CN113143439A - Novel nail extractor for orthopedics - Google Patents
Novel nail extractor for orthopedics Download PDFInfo
- Publication number
- CN113143439A CN113143439A CN202110489356.6A CN202110489356A CN113143439A CN 113143439 A CN113143439 A CN 113143439A CN 202110489356 A CN202110489356 A CN 202110489356A CN 113143439 A CN113143439 A CN 113143439A
- Authority
- CN
- China
- Prior art keywords
- nail
- rod
- sliding
- threaded
- nail pulling
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B2017/922—Devices for impaction, impact element
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a novel orthopedic nail extractor, which belongs to the technical field of medical instruments, wherein symmetrical sliding grooves are formed in the surface of a supporting plate, a supporting rod is connected to one surface of the supporting plate in a sliding manner, a bottom plate is fixedly connected to one end of the supporting rod, a positioning tube is fixedly sleeved at the central position of the supporting plate, a sliding hole is formed in the middle position of the positioning tube, a bearing is fixedly sleeved at one end of the sliding hole, a threaded rod is fixedly sleeved at the inner ring of the bearing, a motor is fixedly connected to one end of the threaded rod, a nail pulling rod is connected to the other end of the threaded rod through threads, a sliding block is fixedly sleeved at one end of the nail pulling rod, the novel orthopedic nail extractor can rapidly help a chuck to clamp one end of a bone nail through an adjusting sleeve, the bone nail is rapidly and stably pulled upwards through the threaded rod, the nail pulling efficiency is greatly improved, and the supporting rod with adjustable height and horizontal position is arranged, can guarantee the nail pulling stability of the nail taking device and avoid the occurrence of the broken nail.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a novel orthopedic nail extractor.
Background
Internal screw fixation is one of the main surgical approaches for treating bone fracture at present. The internal fixation has wide application in clinical orthopedic surgery, and has the advantages of firm fixation, convenient operation, good promotion of fracture healing and the like.
At present, in bone surgery, need take out the bone nail to the disease after the healing through getting the nail ware, but present getting the nail ware not only is difficult to fix bone nail one end at nail pulling in-process, and nail pulling efficiency is also lower moreover, and pull out the nail in-process because getting the auxiliary stay that the nail ware mostly does not have stability, also appear phenomenons such as disconnected nail comparatively easily, still can lead to dangers such as disease fracture once more, for this, we have designed a novel orthopedics with getting the nail ware, solve above-mentioned problem.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a novel orthopedic nail extractor which can help a chuck clamp one end of a bone nail quickly through an adjusting sleeve and extract the bone nail upwards quickly and stably through a threaded rod, so that the nail extraction efficiency is greatly improved, and the arranged supporting rod with adjustable height and horizontal position can ensure the nail extraction stability of the nail extractor and avoid the occurrence of broken nails.
In order to solve the above problems, the present invention adopts the following technical solutions.
A novel orthopedic nail extractor comprises a supporting plate, wherein symmetrical sliding grooves are formed in the surface of the supporting plate, a supporting rod is connected to one surface of the supporting plate in a sliding mode, a bottom plate is fixedly connected to one end of the supporting rod, a positioning tube is fixedly sleeved at the central position of the supporting plate, a sliding hole is formed in the middle position of the positioning tube, a bearing is fixedly sleeved at one end of the sliding hole, a threaded rod is fixedly sleeved on the inner ring of the bearing, a motor is fixedly connected to one end of the threaded rod, a nail pulling rod is connected to the other end of the threaded rod through threads, a sliding block is fixedly sleeved on the surface of one end of the nail pulling rod, a chuck is rotatably connected to the other end of the nail pulling rod, an adjusting sleeve is connected to the surface of the nail pulling rod through threads, a sleeve hole is formed in the central position of the adjusting sleeve, and the inner wall of the sleeve hole is in surface contact connection with one end of the chuck, this novel nail ware is got with orthopedics can be quick help chuck press from both sides the one end of tight bone nail through the adjusting collar that sets up to through upwards extracting the bone nail of threaded rod rapid stabilization, great improvement pull out nail efficiency, and but the adjustable height of setting and horizontal position's bracing piece can guarantee to get the nail ware pull out nail stability, avoid causing the condition appearance of disconnected nail.
Furthermore, the one end fixedly connected with slide bar of bracing piece, there is manual nut on the surface of slide bar through threaded connection, the extrusion of a surface contact of manual nut and backup pad, through slide bar and manual nut, the horizontal migration position of the manual regulation bracing piece of convenient to use person.
Furthermore, the sliding surface of the nail pulling rod is connected with a limiting sleeve, the surface of the limiting sleeve is fixedly connected with the inner wall of one end of the sliding hole, the limiting sleeve is made of elastic wear-resistant rubber, the limiting sleeve can limit the downward moving position of the sliding block, and one end of the nail pulling rod can not shake.
Furthermore, the surface of the sliding block is in contact connection with the inner wall of the sliding hole, the cross sections of the sliding block and the sliding hole are square, the sliding block and the sliding hole can prevent the nail pulling rod from rotating, and the up-and-down movement stability of the nail pulling rod is guaranteed.
Furthermore, a threaded hole is formed in one end of the nail pulling rod, the inner wall of the threaded hole is in threaded connection with the surface of the threaded rod, and the arranged nail pulling rod has the function of moving up and down under the action of the threads.
Furthermore, the side fixedly connected with horizontal pole of adjusting collar, the surface of horizontal pole is equipped with the anticreep ring, and the horizontal pole has skid-proof effect, and the person of facilitating the use manually rotates the adjusting collar, and then the clamping position of fixed chuck.
Furthermore, the bottom plate is cylindrical, the bottom of the bottom plate is provided with anti-skidding lines, the bottom plate is anti-skidding, and the supporting area of the supporting rod can be increased.
Compared with the prior art, the invention has the advantages that:
(1) the help chuck that this scheme can be quick through the adjusting collar that sets up presss from both sides the one end of tight bone nail to through the threaded rod rapid stabilization upwards extract the bone nail, great improvement pull out nail efficiency, and but the adjustable height and the horizontal position's of setting bracing piece, the nail pulling stability that can guarantee to get the nail ware avoids causing the condition appearance of disconnected nail.
(2) One end fixedly connected with slide bar of bracing piece, there is manual nut on the surface of slide bar through threaded connection, and the horizontal migration position of the manual regulation bracing piece of convenient to use person through slide bar and manual nut, the extrusion of a surface contact of manual nut and backup pad.
(3) The surface sliding connection of nail pulling rod has the stop collar, and the surface of stop collar and the one end inner wall fixed connection of slide opening, the material of stop collar are elasticity wear-resisting rubber, and the stop collar not only can restrict the decurrent shift position of slider, can guarantee moreover that the one end of nail pulling rod can not produce and rock.
(4) The surface of the sliding block is in contact connection with the inner wall of the sliding hole, the cross sections of the sliding block and the sliding hole are square, the sliding block and the sliding hole can prevent the nail pulling rod from rotating, and the up-and-down movement stability of the nail pulling rod is guaranteed.
(5) The one end of nail pulling rod is seted up threaded hole, and the inner wall of threaded hole and the surperficial threaded connection of threaded rod, the nail pulling rod of setting has the function that reciprocates under the effect of screw thread.
(6) The side fixedly connected with horizontal pole of adjusting collar, the surface of horizontal pole is equipped with the anticreep ring, and the horizontal pole has skid-proof effect, and the person of facilitating the use manually rotates the adjusting collar, and then the clamping position of fixed chuck.
(7) The bottom plate is cylindrical, the bottom of the bottom plate is provided with anti-skidding lines, the bottom plate is anti-skidding, and the supporting area of the supporting rod can be increased.
Drawings
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a cross-sectional view of the positioning tube and nail puller mounting structure of the present invention;
FIG. 3 is a top view of the positioning tube and slider mounting structure of the present invention;
FIG. 4 is a bottom view of the adjustment sleeve and cross bar mounting structure of the present invention;
fig. 5 is a sectional view of the mounting structure of the support plate and the support rod according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a support plate 1, a sliding groove 11, a sliding rod 12, a manual nut 13, a support rod 2, a bottom plate 21, a positioning tube 3, a sliding hole 31, a bearing 32, a threaded rod 33, a motor 34, a nail pulling rod 4, a chuck 41, a limiting sleeve 42, a threaded hole 43, an adjusting sleeve 5, a sleeve hole 51, a cross rod 52, a drop-proof ring 53 and a sliding block 6.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a novel orthopedic nail extractor comprises a support plate 1, referring to fig. 1-5, wherein symmetrical sliding grooves 11 are formed in the surface of the support plate 1, a support rod 2 is slidably connected to one surface of the support plate 1, the support rod 2 has a position adjusting function and is convenient to avoid a patient, meanwhile, the support rod 2 is a telescopic rod and has a function of automatically adjusting the height and is convenient to support a hospital bed or an operating table, the applicability is high, a bottom plate 21 is fixedly connected to one end of the support rod 2, a positioning tube 3 is fixedly sleeved at the central position of the support plate 1, a sliding hole 31 is formed in the middle position of the positioning tube 3, a bearing 32 is fixedly sleeved at one end of the sliding hole 31, the bearing 32 enables the threaded rod 33 to have a free rotation function, the connection firmness of the threaded rod 33 is improved, a threaded rod 33 is sleeved at the fixed inner ring of the bearing 32, and the threaded rod 33 is used for controlling the up-and down movement of a nail pulling rod 4, one end fixedly connected with motor 34 of threaded rod 33, motor 34 belongs to prior art, be furnished with the positive and negative switch, be used for controlling the positive and negative rotation of threaded rod 33, the other end of threaded rod 33 has nail pulling rod 4 through threaded connection, the fixed slider 6 that has cup jointed in one end surface of nail pulling rod 4, the other end rotation of nail pulling rod 4 is connected with chuck 41, chuck 41 belongs to prior art, be used for pressing from both sides tight bone nail, have automatic open-ended function, the surface of nail pulling rod 4 has adjusting collar 5 through threaded connection, adjusting collar 5 is used for fixing the closed position that chuck 41 pressed from both sides tight bone nail, the central point of adjusting collar 5 puts and is equipped with trepanning 51, the inner wall of trepanning 51 is connected with the one end surface contact of chuck 41, the one end of trepanning 51 is the tubaeform, be convenient for being connected with open chuck 41.
Referring to fig. 2 and 5, one end of the support rod 2 is fixedly connected with a slide rod 12, the surface of the slide rod 12 is connected with a manual nut 13 through a thread, one surface of the manual nut 13 is in contact extrusion with one surface of the support plate 1, the horizontal moving position of the support rod 2 is conveniently adjusted by a user through the slide rod 12 and the manual nut 13, the surface of the nail pulling rod 4 is connected with a limit sleeve 42 in a sliding manner, the surface of the limit sleeve 42 is fixedly connected with the inner wall of one end of the slide hole 31, the limit sleeve 42 is made of elastic wear-resistant rubber, the limit sleeve 42 can limit the downward moving position of the slide block 6, and one end of the nail pulling rod 4 can not shake.
Referring to fig. 2 and 3, the surface of the sliding block 6 is in contact connection with the inner wall of the sliding hole 31, the cross sections of the sliding block 6 and the sliding hole 31 are square, the sliding block 6 and the sliding hole 31 can prevent the nail pulling rod 4 from rotating, the up-and-down movement stability of the nail pulling rod 4 is ensured, one end of the nail pulling rod 4 is provided with a threaded hole 43, the inner wall of the threaded hole 43 is in threaded connection with the surface of the threaded rod 33, and the arranged nail pulling rod 4 has the up-and-down movement function under the action of the threads.
Referring to fig. 1 and 4, a cross bar 52 is fixedly connected to a side surface of the adjusting sleeve 5, an anti-slip ring 53 is disposed on a surface of the cross bar 52, the cross bar 52 has an anti-slip function, so that a user can manually rotate the adjusting sleeve 5 to fix a clamping position of the chuck 41, the bottom plate 21 is cylindrical, anti-slip lines are disposed at a bottom of the bottom plate 21, and the bottom plate 21 is anti-slip and can increase a supporting area of the supporting rod 2.
When the novel bone nail extractor is used, firstly, a clamping opening of a clamping head 41 is aligned to one end of a bone nail to be clamped, then an adjusting sleeve 5 is rotated clockwise, the adjusting sleeve 5 rotates clockwise to move downwards to extrude the clamping head 41, so that the clamping head 41 clamps one end of the bone nail, then the position of a supporting rod 2 is adjusted properly, a bottom plate 21 is supported in contact with an operation table top, then a forward transmission of a motor 34 is controlled through a forward and reverse rotation switch, the motor 34 drives a threaded rod 33 to rotate clockwise, the threaded rod 33 rotates clockwise to enable a nail pulling rod 4 to move upwards to pull out the bone nail, when the motor 34 rotates reversely, the threaded rod 33 rotates reversely, so that the nail pulling rod 4 moves downwards, the clamping head 41 can be rapidly assisted by the arranged adjusting sleeve 5 to clamp one end of the bone nail, the bone nail can be pulled out upwards quickly and stably through the threaded rod 33, the nail pulling efficiency is greatly improved, and the supporting rod 2 with adjustable height and horizontal position is arranged, can guarantee the nail pulling stability of the nail taking device and avoid the occurrence of the broken nail.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides a novel nail extractor for orthopedics, includes backup pad (1), its characterized in that: the surface of the supporting plate (1) is provided with symmetrical sliding grooves (11), one surface of the supporting plate (1) is connected with a supporting rod (2) in a sliding manner, one end of the supporting rod (2) is fixedly connected with a bottom plate (21), the central position of the supporting plate (1) is fixedly sleeved with a positioning tube (3), the middle position of the positioning tube (3) is provided with a sliding hole (31), one end of the sliding hole (31) is fixedly sleeved with a bearing (32), an inner ring of the bearing (32) is fixedly sleeved with a threaded rod (33), one end of the threaded rod (33) is fixedly connected with a motor (34), the other end of the threaded rod (33) is connected with a nail pulling rod (4) through threads, one end of the nail pulling rod (4) is fixedly sleeved with a sliding block (6), the other end of the nail pulling rod (4) is rotatably connected with a chuck (41), the surface of the nail pulling rod (4) is connected with an adjusting sleeve (5) through threads, the center position of adjusting sleeve (5) is equipped with trepanning (51), the inner wall of trepanning (51) is connected with the contact of one end surface of chuck (41).
2. The novel orthopedic nail extractor according to claim 1, characterized in that: one end fixedly connected with slide bar (12) of bracing piece (2), there is manual nut (13) surface through threaded connection slide bar (12), the surface contact extrusion of a surface and backup pad (1) of manual nut (13).
3. The novel orthopedic nail extractor according to claim 1, characterized in that: the surface sliding connection of nail pulling rod (4) has stop collar (42), the surface of stop collar (42) and the one end inner wall fixed connection of slide opening (31), the material of stop collar (42) is elasticity wear-resisting rubber.
4. The novel orthopedic nail extractor according to claim 1, characterized in that: the surface of the sliding block (6) is in contact connection with the inner wall of the sliding hole (31), and the cross sections of the sliding block (6) and the sliding hole (31) are square.
5. The novel orthopedic nail extractor according to claim 1, characterized in that: one end of the nail pulling rod (4) is provided with a threaded hole (43), and the inner wall of the threaded hole (43) is in threaded connection with the surface of the threaded rod (33).
6. The novel orthopedic nail extractor according to claim 1, characterized in that: the side of the adjusting sleeve (5) is fixedly connected with a cross rod (52), and the surface of the cross rod (52) is provided with an anti-falling ring (53).
7. The novel orthopedic nail extractor according to claim 1, characterized in that: the bottom plate (21) is cylindrical, and the bottom of the bottom plate (21) is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489356.6A CN113143439A (en) | 2021-05-06 | 2021-05-06 | Novel nail extractor for orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489356.6A CN113143439A (en) | 2021-05-06 | 2021-05-06 | Novel nail extractor for orthopedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113143439A true CN113143439A (en) | 2021-07-23 |
Family
ID=76873316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110489356.6A Pending CN113143439A (en) | 2021-05-06 | 2021-05-06 | Novel nail extractor for orthopedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113143439A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206303957U (en) * | 2016-10-18 | 2017-07-07 | 中国人民解放军第254医院 | Cardiological puncture positioning device |
| CN108392262A (en) * | 2018-04-08 | 2018-08-14 | 无锡市中医医院 | It is a kind of based on the hospital orthopedics of extrusion principle with taking nail equipment |
| CN208822949U (en) * | 2017-07-15 | 2019-05-07 | 田维建 | A kind of nail taking out apparatus in orthopaedics |
| CN110464443A (en) * | 2019-08-30 | 2019-11-19 | 重庆市人民医院 | A kind of operation device for fetching nail for orthopaedic medical treatment |
| CN111281524A (en) * | 2020-03-07 | 2020-06-16 | 王衍武 | Orthopedic nail taking device for orthopedics |
-
2021
- 2021-05-06 CN CN202110489356.6A patent/CN113143439A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206303957U (en) * | 2016-10-18 | 2017-07-07 | 中国人民解放军第254医院 | Cardiological puncture positioning device |
| CN208822949U (en) * | 2017-07-15 | 2019-05-07 | 田维建 | A kind of nail taking out apparatus in orthopaedics |
| CN108392262A (en) * | 2018-04-08 | 2018-08-14 | 无锡市中医医院 | It is a kind of based on the hospital orthopedics of extrusion principle with taking nail equipment |
| CN110464443A (en) * | 2019-08-30 | 2019-11-19 | 重庆市人民医院 | A kind of operation device for fetching nail for orthopaedic medical treatment |
| CN111281524A (en) * | 2020-03-07 | 2020-06-16 | 王衍武 | Orthopedic nail taking device for orthopedics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212140499U (en) | Retractor for neurosurgery operation | |
| CN208640787U (en) | A kind of goitre retractor | |
| CN209091478U (en) | Drag hook is used in a kind of video-assisted small notch thyroid operation | |
| CN209253089U (en) | A kind of traction restorer in radius complicated operation | |
| CN113143439A (en) | Novel nail extractor for orthopedics | |
| CN208741225U (en) | A kind of portable fractured leg traction restorer | |
| CN112754851B (en) | Upper limb stable supporting device for cardiac interventional operation treatment | |
| CN213217566U (en) | Novel broken nail extractor for orthopedics | |
| CN210447522U (en) | Adjustable bracket for four-limb disinfection | |
| CN209187123U (en) | A kind of bone traction frame | |
| CN113288249A (en) | Hepatobiliary surgery is with propping solid device | |
| CN215306229U (en) | Adjustable drag hook for hepatobiliary surgery | |
| CN219089427U (en) | Vertebral plate retractor | |
| CN207734307U (en) | Orthopedics device of changing dressings | |
| CN216908511U (en) | Clinical novel traction frame of using of orthopedics | |
| CN205494107U (en) | Adjustable brown's support | |
| CN216455153U (en) | Hemostasis compression device for inguinal hernia operation | |
| CN215018454U (en) | Be used for shin bone wicresoft to cut bone positioning guide device | |
| CN216318586U (en) | Lower limb fracture detumescence is with raising frame | |
| CN110974389B (en) | Orthopedics nail taking device | |
| CN214907458U (en) | Support is placed to orthopedic operation drag hook | |
| CN219516505U (en) | Nail taking device | |
| CN213851650U (en) | Widely-used medicine-changing foot-rest support | |
| CN216135947U (en) | Spinal surgery is with leading out device | |
| CN215937628U (en) | Novel bone fracture reduction nailing forceps for department of orthopedics and traumatology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |