CN212281592U - Orthopedic steel plate screw groove-changing tool - Google Patents
Orthopedic steel plate screw groove-changing tool Download PDFInfo
- Publication number
- CN212281592U CN212281592U CN202020804121.2U CN202020804121U CN212281592U CN 212281592 U CN212281592 U CN 212281592U CN 202020804121 U CN202020804121 U CN 202020804121U CN 212281592 U CN212281592 U CN 212281592U
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- Prior art keywords
- steel
- fixedly connected
- speed steel
- jaw
- clamp
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 21
- 229910000997 High-speed steel Inorganic materials 0.000 claims abstract description 51
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 26
- 210000000078 claw Anatomy 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 10
- 241000425571 Trepanes Species 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 208000014674 injury Diseases 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- 241000277275 Oncorhynchus mykiss Species 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of medical equipment, in particular to an orthopedic steel plate screw grooving tool, which comprises a clamp body, wherein the outer side surface of a clamp claw on one side of a clamp body clamp mouth is fixedly connected with a high-speed steel tool bit, the inner side surface of the clamp claw on the other side of the clamp body clamp mouth is fixedly connected with a fixed groove, a reset spring is fixedly connected between corresponding surfaces of the front end position of a clamp body handle, and the elastic coefficient of the reset spring is matched with the overall structure of the clamp body; the utility model discloses a claw lateral surface fixedly connected with frontal steel tool bit of keeping silent one side at the pincers body, make this orthopedics steel sheet screw take out groove instrument of changing who uses can change out a word groove to the steel sheet screw cap through the frontal steel tool bit under the lever principle effect of the pincers body itself in the use, then use special system style of calligraphy screwdriver easily to take out the screw, avoided present clinical commonly used trepan, the bone drill bores the hole or causes great harm to backbone structural strength with the mode that bone chisel removed such as chisel around the screw with the osteotome, satisfy the user demand.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an orthopedics steel sheet screw changes groove instrument.
Background
The internal fixation of steel plate screws is one of the main surgical methods for treating limb fracture, the effectiveness and superiority of the internal fixation of steel plate screws are proved by clinical practice, however, the internal fixation of steel plate screws has certain limitations, and the steel plate screws are kept in vivo for a long time and cause osteoporosis, bending and breaking of the steel plate screws and the like due to stress shielding, so the internal fixation of the steel plate screws has already achieved common recognition clinically, after fracture healing, the steel plate screw is not suitable to be kept in the body for a long time as a foreign body and should be taken out, the fixation of the four limbs by the steel plate screw is a common internal fixation mode in clinic at present, the steel plate screw needs to be taken out after fracture healing, in the screw taking-out process, due to the operation reasons of doctors and the problems of the quality, the design and the material of the screw, the screw cap groove is damaged in the process of taking out the steel plate screw, at this time, the groove of the screw cap can be changed into a straight groove by a groove changing method, and the screw can be easily taken out by a special straight screwdriver.
At present, the trephine and the bone drill are commonly used in clinic to drill holes or chisels bone around screws, and the like, so that the method is labor-consuming and time-consuming, great damage is caused to the strength of a backbone structure, and small operations of taking out internal fixed objects become large operations with long operation time, much bleeding and serious damage, even recrushment occurs, and the use requirements of doctors cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a tool for changing the groove of the orthopedic steel plate screw.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design one kind orthopedics steel sheet screw changes groove instrument, including the pincers body, the pincers body is kept silent the claw lateral surface fixedly connected with high-speed steel tool bit of one side, the pincers body is kept silent the claw medial surface fixedly connected with fixed slot of opposite side, fixedly connected with reset spring between the corresponding face of pincers body handle front position, just reset spring's elastic coefficient with pincers body overall structure phase-match, pincers body one side handle outside position fixedly connected with anticreep ring, anticreep ring size of a dimension and adult's finger size of a dimension phase-match.
Preferably, the whole stainless steel structure that is of the pincers body, the pincers body is kept silent position one side claw and is shorted in opposite side claw, just high-speed steel tool bit fixed connection in the pincers body is kept silent the short claw lateral surface of position size, the pincers body is kept silent the fixed laminating in claw top that position size is longer and is connected with the silica gel pad.
Preferably, the high-speed steel tool bit includes high-speed steel tool post, high-speed steel blade and connecting seat, high-speed steel blade fixed connection in high-speed steel tool post end position, just the high-speed steel blade with high-speed steel tool post is integrated into one piece structure, high-speed steel tool post diameter size is 1 centimetre, high-speed steel blade thickness size is 1 millimeter, connecting seat fixed connection in high-speed steel tool post lateral surface, just the connecting seat with high-speed steel tool post is integrated into one piece structure, the connecting seat deviates from a high-speed steel tool post side pass through bolt fixed connection in the short tong claw lateral surface position of tong body front end size.
Preferably, the surface of the connecting seat is symmetrically connected with fixing bolts through threads in a penetrating manner, a threaded hole is formed in the side surface of the jaw on one side of the front end of the clamp body, and the fixing bolts are matched with the threaded hole in position structures.
Preferably, the outer side surfaces of the forceps body handles are connected with anti-skid layers in an embedded mode.
The utility model provides an orthopedics steel sheet screw changes groove instrument, beneficial effect lies in:
1. the utility model discloses a claw lateral surface fixedly connected with sharp steel tool bit of keeping silent one side at the pincers body, make this orthopedics steel sheet screw take out groove instrument of changing who uses can change out a word groove to the steel sheet screw cap through the sharp steel tool bit under the lever principle effect of the pincers body itself in the use, then use special system word type screwdriver easily to take out the screw, and is easy and simple to handle, safe in utilization, and labour saving and time saving, avoided present clinical commonly used trepan, the bone drill bores the hole or removes the mode that the bone was taken out with bone chisel with bone around the screw with ways such as bone around, bone backbone structural strength causes great harm, change the groove in-process simultaneously and be difficult for hindering and organize on every side, satisfy the user demand.
2. Through fixedly connected with reset spring between the corresponding face at pincers body handle front end position, make this kind of orthopedics steel plate screw take out change groove instrument and make the position of keeping silent of pincers body can open automatically through reset spring's effect down in the use, the doctor of being convenient for changes the groove to the steel plate screw cap, satisfies the user demand.
Drawings
FIG. 1 is a schematic structural view of a screw grooving tool for orthopedic steel plates according to the present invention;
FIG. 2 is a schematic structural view of the orthopedic steel plate screw grooving tool according to the present invention, in which the pliers body is separated from the sharp steel tool bit;
FIG. 3 is an enlarged view of A in FIGS. 1 and 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
fig. 5 is the utility model provides an orthopedics steel sheet screw changes structural schematic of sharp steel tool bit in groove instrument.
In the figure: 1. a clamp body; 2. a steel cutting head; 3. fixing grooves; 4. a return spring; 5. the anti-drop ring; 6. a silica gel pad; 7. a steel-edged tool post; 8. a steel cutting blade; 9. a connecting seat; 10. fixing the bolt; 11. a threaded hole; 12. and an anti-slip layer.
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.
Referring to fig. 1-5, an orthopedic steel plate screw groove-changing tool comprises a clamp body 1, a clamp claw outer side surface of one side of a clamp jaw 1 is fixedly connected with a high-speed steel tool bit 2, a clamp claw inner side surface of the other side of the clamp jaw 1 is fixedly connected with a fixing groove 3, a reset spring 4 is fixedly connected between corresponding surfaces at the front end of a handle of the clamp body 1, the elastic coefficient of the reset spring 4 is matched with the whole structure of the clamp body 1, a handle outer side position of one side of the clamp body 1 is fixedly connected with an anti-slip ring 5, and the size of the anti-slip ring 5 is matched with the size of an adult finger.
The overall pliers body 1 is of a stainless steel structure, one side of the pliers body 1, which is positioned at the jaw position, is shorter than the other side of the pliers body, the high-speed steel tool bit 2 is fixedly connected to the outer side surface of the pliers body 1, which is positioned at the jaw position, and the top of the pliers body 1, which is positioned at the jaw position and is longer in size, is fixedly attached and connected with a silica gel pad 6; set up to a long short structure through the claw with the pincers body 1, provide certain space for the use of sharp steel tool bit 2, satisfy the user demand, be connected with silica gel pad 6 through keeping silent the longer claw top fixed laminating of position size at the pincers body 1, can further protect patient wound, avoid this kind to change groove instrument in the use, the 1 claw front end of the pincers body of metallic structure causes certain injury to the patient.
The high-speed steel tool bit 2 comprises a high-speed steel tool post 7, a high-speed steel blade 8 and a connecting seat 9, the high-speed steel blade 8 is fixedly connected to the end position of the high-speed steel tool post 7, the high-speed steel blade 8 and the high-speed steel tool post 7 are of an integrally formed structure, the diameter size of the high-speed steel tool post 7 is 1 cm, the thickness size of the high-speed steel blade 8 is 1 mm, the connecting seat 9 is fixedly connected to the outer side surface of the high-speed steel tool post 7, the connecting seat 9 and the high-speed steel tool post 7 are of an integrally formed structure, and one side of the connecting seat 9, which deviates from the high-speed steel tool post 7; the high-speed steel is a tool steel with high hardness, high wear resistance and high heat resistance. The high-speed steel is a complex steel type, the carbon content is 0.70-1.65%, the high-speed steel contains more alloy elements, the total amount can reach 10-25%, the hardness is HRC58-66, the high-hardness steel has excellent anti-rust, anti-corrosion, wear-resisting and ideal impact resistance, the high-speed steel is used for manufacturing the groove-changing tool, the high-speed steel is the best choice, the high-speed steel head 2 is fixedly connected to the outer side surface of the jaw on one side of the jaw body 1, so that the groove-changing tool for taking out the orthopedic steel plate screw can change a straight groove on the steel plate screw cap through the high-speed steel head 2 under the lever principle of the jaw body 1 in the using process, then a special straight screwdriver is used for easily taking out the screw, the phenomenon that the currently clinically used ring takes out the high damage to the strength of the backbone structure is avoided, and the use requirements are met.
The surface of the connecting seat 9 is symmetrically connected with fixing bolts 10 through threads in a penetrating manner, a threaded hole 11 is formed in the side surface of the jaw on one side of the front end of the clamp body 1, and the fixing bolts 10 are matched with the threaded hole 11 in position structure; through being equipped with fixing bolt 10 and screw hole 11, make high-speed steel tool bit 2 can realize dismantling the change, after the high-speed steel blade 8 of high-speed steel tool bit 2 produces passivation phenomenon after using for a long time, under fixing bolt 10 and the 11 mating reaction of screw hole, can dismantle the change to high-speed steel tool bit 2, satisfy the user demand.
The outer side surfaces of handles of the pliers body 1 are connected with anti-skid layers 12 in an embedded mode; by arranging the anti-slip layer 12, the accidental falling-off phenomenon of the groove changing tool in the using process is avoided.
When the orthopedic steel plate screw grooving tool is used, firstly, a surgeon holds the handle of the grooving tool with one hand, inserts a ring finger into the anti-slip ring 5, avoids the slipping of the grooving tool from the surgeon's hand due to unexpected factors in the operation process and causes unnecessary injury to a patient, clamps the bottom end position of the steel plate screw in the fixed groove 3, and enables the surface of the steel plate screw cap to be changed into a straight groove through the sharp steel tool bit 2 under the action of the lever principle of the clamp body 1 by pressing the handle of the clamp body 1, after each pressing, the jaw position of the clamp body 1 can be automatically opened under the action of the reset spring 4, so that the surgeon can conveniently change the groove of the steel plate screw cap to meet the use requirement, and meanwhile, in the process, the silica gel pad 6 fixedly attached and connected with the top of the clamp jaw with the longer jaw position size of the clamp body 1 can further protect the wound of the patient, avoid this kind of tool of changing groove in the use, the 1 tong claw front end of the pincers body of metallic structure causes certain injury to the patient, this kind of tool of changing groove is easy and simple to handle, safe in utilization, and labour saving and time saving, avoided present clinical use trepan, bone drill to bore the hole or with the osteotome with the bone chisel remove around the screw way of taking out to cause great harm to backbone structural strength, change the difficult injury of in-process of groove and organize on every side simultaneously, satisfy the user demand.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an orthopedics steel sheet screw instrument of changing groove, includes the pincers body (1), its characterized in that, the pincers body (1) keeps silent the claw lateral surface fixedly connected with high-speed steel tool bit (2) of one side of keeping silent, the pincers body (1) keeps silent the claw medial surface fixedly connected with fixed slot (3) of opposite side, fixedly connected with reset spring (4) between the face that corresponds of the pincers body (1) handle front position, just the elastic coefficient of reset spring (4) with pincers body (1) overall structure phase-match, pincers body (1) one side handle outside position fixedly connected with anticreep ring (5), anticreep ring (5) size of a dimension and adult's finger size phase-match.
2. The orthopedic steel plate screw grooving tool according to claim 1, wherein the clamp body (1) is integrally of a stainless steel structure, one jaw of the clamp body (1) is shorter than the other jaw at one side of the jaw position, the sharp steel tool bit (2) is fixedly connected to the outer side surface of the jaw of the clamp body (1) with a shorter jaw position size, and the top of the jaw of the clamp body (1) with a longer jaw position size is fixedly attached to a silica gel pad (6).
3. The orthopedic steel plate screw grooving tool of claim 1, the high-speed steel cutter head (2) comprises a high-speed steel cutter post (7), a high-speed steel blade (8) and a connecting seat (9), the high-speed steel blade (8) is fixedly connected with the end position of the high-speed steel knife column (7), and the high-speed steel blade (8) and the high-speed steel knife column (7) are of an integrated structure, the diameter of the steel-edge knife column (7) is 1 cm, the thickness of the steel-edge knife blade (8) is 1 mm, the connecting seat (9) is fixedly connected with the outer side surface of the high-speed steel knife post (7), and the connecting seat (9) and the high-speed steel knife post (7) are of an integrated structure, the connecting seat (9) deviates from one side of the high-speed steel knife post (7) is fixedly connected with the outer side surface of the short jaw in the front end size of the pliers body (1) through a bolt.
4. The orthopedic steel plate screw grooving tool according to claim 3, wherein fixing bolts (10) are symmetrically connected to the surface of the connecting seat (9) in a penetrating mode through threads, a threaded hole (11) is formed in the side surface of the jaw on one side of the front end of the clamp body (1), and the fixing bolts (10) are matched with the threaded hole (11) in position structure.
5. The orthopedic steel plate screw grooving tool according to claim 1, wherein the outer side surfaces of handles of the forceps body (1) are respectively connected with an anti-slip layer (12) in an embedded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020804121.2U CN212281592U (en) | 2020-05-15 | 2020-05-15 | Orthopedic steel plate screw groove-changing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020804121.2U CN212281592U (en) | 2020-05-15 | 2020-05-15 | Orthopedic steel plate screw groove-changing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212281592U true CN212281592U (en) | 2021-01-05 |
Family
ID=73968447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020804121.2U Expired - Fee Related CN212281592U (en) | 2020-05-15 | 2020-05-15 | Orthopedic steel plate screw groove-changing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212281592U (en) |
-
2020
- 2020-05-15 CN CN202020804121.2U patent/CN212281592U/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: 20210105 |