CN215386871U - Central venous catheter fixing device - Google Patents
Central venous catheter fixing device Download PDFInfo
- Publication number
- CN215386871U CN215386871U CN202121388107.XU CN202121388107U CN215386871U CN 215386871 U CN215386871 U CN 215386871U CN 202121388107 U CN202121388107 U CN 202121388107U CN 215386871 U CN215386871 U CN 215386871U
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- China
- Prior art keywords
- puncture
- box
- central venous
- venous catheter
- sliding block
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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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- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 102400001284 Vessel dilator Human genes 0.000 description 1
- 108010090012 atrial natriuretic factor prohormone (31-67) Proteins 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a central venous catheter fixing device which comprises a puncture box and an auxiliary box, wherein the puncture box and the auxiliary box are arranged at intervals, the interval is marked as a puncture space, a fixing pipe for placing a central venous catheter is fixedly connected between the puncture box and the auxiliary box, and one end of the fixing pipe is provided with a locking mechanism; a sliding groove is formed in the side wall of the puncture box, a sliding block is arranged inside the puncture box and is connected in the sliding groove in a sliding mode, a puncture needle is arranged on one side, close to the auxiliary box, of the sliding block, puncture holes are formed in the side walls of the puncture box and the auxiliary box, and a compression spring is arranged between one side, far away from the auxiliary box, of the sliding block and the inner wall of the puncture box; the top of the puncture box is provided with a limit groove, and the top of the sliding block is provided with a button; the top of the puncture box is also provided with a guide groove, and the top of the sliding block is provided with a handle; the utility model is used for solving the problems that in the prior art, the fixing device of the central venous catheter has a plurality of scattered accessories, the fixing operation is complicated, and the fixing effect is unstable.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a central venous catheter fixing device.
Background
The central venous Catheter (CVP) kit consists of a central venous catheter, a guide needle, a guide wire, a vessel dilator, a butterfly clamp, a suture needle, a thread and the like, and is usually used for measuring central venous pressure, transfusion, blood sampling and inspection, high nutrient content administration treatment and the like. In the existing central venous catheter kit, the number of accessories for fixing the central venous catheter is large and scattered, a thread needs to be threaded into a needle and then is sewn and fixed with skin along a hole of a butterfly-shaped clamp during clinical fixing, and the operation process is very complicated. When the butterfly-shaped clamp is used for fixing, the phenomena of pipe falling or displacement and the like are easy to occur, and the fixing effect is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a central venous catheter fixing device, which is used for solving the problems that in the prior art, the central venous catheter fixing device has a plurality of scattered fittings, the fixing operation is complicated, and the fixing effect is unstable.
In order to achieve the purpose, the utility model adopts the following technical scheme: the central venous catheter fixing device comprises a puncture box and an auxiliary box, wherein the puncture box and the auxiliary box are arranged at intervals, the interval is marked as a puncture space, a fixing pipe for placing a central venous catheter is fixedly connected between the puncture box and the auxiliary box, and one end of the fixing pipe is provided with a locking mechanism; a sliding groove is formed in the side wall of the puncture box, a sliding block is arranged inside the puncture box and is connected in the sliding groove in a sliding mode, a puncture needle is arranged on one side, close to the auxiliary box, of the sliding block, puncture holes for the puncture needle to pass through are formed in the side walls, close to a puncture space, of the puncture box and the auxiliary box, and a compression spring is arranged between one side, far away from the auxiliary box, of the sliding block and the inner wall of the puncture box; the top of the puncture box is provided with a limit groove, and the top of the sliding block is provided with a button matched with the limit groove; the top of puncture box still is provided with the guide way, and the top of slider is provided with the handle of cooperating with the guide way, and the direction that sets up of guide way is the same with the direction that sets up of spout.
Optionally, the locking mechanism comprises a sleeve and a nut, and through holes for the central venous catheter to pass through are formed in the sleeve and the nut; the outer periphery of the sleeve is provided with external threads, the inner part of the nut is provided with internal threads, and the sleeve is in threaded connection with the nut; the sleeve pipe fixed connection is provided with the adjustment tank on the sheathed tube wall in the one end of fixed pipe.
Optionally, the handle is disposed in a middle portion of the slider.
Optionally, the puncture needle, the compression spring, the button and the limiting groove are all provided with two and are symmetrically arranged relative to the handle.
Optionally, a fixed armrest is provided on the top of the auxiliary box.
The central venous catheter fixing device has the following advantages:
(1) the fixing device is an integral body, so that the situation that the device is messy can not occur during transportation and use; and only the button needs to be pressed down during fixation to pierce the puncture needle into the skin, so that the fixation operation is simple, convenient and quick.
(2) During the use, central venous catheter wears to locate in the fixed tube and fixes through locking mechanism, and stability is high, is difficult for taking off the pipe.
(3) The sleeve is provided with an adjusting groove, and the sleeve and the screw cap are matched to fix the central venous catheters with different calibers.
(4) The symmetrical arrangement of the puncture needle, the compression spring, the button and the limiting groove can improve the stability of the puncture needle for puncturing the skin, and further enhance the fixing effect of the fixing device.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic diagram of the components of the present invention.
FIG. 4 is a schematic view of the structure of the components in the puncture case.
Detailed Description
The present invention will be further explained with reference to the drawings, in which the direction of the auxiliary cartridge 2 in fig. 1 is the left side and the direction of the puncture cartridge 1 is the right side.
As shown in fig. 1-4, the central venous catheter fixing device, hereinafter referred to as fixing device for short, includes a puncture box 1 and an auxiliary box 2, the top of the auxiliary box 2 is provided with a fixed armrest 17, which is convenient for medical staff to support and operate, the puncture box 1 and the auxiliary box 2 are arranged at intervals, the interval is marked as a puncture space 18, a fixed tube 3 for placing the central venous catheter is fixedly connected between the puncture box 1 and the auxiliary box 2, the rear end of the fixed tube 3 is provided with a locking mechanism 4, and the locking mechanism 4 is used for fixing the central venous catheter. Locking mechanism 4 includes sleeve pipe 5 and nut 6, and the inside of sleeve pipe 5 and nut 6 all is provided with the through-hole that supplies central venous catheter to pass, and sleeve pipe 5 periphery is provided with the external screw thread, and nut 6 is inside to be provided with the internal thread, and sleeve pipe 5 and nut 6 threaded connection, sleeve pipe 5 fixed connection are provided with adjustment tank 7 in the rear end of fixed pipe 3 on sleeve pipe 5's the pipe wall. When the nut 6 is matched with the sleeve 5, the distance between the adjusting grooves 7 is gradually reduced along with the gradual tightening of the nut 6, so that the diameter of the through hole of the sleeve 5 is gradually reduced until the through hole is tightly hooped on the periphery of the central venous catheter, the fixing effect is realized, the central venous catheters with different tube diameters can be fixed, and the application range of the fixing device is enlarged.
The front side wall and the rear side wall of the puncture box 1 are respectively provided with a sliding chute 8 arranged along the left-right direction, a sliding block 9 is arranged inside the puncture box 1, the sliding block 9 is connected in the sliding chute 8 in a sliding way, the left side of the sliding block 9 is fixedly connected with two puncture needles 10, and the side walls of the puncture box 1 and the auxiliary box 2 close to the puncture space 18 are provided with puncture holes 11 for the puncture needles 10 to pass through; two compression springs 12 are arranged between the right side of the sliding block 9 and the inner wall of the puncture box 1, and each compression spring 12 corresponds to one puncture needle 10. The top of the puncture box 1 is provided with two limit grooves 13, and the top of the sliding block 9 is provided with a button 14 matched with the limit grooves 13. When the fixing device is not used, the button 14 is positioned in the limiting groove 13, and the limiting groove 13 can limit the position of the sliding block 9 by limiting the position of the button 14, so that the compression spring 12 is in a compressed state; when in use, the button 14 is pressed, and the puncture needle 10 sequentially penetrates through the puncture hole 11 on the puncture box 1 and the puncture hole 11 on the auxiliary box 2 under the action of the compression spring 12. The top of the puncture box 1 is also provided with a guide groove 15 arranged along the left-right direction, the top of the sliding block 9 is provided with a handle 16 matched with the guide groove 15, the handle 16 is arranged in the middle of the sliding block 9, the handle 16 can slide in the guide groove 15, when the button 14 is pressed, the handle 16 slides leftwards along with the sliding block 9, if the puncture is not in place, the handle 16 is pulled rightwards to reset the button 14, and then the puncture operation is carried out again. The puncture needle 10, the compression spring 12, the button 14 and the limiting groove 13 are symmetrically arranged in the front and back direction of the handle 16, so that the front side and the back side of the sliding block 9 are uniformly stressed, the sliding block 9 is prevented from being inclined and twisted, the puncture needle 10 cannot be aligned with the puncture hole 11, and the fixing device fails.
When the puncture needle is used, a central venous catheter is arranged in the sleeve 5 in a penetrating mode for puncture, the nut 6 is screwed on the sleeve 5 after the puncture is completed, the central venous catheter is firmly fixed with the fixing device, then the skin below the puncture space 18 is pulled up, the skin is lifted upwards by a certain height which is higher than the height of the puncture hole 11, then the button 14 is pressed, the puncture needle 10 penetrates through the skin under the action of the compression spring 12, the needle point of the puncture needle 10 is located in the auxiliary box 2, and the fixing operation is completed.
The embodiments described above are only a part of the embodiments of the present invention, and not all of them. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
Claims (5)
1. Central venous catheter fixing device, its characterized in that: the puncture device comprises a puncture box and an auxiliary box, wherein the puncture box and the auxiliary box are arranged at intervals, the interval is marked as a puncture space, a fixed pipe for placing a central venous catheter is fixedly connected between the puncture box and the auxiliary box, and one end of the fixed pipe is provided with a locking mechanism; a sliding groove is formed in the side wall of the puncture box, a sliding block is arranged inside the puncture box and is connected in the sliding groove in a sliding mode, a puncture needle is arranged on one side, close to the auxiliary box, of the sliding block, puncture holes for the puncture needle to pass through are formed in the side walls, close to a puncture space, of the puncture box and the auxiliary box, and a compression spring is arranged between one side, far away from the auxiliary box, of the sliding block and the inner wall of the puncture box; the top of the puncture box is provided with a limit groove, and the top of the sliding block is provided with a button matched with the limit groove; the top of puncture box still is provided with the guide way, and the top of slider is provided with the handle of cooperating with the guide way, and the direction that sets up of guide way is the same with the direction that sets up of spout.
2. The central venous catheter securement device of claim 1, wherein: the locking mechanism comprises a sleeve and a nut, and through holes for the central venous catheter to pass through are formed in the sleeve and the nut; the outer periphery of the sleeve is provided with external threads, the inner part of the nut is provided with internal threads, and the sleeve is in threaded connection with the nut; the sleeve pipe fixed connection is provided with the adjustment tank on the sheathed tube wall in the one end of fixed pipe.
3. The central venous catheter securement device of claim 1, wherein: the handle is arranged in the middle of the sliding block.
4. The central venous catheter securement device of claim 3, wherein: puncture needle, compression spring, button and spacing groove all are provided with two and set up about the handle symmetry.
5. The central venous catheter securement device of claim 1, wherein: the top of the auxiliary box is provided with a fixed handrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121388107.XU CN215386871U (en) | 2021-06-22 | 2021-06-22 | Central venous catheter fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121388107.XU CN215386871U (en) | 2021-06-22 | 2021-06-22 | Central venous catheter fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215386871U true CN215386871U (en) | 2022-01-04 |
Family
ID=79640917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121388107.XU Expired - Fee Related CN215386871U (en) | 2021-06-22 | 2021-06-22 | Central venous catheter fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215386871U (en) |
-
2021
- 2021-06-22 CN CN202121388107.XU patent/CN215386871U/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: 20220104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |