CN201806754U - Special drilling tool for preparing cartilage defect model - Google Patents
Special drilling tool for preparing cartilage defect model Download PDFInfo
- Publication number
- CN201806754U CN201806754U CN2010205593195U CN201020559319U CN201806754U CN 201806754 U CN201806754 U CN 201806754U CN 2010205593195 U CN2010205593195 U CN 2010205593195U CN 201020559319 U CN201020559319 U CN 201020559319U CN 201806754 U CN201806754 U CN 201806754U
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- sleeve pipe
- cartilage defect
- cartilage
- defect model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a special drilling tool for preparing a cartilage defect model. The special drilling tool comprises a drill rod and a sleeve, one end of the drill rod extends into the sleeve and is in rotating fit with the sleeve, the end face of the end of the drill rod extending into the sleeve is provided with a drill bit, the drill rod is provided with a limit stop for limiting the length of the drill rod extending into the sleeve, and the length from the limit stop to the drill bit is greater than the length of the sleeve. The special drilling tool for preparing the cartilage defect model prepares the cartilage defect model by adopting the match of the drill rod and the sleeve; and because the drill rod is provided with the limit stop and only rotated to be stopped by the limit stop during drilling, the defect depth and area can be accurately controlled, errors caused by human operations are reduced, and the repeatability is good.
Description
Technical field
This utility model relates to a kind of instrument for preparing the cartilage defect model, is specifically related to a kind of preparation cartilage defect model specific drilling tool.
Background technology
Articular cartilage belongs to hyaline cartilage, and tissue metabolism's activity is lower, the cartilage injury due to wound and the operation etc. or damagedly be difficult to self-regeneration or filled alternative with fibrous cartilage, fibrous tissue.For the cartilage regeneration surface, recover function of joint, people adopt various animals usually, and simulation clinical practice situation is studied, animal model is in the clinical cartilage injury's situation of simulation, and the advantage of more various restorative procedures and potential problem aspect still have great value.
But the zoopery result usually is difficult to repetition, an important anthropic factor is exactly that the cartilage defect Preparation of model there are differences, the existing preparation mode is to beat circular port with bone drill or dental burr, or scrape bone with scalpel, with operator's feel control, depth size is difficult to accurate control to these methods entirely.And cartilage injury's the degree of depth and area are the key factors of determining to repair reaction, so the difference of cartilage defect model directly causes the zoopery poor repeatability.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of preparation cartilage defect model specific drilling tool, can accurately control the damaged degree of depth and the area of cartilage defect model, reduces the error that manual operation brings, good reproducibility.
Preparation cartilage defect model specific drilling tool of the present utility model, comprise drilling rod and sleeve pipe, described drilling rod one end stretches into described sleeve pipe and is rotatably assorted with sleeve pipe, described drilling rod stretches into a telescopic end end face and is provided with drill bit, described drilling rod is provided with and is used to limit the positive stop that drilling rod stretches into casing length, described positive stop to the length of drill bit greater than casing length.
Further, described drill bit is a blade, and the knife back of described blade and drilling rod stretch into a telescopic end end face and radially be connected and extend to the center from the drilling rod end face edge;
Further, described blade is six and is the symmetrical centre symmetric arrays with the drilling rod central axis;
Further, described sleeve pipe is provided with the locating pin that is used to insert cartilage with the end face that contacts of cartilage;
Further, described drilling rod stretches on the telescopic end end face and has the hole that is used to hold the cartilage chip;
Further, described drilling rod is provided with handle.
The beneficial effects of the utility model are: preparation cartilage defect model specific drilling tool of the present utility model adopts drilling rod and sleeve pipe to prepare the cartilage defect model, owing on drilling rod, be provided with positive stop, end in the time of only need forwarding limited block during boring to and stop, make the damaged degree of depth and area accurately to control, reduce the error that manual operation brings, good reproducibility; In addition, the locating pin of box face also can play pinpoint effect, prevents to skid in the boring procedure and be shifted, and is easy to operate.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing this utility model is described in further detail, wherein:
Fig. 1 prepares the structural representation of cartilage defect model initial state for using this utility model;
Fig. 2 prepares the structural representation of cartilage defect model done state for using this utility model;
The structural representation of Fig. 3 telescopic end end face for drilling rod stretches into;
The cartilage defect structure of models sketch map that Fig. 4 finishes for preparation.
The specific embodiment
As shown in the figure, preparation cartilage defect model specific drilling tool of the present utility model, comprise drilling rod 1 and sleeve pipe 2, described drilling rod 1 one ends stretch into described sleeve pipe 2 and are rotatably assorted with sleeve pipe 2, the end end face that described drilling rod 1 stretches into sleeve pipe 2 is provided with drill bit, described drilling rod 1 is provided with and is used to limit the positive stop 4 that drilling rod 1 stretches into sleeve pipe 2 length, described positive stop 4 to the length of drill bit greater than sleeve pipe 2 length; During preparation cartilage defect model, sleeve pipe 2 one ends are placed on 5 of the cartilages, after having an end of drill bit to stretch into sleeve pipe 2 drilling rod 1, firmly rotate drilling rod 1, make drill bit blend the cartilage 5 of contact with it, make damaged, stop up to limited block 4, end in the time of can not going deep into, so use same set of drilling tool in the repeated experiments, can guarantee that the damaged model degree of depth and the area that prepare are constant, good reproducibility.
In the present embodiment, described drill bit is a blade 3, and the end end face that the knife back of described blade 3 and drilling rod 1 stretch into sleeve pipe 2 radially is connected and extends to center (as shown in Figure 3) from drilling rod 1 end face edge; Such blade 3 designs can be prepared the round defect face with the identical size of drilling rod 1 end face; Certainly blade also can be designed as other shapes and size, but for same set of drilling tool, the damaged face of preparing can not become; Described drill bit also can be other sharp cutting elements.
In the present embodiment, described blade 3 is six and is symmetrical centre symmetric arrays (as shown in Figure 3) with drilling rod 1 central axis; Be symmetrical arranged six blades 3, can accelerate penetration rate, improve preparation efficiency; Can also be designed to four, eight, ten of symmetric arrays etc.
In the present embodiment, described sleeve pipe 2 is provided with the locating pin 6 that is used to insert cartilage 5 with the end face that contacts of cartilage 5; Locating pin 6 is inserted cartilage 5 surfaces, can accurately locate, and prevents to skid in the boring procedure and be shifted, and is easy to operate; Locating pin 6 can circumferentially be provided with a plurality of along sleeve pipe 2 end faces.
In the present embodiment, described drilling rod 1 stretch into have on the telescopic end end face be used to hold the cartilage chip hole 7(as shown in Figure 3); When boring was dark, the cartilage chip was also more, and may hold the cartilage chip intermittence between the blade 3 inadequately, so the cartilage chip can be pressed against in the hole 7, prevented that the cartilage chip from hindering boring.
In the present embodiment, described drilling rod 1 is provided with handle 8; 8 borings of operator grasps handle, comparatively laborsaving, easy to operate.
During use, locating pin on sleeve pipe 2 end faces 6 is inserted cartilage 5 surfaces, and drilling rod 1 has an end of blade 3 to stretch into sleeve pipe 2 backs (as shown in Figure 1), firmly rotates drilling rod 1, make blade 3 blend the cartilage 5 of contact with it, make damagedly, stop, end (as shown in Figure 2) in the time of can not going deep into up to limited block 4, in repeated experiments, use same set of drilling tool, the damaged model degree of depth and the area of preparation are constant, good reproducibility, as shown in Figure 4.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although by this utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and the spirit and scope of the present utility model that do not depart from appended claims and limited.
Claims (6)
1. prepare cartilage defect model specific drilling tool, it is characterized in that: comprise drilling rod (1) and sleeve pipe (2), described drilling rod (1) one end stretches into described sleeve pipe (2) and is rotatably assorted with sleeve pipe (2), the end end face that described drilling rod (1) stretches into sleeve pipe (2) is provided with drill bit, described drilling rod (1) is provided with and is used to limit the positive stop (4) that drilling rod (1) stretches into sleeve pipe (2) length, described positive stop (4) to the length of drill bit greater than sleeve pipe (2) length.
2. preparation cartilage defect model specific drilling tool according to claim 1, it is characterized in that: described drill bit is blade (3), and the end end face that the knife back of described blade (3) and drilling rod (1) stretch into sleeve pipe (2) radially is connected and extends to the center from drilling rod (1) end face edge.
3. preparation cartilage defect model specific drilling tool according to claim 2 is characterized in that: described blade (3) is six and is the symmetrical centre symmetric arrays with drilling rod (1) central axis.
4. preparation cartilage defect model specific drilling tool according to claim 3 is characterized in that: described sleeve pipe (2) is provided with the locating pin (6) that is used to insert cartilage (5) with the end face that contacts of cartilage (5).
5. preparation cartilage defect model specific drilling tool according to claim 4 is characterized in that: described drilling rod (1) stretches on the end end face of sleeve pipe (2) and has the hole (7) that is used to hold the cartilage chip.
6. preparation cartilage defect model specific drilling tool according to claim 5, it is characterized in that: described drilling rod (1) is provided with handle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205593195U CN201806754U (en) | 2010-10-13 | 2010-10-13 | Special drilling tool for preparing cartilage defect model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205593195U CN201806754U (en) | 2010-10-13 | 2010-10-13 | Special drilling tool for preparing cartilage defect model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201806754U true CN201806754U (en) | 2011-04-27 |
Family
ID=43889712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205593195U Expired - Fee Related CN201806754U (en) | 2010-10-13 | 2010-10-13 | Special drilling tool for preparing cartilage defect model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201806754U (en) |
-
2010
- 2010-10-13 CN CN2010205593195U patent/CN201806754U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210533764U (en) | Depth-fixed soil sampler | |
| JP2016503695A (en) | Dental drill bit | |
| CN103142320A (en) | Operation guidance device for core drill of dental implanting system, manufacturing and using methods of operation guidance device | |
| US20140127640A1 (en) | Dental drill bit system and method | |
| CN106725718A (en) | Broken harvesting of bone is bored | |
| CN105806651A (en) | Sampling device for analyzing tree rings | |
| CN107174295B (en) | Bone tumor biopsy system | |
| CN201806754U (en) | Special drilling tool for preparing cartilage defect model | |
| CN201970361U (en) | Cartilage-drilling bradawl for animal experiment | |
| CN205015180U (en) | Soil microorganism sample collection instrument | |
| CN202104982U (en) | Orthopedics grinding drill capable of changing directions | |
| CN110269662A (en) | Take bone tool | |
| CN203634245U (en) | Orthopedic department drill | |
| CN205198111U (en) | Get bone device | |
| CN207575190U (en) | The cutter of minimally invasive bone tissue surgical apparatus | |
| CN201987616U (en) | Manufacturing tool for articular cartilage coloboma | |
| CN115046797A (en) | Surveying and sampling device and method for geotechnical engineering | |
| CN211433034U (en) | Skin perforator for general surgery department | |
| CN213283196U (en) | Reaming device for orthopedics | |
| CN210612257U (en) | Oral cavity drill bit | |
| CN204863357U (en) | Locating lever in thighbone marrow | |
| CN202619770U (en) | Medical peach-shaped abrasive drill | |
| CN205889574U (en) | Wall line box hole start bit structure | |
| CN204600612U (en) | Versatile bone operation knife | |
| CN219782765U (en) | Dental ring cutter with lateral outlet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20111013 |