CN112294419B - Bone nail taking device convenient to position - Google Patents
Bone nail taking device convenient to position Download PDFInfo
- Publication number
- CN112294419B CN112294419B CN202011185197.2A CN202011185197A CN112294419B CN 112294419 B CN112294419 B CN 112294419B CN 202011185197 A CN202011185197 A CN 202011185197A CN 112294419 B CN112294419 B CN 112294419B
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- CN
- China
- Prior art keywords
- internal thread
- thread hole
- barrel
- nail
- joint
- 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.)
- Expired - Fee Related
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 6
- 210000000281 joint capsule Anatomy 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 5
- 241000587161 Gomphocarpus Species 0.000 abstract description 13
- 125000003003 spiro group Chemical group 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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
- A61B17/90—Guides therefor
Abstract
The utility model provides a get bone nail device of convenient location, relate to medical instrument technical field, including urceolus, inner tube, screwdriver, spherical joint bag, joint ball, internal thread hole, the plane district, miniature camera, laser designator, the inner tube spiro union is in the urceolus, the bobbin base of inner tube is equipped with joint bag, be equipped with joint ball in the joint bag, the axis department of joint ball is equipped with the internal thread hole, the internal thread hole is equipped with the cutter arbor spiro union of screwdriver, joint ball lower extreme is equipped with the plane district, the plane district is equipped with miniature camera and laser designator. The bone nail taking device is simple in structure and convenient to use, can be used for quickly positioning the nail head through the laser indicator when a bone nail is taken, can effectively improve the nail taking efficiency, and can be particularly taken out easily for the bone nail with a small size; the whole nail taking process indicates the operation through a computer display screen, the operation experience of doctors is good, and the operation difficulty is greatly reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a bone nail taking device convenient to position.
Background
Fracture refers to the interruption of the integrity and continuity of bone. At present, for patients who have obvious displacement and need to perform incision reduction and internal fixation, the bone blocks at the fracture part are usually reset and fixed again through a steel plate and bone nails, so that the dislocated bone blocks are re-tightly connected together under the action of a steel plate screw system, and then after long-time postoperative growth, new callus grows out from the fractured bone blocks and is healed again together.
After the fracture heals, need take out the bone nail, however, current nail device of getting is inconvenient fixes a position the bone nail, and is especially less to the size, for example the diameter has only one two millimeters bone nail, and the light relies on doctor's vision operation degree of difficulty very big, gets the nail in-process, and easy the repetitive operation can take out the bone nail, has not only increased patient's misery, has still increased doctor's the amount of labour.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the bone nail taking device which is convenient to position.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a bone screw taking device convenient to position comprises an outer barrel, an inner barrel and a screwdriver, wherein an internal thread is arranged on the upper portion of the inner surface of the outer barrel, an external thread is arranged on the surface of the outer wall of the inner barrel, the inner barrel is screwed in the outer barrel, an annular edge which is turned outwards is arranged at the top of the inner barrel, a barrel bottom is arranged at the bottom of the inner barrel, a spherical joint capsule which penetrates through the upper end face and the lower end face is arranged in the middle of the barrel bottom, a joint ball is arranged in the joint capsule, the upper end and the lower end of the joint ball respectively extend out of the upper port and the lower port of the joint capsule, the surface of the outer wall of the joint ball is in sliding connection with the surface of the inner wall of the joint capsule, an internal thread hole along the vertical direction is arranged at the middle shaft of the joint ball, an external thread is arranged on the outer surface of the screwdriver rod and screwed in the internal thread hole, and a plane area which is perpendicular to the axis direction of the internal thread hole is arranged at the lower end of the screwdriver rod, the plane area is coaxial with the internal thread hole, the outer edge of the internal thread hole is also provided with a miniature camera, and the plane area on which the periphery of the miniature camera is positioned is also provided with a laser indicator, the laser indicator emits light along the direction parallel to the axis of the internal thread hole, and the laser indicators are uniformly distributed around the axis of the internal thread hole;
the miniature camera and the laser indicator are electrically connected with an external power supply through leads, and the miniature camera is also connected with a computer in an operating room through leads and displays video information of a nail taking process on a display of the computer in real time.
Preferably, the miniature camera is an annular camera, and the annular camera is coaxial with the internal thread hole.
Preferably, the laser indicators are 4 and are uniformly distributed around the axis of the internal thread hole at intervals of 90 degrees.
Preferably, an annular lamp band is fixedly arranged on the inner wall surface of the outer cylinder below the inner cylinder.
Preferably, the power of the laser indicator is less than 5mw, and a control switch of the laser indicator is further arranged on the outer wall of the outer cylinder.
Preferably, the support structure further comprises a support mechanism, the support mechanism comprises a base, a support rod arranged on the upper surface of the base and a metal shaping hose arranged at the top end of the support rod, the lower end of the metal shaping hose is fixedly connected with the top of the support rod, and the upper end of the metal shaping hose is fixedly connected with the outer surface of the outer barrel.
Preferably, the base 1 is of a splint-shaped structure.
The bone nail taking device convenient to position has the following beneficial effects: the bone nail taking device is simple in structure and convenient to use, can be used for quickly positioning the nail head through the laser indicator when a bone nail is taken, can effectively improve the nail taking efficiency, and can be particularly taken out easily for the bone nail with a small size; the whole nail taking process indicates the operation through a computer display screen, the operation experience of doctors is good, and the operation difficulty is greatly reduced.
Drawings
FIG. 1: the invention has a structure schematic diagram;
FIG. 2: a partial cross-sectional view of the invention;
FIG. 3: enlargement at the invention a;
FIG. 4: sectional view at B-B1 of the present invention;
FIG. 5: the invention is a schematic diagram of the nail head positioning principle of a bone nail;
1: base, 2: strut, 3: metal forming hose, 4: outer cylinder, 5: annular edge, 6: screwdriver, 61: a cutter bar, 7: wire, 8: computer mainframe, 9: display, 10: inner cylinder, 101: barrel bottom, 11: joint capsule, 12: joint ball, 121: planar area, 13: laser pointer, 14: miniature camera, 15: light strip, 16: laser pointer projection spot, 17: nail head, 18: a wire slot.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.
Referring to FIGS. 1-5:
examples 1,
A bone nail taking device convenient to position comprises an outer cylinder 4, an inner cylinder 10 and a screwdriver 6, wherein inner threads are arranged on the upper portion of the inner surface of the outer cylinder 4, outer threads are arranged on the surface of the outer wall of the inner cylinder 10, the inner cylinder 10 is screwed in the outer cylinder 4, an annular edge 5 which is turned outwards is arranged at the top of the inner cylinder 4, a cylinder bottom 101 is arranged at the bottom of the inner cylinder 4, a spherical joint capsule 11 which penetrates through the upper end face and the lower end face is arranged in the middle of the cylinder bottom 101, a joint ball 12 is arranged in the joint capsule 11, the upper end and the lower end of the joint ball 12 respectively extend out of the upper port and the lower port of the joint capsule 11, the surface of the outer wall of the joint ball 12 is in sliding connection with the surface of the inner wall of the joint capsule 11, an inner thread hole along the vertical direction is arranged at the middle shaft of the joint ball 12, outer threads are arranged on the outer surface of a cutter bar 61 of the screwdriver 6 and are screwed in the inner thread hole, a plane area 121 which is perpendicular to the direction of the inner thread hole is arranged at the lower end of the joint ball 12, the plane area 121 is coaxial with the internal thread hole, the outer edge of the internal thread hole is also provided with a micro camera 14, the plane area 121 on which the periphery of the micro camera is positioned is also provided with a laser indicator 13, the laser indicator emits light along the direction parallel to the axis of the internal thread hole, and the laser indicators are uniformly distributed around the axis of the internal thread hole;
the micro camera 14 and the laser indicator 13 are electrically connected with an external power supply through leads, the micro camera 14 is also connected with a computer in the operating room through leads, and video information of the nail taking process is displayed on a display of the computer in real time.
In the embodiment, when the bone nail taking device is used, a doctor holds the outer cylinder 4 with one hand, covers the lower end of the outer cylinder 4 on an operation area, is connected with an operating room computer, and guides a nail taking operation by watching video information of the operation area on a display, during operation, firstly holds the handle of the screwdriver 6 with the other hand and rotates back and forth, an image of the nail head of the bone nail can be seen on the display, at the moment, the laser indicator projects a light spot 16 to surround the periphery of the nail head of the bone nail, as shown in fig. 5, positioning is completed at the moment, then the handle is rotated, the cutter bar 61 is made to move downwards and is in butt joint with the nail head, and then the screwdriver is rotated reversely to take out the bone nail. In the process, the video image is at a certain magnification and has laser positioning, so that a doctor can quickly finish nail taking without labor.
Because the joint ball can rotate and slide in the joint capsule, the invention is suitable for taking nails with various inclination angles, and it needs to be noted that before the bone nail is used, the annular edge 5 needs to be held by hand to rotate the inner cylinder 10 to a certain height according to the length of the bone nail, so that the inner cylinder can not obstruct the operation because of too low height when the nail is taken. In addition, a wire groove 18 may be formed in the joint ball 12 to facilitate wiring.
Examples 2,
On the basis of embodiment 1, the present embodiment is further improved, specifically:
the miniature camera 14 be the annular camera, and the annular camera is coaxial with the internal thread hole.
Examples 3,
On the basis of embodiment 2, the present embodiment makes further improvements, specifically:
4 laser indicators 13 are uniformly distributed at intervals of 90 degrees around the axis of the internal thread hole;
an annular lamp band 15 is also fixedly arranged on the inner wall surface of the outer cylinder 4 below the inner cylinder 10;
the power of the laser indicator 13 is less than 5mw, and the outer wall of the outer cylinder 4 is also provided with a control switch of the laser indicator 13.
In this embodiment, there are 4 laser pointers 13, as shown in fig. 5, when 4 laser pointer projection light points 16 are uniformly distributed on the periphery of the nail head 17, the intersection point of the connecting lines of two sets of laser pointer projection light points 16 at opposite angles is the position of the nail head 17, which is exactly opposite to the position of the screwdriver bit of the screwdriver 6, that is, the screwdriver bit and the nail head of the screwdriver can be exactly opposite only by uniformly distributing the laser pointer projection light points 16 around the nail head 17 (surrounding the nail head 17), and the operation method only needs to shake the handle of the screwdriver 6 and watch the image of the display.
The lamp strip 15 is used for lighting in a nail taking area, the power of the laser indicator 13 is less than 5mw, and the laser indicator is safe and harmless and cannot damage the vision of a doctor when being projected on a display.
Examples 4,
On the basis of embodiment 3, the present embodiment makes further improvements, specifically:
the support mechanism comprises a base 1, a support rod 2 arranged on the upper surface of the base 1 and a metal shaping hose 3 arranged at the top end of the support rod, wherein the lower end of the metal shaping hose 3 is fixedly connected with the top of the support rod, and the upper end of the metal shaping hose is fixedly connected with the outer surface of the outer barrel 4;
the base 1 is of a splint-shaped structure.
The embodiment provides an improved use form, namely, a bracket mechanism is arranged, when in nail taking operation, the base 1 with a splint-shaped structure is clamped on an operating bed, the metal shaping hose 3 is bent, the bottom end of the outer cylinder is covered on the surrounding part of the nail head 17 of a patient, and then the operation is carried out as above.
Claims (7)
1. A bone nail device of getting of convenient location characterized by: the screwdriver comprises an outer barrel, an inner barrel and a screwdriver, wherein an internal thread is arranged on the upper portion of the inner surface of the outer barrel, an external thread is arranged on the surface of the outer wall of the inner barrel, the inner barrel is screwed in the outer barrel, an annular edge which is turned outwards is arranged on the top of the inner barrel, a barrel bottom is arranged at the bottom of the inner barrel, a spherical joint capsule which penetrates through the upper end face and the lower end face is arranged in the middle of the barrel bottom, a joint ball is arranged in the joint capsule, the upper end and the lower end of the joint ball respectively extend out of the upper port and the lower port of the joint capsule, the surface of the outer wall of the joint ball is in sliding connection with the surface of the inner wall of the joint capsule, an internal thread hole along the vertical direction is arranged at the middle shaft of the joint ball, an external thread is arranged on the outer surface of a screwdriver rod of the screwdriver and is screwed in the internal thread hole, a plane area which is vertical to the axial direction of the internal thread hole is arranged at the lower end of the joint ball, and is coaxial with the internal thread hole, the outer edge of the internal threaded hole is also provided with a miniature camera, a laser indicator is also arranged on a plane area where the periphery of the miniature camera is positioned, the laser indicator emits light rays along a direction parallel to the axis of the internal threaded hole, and the laser indicators are uniformly distributed around the axis of the internal threaded hole;
the miniature camera and the laser indicator are electrically connected with an external power supply through leads, and the miniature camera is also connected with a computer in an operating room through leads and displays video information of a nail taking process on a display of the computer in real time.
2. A bone screw removing device convenient for positioning as claimed in claim 1, wherein: the miniature camera be annular camera, and annular camera is coaxial with the internal thread hole.
3. A bone screw removing device convenient for positioning as claimed in claim 1, wherein: the number of the laser indicators is 4, and the laser indicators are respectively and uniformly distributed around the axis of the internal thread hole at intervals of 90 degrees.
4. A bone screw removing device convenient for positioning as claimed in claim 1, wherein: an annular lamp band is fixedly arranged on the surface of the inner wall of the outer barrel below the inner barrel.
5. A bone screw removing device convenient for positioning as claimed in claim 1, wherein: the power of the laser indicator is less than 5mw, and a control switch of the laser indicator is also arranged on the outer wall of the outer cylinder.
6. A bone screw removing device convenient for positioning as claimed in claim 1, wherein: the support mechanism comprises a base, a supporting rod and a metal shaping hose, the supporting rod is arranged on the upper surface of the base, the metal shaping hose is arranged on the top end of the supporting rod, the lower end of the metal shaping hose is fixedly connected with the top of the supporting rod, and the upper end of the metal shaping hose is fixedly connected with the outer surface of the outer barrel.
7. A bone screw device for facilitating positioning as claimed in claim 6, wherein: the base 1 is of a splint-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185197.2A CN112294419B (en) | 2020-10-30 | 2020-10-30 | Bone nail taking device convenient to position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185197.2A CN112294419B (en) | 2020-10-30 | 2020-10-30 | Bone nail taking device convenient to position |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112294419A CN112294419A (en) | 2021-02-02 |
| CN112294419B true CN112294419B (en) | 2021-08-13 |
Family
ID=74330608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011185197.2A Expired - Fee Related CN112294419B (en) | 2020-10-30 | 2020-10-30 | Bone nail taking device convenient to position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112294419B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102048573B (en) * | 2009-11-10 | 2012-08-08 | 孙树杰 | Double-cross-surface laser-directional minimally-invasive cranial drill |
| EP2676101B1 (en) * | 2011-02-18 | 2021-04-14 | DePuy Synthes Products, LLC | Tool with integrated navigation and guidance system |
| CN206548593U (en) * | 2016-08-16 | 2017-10-13 | 西安市红会医院 | A kind of novel orthopaedics device for fetching nail |
| CN108553161A (en) * | 2018-01-05 | 2018-09-21 | 白立科 | A kind of device for taking out broken nail of novel Orthopeadic Surgery |
| US10974374B2 (en) * | 2018-12-19 | 2021-04-13 | Jacques Rajotte | Impact driver screw driving device with depth adjustment |
| CN110720974A (en) * | 2019-11-13 | 2020-01-24 | 苏唐芹 | Nail extractor for orthopedic operation |
| CN111466995A (en) * | 2020-05-28 | 2020-07-31 | 四川大学华西医院 | Femoral head reaming tool |
-
2020
- 2020-10-30 CN CN202011185197.2A patent/CN112294419B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN112294419A (en) | 2021-02-02 |
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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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Che Junshuang Inventor after: Other inventor requests not to publish the name Inventor before: Request for anonymity |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210723 Address after: 264200 No.29, Qingdao North Road, Huancui District, Weihai City, Shandong Province Applicant after: Che Junshuang Address before: 679 Tongle Road, Shibei District, Qingdao, Shandong Province Applicant before: QINGDAO SHIBEI INSTITUTE OF BLUE SKY PSYCHOLOGY |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |