheterization puncture needle 1 is inserted with the needle head 3.
The axes of the first gear 8 and the second gear 9 are rotatably connected with the supporting sheet 7 through a rotating shaft.
The first gear 8 and the second gear 9 are made of PVC materials; the first gear 8 and the second gear 9 made of PVC materials have good toughness and cannot damage the guide wire.
It should be noted that, the utility model relates to a deep vein catheterization pjncture needle, in operation, personnel pass through the subassembly of deep vein catheterization pjncture needle 1, seal wire poling 2 and syringe needle 3 constitution, realize wearing to the seal wire of required puncture, thereby carry out deep vein puncture treatment, establish venous access for critical patient, when using, personnel peg graft the syringe interface 4 of deep vein catheterization pjncture needle 1 with the syringe, personnel then insert the syringe needle 3 of deep vein catheterization pjncture needle 1 to the vein of patient, after the blood return appears, can confirm that vein insertion succeeds, personnel then push blood back the vein through the syringe of assembly, and tear internal thread lid 11 down to hickey 5, internal thread cover 6 that needs to use assembles hickey 5, personnel will wait to penetrate the seal wire and place in seal wire recess 10 between first gear 8 and second gear 9 afterwards, personnel push away the commentaries on classics to first gear 8 or second gear 9 afterwards, make rotate in opposite directions between the first gear 8 that the meshing is connected and the second gear 9, and the seal wire in the seal wire recess 10 obtains the propelling movement, and progressively push in 2 to the seal wire poling, along with the seal wire pushes, the seal wire can get into patient's vein through syringe needle 3, and personnel one hand carries out the propelling movement to first gear 8 or second gear 9, can be convenient send the seal wire to patient's vein, personnel can be according to the thickness of seal wire, the internal thread cover 6 of selecting required width seal wire recess 10 assembles hickey 5, it is nimble convenient to use.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a dark vein catheterization pjncture needle, includes dark vein catheterization pjncture needle (1), seal wire poling (2) and syringe needle (3), its characterized in that still includes hickey (5), internal thread cover (6), first gear (8) and second gear (9), the pipe wall one side of dark vein catheterization pjncture needle (1) is connected with seal wire poling (2), seal wire poling (2) top is equipped with screw thread interface (5) integrative with it, screw thread interface (5) top is equipped with internal thread cover (6) and internal thread lid (11), internal thread cover (6) top both sides are equipped with backing sheet (7) integrative with it respectively, both ends are equipped with corresponding first gear (8) and second gear (9) respectively in backing sheet (7).
2. A deep vein catheterization puncture needle according to claim 1, wherein: first gear (8) and second gear (9) middle part all are equipped with seal wire recess (10), laid anti-skidding line in seal wire recess (10), meshing connection between first gear (8) and second gear (9).
3. A deep vein catheterization puncture needle according to claim 1, wherein: the deep vein catheterization puncture needle is characterized in that the internal thread cover (11) is in threaded connection with the threaded connector (5), the top of the deep vein catheterization puncture needle (1) is provided with the injector connector (4), and the bottom end of the deep vein catheterization puncture needle (1) is inserted with the needle head (3).
4. A deep vein catheterization puncture needle according to claim 1, wherein: the axes of the first gear (8) and the second gear (9) are rotatably connected with the supporting sheet (7) through a rotating shaft.
5. A deep vein catheterization puncture needle according to claim 1, wherein: the first gear (8) and the second gear (9) are made of PVC materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944840.5U CN214911799U (en) | 2021-08-18 | 2021-08-18 | Puncture needle for deep vein catheterization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944840.5U CN214911799U (en) | 2021-08-18 | 2021-08-18 | Puncture needle for deep vein catheterization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911799U true CN214911799U (en) | 2021-11-30 |
Family
ID=79068612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121944840.5U Expired - Fee Related CN214911799U (en) | 2021-08-18 | 2021-08-18 | Puncture needle for deep vein catheterization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911799U (en) |
-
2021
- 2021-08-18 CN CN202121944840.5U patent/CN214911799U/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: 20211130 |