CN216535487U - Screw pressurizer - Google Patents
Screw pressurizer Download PDFInfo
- Publication number
- CN216535487U CN216535487U CN202023156055.1U CN202023156055U CN216535487U CN 216535487 U CN216535487 U CN 216535487U CN 202023156055 U CN202023156055 U CN 202023156055U CN 216535487 U CN216535487 U CN 216535487U
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- plate
- fixing
- sliding
- limiting sleeve
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 230000000399 orthopedic effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 210000001519 tissue Anatomy 0.000 description 3
- 231100000241 scar Toxicity 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to the field of orthopedic auxiliary tools, in particular to a screw pressurizer, which comprises a fixing device, a limiting sleeve and a screwdriver, wherein the fixing device is arranged on the fixing sleeve; the limiting sleeve is sleeved outside the screwdriver in a sliding mode, and the screwdriver penetrates through the limiting sleeve and is provided with a limiting bayonet; the fixing device comprises a fixing plate and a sliding plate, the fixing plate is fixed on a patient steel plate, a sliding groove is formed in the sliding plate, the sliding plate is connected with the fixing plate through an adjusting bolt, and a fixing groove is formed in the fixing plate; the limiting sleeve is fixed on the sliding plate in a sliding manner; the screwdriver mainly comprises a limiting sleeve, a screwdriver and a fixing device, and is simple in structure; use the fixed plate, the sliding plate cooperates adjusting bolt, realizes that arbitrary position is fixed in limit sleeve's the stroke, and limit knob cooperation spout, smooth and easy sliding connection also realizes vertical fixed, reduces medical personnel's the operation degree of difficulty, reduces orthopedic operation risk.
Description
Technical Field
The utility model relates to the field of orthopedic auxiliary tools, in particular to a screw pressurizer.
Background
The internal fixation method which is most commonly used clinically at present is to fix the fractured limbs by screws, certain screws are too long in retention time in the body or too large in stress bearing and shearing force, and particularly titanium alloy is applied, so that the compatibility of tissues is increased, the screws are tightly combined with bone, and the screws are very strenuous to take out. When the tool is matched, the screw is taken out and needs two forces of extrusion and rotation, and the premise is that the screwdriver is perpendicular to the screw, namely three factors. The traditional method is completely dependent on strength and experience, the three are difficult to be uniformly controlled, the screwdriver is frequently prevented from slipping due to 'pressing', the normal groove structure of the nut is damaged, the risk of failure of the operation is increased, and the working difficulty of medical workers is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an auxiliary device which is simple in structure, quick to assemble, convenient and labor-saving.
The screw pressurizer comprises a fixing device, a limiting sleeve and a screwdriver;
the limiting sleeve is sleeved outside the screwdriver in a sliding mode, the screwdriver penetrates through the limiting sleeve, and a limiting buckle is arranged on the screwdriver; the fixing device comprises a fixing plate and a sliding plate, the fixing plate is fixed on a patient steel plate, a sliding groove is formed in the sliding plate, the sliding plate is connected with the fixing plate through an adjusting bolt, and a fixing groove is formed in the fixing plate; the limiting sleeve is fixed on the sliding plate in a sliding manner;
and a screw head is connected below the limiting buckle of the screwdriver and used for screwing out a screw.
Furthermore, a limiting knob is arranged on the barrel outside the limiting sleeve; the limiting knob is used for screwing and fixing the limiting sleeve.
Furthermore, a screwdriver channel is formed in the limiting sleeve, and the screwdriver is sleeved in the screwdriver channel.
Furthermore, a screwdriver handle is arranged at the upper part of the screwdriver.
Furthermore, a sliding groove of the sliding plate is provided with a scale mark.
The utility model has the beneficial effects that:
in the process of the concrete implementation of the utility model,
in the specific implementation process of the utility model, the limiting sleeve is a key part, a screwdriver channel is arranged in the limiting sleeve, a screwdriver penetrates through the screwdriver channel and is in sliding connection with the screwdriver channel, and the limiting buckle is used for limiting and placing the screwdriver to be separated from the limiting sleeve; the limiting sleeve is fixed in the sliding groove of the sliding plate in a sliding mode, the outer side of the cylinder wall slides in the sliding groove, and the limiting knob can be screwed tightly so as to clamp the sliding plate and play a role in fixing the limiting sleeve, so that the limiting sleeve can slide on any position on the sliding plate; the sliding plate and the fixed plate can be freely and rotationally adjusted by matching with the adjusting bolt, so that the adjustment of any position of the limiting sleeve is realized; the fixing plate is provided with a fixing groove for fixing with a screw; in the using process, a steel plate and screws of a patient are exposed conventionally, surrounding scar tissues are cleaned, any one screw is screwed out conventionally, the fixing groove is inserted, the screw is screwed down, the fixing device and the steel plate are fixed by the screw, then the rest screws are exposed, the limiting sleeve provided with the screwdriver is fixed on the sliding plate, the limiting sleeve and the screwdriver are fixed, the vertical fixing of the screwdriver is realized, and medical staff only need to operate the screwdriver to perform up-and-down pressurizing and screwing to remove the screw;
the screwdriver mainly comprises a limiting sleeve, a screwdriver and a fixing device, and is simple in structure; use the fixed plate, the sliding plate cooperates adjusting bolt, realizes that arbitrary position is fixed in limit sleeve's the stroke, and limit knob cooperation spout, smooth and easy sliding connection also realizes vertical fixed, reduces medical personnel's the operation degree of difficulty, reduces orthopedic operation risk.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the construction of the fastening device of the present invention;
FIG. 3 is a schematic structural view of a spacing sleeve of the present invention;
reference numerals: 1-steel plate, 2-fixing device, 21-fixing plate, 22-sliding plate, 23-adjusting bolt, 24-fixing groove, 3-screw, 4-sliding groove, 5-limiting sleeve, 51-limiting knob, 52-screwdriver channel, 6-screwdriver, 61-limiting buckle, 62-screwdriver head and 63-screwdriver handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a screw pressurizer comprises a fixing device 2, a limiting sleeve 5 and a screwdriver 6;
the limiting sleeve 5 is sleeved outside the screwdriver 6 in a sliding mode, and the screwdriver 6 penetrates through the limiting sleeve 5 and is provided with a limiting buckle 61; the fixing device 2 comprises a fixing plate 21 and a sliding plate 22, the fixing plate 21 is fixed on a patient steel plate, the sliding plate 22 is provided with a sliding chute 4, the sliding plate 22 is connected with the fixing plate 21 through an adjusting bolt 23, and the fixing plate 21 is provided with a fixing groove 25; the limiting sleeve 5 is fixed on the sliding plate 22 in a sliding manner;
a screw head 62 is connected below the limiting buckle 61 of the screwdriver 6, and the screw head 62 is used for screwing out a screw; a limiting knob 51 is arranged on the outer cylinder body of the limiting sleeve 5; the limiting knob 51 is used for screwing and fixing the limiting sleeve 5; a screwdriver channel 52 is formed in the limiting sleeve 5, and the screwdriver 6 is sleeved in the screwdriver channel 52.
In the specific implementation process of the utility model, the limiting sleeve 5 is a key part, the interior of the limiting sleeve is provided with a screwdriver channel 52, the screwdriver 6 penetrates through the screwdriver channel 52 and is in sliding connection with the screwdriver channel, and the limiting buckle 62 is used for limiting and placing the screwdriver to be separated from the limiting sleeve; the limiting sleeve 5 is fixed in the sliding groove 4 of the sliding plate 22 in a sliding mode, the outer side of the cylinder wall slides in the sliding groove 4, and the limiting knob 51 can be screwed tightly so as to clamp the sliding plate 22 and play a role in fixing the limiting sleeve 5, so that the limiting sleeve 5 can be fixed at any position on the sliding plate 22; the sliding plate 22 and the fixed plate 21 can be freely adjusted in angle rotation by matching with the adjusting bolt 23, so that the position of the limiting sleeve 5 can be adjusted at any position; the fixing plate 21 is provided with a fixing groove 25 for fixing with the screw 3; in the using process, a steel plate and screws of a patient are exposed conventionally, surrounding scar tissues are cleaned, any one screw is screwed out conventionally, the fixing groove 25 is inserted, the screw is screwed, the fixing device 2 and the steel plate are fixed by the screw, then the rest screws are exposed, the limiting sleeve 5 provided with the screwdriver 6 is fixed on the sliding plate 22, the limiting sleeve 5 and the screwdriver 6 are fixed, the screwdriver 6 is fixed in the vertical direction, and medical staff only need to operate the screwdriver 6 to perform up-and-down pressurizing and screwing, and the screw is removed;
the screwdriver mainly comprises a limiting sleeve 5, a screwdriver 6 and a fixing device 2, and is simple in structure; by using the fixing plate 21 and the sliding plate 22 to cooperate with the adjusting bolt 23, the fixing of any position in the stroke of the limiting sleeve 5 is realized, the limiting knob 51 cooperates with the sliding groove 4 to realize smooth sliding connection and vertical fixing, the operation difficulty of medical workers is reduced, and the risk of the orthopedic operation is reduced.
Referring to fig. 1, further, a screw presser, in which a driver handle 63 is provided at an upper portion of the driver 6; be provided with screwdriver handle 63 and be more convenient for medical personnel can laborsaving, convenient select set screw.
In this embodiment, furthermore, the sliding groove 4 of the sliding plate 22 is provided with scale marks 24; can help medical personnel to more accurately position and record the position of the screw in the operation process, and improve the operation efficiency.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the utility model as defined by the accompanying claims.
Claims (5)
1. The screw pressurizer is characterized by comprising a fixing device (2), a limiting sleeve (5) and a screwdriver (6);
the limiting sleeve (5) is sleeved outside the screwdriver (6) in a sliding mode, and the screwdriver (6) penetrates through the limiting sleeve (5) and is provided with a limiting buckle (61); the fixing device (2) comprises a fixing plate (21) and a sliding plate (22), the fixing plate (21) is fixed on a patient steel plate, a sliding groove (4) is formed in the sliding plate (22), the sliding plate (22) is connected with the fixing plate (21) through an adjusting bolt (23), and a fixing groove (25) is formed in the fixing plate (21); the limiting sleeve (5) is fixed on the sliding plate (22) in a sliding manner;
the screw driver is characterized in that a screw head (62) is connected below a limiting buckle (61) of the screw driver (6), and the screw head (62) is used for screwing out a screw.
2. Screw presser according to claim 1, characterized in that on the outer cylinder of the limit sleeve (5) there is provided a limit knob (51); the limiting knob (51) is used for screwing and fixing the limiting sleeve (5).
3. The screw pressurizer according to claim 1, wherein a screwdriver channel (52) is formed inside the limiting sleeve (5), and the screwdriver (6) is sleeved in the screwdriver channel (52).
4. Screw presser according to claim 1, characterized in that the upper part of the screwdriver (6) is provided with a screwdriver handle (63).
5. Screw presser according to claim 2, characterized in that on the runner (4) of the slide plate (22) there is provided a graduated scale (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156055.1U CN216535487U (en) | 2020-12-24 | 2020-12-24 | Screw pressurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156055.1U CN216535487U (en) | 2020-12-24 | 2020-12-24 | Screw pressurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216535487U true CN216535487U (en) | 2022-05-17 |
Family
ID=81537940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023156055.1U Expired - Fee Related CN216535487U (en) | 2020-12-24 | 2020-12-24 | Screw pressurizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216535487U (en) |
-
2020
- 2020-12-24 CN CN202023156055.1U patent/CN216535487U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220517 |