CN217138176U - X-shaped reamer for treating femoral head necrosis - Google Patents
X-shaped reamer for treating femoral head necrosis Download PDFInfo
- Publication number
- CN217138176U CN217138176U CN202221049968.XU CN202221049968U CN217138176U CN 217138176 U CN217138176 U CN 217138176U CN 202221049968 U CN202221049968 U CN 202221049968U CN 217138176 U CN217138176 U CN 217138176U
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- China
- Prior art keywords
- connecting rod
- reamer
- sleeve
- welded
- pipe
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- Expired - Fee Related
Links
- 230000017074 necrotic cell death Effects 0.000 title claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 8
- 206010028851 Necrosis Diseases 0.000 claims description 19
- 238000009499 grossing Methods 0.000 claims description 2
- 230000036285 pathological change Effects 0.000 abstract description 9
- 231100000915 pathological change Toxicity 0.000 abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 5
- 208000002193 Pain Diseases 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001338 necrotic effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 208000015813 Familial avascular necrosis of femoral head Diseases 0.000 description 1
- 208000007875 Femur Head Necrosis Diseases 0.000 description 1
- 206010022562 Intermittent claudication Diseases 0.000 description 1
- 208000007101 Muscle Cramp Diseases 0.000 description 1
- 206010057178 Osteoarthropathies Diseases 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 208000024980 claudication Diseases 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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Abstract
The utility model provides an X-shaped reamer for treating femoral head necrosis, which comprises a handle, a connecting rod, external threads, a sleeve, a threaded hole, a threaded column, a reamer, an extension pipe, a storage cavity, a baffle, a suction port and a joint, wherein the connecting rod is welded on the lower side surface of the handle, and the external threads are arranged on the upper side surface of the connecting rod; the connecting rod is connected with a sleeve through an external thread, wherein the sleeve is sleeved on the outer side surface of the connecting rod; the lower end of the connecting rod is provided with a threaded hole, a threaded column is arranged in the threaded hole in a threaded engagement mode, and a reamer is welded at the lower end of the threaded column; the outer side surface of the lower end of the sleeve is connected with the lengthening pipe through external threads; the lower end of the lengthening pipe is internally provided with a suction port, and one side surface of the lengthening pipe is provided with a joint. The utility model discloses the setting of screw post, reamer and extension pipe, convenient to use is convenient for dismantle the disinfection around using, can reject the pathological change that position cun bored, and the pathological change piece of rejecting can absorb, prevents the secondary pathological change.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to an X-shaped reamer of treatment femoral head necrosis.
Background
Femoral head necrosis, also known as ischemic necrosis or aseptic necrosis of femoral head, is a common osteoarthropathy. Most of the diseases are caused by rheumatism, hematopathy, caisson's disease, large amount of hormone application, long-term drinking, etc., which firstly destroy the blood supply of the adjacent articular tissues and then cause necrosis. The main symptoms of femoral head necrosis gradually progress from intermittent pain to persistent pain, muscle spasm is caused by the pain, joint movement is limited, and severe disabling and claudication are caused finally. Early and medium-term treatment of femoral head necrosis is a difficult problem faced by the existing orthopedics department, although the treatment methods are many, the curative effect is not satisfactory, and the femoral head necrosis is often further developed to collapse or the existing collapse is further aggravated. In order to further improve the regeneration and repair capability of bone tissue in a diseased region with femoral head necrosis, the diseased tissue and necrotic bone in the diseased region need to be removed, and the necrotic bone is usually removed through a series of operations such as windowing, reaming, removing, sucking and the like. In a removal procedure, a removal reamer is typically used to remove diseased tissue within the femoral head.
The Chinese patent publication No. CN 211985572U, the utility model discloses an X-shaped reamer for treating femoral head necrosis. Including suction hose, first blade and second blade, the head of first blade is the arc cutting edge, second blade and first blade adaptation, and the afterbody of first blade and the afterbody of second blade are all fixed even has the shifting block, and the shifting block is flat V type, and the right-hand member of shifting block slides to be pegged graft and has the first nail, and first blade is located the top of second blade, and the lateral wall fixed surface of first nail is connected with suction hose. However, the existing X-shaped reamer for treating femoral head necrosis has the problems that the use is inconvenient, the blade is easy to damage, the blade cannot be replaced, and the window needs to be opened on the body of a patient again when the patient encounters an angular drilling position.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an X-shaped reamer of treatment femoral head necrosis solves the problem of mentioning among the background art.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a X-shaped reamer of treatment femoral head necrosis, including handle, connecting rod, external screw thread, sleeve pipe, screw hole, screw post, reamer, extension pipe, deposit chamber, baffle, absorption mouth and joint, its characterized in that: the lower side surface of the handle is welded with a connecting rod, and the upper side surface of the connecting rod is provided with external threads; the connecting rod is connected with the sleeve through an external thread, wherein the sleeve is sleeved on the outer side surface of the connecting rod; the lower end of the connecting rod is provided with a threaded hole, a threaded column is arranged in the threaded hole in a threaded engagement mode, and a reamer is welded at the lower end of the threaded column; the outer side surface of the lower end of the sleeve is connected with the lengthened pipe through external threads, a storage cavity is arranged inside the upper end of the lengthened pipe, a baffle is arranged at the lower end of the storage cavity, and the edge of the baffle is welded with the inner wall of the lengthened pipe; the lower end of the lengthening pipe is internally provided with a suction opening, wherein one side surface of the lengthening pipe is provided with a joint, and the joint is communicated with the suction opening.
The reamer comprises a fixed column, a rotating plate, a supporting column, a first blade and a second blade, wherein the upper end of the fixed column is welded with the threaded column, the lower end of the fixed column penetrates through the rotating plate, and the middle part of the rotating plate is connected with the fixed column through a bearing; the lower extreme welding of rotor plate has the support column, and wherein the lower extreme welding of support column has first blade, and the lower extreme welding of first blade has the second blade.
Furthermore, the inner wall of the upper end of the elongated tube is provided with an internal thread, wherein the upper end of the elongated tube is connected with the sleeve through the meshing of the internal thread and the external thread; and the lower end of the lengthening pipe is subjected to smoothing treatment, wherein the lengthening pipe is welded with the joint.
Furthermore, an internal thread is arranged inside the upper end of the sleeve, the sleeve is connected with the connecting rod through the meshing of the internal thread and the external thread, and the external thread is arranged on the side face of the lower end of the sleeve.
Further, the lateral surface of handle is provided with the rubber layer, and wherein handle middle part downside welding has the connecting rod, and the handle sets up with the connecting rod is perpendicular.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the setting of reamer when running into the pathological change region that the position was cunning, first blade and second blade transform position when can be through rotating the rotor plate, need not be at patient's windowing on one's body again, has reduced the danger of operation.
2. The utility model discloses the disinfection can take off the reamer through the screw post before or after the operation in the setting of screw post, when long-time the use, when wearing and tearing appear easily in first blade and second blade, can dismantle the change through the screw post, has improved the security of operation.
3. The utility model discloses the setting of extension pipe can absorb the pathological change piece that the reamer was scraped out, prevents that pathological change piece secondary from breeding, and slick and sly processing can prevent that the extension pipe from causing secondary damage to patient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the half-section structure of the present invention.
Fig. 2 is a schematic view of the reamer of the present invention.
Fig. 3 is a schematic view of the structure of the extension pipe of the present invention.
In the figure:
1-handle, 2-connecting rod, 3-external thread, 4-sleeve, 5-threaded hole, 6-threaded column, 7-reamer, 71-fixed column, 72-rotating plate, 73-supporting column, 74-first blade, 75-second blade, 8-lengthened tube, 9-storage cavity, 10-baffle, 11-suction port and 12-joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "around", and the like, indicate positional or orientational relationships and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1 and 3, the utility model discloses an X-shaped reamer for treating femoral head necrosis seems very necessary, including handle 1, connecting rod 2, external screw thread 3, sleeve pipe 4, screw hole 5, threaded column 6, reamer 7, extension pipe 8, deposit chamber 9, baffle 10, absorb mouth 11 and joint 12, its characterized in that: a connecting rod 2 is welded on the lower side surface of the handle 1, and an external thread 3 is arranged on the upper side surface of the connecting rod 2; the connecting rod 3 is connected with a sleeve 4 through an external thread 3, wherein the sleeve 4 is sleeved on the outer side surface of the connecting rod 2; the lower end of the connecting rod 2 is provided with a threaded hole 5, wherein a threaded column 6 is arranged inside the threaded hole 5 in a threaded engagement mode, and a reamer 7 is welded at the lower end of the threaded column 6; the outer side surface of the lower end of the sleeve 4 is connected with the lengthened pipe 8 through the external thread 3, wherein a storage cavity 9 is arranged inside the upper end of the lengthened pipe 8, a baffle plate 10 is arranged at the lower end of the storage cavity 9, and the edge of the baffle plate 10 is welded with the inner wall of the lengthened pipe 8; the lower end of the elongated tube 8 is provided with a suction port 11, wherein a side surface of the elongated tube 8 is provided with a joint 12, and the joint 12 is communicated with the suction port 11.
As shown in fig. 2, the reamer 7 comprises a fixed column 71, a rotating plate 72, a supporting column 73, a first blade 74 and a second blade 75, wherein the upper end of the fixed column 71 is welded with the threaded column 6, the lower end of the fixed column 71 passes through the rotating plate 72, and the middle part of the rotating plate 72 is connected with the fixed column 71 through a bearing; a support column 73 is welded to the lower end of the rotating plate 72, wherein a first blade 74 is welded to the lower end of the support column 73, and a second blade 75 is welded to the lower end of the first blade 74.
Wherein, the inner wall of the upper end of the lengthened pipe 8 is provided with an internal thread, and the upper end of the lengthened pipe 8 is engaged with the sleeve 4 through the internal thread and the external thread 3; the lower end of the extension pipe 8 is smoothened, wherein the extension pipe 8 is welded with the joint 12.
Wherein, the inside internal thread that is provided with in upper end of sleeve pipe 4, wherein sleeve pipe 4 links to each other with connecting rod 2 through internal thread and the meshing of external screw thread 3, and the lower extreme of sleeve pipe 4 is provided with external screw thread 3 for the side.
Wherein, the lateral surface of handle 1 is provided with the rubber layer, and wherein handle 1 middle part downside welding has connecting rod 2, and handle 1 sets up with connecting rod 2 is perpendicular.
Referring to fig. 1-3, the present invention relates to an X-shaped reamer for treating femoral head necrosis, which works according to the following principle: when the reamer is required to be used, firstly, the reamer 7 is taken down through the threaded column 6 for sterilization, after the sterilization, the reamer 7 is installed well through the matching of the threaded column 6 and the threaded hole 5, the handle 1 is rotated to drive the connecting rod 2 to rotate, the connecting rod 2 moves in the sleeve 4 under the action of the external thread 3, after the reamer is moved to a proper position, the pathological change area of a patient is removed through the first blade 74 and the second blade 75, the sleeve 4 can prevent the reamer 7 from rotating in the sleeve 4, when the pathological change area is drilled, the supporting column 73 is leaked through the rotating handle 1, the rotating supporting column 73 can change the angle between the first blade 74 and the second blade 75 and the sleeve 4, the pathological change area at the drilling position is convenient to be removed, and after the removal is finished, the extension pipe 8 is installed well through the external thread 3, the connector 12 is connected to an external suction device, and the scraped lesion debris is sucked through the suction port 11 and discharged through the connector 12.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a treatment femoral head necrosis's X reamer, includes handle (1), connecting rod (2), external screw thread (3), sleeve pipe (4), screw hole (5), screw thread post (6), reamer (7), extension pipe (8), deposits chamber (9), baffle (10), draws mouthful (11) and connects (12), its characterized in that: the lower side surface of the handle (1) is welded with a connecting rod (2), and the upper side surface of the connecting rod (2) is provided with an external thread (3); the connecting rod (2) is connected with a sleeve (4) through an external thread (3), wherein the sleeve (4) is sleeved on the outer side surface of the connecting rod (2); the lower end of the connecting rod (2) is provided with a threaded hole (5), a threaded column (6) is arranged inside the threaded hole (5) in a threaded engagement mode, and a reamer (7) is welded at the lower end of the threaded column (6); the outer side surface of the lower end of the sleeve (4) is connected with the lengthened pipe (8) through the external thread (3), wherein a storage cavity (9) is formed in the upper end of the lengthened pipe (8), a baffle (10) is arranged at the lower end of the storage cavity (9), and the edge of the baffle (10) is welded with the inner wall of the lengthened pipe (8); the lower end of the lengthening pipe (8) is internally provided with a suction opening (11), wherein a joint (12) is arranged on one side surface of the lengthening pipe (8), and the joint (12) is communicated with the suction opening (11).
2. The X-reamer of claim 1, wherein the femoral head necrosis treatment comprises: the reamer (7) comprises a fixed column (71), a rotating plate (72), a supporting column (73), a first blade (74) and a second blade (75), the upper end of the fixed column (71) is welded with the threaded column (6), the lower end of the fixed column (71) penetrates through the rotating plate (72), and the middle of the rotating plate (72) is connected with the fixed column (71) through a bearing; the lower end of the rotating plate (72) is welded with a supporting column (73), wherein the lower end of the supporting column (73) is welded with a first blade (74), and the lower end of the first blade (74) is welded with a second blade (75).
3. The X-reamer of claim 1, wherein the femoral head necrosis treatment comprises: the inner wall of the upper end of the lengthened pipe (8) is provided with an internal thread, wherein the upper end of the lengthened pipe (8) is connected with the sleeve (4) through the engagement of the internal thread and the external thread (3); the lower end of the lengthening pipe (8) is subjected to smoothing treatment, wherein the lengthening pipe (8) is welded with the joint (12).
4. The X-reamer of claim 1, wherein the femoral head necrosis treatment comprises: the internal thread is arranged inside the upper end of the sleeve (4), wherein the sleeve (4) is connected with the connecting rod (2) through the engagement of the internal thread and the external thread (3), and the external thread (3) is arranged on the side face of the lower end of the sleeve (4).
5. The X-reamer of claim 1, wherein the femoral head necrosis treatment comprises: the rubber layer is arranged on the outer side face of the handle (1), the connecting rod (2) is welded on the lower side face of the middle of the handle (1), and the handle (1) and the connecting rod (2) are perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221049968.XU CN217138176U (en) | 2022-05-05 | 2022-05-05 | X-shaped reamer for treating femoral head necrosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221049968.XU CN217138176U (en) | 2022-05-05 | 2022-05-05 | X-shaped reamer for treating femoral head necrosis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217138176U true CN217138176U (en) | 2022-08-09 |
Family
ID=82664513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221049968.XU Expired - Fee Related CN217138176U (en) | 2022-05-05 | 2022-05-05 | X-shaped reamer for treating femoral head necrosis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217138176U (en) |
-
2022
- 2022-05-05 CN CN202221049968.XU patent/CN217138176U/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: 20220809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |