Pathological specimen slicing knife

Abstract

A pathological specimen slicing knife comprises a knife rest, a knife holder, a blade, a locking strip, a shifting rod, a driving connecting rod, a mounting support sleeve and a position control rod, the knife holder is provided with a mounting groove, the mounting groove is matched with the blade, the blade is connected with the mounting groove, clamping grooves are formed in the two sides of the blade, clamping strips are arranged on the two sides of the knife holder, the clamping strips are matched with the clamping grooves, the clamping strips are connected with the clamping grooves, and the knife holder is provided with a containing groove. The blade is provided with a locking groove and a containing groove, the locking groove is matched with the locking bar, the locking groove is connected with the upper portion of the locking bar, the lower portion of the locking bar is connected with the containing groove, the locking bar is connected with one end of the spring bar, the other end of the spring bar is connected with the tool apron, the tool apron is provided with a sliding hole, the locking bar is provided with a fixing groove and a sliding hole, the fixing groove is matched with the deflector rod, the deflector rod penetrates through the sliding hole, and the inner end of the deflector rod is connected with the fixing groove.

Description

Technical Field

[0001] The utility model relates to the field of pathological specimens, in particular to a pathological specimen slicing knife. Background Art

[0002] An existing patent (publication number: CN202027617U) proposes a double-layer pathology specimen sampling knife, which includes a handle and a blade. The front end of the handle is provided with two slots with a spacing of 0.3 cm. The rear ends of the two blades are fixed in the slots at the front end of the handle by fixing screws. However, the distance between the two blades in this device is fixed, and the slice thickness cannot be adjusted accordingly according to the actual slicing requirements of the pathology specimen. The structural flexibility is poor, it is not practical, and there are disadvantages. Summary of the Invention

[0003] The utility model aims to solve the above-mentioned deficiencies in the prior art and provides a pathology specimen slicing knife with a blade that is easy to assemble and disassemble, and is convenient for cleaning and replacement. The blade is stably supported, thereby ensuring a smooth cutting surface of the pathology specimen, improving the quality of the pathology section, and facilitating later microscope observation. The utility model can also accurately adjust the slice thickness between the blades according to the actual sectioning requirements of the pathology specimen by referring to the scale line, thereby ensuring a uniform thickness of the pathology section, increasing the sectioning accuracy, and improving the efficiency of the pathology specimen sectioning operation.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A pathological specimen slicing knife comprises a knife holder, a knife base, a blade, a locking bar, a shift rod, a driving connecting rod, a mounting support sleeve, and a positioning rod. The knife base has a mounting groove, the mounting groove is adapted to the blade, the blade is connected to the mounting groove, the blade has a clamping slot on both sides, the knife base has a clamping strip on both sides, the clamping strip is adapted to the clamping slot, the clamping strip is connected to the clamping slot, the knife base has a receiving groove, the blade has a locking slot, the receiving groove and the locking slot are adapted to the locking strip, the locking slot is connected to the upper part of the locking strip, the lower part of the locking strip is connected to the receiving groove, the locking strip is connected to one end of a spring strip, the other end of the spring strip is connected to the knife base, the knife base has a sliding hole, the locking strip has a fixed groove, the sliding hole and the fixed groove are adapted to the shift rod, the shift rod passes through the sliding hole, and the inner end of the shift rod is connected to the fixed groove.

[0006] The tool holder of the utility model is divided into a fixed tool holder and a movable tool holder. The fixed tool holder has a tool holder, the outside of the tool holder has a scale line, the inside of the tool holder has a tool holder groove, the tool holder groove is adapted to the movable tool holder, the movable tool holder is connected to the tool holder groove, and the movable tool holder slides in the tool holder groove. The outside of the tool holder has a support sleeve, the inside of the tool holder has a support groove, the support groove is adapted to the positioning rod, the positioning rod passes through the support sleeve, the tool holder, the movable tool holder, and the fixed tool holder in sequence, the positioning rod is connected to the movable tool holder through a thread, the inner end of the positioning rod is connected to the support groove, the outer end of the positioning rod is provided with a worm gear, the inner side of the worm gear fits the support sleeve, and the outer side of the worm gear is provided with a push rod.

[0007] The tool holder of the utility model has a fixed plate, the fixed plate is connected to the mounting sleeve, the inner side of the mounting sleeve is fitted with the top rod, the outer side of the mounting sleeve is fitted with the knob, the knob has a driving shaft, the mounting sleeve has a side through-hole, the driving shaft is adapted to the side through-hole, the driving shaft passes through the side through-hole, the driving shaft is connected to the driving connecting rod, worms are provided on both sides of the driving connecting rod, the worms are adapted to the worm wheel, and the worms are connected to the worm wheel. Beneficial effects

[0008] The blade of the utility model is embedded and plugged into the blade holder, and by cooperating with the locking strip, the blade is dual-positioned in the longitudinal and transverse directions, thereby improving the stability of the blade support, ensuring the flatness of the cutting surface of the pathological specimen, improving the quality of the pathological section, and facilitating the later microscope observation. At the same time, the blade is easy to disassemble and assemble, and is convenient for cleaning and replacement.

[0009] The worm gears on both sides of the driving connecting rod of the utility model correspond to and are connected with the worm gears on both sides, so that when the driving connecting rod is driven to rotate by turning the knob, the worm gear and the control rod are linked therewith, and the two sides of the control rod are respectively positioned and connected with the knife holders on both sides through positive and negative threads, so that when the control rod is rotated, the movable knife holders on both sides simultaneously perform synchronous horizontal linear displacement movement inward or outward, so that the slice thickness between the blades can be accurately adjusted according to the actual slicing requirements of the pathological specimen by referring to the scale line. The structure is flexible and practical, and the fixed knife holder and the movable knife holders on both sides always maintain an equidistant interval, which ensures that the thickness of the pathological slices is uniform and consistent, increases the slicing accuracy, and the three sets of blades cut synchronously, which can improve the efficiency of the pathological specimen slicing operation.

[0010] The blade of the utility model is easy to disassemble and assemble, and is convenient for cleaning and replacement. The blade support is stable, which ensures that the cutting surface of the pathological specimen is smooth, improves the quality of the pathological section, and is convenient for later microscope observation. The thickness of the slices between the blades can be accurately adjusted according to the actual sectioning requirements of the pathological specimen by referring to the scale line, ensuring that the thickness of the pathological slices is uniform, increasing the sectioning accuracy, and improving the efficiency of the pathological specimen sectioning operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a schematic structural diagram of a pathological specimen slicer.

[0012] Figure 2 The utility model is a cross-sectional view of the structure of a pathological specimen slicer.

[0013] Figure 3 This is a cross-sectional view of the structure of a pathological specimen slicer described in the utility model.

[0014] Figure 4 This is a cross-sectional view of the blade and blade holder connection structure described in the present utility model.

[0015] Figure 5 This is a cross-sectional view of the lock bar and knife seat connection structure described in the present utility model.

[0016] Figure 6 This is a schematic diagram of the tool holder structure of the present utility model.

[0017] Figure 7 This is a schematic diagram of the blade structure described in the present utility model.

[0018] Figure 8 This is a cross-sectional view of the connection structure of the mounting sleeve and the fixing plate described in the present utility model.

[0019] Figure 9 This is a structural schematic diagram of the movable knife holder described in the utility model.

[0020] Figure 10 This is a schematic diagram of the control rod structure of the utility model. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments:

[0022] Example 1:

[0023] A pathological specimen slicer, including a knife holder 01, a knife seat 04, a blade 05, a locking bar 11, a lever 12, a driving connecting rod 17, a mounting sleeve 20, and a control rod 27. The knife seat 04 has a mounting groove 06, which is adapted to the blade 05. The blade 05 is connected to the mounting groove 06. The blade 05 has a card slot 08 on both sides. The knife seat 04 has a card strip 07 on both sides. The card strip 07 is adapted to the card slot 08. The card strip 07 is connected to the card slot 08. The knife seat 04 has a receiving groove 26. The blade 05 has a locking groove 10. The receiving groove 26 and the locking groove 10 are adapted to the locking bar 11. The locking groove 10 is connected to the upper part of the locking bar 11, and the lower part of the locking bar 11 is connected to the receiving groove. The receiving groove 26, the locking bar 11 is connected to one end of the spring bar 09, and the other end of the spring bar 09 is connected to the knife seat 04. The knife seat 04 has a sliding hole 13, and the locking bar 11 has a fixed groove 14. The sliding hole 13 and the fixed groove 14 are adapted to the shift rod 12. The shift rod 12 passes through the sliding hole 13, and the inner end of the shift rod 12 is connected to the fixed groove 14. The blade 05 is embedded and plugged into the knife seat 04, and by cooperating with the locking bar 11, the blade 05 is dual-positioned longitudinally and transversely, thereby improving the stability of the blade 05, ensuring the flatness of the cutting surface of the pathological specimen, improving the quality of the pathological section, and facilitating the later microscope observation and use. The blade 05 is easy to disassemble and assemble, and is easy to clean and replace.

[0024] Example 2:

[0025] The utility model describes a tool holder 04 that is divided into a fixed tool holder 041 and a movable tool holder 042. The fixed tool holder 041 has a tool holder 01. The tool holder 01 has a scale line 03 on the outside. The tool holder 01 has a tool holder groove 02 on the inside. The tool holder groove 02 is adapted to the movable tool holder 042. The movable tool holder 042 is connected to the tool holder groove 02. The movable tool holder 042 slides in the tool holder groove 02. The tool holder 01 has a support sleeve 23 on the outside. The tool holder 01 has a support groove 24 on the inside. The support groove 24 is adapted to the control rod 27. The control rod 27 passes through the support sleeve 23, the tool holder 01, the movable tool holder 042, and the fixed tool holder 041 in sequence. The control rod 27 is connected to the movable tool holder 042 through a thread. The inner end of the control rod 27 is connected to the support groove 24. The outer end of the control rod 27 has a worm gear 16. The inner side of the worm gear 16 fits the support sleeve 23. The outer side of the worm gear 16 has a push rod 25. The drive The worm 15 on both sides of the movable connecting rod 17 corresponds to and is connected with the worm gears 16 on both sides, so that when the driving connecting rod 17 is driven to rotate by turning the knob 21, the worm gear 16 and the control rod 27 are linked therewith, and the two sides of the control rod 27 are respectively positioned and connected with the knife holders 04 on both sides through positive and negative threads, so that when the control rod 27 rotates, the movable knife holders 042 on both sides simultaneously perform synchronous horizontal linear displacement movement inward or outward, so that the slice thickness between the blades 05 can be accurately adjusted according to the actual slicing requirements of the pathological specimen by referring to the scale line 03. The structure is flexible and practical, and the fixed knife holder 041 and the movable knife holders 042 on both sides always maintain an equidistant interval, ensuring that the thickness of the pathological slices is uniform and consistent, increasing the slicing accuracy. At the same time, the three groups of blades 05 cut synchronously, which can improve the efficiency of the pathological specimen slicing operation.

[0026] Example 3:

[0027] The knife holder 01 of the present invention has a fixed plate 22, which is connected to the mounting sleeve 20, the inner side of the mounting sleeve 20 is fitted with the top rod 25, and the outer side of the mounting sleeve 20 is fitted with the knob 21. The knob 21 has a driving shaft 18, and the mounting sleeve 20 has a side through-hole 19. The driving shaft 18 is adapted to the side through-hole 19, and the driving shaft 18 passes through the side through-hole 19. The driving shaft 18 is connected to the driving connecting rod 17. The driving connecting rod 17 has worms 15 on both sides, and the worm 15 is adapted to the worm gear 16. The worm 15 is connected to the worm gear 16. The blade 05 in this device is easy to disassemble and assemble, and is convenient for cleaning and replacement. The blade 05 is firmly supported and stable, ensuring that the cutting surface of the pathological specimen is flat, improving the quality of the pathological section, and facilitating later microscope observation and use. According to the actual sectioning requirements of the pathological specimen, the thickness of the slices between the blades 05 can be accurately adjusted by referring to the scale line 03 to ensure that the thickness of the pathological slices is uniform, increase the sectioning accuracy, and improve the efficiency of the pathological specimen sectioning operation.

[0028] Example 4:

[0029] Installation steps: First, assemble the knife seat 04 structure, first place the spring bar 09 and the lock bar 11 in the receiving groove 26 in sequence, and the fixed groove 14 corresponds to the position of the slide hole 13, then pass the lever 12 through the slide hole 13 until its inner end is embedded in the fixed groove 14 and fixedly connected with the lock bar 11, then place the movable knife seat 042 into the knife holder groove 02, and then pass the control rod 27 through the support sleeve 23, the knife holder 01, the movable knife seat 042, and the fixed knife seat 041 in sequence until its inner end is embedded in the support groove 24, the inner surface of the worm gear 16 fits with the outer surface of the support sleeve 23, and the control rod 27 is fixed. The two sides of the rod 27 are positioned and connected to the movable tool holders 042 on both sides through positive and negative threads respectively, and then the driving connecting rod 17 and the knob 21 are respectively placed on the inner and outer sides of the mounting sleeve 20, and the driving shaft 18 passes through the side through-hole 19 and is fixedly connected to the driving connecting rod 17. Finally, the mounting sleeve 20 is placed on the outside of the tool holder 01 and fixedly connected to the fixed plate 22, and the positions of the worm 15 and the worm wheel 16 correspond and are connected. After completing the assembly of the tool holder 04 structure, the blade 05 is pushed into the mounting groove 06, and the card strip 07 is embedded in the card slot 08, and the lock strip 11 is embedded in the lock slot 10 to complete the installation.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A pathological specimen slicer, characterized by : It includes a knife holder (01), a knife base (04), a blade (05), a locking strip (11), a shifting rod (12), a driving connecting rod (17), a mounting sleeve (20), and a control rod (27). The knife base (04) has a mounting groove (06), the mounting groove (06) is adapted to the blade (05), the blade (05) is connected to the mounting groove (06), the blade (05) has a card slot (08) on both sides, the knife base (04) has a card strip (07) on both sides, the card strip (07) is adapted to the card slot (08), the card strip (07) is connected to the card slot (08), and the knife base (04) has a storage groove (26). The blade (05) has a locking groove (10), a receiving groove (26), and the locking groove (10) is adapted to the locking bar (11). The locking groove (10) is connected to the upper part of the locking bar (11), and the lower part of the locking bar (11) is connected to the receiving groove (26). The locking bar (11) is connected to one end of the spring bar (09), and the other end of the spring bar (09) is connected to the knife seat (04). The knife seat (04) has a sliding hole (13). The locking bar (11) has a fixing groove (14). The sliding hole (13) and the fixing groove (14) are adapted to the shifting rod (12). The shifting rod (12) passes through the sliding hole (13), and the inner end of the shifting rod (12) is connected to the fixing groove (14).

2. A pathological specimen slicer according to claim 1, characterized in that : The tool holder (04) is divided into a fixed tool holder (041) and a movable tool holder (042), the fixed tool holder (041) has a tool holder (01), the tool holder (01) has a scale line (03) on the outside, the tool holder (01) has a tool holder groove (02) on the inside, the tool holder groove (02) is adapted to the movable tool holder (042), the movable tool holder (042) is connected to the tool holder groove (02), the movable tool holder (042) slides in the tool holder groove (02), the tool holder (01) has a support sleeve (23) on the outside, the tool holder (01) has a support groove (24) on the inside, the support groove (24) is adapted to the control rod (27), the control rod (27) passes through the support sleeve (23), the tool holder (01), the movable tool holder (042), and the fixed tool holder (041) in sequence, and the control rod (27) is connected to the movable tool holder (042) by a thread.

3. A pathological specimen slicer according to claim 2, characterized in that The inner end of the control rod (27) is connected to the support groove (24), the outer end of the control rod (27) is provided with a worm gear (16), the inner side of the worm gear (16) is fitted with the support sleeve (23), and the outer side of the worm gear (16) is provided with a push rod (25).

4. A pathological specimen slicer according to claim 2, characterized in that The tool holder (01) has a fixed plate (22), the fixed plate (22) is connected to the mounting sleeve (20), the inner side of the mounting sleeve (20) fits the top rod (25), the outer side of the mounting sleeve (20) fits the knob (21), the knob (21) has a driving shaft (18), the mounting sleeve (20) has a side through hole (19), the driving shaft (18) is adapted to the side through hole (19), the driving shaft (18) passes through the side through hole (19), the driving shaft (18) is connected to the driving connecting rod (17), the driving connecting rod (17) has worms (15) on both sides, the worms (15) are adapted to the worm wheel (16), and the worms (15) are connected to the worm wheel (16).

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