CN210427245U - Catheter bending resistance detection device - Google Patents
Catheter bending resistance detection device Download PDFInfo
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- CN210427245U CN210427245U CN201920731077.4U CN201920731077U CN210427245U CN 210427245 U CN210427245 U CN 210427245U CN 201920731077 U CN201920731077 U CN 201920731077U CN 210427245 U CN210427245 U CN 210427245U
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- catheter
- bending resistance
- control valve
- placing groove
- cylinder
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Abstract
The utility model relates to the technical field of medical instrument detects, specifically disclose a catheter bending resistance detection device, including locating control valve, drum, mounting, the water receiving tank on the workstation in proper order, the drum surface is equipped with spiral shape standing groove, and the width of standing groove is 1: 15 with the ratio of locating position drum girth, places the catheter and can satisfy the detection regulation around drum formation ring in the standing groove, does not need any extra measurement to avoided the catheter to take place the situation that deformation influences the testing result, the utility model discloses simple structure, it is easy and simple to handle, also improved the detection precision when improving work efficiency.
Description
Technical Field
The utility model relates to a medical instrument detects technical field, concretely relates to catheter bending resistance detection device.
Background
According to the regulations of the industrial standard of medical instruments, the device such as a constant water level water tank, a bending resistance detection tool and a water receiving tank is needed for detecting the bending resistance of the catheter, the bending resistance detection tool is used for bending the middle part of the catheter into a circular ring with the circumference of 15d (d is the nominal outer diameter of the catheter) during detection, the constant water level water tank is connected with a liquid inlet cavity of the catheter, the water receiving tank is used for collecting water flowing through the catheter within 1 minute, and the water collected by the water receiving tank is guided into a measuring cylinder to be measured to obtain the detection result. At present, tools used by a plurality of detection mechanisms in the detection link are simple and crude, only two vertical fixing round holes arranged side by side exist, other positions of the catheter are suspended after the catheter forms a ring, the catheter can deform under the influence of gravity after being filled with water, and the scale does not mark the size of the ring bent by the catheter, so that the accuracy of detection is influenced, and the error is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a catheter bending resistance detection device aims at solving the problem among the prior art that above-mentioned background art provided.
The above technical problem of the present invention can be solved by the following technical solutions: a device for detecting the bending resistance of a catheter comprises a control valve, a fixing part and a water receiving tank which are sequentially arranged on a workbench, wherein the control valve is connected to a water outlet pipeline of a constant water level water tank; a cylinder in a flat-head conical shape is arranged between the control valve and the fixing piece, a spiral placing groove is arranged on the surface of the cylinder, and the section of the placing groove is semicircular and is used for arranging the catheter ring on the cylinder; the width of the placing groove changes along with different positions of the placing groove, and the ratio of the width of the placing groove to the circumference of the cylinder at the position of the placing groove is 1: 15.
In the structure, one end of the catheter is connected with the control valve, then the placing groove matched with the diameter of the catheter is selected, the catheter is placed in the placing groove and wound around the cylinder for a circle, then the other end of the catheter is fixed in the fixing piece, and the water outlet end of the catheter extends into the water receiving groove.
Furthermore, two ends of the cylinder are erected on the workbench between the control valve and the fixing piece through the fixing plate.
Furthermore, the control valve is an electronic control valve and is used for controlling the water outlet time of the constant water level water tank.
Further, the fixing piece is slidably arranged on the surface of the workbench through the sliding groove.
Furthermore, an electronic balance used for measuring the weight of water in the water receiving tank is arranged below the water receiving tank.
Furthermore, an electronic balance display screen is arranged on the side face of the workbench and electrically connected with the electronic balance.
Compared with the prior art, the utility model, its advantage lies in:
1. the utility model provides a pair of catheter bending resistance detection device establishes the catheter circle and encloses into a ring on the drum, has avoided the catheter to take place the possibility of deformation because gravity when leading to water, has ensured that the catheter has enclosed into a standard ring under the detection state.
2. The utility model discloses when using, with the standing groove contrast on catheter and the drum, can confirm very directly perceivedly with catheter diameter assorted standing groove, then wind drum a week with it, can the diameter enclose into a girth for 15 times the ring of catheter diameter, the diameter of catheter that does not need to be measured in advance, also need not measure the diameter of enclosing into the ring, simple and convenient swift improves work efficiency.
3. The utility model discloses be provided with spiral shape standing groove on the drum, can satisfy the detection of multiple specification catheter.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the cylinder of the present invention.
In the figure: 1. a work table; 2. a control valve; 3. a cylinder 301 and a placing groove; 4. a fixing member; 5. a water receiving tank; 6. a constant water level water tank; 7. a fixing plate; 8. a chute; 9. electronic balance display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.
Example (b): a device for detecting the bending resistance of a catheter is shown in figures 1-2 and comprises a control valve 2, a cylinder 3, a fixing part 4 and a water receiving groove 5 which are sequentially arranged on a workbench 1.
The control valve 2 is connected to a water outlet pipeline of the constant water level water tank 6, preferably an electronic control valve, so that the water outlet time of the constant water level water tank 6 can be accurately controlled, and detection errors caused by overtime detection or short-time detection are avoided.
Two ends of the cylinder 3 are erected on the workbench 1 between the control valve 2 and the fixing part 4 through a fixing plate 7, and the shape of the cylinder is a flat-head cone; the surface of the cylinder 3 is provided with a spiral-shaped placing groove 301, the cross section of the placing groove 301 is semicircular, and the catheter can be placed in the semicircular placing groove 301 and forms a circular ring around the cylinder 3; the width of the placing groove 301 is determined by the outer diameter of the cylinder 3 where it is located, and is set according to the requirements of the industry standard as follows: the width of the placing groove 301 and the circumference of the cylinder 3 at the position are 1: 15.
The holder 4 is used to hold the end of the catheter and is slidably arranged on the surface of the table 1 via a sliding groove 8 to adapt the position of the catheter on the aforementioned cylinder 3.
An electronic balance is arranged below the water receiving tank 5 and used for measuring the weight of water in the water receiving tank 5; and an electronic balance display screen 9 is arranged on the side surface of the workbench 1, is electrically connected with the electronic balance and is used for visually reading the weighing of the electronic balance.
In the specific implementation of the embodiment, the liquid inlet cavity of the catheter is connected with the control valve 2, then the placing groove 301 with the width equal to the diameter of the catheter is selected by comparison, the catheter is placed in the matched placing groove 301 for a circle around the cylinder 3, at the moment, the circular ring surrounded by the catheter just meets the detection regulation, and the deformation caused by gravity is avoided, so that the detection precision is improved; and fixing the other end of the catheter in the fixing part 4, enabling the tail end of the catheter to extend into the water receiving tank 5, opening the control valve 2 and controlling the water outlet time, and finally reading detection data through the electronic balance display screen 9 to finish detection.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. All changes and modifications that may be made by the technical spirit of the present invention to the above embodiments by simple modification are considered to fall within the scope of the present invention.
Claims (6)
1. The utility model provides a catheter bending resistance detection device, is including setting gradually control valve, mounting, the water receiving tank on the workstation, the control valve is connected on the outlet conduit of constant water level water tank, its characterized in that: a cylinder in a flat-head conical shape is arranged between the control valve and the fixing piece, a spiral placing groove is arranged on the surface of the cylinder, and the section of the placing groove is semicircular and is used for arranging the catheter ring on the cylinder; the width of the placing groove changes along with different positions of the placing groove, and the ratio of the width of the placing groove to the circumference of the cylinder at the position of the placing groove is 1: 15.
2. The device for detecting the bending resistance of the urinary catheter according to claim 1, wherein: two ends of the cylinder are erected on the workbench between the control valve and the fixing piece through the fixing plate.
3. The device for detecting the bending resistance of the urinary catheter according to claim 1, wherein: the control valve is an electronic control valve and is used for controlling the water outlet time of the constant water level water tank.
4. The device for detecting the bending resistance of the urinary catheter according to claim 1, wherein: the fixing piece is arranged on the surface of the workbench in a sliding mode through the sliding groove.
5. The device for detecting the bending resistance of the urinary catheter according to claim 1, wherein: and an electronic balance used for measuring the weight of water in the water receiving tank is arranged below the water receiving tank.
6. The device for detecting the bending resistance of the urinary catheter according to claim 5, wherein: the side surface of the workbench is provided with an electronic balance display screen, and the electronic balance display screen is electrically connected with the electronic balance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731077.4U CN210427245U (en) | 2019-05-21 | 2019-05-21 | Catheter bending resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731077.4U CN210427245U (en) | 2019-05-21 | 2019-05-21 | Catheter bending resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427245U true CN210427245U (en) | 2020-04-28 |
Family
ID=70372203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920731077.4U Active CN210427245U (en) | 2019-05-21 | 2019-05-21 | Catheter bending resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210427245U (en) |
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2019
- 2019-05-21 CN CN201920731077.4U patent/CN210427245U/en active Active
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