CN110141351B - Steel wire traction tool and method for orthopedics department - Google Patents
Steel wire traction tool and method for orthopedics department Download PDFInfo
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- CN110141351B CN110141351B CN201910337476.7A CN201910337476A CN110141351B CN 110141351 B CN110141351 B CN 110141351B CN 201910337476 A CN201910337476 A CN 201910337476A CN 110141351 B CN110141351 B CN 110141351B
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/82—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
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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
- A61B17/8897—Guide wires or guide pins
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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
- A61B17/90—Guides therefor
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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
- A61B90/06—Measuring instruments not otherwise provided for
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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
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
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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
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Engineering & Computer Science (AREA)
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- Oral & Maxillofacial Surgery (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention discloses a steel wire traction tool and a method for orthopedics department, comprising a shaper and a guide wire, wherein the shaper comprises a main body and a handle, the main body is made of arc-shaped high-hardness steel, a first through hole is arranged in the main body, one end of the main body is connected with the handle, and the other end of the main body is provided with an opening; one end of the handle is cylindrical, the other end of the handle is a quadrilateral body, and a second through hole is formed in the handle; the main body is connected to the four-side body, and the first through hole and the second through hole are consistent in size and used for enabling the guide wire to enter from the top of the handle and then penetrate out from the opening of the main body; the guide wire is composed of a needle body and a cylinder, the cylinder is positioned at one end of the needle body, the diameter of the cylinder is larger than that of the needle body, and the other end of the needle body is provided with a third through hole for allowing a steel wire to pass through; the invention effectively reduces the injury of surgical instruments to human tissues and the injury to nerves in the surgical process and reduces the blood loss; the doctor can be more convenient and faster in the operation process. It is also more flexible; so that a doctor can intuitively know which length of steel wire needs to be selected in the operation process.
Description
Technical Field
The invention relates to the field of orthopedics, in particular to a steel wire traction tool and a method for orthopedics.
Background
In the ordinary life of people, occasionally, fracture is caused by collision, falling and the like, and in hospital operation, doctors usually fix bones in a mode that: firstly, the fractured bones are fixed together by driving the puncture needle, usually, the puncture needle is driven into the body by using a special puncture tool, and secondly, the fractured bones are tightly bound and fixed together by using a steel wire; when the broken bones are fixed together through the steel wires, the steel wires need to be wound around the bones for a circle, and the influence on nerves, blood vessels, muscle tissues and the like around the broken bones of a patient can be caused in the winding process, so that the fracture fixing tool and the method which can reduce the surgical injury of the patient can effectively improve the comfort and the safety of the fracture patient in the rehabilitation process.
In the prior art, most of guiding tools are only internally provided with a through hole through which a steel wire can pass, and the guiding tools are easy to cause that the steel wire cannot rapidly and accurately pass through a set opening in use, so that the operation time is too long, a patient has excessive bleeding, the mind, blood vessels and tissues of the patient are easy to be damaged, and the operation is inconvenient.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the steel wire traction tool and the method for the orthopaedics are provided; the invention solves the problems of hemorrhage and damage of nerves and tissues in the operation of fracture patients; the problem that the operation of a doctor is inconvenient in the operation process is also solved; and the problem that a doctor is inconvenient to select a fixing steel wire is also solved.
The technical scheme adopted by the invention is as follows:
a steel wire traction tool for orthopedics comprises a shaper and a guide wire, wherein the shaper comprises a main body and a handle, the main body is made of arc-shaped high-hardness steel, a first through hole is formed in the main body, one end of the main body is connected to the handle, the other end of the main body is provided with an opening, and the opening is connected with the first through hole; one end of the handle is cylindrical, the other end of the handle is a quadrilateral body, and a second through hole is formed in the handle; the main body is connected to the four-sided body, and the first through hole and the second through hole are consistent in size and are communicated with each other, so that the guide wire enters from the top of the handle and then penetrates out of the opening of the main body; the seal wire comprises needle body and cylinder, the cylinder is located needle body one end and the diameter is greater than the needle body, and the needle body other end is provided with the third through-hole for pass the steel wire.
By adopting the structure, the open end of the main body of the shaping device can be tightly attached to the bone of a patient in advance and moved to the opposite side, namely the inner side, of the bone, at the moment, the guide wire can enter the handle through the second through hole and the first through hole and then penetrate out from the opening of the main body, and the guide wire is a cylinder with the diameter larger than that of the needle body, so that the problem that the guide wire cannot be taken out due to the fact that the needle body cannot completely enter the shaping device can be guaranteed; after the main part opening is worn out at the seal wire, can penetrate and fix the third through hole on the seal wire with steel wire one end, the steel wire other end is fixed outside the patient, pulls out the seal wire from the shaper again, and the one end that the steel wire was fixed on the seal wire will follow the shaper one side and wear out the patient outside, and the steel wire can reach the effect around patient's broken bone a week this moment.
Further, the diameter of the guide wire needle body is consistent with the diameter of the first through hole and the diameter of the second through hole.
Due to the adoption of the structure, the diameters of the first through hole and the second through hole are consistent, so that the guide wire can not be blocked from moving due to diameter change when passing through.
Further, the length of the guide wire column is 25% of the length of the needle body.
Due to the adoption of the structure, the column body mainly has the function of preventing the guide wire from completely entering the shaper and playing a role of a handle, so that the length only needs to be held, and in the invention, the length of the needle body is 20cm, and the length of the column body is 5 cm.
Further, the shaper comprises a plurality of main bodies with different sizes, and the opening ends of the main bodies are positioned right below the handle.
By adopting the structure, when broken bones with different diameters are encountered, main bodies with different sizes can be selected for treatment, so that the patient can obtain the optimal treatment effect, in the invention, the radian is represented by the vertical straight line distance from one end of the opening of the main body to the handle, and the optimal distances are respectively 2cm, 2.5cm and 3 cm.
Furthermore, the main body and the handle are detachably connected.
Due to the adoption of the structure, the main bodies with different sizes can be flexibly replaced by the doctor according to the broken bone position of the patient in the operation process through the detachable connection, so that the flexibility is improved, and the material cost is reduced.
Furthermore, the quadrangle body at one end of the handle is of a hollow structure.
By adopting the structure, the quadrilateral body at one end of the handle is of a hollow structure, so that the guide wire has a space capable of properly correcting the direction when penetrating into the shaper, and the guide wire cannot be limited by the fixed path of the through hole, so that the guide wire loses the flexibility.
A steel wire traction method for orthopedics is characterized by comprising the following steps:
s1: pre-bending the guide wire;
s2: moving the shaper according to a preset track to enable the opening end of the main body to move to a position symmetrical to the entering point;
s3: penetrating the pre-bent guide wire into the shaper through the second through hole and the first through hole;
s4: when one end of the guide wire provided with the third through hole penetrates through the opening on the body, one end of the steel wire is fixed, and the other end of the steel wire penetrates through the third through hole along one side symmetrical to the moving track of the shaper;
s5: after one end of the steel wire passes through the third through hole, the guide wire is drawn out of the shaper, and one end of the steel wire passing through the third through hole is drawn out of the shaper along the first through hole and the second through hole;
s6: the shaper is removed and the wire is tightened.
Further, the pre-bending in step S1 is specifically: pre-bending the guide wire according to the radian of the main body of the shaper.
Further, the shaper body has several arcs according to bones of different sizes in step S2.
Further, one end of the steel wire fixed and one end of the steel wire passing through the third through hole are located at symmetrical positions, respectively, in step S5.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention effectively reduces the injury of surgical instruments to human tissues and the injury to nerves in the surgical process, reduces the injury to blood vessels of patients and reduces the blood loss amount through the shaper, the guide wire and the method for tightly attaching the shaper to the cortical bone.
2. The invention enables a doctor to be more convenient and faster in the operation process and to be more flexible in operation through the operation method of the shaper and the guide wire.
3. According to the invention, the scales are arranged on the guide wire, so that a doctor can intuitively know which length of steel wire needs to be selected in the operation process, and operation errors or cost waste caused by improper length of the steel wire is reduced.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a view showing the structure of a shaper.
Fig. 2 is a view of a guide wire structure.
Fig. 3 is a flow chart of a wire drawing method.
Wherein 1-a body; 2-a handle; 3-opening; 4-a first via; 5-a second via; 6-a third via; 7-a column; 8-needle body.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
It should be noted that in the description of the present invention, the terms "one side", "the opposite side", "below", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, which are only for convenience of 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, operate in a specific orientation and thus, should not be construed as limiting the present invention.
Example 1
A steel wire traction tool for orthopedics department, as shown in fig. 1 and fig. 2, comprises a shaper and a guide wire, wherein the shaper is composed of a main body 1 and a handle 2, the main body 1 is made of arc steel with high hardness, a first through hole 4 is formed in the main body, one end of the main body 1 is connected with the handle 2, in the embodiment, the detachable connection is preferably adopted, an opening 3 is formed in the other end of the main body, and the opening 3 is connected with the first through hole 4; in this embodiment, the main body 1 is in the shape of an arc with a width gradually decreasing from one end having the opening 3 to the end connected to the handle 2, and the end having the opening 3 may be a tip or a round end; the shaper comprises a plurality of main bodies 1 with different radian sizes, wherein the opening ends of the main bodies are all positioned under a handle 2, in the embodiment, the radian sizes are represented by the vertical linear distance from one end of an opening of the main body to the handle 2, the preferable distances are respectively 2cm, 2.5cm and 3cm of the main bodies 1, and for example, when humerus needs to be fixed, the shaper with the linear distance from one end of the opening of the main body to the handle 2 of 2cm can be used; when the membranous bone needs to be fixed, a shaper with the linear distance of 3cm from one end of the opening of the main body to the handle 2 can be used.
One end of the handle 2 is cylindrical, the other end of the handle is quadrangular, a second through hole 5 is formed in the handle 2, and the second through hole 5 and the first through hole 4 are consistent in size and are communicated with each other, so that a guide wire can enter from the top of the handle 2 and then penetrate out from the opening 3 of the main body 1; the quadrangle body is of a hollow structure, and the guide wire can not deform in advance due to insufficient space when passing through the hollow structure.
The guide wire is composed of a needle body 8 and a cylinder 7, the cylinder 7 is positioned at one end of the needle body 8, the diameter of the cylinder is larger than that of the needle body 8, when the guide wire passes through the shaper, the guide wire cannot enter the through hole of the shaper completely, and meanwhile, the guide wire can be conveniently drawn out of the shaper; the other end of the needle body 8 is provided with a third through hole 6 for the steel wire tied to the bone to pass through; in the embodiment, the diameter of the needle body 8 is 0.5cm, the length of the needle body 8 is 20cm, and the length of the column body 7 is 5 cm; the guide wire is also provided with scales, and in use, a steel wire with a proper length can be selected according to the scale value of the guide wire exposed outside the shaper.
In actual use, when a doctor needs to fix a fractured bone through a steel wire, a proper shaper is selected according to the size of the bone, and then a guide wire is pre-bent, so that the radian of the guide wire is close to 1 radian of a shaper main body; then the opening 3 end of the shaper main body 1 is tightly attached to the cortical bone of the bone and moves to the opposite side of the bone along the side edge of the bone, at the moment, one end of the guide wire provided with a third through hole 6 penetrates into the shaper from a second through hole 5 at the top of the handle 2, and then penetrates out from the opening 3 of the body along the second through hole 5 and the first through hole 4; after the guide wire penetrates out of the shaper, selecting a steel wire with proper length according to the scale value on the guide wire which is not penetrated in the top of the handle 2, fixing one end of the steel wire, and penetrating the other end of the steel wire through the third through hole 6 along the opposite side of the shaper and fixing the steel wire on the guide wire; after the steel wire is fixed, the cylinder 7 on the guide wire is held, the guide wire is pulled out from the shaper, one end of the steel wire is taken out along the first through hole 4 and the second through hole 5, after the shaper is taken down, the two ends of the steel wire are wound around the bone for a circle and are respectively positioned at the two sides of the bone, and at the moment, the steel wire can be tightly bound to fix the bone.
In the embodiment, the fractured bone is fixed by the shaper and the guide wire, so that the injury of surgical instruments to human tissues and the injury to nerves in the operation process are effectively reduced, the injury to blood vessels of a patient is reduced, and the blood loss is also reduced; the shape of the guide wire is not fixed, so that flexible operation of a doctor in the operation process of a patient can be facilitated, scales on the guide wire can enable the doctor to visually know which length of steel wire is selected, and operation errors or cost waste caused by improper length of the steel wire is reduced.
A method for using an orthopedic steel wire traction tool, as shown in fig. 3, comprising:
s1: pre-bending the guide wire;
in the above steps, the doctor selects the shaper with the corresponding radian according to the size of the bone fixed by the patient, and then pre-bends the guide wire according to the radian, so that the guide wire can better penetrate through the shaper.
S2: moving the shaper according to a preset track to enable the opening end of the main body to move to a position symmetrical to the entering point;
the above steps are performed in this embodiment by bringing the open end of the body of the shaper into close contact with the cortical bone of the fractured bone and starting to move along one side of the bone to the opposite side of the starting point, during which the body is brought into close contact with the cortical bone until the open end of the body is moved to the opposite side of the bone, which is understood to be the inner side of the bone of the patient.
S3: penetrating the pre-bent guide wire into the shaper through the second through hole and the first through hole;
in the above steps, after the open end of the body of the shaper moves to the opposite side of the bone, the prepared guide wire penetrates into the shaper, and one end of the guide wire, which is provided with the third through hole, enters from the second through hole on the handle of the shaper, moves along the second through hole and the first through hole and then penetrates out from the opening on the main body; and when one end of the guide wire penetrates out of the shaper, the guide wire is stopped to move, and a steel wire with a proper length is selected according to the scale value displayed at the end of the guide wire column.
S4: when one end of the guide wire provided with the third through hole penetrates through the opening on the body, one end of the steel wire is fixed, and the other end of the steel wire penetrates through the third through hole along one side symmetrical to the moving track of the shaper;
in the above steps, one end of the selected steel wire is fixed, and the other end of the selected steel wire moves along one side of the bone opposite to the movement of the shaper, passes through the third through hole and is fixed on the guide wire.
S5: after one end of the steel wire passes through the third through hole, the guide wire is drawn out of the shaper, and one end of the steel wire passing through the third through hole is drawn out of the shaper along the first through hole and the second through hole;
in the above steps, after one end of the steel wire passes through and is fixed on the guide wire, the guide wire is drawn out from the shaper by holding the column on the guide wire, and one end of the steel wire is also drawn out from the shaper.
S6: the shaper is removed and the wire is tightened.
In the above-mentioned step, after the plastic former was taken out to steel wire one end, then take out the patient internal with the plastic former, only leave the steel wire, steel at this moment has been through the guide of plastic former and seal wire, has been around a week along patient's bone, and both ends are located the different both sides of bone respectively, can tie up the steel wire this moment, makes patient's bone fixed.
The mode of this embodiment through above-mentioned fixed bone makes the doctor operate simple more swiftly when the operation, makes the patient can not undertake too big risk in the operation process.
According to the invention, a doctor can move tightly close to cortical bone through the shaper in the process of surgery on a patient through a tool for fixing bone, so that the trauma of surgical instruments to human tissues and the damage to nerves in the process of surgery are effectively reduced, the damage to blood vessels of the patient is reduced, and the blood loss is also reduced; and through the scale on the guide wire, a doctor can more quickly select the steel wire with the proper length to use, and the operation efficiency is increased.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (6)
1. The steel wire traction tool for the orthopedics department is characterized by comprising a shaper and a guide wire, wherein the shaper comprises a main body (1) and a handle (2), the main body (1) is made of arc-shaped high-hardness steel, the radian size is represented by the vertical straight line distance from one end of an opening of the main body (1) to the handle (2), the distance is 2cm, 2.5cm or 3cm, a first through hole (4) is formed in the main body, one end of the main body (1) is connected to the handle (2), the other end of the main body is provided with an opening (3), and the opening (3) is connected with the first through hole (4); one end of the handle (2) is cylindrical, the other end of the handle is a quadrangular body, a second through hole (5) is formed in the handle (2), and the quadrangular body at one end of the handle (2) is of a hollow structure; the main body (1) is connected to the four-sided body, the first through hole (4) and the second through hole (5) are consistent in size and are communicated with each other, and the guide wire enters from the top of the handle (2) and then penetrates out of the opening (3) of the main body (1); the seal wire comprises a needle body (8) and a cylinder (7), the cylinder (7) is located one end of the needle body (8) and has a diameter larger than that of the needle body (8), and a third through hole (6) is formed in the other end of the needle body (8) and is used for penetrating through a steel wire.
2. A steel wire traction tool for orthopedics department according to claim 1, characterized in that the diameter of the needle body (8) is the same as the diameter of the first through hole (4) and the diameter of the second through hole (5).
3. A steel wire traction tool for orthopedics use according to claim 2, wherein the length of the cylinder (7) is 25% of the length of the needle body.
4. A wire traction tool for orthopedics use according to claim 1, wherein the guide wire is provided with a scale.
5. A steel wire traction tool for orthopedics department according to claim 1, characterized in that the main body (1) and the handle (2) are detachably connected.
6. A steel wire traction tool for orthopedics department according to claim 1, characterized in that the shaper comprises a plurality of bodies (1) with different sizes, and the opening (3) end of the bodies (1) is positioned right below the handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337476.7A CN110141351B (en) | 2019-04-25 | 2019-04-25 | Steel wire traction tool and method for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337476.7A CN110141351B (en) | 2019-04-25 | 2019-04-25 | Steel wire traction tool and method for orthopedics department |
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| Publication Number | Publication Date |
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| CN110141351A CN110141351A (en) | 2019-08-20 |
| CN110141351B true CN110141351B (en) | 2022-04-19 |
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| CN201910337476.7A Active CN110141351B (en) | 2019-04-25 | 2019-04-25 | Steel wire traction tool and method for orthopedics department |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200945185Y (en) * | 2006-09-04 | 2007-09-12 | 魏海温 | Improved steel-wire, silk thread and tendon introducer |
| CN101687087A (en) * | 2007-04-16 | 2010-03-31 | C.R.巴德有限公司 | Guidewire-assisted catheter placement system |
| CN201668451U (en) * | 2010-05-27 | 2010-12-15 | 李建 | Orthopedic screw tap |
| CN202113160U (en) * | 2011-04-08 | 2012-01-18 | 王桂新 | Steel wire guiding machine |
| CN202168855U (en) * | 2011-07-26 | 2012-03-21 | 苏志勇 | Intrathoracic serpiginous sleeve wire leading device under thoracoscope |
| CN206534704U (en) * | 2016-11-30 | 2017-10-03 | 陈为坚 | A kind of down-lead device being used in performing the operation |
| CN208552002U (en) * | 2017-12-14 | 2019-03-01 | 薛防震 | Disengaging type orthopaedics tied silk guiding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7473267B2 (en) * | 2003-04-25 | 2009-01-06 | Warsaw Orthopedic, Inc. | System and method for minimally invasive posterior fixation |
-
2019
- 2019-04-25 CN CN201910337476.7A patent/CN110141351B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200945185Y (en) * | 2006-09-04 | 2007-09-12 | 魏海温 | Improved steel-wire, silk thread and tendon introducer |
| CN101687087A (en) * | 2007-04-16 | 2010-03-31 | C.R.巴德有限公司 | Guidewire-assisted catheter placement system |
| CN201668451U (en) * | 2010-05-27 | 2010-12-15 | 李建 | Orthopedic screw tap |
| CN202113160U (en) * | 2011-04-08 | 2012-01-18 | 王桂新 | Steel wire guiding machine |
| CN202168855U (en) * | 2011-07-26 | 2012-03-21 | 苏志勇 | Intrathoracic serpiginous sleeve wire leading device under thoracoscope |
| CN206534704U (en) * | 2016-11-30 | 2017-10-03 | 陈为坚 | A kind of down-lead device being used in performing the operation |
| CN208552002U (en) * | 2017-12-14 | 2019-03-01 | 薛防震 | Disengaging type orthopaedics tied silk guiding device |
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| Publication number | Publication date |
|---|---|
| CN110141351A (en) | 2019-08-20 |
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