CN220069797U - Acetabular labrum excision knife - Google Patents
Acetabular labrum excision knife Download PDFInfo
- Publication number
- CN220069797U CN220069797U CN202321015129.0U CN202321015129U CN220069797U CN 220069797 U CN220069797 U CN 220069797U CN 202321015129 U CN202321015129 U CN 202321015129U CN 220069797 U CN220069797 U CN 220069797U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- blade
- acetabular
- labrum
- block
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- 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.)
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Links
- 210000000588 acetabulum Anatomy 0.000 claims abstract description 17
- 238000002271 resection Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 3
- 210000001519 tissue Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000011882 arthroplasty Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010058314 Dysplasia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Abstract
The present utility model relates to an acetabular labyrinthine resectoscope, comprising: the connecting rod comprises a first connecting rod and a second connecting rod and is used for extending into a deeper or narrower position of the acetabulum of the patient; the labral resection head comprises a connecting block and a blade, wherein the connecting block is fixedly connected with the blade and is used for resecting the labrum of a patient; the first end of the first connecting rod is fixedly connected with the first end of the second connecting rod, and the second end of the second connecting rod is fixedly connected with the first end of the connecting block; the connecting rod and the labrum excision head can extend into the deeper or narrower position of the acetabulum, and the operation is simple and the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to an 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.
Currently, in hip arthroplasty, labral resection mainly depends on surgical blade or electrotome resection, and the existing several special tools for labral treatment are short and shallow and cannot be suitable for patients with deeper acetabulum; most of the blades are square blades, so that the blades cannot be well adapted to patients with partial narrow labrum; some of the artificial acetabulum is in a straight line shape and is not matched with a physiological structure with a certain radian, and the angle of the tool is required to be continuously adjusted in the use process, so that the operation time is influenced; some devices are too cumbersome to operate, reducing the efficiency of the procedure.
The present utility model addresses the above-described problems by providing an acetabular labyrinthine resectoscope.
Disclosure of Invention
In order to overcome the problems in the background art, the utility model adopts the following technical scheme:
an acetabular labrum resection tool comprising,
the connecting rod comprises a first connecting rod and a second connecting rod and is used for extending into a deeper or narrower position of the acetabulum of the patient;
the labral resection head comprises a connecting block and a blade, wherein the connecting block is fixedly connected with the blade and is used for resecting the labrum of a patient;
the first end of the first connecting rod is fixedly connected with the first end of the second connecting rod, and the second end of the second connecting rod is fixedly connected with the first end of the connecting block; the connecting rod and the labrum excision head can extend into the deeper or narrower position of the acetabulum, and the operation is simple and the use is convenient.
Further, the second end of the first connecting rod is provided with a handheld handle which is fixedly connected with the first connecting rod, and the arrangement is convenient for operators to hold and operate.
Furthermore, a groove is formed in any side surface, close to the first connecting rod, of the handheld handle, an anti-slip material is arranged on the inner surface of the groove, and the phenomenon that an operator is not easy to slip during operation is avoided; optionally, the groove is elliptical.
Further, the diameter of the first connecting rod is smaller than that of the handheld handle, the first connecting rod is in smooth connection with the handheld handle, and the connecting position is guaranteed not to hurt other tissues of a patient when the device is used.
Further, the diameter of the second connecting rod is smaller than that of the first connecting rod, and the second connecting rod is in smooth connection with the first connecting rod.
Further, the labral resected head is a flat sheet-like structure.
Further, the second end of the connecting block is in a bent arc shape, and an included angle between the second end of the connecting block and the first end of the connecting block after bending is 60-120 degrees; the arrangement ensures that the instrument is matched with a physiological structure with a certain radian of the acetabulum.
Further, the width of the first end of the connecting block is gradually increased, the width of the contact part of the first end of the connecting block and the second connecting rod is the same as that of the second connecting rod, and the joint of the first end of the connecting block and the second connecting rod is in smooth connection, so that other tissues of a patient are prevented from being injured.
Further, the blade is V-shaped to cut off the labrum of the patient's affected part.
Alternatively, the blade body is rectangular in shape.
Further, a V-shaped knife edge is arranged in the middle of the knife body.
Further, the connecting rod, labyrinthine head and hand-held handle are integrally formed.
The utility model has the beneficial effects that: the utility model has reasonable structure; by the design of the V-shaped knife edge, the device is suitable for patients with different labrum widths, and improves the universality of use; the arc-shaped connecting block structure is designed, so that the acetabulum physiological structure is adapted, and the applicability and the use efficiency are improved; the whole length is improved, and the acetabulum is suitable for patients with deeper acetabulum; the structure design is simple and clear, the redundant useless functions are abandoned, the use is easy, the difficulty of the hand is reduced, and the practicability is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the connecting block of the present utility model;
FIG. 3 is a schematic view of the structure of the blade body of the present utility model;
FIG. 4 is a schematic view of the structure of the connecting rod of the present utility model;
FIG. 5 is a schematic view of the structure of the hand-held handle of the present utility model;
in the figure, 1, a hand-held handle; 2. a first connecting rod; 3. a second connecting rod; 4. a connecting block; 5. a blade body; 6. a groove.
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, an acetabular labyrinthine resecting knife in this embodiment comprises a connecting rod including a first connecting rod 2 and a second connecting rod 3 for extending into a deeper or narrower position of an acetabulum of a patient; the labral resection head comprises a connecting block 4 and a blade 5, wherein the connecting block 4 is fixedly connected with the blade 5 and is used for resecting the labrum of a patient; the first end of the first connecting rod 2 is fixedly connected with the first end of the second connecting rod 3, and the second end of the second connecting rod 3 is fixedly connected with the first end of the connecting block 4; the connecting rod and the labrum excision head can extend into the deeper or narrower position of the acetabulum, and the operation is simple and the use is convenient.
Example 2
Referring to fig. 1 and 5, 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 hand-held grip 1): the second end of the first connecting rod 2 is provided with a hand-held handle 1, and the hand-held handle 1 is fixedly connected with the first connecting rod 2, so that the arrangement is convenient for operators to hold and operate.
The hand-held handle 1 is provided with a groove 6 near any side surface of the first connecting rod 2, the inner surface of the groove 6 is provided with an anti-slip material, and the phenomenon that an operator is not easy to slip during operation is avoided; alternatively, the recess 6 is oval.
The hand-held handle 1 is cylindrical, and the bottom of the hand-held handle 1 is provided with a round angle, so that operation staff can operate comfortably.
Example 3
Referring to fig. 1 and 4, on the basis of embodiments 1-2, the following technical features (the following specific arrangement is performed on the connecting rod structure) are added in this embodiment: the diameter of the first connecting rod 2 is smaller than that of the hand-held handle 1, and the first connecting rod 2 is smoothly connected with the hand-held handle 1, so that the connecting part can not hurt other tissues of a patient during use.
The diameter of the second connecting rod 3 is smaller than that of the first connecting rod 2, and the second connecting rod 3 is in smooth connection with the first connecting rod 2.
Example 4
Referring to fig. 1-3, on the basis of embodiments 1-3, the following technical features (the following specific arrangement is made for the structure of the labral resection head) are added: the labrum resection head is a flat plate-like structure.
The second end of the connecting block 4 is in a curved arc shape, and an included angle between the second end of the connecting block 4 and the first end of the connecting block 4 after the bending is 60-120 degrees; the arrangement ensures that the instrument is matched with a physiological structure with a certain radian of the acetabulum.
The width of the first end of the connecting block 4 is gradually increased, the width of the contact part of the first end of the connecting block 4 and the second connecting rod 3 is the same as the width of the second connecting rod 3, and the joint part of the first end of the connecting block 4 and the second connecting rod 3 is in smooth connection, so that other tissues of a patient are prevented from being injured.
The blade 5 is rectangular or V-shaped in shape and is capable of resecting the labrum of the patient's affected part. The middle part of the knife body 5 is provided with a V-shaped knife edge. The design of the V-blade 5 allows the resected labral tissue to be more easily guided out, improving the consistency of operation by the orthopaedic practitioner.
The connecting rod, labrum excision head and the hand-held handle 1 are integrally manufactured and molded.
When in use, an orthopedics practitioner who is trained in the special practice holds the handle 1 by one hand, the V-shaped incision of the labrum excision head is clung to the root of the labrum incision, and the V-shaped incision is pushed by proper force along the labrum running, so that the sharp incision completely resects the labrum of the acetabulum at the root, thereby obtaining clean and smooth bone acetabular edge.
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 (10)
1. An acetabular labrum resectoscope, characterized in that it comprises,
the connecting rod comprises a first connecting rod and a second connecting rod and is used for extending into a deeper or narrower position of the acetabulum of the patient;
the labral resection head comprises a connecting block and a blade, wherein the connecting block is fixedly connected with the blade and is used for resecting the labrum of a patient;
the first end of the first connecting rod is fixedly connected with the first end of the second connecting rod, and the second end of the second connecting rod is fixedly connected with the first end of the connecting block.
2. The acetabular labyrinectomy knife of claim 1, wherein the first connecting rod second end is provided with a hand-held handle, the hand-held handle being fixedly connected to the first connecting rod.
3. The acetabular labyrinectomy knife of claim 2, wherein the handle is provided with grooves adjacent either side of the first connecting rod, and wherein the inner surface of the grooves is provided with a non-slip material.
4. The acetabular labrum resecting knife of claim 2, wherein the first connecting rod has a diameter smaller than the diameter of the handle, the first connecting rod being smoothly connected to the handle; the diameter of the second connecting rod is smaller than that of the first connecting rod, and the second connecting rod is in smooth connection with the first connecting rod.
5. The acetabular labyrinectomy blade of claim 2, wherein the labyrinth resection head is a flat sheet-like structure.
6. The acetabular labyrinthine resecting knife of claim 2, wherein the second end of the connecting block is curved, and the angle between the second end of the connecting block and the first end of the connecting block after bending is 60-120 degrees.
7. The acetabular labrum resectoscope according to claim 2, wherein the first end of the connector block is progressively wider and the contact between the first end of the connector block and the second connector rod is the same width as the second connector rod, and the connection between the first end of the connector block and the second connector rod is a smooth connection.
8. The acetabular labrum resecting blade of claim 2, wherein the blade shape is V-shaped.
9. The acetabular labrum resecting blade of claim 8, wherein a V-shaped blade is provided in the middle of the blade.
10. The acetabular labyrinectomy blade of any of claims 2-9, wherein the connecting rod, labyrinthian head and hand-held stem are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321015129.0U CN220069797U (en) | 2023-04-28 | 2023-04-28 | Acetabular labrum excision knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321015129.0U CN220069797U (en) | 2023-04-28 | 2023-04-28 | Acetabular labrum excision knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220069797U true CN220069797U (en) | 2023-11-24 |
Family
ID=88816445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321015129.0U Active CN220069797U (en) | 2023-04-28 | 2023-04-28 | Acetabular labrum excision knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220069797U (en) |
-
2023
- 2023-04-28 CN CN202321015129.0U patent/CN220069797U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |