CN212996628U - Medullary cavity file convenient for observing depth of medullary cavity - Google Patents
Medullary cavity file convenient for observing depth of medullary cavity Download PDFInfo
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- CN212996628U CN212996628U CN202020943412.XU CN202020943412U CN212996628U CN 212996628 U CN212996628 U CN 212996628U CN 202020943412 U CN202020943412 U CN 202020943412U CN 212996628 U CN212996628 U CN 212996628U
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Abstract
The utility model belongs to the technical field of the pulp cavity file technique and specifically relates to a pulp cavity file convenient to observe and squeeze into pulp cavity degree of depth, including the file body, first scale groove and second scale groove have been seted up to the upper end of file side, the utility model discloses utilize the side of the file body to use the reference column to add first scale groove and second scale groove as the benchmark, the position of first scale groove is regarded as the depth that old crowd need squeeze into pulp cavity, and the second scale groove then is regarded as the depth that young crowd need squeeze into pulp cavity to can provide the direct judgement basis that pulp cavity degree of depth was squeezed into to the pulp cavity for the doctor, be favorable to the accurate pulp cavity file of doctor squeeze into to predetermineeing the degree of depth, reduce doctor's the operation degree of difficulty, the smooth of the operation of being convenient for goes on.
Description
Technical Field
The utility model belongs to the technical field of the pulp cavity file technique and specifically relates to a pulp cavity file convenient to observe and squeeze into pulp cavity degree of depth.
Background
The hip joint is one of the largest and most stable joints of a human body, belongs to a typical ball joint and mortar joint, and in the artificial hip joint replacement operation, before a femoral stem prosthesis is implanted into a femoral medullary cavity, the medullary cavity needs to be filed; specifically, during operation, a proper intramedullary canal file is selected firstly, then the intramedullary canal file extractor is clamped in a locking groove of the intramedullary canal file, and the intramedullary canal file extractor is knocked by a tool such as a hammer, so that the intramedullary canal file can be driven into or extracted from an intramedullary canal of a femur.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problem that the depth of the medullary cavity file which is driven into the medullary cavity in the prior art is difficult to be accurately and visually judged, so that great trouble is brought in the actual operation process, and the use is inconvenient, the medullary cavity file which is convenient for observing the depth of the driven medullary cavity is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a pulp cavity file convenient to observe and squeeze into pulp cavity degree of depth, includes the file body, the top end face of the file body has the reference column, the bottom of the file body has toper portion, first scale groove and second scale groove have been seted up to the upper end of the side of the file body, first scale groove and second scale groove all set up with the axis of reference column is perpendicular, first scale groove is along the axis direction of reference column to the interval L1 of file body top end face equal the groove width L2 in first scale groove, first scale groove is along the axis direction of reference column to the interval L3 in second scale groove equal the groove width L2 in first scale groove, the groove width L4 in second scale groove equal the groove width L2 in first scale groove.
Further, the groove width L2 of the first scale groove is 2 mm.
Furthermore, a plurality of first straight plate parts and a plurality of second straight plate parts which are arranged in parallel are protruded outwards from the side surface of the file body, the first straight plate parts and the second straight plate parts are arranged in a mutually crossed mode to form a plurality of chip grooves, and a plurality of annular cutting teeth are distributed on the outer peripheral surface of the conical part at equal intervals along the linear direction of the conical part; utilize first straight board portion and second straight board portion intercrossing to set up and can form a plurality of chip pockets to carry the bone bits that the cutting produced outside the pulp cavity, a plurality of annular cutting teeth on the toper portion outer peripheral face can be better carry out file processing to the pulp cavity bottom.
The utility model has the advantages that: the utility model discloses the intramedullary canal file convenient to observe and squeeze into the depth of intramedullary canal utilizes and uses the reference column as the benchmark to add first scale groove and second scale groove in the side of the file body, and the position of first scale groove is as the depth that old people need squeeze into the intramedullary canal, and the second scale groove is as the depth that young people need squeeze into the intramedullary canal, thereby can provide the direct judgement basis that the intramedullary canal file squeezed into the depth of intramedullary canal for the doctor, be favorable to the doctor accurately squeeze into the intramedullary canal file to preset the depth, reduce doctor's the operation degree of difficulty, be convenient for going on smoothly of operation; and the distance from the first scale groove to the end face of the top end of the file body, the groove width of the first scale groove, the distance from the first scale groove to the second scale groove and the groove width of the second scale groove are equal, so that a doctor can conveniently judge the depth of the current medullary cavity file into the medullary cavity by taking the first scale groove and the second scale groove as references.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of a intramedullary canal file of the present invention facilitating viewing of the depth of penetration into the intramedullary canal;
FIG. 2 is an enlarged partial schematic view of A of FIG. 1;
fig. 3 is a partially enlarged schematic view of B in fig. 1.
In the figure: 1. the file comprises a file body, 1-1 parts, a first scale groove, 1-2 parts, a second scale groove, 1-3 parts, a first straight plate part, 1-4 parts, a second straight plate part, 1-5 parts, a chip groove, 2 parts, a positioning column, 3 parts, a conical part, 3-1 parts and cutting teeth;
l1: the first scale groove is spaced from the end face of the top end of the file body along the axis direction of the positioning column;
l2: the groove width of the first scale groove;
l3: the distance from the first scale groove to the second scale groove along the axis direction of the positioning column;
l4: the groove width of the first scale groove.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-3, a medullary cavity file convenient for observing the depth of the medullary cavity is provided, which comprises a file body 1, the top end surface of the file body 1 is provided with a positioning column 2, the bottom end of the file body 1 is provided with a conical part 3, the upper end of the side surface of the file body 1 is provided with a first scale groove 1-1 and a second scale groove 1-2, the first scale groove 1-1 and the second scale groove 1-2 are both arranged perpendicular to the axis of the positioning column 2, the distance L1 from the first scale groove 1-1 to the top end surface of the file body 1 along the axial direction of the positioning column 2 is equal to the groove width L2 of the first scale groove 1-1, the distance L3 from the first scale groove 1-1 to the second scale groove 1-2 along the axial direction of the positioning column 2 is equal to the groove width L2 of the first scale groove 1-1, the groove width L4 of the second scale groove 1-2 is equal to the groove width L2 of the first scale groove 1-1.
The groove width L2 of the first scale groove 1-1 is 2 mm.
A plurality of first straight plate parts 1-3 arranged in parallel and a plurality of second straight plate parts 1-4 arranged in parallel are protruded outwards from the side surface of the file body 1, the first straight plate parts 1-3 and the second straight plate parts 1-4 are arranged in a mutually crossed mode to form a plurality of chip grooves 1-5, and a plurality of annular cutting teeth 3-1 are distributed on the outer peripheral surface of the conical part 3 at equal intervals along the linear direction of the conical part; a plurality of chip grooves 1-5 can be formed by mutually crossing the first straight plate part 1-3 and the second straight plate part 1-4, so that bone chips generated by cutting can be carried out of the medullary cavity, and the plurality of annular cutting teeth 3-1 on the outer peripheral surface of the conical part 3 can better file the bottom of the medullary cavity.
Compared with the prior art, the intramedullary canal file convenient for observing the depth of the intramedullary canal is characterized in that the first scale groove 1-1 and the second scale groove 1-2 are additionally arranged on the side surface of the file body 1 by taking the positioning column 2 as a reference, the position of the first scale groove 1-1 is used as the depth of the old people needing to be driven into the intramedullary canal, and the second scale groove 1-2 is used as the depth of the young people needing to be driven into the intramedullary canal, so that a direct judgment basis for the depth of the intramedullary canal file driven into the intramedullary canal can be provided for a doctor, the accurate driving of the intramedullary canal file into the preset depth by the doctor is facilitated, the operation difficulty of the doctor is reduced, and the smooth operation is facilitated; and the distance from the first scale groove 1-1 to the end surface of the top end of the file body 1, the groove width of the first scale groove 1-1, the distance from the first scale groove 1-1 to the second scale groove 1-2 and the groove width of the second scale groove 1-2 are equal, so that a doctor can conveniently judge the depth of the current medullary cavity in which the file is driven into the medullary cavity by taking the first scale groove 1-1 and the second scale groove 1-2 as reference.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a pulp cavity file convenient to observe and hit into pulp cavity degree of depth which characterized in that: comprises a file body (1), the end surface of the top end of the file body (1) is provided with a positioning column (2), the bottom end of the file body (1) is provided with a conical part (3), the upper end of the side surface of the file body (1) is provided with a first scale groove (1-1) and a second scale groove (1-2), the first scale groove (1-1) and the second scale groove (1-2) are both arranged perpendicular to the axis of the positioning column (2), the distance L1 between the first scale groove (1-1) and the end surface of the top end of the file body (1) along the axial direction of the positioning column (2) is equal to the groove width L2 of the first scale groove (1-1), the distance L3 between the first scale groove (1-1) and the second scale groove (1-2) along the axial direction of the positioning column (2) is equal to the groove width L2 of the first scale groove (1-1), the groove width L4 of the second scale groove (1-2) is equal to the groove width L2 of the first scale groove (1-1).
2. The intramedullary canal file of claim 1, facilitating visualization of the depth of penetration into the intramedullary canal, wherein: the groove width L2 of the first scale groove (1-1) is 2 mm.
3. The intramedullary canal file of claim 1, facilitating visualization of the depth of penetration into the intramedullary canal, wherein: the side surface of the file body (1) protrudes outwards with a plurality of first straight plate parts (1-3) and a plurality of second straight plate parts (1-4) which are arranged in parallel, the first straight plate parts (1-3) and the second straight plate parts (1-4) are arranged in a mutually crossed mode to form a plurality of chip grooves (1-5), and a plurality of annular cutting teeth (3-1) are distributed on the outer peripheral surface of the conical part (3) at equal intervals along the linear direction of the conical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020943412.XU CN212996628U (en) | 2020-05-28 | 2020-05-28 | Medullary cavity file convenient for observing depth of medullary cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020943412.XU CN212996628U (en) | 2020-05-28 | 2020-05-28 | Medullary cavity file convenient for observing depth of medullary cavity |
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| Publication Number | Publication Date |
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| CN212996628U true CN212996628U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020943412.XU Active CN212996628U (en) | 2020-05-28 | 2020-05-28 | Medullary cavity file convenient for observing depth of medullary cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117357201A (en) * | 2023-12-07 | 2024-01-09 | 北京爱康宜诚医疗器材有限公司 | Self-chip-removal electric marrow cavity file based on 3D printing technology |
-
2020
- 2020-05-28 CN CN202020943412.XU patent/CN212996628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117357201A (en) * | 2023-12-07 | 2024-01-09 | 北京爱康宜诚医疗器材有限公司 | Self-chip-removal electric marrow cavity file based on 3D printing technology |
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