CN203280471U - Novel medullary cavity expander - Google Patents
Novel medullary cavity expander Download PDFInfo
- Publication number
- CN203280471U CN203280471U CN2013203405316U CN201320340531U CN203280471U CN 203280471 U CN203280471 U CN 203280471U CN 2013203405316 U CN2013203405316 U CN 2013203405316U CN 201320340531 U CN201320340531 U CN 201320340531U CN 203280471 U CN203280471 U CN 203280471U
- Authority
- CN
- China
- Prior art keywords
- reamer
- novel
- hexagon
- bolt
- medullary cavity
- 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
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Abstract
The utility model discloses a novel medullary cavity expander. The novel medullary cavity expander comprises a wrench, a handle sleeve, a connection rod, a reamer, a reaming drill and a bolt. The novel medullary cavity expander is characterized in that the wrench and the connection rod are of an integrated structure, one end of the connection rod is connected with the wrench, the bolt is arranged at the other end of the connection rod, the connection rod is sleeved with the handle sleeve, the connection rod is fixedly connected with the reamer through the bolt, the reaming drill is arranged at one end of the reamer, and a hexagon cylinder is arranged at the other end of the reaming drill; a hexagon groove is formed in the tail end of the connection rod, the hexagon groove in the tail end of the connection rod is matched with the hexagon cylinder on the reamer, the hexagon cylinder on the reamer is provided with a through hole, the top of the bolt is hexagon, a screw cap on the bolt is hexagon, and the handle sleeve is provide with an arc groove. The novel medullary cavity expander is reasonable in design, simple in structure and convenient to use.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of novel medullary cavity enlarging device.
Background technology
In long-term clinical practice, the use of the interior technique for fixing of intramedullary needle is increasingly extensive, but pulp cavity reaming apparatus still has weak point, and the widely used medullary cavity enlarging device stability of institute is inadequate at present, easily causes deflection, can cause intramedullary needle malposition in pulp cavity.
The utility model content
In view of the foregoing, this utility model provides a kind of novel medullary cavity enlarging device, and connecting rod 3 is provided with handle jacket 2, and left hand is held sleeve, can guarantee the stability of medullary cavity enlarging device.
To achieve these goals, the technical solution of employing is this utility model:
a kind of novel medullary cavity enlarging device, comprise: spanner 1, handle jacket 2, connecting rod 3, reamer 4, strand bores 5, bolt 6, it is characterized in that: spanner 1 is the integral type structure with connecting rod 3, connecting rod 3 one ends are connected with spanner 1, the other end is provided with bolt 6, handle jacket 2 is enclosed within on connecting rod 3, connecting rod 3 is bolted to connection with reamer 4, reamer 4 one ends bore 5 for strand, reamer 4 other ends are the hexagon cylinder, connecting rod 3 ends are provided with hexagonal indentations, the hexagonal indentations of connecting rod 3 ends and the hexagon cylinder on reamer 4 coincide, hexagon cylinder on reamer 4 is provided with through hole, bolt 6 tops are hexagon, cap nut on bolt 6 is hexagon, handle jacket 2 is provided with arc groove.
The beneficial effect that this utility model can produce: reasonable in design, simple in structure, easy to use.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
The specific embodiment
In conjunction with Fig. 1, present embodiment is described, a kind of novel medullary cavity enlarging device, comprise: spanner 1, handle jacket 2, connecting rod 3, reamer 4, strand brill 5, bolt 6, wherein, spanner 1 is the integral type structure with connecting rod 3, connecting rod 3 one ends are connected with spanner 1, the other end is provided with bolt 6, and handle jacket 2 is enclosed within on connecting rod 3, and connecting rod 3 is bolted to connection with reamer 4, reamer 4 one ends bore 5 for strand, and reamer 4 other ends are the hexagon cylinder.
In this utility model, connecting rod 3 ends are provided with hexagonal indentations, the hexagonal indentations of connecting rod 3 ends and the hexagon cylinder on reamer 4 coincide, hexagon cylinder on reamer 4 is provided with through hole, bolt 6 tops are hexagon, cap nut on bolt 6 is hexagon, and handle jacket 2 is provided with arc groove.
During use, hexagon cylinder on reamer 4 inserts in the hexagonal indentations of connecting rod 3 ends, is tightened after bolt 6 is passed through hole on the hexagon cylinder, left hand is held handle jacket 2, and the right hand is held spanner 1, can carry out reaming, good stability, accurate positioning.
Certainly; above-mentioned explanation is not to restriction of the present utility model; this utility model also is not limited in above-mentioned giving an example, and those skilled in the art make in essential scope of the present utility model variation, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (5)
1. novel medullary cavity enlarging device, comprise: spanner (1), handle jacket (2), connecting rod (3), reamer (4), strand are bored (5), bolt (6), it is characterized in that: spanner (1) is the integral type structure with connecting rod (3), connecting rod (3) one ends are connected with spanner (1), the other end is provided with bolt (6), handle jacket (2) is enclosed within on connecting rod (3), connecting rod (3) is bolted to connection with reamer (4), reamer (4) one ends bore (5) for strand, and reamer (4) other end is the hexagon cylinder.
2. a kind of novel medullary cavity enlarging device according to claim 1, it is characterized in that: connecting rod (3) end is provided with hexagonal indentations, and the hexagonal indentations of connecting rod (3) end and the hexagon cylinder on reamer (4) coincide.
3. a kind of novel medullary cavity enlarging device according to claim 1, it is characterized in that: the hexagon cylinder on reamer (4) is provided with through hole.
4. a kind of novel medullary cavity enlarging device according to claim 1, it is characterized in that: bolt (6) top is hexagon, and the cap nut on bolt (6) is hexagon.
5. a kind of novel medullary cavity enlarging device according to claim 1, it is characterized in that: handle jacket (2) is provided with arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203405316U CN203280471U (en) | 2013-06-14 | 2013-06-14 | Novel medullary cavity expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203405316U CN203280471U (en) | 2013-06-14 | 2013-06-14 | Novel medullary cavity expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203280471U true CN203280471U (en) | 2013-11-13 |
Family
ID=49536855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203405316U Expired - Fee Related CN203280471U (en) | 2013-06-14 | 2013-06-14 | Novel medullary cavity expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203280471U (en) |
-
2013
- 2013-06-14 CN CN2013203405316U patent/CN203280471U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20150614 |
|
| EXPY | Termination of patent right or utility model |