CN220367102U - Multifunctional experiment table - Google Patents
Multifunctional experiment table Download PDFInfo
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- CN220367102U CN220367102U CN202320829092.9U CN202320829092U CN220367102U CN 220367102 U CN220367102 U CN 220367102U CN 202320829092 U CN202320829092 U CN 202320829092U CN 220367102 U CN220367102 U CN 220367102U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000009661 fatigue test Methods 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 19
- 238000001356 surgical procedure Methods 0.000 description 6
- 238000002324 minimally invasive surgery Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a multifunctional experiment table, which relates to the field of medical instrument assembly and test equipment, and comprises the following components: a main table top; the device comprises a device assembly steel wire rope pretightening force loading system, a device fatigue experiment testing system and a flexible device joint riveting fixing device which are arranged on a main table top. The utility model solves the problem that the newly developed wire transmission minimally invasive surgical instrument does not have equipment for pre-tightening the instrument transmission steel wire during assembly, and designs the instrument assembly steel wire rope pre-tightening force loading system, the instrument fatigue experiment testing system and the flexible instrument joint riveting fixing device, so that the transmission steel wire pre-tightening force can be consistent and standardized during assembly of the newly developed wire transmission minimally invasive surgical instrument, and simultaneously the instrument assembly steel wire rope pre-tightening force loading system, the instrument fatigue experiment testing system and the flexible instrument joint riveting fixing device are integrated on one experiment table surface, so that the experiment table has compact structure and reduced cost.
Description
Technical Field
The utility model relates to the technical field of medical instrument assembly and test equipment, in particular to a multifunctional experiment table.
Background
Minimally invasive surgery refers to the surgical procedure in which a surgeon makes 2-4 small incisions of 5-10mm in the body surface of a patient, and the surgical instrument is inserted into the human body through the small incisions of the patient, and diagnosis or treatment is performed on the focus part by means of a visual monitoring device and a smart surgical instrument. Compared with the traditional open surgery, the surgical incision is small, the bleeding amount is small, the postoperative scar is small, the recovery time is quick, and the like, so that the pain suffered by a patient is greatly reduced. Minimally invasive surgery is currently used in a wide variety of surgical fields, such as neurosurgery, brain surgery, urology surgery, thoracoabdominal surgery, gynecology, and urology surgery. The surgical instrument is used as an execution tool in the minimally invasive surgery process, directly interacts with the operation tissue and is used for completing the surgical operations such as cutting, clamping, suturing, lifting, releasing and the like of the organ tissue.
The existing minimally invasive surgical instruments have fewer degrees of freedom at the tail end, and complex surgical operations are difficult to complete. Many researchers use the advantages of the robot wire transmission mechanism to develop the multi-degree-of-freedom minimally invasive surgical instrument. The instrument wire transmission system is mainly characterized in that a driving wire wheel is wound around a steel wire rope, guided by a guide wheel set and then connected to an end effector through long-distance transmission. However, as an elastic body, the wire rope inevitably has elastic deformation to affect the transmission accuracy, and in order to reduce the negative influence as much as possible, the pre-tightening force loading is required to be carried out on the transmission wire inside the wire transmission surgical instrument. Meanwhile, fatigue experiments are needed to be carried out on the assembled instrument so as to detect whether the fatigue resistance degree of the instrument meets the requirement on minimally invasive surgical instruments.
Therefore, it is necessary to develop a multifunctional laboratory bench which can be used for both the assembly of the silk-driven minimally invasive surgical instrument and the fatigue detection of the silk-driven minimally invasive surgical instrument.
Disclosure of Invention
The utility model aims to provide a multifunctional experiment table, which solves the problem that no device for applying pretightening force to a transmission steel wire of a newly developed wire transmission surgical instrument exists at present.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model relates to a multifunctional experiment table, which comprises:
a main table top;
the device comprises a device assembly steel wire rope pretightening force loading system, a device fatigue experiment testing system and a flexible device joint riveting fixing device which are arranged on a main table top.
Further, the table top also comprises a support leg arranged at the lower end of the main table top.
Further, the instrument assembly wire rope pretightening force loading system includes: the device comprises a first sliding table assembly, a first sensor assembly, a first real-time tension display, an instrument fixing rack assembly, an instrument tail end fixing rack assembly, a second sliding table assembly, a second sensor assembly and a second real-time tension display; the first sliding table component is arranged at the left rear end of the main table surface, the second sliding table component is arranged at the right rear end of the main table surface, the instrument fixing rack component is arranged at the center rear end of the main table surface, the first sensor component is arranged between the first sliding table component and the instrument fixing rack component, the second sensor component is arranged between the second sliding table component and the instrument fixing rack component, the instrument tail end fixing rack component is arranged at the front end of the center of the main table surface, the first real-time tension display and the second real-time tension display are both arranged at the front end of the main table surface and are respectively positioned at the left side and the right side of the instrument tail end fixing rack component; the first real-time tension display is connected with the first sensor assembly, and the second real-time tension display is connected with the second sensor assembly.
Further, the first slip table subassembly is the same with the structure and the size of second slip table subassembly, first slip table subassembly includes: the device comprises a three-coordinate sliding table fixed on a main table top, a steel wire fixing plate fixed on the three-coordinate sliding table and a hook arranged on the steel wire fixing plate.
Further, the first sensor assembly is identical to the second sensor assembly in both structure and size, and the first sensor assembly includes: the pulling device comprises a tension sensor and pulling hooks fixed on two sides of the tension sensor; the first real-time tension display is connected with the tension sensor in the first sensor assembly, and the second real-time tension display is connected with the tension sensor in the second sensor assembly.
Further, the instrument body stationary gantry assembly includes: the main body fixture comprises a main body fixing rack fixed on a main table top and a main body fixture body arranged on the main body fixing rack.
Further, the instrument end-fixing stand assembly includes: the terminal fixture comprises a terminal fixed rack fixed on the main table top and a terminal fixture body arranged on the terminal fixed rack.
Further, the instrument fatigue experiment test system comprises: the device comprises a device limiting assembly and a device front end supporting frame, wherein the device limiting assembly is arranged on the right side of a main table top and positioned at the front end of a second sliding table assembly, and the device front end supporting frame is arranged on the main table top and positioned between a device main body fixed table frame assembly and a device tail end fixed table frame assembly.
Further, the instrument restraint assembly includes: the device comprises a device limiting bench fixed on a main table top, a rotating motor arranged on the device limiting bench and a driving deflector rod connected with a rotating part of an inner ring of the rotating motor.
Further, the flexible instrument joint riveting fixing device comprises: the flexible instrument clamp body is arranged on the main table top, is positioned at the front end of the left side of the main table top, namely the left side of the first real-time tension display, and is arranged on the fixed table.
The beneficial effects of the utility model are as follows:
1. the multifunctional experiment table solves the problem that no device for applying pretightening force to the transmission steel wire of the newly developed wire transmission surgical instrument exists at present, and the tension sensor and the display suite are additionally arranged, so that the pretightening force of the transmission steel wire can be read in real time, and the assembly of the wire transmission surgical instrument can be consistent and standardized.
2. According to the multifunctional experiment table, the instrument fatigue experiment test system is arranged, the rotating motor and the driving deflector rod are used, the structure is simple, parts only need 3d printing, and the cost is saved.
3. According to the multifunctional experiment table, the instrument assembly steel wire rope pretightening force loading system, the instrument fatigue experiment testing system and the flexible instrument joint riveting fixing device are integrated on the experiment main table top, so that the space and cost are saved, and meanwhile, the multifunctional experiment table has the advantage of convenience in use.
Drawings
Fig. 1 is a general assembly view of a multifunctional laboratory bench according to the present utility model in use.
Fig. 2 is a schematic structural diagram of an instrument assembly wire rope pretension loading system.
FIG. 3 is a schematic diagram of the structural composition of an instrument fatigue test system.
Fig. 4 is a schematic structural view of a flexible instrument joint riveting fixing device.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and the specific embodiments:
the multifunctional experiment table is mainly used for assembly and test experiments of wire-driven surgical instruments and assists in developing multi-degree-of-freedom handheld minimally invasive surgical instruments. Referring to fig. 1, the multifunctional experiment table mainly comprises a main table top 1, supporting legs 2, an instrument assembly steel wire rope pretightening force loading system, an instrument fatigue experiment testing system and a flexible instrument joint riveting fixing device 12. After the systems are assembled, the systems are fixed at corresponding positions on the main table top 1 by means of screws. The support legs 2 are provided with threaded rods which are screwed into the supporting holes of the main table top 1, so that the multifunctional experiment table is built.
Referring to fig. 1, 2, 3 and 4, the main table top 1 is a metal plate with a plurality of threaded holes, and the strength of the metal plate is enough to bear the weight of other equipment. The installation positions of the instrument assembly steel wire rope pretightening force loading system, the instrument fatigue experiment testing system and the flexible instrument joint riveting fixing device 12 are reasonably arranged, so that the structure is compact as much as possible and the normal use of the instrument assembly steel wire rope pretightening force loading system, the instrument fatigue experiment testing system and the flexible instrument joint riveting fixing device is not influenced.
Referring to fig. 1 and 2, the instrument assembly steel wire rope pretightening force loading system mainly comprises a first sliding table assembly 3, a first sensor assembly 4, a first real-time tension display 5, an instrument fixing rack assembly 6, an instrument tail end fixing rack assembly 7, a second sliding table assembly 13, a second sensor assembly 14 and a second real-time tension display 15; the first slip table subassembly 3 is installed at the left rear end of main mesa 1, the second slip table subassembly 13 is installed at the right rear end of main mesa 1, instrument fixed rack subassembly 6 is installed at the central rear end of main mesa 1, first sensor subassembly 4 sets up between first slip table subassembly 3 and instrument fixed rack subassembly 6, second sensor subassembly 14 sets up between second slip table subassembly 13 and instrument fixed rack subassembly 6, instrument terminal fixed rack subassembly 7 is installed at main mesa 1 central front end, first real-time tension display 5 and second real-time tension display 15 are all installed at main mesa 1 front end and first real-time tension display 5 and second real-time tension display 15 are located the terminal fixed rack subassembly 7 left and right sides of instrument respectively. The first real-time tension display 5 is connected to the first sensor assembly 4, and the measured value of the first sensor assembly 4 is displayed by the first real-time tension display 5. A second live tension display 15 is connected to the second sensor assembly 14, and the measured values of the second sensor assembly 14 are displayed by the second live tension display 15.
The first sliding table assembly 3 and the second sliding table assembly 13 have the same structure and size, and the structure and composition of the first sliding table assembly 3 will be described below as an example. The first slide table assembly 3 mainly includes: a three-coordinate sliding table 3-1, a steel wire fixing plate 3-2 and a hook 3-3; the three-coordinate sliding table 3-1 is fixed on the main table top 1, a threaded hole is formed in the three-coordinate sliding table 3-1, the steel wire fixing plate 3-2 is fixedly connected with the three-coordinate sliding table 3-1 by means of a screw, the hook 3-3 is provided with threads, and the hook 3-3 is screwed into the central threaded hole of the steel wire fixing plate 3-2 to be fixed.
The first sensor assembly 4 is identical in structure and size to the second sensor assembly 14, and the structural composition of the first sensor assembly 4 will be described below as an example. The first sensor assembly 4 mainly includes: a tension sensor 4-1 and two draw hooks 4-2; the ends of the two draw hooks 4-2 are provided with threads, and the two draw hooks 4-2 are screwed into threaded holes at the two ends of the draw force sensor 4-1 respectively for fixation. The first real-time tension display 5 is connected to the tension sensor 4-1 in the first sensor assembly 4, and the measured value of the tension sensor 4-1 in the first sensor assembly 4 is displayed by the first real-time tension display 5. The second real-time tension display 15 is connected to the tension sensor in the second sensor assembly 14, and the measured value of the tension sensor in the second sensor assembly 14 is displayed by the second real-time tension display 15.
The instrument body stationary gantry assembly 6 basically includes: a main body fixing rack 6-1 and a main body clamp body 6-2; the main body fixing stand 6-1 is fixed on the main table top 1, and the main body clamp body 6-2 is mounted on the main body fixing stand 6-1.
The instrument end-fixing stand assembly 7 mainly includes: a terminal fixing rack 7-1 and a terminal clamp body 7-2; the end fixing stand 7-1 is fixed on the main table top 1, and the end clamp body 7-2 is mounted on the end fixing stand 7-1.
Referring to fig. 3, the device fatigue experiment testing system mainly comprises a device limiting assembly 8 and a device front end supporting frame 9; the instrument limiting assembly 8 is arranged on the right side of the main table top 1 and is positioned at the front end of the second sliding table assembly 13, and the instrument front end supporting frame 9 is arranged on the main table top 1 and is positioned between the instrument main body fixing table frame assembly 6 and the instrument tail end fixing table frame assembly 7.
The instrument restraint assembly 8 basically includes: the device comprises an instrument limiting bench 8-1, a rotary motor 8-2 and a driving deflector rod 8-3; the device limiting bench 8-1 is fixed on the main bench 1, the rotating motor 8-2 and the driving deflector rod 8-3 are arranged on the device limiting bench 8-1, motor fixing holes are formed in the device limiting bench 8-1, the rotating motor 8-2 is fixed on the device limiting bench 8-1 by means of threaded screws, and the inner ring rotating part of the rotating motor 8-2 is fixedly connected with the driving deflector rod 8-3 by means of the threaded screws.
Referring to fig. 4, the flexible instrument joint riveting fixing apparatus 12 mainly includes: a fixed table 12-1 and a flexible instrument clamp body 12-2. The fixed table 12-1 is arranged on the main table top 1 and is positioned at the front end of the left side of the main table top 1, namely the left side of the first real-time tension display 5, a threaded hole is arranged on the fixed table 12-1 and used for fixing the flexible instrument clamp body 12-2, and the flexible instrument clamp body 12-2 is fixed on the fixed table 12-1.
The use method of the multifunctional experiment table provided by the utility model can be divided into the following three types:
1. loading the pretightening force of the instrument steel wire rope;
when the instrument is assembled, the instrument I10 is placed on the instrument fixing rack assembly 6, and the instrument I10 is firmly fixed by screwing in the main body clamp body 6-2 to fasten a screw. One end of a pre-tightening steel wire in the first instrument 10 is fixed on an internal wire wheel of the first instrument 10, and the other end of the pre-tightening steel wire is fixed on a draw hook 4-2 on one side of a tension sensor 4-1 close to the first instrument 10. In addition, another pre-tightening steel wire in the first instrument 10 connects the draw hook 4-2 at the other side of the tension sensor 4-1 with the hook 3-3 on the steel wire fixing plate 3-2. The data line of the tension sensor 4-1 in the first sensor assembly 4 is connected with the first real-time tension display 5, the tension on the pre-tightening steel wire is displayed in real time through the first real-time tension display 5, the pulley on the three-coordinate sliding table 3-1 is rotated when the pre-tightening force is applied, after the tension sensor 4-1 and the pre-tightening steel wire are adjusted to be horizontal, the tension on the pre-tightening steel wire is increased gradually when the tension is moved in the direction away from the first instrument 10, and when the reading on the first real-time tension display 5 reaches the preset pre-tightening force, the wire wheel inside the first instrument 10 can be locked, the pre-tightening steel wire is detached, and the pre-tightening force loading of the steel wire rope of the instrument is completed.
2. Fatigue test;
during fatigue test, the front end of the second instrument 11 is inserted into the through hole of the front end supporting frame 9 of the second instrument, the rear end handle part of the second instrument 11 is plugged into the corresponding position of the instrument limiting stand 8-1, and the driving deflector rod 8-3 is inserted into the circular ring of the rear end handle part of the second instrument 11. The rotating motor 8-2 is powered, the rotating motor 8-2 makes reciprocating swinging motion within a certain angle range according to a preset program, so that the driving deflector rod 8-3 drives the handle at the rear end of the second instrument 11 to swing reciprocally, the opening and closing actions of the second hand-held instrument 11 are simulated, and the fatigue test of the second instrument 11 is completed.
3. Assembling a wire-driven surgical instrument;
when the wire transmission surgical instrument is assembled, two joints riveted with each other in the wire transmission surgical instrument are placed in a gap between the fixed table 12-1 and the flexible instrument clamp body 12-2, screws are screwed into the flexible instrument clamp body 12-2 to press down the screws, the internal springs of the flexible instrument clamp body 12-2 are compressed, the movable part of the flexible instrument clamp body 12-2 enables the gap to be reduced, the two joints riveted with each other in the wire transmission surgical instrument are clamped, and the situation that the joints rotate and cannot be assembled during riveting is prevented.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. A multifunctional laboratory bench, comprising:
a main table top;
the device comprises a device assembly steel wire rope pretightening force loading system, a device fatigue experiment testing system and a flexible device joint riveting fixing device which are arranged on a main table top;
the instrument assembly steel wire rope pretightening force loading system comprises: the device comprises a first sliding table assembly, a first sensor assembly, a first real-time tension display, an instrument fixing rack assembly, an instrument tail end fixing rack assembly, a second sliding table assembly, a second sensor assembly and a second real-time tension display; the first sliding table component is arranged at the left rear end of the main table surface, the second sliding table component is arranged at the right rear end of the main table surface, the instrument fixing rack component is arranged at the center rear end of the main table surface, the first sensor component is arranged between the first sliding table component and the instrument fixing rack component, the second sensor component is arranged between the second sliding table component and the instrument fixing rack component, the instrument tail end fixing rack component is arranged at the front end of the center of the main table surface, the first real-time tension display and the second real-time tension display are both arranged at the front end of the main table surface and are respectively positioned at the left side and the right side of the instrument tail end fixing rack component; the first real-time tension display is connected with the first sensor assembly, and the second real-time tension display is connected with the second sensor assembly;
the instrument body stationary gantry assembly includes: a main body fixing rack fixed on the main table top and a main body clamp body arranged on the main body fixing rack;
the flexible instrument joint riveting fixing device comprises: the flexible instrument clamp body is arranged on the main table top, is positioned at the front end of the left side of the main table top, namely the left side of the first real-time tension display, and is arranged on the fixed table.
2. A multi-purpose laboratory bench according to claim 1 and also comprising feet mounted on the lower end of the main table top.
3. The multi-purpose bench of claim 1, wherein the first and second slipway assemblies are identical in structure and size, the first slipway assembly comprising: the device comprises a three-coordinate sliding table fixed on a main table top, a steel wire fixing plate fixed on the three-coordinate sliding table and a hook arranged on the steel wire fixing plate.
4. The multi-purpose laboratory bench of claim 1, wherein said first sensor assembly is identical in structure and size to said second sensor assembly, said first sensor assembly comprising: the pulling device comprises a tension sensor and pulling hooks fixed on two sides of the tension sensor; the first real-time tension display is connected with the tension sensor in the first sensor assembly, and the second real-time tension display is connected with the tension sensor in the second sensor assembly.
5. The multi-purpose laboratory bench of claim 1, wherein said instrument end mounting bench assembly comprises: the terminal fixture comprises a terminal fixed rack fixed on the main table top and a terminal fixture body arranged on the terminal fixed rack.
6. The multi-purpose laboratory bench of claim 1, wherein said instrument fatigue test system comprises: the device comprises a device limiting assembly and a device front end supporting frame, wherein the device limiting assembly is arranged on the right side of a main table top and positioned at the front end of a second sliding table assembly, and the device front end supporting frame is arranged on the main table top and positioned between a device main body fixed table frame assembly and a device tail end fixed table frame assembly.
7. The multi-purpose laboratory bench of claim 6, wherein said instrument restraint assembly comprises: the device comprises a device limiting bench fixed on a main table top, a rotating motor arranged on the device limiting bench and a driving deflector rod connected with a rotating part of an inner ring of the rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320829092.9U CN220367102U (en) | 2023-04-14 | 2023-04-14 | Multifunctional experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320829092.9U CN220367102U (en) | 2023-04-14 | 2023-04-14 | Multifunctional experiment table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220367102U true CN220367102U (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320829092.9U Active CN220367102U (en) | 2023-04-14 | 2023-04-14 | Multifunctional experiment table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220367102U (en) |
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2023
- 2023-04-14 CN CN202320829092.9U patent/CN220367102U/en active Active
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