Angle-adjustable bone marrow pushing piece clamping assembly

By designing an adjustable bone marrow slide clamping assembly, the problem of poor slide angle consistency in bone marrow biopsy was solved, achieving uniformity of bone marrow membrane thickness and ease of operation, while reducing costs.

CN223526240UActive Publication Date: 2025-11-07SHENZHEN NANSHAN DISTRICT PEOPLES HOSPITAL
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Patent Information

Application Number
CN202423005006.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-07
Estimated Expiration
2034-12-04

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  • Figure CN223526240U_ABST
    Figure CN223526240U_ABST
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Abstract

The utility model relates to an angle-adjustable bone marrow pushing piece clamping assembly which comprises a bottom plate, and a positioning groove is formed in the bottom plate. A transverse moving support is arranged on the bottom plate in a sliding mode, a height-adjustable adjusting seat is arranged at the upper end of the transverse moving support, a material carrying plate for carrying a bone marrow pushing piece is arranged on the adjusting seat in a rotating mode, and a locking screw and a clamp are arranged on the material carrying plate. An identification plate is fixedly arranged on one side of the adjusting seat; during use, after the angle of the material carrying plate is adjusted according to the identification plate, the bone marrow pushing piece is fixed to the material carrying plate, then a glass slide is placed in the positioning groove, the height position of the material carrying plate is adjusted, then bone marrow liquid is dropped on the glass slide, the whole support is transversely moved, the bone marrow pushing piece is driven to move, and the bone marrow liquid is spread on the glass slide; the inclined angle of the bone marrow pushing piece can be accurately adjusted, the distance between the bone marrow pushing piece and the glass slide is a constant value when the bone marrow pushing piece moves, therefore, a bone marrow membrane sample with the uniform thickness can be obtained, the overall structure is simple, operation is convenient, and cost is low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bone marrow biopsy instrument technical field more specifically, relate to an angle adjustable bone marrow push piece clamping assembly. BACKGROUND

[0002] In bone marrow biopsy, need the bone marrow liquid that draws is dripped on the glass slide, then hand holds bone marrow push piece to push the bone marrow liquid with certain angle, makes the bone marrow liquid spread on the glass slide, facilitates subsequent microscopic observation, when carrying out bone marrow smear operation, need to make the smear 30-45 degree angle and the 1 / 4 part of glass slide lateral part steady contact, along the glass slide transverse pull makes the bone marrow evenly dispersed, if push piece angle is too big, will make the bone marrow membrane obtained too thick, contrarily too thin, all do not meet the requirement, but, in actual operation, angle all depend on personal experience, consistency will be poor, need an angle adjustable bone marrow push piece clamping assembly that can solve above -mentioned problem. SUMMARY

[0003] The utility model provides an angle adjustable bone marrow push piece clamping assembly for solving the above -mentioned defects of prior art.

[0004] The utility model discloses a technical scheme adopted for solving its technical problem:

[0005] Constitute an angle adjustable bone marrow push piece clamping assembly, wherein, including the bottom plate, be provided with the positioning groove of positioning glass slide on the bottom plate, the horizontal shift support of sliding being provided with on the bottom plate, the adjustable seat of adjustable height is provided with on the upper end of horizontal shift support, the load plate of carrying bone marrow push piece is rotatably arranged on the adjustable seat, the locking screw of being provided with on the load plate and the fixture of clamping fixed bone marrow push piece are arranged to the position of the load plate after adjusting, fix the angle of the load plate and identify the identification board of the load plate.

[0006] The utility model discloses an angle adjustable bone marrow push piece clamping assembly, wherein, the horizontal shift support includes the stand of being located at two respectively the both sides of the bottom plate, and the middle part of two stands is connected fixed through the cross bar, both sides of the bottom plate are provided with the first sliding rail of sliding connection corresponding stand.

[0007] The utility model discloses an angle adjustable bone marrow push piece clamping assembly, wherein, two stands, the upper end of one is provided with the sliding groove of longitudinal, and the upper end of another is provided with the second sliding rail of longitudinal, one end of adjustable seat is located in sliding groove, and the other end is slidingly arranged on the second sliding rail, and the stand provided with sliding groove is provided with the lifting unit of driving adjustable seat lifting.

[0008] The angle-adjustable bone marrow push piece clamping assembly, wherein the lifting unit comprises a longitudinal threaded rod rotatably arranged on the stand, a rotating seat for mounting the threaded rod and a nut matched with the threaded rod, and the nut is arranged on the adjusting seat.

[0009] The angle-adjustable bone marrow push piece clamping assembly, wherein the adjusting seat comprises a rotating shaft and first and second blocks fixed at two ends of the rotating shaft respectively; the first block is matched with the sliding groove and the nut is arranged through the first block, and the second block is slidingly arranged on the second sliding rail.

[0010] The angle-adjustable bone marrow push piece clamping assembly, wherein one end of the carrier plate is provided with a rotating hole matched with the rotating shaft; the locking screw is threadedly connected on the carrier plate, and the locking screw fixes the position of the carrier plate by abutting against the rotating shaft.

[0011] The angle-adjustable bone marrow push piece clamping assembly, wherein the identification plate is fixedly arranged on the second block.

[0012] The angle-adjustable bone marrow push piece clamping assembly, wherein the carrier plate is provided with a first rubber sheet, the clamp comprises a V-shaped clamping arm, the clamping arm is rotationally connected with the carrier plate at a bent portion of the clamping arm through a rotating shaft, one end of the clamping arm is provided with a second rubber sheet, a torsional spring is sleeved on the rotating shaft, one end of the torsional spring abuts against the carrier plate, and the other end of the torsional spring abuts against the clamping arm.

[0013] The angle-adjustable bone marrow push piece clamping assembly has the advantages that: when used, the angle of the carrier plate is adjusted by referring to the identification plate, the bone marrow push piece is fixed on the carrier plate, the slide glass is placed in the positioning groove, the height position of the carrier plate is adjusted, the bone marrow liquid is dropped on the slide glass, the whole bracket is transversely moved to drive the bone marrow push piece to move and spread the bone marrow liquid on the slide glass, the inclination angle of the bone marrow push piece can be accurately adjusted, the distance between the bone marrow push piece and the slide glass is constant when the bone marrow push piece moves, a bone marrow film sample with uniform thickness can be obtained, the overall structure is simple, the operation is convenient, and the cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the present application will be further described below with reference to the drawings and embodiments. The drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor:

[0015] Figure 1 The angle-adjustable bone marrow push piece clamping assembly is a side view of a preferred embodiment of the present application.

[0016] Figure 2 is the angle-adjustable bone marrow push piece clamping assembly load plate adjusting schematic view of the preferable embodiment of the utility model;

[0017] Figure 3 is the angle-adjustable bone marrow push piece clamping assembly horizontal moving support and adjusting seat adjusting schematic view of the preferable embodiment of the utility model. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the following will be combined with the technical scheme in the utility model embodiment to make clear and complete description, obviously, the described embodiment is the part embodiment of the utility model, not all the embodiment. Based on the embodiment of the application, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] The angle-adjustable bone marrow push piece clamping assembly of the preferable embodiment of the utility model, as shown in Figure 1 , simultaneously refer to Figure 2 And Figure 3 , including bottom plate 1, the bottom plate 1 is provided with the positioning groove for positioning the glass slide 2;The horizontal moving support 3 is slidably arranged on the bottom plate 1, the height-adjustable adjusting seat 4 is arranged on the upper end of the horizontal moving support 3, the load material plate 6 carrying the bone marrow push piece 5 is rotatably arranged on the adjusting seat 4, the locking screw 7 for fixing the position of the adjusting load material plate 6 and the clamp 8 for clamping and fixing the bone marrow push piece 5 are arranged on the load material plate 6;The side of the adjusting seat 4 is fixedly provided with the identification plate 9 for identifying the inclination angle of the load material plate 6;

[0020] When using, after adjusting the angle of the load material plate 6 by referring to the identification plate 9, the bone marrow push piece 5 is fixed on the load material plate 6, then the glass slide 2 is placed in the positioning groove, the height position of the load material plate 6 is adjusted, then the bone marrow liquid is dropped on the glass slide 2, the whole support is moved horizontally, drives the bone marrow push piece 5 to move and spreads the bone marrow liquid on the glass slide 2, not only can the inclination angle of the bone marrow push piece 5 be accurately adjusted, but also the distance between the bone marrow push piece 5 and the glass slide 2 is constant when the bone marrow push piece 5 moves, so that the bone marrow film sample with relatively uniform thickness can be obtained, the overall structure is simple, convenient to operate and low in cost.

[0021] Preferably, the horizontal moving support 3 includes two vertical columns 30 located on the two sides of the bottom plate 1 respectively, and the middle parts of the two vertical columns 30 are connected and fixed by a horizontal rod 31;The first sliding rail 10 slidably connected with the corresponding vertical column is arranged on the two sides of the bottom plate 1;Two vertical columns 30 are slidably connected with the bottom plate 1, which can well guarantee the stability of the horizontal moving motion of the horizontal moving support 3, thereby providing guarantee for the stability of the horizontal moving of the bone marrow push piece 5.

[0022] Preferably, two upright columns 30, one of which is provided with a longitudinal sliding groove 300 at the upper end, and the other is provided with a longitudinal second sliding rail 301 at the upper end; one end of the adjusting seat 4 is located in the sliding groove 300, and the other end is slidably arranged on the second sliding rail 301; the upright column 30 provided with the sliding groove 300 is provided with a lifting unit 32 for driving the adjusting seat 4 to lift; by adopting this kind of structural layout design, the stability of the lifting movement of the adjusting seat 4 can be guaranteed, thereby providing guarantee for the stability of the lifting adjustment of the bone marrow push piece 5.

[0023] Preferably, the lifting unit 32 comprises a longitudinal threaded rod 320 rotatably arranged on the upright column 30, a rotating seat 321 for mounting the threaded rod, and a nut 322 cooperating with the threaded rod, the nut 322 being arranged on the adjusting seat 4; of course, it can be understood that the lifting unit can also adopt other existing structural forms, such as an electric push rod, etc., which are not limited.

[0024] Preferably, the adjusting seat 4 comprises a rotating shaft 40 and first and second blocks 41 and 42 respectively fixed at both ends of the rotating shaft 40; the first block 41 cooperates with the sliding groove 300 and is provided with the nut 322, and the second block 42 is slidably arranged on the second sliding rail 301; the structure is simple, convenient to assemble, and reliable.

[0025] Preferably, one end of the carrier plate 6 is provided with a rotating hole cooperating with the rotating shaft 40; the locking screw 7 is threadedly connected to the carrier plate 6, and the position of the carrier plate 6 is fixed by abutting against the rotating shaft 40, which is convenient and fast to adjust, simple in structure, and low in cost.

[0026] Preferably, the identification plate 9 is fixedly arranged on the second block 42.

[0027] Preferably, the carrier plate 6 is provided with a first rubber sheet 60, the clamp 8 comprises a V-shaped clamping arm 80, the bending part of the clamping arm 80 is rotatably connected to the carrier plate 6 through a rotating shaft 81, one end of the clamping arm 80 is provided with a second rubber sheet 800; a torsional spring 82 is sleeved on the rotating shaft 81, one end of the torsional spring 82 abuts against the carrier plate 6, and the other end abuts against the clamping arm 80; the bone marrow push piece is clamped by the first rubber sheet 60 and the second rubber sheet 800 to provide a larger friction force during clamping, and the clamping force is provided by the torsional spring 82 to facilitate the taking and placing of the bone marrow push piece.

[0028] It should be understood that those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the present utility model.

Claims

1. An angle adjustable bone marrow pusher holding assembly, characterized in that, The application relates to a slide rack for bone marrow pushing, which comprises a bottom plate provided with positioning grooves for positioning slides; a horizontal moving support is slidably arranged on the bottom plate, the upper end of the horizontal moving support is provided with an adjustable adjusting seat, a loading plate for bone marrow pushing is rotatably arranged on the adjusting seat, locking screws for fixing the position of the loading plate after adjustment and clamps for clamping and fixing bone marrow pushing are arranged on the loading plate; and an identification plate for identifying the inclination angle of the loading plate is fixed on one side of the adjusting seat.

2. The angle adjustable bone marrow impaction assembly of claim 1, wherein, The horizontal moving support comprises two vertical columns arranged on the two sides of the bottom plate respectively, and the middle parts of the two vertical columns are fixedly connected through a horizontal rod; and first sliding rails for slidably connecting the corresponding vertical columns are arranged on the two sides of the bottom plate.

3. The angle adjustable bone marrow impaction collet assembly of claim 2, wherein, The upper end of one of the two vertical columns is provided with a longitudinal sliding groove, and the upper end of the other vertical column is provided with a longitudinal second sliding rail; one end of the adjusting seat is located in the sliding groove, and the other end is slidably arranged on the second sliding rail; the vertical column provided with the sliding groove is provided with a lifting unit for driving the adjusting seat to lift.

4. The angle adjustable bone marrow impaction collet assembly of claim 3, wherein, The lifting unit comprises a longitudinal threaded rod rotatably arranged on the vertical column, a rotating seat for mounting the threaded rod, and a nut matched with the threaded rod, and the nut is arranged on the adjusting seat.

5. The angle adjustable bone marrow impaction collet assembly of claim 4, wherein, The adjusting seat comprises a rotating shaft and first and second blocks fixed on the two ends of the rotating shaft respectively; the first block is matched with the sliding groove and is provided with the nut, and the second block is slidably arranged on the second sliding rail.

6. The angle adjustable bone marrow impaction collet assembly of claim 5, wherein, One end of the loading plate is provided with a rotating hole matched with the rotating shaft; the locking screw is threadedly connected on the loading plate, and the locking screw fixes the position of the loading plate by abutting against the rotating shaft.

7. The angle adjustable bone marrow impaction collet assembly of claim 5, wherein, The identification plate is fixed on the second block.

8. The angle adjustable bone marrow impaction assembly of any of claims 1-7, wherein, The loading plate is provided with a first rubber sheet, the clamp comprises V-shaped clamping arms, the bending parts of the clamping arms are rotatably connected with the loading plate through rotating shafts, one end of the clamping arm is provided with a second rubber sheet, a torsional spring is sleeved on the rotating shaft, one end of the torsional spring abuts against the loading plate, and the other end abuts against the clamping arm.