CN217111867U - Catheter bending resistance detects instrument - Google Patents
Catheter bending resistance detects instrument Download PDFInfo
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- CN217111867U CN217111867U CN202122377628.1U CN202122377628U CN217111867U CN 217111867 U CN217111867 U CN 217111867U CN 202122377628 U CN202122377628 U CN 202122377628U CN 217111867 U CN217111867 U CN 217111867U
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Abstract
The utility model discloses a catheter bending resistance detection tool, which comprises a bottom plate, a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are arranged on the bottom plate; the first fixing part and the second fixing part are both provided with through holes for the catheter to pass through; the slide rail comprises a first section, a second section and a third section which are bent in sequence, and the first section is superposed with the extension line of the through hole of the first fixing part; the third section is positioned on one side of the first fixing piece, so that the second fixing piece can be adjacent to the first fixing piece in a parallel mode when the second fixing piece is positioned at the end point of the third section; the second section is a transition section of the first section and the third section. The utility model discloses the ring girth that bends need not reachd through calculating, can be directly perceivedly according to the interval of mounting one and mounting two and confirm, do not have the error that the deformation caused for irregular ring after the catheter fills water to two are located the first section of slide rail during the measurement, further promote measurement accuracy, make testing result more accurate.
Description
Technical Field
The utility model relates to a medical auxiliary articles for use technical field, concretely relates to catheter bending resistance detects instrument.
Background
According to the regulation of medical instrument industry standard, carry out catheter bending resistance and detect the ring that needs use the instrument to bend into the girth at the middle part of catheter for 15d (d is catheter nominal external diameter), instrument that many detection mechanism used in this detection link is still crude at present, only two vertical fixed round holes that set up side by side, other positions are unsettled behind the catheter formation ring, can produce deformation under the influence of gravity after the catheter fills water, and also do not have the scale of the crooked ring size of sign catheter, influence the degree of accuracy that detects, the error is great.
The application numbers are: 201821150471.0 discloses a bending resistance test tool for a catheter with a scale in the vertical direction, which can visually observe the diameter of a ring bent by the catheter, further calculate the circumference of the ring, and is troublesome to convert, and the position of the catheter on a clamp needs to be continuously adjusted according to the scale during operation, so that the operation is complicated; in addition, in practical use, the catheter after being filled with water cannot be in a standard round shape under the action of gravity, and the catheter has good elasticity and is easy to become an ellipse, so that a test result has large errors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a catheter flexibility resistance detects instrument 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 tool for detecting the bending resistance of a catheter comprises a bottom plate, a first fixing piece and a second fixing piece, wherein the first fixing piece and the second fixing piece are arranged on the bottom plate; the first fixing part and the second fixing part are both provided with through holes for the catheter to pass through;
the slide rail comprises a first section, a second section and a third section which are bent in sequence, and the first section is superposed with the extension line of the through hole of the first fixing piece, so that the through hole of the second fixing piece corresponds to the through hole of the first fixing piece when the second fixing piece is positioned at the first section; the third section is positioned on one side of the first fixing piece, so that the second fixing piece can be adjacent to the first fixing piece in a parallel mode when the second fixing piece is positioned at the end point of the third section; the second section is a transition section of the first section and the third section.
Preferably, a first fastening bolt is arranged on the first fixing piece.
Preferably, a movable sleeve penetrates through the through hole of the second fixing part, and the movable sleeve can freely rotate in the through hole of the second fixing part; one end of the movable sleeve is provided with a limiting snap ring, and the other end of the movable sleeve is provided with a second fastening bolt.
Preferably, the bottom plate is provided with a graduated scale along the first section of the slide rail.
Preferably, the cross section of the sliding rail is in an inverted T shape, and a sliding block matched with the sliding rail is arranged at the bottom of the second fixing part.
Compared with the prior art, the utility model, its beneficial effect lies in:
1. the utility model discloses the ring girth that bends need not reachd through calculating, can be directly perceivedly according to the interval of mounting one and mounting two and confirm, do not have the error that the deformation caused for irregular ring after the catheter fills water to two are located the first section of slide rail during the measurement, further promote measurement accuracy, make testing result more accurate.
2. The utility model discloses a slidable mounting two can be crooked into the required ring of detection very naturally with the catheter of flare-outing to the movable sleeve that sets up in the through-hole of mounting two can make the catheter rotate in mounting through-hole inside, has avoided the condition of catheter distortion.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the working state of the present invention.
In the figure: 1. a base plate; 2. the first fixing piece 201, the through hole 202 and the first fastening bolt; 3. a second fixing part; 301. a slider; 4. a slide rail 401, a first section, 402, a second section, 403, a third section; 5. a movable sleeve 501, a limiting snap ring 502 and a fastening bolt II; 6. a graduated scale; 7. a urinary catheter.
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 tool for detecting the bending resistance of a catheter is shown in figures 1-2 and comprises a bottom plate 1, a first fixing part 2 and a second fixing part 3, wherein the first fixing part 2 and the second fixing part 3 are arranged on the bottom plate 1, and through holes for the catheter to penetrate through are formed in the first fixing part 2 and the second fixing part 3. The fixing piece I2 is fixedly arranged on the bottom plate 1, and a fastening bolt I201 is arranged on the fixing piece I2 and used for fixing the catheter penetrating through the fixing piece I; the second fixing part 3 is arranged on the bottom plate 1 in a sliding mode through a sliding rail 4, and the second fixing part 3 can be far away from or close to the first fixing part 2 through sliding on the sliding rail 4.
In order to improve the measurement accuracy, the sliding rail 4 is bent, specifically, the sliding rail 4 includes a first section 401, a second section 402, and a third section 403, wherein the first section 401 coincides with an extension line of a through hole of the first fixing member 2, so that when the second fixing member 3 is located at the first section, the through hole of the second fixing member 3 of 401 corresponds to the through hole of the first fixing member 2, the catheter 7 passing through the through holes of the first and second sections is linear, and the graduated scale 6 is arranged on the bottom plate 1 along the first section, which facilitates the visual measurement and improves the measurement accuracy to the maximum extent; the third section 403 is positioned on one side of the first fixing piece 2, so that the second fixing piece 3 can be adjacent to the first fixing piece 2 in parallel when positioned at the end point of the third section, and the length of the third section 403 is not more than 3 cm; the second section 402 is a transition section between the first section 401 and the third section 403, and is a right-angle transition in this embodiment, and may also be a circular-arc chamfer transition in other embodiments of the present invention.
In this embodiment, the cross-sectional shape of the slide rail 4 is an inverted T shape, and the bottom of the second fixing member 3 is provided with a slide block 301 matched with the slide rail 4, specifically, the cross-sectional shape of the slide block 301 is an inverted T shape matched with the slide rail 4, and the shape of the real object viewed from above is a square or a circle.
In order to avoid the deflection deformation of the catheter 7 around the circumference of the fixing part II 3 in the sliding process of the fixing part II 3, a movable sleeve 5 penetrates through the through hole of the fixing part II 3, and the catheter 7 penetrates through and is fixed in the movable sleeve 5; both ends of the movable sleeve 5 extend out of the through holes, one end of the movable sleeve is provided with a limiting snap ring 501, the outer diameter of the limiting snap ring 501 is larger than the inner diameter of the through hole of the second fixing piece 3, and the movable sleeve 5 is prevented from sliding out of the through hole; the other end is provided with a fastening bolt II 502 for fixing the catheter 7 which is arranged in a penetrating way.
In the specific implementation of the embodiment, firstly, the circumference of the required curved circular ring is determined according to the diameter of the urinary catheter 7 to be detected, the fixing member two 3 is moved to the corresponding position of the first section 401 of the sliding rail according to the reading of the graduated scale 6, and the distance between the fixing member one 2 and the fixing member two 3 is equal to the circumference; fixing the proper position of the catheter 7 to be detected in the through hole of the first fixing part 2, straightening the catheter 7, fixing the straightened catheter in the movable sleeve 5 of the second fixing part 3, and confirming that the reading is accurate; then the second fixing part 3 slides to the adjacent position of the first fixing part 2 along the first section, the second section and the third section in sequence, in the transition process of the second section 402, the catheter 7 to be detected is automatically bent into a required circular ring, and the movable sleeve 5 can rotate in the through hole in the bending process, so that the distortion caused in the bending process is automatically repaired.
The embodiment has simple structure and exquisite design, the circumference of the bent ring is determined more visually and accurately without conversion, the error caused by deformation when the circumference is measured after bending is avoided, the operation is simpler and more convenient, and in addition, the catheter is kept on a straight line during measurement through the bent slide rail, so the detection is more accurate; the catheter that is fit for multiple specification detects, need not to change and detects the instrument, has improved work efficiency.
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 (5)
1. A tool for detecting the bending resistance of a catheter is characterized by comprising a bottom plate, a first fixing piece and a second fixing piece, wherein the first fixing piece and the second fixing piece are arranged on the bottom plate; the first fixing part and the second fixing part are both provided with through holes for the catheter to pass through;
the slide rail comprises a first section, a second section and a third section which are bent in sequence, and the first section is superposed with the extension line of the through hole of the first fixing piece, so that the through hole of the second fixing piece corresponds to the through hole of the first fixing piece when the second fixing piece is positioned at the first section; the third section is positioned on one side of the first fixing piece, so that the second fixing piece can be adjacent to the first fixing piece in a parallel mode when the second fixing piece is positioned at the end point of the third section; the second section is a transition section of the first section and the third section.
2. The tool for detecting the bending resistance of the urinary catheter according to claim 1, wherein the first fixing member is provided with a first fastening bolt.
3. The tool for detecting the bending resistance of the urinary catheter according to claim 1, wherein a movable sleeve penetrates through the through hole of the second fixing member, and the movable sleeve can freely rotate in the through hole of the second fixing member; one end of the movable sleeve is provided with a limiting snap ring, and the other end of the movable sleeve is provided with a second fastening bolt.
4. The tool for detecting the bending resistance of the urinary catheter according to claim 1, wherein the bottom plate is provided with a graduated scale along the first section of the sliding rail.
5. The tool for detecting the bending resistance of the urinary catheter according to claim 1, wherein the cross section of the sliding rail is in an inverted T shape, and a sliding block matched with the sliding rail is arranged at the bottom of the second fixing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122377628.1U CN217111867U (en) | 2021-09-29 | 2021-09-29 | Catheter bending resistance detects instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122377628.1U CN217111867U (en) | 2021-09-29 | 2021-09-29 | Catheter bending resistance detects instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217111867U true CN217111867U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122377628.1U Active CN217111867U (en) | 2021-09-29 | 2021-09-29 | Catheter bending resistance detects instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217111867U (en) |
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2021
- 2021-09-29 CN CN202122377628.1U patent/CN217111867U/en active Active
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