CN211022934U - Double-shoulder osteotome positioning and guiding tool - Google Patents
Double-shoulder osteotome positioning and guiding tool Download PDFInfo
- Publication number
- CN211022934U CN211022934U CN201921545488.0U CN201921545488U CN211022934U CN 211022934 U CN211022934 U CN 211022934U CN 201921545488 U CN201921545488 U CN 201921545488U CN 211022934 U CN211022934 U CN 211022934U
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- osteotome
- handle
- type
- guide strip
- shoulder
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- 238000007906 compression Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 5
- 210000000588 acetabulum Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 206010052428 Wound Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001981 hip bone Anatomy 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000008765 Sciatica Diseases 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model provides a both shoulders osteotome location direction instrument, its includes, first L type handle, second L type connecting piece, first L type handle is provided with connect the via hole, the second handle with be connected with compression spring between the first L type handle, the second handle with through running through between the second L type connecting piece connect the link of connect the via hole, first L type handle with second L type connecting piece is connected with a pair of arc guide strip, arc guide strip is provided with the guide way, two the guide way sets up relatively, the utility model provides a both shoulders osteotome location direction instrument, simple structure becomes two on the vertical direction through holding power to doctor's level expansion force between the arc guide strip to establish the feed passageway of the blade of both shoulders osteotome in the patient surface of a wound, just also effectively avoided the damage of two most advanced heads of cutting edge to the organism tissue.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to both shoulders osteotome location direction instrument.
Background
The osteotomy around the acetabulum is to cut around the acetabulum to loosen the acetabulum. The acetabulum is rotated outwards and forwards to loosen the acetabulum, the direction of the acetabulum is changed, and therefore the covering condition of the acetabulum on the femoral head is improved.
The patient can adopt a supine position or a lateral position during operation, but even if the patient adopts the lateral position, because the peeling range of the body cannot be infinite, the range of the open hip bone positioned in the field of vision of the doctor which can be provided by the surgical wound is limited, especially when the ischia under the acetabulum is intercepted, the patient usually cannot directly observe the hip bone, a special osteotomy tool is required to operate, fig. 1a is a structural schematic diagram of a double-shoulder osteotome, fig. 1b is a side view structural schematic diagram of fig. 1a, and as shown in fig. 1a and fig. 1b, the existing tools such as the double-shoulder osteotome provided by Wuyang medical instruments Limited company in Hefei city adopt the structure similar to the technical schemes provided by the acetabulum triple osteotome special osteotome provided by the Chinese patent CN2721015Y, the osteotome for the periphery of the acetabulum provided by the Chinese patent CN207412213U and the controllable-depth osteotome provided by the Chinese patent CN2557086Y, that is, the double-shoulder osteotome 1 is provided with the blade 12 having a certain bending angle with the blade bar 11, the blade 12 has the arc-shaped cutting edge 121, the width d1 of the cutting edge 121 can generally include specifications of not more than 30mm, such as 15mm, 20mm and 25mm, etc., the cutting edge 121 can be well matched with the ischial profile, and the cutting depth can be controlled by controlling the length of the blade 12, so that the high-efficiency osteotomy operation can be provided.
However, since the working surface of the existing double-shoulder osteotome is usually located inside the wound surface, that is, it is impossible for all the scalpel body and the knife edge to be in the field of vision of the doctor during the operation, particularly during the operation (extending the double-shoulder osteotome to the cutting position), there is a case that the sharp edge of the knife edge 121 of the double-shoulder osteotome causes tissue damage such as muscle or blood vessel of the patient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a both shoulders osteotome location direction instrument to reduce or avoid the aforementioned problem.
In order to solve the technical problem, the utility model provides a both shoulders osteotome location direction instrument, it includes, first L type handle, second L type connecting piece, first L type handle is provided with connect the via hole, the second handle with be connected with compression spring between the first L type handle, the second handle with through running through between the second L type connecting piece connect the connecting rod of connect the via hole, first L type handle with second L type connecting piece is connected with a pair of arc guide strip, arc guide strip is provided with the guide way, two the guide way sets up relatively.
Preferably, the arc-shaped guide strip includes an arc-shaped portion and an extension portion.
Preferably, the arc-shaped guide strip is made by welding two steel sheets with the thickness of 2mm on a steel strip with the diameter of 5 mm.
Preferably, the arc-shaped guide strip is formed by bending and molding a steel sheet with the thickness of 3 mm.
Preferably, the first L-type handle and the second L-type connecting piece are provided with mounting holes for inserting the arc-shaped guide strips and fixing holes for screwing in countersunk bolts to fix the arc-shaped guide strips.
Preferably, the connecting rod is respectively connected with the second handle and the second L-type connecting piece in a welding mode.
Preferably, the second handle and the second L-type connecting piece are provided with assembling holes, and the assembling holes are fixedly connected with the connecting rod through interference fit.
The utility model provides a pair of shoulders osteotome location direction instrument, simple structure becomes two on the vertical direction through gripping the doctor level power expansion force between the arc guide strip to establish the feed passageway of the blade of shoulders osteotome in the patient surface of a wound, just also effectively avoided two most advanced heads of feed in-process cutting edge to the damage of flesh tissue.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein the content of the first and second substances,
FIG. 1a is a schematic structural view of a double-shoulder osteotome;
FIG. 1b is a schematic side view of the structure of FIG. 1 a;
fig. 2 is a schematic top view of a double-shoulder osteotome positioning and guiding tool according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the right view of the structure of FIG. 2;
fig. 4 is a partially exploded perspective view of the bicrucksack positioning and guiding tool of fig. 2.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.
Fig. 1a is a schematic structural view of a bicrucksack, fig. 1b is a schematic structural view of fig. 1a, fig. 2 is a schematic structural view of a bicrucksack positioning and guiding tool, fig. 3 is a schematic structural view of fig. 2, fig. 4 is a schematic structural view of a partially exploded perspective view of the bicrucksack positioning and guiding tool, fig. 1a-4 show the present invention provides a bicrucksack positioning and guiding tool, which includes a first L-type handle 2, a second handle 3, a second L-type connecting member 4, the first L-type handle 2 is provided with a connecting through hole 21, a compression spring 5 is connected between the second handle 3 and the first L-type handle 2, the second handle 3 and the second L-type connecting member 4 are connected by a connecting rod 6 penetrating through the connecting through hole 21, the first L-type handle 2 and the second L-type connecting member 4 are connected with a pair of arc-shaped guide strips 7, and two guide grooves 71 are oppositely arranged.
The utility model provides a shoulders osteotome location direction instrument's theory of operation does, when free state, two arc guide strip 7 position is close to, in the operation process, will when needs will shoulders osteotome 1 stretches into in the surface of a wound when treating the cutting position of patient, can be with earlier arc guide strip 7 is put into to the cutting position, then medical personnel press through gripping first L type handle 2 with second handle 3 can make two arc guide strip 7 position separation, two distance between the arc guide strip 7 with shoulders osteotome 1 the width d1 of cutting edge 121 is when corresponding, can with two most advanced heads of cutting edge 121 are arranged in the guide way 71, and along guide way 71 removes to treating the cutting position to avoid the cutting in-process to cause the damage to tissues such as patient's muscle or blood vessel.
The arc-shaped guide strip 7 can be formed by welding two steel sheets with the thickness of 2mm on a steel bar (or steel rod) with the diameter of 5mm, or can be formed by bending and molding the steel sheets with the thickness of 3mm directly, as long as the guide groove 71 with the width of about 2mm and the depth of about 2mm can be provided, so that the two tip heads of the knife edge 121 can be protected from being abraded, and the two tip heads of the knife edge 121 can be ensured to move smoothly.
Referring to fig. 2, 3 and 4, the arc-shaped guide strip 7 comprises an arc-shaped part 72 and an extension part 73, wherein the arc-shaped part 72 can be arranged to be consistent with the curvature of the blade body 12 of the double-shoulder osteotome 1, so that the arc-shaped guide strip 7 can not enter the incision channel to cause excessive influence on the body of the patient, and the extension part is used for connecting with the first L type handle 2 and the second L type connecting piece 4.
The end of the arc-shaped part 72 of the arc-shaped guide strip 7 can be subjected to arc-shaped angle transition treatment, and a spherical head can be welded (as long as the penetration of the guide groove 71 is not affected), so that the problem that the end of the arc-shaped part 72 is too sharp to cause body injury can be avoided.
In fig. 4, the arc guide bar 7 connected to the first L-type handle 2 is shown in an exploded state, and the arc guide bar 7 connected to the second L-type connecting member 4 is shown in a connected state, and referring to fig. 4, the first L-type handle 2 and the second L-type connecting member 4 are each provided with a mounting hole (not shown) and a fixing hole 8, and after the arc guide bar 7 is inserted into the mounting hole, the arc guide bar 7 can be fixed by screwing a countersunk bolt (not shown) into the fixing hole 8.
The first L-type handle 2 and the second L-type connecting element 4 are used to convert the force transmission direction to change the horizontal holding force of the doctor into the expansion force between the two arc-shaped guide strips 7 in the vertical direction, so that the bent parts of the first L-type handle 2 and the second L-type connecting element 4 can be right angles as shown in fig. 2-4, and can also be arc-shaped bent angles.
The second handle 3 is connected with the second L-shaped connecting piece 4 through a connecting rod 6 penetrating through the connecting through hole 21, so that the second handle 3 and the arc-shaped guide strips 7 connected with the second L-shaped connecting piece 4 are positioned at two sides of the first L-shaped handle 2, and the holding and pinching pressure of the medical staff can be changed into the expansion force between the two arc-shaped guide strips 7.
When the components are assembled, the connecting rod 6 can be welded and connected with the second handle 3 and the second L-type connecting piece 4 respectively after the positions of the components are aligned, of course, as shown in fig. 4, an assembling hole 9 can be arranged on the second handle 3 and the second L-type connecting piece 4 (the assembling hole 9 is not shown on the second L-type connecting piece 4 in the figure), and the connecting rod is connected and fixed through interference fit of the assembling hole 9 and the connecting rod 6.
The utility model provides a pair of shoulders osteotome location direction instrument, simple structure becomes two on the vertical direction through gripping the doctor level power expansion force between the arc guide strip to establish the feed passageway of the blade of shoulders osteotome in the patient surface of a wound, just also effectively avoided two most advanced heads of feed in-process cutting edge to the damage of flesh tissue.
It is to be understood by those skilled in the art that while the present invention has been described in terms of several embodiments, it is not intended that each embodiment cover a separate embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including all technical equivalents which are encompassed by the claims.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations that may be made by those skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (7)
1. The utility model provides a both shoulders osteotome location guiding tool, its characterized in that, it includes, first L type handle, second L type connecting piece, first L type handle is provided with connect the via hole, the second handle with be connected with compression spring between the first L type handle, the second handle with through running through between the second L type connecting piece connect the link of connect the via hole, first L type handle with second L type connecting piece is connected with a pair of arc guide strip, arc guide strip is provided with the guide way, two the guide way sets up relatively.
2. The bi-shoulder osteotome positioning and guiding tool of claim 1, wherein said arcuate guide strip includes an arcuate portion and an extension.
3. The double shoulder osteotome positioning and guiding tool of claim 1, wherein said arcuate guide strip is formed by welding two 2mm thick steel sheets to a 5mm diameter steel strip.
4. The bi-shoulder osteotome positioning and guiding tool of claim 1 wherein said arcuate guide strip is formed by bending a 3mm thick piece of steel.
5. The double shoulder osteotome positioning and guiding tool of claim 1, wherein said first L-shaped handle and said second L-shaped connector each have a mounting hole for inserting said arcuate guide strip and a fixing hole for screwing a countersunk bolt to fix said arcuate guide strip.
6. The bi-shoulder osteotome positioning and guiding tool of claim 1 wherein said linkage is welded to said second handle and said second L-type connector, respectively.
7. The bi-shoulder osteotome positioning and guiding tool of claim 1, wherein said second handle and said second L-shaped connector define a mounting hole therein, said mounting hole being secured to said link by interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545488.0U CN211022934U (en) | 2019-09-18 | 2019-09-18 | Double-shoulder osteotome positioning and guiding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545488.0U CN211022934U (en) | 2019-09-18 | 2019-09-18 | Double-shoulder osteotome positioning and guiding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211022934U true CN211022934U (en) | 2020-07-17 |
Family
ID=71542454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921545488.0U Expired - Fee Related CN211022934U (en) | 2019-09-18 | 2019-09-18 | Double-shoulder osteotome positioning and guiding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211022934U (en) |
-
2019
- 2019-09-18 CN CN201921545488.0U patent/CN211022934U/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 |
Granted publication date: 20200717 |