CN116138868A - Broken bone nail extractor - Google Patents
Broken bone nail extractor Download PDFInfo
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- CN116138868A CN116138868A CN202310401127.3A CN202310401127A CN116138868A CN 116138868 A CN116138868 A CN 116138868A CN 202310401127 A CN202310401127 A CN 202310401127A CN 116138868 A CN116138868 A CN 116138868A
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Oral & Maxillofacial Surgery (AREA)
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Abstract
The invention relates to the technical field of medical appliances, in particular to a broken bone nail extractor. It includes the fixed body, and the fixed body includes the fixed plate, is connected with the regulation body between two fixed plates, and the regulation body includes at least: the angle body comprises a first handle, the first handle is connected with a first plate, a second plate is connected between the two first plates, and the second plate is provided with a mounting groove; the operation body comprises a connection body, the connection body is provided with a thread groove, the thread groove is connected with an outer pipe, the outer pipe is provided with an inner pipe, the inner pipe is provided with a pipe groove, the pipe groove is provided with a tool sleeve, the tool sleeve comprises a sleeve pipe, the sleeve pipe is provided with a tapping body and a suction pipe, the bottom of the sleeve pipe is provided with a tapping head, and the top of the tapping body is in plug-in fit with a third handle. The invention mainly provides a extractor for broken nails of bone nails, which adopts a plurality of sleeves, corresponding operation tools are placed in the sleeves, and the tools are replaced by rotating an inner tube, so that the operation difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a broken bone nail extractor.
Background
The bone nail is an inactive surgical metal implant for bone joint, consists of cortical bone nails and cancellous bone nails, is applied to stabilize new fracture, revision surgery, joint fusion and reconstruction of small bones of feet, ankles and toes, can be used for adult and pediatric patients, and can be taken out after healing of general fracture parts.
Because the broken bone nails are broken when the patient is subjected to non-rejection force or too intense movement, in order to avoid the deterioration of the disease, the broken bone nails need to be taken out in time and new bone nails need to be re-implanted, however, the current bone nails need to be repeatedly switched to operate tools when taken out, so that the operation is difficult and the operation time is long, and therefore, a bone nail breaking extractor is needed.
Disclosure of Invention
The invention aims to provide a bone screw broken screw extractor which solves the problems in the prior art.
In order to achieve the above object, the present invention provides a bone screw broken screw extractor, comprising a fixing body, wherein the fixing body comprises a pair of fixing plates placed in parallel, an adjusting body is connected between the two fixing plates, and the adjusting body at least comprises:
the angle body comprises a first handle connected with the middle parts of a pair of fixing plates, one side of the first handle is connected with a first plate, a second plate is connected between the two first plates, the second plate is an H-shaped structure plate, the middle part of the second plate is provided with a mounting groove penetrating through the upper surface and the lower surface of the second plate, and the mounting groove is a partial sphere structure groove;
the operation body, the operation body includes the connector, the connector is located the mounting groove with the mounting groove rotates to be connected, the thread groove that runs through its upper and lower surface is seted up at the connector middle part, the thread inslot interconnect has the outer tube, be equipped with the inner tube in the outer tube, a plurality of tube grooves that run through its upper and lower surface are seted up to the inner tube, be equipped with the tool sleeve in the tube, the tool sleeve includes and is located the sleeve pipe in the tube groove, be equipped with tapping body and straw in the sleeve pipe, the sleeve pipe bottom is equipped with the tapping head, the grafting cooperation of tapping body top has No. three handles.
As a further improvement of the technical scheme, the inner surface of the thread groove is provided with threads, the outer surface of the outer tube is correspondingly provided with threads, the outer tube is in threaded connection with the thread groove, the outer tube is provided with a fourth handle close to the side surface of the top end, the inner bottom of the outer tube is provided with an annular groove, the bottom of the inner tube is correspondingly provided with an annular bulge, and the bottom of the inner tube is rotationally connected with the annular groove.
As a further improvement of the technical scheme, the tapping body and the bottom of the suction pipe penetrate through the bottom of the sleeve and are matched with the bottom of the sleeve in a clamping manner, square protrusions are arranged on the surface of the sleeve, clamping grooves are correspondingly formed in the pipe grooves, the clamping grooves are square grooves, and the sleeve is matched with the clamping grooves in a clamping manner.
As a further improvement of the technical scheme, the bottom of the second plate is symmetrically provided with a light groove relative to the mounting groove, the light groove is a square groove, a light gathering body is slidably connected in the light groove, the light gathering body comprises a light gathering shell slidably connected with the light groove, the bottom of the light gathering shell is provided with a lamp groove, and a lighting lamp is arranged in the lamp groove.
As a further improvement of the technical scheme, the bottom of the fixing plate is symmetrically connected with a fixing frame, the fixing frame is an L-shaped structural plate, the bottom of the fixing frame is in threaded connection with a first screw, and the bottom of the first screw is in threaded connection with a bottom plate.
As a further improvement of the technical scheme, a cross rod is arranged between the fixing frames, the surface of the cross rod is sleeved with a sliding sleeve, the surface of the cross rod is provided with a semi-cylindrical structure groove, the sliding sleeve is correspondingly provided with a semi-cylindrical structure protrusion, the sliding sleeve is matched with the cross rod in a clamping manner, the top of the sliding sleeve is in threaded connection with a threaded rod, and one end of the threaded rod is rotationally connected with a binding belt.
As a further improvement of the technical scheme, a first opening is formed in the middle of the fixing plate, the first opening is connected with the first handle, the first handle is of an H-shaped cylindrical structure, the first handle is rotationally connected with the first opening, a plurality of semi-cylindrical structure grooves are formed in the surface of the first handle, a bolt is connected with one side of the fixing plate through threads, and the bolt is matched with the semi-cylindrical structure grooves of the first handle in a clamping mode.
As a further improvement of the technical scheme, a longitudinal rod is arranged at one end of the first plate, a round penetrating hole is correspondingly formed in the second plate, the longitudinal rod penetrates through the round penetrating hole of the second plate and is in sliding connection with the second plate, a second handle is rotationally connected to the middle parts of two sides of the second plate, a second hole penetrating through the surface of the first handle is formed in the first handle, and the second handle penetrates through the second hole and is in threaded connection with the second hole.
As a further improvement of the technical scheme, the side plates are arranged on two sides of the connector and are part annular plates, part annular grooves are correspondingly arranged in the mounting grooves, the side plates are matched with the mounting grooves in a clamping manner, a plurality of locking openings are arranged on the surfaces of the side plates, the locking openings are round through openings, the mounting grooves are provided with bolts, and the bolts are matched with the locking openings in a plugging manner.
Compared with the prior art, the invention has the beneficial effects that:
1. in this broken nail extractor of bone nail, can ensure through adopting joint complex mode that the instrument bottom is blocked for the instrument is located the inner tube, thereby avoids the coming off of instrument, can produce light and throw light on shadow department through being equipped with the light, through sliding connection's mode in order to adjust illumination position, thereby is favorable to the implementation of operation.
2. In this broken nail extractor of bone nail is through being equipped with threaded connection's mode for the bottom plate with the mount cooperation is fixed to the operation bed from two sides centre gripping, thereby can ensure the fixed effect of device, can fix patient's health through being equipped with the position that horizontal pole and sliding sleeve can select to fix, thereby is convenient for broken nail take out.
3. In this broken nail extractor of bone nail is through adopting sliding connection and threaded connection's mode for rotate No. two handles and can drive No. two boards and remove along the vertical pole, can fix the connector through adopting grafting complex mode, thereby avoid the unexpected deflection of connector during the operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a regulator structure according to the present invention;
FIG. 3 is a schematic view of the structure of the angle body of the present invention;
FIG. 4 is a schematic view of a structure of an angle body portion of the present invention;
FIG. 5 is a schematic view of two structures of the angle body part of the present invention;
FIG. 6 is a schematic view of a cross-sectional structure of a concentrator of the present invention;
FIG. 7 is a schematic view of the structure of the operating body of the present invention;
FIG. 8 is a schematic cross-sectional view of a portion of the operating body of the present invention;
FIG. 9 is a schematic view of two cross-sectional structures of the operation body portion of the present invention;
FIG. 10 is a schematic view of a tool sleeve according to the present invention;
fig. 11 is a schematic view of a structure of a fixing body according to the present invention.
The meaning of each reference sign in the figure is:
1. a fixed body;
11. a fixing plate; 12. a fixing frame; 13. a first screw; 14. a bottom plate; 15. a cross bar; 16. a sliding sleeve; 17. a threaded rod; 18. a strap; 19. a first port;
2. a regulating body;
21. an angle body; 211. a first handle; 212. a first plate; 213. a second plate; 214. a mounting groove; 215. a longitudinal bar; 216. a second port; 217. a second handle; 218. a light groove; 219. a light-gathering body; 2191. a light-condensing case; 2192. a lamp groove; 2193. a lighting lamp;
22. an operation body; 221. a connecting body; 222. an outer tube; 2221. a fourth handle; 223. an inner tube; 224. a tube groove; 225. a tool sleeve; 2251. a sleeve; 2252. a tapping body; 2253. a third handle; 2254. a suction pipe; 226. a side plate; 2261. a locking port; 227. a thread groove; 228. a ring groove; 229. a clamping groove.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
Referring to fig. 1-10, an objective of the present embodiment is to provide a broken bone nail extractor, which includes a fixing body 1, wherein the fixing body 1 includes a pair of fixing plates 11 disposed in parallel, the fixing plates 11 are cubic plates, an adjusting body 2 is connected between the two fixing plates 11, and the adjusting body 2 at least includes:
the angle body 21, the angle body 21 includes a first handle 211 connected with the middle part of a pair of fixed plates 11, one side of the first handle 211 is connected with a first plate 212, the first plate 212 is a cubic plate, a second plate 213 is connected between the two first plates 212, the second plate 213 is an H-shaped structural plate, the middle part of the second plate 213 is provided with a mounting groove 214 penetrating through the upper surface and the lower surface of the second plate, and the mounting groove 214 is a part sphere structural groove;
the operation body 22, the operation body 22 includes the connection body 221, the connection body 221 is partial spheroid structure, the connection body 221 is located the mounting groove 214 and rotates with the mounting groove 214 to be connected, the screw thread groove 227 that runs through its upper and lower surface is seted up at the connection body 221 middle part, screw thread groove 227 is circular wearing mouth, the inside pipe 222 that has been linked to screw thread groove 227, be equipped with inner tube 223 in the outer pipe 222, a plurality of pipe grooves 224 that run through its upper and lower surface are seted up to inner tube 223, be equipped with the tool sleeve 225 in the pipe groove 224, the tool sleeve 225 includes the sleeve pipe 2251 that is located the pipe groove 224, be equipped with tapping body 2252 and straw 2254 in the sleeve pipe 2251 bottom is equipped with the tapping head, the grafting cooperation of tapping body 2252 top has No. three handle 2253.
In specific use, the present embodiment rotates the connector 221 in the mounting groove 214 so that the outer tube 222 is directly above the broken nail, pushes the fourth handle 2221 so that the outer tube 222 is lifted in the threaded groove 227 in threaded connection with the outer tube 222 until the bottom of the outer tube 222 approaches the broken nail, rotates the inner tube 223 in the outer tube 222, and moves the sleeve 2251 with the straw 2254 down along the pipe groove 224 until the bottom of the straw 2254 contacts the broken nail, and after the residual group fabric and blood at the broken nail are cleaned by the straw 2254, the straw 2254 is moved up and rotated to the inner tube 223 so that the tap 2252 approaches the broken nail, and moves the tap 2252 downward so that the tap head contacts the broken nail, the third handle 2253 is inserted into the top of the tap 2252, and the tap head of the tap 2252 is driven to rotate on the broken nail surface by the third handle 2253, and the tap 2252 is lifted up after the tap head is tapped, the broken nail is removed.
Further, considering that the tapping body 2252 is easily contacted with the broken nail when the operation needs to be performed, the inner surface of the threaded groove 227 is provided with threads for facilitating the adjustment of the height, the outer surface of the outer tube 222 is correspondingly provided with threads, the outer tube 222 is in threaded connection with the threaded groove 227, the outer tube 222 is provided with a handle 2221 on the side surface of the top end, the handle 2221 is pushed to drive the outer tube 222 to lift along the threaded groove 227 in a threaded connection manner, so that the height is adjusted, the annular groove 228 is arranged at the inner bottom of the outer tube 222, the annular protrusion is correspondingly arranged at the bottom of the inner tube 223, the bottom of the inner tube 223 is rotationally connected with the annular groove 228, and the position of the inner tube 223 is unchanged when the outer tube 222 rotates in a rotationally connected manner.
Further, in order to avoid the tool from falling off, the bottom of the tapping body 2252 and the bottom of the suction pipe 2254 pass through the bottom of the sleeve 2251 and are matched with the bottom of the sleeve 2251 in a clamping way, square protrusions are arranged on the surface of the sleeve 2251, clamping grooves 229 are correspondingly formed in the pipe grooves 224, the clamping grooves 229 are square grooves, the sleeve 2251 is matched with the clamping grooves 229 in a clamping way, and the bottom of the tool can be ensured to be clamped in a clamping way, so that the tool is positioned in the inner pipe 223, and the falling off of the tool is avoided.
Still further, considering that light is blocked by the device during operation, a shadow is formed, so that the observation cannot be well performed, in order to facilitate the observation, the light groove 218 is symmetrically formed at the bottom of the second plate 213 with respect to the mounting groove 214, the light groove 218 is a square groove, the light groove 218 is slidably connected with the light gathering body 219, the light gathering body 219 comprises a light gathering shell 2191 slidably connected with the light groove 218, a lamp groove 2192 is formed at the bottom of the light gathering shell 2191, and an illuminating lamp 2193 is arranged in the lamp groove 2192, so that light can be generated to illuminate the shadow, and the illumination position can be conveniently adjusted in a sliding connection mode, so that the implementation of an operation is facilitated.
Examples
Referring to fig. 11, in order to facilitate the smooth removal of the broken nails, it is necessary to secure the fixation of the device and the patient's body, so this embodiment is modified from embodiment 1 as follows:
in consideration of the fact that the fixing of the holding device is needed to avoid operation errors during operation, in order to ensure the fixing effect, the fixing frame 12 is symmetrically connected to the bottom of the fixing plate 11, the fixing frame 12 is an L-shaped structural plate, a first screw rod 13 is connected to the bottom of the fixing frame 12 in a threaded mode, a bottom plate 14 is connected to the bottom of the first screw rod 13 in a threaded mode, the bottom plate 14 and the fixing frame 12 are matched to clamp and fix the operation bed from two sides, and accordingly the fixing effect of the device can be ensured.
Further, considering that the patient body is easy to drive to move when taking out broken nails, the broken nails are inconvenient to take out, in order to fix the patient body, a cross rod 15 is arranged between the fixing frames 12, a sliding sleeve 16 is sleeved on the surface of the cross rod 15, a semi-cylindrical structure groove is formed in the surface of the cross rod 15, a semi-cylindrical structure protrusion is correspondingly arranged on the sliding sleeve 16, the sliding sleeve 16 is matched with the cross rod 15 in a clamping manner, a threaded rod 17 is connected with the top of the sliding sleeve 16 in a threaded manner, one end of the threaded rod 17 is rotationally connected with a binding belt 18, and the patient body can be fixed by the aid of the binding belt 18 by being arranged at a position where the cross rod 15 and the sliding sleeve 16 can be selectively fixed, so that broken nails can be taken out conveniently.
Examples
Since the position angles of broken nails of different patients are different, in order to facilitate the removal of broken nails with different position angles, the embodiment is modified based on the embodiment 1 as follows:
wherein, consider the angle difference of broken nail department position of different patient, in order to be convenient for take out broken nail to different angles, a mouth 19 has been seted up at fixed plate 11 middle part, a mouth 19 internal connection has a handle 211, a handle 211 is "H" type cylinder structure, a handle 211 rotates with a mouth 19 to be connected, through adopting the mode of rotating the connection, make a handle 211 rotatable, thereby adjustable angle, a plurality of semi-cylindrical structure recesses have been seted up on a handle 211 surface, fixed plate 11 one side surface threaded connection has the bolt, the bolt cooperates with the semi-cylindrical structure recess joint of a handle 211, through adopting joint cooperation mode can avoid the unexpected rotation of a handle 211 during the operation.
Further, in order to facilitate moving and approach the broken nail, one end of the first plate 212 is provided with a longitudinal rod 215, the second plate 213 is correspondingly provided with a circular penetrating hole, the longitudinal rod 215 penetrates through the circular penetrating hole of the second plate 213 and is in sliding connection with the second plate 213, the middle parts of two sides of the second plate 213 are rotationally connected with second handles 217, the first handles 211 are provided with second holes 216 penetrating through the surfaces of the first handles 211, the second handles 217 penetrate through the second holes 216 and are in threaded connection with the second holes 216, and the second handles 217 can drive the second plate 213 to move along the longitudinal rod 215 in a sliding connection and threaded connection mode, so that the broken nail is conveniently approached.
Further, in order to fix the deflection angle of the connector 221 during operation, the two sides of the connector 221 are provided with side plates 226, the side plates 226 are partial annular plates, the mounting grooves 214 are correspondingly provided with partial annular grooves, the side plates 226 are matched with the mounting grooves 214 in a clamping manner, the surfaces of the side plates 226 are provided with a plurality of locking openings 2261, the locking openings 2261 are round through openings, the mounting grooves 214 are provided with bolts, the bolts are matched with the locking openings 2261 in a plugging manner, and the connector 221 can be fixed in a plugging manner, so that accidental deflection of the connector 221 during operation is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A broken bone nail extractor, which is characterized in that: including the fixed body (1), the fixed body (1) includes a pair of parallel arrangement's fixed plate (11), two be connected with between fixed plate (11) and adjust body (2), adjust body (2) include at least:
the angle body (21), the angle body (21) comprises a first handle (211) connected with the middle parts of a pair of fixed plates (11), one side of the first handle (211) is connected with a first plate (212), a second plate (213) is connected between the two first plates (212), the second plate (213) is an H-shaped structural plate, an installation groove (214) penetrating through the upper surface and the lower surface of the second plate (213) is formed in the middle part of the second plate (213), and the installation groove (214) is a partial sphere structural groove;
the operation body (22), operation body (22) includes connector (221), connector (221) are partial spheroid structure, connector (221) are located in mounting groove (214) with mounting groove (214) rotate and are connected, thread groove (227) that runs through its upper and lower surface are seted up at connector (221) middle part, thread groove (227) internal connection has outer tube (222), be equipped with inner tube (223) in outer tube (222), a plurality of tube grooves (224) that run through its upper and lower surface are seted up to inner tube (223), be equipped with tool sleeve (225) in tube groove (224), tool sleeve (225) are including being located sleeve pipe (2251) in tube groove (224), be equipped with tapping body (2252) and straw (2254) in sleeve pipe (2251) bottom is equipped with the tapping head, grafting cooperation at tapping body (2) top has three handle (3).
2. The bone screw broken screw extractor according to claim 1, wherein: the inner surface of the threaded groove (227) is provided with threads, the outer surface of the outer tube (222) is correspondingly provided with threads, the outer tube (222) is in threaded connection with the threaded groove (227), a fourth handle (2221) is arranged on the side surface of the top end of the outer tube (222), an annular groove (228) is arranged in the inner bottom of the outer tube (222), an annular bulge is correspondingly arranged at the bottom of the inner tube (223), and the bottom of the inner tube (223) is rotationally connected with the annular groove (228).
3. The bone screw broken screw extractor according to claim 1, wherein: the tapping body (2252) with straw (2254) bottom is passed sleeve pipe (2251) bottom and with sleeve pipe (2251) bottom joint cooperation, sleeve pipe (2251) surface is equipped with square protruding, draw-in groove (229) have been seted up to the correspondence in tube groove (224), draw-in groove (229) are square recess, sleeve pipe (2251) with draw-in groove (229) joint cooperation.
4. The bone screw broken screw extractor according to claim 1, wherein: the second plate (213) bottom is with mounting groove (214) symmetry has seted up light groove (218), light groove (218) are square groove, sliding connection has spotlight body (219) in light groove (218), spotlight body (219) include with light groove (218) sliding connection's spotlight shell (2191), lamp groove (2192) have been seted up to spotlight shell (2191) bottom, be equipped with light (2193) in lamp groove (2192).
5. The bone screw broken screw extractor according to claim 1, wherein: the fixing plate is characterized in that a fixing frame (12) is symmetrically connected to the bottom of the fixing plate (11), the fixing frame (12) is an L-shaped structural plate, a first screw (13) is connected to the bottom of the fixing frame (12) in a threaded mode, and a bottom plate (14) is connected to the bottom of the first screw (13) in a threaded mode.
6. The bone screw broken screw extractor according to claim 5, wherein: be equipped with horizontal pole (15) between mount (12), sliding sleeve (16) have been cup jointed on horizontal pole (15) surface, semi-cylindrical structure recess has been seted up on horizontal pole (15) surface, sliding sleeve (16) correspond and are equipped with semi-cylindrical structure arch, sliding sleeve (16) with horizontal pole (15) joint cooperation, sliding sleeve (16) top threaded connection has threaded rod (17), threaded rod (17) one end rotation is connected with bandage (18).
7. The bone screw broken screw extractor according to claim 1, wherein: the utility model discloses a fixed plate, including fixed plate (11), fixed plate (11) middle part has seted up one mouthful (19), no. one mouthful (19) internal connection have No. one handle (211), no. one handle (211) are "H" type cylinder structure, no. one handle (211) with No. one mouthful (19) rotate and are connected, a plurality of semi-cylindrical structure recesses have been seted up on No. one handle (211) surface, fixed plate (11) one side surface threaded connection has the bolt, the bolt with semi-cylindrical structure recess joint cooperation of No. one handle (211).
8. The bone screw broken screw extractor according to claim 1, wherein: one end of the first plate (212) is provided with a longitudinal rod (215), the second plate (213) is correspondingly provided with a round penetrating hole, the longitudinal rod (215) penetrates through the round penetrating hole of the second plate (213) and is in sliding connection with the second plate (213), two handles (217) are rotationally connected to the middle parts of two sides of the second plate (213), the first handle (211) is provided with a second opening (216) penetrating through the surface of the first handle, and the second handle (217) penetrates through the second opening (216) and is in threaded connection with the second opening (216).
9. The bone screw broken screw extractor according to claim 1, wherein: side plates (226) are arranged on two sides of the connecting body (221), the side plates (226) are partial annular plates, partial annular grooves are correspondingly arranged in the mounting grooves (214), the side plates (226) are matched with the mounting grooves (214) in a clamping manner, a plurality of locking ports (2261) are arranged on the surfaces of the side plates (226), the locking ports (2261) are round through ports, and the mounting grooves (214) are provided with bolts which are matched with the locking ports (2261) in a plugging manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310401127.3A CN116138868A (en) | 2023-04-15 | 2023-04-15 | Broken bone nail extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310401127.3A CN116138868A (en) | 2023-04-15 | 2023-04-15 | Broken bone nail extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116138868A true CN116138868A (en) | 2023-05-23 |
Family
ID=86339175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310401127.3A Pending CN116138868A (en) | 2023-04-15 | 2023-04-15 | Broken bone nail extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116138868A (en) |
-
2023
- 2023-04-15 CN CN202310401127.3A patent/CN116138868A/en active Pending
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