CN219941423U - Central venous catheter for implantation through peripheral vein - Google Patents
Central venous catheter for implantation through peripheral vein Download PDFInfo
- Publication number
- CN219941423U CN219941423U CN202220698913.5U CN202220698913U CN219941423U CN 219941423 U CN219941423 U CN 219941423U CN 202220698913 U CN202220698913 U CN 202220698913U CN 219941423 U CN219941423 U CN 219941423U
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- China
- Prior art keywords
- catheter
- connector
- venous catheter
- infusion tube
- venous
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- 238000002513 implantation Methods 0.000 title claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 title claims abstract description 13
- 210000003462 vein Anatomy 0.000 title claims abstract description 11
- 238000001802 infusion Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 43
- 238000001990 intravenous administration Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 abstract description 14
- 239000002390 adhesive tape Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000000474 nursing effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000007920 subcutaneous administration Methods 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 208000034906 Medical device complication Diseases 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 201000010251 cutis laxa Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a central venous catheter for peripheral venous implantation, which comprises a venous catheter and a perfusion tube connector A, wherein the upper venous catheter connector is connected with the perfusion tube connector A through a screw, two perfusion tubes are arranged on the perfusion tube connector A, a stop valve is arranged on the perfusion tube, and the other end of the perfusion tube is connected with a perfusion tube connector B; after the detection of a detector, a patient needing a central venous catheter implanted through a peripheral vein is subjected to puncture by a puncture needle, a guide wire is input into a venous vessel from a needle hole of the puncture needle, then the venous catheter is implanted into the venous vessel along the guide wire, then a catheter connector on the venous catheter is connected with an infusion tube head, the infusion tube head is fixed on an arm of the patient through an adhesive tape after connection, and then a nursing staff is attached to the adhesive tape for implantation time, so that the medical staff can replace the venous catheter in time.
Description
Technical Field
The utility model relates to the technical field of medical infusion equipment, in particular to a central venous catheter for peripheral venous implantation.
Background
The central venous catheter (PeripherallylnsertedCentralCatheter, PICC) is widely applied to clinic as a safe and convenient venous access, and particularly for patients needing chemotherapy or infusion of hypertonic and irritant liquids, PICCs are the preferred mode, but due to some limiting conditions, such as factors of too small preset tube vein diameter, poor vascular anatomical position, extremely loose skin and the like, a plurality of patients cannot smoothly insert PICCs or risk of catheter-related complications after insertion is too high, and the application of tunnel PICC insertion technology well solves the problem. Tunnel PICC refers to a new technology for central venous catheter placement through peripheral veins, which differs from conventional PICC in that: by creating a subcutaneous tunnel, the vascular puncture site is spaced from the catheter exit and the catheter exit is moved to a more convenient and advantageous location, which has mainly the following advantages: the tunnel PICC implantation technique effectively reduces the risk of thrombosis, and can enable a patient with a high risk of catheter-related thrombosis due to the too small diameter of the upper arm vein to be successfully cannulated. The risk of infection is reduced, the vascular puncture point is communicated with the catheter outlet through the subcutaneous tunnel, and the subcutaneous tunnel forms a barrier for preventing pollution, so that the infection caused by external factors can be effectively prevented. Preventing the catheter from falling out, and reducing the falling-out of the catheter due to the fixation of subcutaneous tissues. The catheter outlet is reserved at the most suitable position of the upper arm, so that discomfort possibly occurring in the arm moving process of a patient is avoided, and the comfort level of the patient is improved. At present, in the use process of a central venous catheter implanted through a peripheral vein, a transfusion tube head is connected with a catheter screw at a joint of the transfusion tube and the venous catheter, a gap is formed at the joint, germs and dust are easy to enter for a long time, the service time of the venous catheter is influenced, and meanwhile, a sealing device is not arranged at the joint of the transfusion tube head configured by the venous catheter and transfusion equipment, so that the transfusion tube head is in an exposed state for a long time and is easy to be polluted by bacteria and dust, and the use of the venous catheter is influenced.
Disclosure of Invention
In view of the above-described drawbacks or deficiencies of the prior art, it is desirable to provide a central venous catheter for implantation via a peripheral vein.
According to the technical scheme provided by the embodiment of the utility model, the central venous catheter for peripheral venous implantation comprises a venous catheter and a perfusion tube connector A, wherein the upper venous catheter connector is connected with the perfusion tube connector A through a screw, two perfusion tubes are arranged on the perfusion tube connector A, a stop valve is arranged on the perfusion tube, and the other end of the perfusion tube is connected with a perfusion tube connector B; after the detection of a detector, a patient needing a central venous catheter implanted through a peripheral vein is subjected to puncture by a puncture needle, a guide wire is input into a venous vessel from a needle hole of the puncture needle, then the venous catheter is implanted into the venous vessel along the guide wire, then a catheter connector on the venous catheter is connected with an infusion tube head, the infusion tube head is fixed on an arm of the patient through an adhesive tape after connection, and then a nursing staff is attached to the adhesive tape for implantation time, so that the medical staff can replace the venous catheter in time.
The infusion tube connector B comprises a shell, a sealing block A, a connecting ring, a connecting sheet, a sealing cover and a sealing block B, wherein the sealing block A is installed in an inner cavity of the shell, a connecting groove is formed in the shell, the connecting ring is installed in the connecting groove, the connecting ring is connected with the sealing cover by the connecting sheet, the sealing block B is installed on the sealing cover, a clamping block A is arranged on the sealing block B, the inner cavity of the shell is provided with a clamping groove A, the clamping block A is clamped with the clamping groove A, the sealing block B and the clamping block A are made of soft silica gel, the sealing cover is arranged on the sealing block B connected with the sealing cover, and the clamping block B and the clamping groove A are clamped with each other, so that the infusion tube connector B is always in a sealing state after infusion is finished, bacteria and dust are prevented from entering, an infusion tube is polluted, and the use of an intravenous catheter is influenced.
The conduit connector is provided with a clamping groove B, and is provided with threads; the inner cavity of the infusion tube connector A is provided with a clamping block B, and the inner cavity of the infusion tube connector A is provided with threads; the catheter connector passes through threaded connection with transfer line connector A, draw-in groove B and fixture block B joint, makes catheter connector and transfer line connector A sealing connection, prevents bacterium and dust entering junction, influences the use of intravenous catheter.
In summary, the utility model has the following beneficial effects:
1. the sealing cover is arranged on the infusion tube connector B, the clamping block A is arranged on the sealing block B connected with the sealing cover and is clamped with the clamping groove A, so that the infusion tube connector B is always in a sealing state after infusion is finished, bacteria and dust are prevented from entering, the infusion tube is prevented from being polluted, and the use of the intravenous catheter is influenced;
2. draw-in groove B and fixture block B, pipe connection head and infusion tube connection head A pass through threaded connection, draw-in groove B and fixture block B joint make pipe connection head and infusion tube connection head A sealing connection, prevent bacterium and dust entering junction, influence the use of intravenous catheter.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of the structure of the intravenous catheter connector of the present utility model;
FIG. 4 is a schematic view showing the internal structure of the connecting head A of the infusion tube of the present utility model;
fig. 5 is a schematic diagram of the internal structure of the infusion tube connector B according to the present utility model.
Reference numerals in the drawings: intravenous catheter-1, infusion connector A-2, infusion tube-3, stop valve-4, infusion connecting tube B-5, catheter connector-1.1, catheter-1.2, clamping groove B-1.3, inner cavity of infusion tube connector A-2.1, clamping block A-2.2, shell-5.1, sealing block A-5.2, connecting groove-5.3, clamping groove A-5.4, connecting ring-5.5, connecting piece-5.6, sealing block B-5.7, clamping block A-5.8 and sealing cover-5.9.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 and 2, a central venous catheter for peripheral venous implantation is used for a patient who needs to be implanted with the central venous catheter through a peripheral vein, after detection by a detector, a guide wire is input into a venous blood vessel from a needle hole of a puncture needle through puncture of the puncture needle, then the venous catheter 1 is implanted into the venous blood vessel along the guide wire, a catheter connector 1.1 on the venous catheter 1 is connected with an infusion tube head, after connection, the central venous catheter is fixed on an arm of the patient through an adhesive tape, and then a nursing staff attaches implantation time to the adhesive tape, so that the medical staff can replace the venous catheter 1 in time.
As shown in fig. 2, a catheter connector 1.1 on an intravenous catheter 1 is connected with an infusion tube connector A2 through a screw, two infusion tubes 3 are arranged on the infusion tube connector A2, a stop valve 4 is arranged on the infusion tube 3, and the other end of the infusion tube 3 is connected with an infusion tube connector B5.
As shown in fig. 3, a clamping groove B1.3 is formed in the conduit connector 1.1, and threads are formed in the conduit connector 1.1; as shown in fig. 4, a clamping block B2.2 is arranged in an inner cavity 2.1 of the infusion tube connector A, and threads are arranged in the inner cavity 2.1 of the infusion tube connector A; the catheter connector 1.1 is connected with the infusion tube connector A2 through threads, and the clamping groove B1.3 is connected with the clamping block B2.2 in a clamping way, so that the catheter connector 1.1 is connected with the infusion tube connector A2 in a sealing way, bacteria and dust are prevented from entering the connection part, and the use of the intravenous catheter 1 is prevented from being influenced.
As shown in fig. 5, the intravenous catheter 1 is connected with an infusion tube head, a sealing block a5.2 on an infusion tube connector B5 is installed in an inner cavity of the housing 5.1, a connecting groove 5.3 is formed in the housing 5.1, a connecting ring 5.5 is installed in the connecting groove 5.3, a connecting piece 5.6 connects the connecting ring 5.5 with a sealing cover 5.9, and the sealing cover 5.9 is prevented from falling or losing, so that the use of the intravenous catheter is affected. Sealing block B5.7 installs on sealed lid 5.9, be provided with fixture block A5.8 on the sealing block B5.7, shell 5.1 inner chamber is provided with draw-in groove A5.4, fixture block A5.8 and draw-in groove A5.4 joint, and sealing block A5.2, sealing block B5.7 and fixture block A5.8 are soft silica gel material, through setting up sealed lid 5.9 on infusion tube connector B5, set up fixture block B5.8 on sealing block B5.7 that sealed lid 5.9 connects, fixture block B5.8 and draw-in groove A5.4 joint, make infusion tube connector B5 be in after the infusion is ended, be in sealing state throughout, prevent bacterium and dust entering, pollute the infusion tube, influence the use of intravenous catheter 1.
The above description is only illustrative of the preferred embodiments of the utility model and the technical principles employed. Meanwhile, the scope of the utility model is not limited to the technical scheme formed by the specific combination of the technical features, and other technical schemes formed by any combination of the technical features or the equivalent features thereof without departing from the inventive concept are also covered. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
Claims (6)
1. A central venous catheter for implanting through peripheral vein, including venous catheter (1) and transfer line connector A (2), characterized by: the infusion tube is characterized in that a catheter connector (1.1) on the intravenous catheter (1) is connected with an infusion tube connector A (2) through a screw, two infusion tubes (3) are arranged on the infusion tube connector A (2), a stop valve (4) is arranged on the infusion tube (3), and the other end of the infusion tube (3) is connected with an infusion tube connector B (5);
the infusion tube connector B (5) comprises a shell (5.1), a sealing block A (5.2), a connecting ring (5.5), a connecting sheet (5.6), a sealing cover (5.9) and a sealing block B (5.7), wherein the sealing block A (5.2) is installed in an inner cavity of the shell (5.1), a connecting groove (5.3) is formed in the shell (5.1), the connecting ring (5.5) is installed in the connecting groove (5.3), the connecting sheet (5.6) is connected with the connecting ring (5.5) and the sealing cover (5.9), the sealing block B (5.7) is installed on the sealing cover (5.9), a clamping block A (5.8) is arranged on the sealing block A (5.7), a clamping groove A (5.4) is arranged in the inner cavity of the shell (5.1), and the clamping block A (5.8) is clamped with the clamping groove A (5.4).
2. A central venous catheter for transperipheral venous implantation as claimed in claim 1, wherein: the conduit connector (1.1) is provided with a clamping groove B (1.3).
3. A central venous catheter for transperipheral venous implantation as claimed in claim 1, wherein: the conduit connector (1.1) is provided with threads.
4. A central venous catheter for transperipheral venous implantation as claimed in claim 1, wherein: the inner cavity of the infusion tube connector A (2) is provided with a clamping block B (2.2).
5. A central venous catheter for transperipheral venous implantation as claimed in claim 1, wherein: the inner cavity of the infusion tube connector A (2) is provided with threads.
6. A central venous catheter for transperipheral venous implantation as claimed in claim 1, wherein: the sealing block A (5.2), the sealing block B (5.7) and the clamping block A (5.8) are made of soft silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220698913.5U CN219941423U (en) | 2022-03-28 | 2022-03-28 | Central venous catheter for implantation through peripheral vein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220698913.5U CN219941423U (en) | 2022-03-28 | 2022-03-28 | Central venous catheter for implantation through peripheral vein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219941423U true CN219941423U (en) | 2023-11-03 |
Family
ID=88545214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220698913.5U Active CN219941423U (en) | 2022-03-28 | 2022-03-28 | Central venous catheter for implantation through peripheral vein |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219941423U (en) |
-
2022
- 2022-03-28 CN CN202220698913.5U patent/CN219941423U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |