CN214912381U - Central venous catheter with fixing device at tail end - Google Patents
Central venous catheter with fixing device at tail end Download PDFInfo
- Publication number
- CN214912381U CN214912381U CN202120415365.6U CN202120415365U CN214912381U CN 214912381 U CN214912381 U CN 214912381U CN 202120415365 U CN202120415365 U CN 202120415365U CN 214912381 U CN214912381 U CN 214912381U
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- China
- Prior art keywords
- branch pipe
- pipe
- fixing
- cavity branch
- main cavity
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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
- 239000012790 adhesive layer Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 210000004369 blood Anatomy 0.000 abstract description 13
- 239000008280 blood Substances 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 abstract description 5
- 208000036828 Device occlusion Diseases 0.000 abstract 1
- 230000017531 blood circulation Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 2
- 208000032456 Hemorrhagic Shock Diseases 0.000 description 1
- 206010049771 Shock haemorrhagic Diseases 0.000 description 1
- 239000010836 blood and blood product Substances 0.000 description 1
- 229940125691 blood product Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a central venous catheter with a fixing device at the tail end, which is applied to the technical field of medical appliances, solves the problem that the internal pressure of the catheter is unbalanced due to extrusion, under the state that positive pressure is not ensured during tube sealing, blood flows back into the catheter, which easily causes the problem of catheter blockage, and comprises a catheter body, a main cavity branch tube, a side cavity branch tube and a three-tube fixing seat, the main cavity branch pipe and the side cavity branch pipe are connected with one end of the catheter body, the three-pipe fixing seat is fixedly arranged at the connecting part of the catheter body and the main cavity branch pipe and the side cavity branch pipe, the main cavity branch pipe and the side cavity branch pipe are respectively sleeved with an anti-extrusion fixing sleeve, the cross section of the fixing sleeve is arranged in an omega shape, the fixing sleeve is made of hard plastic, and a bonding adhesive layer used for bonding the fixing sleeve to the main cavity branch pipe or the side cavity branch pipe is arranged on the inner wall of the fixing sleeve; the central venous catheter with the fixing device at the tail end of the fixing sleeve is free from internal pressure balance under extrusion force, and blood is not easy to flow backwards during tube sealing.
Description
Technical Field
The utility model discloses use in medical instrument technical field, especially relate to a tail end has fixing device's central venous catheter.
Background
The placement of the existing central venous catheter with a fixing device at the tail end is a common monitoring and treating means in clinic, and a simple and painless method is provided for intravenous drug treatment, rapid blood transfusion and volume treatment of hemorrhagic shock in operation, nutrition of the central venous outside the whole intestine, blood transfusion and blood products, blood sample collection, central venous pressure monitoring and the like through the inlet of the central venous catheter with the fixing device at the tail end. When current central venous catheter was managed the operation at the seal, medical personnel can hold between the fingers the pipe, and the limit malleation seals the pipe, and the limit presss from both sides the stagnant water clamp that closes, because the pipe has been extruded to the finger when the seal pipe, if when the clamp was closed, the seal pipe did not guarantee the malleation, then leads to the pressure imbalance in the pipe, therefore blood easily flows back to in the pipe, and then easily causes the pipe to block up. In addition, the tail end of the central venous catheter is free, accidental tube drawing is easily caused when the central venous catheter is subjected to pulling force, and meanwhile, the tail end of the catheter is easily pressed, twisted and folded, so that pressure balance in the catheter is damaged, blood backflow is caused, and the catheter is blocked.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tail end has fixing device's central venous catheter, has solved the pipe and has received the extrusion, leads to its internal pressure unbalanced, does not guarantee under the state of malleation when sealing the pipe, and in blood reflux was to the pipe, easily caused the problem of pipe jam.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a tail end has fixing device's central venous catheter, including pipe body, main cavity branch pipe, side chamber branch pipe and tee pipe fixing base, main cavity branch pipe, side chamber branch pipe are connected with the one end of pipe body, the fixed setting of tee pipe fixing base is in pipe body and main cavity branch pipe, side chamber branch connection department, its characterized in that, the cover is equipped with the fixed sleeve pipe of preventing the extrusion usefulness respectively on main cavity branch pipe and the side chamber branch pipe, fixed sleeve pipe is rigid plastic, be provided with on the fixed sleeve pipe's the inner wall and be used for bonding the fixed sleeve pipe at the bonding glue film on main cavity branch pipe or side chamber branch pipe.
Furthermore, one side of the fixing sleeve is in a plane arrangement, a double-sided adhesive layer is arranged on the plane of the fixing sleeve, and a tearing paste is arranged on the double-sided adhesive layer.
Furthermore, the cross section of the fixing sleeve is in an omega shape and is arranged in a transparent shape.
Furthermore, all be provided with on main cavity branch pipe and the side chamber branch pipe and end the clamp that flows, it sets up between fixed pipeline and tee pipe fixing base to end the clamp that flows.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model relates to a central venous catheter with a fixing device at the tail end, which comprises a catheter body, a main cavity branch pipe, a side cavity branch pipe and a three-pipe fixing seat, wherein the main cavity branch pipe and the side cavity branch pipe are connected with one end of the catheter body, the three-pipe fixing seat is fixedly arranged at the connection part of the catheter body, the main cavity branch pipe and the side cavity branch pipe, the main cavity branch pipe and the side cavity branch pipe are respectively sleeved with a fixing sleeve pipe for preventing extrusion, the fixing sleeve pipe is made of hard plastic, when medical staff pinch the fixing sleeve pipe to seal the catheter by hands, the fixing sleeve pipe is not easy to deform, the fixing sleeve pipe plays a role in protecting the main cavity branch pipe or the side cavity branch pipe, the main cavity branch pipe or the side cavity branch pipe is not subject to extrusion force, the pressure balance in the central venous catheter with the fixing device at the tail end is balanced, blood is not easy to flow back into the catheter body when sealing the catheter, so that the catheter body is not easy to be blocked;
further, be provided with two-sided glue film on the fixed sleeving's the plane, conveniently fix fixed sleeving on patient's health through two-sided glue film, and then fixed main cavity branch pipe and side chamber branch pipe, the phenomenon of unexpected tube drawing appears when preventing to receive the effect of external force when using, also prevents main cavity branch pipe or side chamber branch pipe tail end pressurized simultaneously, distortion, folding, cause central venous catheter internal pressure balance to be destroyed in leading to the blood backward flow to send the pipe, cause the pipe to block up.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an overall structure in an embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of the fixing sleeve according to the present invention.
Wherein the reference numerals are as follows:
1. a catheter body; 2. a main chamber branch pipe; 3. a side chamber branch pipe; 4. a three-tube fixing seat; 5. fixing the sleeve; 6. a bonding glue layer; 7. a double-sided adhesive layer; 8. tearing and pulling the paster; 9. and (4) a flow stopping clamp.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, a central venous catheter with a fixing device at the tail end provided by the invention comprises a catheter body 1, a main lumen branch pipe 2, a side lumen branch pipe 3 and a three-tube fixing seat 4, wherein the main lumen branch pipe 2 and the side lumen branch pipe 3 are connected with one end of the catheter body 1, the three-tube fixing seat 4 is fixedly arranged at the joint of the catheter body 1 and the main lumen branch pipe 2, the side lumen branch pipe 3, the main lumen branch pipe 2 and the side lumen branch pipe 3 are respectively sleeved with a fixing sleeve pipe 5 for preventing extrusion, the fixing sleeve pipe 5 is made of hard plastic, therefore, when a medical worker seals the catheter, the fixing sleeve pipe 5 is directly pinched by fingers, the hand of the medical worker can be prevented from directly contacting the main lumen branch pipe 2 and the side lumen branch pipe 3, and the fixing sleeve pipe 5 is made of hard plastic, when the medical worker pinches the fixing sleeve pipe 5 by the hand, the fixing sleeve pipe 5 is not easy to deform, the main lumen branch pipe 2 or the side lumen branch pipe 3 is protected by the fixing sleeve pipe 5, the main cavity branch pipe 2 or the side cavity branch pipe 3 is not extruded, the pressure in the central venous catheter with the fixing device at the tail end is balanced, blood is not easy to flow back into the catheter body 1 when the catheter is sealed, and the catheter body 1 is not easy to block; be provided with on the inner wall of fixed sleeve 5 and be used for bonding fixed sleeve 5 at main cavity branch pipe 2 or the bonding glue film 6 on side chamber branch pipe 3, guarantee through bonding glue film 6 that fixed sleeve 5 is difficult to slide on main cavity branch pipe 2 or side chamber branch pipe 3, make things convenient for medical personnel to operate during the seal pipe. Wherein, the cross-section of fixation sleeve 5 is omega shape setting, and its one side open end has elasticity to conveniently fix fixation sleeve 5 on main cavity branch pipe 2 or side chamber branch pipe 3, the viscidity of the glue film that sets up simultaneously on fixation sleeve 5 reduces, is omega shape setting through the cross-section with fixation sleeve 5, then conveniently dismantles fixation sleeve 5 getting off the renewal fixation sleeve 5.
Further, refer to fig. 1 and fig. 2, one side on the fixed sleeve 5 is the plane setting, be provided with double-sided adhesive layer 7 on the plane of fixed sleeve 5, it fixes fixed sleeve 5 on patient's health to make things convenient for through double-sided adhesive layer 7, and then fixed main cavity branch pipe 2 or side chamber branch pipe 3, the phenomenon of unexpected tube drawing appears when preventing to receive the effect of external force when using, also prevent simultaneously that main cavity branch pipe 2 or 3 tail ends of side chamber branch pipe from being pressed, the distortion, it is folding, cause central venous catheter internal pressure balance to be destroyed and cause the blood backward flow to cause in the pipe, cause central venous catheter to block up. Be provided with on two-sided adhesive layer 7 and tear and draw subsides 8, tear and draw effect that subsides 8 played the protection to two-sided adhesive layer 7, prevent to adhere to on the two-sided adhesive layer 7 and have the dust, influence two-sided adhesive layer 7's viscidity. Fixed sleeve 5 is the setting of transparent form, makes things convenient for medical personnel to look over the condition in main cavity branch pipe 2 or the side chamber branch pipe 3. All be provided with on main cavity branch pipe 2 and the side chamber branch pipe 3 and end the clamp 9 that flows, prevent the blood backward flow through ending the clamp 9 that flows, end the clamp 9 that flows and set up between fixed pipeline 5 and tee pipe fixing base 4, make and end the clamp 9 and remain the position of being close to central venous catheter puncture point all the time.
In summary, the following steps: through the fixed sleeving 5 that is provided with rigid plastic on main cavity branch pipe 2 or side chamber branch pipe 3, medical personnel hold between the fingers fixed sleeving 5 and seal the pipe time, fixed sleeving 5 non-deformable, then fixed sleeving 5 plays the effect of protection to main cavity branch pipe 2 or side chamber branch pipe 3, make main cavity branch pipe 2 or side chamber branch pipe 3 not receive the extrusion, the tail end has the pressure balance in fixing device's the central venous catheter this moment, blood is difficult for flowing back in catheter body 1 when sealing the pipe, and then catheter body 1 is difficult for being blockked up.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. The utility model provides a tail end has fixing device's central venous catheter, includes pipe body, main cavity branch pipe, side chamber branch pipe and tee pipe fixing base, main cavity branch pipe, side chamber branch pipe are connected with the one end of pipe body, the fixed setting of tee pipe fixing base is in pipe body and main cavity branch pipe, side chamber branch pipe junction, its characterized in that, the cover is equipped with the fixed sleeve pipe of preventing the extrusion usefulness on main cavity branch pipe and the side chamber branch pipe respectively, fixed sleeve pipe is rigid plastic, be provided with on fixed sleeve pipe's the inner wall and be used for bonding the adhesive layer on main cavity branch pipe or side chamber branch pipe with fixed sleeve pipe.
2. The central venous catheter with the fixing device at the tail end as claimed in claim 1, wherein one side surface of the fixing sleeve is arranged in a plane, a double-sided adhesive layer is arranged on the plane of the fixing sleeve, and a tearing paste is arranged on the double-sided adhesive layer.
3. The central venous catheter with the fixing device at the tail end as claimed in claim 1 or 2, characterized in that the cross section of the fixing sleeve is in an omega shape and is arranged in a transparent manner.
4. The central venous catheter with the fixing device at the tail end as claimed in claim 3, wherein the main lumen branch and the side lumen branch are provided with a flow stopping clip, and the flow stopping clip is arranged between the fixing pipeline and the three-tube fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415365.6U CN214912381U (en) | 2021-02-25 | 2021-02-25 | Central venous catheter with fixing device at tail end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415365.6U CN214912381U (en) | 2021-02-25 | 2021-02-25 | Central venous catheter with fixing device at tail end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214912381U true CN214912381U (en) | 2021-11-30 |
Family
ID=79097867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120415365.6U Expired - Fee Related CN214912381U (en) | 2021-02-25 | 2021-02-25 | Central venous catheter with fixing device at tail end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214912381U (en) |
-
2021
- 2021-02-25 CN CN202120415365.6U patent/CN214912381U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |