CN220069798U - Telescopic acetabular labrum excision knife - Google Patents
Telescopic acetabular labrum excision knife Download PDFInfo
- Publication number
- CN220069798U CN220069798U CN202321036715.3U CN202321036715U CN220069798U CN 220069798 U CN220069798 U CN 220069798U CN 202321036715 U CN202321036715 U CN 202321036715U CN 220069798 U CN220069798 U CN 220069798U
- Authority
- CN
- China
- Prior art keywords
- labrum
- telescopic rod
- retractable
- block
- rectangular
- Prior art date
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Links
- 210000000588 acetabulum Anatomy 0.000 claims abstract description 12
- 238000007790 scraping Methods 0.000 claims description 10
- 238000002271 resection Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 3
- 210000004394 hip joint Anatomy 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010058314 Dysplasia Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000011882 arthroplasty Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The present utility model relates to a telescopic acetabular labrum resectoscope comprising: the labrum cutter comprises a cutter head and a connecting block, wherein the first end of the cutter head is fixedly connected with the connecting block; resecting the acetabular labrum of the patient for extension into the surgical site of the patient; a telescoping rod for adjusting the length of the labral resector extending into the acetabulum; the hand-held handle is used for being held by an operator during operation; wherein, the labrum cutter is separated from the telescopic rod and fixed on the telescopic rod; the telescopic rod part is arranged in the hand-held handle, and the telescopic rod is movably connected with the hand-held handle; the labrum cutter is provided with the telescopic function, can adapt to patients with different acetabulum depths, and can be detached on the telescopic rod. The tool bit can be replaced at any time, the deformation capability of the tool bit is strong, the fitting form is changeable, and the labrum with a certain curvature is present, so that the labrum is thoroughly removed.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a telescopic acetabular labrum excision knife.
Background
With the continuous development of contemporary bone sciences, total hip arthroplasty has become the most cost-effective and sustained treatment procedure in bone sciences. Has obvious curative effect on severe osteoarthritis, femoral head necrosis, congenital hip joint dysplasia and other patients. In the hip joint replacement operation, exposure of the acetabulum of a patient in the operation process is influenced due to the existence of the labrum, so that difficulty in judging a proper angle in the acetabulum polishing process is increased, and operation time is prolonged; meanwhile, the labrum is not thoroughly cleared, which can influence the stability of the prosthesis after the operation of the patient and influence the treatment effect of the operation.
In the hip joint replacement operation at present, the labrum is resected mainly by means of a surgical blade or an electric knife, and the existing several special tools for labrum treatment are all cut by using a blade, and the labrum with a certain curvature is difficult to attach due to the poor deformability of the blade structure, so that the applicability and the use universality of the tools are reduced; meanwhile, the existing treatment tool is not telescopic and cannot adapt to patients with different acetabulum depths; the existing processing tools are all non-replaceable equipment, and once the tool bit is damaged, the tool bit cannot be replaced, so that the equipment cost is increased; in addition, the operation of part of the existing treatment tools is too complicated, and the operation efficiency is reduced.
The present utility model addresses the above-described problems by providing a retractable labyrinthine resectoscope.
Disclosure of Invention
In order to overcome the problems in the background art, the utility model adopts the following technical scheme:
a retractable labrum resection blade, comprising:
the labral resectoscope comprises a cutter head and a connecting block, wherein the first end of the cutter head is fixedly connected with the connecting block; resecting the acetabular labrum of the patient for extension into the surgical site of the patient;
a telescoping rod for adjusting the length of the labral resector extending into the acetabulum;
the hand-held handle is used for being held by an operator during operation;
wherein the labrum cutter is separated from the telescopic rod and fixed on the telescopic rod; the telescopic rod part is arranged in the handheld handle, and the telescopic rod is movably connected with the handheld handle; the labrum cutter is provided with the telescopic function, can adapt to patients with different acetabulum depths, and can be detached on the telescopic rod. The tool bit can be replaced at any time, the deformation capability of the tool bit is strong, the fitting form is changeable, and the labrum with a certain curvature is present, so that the labrum is thoroughly removed.
Further, the hand-held handle body is a cylindrical block, a rectangular block is arranged at the first end of the cylindrical block, and the caliber of the other end of the rectangular block is reduced; the arrangement ensures comfortable and convenient operation for the operator to hold.
Further, set up to the rectangle passageway in the handheld handle, rectangle passageway and telescopic link adaptation, the telescopic link can stretch into in the rectangle passageway.
Further, a threaded hole is formed in any side face of the rectangular block, a locking block is arranged in the threaded hole, and the telescopic rod can be locked or unlocked by rotating the locking block.
Further, the telescopic link is the rectangle pole, and the first end of telescopic link sets up the rectangle recess, arbitrary both sides face of rectangle recess sets up the round hole, sets up the screw thread in one of them round hole.
Further, the connecting block is a rectangular block, the length and the width of the connecting block are the same as those of the telescopic rod, a protruding block is arranged at the first end of the connecting block, and the protruding block is matched with the rectangular groove; the arrangement ensures that the protruding block can extend into the telescopic rod.
Further, set up the through-hole on the protruding piece, after protruding piece stretches into the rectangle recess, the through-hole on the protruding piece and the round hole on the telescopic link coaxial, during the use, the mounting bolt is fixed both.
Further, the bottom of the cutter head is provided with a U-shaped notch, the height of the U-shaped notch from the bottom to the heads of the two side walls is uniformly reduced, and the two side walls of the cutter head are of symmetrical structures and have radians.
Further, a scraping wire is arranged in the U-shaped notch of the cutter head, and the scraping wire has a certain tension; optionally, the scraping wire is a diamond wire.
Further, the labrum resectoscope is integrally formed and is a replaceable consumable.
The utility model has the beneficial effects that: the utility model has reasonable structure; the scraping wire is provided with a certain tension and can deform under a proper pressure, so that the hanging wire is more attached to the labrum with different shapes, and the excision effect is improved; by arranging the telescopic rod, the device is suitable for patients with different acetabulum depths, and improves the universality of use; the detachable design of the labrum cutter changes the labrum cutter into a replaceable instrument, so that the using time is prolonged, and the replacement cost is reduced; the U-shaped notch is designed, so that the shape of the acetabulum is adapted, the applicability and the use efficiency are improved, meanwhile, the cut labrum can be guided out along the notch, the influence caused by tissue retention is reduced, and the operation smoothness is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the entire structure of the present utility model;
FIG. 3 is a schematic view of the structure of the hand-held handle of the present utility model;
FIG. 4 is a schematic view of the telescopic rod of the present utility model;
fig. 5 is a schematic view of the configuration of the labyrinthine resectoscope of the present utility model;
in the drawings, 1, labral resectors; 2. a telescopic rod; 3. a handle; 4. a cutter head; 5. a connecting block; 6. a rectangular channel; 7. a locking block; 8. rectangular grooves; 9. a round hole; 10. a protruding block; 11. and (5) scraping wires.
Detailed Description
The following detailed description of the embodiments of the present utility model will be made more apparent to those skilled in the art from the following detailed description, in which the utility model is embodied in several, but not all, embodiments of the utility model. The utility model may be embodied or applied in other specific forms and features of the following examples and examples may be combined with each other without conflict, all other examples being contemplated by those of ordinary skill in the art without undue burden from the present disclosure, based on the examples of the utility model.
Example 1
Referring to fig. 1-5, a retractable labrum resection blade in this embodiment includes:
the labral resectoscope 1 comprises a cutter head 4 and a connecting block 5, wherein the first end of the cutter head 4 is fixedly connected with the connecting block 5; resecting the acetabular labrum of the patient for extension into the surgical site of the patient; a telescopic rod 2 for adjusting the length of the labral resector 1 extending into the acetabulum; a handle 3 for the operator to hold during the operation; wherein, the labrum cutter 1 is separated from the telescopic rod 2 and fixed on the telescopic rod 2; the telescopic rod 2 is partially arranged inside the handheld handle 3, and the telescopic rod 2 is movably connected with the handheld handle 3; the labrum cutter 1 is provided with the telescopic function, can adapt to patients with different acetabulum depths, and can be detached on the telescopic rod 2. The tool bit 4 can be replaced at any time, has strong deformability, can be attached to various shapes, and has a labrum with a certain curvature to thoroughly clean the labrum.
Example 2
Referring to fig. 1-3, on the basis of embodiment 1, the following technical features are added in this embodiment: (the following specific settings are made for the structure of the handle 3): the main body of the hand-hold handle 3 is a cylindrical block, a rectangular block is arranged at the first end of the cylindrical block, and the caliber of the other end of the rectangular block is reduced; the arrangement ensures comfortable and convenient operation for the operator to hold.
The interior of the hand-held handle 3 is provided with a rectangular channel 6, the rectangular channel 6 is matched with the telescopic rod 2, and the telescopic rod 2 can extend into the rectangular channel 6.
The arbitrary side of rectangular block sets up a screw hole, and threaded hole sets up latch segment 7, and rotatory latch segment 7 can realize locking or loosen telescopic link 2.
Example 3
1-2 and 4-5, the following technical features (the following specific arrangements are provided for the structure of the telescopic rod 2 and the labrum cutter 1) are added to the present embodiment on the basis of the embodiment 1-2: the telescopic link 2 is the rectangle pole, and telescopic link 2 first end sets up rectangle recess 8, and the arbitrary both sides face of rectangle recess 8 sets up round hole 9, sets up the screw thread in one of them round hole 9.
The connecting block 5 is a rectangular block, the length and the width of the connecting block 5 are the same as those of the telescopic rod 2, a protruding block 10 is arranged at the first end of the connecting block 5, and the protruding block 10 is matched with the rectangular groove 8; the above arrangement ensures that the protruding block 10 can extend into the telescopic rod 2.
The protruding block 10 is provided with a through hole, and after the protruding block 10 stretches into the rectangular groove 8, the through hole on the protruding block 10 is coaxial with the round hole 9 on the telescopic rod 2, and when the telescopic rod is used, the through hole and the round hole are fixed by the installation bolt.
The bottom of the cutter head 4 is provided with a U-shaped notch, the height of the U-shaped notch from the bottom to the heads of the two side walls is uniformly reduced, and the two side walls of the cutter head 4 are of symmetrical structures and have radians.
A scraping wire 11 is arranged in the U-shaped notch of the cutter head 4, and the scraping wire 11 has certain tension; optionally, the scraping wire 11 is a diamond wire.
The labral resectoscope 1 is integrally formed and is a replaceable consumable.
The above description of embodiments is only for the understanding of the present utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications will fall within the scope of the claims.
Claims (9)
1. A retractable labrum resection blade, comprising:
the labral resectoscope comprises a cutter head and a connecting block, wherein the first end of the cutter head is fixedly connected with the connecting block; resecting the acetabular labrum of the patient for extension into the surgical site of the patient;
a telescoping rod for adjusting the length of the labral resector extending into the acetabulum;
the hand-held handle is used for being held by an operator during operation;
wherein the labrum cutter is separated from the telescopic rod and fixed on the telescopic rod; the telescopic rod part is arranged in the handheld handle, and the telescopic rod is movably connected with the handheld handle; the handheld handle is internally provided with a rectangular channel, the rectangular channel is matched with the telescopic rod, and the telescopic rod can extend into the rectangular channel.
2. The retractable labrum resecting blade of claim 1 wherein the handle body is a cylindrical block having a rectangular block disposed at a first end and a reduced bore at the other end.
3. The retractable labrum resecting blade of claim 2 wherein the rectangular block is provided with a threaded hole on either side, and wherein the threaded hole is provided with a locking block.
4. The retractable labrum resection blade according to claim 1, wherein the telescoping rod is a rectangular rod, the first end of the telescoping rod is provided with a rectangular groove, any two sides of the rectangular groove are provided with round holes, and a thread is arranged in one of the round holes.
5. The retractable labrum resecting blade of claim 4 wherein the connector block is a rectangular block having the same length and width as the telescoping rod, the connector block first end being provided with a protruding block that fits into the rectangular recess.
6. The retractable labrum resection blade of claim 5 wherein the tab has a through hole and wherein the through hole is concentric with the circular hole in the telescoping rod after the tab is inserted into the rectangular recess.
7. The retractable labrum acetabular resecting knife of claim 1 wherein the bottom of the tool bit is provided with a U-shaped notch which reduces in height uniformly from the bottom to the heads of the two sidewalls, the two sidewalls of the tool bit being symmetrical and having an arc.
8. The retractable labrum resecting blade of claim 7 wherein a scraping wire is disposed in the U-shaped notch of the tool bit, the scraping wire being under tension.
9. The retractable acetabular labyrinectomy blade of any one of claims 1-8, wherein the labyrinectomy device is integrally formed as a replaceable consumable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321036715.3U CN220069798U (en) | 2023-05-04 | 2023-05-04 | Telescopic acetabular labrum excision knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321036715.3U CN220069798U (en) | 2023-05-04 | 2023-05-04 | Telescopic acetabular labrum excision knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220069798U true CN220069798U (en) | 2023-11-24 |
Family
ID=88820644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321036715.3U Active CN220069798U (en) | 2023-05-04 | 2023-05-04 | Telescopic acetabular labrum excision knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220069798U (en) |
-
2023
- 2023-05-04 CN CN202321036715.3U patent/CN220069798U/en active Active
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