CN209784353U - Medical catheter lubricity testing arrangement - Google Patents
Medical catheter lubricity testing arrangement Download PDFInfo
- Publication number
- CN209784353U CN209784353U CN201920273376.8U CN201920273376U CN209784353U CN 209784353 U CN209784353 U CN 209784353U CN 201920273376 U CN201920273376 U CN 201920273376U CN 209784353 U CN209784353 U CN 209784353U
- Authority
- CN
- China
- Prior art keywords
- medical catheter
- sliding table
- motor
- moving mechanism
- tension
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model discloses a medical catheter lubricity testing arrangement, the tensiometer that draws pressure gauge and vertical setting including the level setting, draw the pressure gauge to install on a lateral shifting mechanism, just the end of drawing the pressure gauge is provided with the centre gripping subassembly that is used for centre gripping medical catheter, the tensiometer is installed on a longitudinal movement mechanism, just the end of tensiometer is provided with the anchor clamps that are used for centre gripping medical catheter, lateral shifting mechanism with longitudinal movement mechanism electric connection is in switch module respectively. The utility model discloses a draw the tight grip of different physiology structures of manometer simulation, through the hardness of the different physiology structures of centre gripping subassembly simulation to through the state of tensiometer pulling medical catheter simulation medical catheter when in-service use, can test the lubricity of medical catheter, just the utility model has the advantages of simple structure, be favorable to reducing the test cost.
Description
Technical Field
the utility model relates to a medical treatment consumptive material test field, concretely relates to medical catheter lubricity testing arrangement.
Background
With the development of medical technology, medical catheters are used more widely. In order to prevent the medical catheter from damaging the human body cavity when the medical catheter is inserted into the human body cavity, a lubricating coating needs to be coated on the surface of the medical catheter, and a lubricating test needs to be carried out on the lubricating coating.
Disclosure of Invention
Not enough to prior art, the utility model provides a medical catheter lubricity testing arrangement for solve the problem of medical catheter lubricity test.
The content of the utility model is as follows:
The utility model provides a medical catheter lubricity testing arrangement, the tensiometer that draws pressure gauge and vertical setting including the level setting, draw the pressure gauge to install on a lateral shifting mechanism, just the end that draws the pressure gauge is provided with the centre gripping subassembly that is used for centre gripping medical catheter, the tensiometer is installed on a longitudinal movement mechanism, just the end of tensiometer is provided with the anchor clamps that are used for centre gripping medical catheter, lateral shifting mechanism with longitudinal movement mechanism electric connection respectively in switch module.
Preferably, the lateral shifting mechanism includes first motor, first lead screw, first slide rail and with first slide rail assorted first slip table, first motor is connected with first slip table through first lead screw to the motion of the first slip table of drive is provided with the second slip table on the first slip table, and the one end of second slip table is provided with the regulation swing arm, and the other end of second slip table is provided with the stand, draw the pressure gauge to install on the second slip table, the centre gripping subassembly cooperates with the stand for centre gripping medical catheter.
Preferably, the clamping assembly comprises a plurality of detachable clamping pieces with different hardness.
Preferably, a fine tuning rotary rod is arranged on the pull pressure gauge.
Preferably, the first motor is a stepping motor.
Preferably, the longitudinal moving mechanism comprises a second motor, a second screw rod, a second slide rail and a third slide table matched with the second slide rail, and the second motor is connected with the third slide table through the second screw rod and drives the third slide table to move.
Preferably, the second motor is a servo motor.
Preferably, an alarm module is arranged in the tension meter.
The utility model has the advantages that: the utility model discloses a draw the tight grip of different physiology structures of manometer simulation, through the hardness of the different physiology structures of centre gripping subassembly simulation to through the state of tensiometer pulling medical catheter simulation medical catheter when in-service use, can test the lubricity of medical catheter, just the utility model has the advantages of simple structure, be favorable to reducing the test cost.
Drawings
FIG. 1 is a general block diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
Fig. 3 is a partial enlarged view of B in fig. 1.
Detailed Description
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Referring to fig. 1-2, the medical catheter lubricity testing device disclosed in this embodiment includes a horizontally disposed tension pressure gauge 1 and a vertically disposed tension gauge 2, the tension pressure gauge 1 is installed on a lateral movement mechanism, a clamping assembly 11 for clamping a medical catheter is disposed at a tail end of the tension pressure gauge 1, and the clamping assembly 11 includes a plurality of detachable clamping pieces with different hardness, and can be used for simulating hardness of different physiological mechanisms. The tension meter 2 is arranged on a longitudinal moving mechanism, the tail end of the tension meter 2 is provided with a clamp 21 used for clamping a medical catheter, the transverse moving mechanism and the longitudinal moving mechanism are both arranged on a support 3, and the transverse moving mechanism and the longitudinal moving mechanism are respectively and electrically connected to the power switch module 4.
Referring to fig. 1 and fig. 3, the transverse moving mechanism includes a first motor 51, a first screw 52, a first slide rail 53, and a first sliding table 54 matched with the first slide rail 53, wherein the first motor 51 is electrically connected to the power switch module 4. First motor 51 is connected with first slip table 54 through first lead screw 52, and first motor 51 adopts step motor for drive first slip table 54 makes straight reciprocating motion, avoids at every turn testing all to need the repeated pressure value of adjusting and drawing pressure gauge 1. The first sliding table 54 is provided with a second sliding table 55, one end of the second sliding table 55 is provided with an adjusting screw rod 56, and the adjusting screw rod 56 is used for roughly adjusting the pressure applied to the medical catheter. The other end of second slip table 55 is provided with stand 7, draws pressure gauge 1 to install on second slip table 55, and centre gripping subassembly 11 and stand 7 cooperation for the centre gripping medical catheter draws and is provided with fine setting swing arm 12 on the pressure gauge 1, can finely tune the pressure of exerting on medical catheter.
Referring to fig. 1, the longitudinal moving mechanism includes a second motor 61, a second screw 62, a second slide rail 63, and a third slide table 64 matched with the second slide rail 63, wherein the second motor 61 is connected to the third slide table 64 through the second screw 62 and drives the third slide table 64 to move. The second motor 61 adopts a servo motor with good stability, which is beneficial to better simulating the actual use state of the medical catheter. The second motor 61 is electrically connected with the power switch module 4, and an alarm module is arranged in the tension meter 2.
the working principle of the embodiment is as follows:
During testing, one end of a medical catheter is clamped on a clamp 21 of a tension meter 2, the tension meter 1 adjusts the pressure applied on the medical catheter through an adjusting rotary rod 56 and a fine adjusting rotary rod 12 to simulate the gripping force of different physiological structures, the tension meter 2 upwards pulls the medical catheter under the driving of a longitudinal moving mechanism until the medical catheter is separated from a clamping component 11, data on the tension meter 2 are recorded, then a first motor 51 drives the tension meter 1 to move backwards, the longitudinal moving mechanism resets, the first motor 51 drives the tension meter 1 to return to the original position, the test is repeated to simulate the repeated insertion and extraction of the medical catheter in a human body cavity until a coating on the surface of the medical catheter disappears (the data of the tension meter is obviously increased), the number of repeated tests is recorded at the moment, and finally the tension data of each time and the number of repeated tests are compared with preset experimental data, and judging whether the lubricity of the medical catheter is qualified or not. Wherein, the holding piece at the tail end of the tension pressure gauge 1 can be selected according to the hardness of a simulated physiological structure, and the gripping force is selected according to the existing experimental data.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention. The technical solution and/or the embodiments of the invention may be subject to various modifications and variations within the scope of the invention.
Claims (8)
1. A medical catheter lubricity test device characterized by: the tension meter comprises a tension pressure meter (1) and a tension meter (2) which are horizontally arranged, wherein the tension pressure meter (1) is installed on a transverse moving mechanism, the tail end of the tension pressure meter (1) is provided with a clamping assembly (11) used for clamping a medical catheter, the tension meter (2) is installed on a longitudinal moving mechanism, the tail end of the tension meter (2) is provided with a clamp (21) used for clamping the medical catheter, and the transverse moving mechanism is electrically connected with the longitudinal moving mechanism respectively to a power switch module (4).
2. the medical catheter lubricity testing device according to claim 1, wherein: the transverse moving mechanism comprises a first motor (51), a first screw rod (52), a first sliding rail (53) and a first sliding table (54) matched with the first sliding rail (53), the first motor (51) is connected with the first sliding table (54) through the first screw rod (52) and drives the first sliding table (54) to move, a second sliding table (55) is arranged on the first sliding table (54), an adjusting rotary rod (56) is arranged at one end of the second sliding table (55), an upright post (7) is arranged at the other end of the second sliding table (55), a pressure gauge (1) is installed on the second sliding table (55), a clamping component (11) is matched with the upright post (7) and used for clamping a medical catheter.
3. The medical catheter lubricity test device according to claim 2, wherein: the clamping assembly (11) comprises a plurality of detachable clamping sheets with different hardness.
4. the medical catheter lubricity test device according to claim 2, wherein: a fine adjustment rotary rod (12) is arranged on the pull pressure gauge (1).
5. The medical catheter lubricity test device according to claim 2, wherein: the first motor (51) adopts a stepping motor.
6. The medical catheter lubricity testing device according to claim 1, wherein: the longitudinal moving mechanism comprises a second motor (61), a second screw rod (62), a second slide rail (63) and a third sliding table (64) matched with the second slide rail (63), and the second motor (61) is connected with the third sliding table (64) through the second screw rod (62) and drives the third sliding table (64) to move.
7. The medical catheter lubricity testing device according to claim 6, wherein: the second motor (61) adopts a servo motor.
8. The medical catheter lubricity testing device according to claim 7, wherein: an alarm module is arranged in the tension meter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273376.8U CN209784353U (en) | 2019-03-05 | 2019-03-05 | Medical catheter lubricity testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273376.8U CN209784353U (en) | 2019-03-05 | 2019-03-05 | Medical catheter lubricity testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209784353U true CN209784353U (en) | 2019-12-13 |
Family
ID=68796555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920273376.8U Active CN209784353U (en) | 2019-03-05 | 2019-03-05 | Medical catheter lubricity testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209784353U (en) |
-
2019
- 2019-03-05 CN CN201920273376.8U patent/CN209784353U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207976278U (en) | A kind of automotive suspension spring fatigue pressure testing machine | |
| CN209784353U (en) | Medical catheter lubricity testing arrangement | |
| CN216328770U (en) | High-precision positioning and punching device for flexible circuit board | |
| CN208656141U (en) | The pressing mold of conducting wire and terminal | |
| CN214669507U (en) | Automatic wire pulling device for piece to be tested and power supply testing equipment | |
| CN106341769B (en) | Muffler earphone tensile test appearance | |
| CN219122255U (en) | Voltage testing arrangement convenient to centre gripping circuit | |
| CN107271781A (en) | A kind of fingerprint module automatic impedance-testing device | |
| CN208207129U (en) | A kind of pressure resistant test tool of for transformer | |
| CN217444811U (en) | Terminal installation mechanism in wire harness processing | |
| CN206822305U (en) | A kind of hairbrush pipe pressing device | |
| CN205317388U (en) | Be used for cable form material frictional force measuring device | |
| CN212989028U (en) | Paint film drawing testing device | |
| CN215552118U (en) | Reconciliation device for international trade | |
| CN207908258U (en) | The fatigue life test equipment of Nitinol product | |
| CN208263297U (en) | A kind of sub- transport mechanism of plug injection moulding generator terminal | |
| CN220751833U (en) | Wire harness terminal tension testing device | |
| CN219319939U (en) | Elastic stretching device | |
| CN206696087U (en) | A kind of tension and compression force tester | |
| CN214107909U (en) | Pressure testing device of precision connector | |
| CN216847868U (en) | Novel test wire clamp | |
| CN2633218Y (en) | Medical skin external stretcher | |
| CN211576787U (en) | Electric power fitting tool tension test device | |
| CN220242866U (en) | Mathematical drawing device | |
| CN220690674U (en) | Copper line elongation testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |