CN215572587U - Portable medical multidimensional measuring rod - Google Patents
Portable medical multidimensional measuring rod Download PDFInfo
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- CN215572587U CN215572587U CN202122344297.1U CN202122344297U CN215572587U CN 215572587 U CN215572587 U CN 215572587U CN 202122344297 U CN202122344297 U CN 202122344297U CN 215572587 U CN215572587 U CN 215572587U
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Abstract
The utility model discloses a portable medical multidimensional measuring rod, which comprises a length measuring rod, a width measuring rod and a height measuring rod, wherein scales are arranged on the length measuring rod, the width measuring rod and the height measuring rod; the starting end of the width measuring rod is connected with the starting end of the length measuring rod, and the width measuring rod is perpendicular to the length measuring rod; the starting end of the height measuring rod is arranged at the joint of the length measuring rod and the width measuring rod, and the height measuring rod is perpendicular to the length measuring rod and the width measuring rod; the medical multidimensional measuring rod can measure the length, the width and the height of a tumor at the same time, has a simple structure, is convenient to use, and can greatly improve the convenience of medical care work.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a portable medical multidimensional measuring rod.
Background
In tumor surgery, tumor needs to be removed, clinically, in the process of disease assessment, measurement of tumor size is a very important link, and the removed tumor is measured, so that the tumor cycle of a patient can be conveniently known.
At present, an instrument for measuring tumour size, the most one kind instrument of the simple measuring stick of one-way flat ruler, it measures inconveniently, there is the limitation when measuring irregular type object, need the record after measuring length, measure the width and take notes again, measure the height at last and take notes, need measure the size that could the final definite tumour repeatedly, medical personnel's operating time has been increased, and measurement process constantly takes notes, the measurer touches the swelling thing in operation process hand probably carelessly, hold a record again this moment, continue to measure after that, and it is unhygienic.
Based on the technical problem, the utility model provides the portable medical multidimensional measuring rod for the first time to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a portable medical multidimensional measuring rod which can measure the length, the width and the height of a tumor at the same time, has a simple structure, is convenient to use and can greatly improve the convenience of medical care work.
In order to solve the problems, the utility model adopts the following technical scheme:
a portable medical multidimensional measuring rod comprises a length measuring rod, a width measuring rod and a height measuring rod, wherein scales are arranged on the length measuring rod, the width measuring rod and the height measuring rod; the starting end of the width measuring rod is connected with the starting end of the length measuring rod, and the width measuring rod is perpendicular to the length measuring rod; the starting end of the height measuring rod is arranged at the joint of the length measuring rod and the width measuring rod, and the height measuring rod is perpendicular to the length measuring rod and the width measuring rod;
the length measuring rod is movably connected with a length fixing rod, the width measuring rod is movably connected with a width fixing rod, the length fixing rod is parallel to the width measuring rod, and the width fixing rod is parallel to the length measuring rod; and the height measuring rod is provided with a height fixing rod, and the height fixing rod is perpendicular to the height measuring rod.
Preferably, the height fixing rod is sleeved on the height measuring rod through a first connecting piece, and the height fixing rod can move along the height measuring rod and is kept perpendicular to the height measuring rod in the moving process.
Preferably, the height measuring rod is a tape measure, the starting end of the height measuring rod is rotatably connected to the joint of the length measuring rod and the width measuring rod, and the height fixing rod is perpendicular to the tape measure.
Preferably, the width fixing rod is sleeved on the width measuring rod through a second connecting piece, and the width fixing rod can move along the width measuring rod and is kept perpendicular to the width measuring rod in the moving process.
Preferably, the width measuring rod is provided with a first connecting block, the first connecting block is slidably connected with the width measuring rod, the first connecting block is provided with a first connecting head, one end of the width fixing rod is hinged to the width measuring rod through the first connecting head, and the width fixing rod and the width measuring rod are mutually perpendicular and self-locked in position.
Preferably, the length fixing rod is sleeved on the length measuring rod through a third connecting piece, and the length fixing rod can move along the length measuring rod and is kept perpendicular to the length measuring rod in the moving process.
Preferably, the length measuring rod is provided with a second connecting block, the second connecting block is in sliding connection with the length measuring rod, the second connecting block is provided with a second connector, one end of the length measuring rod is connected with the length measuring rod through the second connector, and the length measuring rod are mutually perpendicular and are self-locked.
Preferably, the starting end of the width measuring rod is hinged with the starting end of the length measuring rod through a rotating shaft, and the width measuring rod and the length measuring rod are self-locked at the positions perpendicular to each other.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a portable medical multidimensional measuring stick includes length measuring pole, width measuring pole and height measuring pole, in the measurement process, lay length measuring pole and width measuring pole on operation plane, at this moment, height measuring pole is perpendicular with operation plane mesa, regard as the fixed point with the junction of length measuring pole and width measuring pole, place the right angle contained angle department at length measuring pole and width measuring pole with required measurement thing, and paste on length measuring pole and width measuring pole, then decide the pole through removal length, pole and height are decided to width, make the three all contact this measurement thing, alright read length measuring pole, the scale on width measuring pole and the height measuring pole, the steam generator is simple in structure, high durability and convenient use, the time of measuring operation has been reduced, the convenience of medical work has been improved.
2. The utility model provides a portable medical multidimensional measuring rod length is decided pole, width and is decided pole and height and decide the pole and overlap respectively and locate length measuring rod, width measuring rod and height measuring rod in the length measuring rod, when need not using, all can take out, is convenient for accomodate and stores.
3. Besides the sleeve joint, the length fixing rod and the width fixing rod in the portable medical multidimensional measuring rod can be hinged with the length measuring rod and the width measuring rod and self-locked at specific positions, the height measuring rod can be a tape, and the height fixing rod vertical to the height measuring rod is connected to the opening of the tape box; after the tape measure box is used, the length fixed rod is turned over to be overlapped with the length measuring rod, the width fixed rod is turned over to be overlapped with the width measuring rod, and the height fixed rod moves above the length fixed rod along with the tape measure box to be overlapped with the length fixed rod; in addition, the starting end of the width measuring rod is hinged with the starting end of the length measuring rod through the rotating shaft, and self-locking is carried out at the position where the width measuring rod and the length measuring rod are vertical to each other, namely the width measuring rod and the length measuring rod can be folded and overlapped together, the measuring rod and the length measuring rod can be folded and stored, can be fixed through a binding rope, and can be stored in the way when not needed, so that the storage space can be greatly saved.
Drawings
Fig. 1 is a schematic structural diagram of a portable medical multi-dimensional measuring rod according to the present invention;
FIG. 2 is another schematic structural diagram of a portable medical multi-dimensional measuring rod according to the present invention;
FIG. 3 is a cross-sectional view showing the connection relationship of the first connecting block and the width measuring bar according to the present invention;
FIG. 4 is a schematic sectional view showing the connection relationship between a second connecting block and a length measuring bar according to the present invention;
FIG. 5 is a third structural diagram of a portable medical multi-dimensional measuring stick according to the present invention;
in the figures, the reference numbers: 1. a length measuring rod; 2. a width measuring rod; 3. a height measuring rod; 4. calibration; 5. a length fixing rod; 6. a width fixing rod; 7. a height fixing rod; 8. a first connecting member; 9. a second connecting member; 10. a third connecting member; 11. a cavity; 12. a through hole; 13. a slider; 14. a first connector; 15. a connecting rod; 16. a positioning member; 17. a second connector; 18. a tape measure box.
Detailed Description
The utility model is further described with reference to the following figures and examples.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a portable medical multidimensional measuring rod, which includes a length measuring rod 1, a width measuring rod 2, and a height measuring rod 3, wherein scales 4 are respectively disposed on the length measuring rod 1, the width measuring rod 2, and the height measuring rod 3; the starting end (the starting end is the zero scale 4 end, the same below) of the width measuring rod 2 is connected with the starting end of the length measuring rod 1, and the width measuring rod 2 is perpendicular to the length measuring rod 1; the starting end of the height measuring rod 3 is arranged at the joint of the length measuring rod 1 and the width measuring rod 2, and the height measuring rod 3 is perpendicular to the length measuring rod 1 and the width measuring rod 2; it should be noted that the zero scale 4 of the length measuring rod 1 and the width measuring rod 2 of the present invention is an included angle position where the two form a vertical included angle, and the zero scale 4 of the height measuring rod 3 is a contact point with the operation plane.
The length measuring rod 1 is movably connected with a length fixing rod 5, and the length fixing rod 5 is perpendicular to the length measuring rod 1 and parallel to the width measuring rod 2; the width measuring rod 2 is movably connected with a width fixed rod 6, and the width fixed rod 6 is perpendicular to the width measuring rod 2 and parallel to the length measuring rod 1; the height measuring rod 3 is provided with a height fixing rod 7, and the height fixing rod 7 is perpendicular to the height measuring rod 3.
The medical multidimensional measuring rod takes the joint of the length measuring rod 1 and the width measuring rod 2 as a fixed point direction, in the specific use process, the length measuring rod 1 and the width measuring rod 2 are laid on an operation plane, at the moment, the height measuring rod 3 is perpendicular to the table top of the operation plane, a required measuring object is placed at the right-angle included angle of the length measuring rod 1 and the width measuring rod 2 and attached to the length measuring rod 1 and the width measuring rod 2, and then the length fixing rod 5, the width fixing rod 6 and the height fixing rod 7 are moved to enable the length measuring rod 1, the width measuring rod 2 and the height measuring rod 3 to be contacted with the measuring object, so that scales 4 on the length measuring rod 1, the width measuring rod 2 and the height measuring rod 3 can be read.
In the embodiment, the starting end of the width measuring rod 2 is hinged with the starting end of the length measuring rod 1 through a rotating shaft, and the two ends are self-locked at the mutually vertical positions; the self-locking mode is various, for example, the self-locking mode can be connected through a vertical self-locking rotating shaft, a bolt can be arranged at the hinged position, the bolt is loosened when the self-locking mode needs to be turned over, and the bolt is screwed and fixed when the self-locking mode is turned over to the vertical position; in the utility model, the self-locking can be realized at the mutually vertical position through the prior art, and the specific arrangement of the self-locking structure is not repeated in the application;
in the present embodiment, the height measuring rod 3 is hinged to the joint of the length measuring rod 1 and the width measuring rod 2, and is also capable of self-locking at a position perpendicular to the length measuring rod 1 and the width measuring rod 2, in the same manner as above.
In the present embodiment, the height fixing rod 7 is sleeved on the height measuring rod 3 through a first connecting member 8, and the height fixing rod 7 can move along the height measuring rod 3 and is kept perpendicular to the height measuring rod 3 during the movement; of course, the edge of the opening end of the first connecting piece 8 close to the measured object is on the same straight line with the edge of the lower end of the height fixing rod 7. When the height measuring rod is not needed to be used, the height fixing rod 7 sleeved on the height measuring rod 3 can be taken out, and the height measuring rod is convenient to store.
In the present embodiment, the width fixing rod 6 is sleeved on the width measuring rod 2 through a second connecting member 9, and the width fixing rod 6 can move along the width measuring rod 2 and is kept perpendicular to the width measuring rod 2 during the movement; of course, the edge of the second connecting member 9 close to the opening end of the length measuring rod 1 and the edge of the width fixing rod 6 close to the length measuring rod 1 are on the same straight line. When the width measuring rod is not needed to be used, the width fixing rod 6 sleeved on the width measuring rod 2 can be taken out, and the storage is convenient.
In the present embodiment, the length-fixing rod 5 is sleeved on the length-measuring rod 1 through a third connecting member 10, and the length-fixing rod 5 is capable of moving along the length-measuring rod 1 and is kept perpendicular to the length-measuring rod 1 during the movement. Of course, the edge of the third connecting member 10 near the opening end of the width measuring rod 2 and the edge of the length measuring rod 5 near the width measuring rod 2 are on the same straight line.
Example 2
As shown in fig. 2, the present embodiment discloses another connection mode between the height fixing rod 7 and the height measuring rod 3, the height measuring rod 3 is a tape measure (the structure of the tape measure is conventional and is not described herein), the starting end of the height measuring rod 3 is rotatably connected to the connection position between the length measuring rod 1 and the width measuring rod 2, the height measuring rod 3 further includes a tape measure box 18, the lower end edge of the height fixing rod 7 and the opening edge of the tape measure box 18 are located on the same straight line, and the height fixing rod 7 is perpendicular to the tape measure. After the tape measure is used, the external force is removed, the tape measure can be automatically stored in the tape measure box 18, and the height fixing rod 7 is placed on the length measuring rod 1.
The embodiment also discloses another connection mode of the width fixing rod 6 and the width measuring rod 2, a first connection block is arranged on the width measuring rod 2, the first connection block is connected with the width measuring rod 2 in a sliding mode, a first connection head 14 is arranged on the first connection block, one end of the width fixing rod 6 is hinged to the width measuring rod 2 through the first connection head 14, and the width fixing rod 6 and the width measuring rod 2 are in self-locking at mutually perpendicular positions. The self-locking manner is as described in embodiment 1, and will not be described herein.
The connection relationship between the width fixing rod 6 and the width measuring rod 2 is specifically as follows: as shown in fig. 3, a cavity 11 and a through hole 12 are formed in the width measuring rod 2 along the length direction thereof, the through hole 12 is communicated with the cavity 11, and the through hole 12 relatively penetrates through the width measuring rod 2; the first connecting block comprises a sliding block 13 moving along the length direction of the cavity 11, a positioning piece 16 used for fixing and limiting the movement of the sliding block 13 and a connecting rod 15 used for being connected with the first connecting head 14, wherein the positioning piece 16 and the connecting rod 15 are respectively arranged at two ends of the through hole 12 in a penetrating mode. Specifically, the positioning element 16 is composed of a screw rod and a nut, and the screw rod is arranged in the width measuring rod 2 corresponding to the through hole 12 in a penetrating manner; the nut is in threaded connection with the screw rod, and the connection position of the nut and the screw rod is located on the outer side of the width measuring rod 2.
This embodiment still discloses length fixed rod 5 with another connected mode of length measuring stick 2, be provided with the second connecting block on the length measuring stick 1, the second connecting block with length measuring stick 1 sliding connection, be equipped with second connector 17 on the second connecting block, the one end of length fixed rod 5 is passed through second connector 17 with length measuring stick 1 is articulated, and length fixed rod 5 with length measuring stick 1 mutually perpendicular's position auto-lock.
The connection relationship between the length fixing rod 5 and the length measuring rod 1 is as follows: as shown in fig. 4, a cavity 11 and a through hole 12 are formed in the length measuring rod 1 along the length direction thereof, the through hole 12 is communicated with the cavity 11, and the through hole 12 relatively penetrates through the length measuring rod 1; the second connecting block includes along slider 13 that the length direction of cavity 11 removed, be used for fixed restriction slider 13 removes the setting element 16 and be used for with connecting rod 15 that second connector 17 is connected, setting element 16 with connecting rod 15 wears to locate respectively the both ends of through-hole 12. Specifically, the positioning element 16 is composed of a screw rod and a nut, and the screw rod is arranged in the length measuring rod 1 corresponding to the through hole 12 in a penetrating manner; the nut is in threaded connection with the screw rod, and the connection position of the nut and the screw rod is located on the outer side of the length measuring rod 1.
Other structures and connection relations of the present embodiment are the same as those of embodiment 1 except for the above connection relation.
Example 3
As shown in fig. 5, the embodiment provides a portable medical multidimensional measuring rod, which includes a length measuring rod 1, a width measuring rod 2, and a height measuring rod 3, wherein scales 4 are respectively disposed on the length measuring rod 1, the width measuring rod 2, and the height measuring rod 3; the starting end (the starting end is the zero scale 4 end, the same below) of the width measuring rod 2 is connected with the starting end of the length measuring rod 1, and the width measuring rod 2 is perpendicular to the length measuring rod 1; the starting end of the height measuring rod 3 is arranged at the joint of the length measuring rod 1 and the width measuring rod 2, and the height measuring rod 3 is perpendicular to the length measuring rod 1 and the width measuring rod 2; it should be noted that the zero scale 4 of the length measuring rod 1 and the width measuring rod 2 of the present invention is an included angle position where the two form a vertical included angle, and the zero scale 4 of the height measuring rod 3 is a contact point with the operation plane.
The length measuring rod 1 is movably connected with a length fixing rod 5, and the length fixing rod 5 is perpendicular to the length measuring rod 1 and parallel to the width measuring rod 2; the width measuring rod 2 is movably connected with a width fixed rod 6, and the width fixed rod 6 is perpendicular to the width measuring rod 2 and parallel to the length measuring rod 1; the height measuring rod 3 is provided with a height fixing rod 7, and the height fixing rod 7 is perpendicular to the height measuring rod 3.
The medical multidimensional measuring rod takes the joint of the length measuring rod 1 and the width measuring rod 2 as a fixed point direction, in the specific use process, the length measuring rod 1 and the width measuring rod 2 are laid on an operation plane, at the moment, the height measuring rod 3 is perpendicular to the table top of the operation plane, a required measuring object is placed at the right-angle included angle of the length measuring rod 1 and the width measuring rod 2 and attached to the length measuring rod 1 and the width measuring rod 2, and then the length fixing rod 5, the width fixing rod 6 and the height fixing rod 7 are moved to enable the length measuring rod 1, the width measuring rod 2 and the height measuring rod 3 to be contacted with the measuring object, so that scales 4 on the length measuring rod 1, the width measuring rod 2 and the height measuring rod 3 can be read.
In the embodiment, the starting end of the width measuring rod 2 is hinged with the starting end of the length measuring rod 1 through a rotating shaft, and the two ends are self-locked at the mutually vertical positions; the self-locking mode is various, for example, the self-locking mode can be connected through a vertical self-locking rotating shaft, a bolt can be arranged at the hinged position, the bolt is loosened when the self-locking mode needs to be turned over, and the bolt is screwed and fixed when the self-locking mode is turned over to the vertical position; in the utility model, the self-locking can be realized at the mutually vertical position through the prior art, and the specific arrangement of the self-locking structure is not repeated in the application;
in the present embodiment, the height measuring rod 3 is hinged to the joint of the length measuring rod 1 and the width measuring rod 2, and is also capable of self-locking at a position perpendicular to the length measuring rod 1 and the width measuring rod 2, in the same manner as above.
In the present embodiment, the height fixing rod 7 is sleeved on the height measuring rod 3 through a first connecting member 8, and the height fixing rod 7 can move along the height measuring rod 3 and is kept perpendicular to the height measuring rod 3 during the movement; of course, the edge of the opening end of the first connecting piece 8 close to the measured object is on the same straight line with the edge of the lower end of the height fixing rod 7. When the height measuring rod is not needed to be used, the height fixing rod 7 sleeved on the height measuring rod 3 can be taken out, and the height measuring rod is convenient to store.
In this embodiment, the width measuring rod 2 is provided with a first connecting block, the first connecting block is slidably connected to the width measuring rod 2, the first connecting block is provided with a first connecting joint 14, one end of the width fixing rod 6 is hinged to the width measuring rod 2 through the first connecting joint 14, and the width fixing rod 6 and the width measuring rod 2 are self-locked at positions perpendicular to each other. The self-locking manner is as described in embodiment 1, and will not be described herein.
The connection relationship between the width fixing rod 6 and the width measuring rod 2 is specifically as follows: as shown in fig. 3, a cavity 11 and a through hole 12 are formed in the width measuring rod 2 along the length direction thereof, the through hole 12 is communicated with the cavity 11, and the through hole 12 relatively penetrates through the width measuring rod 2; the first connecting block comprises a sliding block 13 moving along the length direction of the cavity 11, a positioning piece 16 used for fixing and limiting the movement of the sliding block 13 and a connecting rod 15 used for being connected with the first connecting head 14, wherein the positioning piece 16 and the connecting rod 15 are respectively arranged at two ends of the through hole 12 in a penetrating mode. Specifically, the positioning element 16 is composed of a screw rod and a nut, and the screw rod is arranged in the width measuring rod 2 corresponding to the through hole 12 in a penetrating manner; the nut is in threaded connection with the screw rod, and the connection position of the nut and the screw rod is located on the outer side of the width measuring rod 2.
In this embodiment, be provided with the second connecting block on the length measuring pole 1, the second connecting block with length measuring pole 1 sliding connection, be equipped with second connector 17 on the second connecting block, the one end of length fixed rod 5 is passed through second connector 17 with length measuring pole 1 is articulated, and length fixed rod 5 with length measuring pole 1 mutually perpendicular's position auto-lock.
The connection relationship between the length fixing rod 5 and the length measuring rod 1 is as follows: as shown in fig. 4, a cavity 11 and a through hole 12 are formed in the length measuring rod 1 along the length direction thereof, the through hole 12 is communicated with the cavity 11, and the through hole 12 relatively penetrates through the length measuring rod 1; the second connecting block includes along slider 13 that the length direction of cavity 11 removed, be used for fixed restriction slider 13 removes the setting element 16 and be used for with connecting rod 15 that second connector 17 is connected, setting element 16 with connecting rod 15 wears to locate respectively the both ends of through-hole 12. Specifically, the positioning element 16 is composed of a screw rod and a nut, and the screw rod is arranged in the length measuring rod 1 corresponding to the through hole 12 in a penetrating manner; the nut is in threaded connection with the screw rod, and the connection position of the nut and the screw rod is located on the outer side of the length measuring rod 1.
Of course, in addition to the structures of the above-described embodiments 1 to 3, the partial structures shown in fig. 1 and 2 may be disassembled and then freely combined again, and a plurality of combinations of the partial structures may be adopted.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (8)
1. A portable medical multidimensional measuring rod is characterized by comprising a length measuring rod, a width measuring rod and a height measuring rod, wherein scales are arranged on the length measuring rod, the width measuring rod and the height measuring rod; the starting end of the width measuring rod is connected with the starting end of the length measuring rod, and the width measuring rod is perpendicular to the length measuring rod; the starting end of the height measuring rod is arranged at the joint of the length measuring rod and the width measuring rod, and the height measuring rod is perpendicular to the length measuring rod and the width measuring rod;
the length measuring rod is movably connected with a length fixing rod, the width measuring rod is movably connected with a width fixing rod, the length fixing rod is parallel to the width measuring rod, and the width fixing rod is parallel to the length measuring rod; and the height measuring rod is provided with a height fixing rod, and the height fixing rod is perpendicular to the height measuring rod.
2. The portable medical multidimensional measuring rod of claim 1, wherein the height fixing rod is sleeved on the height measuring rod through a first connecting piece, and the height fixing rod can move along the height measuring rod and is kept perpendicular to the height measuring rod during movement.
3. The portable medical multidimensional measuring bar of claim 1, wherein the height measuring bar is a tape measure, the starting end of the height measuring bar is rotatably connected to the joint of the length measuring bar and the width measuring bar, and the height fixing bar is perpendicular to the tape measure.
4. The portable medical multidimensional measuring bar of claim 1, wherein the width fixing bar is sleeved on the width measuring bar through a second connecting member, and the width fixing bar can move along the width measuring bar and keep perpendicular to the width measuring bar during movement.
5. The portable medical multidimensional measuring rod of claim 1, wherein the width measuring rod is provided with a first connecting block, the first connecting block is slidably connected with the width measuring rod, the first connecting block is provided with a first connecting head, and one end of the width fixing rod is hinged with the width measuring rod through the first connecting head and is self-locked at a position where the width fixing rod and the width measuring rod are perpendicular to each other.
6. The portable medical multi-dimensional measuring rod as claimed in claim 1, wherein the length fixing rod is sleeved on the length measuring rod through a third connecting member, and the length fixing rod is capable of moving along the length measuring rod and keeping perpendicular to the length measuring rod during movement.
7. The portable medical multidimensional measuring rod of claim 1, wherein a second connecting block is arranged on the length measuring rod, the second connecting block is slidably connected with the length measuring rod, a second connecting head is arranged on the second connecting block, one end of the length fixing rod is hinged to the length measuring rod through the second connecting head, and the length fixing rod and the length measuring rod are self-locked at positions perpendicular to each other.
8. The portable medical multidimensional measuring rod of claim 1, wherein the starting end of the width measuring rod is hinged with the starting end of the length measuring rod through a rotating shaft and is self-locked at a position where the two are perpendicular to each other.
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CN202122344297.1U CN215572587U (en) | 2021-09-27 | 2021-09-27 | Portable medical multidimensional measuring rod |
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CN202122344297.1U CN215572587U (en) | 2021-09-27 | 2021-09-27 | Portable medical multidimensional measuring rod |
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