CN102335032A

CN102335032A - Bone taking device

Info

Publication number: CN102335032A
Application number: CN201010238654XA
Authority: CN
Inventors: 张文开
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-26
Filing date: 2010-07-26
Publication date: 2012-02-01
Anticipated expiration: 2030-07-26
Also published as: CN102335032B

Abstract

The invention relates to a bone taking device which comprises a bone cutting unit, a transmission unit and a pulverizing unit, wherein the bone cutting unit is arranged in a mode of connecting with one end of the transmission unit; an electric unit and a rotation unit are arranged in the transmission unit; two ends of the transmission unit are a bone cutting end and a pulverizing end; the bone cutting end is connected with a bone cutter; and the pulverizing end is connected with a pulverizing cutter. The design purpose of the invention is to cut and take cortical bones on bones; and the bone taking device has the characteristics that: bones can be placed in the bone cutting unit and retrieved by virtue of the action of the bone cutter, and the cut bones are transmitted to the pulverizing unit for pulverizing, thereby reducing the infection opportunity, and greatly shortening the operation time and improving the operation quality.

Description

Get bone device

Technical field

The present invention relates to the bone taking device of a kind of bone surgery, experiment usefulness, especially about periosteum being cut stripping and the convenient means of the spongy bone that reveals, for after obtaining spongy bone, smashing or cut little bulk again to pieces in order to the application in orthopaedics implantation surgery or the experiment.

Background technology

In the running of medical care system, not from Prevention is better than cure, especially pay attention to most prevention infection in the operation generally with bone surgery, if because of infecting accidentally, it will cause the healing difficulty property increase of fracture, to patient body also quite consume.

Clinical orthopaedics has many different situations; Such as: fracture, dislocation, arthritis, congenital distortion, tumor, degenerative disorders etc.; Some patient's condition can adopt conservative treatment; As take medicine or rehabilitation gets final product, but some patient's condition still needs active treatment can reach the purpose that the patient's condition is improved, as operates on operative treatment, displacement or transplant operation etc.

The bone transplant operation is that the skeleton of obtaining from elsewhere (supplying the bone place) is transferred to another position (bone grafting place).Traditionally; The purpose of employing bone grafting is to promote the healing situation of skeleton, so that enough intensity to be provided, as promoting the firm healing of fracture; Arthrodesis; Spinal fusion is filled the reconstruction etc. of cavity, tumor resection or the wound limbs of the tumor that cuts bone, and makes the sufferer limbs have function well.

And the above-mentioned bone mode of getting can be divided in vivo and in vitro two types; In vivo get bone; Promptly have sponge bone place to get bone in human body, its acquisition place is many at tibia front end or ilium ridge place, for knocking the os osseum on surface open separation earlier; Expose the sponge bone and dig out and collect subsequent use; It is limited that the bone that this mode can be taken owing to sufferer is afterwards transplanted number of blocks, and cause inflammation or complication easily, therefore develops technology such as in vitro to get bone separately.

Live body treatment with external measures bone: promptly so-called bone separates the parent from human body; But still can continue to cultivate survival; And can be made for to mending bone and use; The bone of depositing that Here it is gets " bone bank " (BONE BANK) comes the live body treatment with external measures bone as bone grafting, and promptly present alleged " bone bank " of frozen bone bank (BONE BANK) is the freezing cabinet of a 40 degrees below zero, and its function is: can be with the bone that is downcut; Add after handling via the screening of infectious disease and the strictness of giving multiple formalities such as freezing, drying, radiation again give frozen; Reduce its antigenicity, reducing rejection, and confirm that noninductive catching an illness just can use after former; It frozen bone promptly be an aseptic bone rigid piece, very ice-cold and hard after taking-up, decorticate bone and the stripping and slicing of generally after taking-up, being not suitable for using immediately, also need thawing can be used.

And the techno-absence of live body treatment with external measures bone is after taking out bone by bone bank now; And must can get bone via the supervisor that thaws; But this program takes 15～20 minutes at least; And must constantly change deionized water in the process to reduce osteocyte death or to infect, more need progressively cut afterwards and get cortical bone, can cut or fragmentation spongy bone with manual work.

In addition, in the operation of now cartilage, also can cut and be made for In vitro culture after getting by bone surface; Directly plant go back to the affected part after the cultivation or be made for organizational project and use, but as aforementioned program, the artificial mode of getting of progressively cutting of serving as reasons more; Time and effort consuming not only, and more increase risk of bacterial infections.

So how improve to this above-mentioned disappearance, for the present inventor for desiring most ardently the purpose that reaches, benefit with this and to execute patient and vast sufferer.

Summary of the invention

The objective of the invention is to design a kind of bone device of getting that can use and reduce the bacterial infection chance fast.

The present invention is a kind of bone device of getting based on above-mentioned purpose, and it comprises: one cuts osteon, a gear unit and a pulverizing unit;

This cuts osteon, this cut osteon be tubular and in be provided with one first accommodation space, and these two ends of cutting osteon have a link and a bearing end respectively;

This gear unit; This gear unit be tubular and in be provided with one second accommodation space; And the two ends of this gear unit are respectively equipped with one and cut an epiphysis and a pulverizing end, and this second accommodation space supplies a power unit and at least one rotating unit to link setting, and this cuts epiphysis and this link of cutting osteon links setting; And this is cut epiphysis and links and to be provided with one and to cut the osteotome tool and be located in this first accommodation space, and this pulverizings end then binding is provided with a crushing knife tool;

This pulverizes the unit; This pulverizing unit be tubular and in be provided with one the 3rd accommodation space; The 3rd accommodation space supplies this crushing knife tool to be installed with, and the unitary two ends of this pulverizings have a link and a blind end respectively, and should pulverize the unit and hold the binding setting through this link and this pulverizing.

Rely on technique scheme, the present invention is a kind of bone device of getting, and its bone to be got puts and is placed in this this first accommodation space of cutting osteon; And cut the osteotome tool with this and contact; And,, wait to cut after the bone program accomplishes bone is cut the bone program by this gear unit transmission; Spongy bone is taken out and is placed in this pulverizing unit, carry out blockization or pulverization program with this crushing knife tool again.

The advantage that the present invention had is: use not only can integral body carries out disinfection; And for the freezing bone that is taken out by bone bank, can directly cut easily the stripping outer cortical bone and capture in the bone spongy bone use for operative treatment, in this way; Can actively reduce expending of manpower and time; More can significantly reduce the chance of bacterial infection, operation quality and front and back for the patient all can reach perfect looking after.

Description of drawings

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

Fig. 2 is a stereoscopic sketch map of the present invention;

Fig. 3 is a volume rendering sketch map of the present invention;

Fig. 4 is a generalized section of the present invention;

Fig. 5 is a decomposing schematic representation of the present invention;

Fig. 6 is a use sketch map of the present invention.

Description of reference numerals: 10-cuts osteon; 11-first accommodation space; The 12-link; The 13-bearing end; The 14-plummer; The 20-gear unit; 21-second accommodation space; 22-cuts epiphysis; 221-first opening; 23-pulverizes end; 231-second opening; The 24-power unit; The 241-switch; The 25-rotating unit; 26-cuts the osteotome tool; The 27-crushing knife tool; The 28-wire element; 29-electric power opening; 30-pulverizes the unit; 31-the 3rd accommodation space; The 32-link; The 33-blind end.

The specific embodiment

Now relevant detailed content of the present invention and technical descriptioon are described further with embodiment, but will be appreciated that these embodiment are merely the purposes that illustrates, and should not be interpreted as the restriction that the present invention implements at present.

See also Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; Be schematic side view of the present invention, stereoscopic sketch map, volume rendering sketch map, generalized section and decomposing schematic representation; The present invention is a kind of bone device of getting, and it comprises: one cuts osteon 10, at least one gear unit 20 and a pulverizing unit 30; This cut osteon 10 for tubular and in be provided with one first accommodation space 11, and these two ends of cutting osteon 10 have a link 12 and a bearing end 13 respectively.

This gear unit 20 for tubular and in be provided with one second accommodation space 21; And the two ends of this gear unit 20 are respectively equipped with one and cut epiphysis 22 and and pulverize end 23; This second accommodation space 21 supplies a power unit 24 and at least one rotating unit 25 to link setting; And this is cut epiphysis 22 and links with this link 12 of cutting osteon 10 and be provided with, and this cuts epiphysis 22 and link and be provided with one and cut osteotome tool 26 and be located in this first accommodation space 11, and this pulverizings holds 23 bindings to be provided with a crushing knife tool 27; Wherein, This cuts epiphysis 22 and this pulverizing end 23 offers one first opening 221 and one second opening 231 respectively, and these first opening, 221 these rotating units 25 of confession and this are cut 26 bindings of osteotome tool and worn, and this second opening 231 then supplies this rotating unit 25 and this crushing knife tool 27 bindings to wear.

In the foregoing, this power unit 24 links with this rotating unit 25 and is provided with, the power supply mode of this power unit 24 be selected from battery powered and line powered any or its combine; When this power unit 24 is the line powered mode; Then this gear unit 20 links and is provided with a wire element 28, and this gear unit 20 offers an electric power opening 29 and be provided with for this wire element 28, and this power unit 24 links and is provided with a switch 241; In addition, this rotating unit 25 is a motor.

This pulverizing unit 30 for tubular and in be provided with one the 3rd accommodation space 31; The 3rd accommodation space 31 supplies this crushing knife tool 27 to be installed with; And the two ends of this pulverizing unit 30 have a link 32 and a blind end 33 respectively, and should pulverize unit 30 and pulverize end 23 through this link 32 and this and link and be provided with.

Please consult Fig. 4 and shown in Figure 6 more in the lump; Fig. 6 is a use sketch map of the present invention; Wherein wait to cut the bone of getting and put a plummer 14 that is placed in this bearing end 13; And with this first accommodation space 11 in this cut osteotome tool 26 and contact, for the action of peeling of this cortical bone of cutting 26 pairs of bones of osteotome tool.

Because the sponge bone is all contained at the nearly joint end of human body long bone place, generally, live body adds the bone (cutting off) that the bone position of giving cold preservation includes 1. both sides humerus after taking off in addition in head of humerus; 2. the femoral head of both sides femur (cutting off in the neck of femur place) is all complete is nearly spherical in addition aseptic cold preservation.

Because the surgical technic progress, more hospital is arranged in recent years even contain sponge bone place like distal humerus at other; DF; Pelvis ridge piece (being ilium); Proximal tibia ... etc., prerequisite stripping and slicing of the following time storage that is being fit to take off.

Yet; The present invention is placed in this for bone that will be to be got is sheathed and cuts in the osteon 10; And,, cut after the bone program accomplishes bone is cut the bone program by these gear unit 20 transmissions; Spongy bone is taken out and is placed in this pulverizing unit 30, carry out blockization or pulverization program with this crushing knife tool 27 again.

The advantage that the present invention had is: the present invention not only can be with the integral article use that carries out disinfection; And for the freezing bone that is taken out by bone bank, can directly cut easily the stripping outer cortical bone and capture in the bone spongy bone use for operative treatment, in this way; Can actively reduce expending of manpower and time; More can significantly reduce the chance of bacterial infection, operation quality and front and back for the patient all can reach perfect looking after.

Only above-mentionedly being merely preferred embodiment of the present invention, is not to be used for limiting the scope that the present invention implements.Be that all equalizations of doing according to claim of the present invention change and modification, be all claim of the present invention and contain.

Claims

1. get bone device for one kind, it is characterized in that, include:

One cuts osteon, this cut osteon be tubular and in be provided with one first accommodation space, and these two ends of cutting osteon have a link and a bearing end respectively;

One gear unit; This gear unit be tubular and in be provided with one second accommodation space; And the two ends of this gear unit are respectively equipped with one and cut an epiphysis and a pulverizing end, and this second accommodation space supplies a power unit and at least one rotating unit to link setting, and this cuts epiphysis and this link of cutting osteon links setting; And this is cut epiphysis and links and to be provided with one and to cut the osteotome tool and be located in this first accommodation space, and this pulverizings end then binding is provided with a crushing knife tool; And

One pulverizing unit; This pulverizing unit be tubular and in be provided with one the 3rd accommodation space; The 3rd accommodation space supplies this crushing knife tool to be installed with, and the unitary two ends of this pulverizings have a link and a blind end respectively, and should pulverize the unit and hold the binding setting through this link and this pulverizing.

2. the bone device of getting as claimed in claim 1 is characterized in that, bone is put ccontaining by a plummer of this bearing end, and with this first accommodation space in this cut the osteotome tool and contact, cut the osteotome tool to the action of peeling of the cortical bone of bone for this.

3. the bone device of getting as claimed in claim 1 is characterized in that, the power supply mode of this power unit be selected from battery powered and line powered any or its combine.

4. the bone device of getting as claimed in claim 1 is characterized in that this power unit is the line powered mode, and then this gear unit binding is provided with a wire element, and this gear unit offers an electric power opening for this wire element setting.

5. the bone device of getting as claimed in claim 1 is characterized in that this rotating unit is a motor.

6. the bone device of getting as claimed in claim 1; It is characterized in that; This cuts epiphysis and this pulverizing end offers one first opening and one second opening respectively; This first opening this rotating unit of confession and this are cut the binding of osteotome tool and are worn, and this second opening then supplies this rotating unit and the binding of this crushing knife tool to wear.

7. the bone device of getting as claimed in claim 1 is characterized in that, this power unit binding is provided with a switch.