CN220125237U - Three-cavity central venous catheter - Google Patents
Three-cavity central venous catheter Download PDFInfo
- Publication number
- CN220125237U CN220125237U CN202321427677.4U CN202321427677U CN220125237U CN 220125237 U CN220125237 U CN 220125237U CN 202321427677 U CN202321427677 U CN 202321427677U CN 220125237 U CN220125237 U CN 220125237U
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- Prior art keywords
- limiting
- sliding
- central venous
- venous catheter
- block
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- 238000001802 infusion Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 9
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to a three-cavity central venous catheter, which limits an infusion tube placed in a guide cavity through limiting a clamping block, and drives two sliding columns to be mutually close by pinching the two sliding columns, so as to drive the limiting clamping block to move forward, further drive the infusion tube to be inserted into an indwelling tube, a medical staff can connect a plurality of infusion tubes with the indwelling tube by one hand, the infusion grafting efficiency is improved, the central venous catheter in a patient is not easy to pull, the protection of the patient is facilitated, the sliding columns are limited by limiting blocks, then an infusion connector is stably spliced in the indwelling tube, only the two limiting blocks are required to be pushed away relatively when the infusion connector is required to be detached and replaced, the operation is simple, the detachment and replacement efficiency is high, and the technical scheme of the utility model has wide application prospects in the technical field of medical equipment.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a three-cavity central venous catheter.
Background
In some patients with complicated illness, a plurality of infusion channels are needed to be simultaneously present during treatment, so that a multichannel central venous catheter is needed. A general central venous catheter has no fixing means, and in order to prevent infection, a puncture site and a part of the catheter left outside the body around the puncture site are covered with a transparent sterile dressing and the dressing is replaced periodically.
When the infusion tube is inserted into and pulled out of a patient, medical staff is required to sequentially connect or disconnect the joints of a plurality of infusion tubes with the joint parts on the indwelling tube, but when the joints are connected, the joint parts of the indwelling tube are required to be pulled, when the joint parts are pulled, the central venous catheter is easy to pull, the central venous catheter is led to stimulate blood vessels to induce bleeding, even the tip of the catheter is shifted, unplanned tube pulling is caused, pain and economic loss are caused for the patient, and disputed hidden danger exists, and meanwhile, for the three-cavity central venous catheter, the three joint parts are required to be sequentially connected, so that the risk of shifting of the central venous catheter is greatly increased, and the connecting speed of the central venous catheter is lower, and the efficiency is low.
For this reason, there is an urgent need for a three-lumen central venous catheter to solve the problems occurring in the prior art as described above.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides a three-cavity central venous catheter.
The technical scheme of the utility model is that the infusion device comprises a fixed body, wherein a slot is formed in the upper end of the fixed body, a central venous catheter is arranged in the fixed body, three indwelling pipes which are sequentially and uniformly distributed along the left and right directions are arranged at the upper end of the central venous catheter, guide cavities which are in one-to-one correspondence with the indwelling pipes are arranged in the fixed body, infusion pipes which are in one-to-one correspondence with the indwelling pipes are arranged at the rear side of the guide cavities, wedge-shaped sliding blocks which can slide forwards and backwards are respectively arranged at the left and right sides in the fixed body, a reset pressure spring is arranged at the front side of the sliding blocks, the other end of the reset pressure spring is fixedly connected with the fixed body, oblique sliding grooves are respectively formed at the left and right sides on the fixed body, the front side of the sliding grooves are inclined in the direction close to the indwelling pipes, sliding columns which can move in the sliding grooves are respectively movably connected with the left and right sides in the sliding grooves, rotating wheels are arranged on the sliding columns, the sliding blocks are in contact with wedge-shaped surfaces on the sliding blocks, clamping grooves are formed on the sliding blocks, the other end limiting mechanisms which can be inserted into the clamping grooves, and limit the limiting mechanisms on the left and right sides of the fixed body.
Preferably, the stop gear includes spacing groove, spacing pressure spring, stopper, be provided with the spacing groove with the sliding tray intercommunication on the fixed body, be provided with spacing pressure spring in the spacing groove, the one end that is close to the slip post on the spacing pressure spring is provided with the stopper, the stopper can be in the spacing groove internal sliding and can insert the sliding tray.
Preferably, the front end of the limiting clamping block is provided with a notch, the front end of each infusion tube is provided with a protrusion positioned in the notch, and the lower end of the limiting clamping block is provided with a fixing block which can be contacted with the protrusion.
Preferably, the lower extreme of the fixed body is provided with ventilative application, ventilative application's left and right sides is provided with the subsides area respectively.
Preferably, a rotating handle is arranged at the upper end of the sliding column.
Compared with the prior art, the technical scheme of the utility model can achieve the following beneficial effects:
(1) The infusion tube fixing device comprises a guide cavity, limiting clamping blocks and sliding columns, wherein the limiting clamping blocks are used for limiting an infusion tube placed in the guide cavity, the two sliding columns are pinched, and then the two sliding columns are driven to be close to each other, so that the limiting clamping blocks are driven to move forwards, the infusion tube is driven to be inserted into an indwelling tube, and medical staff can conduct connection between a plurality of infusion tubes and the indwelling tube by one hand. The infusion insertion efficiency is improved, and the central venous catheter in the patient is not easy to pull, so that the patient is protected;
(2) The limiting mechanism is arranged, the sliding column is limited by the limiting blocks, then the infusion connector is stably inserted into the indwelling tube, when the infusion connector needs to be disassembled and replaced, only the two limiting blocks are required to be pushed away relatively, the operation is simple, and the disassembly and replacement efficiency is high;
the technical scheme of the utility model has wide application prospect in the technical field of medical equipment.
Drawings
Fig. 1 is an isometric view of the present utility model.
Fig. 2 is a top view in full section of the present utility model.
Fig. 3 is a view of the internal components of the fixture of the present utility model.
Fig. 4 is an enlarged view of the fixing body of the present utility model.
Fig. 5 is an enlarged view of a of fig. 1 in accordance with the present utility model.
Fig. 6 is an enlarged view of B of fig. 2 in accordance with the present utility model.
Fig. 7 is an enlarged view of a defined latch of the present utility model.
The infusion device comprises a fixing body 1, a slot 2, a slot 3, a central venous catheter 4, an indwelling tube 5, a guiding cavity 6, an infusion tube 7, a sliding block 8, a resetting pressure spring 9, a sliding groove 10, a sliding column 11, a rotating wheel 12, a clamping groove 13, a limiting clamping block 14, a limiting groove 15, a limiting pressure spring 16, a limiting block 17, a notch 18, a fixing block 19, a ventilation application 20, a tape 21 and a rotating handle.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which may be made by those skilled in the art without the inventive faculty, are intended to be within the scope of the present utility model, and in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance in the description of the present utility model, but rather as being construed broadly as the terms "mounted," "connected," "coupled," or "connected" unless expressly specified or limited otherwise, e.g., as either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The three-cavity central venous catheter shown in fig. 1-7 comprises a fixed body 1, wherein a slot 2 is formed in the upper end of the fixed body 1, the fixed body 1 is made of medical transparent plastic materials, a central venous catheter 3 is fixedly connected in the fixed body 1, the central venous catheter 3 is used for puncturing a venous blood vessel of a patient and is reserved in the patient, three reserved pipes 4 which are sequentially and uniformly distributed in the left-right direction are fixedly communicated with the upper end of the central venous catheter 3, the reserved pipes 4 are used for being inserted with infusion pipes 6, guide cavities 5 which are in one-to-one correspondence with the reserved pipes are fixedly connected in the fixed body 1, the infusion pipes 6 which are in one-to-one correspondence with the reserved pipes 4 are embedded in the rear side of the guide cavities 5, when the infusion pipes 6 are placed in the guide cavities 5, the infusion pipes 6 can slide into the reserved pipes 4 along the guide cavities 5 to complete the insertion process, the front ends of the guide cavities 5 are the end openings of the reserved pipes 4, and the infusion pipes 6 are placed into the rear ends of the guide cavities 5 when the infusion pipes are placed in the guide cavities, and the infusion pipes are moved into the ports to complete the insertion process.
As shown in fig. 1-7, in a specific embodiment, two sliding blocks 7 are slidably connected to the left and right sides in the fixed body 1 and can slide back and forth respectively, the two sliding blocks 7 are distributed symmetrically about the central venous catheter 3, a wedge surface is formed on the sliding blocks 7, a reset compression spring 8 is fixedly connected to the front side of the sliding blocks 7, the other end of the reset compression spring 8 is fixedly connected with the fixed body 1, oblique sliding grooves 9 are respectively formed on the left and right sides on the fixed body 1, the front side of the sliding grooves 9 inclines in a direction close to the indwelling tube 4, sliding columns 10 capable of moving in the sliding grooves 9 are movably connected to the left and right sides in the fixed body 1 respectively, rotating wheels 11 are rotatably connected to the sliding columns 10, when the sliding columns 10 slide in the sliding grooves 9, the sliding columns 11 drive the rotating wheels 11 to move, and the rotating wheels 11 drive the sliding blocks 7 to move forward.
As shown in fig. 1-7, in a specific embodiment, a clamping groove 12 is formed in a sliding block 7, a limiting clamping block 13 which can be inserted into the clamping groove 12 is embedded and connected onto the sliding block 7, the limiting clamping block 13 can be inserted into the clamping groove 12, a notch 17 is formed in the front end of the limiting clamping block 13, a protrusion located in the notch 17 is fixedly connected to the front end of each infusion tube 6, when the limiting clamping block 13 is inserted onto the sliding block 7, the protrusion on the infusion tube 6 is covered by the notch 17, and then when the limiting clamping block 13 moves, the infusion tube 6 is driven to move, and a fixing block 18 which can be in contact with the protrusion is fixedly connected to the lower end of the limiting clamping block 13.
As shown in fig. 1-7, in a specific embodiment, two limiting mechanisms capable of limiting the sliding column 10 are respectively arranged on the left side and the right side of the upper end of the fixed body 1, each limiting mechanism comprises a limiting groove 14, a limiting pressure spring 15 and a limiting block 16, each fixed body 1 is provided with a limiting groove 14 communicated with the sliding groove 9, each limiting groove 14 is fixedly connected with a limiting pressure spring 15, one end, close to the sliding column 10, of each limiting pressure spring 15 is fixedly connected with a limiting block 16, each limiting block 16 can slide in each limiting groove 14 and can be inserted into the corresponding sliding groove 9, the sliding column 10 is limited by each limiting block 16, then an infusion connector is stably inserted into the indwelling tube 4, when the infusion connector needs to be detached and replaced, only the two limiting blocks 16 need to be pushed away relatively, operation is simple, and detachment and replacement efficiency is high.
As shown in fig. 1-7, in a specific embodiment, the lower end of the fixing body 1 is fixedly connected with a ventilation application 19, the left and right sides of the ventilation application 19 are respectively and fixedly connected with a tape 20, so that the device is convenient to fix, and the upper end of the sliding column 10 is rotationally connected with a rotating handle 21, so that the use of medical staff is convenient.
The working principle of the device is as follows: when the infusion tube 6 is used, if the infusion tube 6 is to be connected with the indwelling tube 4, the infusion tube 6 is placed into the guide cavity 5, the limiting clamping block 13 is embedded into the clamping groove 12, at the moment, medical staff pinch the two rotating handles 21, the rotating handles 21 drive the sliding column 10 to move, the sliding column 10 drives the rotating wheel 11 to move, the rotating wheel 11 drives the sliding block 7 to move, the sliding block 7 drives the limiting clamping block 13 to move, and the limiting clamping block 13 drives the infusion tube 6 to be spliced in the indwelling tube 4 to complete connection.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. The utility model provides a three-cavity central venous catheter, includes solid (1), its characterized in that, slot (2) have been seted up to solid (1) upper end, be provided with central venous catheter (3) in solid (1), the upper end of solid (3) is provided with three along keeping somewhere pipe (4) of left and right sides direction equipartition in proper order, be provided with in solid (1) rather than guide cavity (5) of one-to-one, the rear side of guide cavity (5) is provided with infusion pipe (6) with keeping somewhere pipe (4) one-to-one, but the left and right sides in solid (1) is provided with wedge and fore-and-aft gliding sliding block (7) respectively, the front side of sliding block (7) is provided with pressure spring (8) that resets, the other end and solid (1) fixed connection of pressure spring (8) reset, slide groove (9) of putting are seted up respectively to the left and right sides on solid (1), the front side of slide groove (9) is close to the direction slope of keeping somewhere pipe (4) respectively, but slide block (1) in the solid (1) is provided with wedge-shaped and sliding block (7) on sliding column (11) respectively, sliding surface (11) are seted up on sliding column (11), limiting clamping blocks (13) which can be inserted into the clamping grooves (12) are embedded and connected on the sliding blocks (7), and limiting mechanisms capable of limiting the sliding columns (10) are respectively arranged on the left side and the right side of the upper end of the fixed body (1).
2. The three-cavity central venous catheter according to claim 1, wherein the limiting mechanism comprises a limiting groove (14), a limiting pressure spring (15) and a limiting block (16), the fixing body (1) is provided with the limiting groove (14) communicated with the sliding groove (9), the limiting groove (14) is internally provided with the limiting pressure spring (15), one end, close to the sliding column (10), of the limiting pressure spring (15) is provided with the limiting block (16), and the limiting block (16) can slide in the limiting groove (14) and can be inserted into the sliding groove (9).
3. A three-lumen central venous catheter according to claim 1 characterized in that the front end of the limiting clamp block (13) is provided with a notch (17), the front end of each infusion tube (6) is provided with a bulge located in the notch (17), and the lower end of the limiting clamp block (13) is provided with a fixing block (18) capable of being contacted with the bulge.
4. The three-cavity central venous catheter according to claim 1, wherein the lower end of the fixing body (1) is provided with a ventilation application (19), and the left side and the right side of the ventilation application (19) are respectively provided with a tape (20).
5. A three-lumen central venous catheter according to claim 1 characterized in that the upper end of the sliding column (10) is provided with a stem (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321427677.4U CN220125237U (en) | 2023-06-07 | 2023-06-07 | Three-cavity central venous catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321427677.4U CN220125237U (en) | 2023-06-07 | 2023-06-07 | Three-cavity central venous catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220125237U true CN220125237U (en) | 2023-12-05 |
Family
ID=88949297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321427677.4U Active CN220125237U (en) | 2023-06-07 | 2023-06-07 | Three-cavity central venous catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220125237U (en) |
-
2023
- 2023-06-07 CN CN202321427677.4U patent/CN220125237U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |