CN217187194U - Reverse switching device of prevention CRRT dialysis catheter infection - Google Patents
Reverse switching device of prevention CRRT dialysis catheter infection Download PDFInfo
- Publication number
- CN217187194U CN217187194U CN202220691025.0U CN202220691025U CN217187194U CN 217187194 U CN217187194 U CN 217187194U CN 202220691025 U CN202220691025 U CN 202220691025U CN 217187194 U CN217187194 U CN 217187194U
- Authority
- CN
- China
- Prior art keywords
- reverse
- route
- reverse switching
- crrt
- dialysis catheter
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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
Links
- 238000000502 dialysis Methods 0.000 title claims abstract description 42
- 230000002265 prevention Effects 0.000 title claims abstract description 11
- 206010064687 Device related infection Diseases 0.000 title claims abstract description 10
- 210000001367 artery Anatomy 0.000 claims abstract description 18
- 210000003462 vein Anatomy 0.000 claims abstract description 18
- 208000015181 infectious disease Diseases 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 20
- 210000004369 blood Anatomy 0.000 abstract description 20
- 238000011282 treatment Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012959 renal replacement therapy Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model discloses a reverse switching device of prevention CRRT dialysis catheter infection, reverse switching device main part includes first reverse switching joint and the reverse switching joint of second, both adjacent one ends are pegged graft, both inside all open vein route and the artery route, the vein route of first reverse switching joint, the artery route respectively with the vein route of the reverse switching joint of second, the artery route can be pegged graft and can reverse grafting, the route of first reverse switching joint, first connecting pipe is connected respectively to the other end of the route of the reverse switching joint of second, the second connecting pipe. The artery access of the first reverse adapter connector and the artery access of the second reverse adapter connector are provided with forward connection marks, and the vein access of the first reverse adapter connector and the second reverse adapter connector is provided with reverse connection marks. The utility model discloses a reverse switching device connects in the middle of dialysis pipe and the external circulation line of CRRT, pulls out the reverse switching of second and connects its reverse grafting, can make and appear drawing the blood when not smooth in CRRT treatment, can will draw blood return blood end rapidly, closed ground and carry out the switching.
Description
Technical Field
The utility model relates to a reverse switching device technical field among the medical instrument, in particular to reverse switching device of prevention CRRT dialysis catheter infection.
Background
Continuous renal replacement therapy, CRRT for short, is a blood purification technique that continuously and slowly removes water and solutes by extracorporeal circulation blood purification to replace renal function. The dialysis catheter is the main vascular access for CRRT treatment, blood is introduced through the double-lumen dialysis catheter, and the blood is filtered and dialyzed by the filter and then returned to the patient through the dialysis catheter. The good function state of the catheter can not only prolong the service life of the CRRT filter, but also ensure the dialysis effect and quality, and is also a necessary condition for CRRT treatment.
In clinical practice, dialysis catheters typically use a red arterial end to draw blood and a blue venous end to return blood. But the change of patient's position, excessive oppression of activity, recovered exercise, capacity are not enough etc. cause probably displacement or the subsides vascular wall condition of transient pipeline to the condition such as the difficult, frequent warning of leading blood appears, need to break off the dialysis catheter, the inspection pipeline patency, when leading blood still not smooth, need draw blood and return blood end and connect conversely, preferentially guarantee CRRT normally to treat. Frequent opening of the tubing connections, increased exposure time of the connection to air, increased risk of patient tubing infection, and prolonged alarm handling time can accelerate filter clotting leading to conditions where CRRT cannot continue to operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reverse switching device of prevention CRRT dialysis catheter infection to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a reverse switching device of prevention CRRT dialysis catheter infection, including reverse switching device main part, reverse switching device main part includes first reverse switching joint and the reverse switching joint of second, the connection can be dismantled to both adjacent one ends, inside vein route and the artery route of all having opened of first reverse switching joint and the reverse switching joint of second, the vein route of first reverse switching joint, the artery route respectively with the reverse switching joint of second, the connection can be dismantled and can the reversal to artery route one-to-one, the route of first reverse switching joint, first connecting pipe is connected respectively to the other end of the route of the reverse switching joint of second, the second connecting pipe.
In the reverse adapter device for preventing the infection of the CRRT dialysis catheter, the adjacent ends of the first reverse adapter connector and the second reverse adapter connector are inserted. The two can be clamped by a buckle. The splicing specifically comprises the following steps: the first reverse adapter end is tapered inwardly to form a platform on which the second reverse adapter end is seated for mating. The width of the platform is about 0.5-1 mm.
In the reverse adapter device for preventing the infection of the CRRT dialysis catheter, the venous access and the arterial access at the adjacent ends of the first reverse adapter connector and the second reverse adapter connector are respectively inserted. The two can be clamped by a buckle. The splicing specifically comprises the following steps: the vein access end of the first reverse adapter connector is inwardly contracted to be thin and form a platform, the vein access end of the second reverse adapter connector is inserted by sitting on the platform, and the width of the platform is about 0.5-1 mm; the arterial access end of the first reverse adapter is tapered inwardly to form a platform on which the arterial access end of the second reverse adapter is docked by sitting, the platform being about 0.5-1mm wide.
The reverse adapter device of foretell prevention CRRT dialysis catheter infection, the inner wall that first reverse adapter joint one end was kept away from to first connecting pipe is carved with the internal thread to threaded connection has the protective cap, the outer wall that second reverse adapter joint one end was kept away from to the second connecting pipe is carved with the external screw thread, and threaded connection has the protective cap.
The reverse switching device for preventing the infection of the CRRT dialysis catheter is characterized in that sampling ports are formed in the venous access and the arterial access of the first reverse switching connector, and the access of each sampling port is communicated with the corresponding venous access and arterial access.
The reverse switching device for preventing the infection of the CRRT dialysis catheter is characterized in that the second connecting pipe is connected with a liquid stopping clamp.
In the reverse switching device for preventing the infection of the CRRT dialysis catheter, the artery access parts of the first reverse switching connector and the second reverse switching connector are coated with, engraved with or integrally formed with forward connection marks, and the vein access parts of the first reverse switching connector and the second reverse switching connector are coated with, engraved with or integrally formed with reverse connection marks.
In the reverse adapter device for preventing the infection of the CRRT dialysis catheter, the reverse connection mark of the second reverse adapter connector is connected with the handle.
The reverse switching device for preventing the infection of the CRRT dialysis catheter is characterized in that a positive pressure connector is connected inside the interface of one end, far away from the main body of the reverse switching device, of the first connecting pipe and the second connecting pipe.
In the reverse switching device for preventing the infection of the CRRT dialysis catheter, the sampling port is covered by a thick adhesive film with the thickness of 0.2-0.35 mm.
In the reverse adapter device for preventing the infection of the CRRT dialysis catheter, the adjacent ends of the venous access and the arterial access of the first reverse adapter connector and the second reverse adapter connector are in a circular truncated cone shape and are connected in an inserting mode.
The utility model discloses a technological effect and advantage:
(1) the utility model discloses a reverse switching device connects in the middle of dialysis pipe and the external circulation pipeline of CRRT, pulls out the reverse switching of second and connects its reverse grafting, can make appear drawing blood when not smooth in CRRT treatment, can will draw blood return blood end rapidly, closed ground and carry out the switching, and easy operation is convenient, reducible CRRT's alarm processing time to guarantee the continuation and the effect of CRRT treatment.
(2) The utility model discloses the malleation of connecting the CRRT pipeline is connected in the utilization, before the inspection is gone up the computer, the inspection dialyses the pipe patency and when dashing the seal pipe, and effectual reduction dialysis pipe connects the time that exposes in the air, also can avoid dialysing the pipe and return the unsmooth condition of drawing blood that the blood leads to the emergence of prevention dialysis pipe infection.
(3) The utility model discloses the blood end is led back to the direct intercommunication dialysis catheter of sampling port that utilizes to puncture, can carry out the wash pipe temporarily or administer the processing when CRRT treatment through direct puncture, can be convenient for the monitoring stay get the sample blood sample, improves clinical practicality.
Drawings
Fig. 1 is a schematic view of the overall structure of the utility model during positive connection.
Fig. 2 is the schematic view of the overall structure after the reverse transfer of the present invention.
Fig. 3 is a schematic connection diagram of the CRRT treatment of the present invention.
In the figure: the device comprises a dialysis catheter 1, a first connecting pipe 2, a sampling port 3, a second reverse adapter 4, a liquid stopping clamp 5, a second connecting pipe 6, a first reverse adapter 7, a handle 8, a reverse adapter main body 9, a CRRT extracorporeal circulation pipeline 10, a forward connection mark 11 and a reverse connection mark 12.
Detailed Description
Example 1
The utility model provides a reverse switching device of prevention CRRT dialysis catheter infection, including reverse switching device main part 9, reverse switching device main part 9 includes first reverse adapter joint 7 and the reverse adapter joint 4 of second, the connection can be dismantled to both adjacent one ends, first reverse adapter joint 7 and the inside vein route and the artery route of all opening of the reverse adapter joint 4 of second, the vein route of first reverse adapter joint 7, the artery route respectively with the reverse adapter joint's of second 4 vein routes, artery route one-to-one can be dismantled and connect and can connect conversely, the route of first reverse adapter joint 7, first connecting pipe 2 is connected respectively to the other end of the route of the reverse adapter joint 4 of second, second connecting pipe 6. The passage is a pipe.
In some preferred embodiments, the adjacent ends of the first counter adapter 7 and the second counter adapter 4 are plugged together.
In some preferred embodiments, the venous and arterial access at the adjacent ends of the first and second reversing connectors 7 and 4 are plugged separately.
In some specific embodiments, the inner wall of the first connecting pipe 2 at the end far away from the first reverse adapter 7 is internally threaded and is threadedly connected with a protective cap, and the outer wall of the second connecting pipe 6 at the end far away from the second reverse adapter 4 is externally threaded and is threadedly connected with a protective cap.
In some preferred embodiments, the venous access and the arterial access of the first reverse adapter 7 are provided with sampling ports 3, and the access of the sampling ports is communicated with the corresponding venous access and arterial access.
In some preferred embodiments, a liquid stopping clip 5 is connected to the second connecting pipe 6.
In some preferred embodiments, the artery access points of the first reverse adapter 7 and the second reverse adapter 4 are coated, engraved or integrated with a forward connection mark 11, and the vein access points of the first reverse adapter 7 and the second reverse adapter 4 are coated, engraved or integrated with a reverse connection mark 12.
In some preferred embodiments, a handle 8 is connected to the reverse connection sign 12 of the second reverse adapter 4.
In some preferred embodiments, a positive pressure connector is connected to the inside of the interface of the first connecting pipe 2 and the second connecting pipe 6 at the end far away from the main body of the reverse adapter. The structure of the positive pressure joint is as follows: including the malleation joint main part, malleation joint main part one end is formed with the internal thread and cup joints, and the other end is formed with the external screw thread and props a butylene plug by built-in spring, from the external screw thread interface that inside closed malleation connects.
In some specific expansion embodiments, the sampling port 3 is covered with a thick adhesive film of 0.2-0.35 mm. The steel needle of the injector pierces the thick glue film to sample, after sampling, the steel needle withdraws, the micro needle hole on the thick glue film self-closes.
In some preferred embodiments, the ends of the first and second reversing connectors 7, 4 adjacent to the venous and arterial access are truncated cones and are spliced together.
Example 2
The utility model provides a reverse switching device of prevention CRRT dialysis catheter infection, includes reverse switching device main part 9, and reverse switching device main part 9 divide into two parts, is first reverse switching joint 7 and second reverse switching joint 4 respectively, and two first connecting pipes 2, two second connecting pipes 6 are connected respectively to both ends. The first reverse adapter connector 7 of the cylinder is internally penetrated by two first connecting pipes 2, the first connecting pipes 2 are internal threads and are provided with protective caps, the sampling port 3 on the first reverse adapter connector 7 can be communicated with the first connecting pipes 2 through puncture, and corresponding marks for positive connection and reverse connection are respectively marked on two sides of the first reverse adapter connector 7 and two sides of the second reverse adapter connector 4. The inside through connection two second connecting pipes 6 of the reverse adapter 4 of second, second connecting pipe 6 is the external screw thread to be furnished with the protective cap, correspond with two first connecting pipes 2 in the reverse adapter 7 of first, be connected with respectively on the second connecting pipe 6 and end liquid clamp 5 (because of having on the dialysis catheter 1 and ending liquid clamp 5, so do not need to connect on the first connecting pipe 2 and end the liquid clamp), 6 tail ends of second connecting pipe are the external screw thread interface, the kneck is connected with the malleation and connects, the handle 8 on the reverse adapter 4 of second corresponds the back-joining sign 12 department of connecting at the cylinder. The reverse switching device of the utility model is connected between the dialysis catheter 1 and the CRRT extracorporeal circulation pipeline 10.
Claims (10)
1. The utility model provides a reverse switching device of prevention CRRT dialysis catheter infection, a serial communication port, including reverse switching device main part, reverse switching device main part includes first reverse switching joint and the reverse switching joint of second, and the connection can be dismantled to both adjacent one ends, and both inside all open vein route and artery route, the vein route of first reverse switching joint, artery route respectively with the vein route of the reverse switching joint of second, artery route one-to-one can be dismantled and connect and can connect conversely, first connecting pipe, second connecting pipe are connected respectively to the route of first reverse switching joint, the other end of the route of the reverse switching joint of second.
2. The reverse adapter device for preventing infection in a CRRT dialysis catheter of claim 1, wherein the first reverse adapter connector and the second reverse adapter connector are connected at their adjacent ends.
3. The reverse adapter device for preventing infection of a CRRT dialysis catheter as claimed in claim 1, wherein the venous and arterial access at the adjacent end of the first and second reverse adapter connectors are respectively plugged.
4. The reverse adapter device for preventing the infection of CRRT dialysis catheter as claimed in claim 1, wherein the first connecting tube is internally threaded and threadedly connected with a protective cap at an end thereof remote from the first reverse adapter, and the second connecting tube is externally threaded and threadedly connected with a protective cap at an end thereof remote from the second reverse adapter.
5. The reverse adapter device for preventing the infection of the CRRT dialysis catheter as claimed in claim 1, wherein the venous access and the arterial access of the first reverse adapter are opened with sampling ports, and the access of the sampling ports is communicated with the corresponding venous access and arterial access.
6. The reverse adapter device for preventing infection of a CRRT dialysis catheter as claimed in claim 1, wherein a liquid stop clip is connected to the second connection tube.
7. The reverse adapter device for preventing the infection of the CRRT dialysis catheter as claimed in claim 1, wherein the artery access of the first reverse adapter and the artery access of the second reverse adapter are coated, engraved or integrally formed with forward connection marks, and the vein access of the first reverse adapter and the vein access of the second reverse adapter are coated, engraved or integrally formed with reverse connection marks.
8. The reverse adapter device for preventing infection of CRRT dialysis catheter according to claim 7, wherein the reverse adapter connector has a handle attached to the reverse label.
9. The reverse adapter device for preventing the infection of the CRRT dialysis catheter as claimed in claim 1, wherein a positive pressure connector is connected to the interface of the first connecting tube and the second connecting tube, which is far away from the reverse adapter device body.
10. The reverse adapter device for preventing the infection of the CRRT dialysis catheter as claimed in claim 5, wherein the sampling port is covered with a 0.2-0.35mm thick plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220691025.0U CN217187194U (en) | 2022-03-28 | 2022-03-28 | Reverse switching device of prevention CRRT dialysis catheter infection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220691025.0U CN217187194U (en) | 2022-03-28 | 2022-03-28 | Reverse switching device of prevention CRRT dialysis catheter infection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217187194U true CN217187194U (en) | 2022-08-16 |
Family
ID=82757642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220691025.0U Expired - Fee Related CN217187194U (en) | 2022-03-28 | 2022-03-28 | Reverse switching device of prevention CRRT dialysis catheter infection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217187194U (en) |
-
2022
- 2022-03-28 CN CN202220691025.0U patent/CN217187194U/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: 20220816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |