CN111166457A - Closed needle threading device for orthopedics department - Google Patents
Closed needle threading device for orthopedics department Download PDFInfo
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- CN111166457A CN111166457A CN202010083763.2A CN202010083763A CN111166457A CN 111166457 A CN111166457 A CN 111166457A CN 202010083763 A CN202010083763 A CN 202010083763A CN 111166457 A CN111166457 A CN 111166457A
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- rod
- tube
- needle
- needle threading
- fixing
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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
-
- 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
- A61B17/90—Guides therefor
-
- 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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- 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)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of orthopedic closure, in particular to an orthopedic closure needle threading device, which comprises a bottom plate, wherein a vertically arranged support rod is fixedly arranged at the upper end of the bottom plate, a horizontal fixing plate is fixedly arranged at the upper end of the support rod, a vertical fixing rod is fixedly arranged at the upper end of the fixing plate, the cross section of the fixing rod is square, a sleeve is sleeved on a rod body of the fixing rod, a horizontal first needle threading tube is fixedly connected onto the side wall of the sleeve, a vertical connecting rod is connected onto the outer wall of the first needle threading tube, a horizontal fixing tube is connected to the other end of the connecting rod, the fixing tube is parallel to the first needle threading tube, when the device is used for threading, only compressed air in an air bag needs to be discharged when the needle threading tube needs to be removed, the first needle threading tube, the second needle threading tube and a Kirschner wire can be separated, and the Kirschner wire is not, is not easy to cause adverse effects.
Description
Technical Field
The invention relates to the technical field of orthopedic closure, in particular to an orthopedic closure needle threading device.
Background
Fracture refers to a disease of partial or complete fracture of bone due to trauma or pathology, when treating fracture, the broken end of the displaced bone after fracture is usually restored to normal or close to the original normal position, after fracture reduction, the bone is easy to be displaced again because of its instability, so it should be fixed on the satisfied position by different methods to heal gradually, and the fixing method includes external fixation and internal fixation.
The kirschner wire fixation is a common internal fixation method, the kirschner wire fixation is usually adopted for some unstable fractures, and the clinical kirschner wire fixation effect is better for short bones, irregular bones, adjacent joint fracture fixation and trans-joint fixation.
When fixing the kirschner wire, at first need install the one end of kirschner wire on the electric drill, then open the electric drill, squeeze into the skeleton that needs to fix with the kirschner wire, it is difficult to hold to squeeze into the kirschner wire according to predetermined angle and position accuracy, generally need adopt the needle tubing to carry on spacingly and direction to the kirschner wire, improve the accuracy of kirschner wire needle threading position, avoid hitting into many times of kirschner wire, reduce the damage to surrounding tissue, current needle tubing is generally the pipe form, when needle tubing and kirschner wire separate, need take away the needle tubing along the length direction of kirschner wire, take the in-process needle tubing easily to pull and move the kirschner wire, cause bad influence easily.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an orthopedic closed needle threading device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the closed needle threading device for the orthopedics department comprises a bottom plate, wherein a vertically arranged supporting rod is fixedly mounted at the upper end of the bottom plate, a horizontal fixing plate is fixedly mounted at the upper end of the supporting rod, a vertical fixing rod is fixedly mounted at the upper end of the fixing plate, the cross section of the fixing rod is square, a sleeve is sleeved on a rod body of the fixing rod, a horizontal first needle threading tube is fixedly connected onto the side wall of the sleeve, a vertical connecting rod is connected onto the outer wall of the first needle threading tube, a horizontal fixing tube is connected to the other end of the connecting rod, the fixing tube is parallel to the first needle threading tube, a seal head is arranged at one end, close to the fixing rod, of the fixing tube, a movable rod is inserted into the fixing tube, a second spring is connected between the movable rod and the inner wall of the fixing tube, the end of the movable rod is fixedly connected with the vertical connecting rod, and the lower, the second needle threading tube and the first needle threading tube are located on the same straight line, the vertical through groove is formed in the upper ends of the second needle threading tube and the first needle threading tube, the rotating sheets are installed on the inner walls of two sides of the through groove in a rotating mode, the end portions of the rotating sheets are in contact with each other, and air bags are installed between the rotating sheets and the inner walls of the through groove.
Preferably, the air bags are provided with an air inlet and an air outlet.
Preferably, an air compressor is placed on the bottom plate, the outlet end of the air compressor is communicated with the air bag on the first needle threading pipe through a first connecting pipe, and the outlet end of the air compressor is communicated with the air bag on the second needle threading pipe through a second connecting pipe.
Preferably, the vertical section of the rotating sheet is circular arc.
Preferably, the fixed plate is further connected with a screw rod through threads, the upper end of the screw rod is rotatably connected with the movable plate, the movable plate is sleeved on the fixed rod, and the upper end face of the movable plate is in contact with the lower end face of the sleeve.
Preferably, a handle is fixedly mounted at the lower end of the screw rod.
Preferably, the upper end of the fixed rod is cylindrical, and the upper end of the fixed rod is connected with the movable block through threads.
Preferably, the lower end of the movable block is fixedly connected with a first spring, the first spring is sleeved on the fixed rod, and the lower end face of the first spring is in contact with the upper end face of the sleeve.
Preferably, the lower end of the first spring is connected with a movable ring, and the lower end face of the movable ring is in contact with the upper end face of the sleeve.
The invention has the beneficial effects that:
1. when this device is worn the needle, wear needle tubing with first needle tubing and second and fix the both sides at treating the needle position, reuse electric drill cooperation ke shi needle and wear the needle, wear the first needle tubing of needle in-process and can play the guide effect to the ke shi needle, the going on smoothly of being convenient for wear the needle has avoided hitting into many times of ke shi needle, reduces the damage to surrounding tissue.
2. When the needle is threaded by the device, the needle threading tube is required to be removed, only the compressed air in the air bag needs to be discharged, the upper ends of the first needle threading tube and the second needle threading tube are both in an open shape, the screw rod is loosened, the first needle threading tube and the second needle threading tube can be separated from the Kirschner wire, the Kirschner wire is not easy to pull in the separation process, and adverse effects are not easily caused.
Drawings
Fig. 1 is a front view structural schematic diagram of an orthopedic closed needle threading device provided by the invention;
FIG. 2 is a schematic side view of the orthopedic closed needle threading device according to the present invention;
FIG. 3 is a schematic structural view of a fixed tube and a movable rod of the orthopedic closed needle threading device according to the present invention;
FIG. 4 is a schematic side view of the first needle threading tube and the fixing tube of the orthopedic closed needle threading device according to the present invention;
fig. 5 is a schematic side view of the first needle penetrating tube of the orthopedic closed needle penetrating device according to the present invention.
In the figure: the device comprises a base plate 1, a supporting rod 2, a fixing plate 3, a fixing rod 4, a movable plate 5, a screw rod 6, a sleeve 7, a movable block 8, a first spring 9, a movable ring 10, a first needle penetrating tube 11, a connecting rod 12, a fixed tube 13, a movable rod 14, a second spring 15, a second needle penetrating tube 16, an air compressor 17, a first connecting tube 18, a second connecting tube 19, an air bag 20 and a rotating sheet 21.
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.
Referring to fig. 1-5, an orthopedic closed needle threading device comprises a base plate 1, wherein a vertically arranged support rod 2 is fixedly mounted at the upper end of the base plate 1, a horizontally arranged fixing plate 3 is fixedly mounted at the upper end of the support rod 2, a vertically arranged fixing rod 4 is fixedly mounted at the upper end of the fixing plate 3, the cross section of the fixing rod 4 is square, a sleeve 7 is sleeved on a rod body of the fixing rod 4, a horizontally arranged first needle threading tube 11 is fixedly connected to the side wall of the sleeve 7, a vertically arranged connecting rod 12 is connected to the outer wall of the first needle threading tube 11, the other end of the connecting rod 12 is connected with a horizontally arranged fixing tube 13, the fixing tube 13 is parallel to the first needle threading tube 11, a seal head is arranged at one end of the fixing tube 13 close to the fixing rod 4, a movable rod 14 is inserted in the fixing tube 13, and a second spring 15 is connected between the movable rod 14 and the, connecting rod 12 of the vertical form of tip fixedly connected with of movable rod 14, the needle tubing 16 is worn to the lower extreme fixedly connected with second of connecting rod 12, second needle tubing 16 is located same straight line with first needle tubing 11, and the logical groove of vertical form is all seted up with the upper end of first needle tubing 11 to second needle tubing 16, all rotates on the inner wall of leading to the groove both sides and installs rotor plate 21, and the tip of rotor plate 21 contacts, and all installs gasbag 20 between the inner wall in rotor plate 21 and logical groove.
Further, the air bag 20 is provided with an air inlet and an air outlet, and the air inlet and the air outlet are provided with electromagnetic valves.
Further, an air compressor 17 is placed on the bottom plate 1, an outlet end of the air compressor 17 is communicated with an air bag 20 on the first needle penetrating tube 11 through a first connecting tube 18, an outlet end of the air compressor 17 is communicated with an air bag 20 on the second needle penetrating tube 16 through a second connecting tube 19, and the first connecting tube 18 and the second connecting tube 19 are both rubber hoses.
Further, the vertical section of the rotating piece 21 is circular arc, and when the air bag 20 is inflated, the rotating piece 21 and the inner wall of the first needle puncture tube 11 or the inner wall of the second needle puncture tube 16 can form a circular tube.
Further, a screw rod 6 is further connected to the fixed plate 3 through threads, the upper end of the screw rod 6 is rotatably connected to the movable plate 5, the movable plate 5 is sleeved on the fixed rod 4, the upper end face of the movable plate 5 is in contact with the lower end face of the sleeve 7, the movable plate 5 can be driven to move by rotating the screw rod 6, and the sleeve 7 can be driven to move when the movable plate 5 moves.
Further, a handle is fixedly arranged at the lower end of the screw rod 6.
Further, the upper end of the fixed rod 4 is cylindrical, and the upper end of the fixed rod 4 is connected with a movable block 8 through threads.
Further, the lower end of the movable block 8 is fixedly connected with a first spring 9, the first spring 9 is sleeved on the fixed rod 4, and the lower end face of the first spring 9 is in contact with the upper end face of the sleeve 7.
Furthermore, the lower end of the first spring 9 is connected with a movable ring 10, the lower end surface of the movable ring 10 is in contact with the upper end surface of the sleeve 7, and the movable ring 10 can exert a certain pressing effect on the sleeve 7 under the action of the first spring 9, so that the sleeve 7 is not easy to shake.
In this embodiment, when the device is used for threading, the first needle threading tube 11 and the second needle threading tube 16 are fixed on two sides of a to-be-threaded part, before fixation, compressed air is filled into the air bag 20 through the air compressor 17, so that the air bag 20 expands, at the moment, the rotating sheets 21 are in contact with each other, the rotating sheets 21 and the inner wall of the first needle threading tube 11 or the inner wall of the second needle threading tube 16 can form a round tube, the inner wall can play a guiding role in threading the kirschner wire, then the electric drill is used for threading in cooperation with the kirschner wire, the first needle threading tube 11 can play a guiding role in the threading process, the threading is convenient to smoothly proceed, multiple times of the kirschner wire are avoided, and damage to surrounding tissues is reduced.
When the needle penetrating pipes (namely the first needle penetrating pipe 11 and the second needle penetrating pipe 16) need to be removed, only the compressed air in the air bag 20 needs to be discharged, at the moment, the upper ends of the first needle penetrating pipe 11 and the second needle penetrating pipe 16 are both in an open shape, the screw 6 is loosened, so that the first needle penetrating pipe 11 and the second needle penetrating pipe 16 move downwards, the first needle penetrating pipe 11 and the second needle penetrating pipe 16 can be separated from the Kirschner wire, the Kirschner wire is not easy to pull in the separation process, and adverse effects are not easy to cause.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The closed needle threading device for the department of orthopaedics comprises a bottom plate (1) and is characterized in that a vertically arranged support rod (2) is fixedly mounted at the upper end of the bottom plate (1), a horizontal fixing plate (3) is fixedly mounted at the upper end of the support rod (2), a vertical fixing rod (4) is fixedly mounted at the upper end of the fixing plate (3), the cross section of the fixing rod (4) is square, a sleeve (7) is sleeved on a rod body of the fixing rod (4), a horizontal first needle threading tube (11) is fixedly connected onto the side wall of the sleeve (7), a vertical connecting rod (12) is connected onto the outer wall of the first needle threading tube (11), the other end of the connecting rod (12) is connected with a horizontal fixing tube (13), the fixing tube (13) is parallel to the first needle threading tube (11), and a seal head is arranged at one end, close to the fixing tube (13), close to the fixing rod (4), fixed tube (13) interpolation is equipped with movable rod (14), and is connected with second spring (15) between the inner wall of movable rod (14) and fixed tube (13), connecting rod (12) of the vertical form of tip fixedly connected with of movable rod (14), the needle tubing (16) is worn to the lower extreme fixedly connected with second of connecting rod (12), second needle tubing (16) is in same straight line with first needle tubing (11), and the logical groove of vertical form is all seted up with the upper end of first needle tubing (11) to second needle tubing (16), all rotates on the inner wall of logical groove both sides and installs rotor plate (21), and the tip of rotor plate (21) contacts, and all installs gasbag (20) between the inner wall that rotor plate (21) and logical groove.
2. An orthopedic closure needle-threading device according to claim 1, characterized in that the air bags (20) are provided with air inlets and air outlets.
3. An orthopedic closed needle threading device as claimed in claim 2, characterized in that an air compressor (17) is placed on the base plate (1), the outlet end of the air compressor (17) is connected to the air bag (20) on the first needle threading tube (11) through a first connecting tube (18), and the outlet end of the air compressor (17) is connected to the air bag (20) on the second needle threading tube (16) through a second connecting tube (19).
4. An orthopedic closure needle-threading device according to claim 1 or 3, characterized in that the vertical cross-section of the rotating blade (21) is circular arc-shaped.
5. The closed needle threading device for orthopedics department according to claim 4, characterized in that a screw rod (6) is further connected to the fixed plate (3) through threads, the upper end of the screw rod (6) is rotatably connected with the movable plate (5), the movable plate (5) is sleeved on the fixed rod (4), and the upper end face of the movable plate (5) is in contact with the lower end face of the sleeve (7).
6. An orthopedic closed needle threading device according to claim 5, characterized in that a handle is fixedly mounted at the lower end of the screw rod (6).
7. An orthopedic closed needle threading device as claimed in claim 1 or 6, characterized in that the upper end of the fixed rod (4) is cylindrical, and the upper end of the fixed rod (4) is connected with a movable block (8) through screw thread.
8. The closed needle threading device for orthopedics department according to claim 7, characterized in that a first spring (9) is fixedly connected to the lower end of the movable block (8), the first spring (9) is sleeved on the fixed rod (4), and the lower end surface of the first spring (9) is in contact with the upper end surface of the sleeve (7).
9. An orthopedic closed needle threading device according to claim 8, characterized in that a movable ring (10) is connected to the lower end of the first spring (9), and the lower end surface of the movable ring (10) is in contact with the upper end surface of the cannula (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083763.2A CN111166457A (en) | 2020-02-10 | 2020-02-10 | Closed needle threading device for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083763.2A CN111166457A (en) | 2020-02-10 | 2020-02-10 | Closed needle threading device for orthopedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111166457A true CN111166457A (en) | 2020-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010083763.2A Withdrawn CN111166457A (en) | 2020-02-10 | 2020-02-10 | Closed needle threading device for orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111166457A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305640A (en) * | 2021-12-27 | 2022-04-12 | 张�廷 | Bone grafting device for orthopedics department |
-
2020
- 2020-02-10 CN CN202010083763.2A patent/CN111166457A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305640A (en) * | 2021-12-27 | 2022-04-12 | 张�廷 | Bone grafting device for orthopedics department |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200519 |
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| WW01 | Invention patent application withdrawn after publication |