CN220636688U - Bone tissue laser cutting fixing device - Google Patents

Abstract

The utility model provides a bone tissue laser cutting fixing device, and relates to the technical field of laser cutting. Comprising the following steps: a housing provided with an installation site for placing bone tissue; a clamping assembly disposed on the housing and adapted to clamp bone tissue; a sliding member slidably disposed on the housing; the sliding piece is provided with a cutting hole for laser to pass through; a fastening assembly for securing the slider to the housing; an adsorption assembly for adsorbing the cutting waste; the adsorption component comprises a suction pump and a suction pipe; one end of the air suction pipe is communicated with the air suction pump, and the other end of the air suction pipe is fixed on the sliding piece. When in laser cutting, the sliding piece is fixed on the shell by the fastening component, the laser head is aligned with the cutting hole, and the moving surface of the laser head is positioned in the projection surface of the cutting hole during cutting; at this time, the suction pump sucks air to the surface of the bone tissue through the air suction pipe so as to suck the cutting waste on the surface of the bone tissue clean, thereby avoiding affecting laser cutting, ensuring cleaner and smoother surface of the bone tissue and improving cutting precision.

Description

Bone tissue laser cutting fixing device

Technical Field

The utility model relates to the technical field of laser cutting, in particular to a bone tissue laser cutting fixing device.

Background

In the early-stage experiment of laser clinical operation, a large number of in-vitro experiments are needed to explore the cutting parameters of laser, animal bones are pretreated to remove soft tissues on the surfaces, and then the animal bones are wrapped by silicone rubber to prepare bone tissue samples. In the cutting process, the cutting waste such as plasma, dust and the like generated on the surface of the bone tissue sample can shield part of laser, so that the laser energy reaching the surface of the bone tissue sample is changed, and then the cutting efficiency of the laser is reduced. In addition, the interference of external factors in the cutting process can also cause the deviation of the bone tissue sample, and the cutting precision of the laser is reduced. The prior art lacks a cutting fixture for removing waste material generated when cutting bone tissue.

Disclosure of Invention

The utility model aims to provide a bone tissue laser cutting fixing device, which aims to solve the problems that in the prior art, cutting waste is generated when a laser is used for cutting bone tissue, and the cutting waste is cleaned up and a shadow is not removedTechnical problem of cutting precision _。

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a bone tissue laser cutting fixing device, which comprises: a housing provided with an installation site for placing bone tissue; a clamping assembly disposed on the housing and adapted to clamp bone tissue; a sliding member slidably disposed on the housing; the sliding piece is provided with a cutting hole for laser to pass through; a fastening assembly for securing the slider to the housing; an adsorption assembly for adsorbing the cutting waste; the adsorption component comprises a suction pump and a suction pipe; one end of the air suction pipe is communicated with the air suction pump, and the other end of the air suction pipe is fixed on the sliding piece.

Preferably, the above further comprises an air blowing assembly for blowing off the cutting waste material on the bone tissue; the blowing component comprises a blowing pump and a blowing pipe; one end of the air blowing pipe is communicated with the air blowing pump, and the other end of the air blowing pipe is fixed on the sliding piece.

Preferably, the suction pump and the blowing pump are the same pump body, and the pump body is a vortex type air pump.

Preferably, the air suction pipe and the air blowing pipe are respectively positioned at two sides of the cutting hole; the air suction pipe and the air blowing pipe are obliquely arranged.

Preferably, the clamping assembly comprises a mounting plate, the mounting plate is provided with a plurality of connecting holes, the shell is provided with a plurality of threaded holes corresponding to the connecting holes, and the bolts penetrate through the mounting plate and are in threaded connection with the shell.

Preferably, the clamping assembly further comprises a first jackscrew, a guide rod and a first clamping block; the first clamping block is arranged in the shell in a sliding manner and used for propping against bone tissue; the mounting plate is provided with a mounting hole and a threaded hole matched with the first jackscrew; one end of the guide rod is connected with the first clamping block, and the other end of the guide rod is arranged in the mounting hole in a sliding manner; one end of the first jackscrew is rotationally connected with the first clamping block, and the other end of the first jackscrew is in threaded connection with the mounting plate.

Preferably, the clamping assembly further comprises at least two pairs of second jackscrews and second clamping blocks; the mounting plate is provided with a threaded hole matched with the second jackscrew; the second clamping block is used for propping against bone tissue; one end of any second jackscrew is rotationally connected with the second clamping block, and the other end is in threaded connection with the mounting plate.

Preferably, the fastening assembly comprises a third jackscrew; the shell is provided with a sliding rail matched with the sliding piece; the shell is also provided with a plurality of threaded holes matched with the third jackscrews along the sliding rail; one end of the third jackscrew stretches into the shell and is used for abutting against the sliding piece, and the other end of the third jackscrew is located outside the shell.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the clamping component is used for clamping bone tissues, and the bone tissues can be placed at the installation position in the shell; when in laser cutting, the sliding piece is fixed on the shell by the fastening component, the laser head is aligned with the cutting hole, and the moving surface of the laser head is positioned in the projection surface of the cutting hole during cutting; at the moment, the suction pump sucks air to the surface of the bone tissue through the air suction pipe so as to suck the cutting waste on the surface of the bone tissue clean, and the laser cutting is not affected; when one cutting of the bone tissue is completed, the sliding piece is moved to be aligned with the next to-be-cut position, the sliding piece is locked by the fastening component, and the laser is aligned with the cutting hole to cut. The steps are circularly operated until the bone tissue cutting is completed. The cutting process ensures that the surface of the bone tissue is clean and smooth, and improves the cutting precision.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an application scenario diagram of a bone tissue laser cutting fixture according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a bone tissue laser cutting fixture according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing the internal structure of a bone tissue laser cutting fixture according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of the structure of the blower pump and the getter pump integrated according to the embodiment of the utility model;

FIG. 5 is a schematic view of a clamping assembly according to an embodiment of the present utility model;

fig. 6 is a schematic view of another embodiment of a clamping assembly.

Icon: 100. a housing; 110. an abutment block; 200. a clamping assembly; 210. a mounting plate; 220. a first jackscrew; 230. a guide rod; 240. a first clamping block; 250. a second jackscrew; 260. a second clamping block; 300. a slider; 301. cutting a hole; 400. a fastening assembly; 410. a third jackscrew; 500. a suction assembly; 510. a getter pump; 520. an air suction pipe; 610. an air blowing pipe; 620. an air blowing pump; 700. bone tissue; 800. and (3) a laser head.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

The utility model provides a bone tissue laser cutting fixing device, referring to fig. 1-3, comprising: a housing 100 provided with a mounting site for placing bone tissue 700; a clamping assembly 200 disposed on the housing 100 and for clamping bone tissue 700; a slider 300 slidably provided in the housing 100; the slider 300 is provided with a cutting hole 301 for laser light to pass through; a fastening assembly 400 for fixing the slider 300 to the housing 100; an adsorption assembly for adsorbing the cutting waste; the adsorption assembly includes a suction pump 510 and a suction pipe 520; one end of the suction pipe 520 is communicated with the suction pump 510, and the other end is fixed to the slider 300.

In some embodiments, the housing 100 may be secured to a laser cutting table. Before cutting, the bone tissue 700 is placed at the mounting position inside the shell 100, and then the clamping assembly 200 is used for clamping and fixing the bone tissue 700, and the clamping assembly 200 is not adjusted in the whole cutting process. Moving the sliding piece 300 to a position above the position to be cut of the bone tissue 700, locking the sliding piece 300 by using the fastening assembly 400, aligning the laser head 800 with the cutting hole 301, and positioning a moving surface of the laser head 800 in a projection surface of the cutting hole 301 during cutting; at the same time of cutting, the suction pipe 520 is aligned with the position of the bone tissue 700 to be cut, one end of the suction pipe 520, which is far away from the suction pump 510, is fixed to the sliding member 300 and is located beside the cutting hole 301, and the suction pipe 520 can be made of plastic with higher hardness, so that the suction pipe 520 cannot swing in the process of absorbing the waste materials, and the suction pipe 520 cannot impact the laser head 800 or interfere with the laser, thereby influencing the cutting precision. The suction pipe 520 sucks air toward the surface of the bone tissue 700 so as to suck the cutting waste material of the surface of the bone tissue 700 clean; when one cut of bone tissue 700 is completed, the slider 300 is moved to be aligned with the next to-be-cut place, and the slider 300 is locked by the fastening assembly 400, and then cut with the laser aligned with the cutting hole 301. The above steps are repeated until the cutting of the bone tissue 700 is completed. The cutting process ensures that the surface of the bone tissue 700 is cleaner and smoother, and improves the cutting precision.

In some embodiments, referring to fig. 2, a slip hole may be provided above the housing 100, primarily for the laser and the suction pipe 520 to pass through.

In some embodiments, referring to fig. 4, an insufflation assembly is also included for blowing away the cutting waste material on the bone tissue 700; the blowing assembly includes a blowing pump 620 and a blowing pipe 610; the blowing pipe 610 has one end connected to the blowing pump 620 and the other end fixed to the slider 300.

In detail, the blowing pipe 610 and the suction pipe 520 may be located at both sides of the cutting hole 301, respectively; the air blowing component and the air suction component 500 can work simultaneously, the air blowing component blows away the cutting waste on the bone tissue 700, and then the air suction component 500 sucks away the cutting waste, so that more cutting waste on the surface of the bone tissue 700 and in the shell 100 is avoided. The air inflation tube 610 may also be made of a rigid plastic and the end of the air inflation tube 610 remote from the air inflation pump 620 is secured to the slider 300. The blowing pump 620 may be a blower.

In some embodiments, referring to fig. 4, the getter pump 510 and the insufflation pump 620 are the same pump body, which is a vortex air pump. The vortex type air pump is internally provided with a separation structure for separating the cutting waste sucked by the suction pipe 520. Compared with two independent pump bodies, the suction pump 510 and the blowing pump 620 occupy smaller space for the same pump body, and are more convenient to install.

In some embodiments, only one of the blowing assembly and the suction assembly 500 may be present, and the cutting waste material on the surface of the bone tissue 700 may be cleaned by blowing or sucking away.

In other embodiments, the suction pump 510 and the air blowing pump 620 are relatively independent, and a dust box for temporarily storing the cutting waste may be disposed between the suction pump 510 and the air suction pipe 520, and the dust box is provided with a vent hole, and the dust box structure is similar to that of a dust box in a dust collector, which belongs to the prior art and is not described herein.

In some embodiments, suction tube 520 and inflation tube 610 are located on either side of cutting hole 301; both the suction pipe 520 and the blowing pipe 610 are obliquely disposed. The suction pipe 520 and the blowing pipe 610 may be symmetrically arranged about the central axis of the slider 300; the air suction pipe 520 and the air blowing pipe 610 are each arranged obliquely to the slider 300, and the air suction pipe 520 and the air blowing pipe 610 may have an angle of 45-60 degrees with the slider 300.

In some embodiments, referring to fig. 5, the clamping assembly 200 includes a mounting plate 210, the mounting plate 210 is provided with a plurality of connection holes, and the housing 100 is provided with a plurality of threaded holes corresponding to the connection holes, and bolts pass through the mounting plate 210 and are threadedly coupled with the housing 100.

In detail, the side of the housing 100 may be provided with an opening, and the mounting plate 210 is detachably connected to the housing 100, and the mounting plate 210 is mainly used to seal the opening, thereby preventing cutting scraps from flying out of the housing 100 from the opening. When it is necessary to place the bone tissue 700, the mounting plate 210 is detached from the housing 100, the bone tissue 700 is placed at the mounting position from the side opening of the housing 100, and then the bone tissue 700 is connected to the housing 100 by using bolts through the connection holes of the mounting plate 210, and the nuts of the bolts fasten the mounting plate 210 to the side of the housing 100.

In some embodiments, referring to fig. 5, the clamping assembly 200 further includes a first jackscrew 220, a guide rod 230, and a first clamping block 240; the first clamping block 240 is slidably disposed in the housing 100 and is used for abutting against bone tissue 700; the mounting plate 210 is provided with a mounting hole and a threaded hole matched with the first jackscrew 220; one end of the guide rod 230 is connected with the first clamping block 240, and the other end is arranged in the mounting hole in a sliding manner; one end of the first jackscrew 220 is rotatably connected to the first clamping block 240, and the other end is screw-connected to the mounting plate 210.

In detail, the housing 100 may be provided with an abutment block 110 for abutment against bone tissue 700 with respect to the inner side of the mounting plate 210. When the bone tissue 700 is clamped, the first jack screw 220 is rotated, and at this time, the first jack screw 220 moves axially relative to the mounting plate 210 because the first jack screw 220 is screwed with the mounting plate 210, and the first jack screw 220 moves against the first clamping block 240 toward the abutment block 110. The first clamping block 240 may be a rectangular block, and the long side of the first clamping block 240 is parallel to the long side of the sliding hole of the housing 100, the first jackscrew 220 and the guide rod 230 may be located at two sides of the first clamping block 240, and when the first jackscrew 220 abuts against the first clamping block 240 to move, the guide rod 230 moves axially relative to the mounting plate 210, so as to avoid the inclination when the first clamping block 240 moves.

In other embodiments, referring to fig. 6, the clip assembly 200 further includes at least two pairs of a second jackscrew 250 and a second clip block 260; the mounting plate 210 is provided with a threaded hole which is matched with the second jackscrew 250; the second clamping block 260 is used for abutting against bone tissue 700; one end of any second jackscrew 250 is rotatably connected to the second clamping block 260, and the other end is threadedly connected to the mounting plate 210.

In detail, the second jackscrew 250 and the second clamping block 260 may be in a pair, and the number of the two may be two and located at both sides of the first clamping block 240, respectively. The axial distance of the two second wires 250 relative to the mounting plate 210 may be different so that the clamping assembly 200 may clamp bone tissue 700 with inclined or uneven surfaces. The second clamping block 260 can rotate together with the second jackscrew 250 when not abutting against the bone tissue 700, and the second clamping block 260 can be circular, so that the second clamping block 260 can contact with the bone tissue 700 in the same posture after rotating at any angle. The second clamping block 260 may be made of a flexible material, such as silicone, rubber, or the like.

In some embodiments, referring to fig. 4, the fastening assembly 400 includes a third jackscrew 410; the housing 100 is provided with a slide rail engaged with the slider 300; the casing 100 is further provided with a plurality of threaded holes along the sliding rail, which are matched with the third jackscrews 410; the third jackscrew 410 has one end extending into the housing 100 and for abutting against the slider 300, and the other end located outside the housing 100.

In detail, the axis of the third jack 410 may be perpendicular to the housing 100, and rotating the third jack 410 can make the lower end thereof abut against or be away from the slider 300, thereby achieving fixing or releasing of the slider 300.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (8)

1. A bone tissue laser cutting fixture, comprising:

a housing provided with an installation site for placing bone tissue;

a clamping assembly disposed on the housing for clamping bone tissue;

a slider slidably provided in the housing; the sliding piece is provided with a cutting hole for laser to pass through;

a fastening assembly for securing the slider to the housing;

an adsorption assembly for adsorbing the cutting waste; the adsorption assembly comprises a suction pump and a suction pipe; one end of the air suction pipe is communicated with the air suction pump, and the other end of the air suction pipe is fixed on the sliding piece.

2. The bone tissue laser cutting fixture of claim 1, further comprising an air blowing assembly for blowing away cutting waste material from bone tissue; the blowing assembly comprises a blowing pump and a blowing pipe; one end of the air blowing pipe is communicated with the air blowing pump, and the other end of the air blowing pipe is fixed on the sliding piece.

3. The bone tissue laser cutting fixture of claim 2, wherein the suction pump and the blow pump are the same pump body, which is a vortex air pump.

4. The bone tissue laser cutting fixture of claim 2 wherein the suction tube and the blow tube are positioned on either side of the cutting hole; the air suction pipe and the air blowing pipe are obliquely arranged.

5. The bone tissue laser cutting fixture of claim 1 wherein the clamping assembly comprises a mounting plate having a plurality of attachment holes, the housing having a plurality of threaded holes corresponding to the attachment holes, and a bolt passing through the mounting plate and threadably engaging the housing.

6. The bone tissue laser cutting fixture of claim 5 wherein the clamping assembly further comprises a first jackscrew, a guide rod, and a first clamping block; the first clamping block is arranged in the shell in a sliding manner and used for propping against bone tissue; the mounting plate is provided with a mounting hole and a threaded hole matched with the first jackscrew; one end of the guide rod is connected with the first clamping block, and the other end of the guide rod is arranged in the mounting hole in a sliding manner; one end of the first jackscrew is rotationally connected with the first clamping block, and the other end of the first jackscrew is in threaded connection with the mounting plate.

7. The bone tissue laser cutting fixture of claim 5 wherein the clamping assembly further comprises at least two pairs of a second jackscrew and a second clamping block; the mounting plate is provided with a threaded hole matched with the second jackscrew; the second clamping block is used for propping against bone tissue; one end of any second jackscrew is rotationally connected with the second clamping block, and the other end of the second jackscrew is in threaded connection with the mounting plate.

8. The bone tissue laser cutting fixture of claim 1 wherein the fastening assembly comprises a third jackscrew; the shell is provided with a sliding rail matched with the sliding piece; the shell is also provided with a plurality of threaded holes matched with the third jackscrews along the sliding rail; one end of the third jackscrew stretches into the shell and is used for abutting against the sliding piece, and the other end of the third jackscrew is located on the outer side of the shell.