CN212602214U - Base and slicer of pathological section machine blade clamp - Google Patents

Abstract

The utility model provides a base of a pathological microtome blade clamp and a microtome, wherein the base of the pathological microtome blade clamp comprises a base which is of an integral structure, and the lower part of the base is connected with a base of the microtome through a lower locking device in a locking way; the upper surface of base is equipped with the sliding part with the cooperation installation of blade clamp spout, the locking device who presss from both sides with sliding part cooperation locking location blade is installed on the upper portion of base, locking device includes blind rivet and the locking shaft of taking the rotation handle, the locking shaft is installed in the base along the axial of base and is connected in the blind rivet linkage of base with vertical installation, the upper portion of blind rivet exposes the base setting and is provided with the locking groove complex locking portion with the blade clamp towards the surface of sliding part. The utility model discloses a base formula structure as an organic whole for the rigidity of whole blade clamp base obtains promoting and guarantee, thereby has avoided locking the not enough chain problems such as "jump sheet" that cause of rigidity between a plurality of connecting pieces.

Description

Base and slicer of pathological section machine blade clamp

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to base and slicer of pathological section machine blade clamp.

Background

The base of the existing pathological microtome blade clamp is generally a double-layer split structure with an angle adjusting function, and comprises a rotating block positioned on the upper layer and a sliding seat positioned on the lower layer, wherein the rotating block is provided with a first blind rivet and a first eccentric shaft for locking or loosening the blade clamp positioned on the upper end of the rotating block, the lower end of the rotating block is provided with an arc surface corresponding to the upper end surface of the sliding seat and an arc T-shaped groove, the sliding seat is provided with a second blind rivet and a second eccentric shaft, the arc T-shaped groove of the rotating block is sleeved on the upper part of the second blind rivet, the second blind rivet is driven by the rotation of the second eccentric shaft for locking the rotating block, when the angle of the rotating block needs to be adjusted, the locking shaft can be reversely rotated to loosen the blind rivet, so that the locking part on the upper part of the blind rivet is separated from the arc T-shaped groove of the rotating block, then the rotating block is rotated to the required angle and then, the sliding seat can be fixed through the locking device, and the sliding seat can slide to a required position and then be locked by loosening the locking device. However, when hard tissues are sliced, the locking is realized only by the locking part of the rivet and the contact part of the circular arc T-shaped groove of the rotating block due to the double-layer split structure of the base of the blade clamp, and the rigidity of the rotating block is insufficient due to the small contact surface, so that the blade is easy to jump, the thickness of the slice is locally thickened or thinned, the quality and the slice taking efficiency of pathological slices in medical units are seriously influenced, and the normal pathological diagnosis is influenced. On the other hand, the base of the blade clamp has the angle adjusting function, so that the manufacturing process is complex, the cost is high, and the angle adjusting function of the base of the blade clamp is hardly used in a conventional pathological department, so that the base of the blade clamp with the angle adjusting function not only becomes a redundant furnishing, but also increases the economic cost of purchasing the pathological department.

Disclosure of Invention

For solving the above-mentioned problem that prior art exists, the utility model provides a promoted the rigidity requirement, promoted hard tissue section quality, reduced manufacturing cost's pathological section machine blade holder's base.

The utility model also provides a rigidity requirement has promoted hard tissue section quality, has reduced manufacturing cost's slicer.

The utility model adopts the technical proposal that:

the utility model provides a base of pathological section machine blade holder, includes base, locking device, its characterized in that: the base is of an integrated structure, and the lower part of the base is connected with the slicer base in a locking mode through a lower locking device; the upper surface of base is equipped with the sliding part with the cooperation installation of blade clamp spout, the locking device who presss from both sides with sliding part cooperation locking location blade is installed on the upper portion of base, locking device includes blind rivet and the locking shaft of taking the rotation handle, the locking shaft is installed in the base along the axial of base and is connected in the blind rivet linkage of base with vertical installation, the upper portion of blind rivet exposes the base setting and is provided with the locking groove complex locking portion with the blade clamp towards the surface of sliding part. Base formula structure as an organic whole for the rigidity of whole blade clamp base obtains promoting and guarantee, thereby has avoided locking the not enough chain problems such as "jump piece" that cause of rigidity between a plurality of connecting pieces.

Further, the plane on which the sliding part is arranged on the base is obliquely arranged, one side, close to the tissue to be cut, of the plane is lower than the other side of the plane, so that the tissue to be cut is prevented from being scraped to the blade clamp and damaged when being sliced.

Further, base orientation is waited to cut tissue one side and is equipped with the concave shelves of opening, the opening of the concave shelves of opening sets up, both can avoid during the section and treat the chuck interference of cutting the tissue with the centre gripping, can promote intensity and rigidity after the base installation again.

Further, the base is equipped with the first mounting hole of the axial setting of wearing to establish the locking axle, the top middle part of base is equipped with the second mounting hole of the vertical setting that the blind rivet wore to establish, first mounting hole is link up with the second mounting hole, the locking axle further passes behind wearing to establish first mounting hole the through-hole of the lower half of blind rivet to drive the blind rivet and slide in the second mounting hole.

Further, the base is provided with an installation part connected with the slicer base.

Furthermore, the installation part is connected with the slicer base in a sliding mode or in a fixed mode. The sliding connection may facilitate adjustment of the distance between the slicer base and the tissue to be sliced.

Further, the sliding connection is in a dovetail groove type, a straight line groove and/or a V-shaped groove combined type.

Further, lower locking device installs on the base, and when the base was installed in the slicer base, lower locking device and slicer base cooperation locking are connected.

Or the lower locking device is arranged on the slicer base, and when the base is arranged on the slicer base, the lower locking device is matched and locked with the base.

Slicer, including the slicer base, its characterized in that: the base of the pathological microtome blade clamp is arranged on the base of the microtome.

The utility model has the advantages that: not only promoted the base rigidity, promoted hard tissue section quality, greatly reduced the processing moreover and the assembly degree of difficulty, reduced manufacturing cost also can reduce user's purchase expenditure expense.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is an explosion diagram of the present invention.

Fig. 3 is a plan view of the base of the present invention, wherein fig. 3(a) is a sectional view taken along the line a-a of fig. 3 (b).

Fig. 4 is a schematic diagram of the base of the present invention.

Fig. 5 is a schematic view of the present invention cooperating with the blade holder.

Fig. 6 is a schematic view of the assembly of the base and the lower locking device according to the second embodiment of the present invention.

Fig. 7 is a front view, partially in section, of a third embodiment base strip of the present invention.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2, the base of a blade holder of a pathological microtome in the present embodiment includes a base 1 and a locking device 2, which are of an integrated structure, wherein a sliding portion 10 installed in a corresponding and matching manner with a sliding slot of the blade holder is disposed on an upper surface of the base 1, so as to facilitate installation, sliding, locking and positioning of the blade holder; the locking device 2 is arranged on the upper portion of the base 1 and is matched with the sliding portion 10 to lock and position the blade clamp, the locking device 2 comprises a pull nail 22 and a locking shaft 21 with a rotating handle, the locking shaft 21 is arranged on the base 1 along the axial direction of the base 1 and is in linkage connection with the pull nail 22 longitudinally arranged on the base, and the locking portion 22a matched with a locking groove of the blade clamp is arranged on the outer surface, facing the sliding portion 10, of the upper portion of the pull nail 11 exposed out of the base 1. Specifically, the blind rivet 22 is columnar, the upper half part of the blind rivet is provided with a locking part 22a with a T-shaped structure, the lower half part of the blind rivet is provided with a through hole 22b, the blind rivet is arranged in the second mounting hole 12 which is longitudinally arranged in the middle part above the base 1 in a penetrating manner, and the locking part 22a is exposed above the base 1; the bottom of base 1 is equipped with slicer base sliding connection's forked tail slot type's installation department 14 and lower locking device 3 to adjust the blade clamp base and wait to cut the distance between the tissue.

As shown in fig. 3(a), in this embodiment, the upper portion of the base 1 is provided with a first mounting hole 11 axially formed through the locking shaft 21, and the first mounting hole is communicated with the second mounting hole 12, and the locking shaft 21 further penetrates through the through hole 22b of the lower half portion of the blind rivet 22 after penetrating through the first mounting hole 11, so as to drive the blind rivet 22 to slide up and down in the second mounting hole 12. The lower part of the base 1 is provided with a third mounting hole 13 of the lower locking device 3, and the third mounting hole 13 is arranged at the other side of the first mounting hole 11, so that the mutual action interference between the lower locking device 3 and the locking device 2 is avoided. Third mounting hole 13 link up with the installation department 14 that sets up the dovetail structure in base 1 bottom, locking device 3 includes locking screw 31, swivel nut 32, latch segment 33, pressure spring 34 down to overlap in proper order and locate in the third mounting hole 13, locking device 3 locks through the forked tail slider of installing on the slicer base with the installation department 14 adaptation of dovetail structure down is convenient for. Certainly, in the lower locking device 3 of this embodiment, the threaded sleeve 32 may be removed, the locking screw 31 is directly screwed with the third mounting hole 13, the locking block 33 can be pushed to move inwards by rotating the locking screw 31, otherwise, only the locking screw 31 needs to be rotated reversely to withdraw spirally outwards when the locking block needs to be loosened, and the locking block 34 is separated from the dovetail slide block fixed on the base under the elastic action of the pressure spring 34, so that the base can be moved.

As shown in fig. 3(b), the plane of the sliding part 10 on the base 1 is obliquely arranged, and one side of the plane close to the tissue to be cut is lower than the other side of the plane, that is, an inclined included angle α with a high front part and a low back part is arranged between the plane of the sliding part 10 on the base 1 and the bottom plane of the base, so as to prevent the tissue to be cut from being scraped to the blade holder and damaged during slicing.

As shown in fig. 4, in this embodiment, an opening concave stop 15 is disposed on one side of the base 1 facing to the tissue to be cut, an opening of the opening concave stop 15 is disposed upward, that is, the upper half portion of the base 1 facing to the tissue to be cut is provided with the opening concave stop 15, and the lower half portion is integrated with the base 1, so that interference with a chuck for clamping the tissue to be cut can be avoided during slicing, and the strength and rigidity of the base 1 after installation can be improved.

As shown in fig. 5, in practical use, the sliding slot of the blade holder may be first sleeved into the sliding portion 10, the locking portion 22a of the pull stud 22 is sleeved into the corresponding T-shaped locking slot of the blade holder, when the blade holder is moved to a specific position, the handle of the locking shaft 21 is rotated to synchronously link the locking shaft 21, so as to drive the pull stud 22 to move down, so as to lock the blade holder on the base 1, the mounting portion 14 of the dovetail groove structure at the bottom of the base 1 is aligned with the dovetail slider mounted on the base of the slicer to slide the base 1 to a proper position, and the locking screw 31 in the lower locking device 3 is rotated, so as to push the locking block 33 at the inner side of the base to slide inwards through the screw sleeve 32 fixed in the third mounting hole 13 and abut against the dovetail slider arranged on the base, thereby locking and fixing the base of the blade holder to prepare for slicing.

The base of the integral type structure of this embodiment has not only promoted the rigidity of slicer blade holder base, promotes hard tissue section quality, moreover greatly reduced processing and the assembly degree of difficulty, reduce manufacturing cost, also can reduce user's purchase expenditure expense to can adjust the position about the blade holder through locking device 2 in the in-service use, through the distance of lower locking device 3 front and back adjustment blade holder base with waiting to cut the tissue, it is very convenient and thoughtful to use.

Example two:

as shown in fig. 6, the present embodiment provides an integrated base 1 'with a second structure, which is different from the first embodiment in that a mounting portion 14' at the bottom of the base 1 'is different from a lower locking manner, the mounting portion 14' is a sliding groove structure with a combination of a linear groove and a V-shaped groove, a T-shaped groove 13 'corresponding to a lower locking device mounted on a base of a slicer is disposed between the linear groove and the V-shaped groove, the lower locking device includes a locking shaft 31' with a rotation handle and a locking pull nail 32 ', the upper portion of the locking pull nail 32' is provided with a T-shaped locking portion, the lower portion of the locking pull nail is provided with a through hole, the locking shaft 31 'with the rotation handle is inserted into the through hole at the lower portion of the pull nail 32' and is mounted on the base of the slicer, and the locking shaft 31 'with the rotation handle is rotated to drive the locking pull nail 32' to be linked.

When in use, the T-shaped groove 13 ', the straight line groove and the combined sliding groove structure mounting part 14 ' of the V-shaped groove at the bottom of the base 1 ' are aligned and mounted on a base of the slicer to lock the pull nail 32 ', the straight line strip and the V-shaped strip, the base 1 ' is slid to a proper position, and the locking shaft 31 ' with the rotating handle is rotated to drive the locking pull nail 32 ' to synchronously move downwards, so that the base of the blade clamp is locked and fixed to prepare for slicing.

The mounting and displacement adjustment of the insert holder and the base 1' are performed in the same manner as in the first embodiment.

Example three:

as shown in fig. 7, the present embodiment provides a third structure of a one-piece base 1", which is different from the two embodiments described above in that the base 1" is directly fixedly connected to the slicer base by screws through the mounting portions 13 "of the threaded holes at the bottom thereof.

The mounting and displacement adjustment of the blade holder and the base 1 "are the same as in the two embodiments described above.

Example four:

the embodiment provides a microtome, which can be a paraffin microtome or a freezing microtome and the like, and comprises a microtome base, wherein the base of a pathological microtome blade clamp in one of the first embodiment, the second embodiment and the third embodiment is installed on the microtome base.

The base of the pathological microtome blade clamp with different structures is convenient for the base of the blade clamp to be matched with the base of the microtome with different structures such as a paraffin microtome or a freezing microtome, and the exchange is realized.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims (10)

1. The utility model provides a base of pathological section machine blade holder, includes base, locking device, its characterized in that: the base is of an integrated structure, and the lower part of the base is connected with the slicer base in a locking mode through a lower locking device; the upper surface of base is equipped with the sliding part with the cooperation installation of blade clamp spout, the locking device who presss from both sides with sliding part cooperation locking location blade is installed on the upper portion of base, locking device includes blind rivet and the locking shaft of taking the rotation handle, the locking shaft is installed in the base along the axial of base and is connected in the blind rivet linkage of base with vertical installation, the upper portion of blind rivet exposes the base setting and is provided with the locking groove complex locking portion with the blade clamp towards the surface of sliding part.

2. The base of a pathological microtome blade holder as defined in claim 1, wherein: the plane of the sliding part on the base is obliquely arranged, and one side of the plane close to the tissue to be cut is lower than the other side of the plane.

3. The base of a pathological microtome blade holder as defined in claim 1, wherein: the base is equipped with the concave shelves of opening towards waiting to cut tissue one side, the opening of the concave shelves of opening sets up upwards.

4. The base of a pathological microtome blade holder as defined in claim 1, wherein: the base is equipped with the first mounting hole of the axial setting of wearing to establish the locking axle, the top middle part of base is equipped with the second mounting hole of the vertical setting that the blind rivet wore to establish, first mounting hole is link up with the second mounting hole, the locking axle further passes behind wearing to establish first mounting hole the through-hole of the lower half of blind rivet to drive the blind rivet and slide in the second mounting hole.

5. The base of a pathological microtome blade holder as defined in claim 1, wherein: the base is provided with the installation department of being connected with the slicer base.

6. The base of a pathological microtome blade holder of claim 5, wherein: the installation part is connected with the slicer base in a sliding mode or in a fixed mode.

7. The base of a pathological microtome blade holder of claim 6, wherein: the sliding connection is in a dovetail groove type, straight line groove and/or V-shaped groove combined type.

8. The base of a pathological microtome blade holder as defined in claim 1, wherein: the lower locking device is arranged on the base, and when the base is arranged on the slicer base, the lower locking device is matched and locked with the slicer base.

9. The base of a pathological microtome blade holder as defined in claim 1, wherein: the lower locking device is installed on the slicer base, and when the base is installed on the slicer base, the lower locking device is matched and locked with the base.

10. Slicer, including the slicer base, its characterized in that: a base on which is mounted a blade holder of the pathological microtome of any one of claims 1-9.

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