CN211325538U - Universal screwdriver for surgical operation - Google Patents
Universal screwdriver for surgical operation Download PDFInfo
- Publication number
- CN211325538U CN211325538U CN201922098529.2U CN201922098529U CN211325538U CN 211325538 U CN211325538 U CN 211325538U CN 201922098529 U CN201922098529 U CN 201922098529U CN 211325538 U CN211325538 U CN 211325538U
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- universal joint
- screwdriver
- screwdriver head
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- pin
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Abstract
The utility model discloses a universal screwdriver used for surgical operation, which comprises a handle, a screwdriver rod, a universal joint and a screwdriver head; one end of the taper rod is inserted into the handle and is fixedly connected with the handle through a first pin, the other end of the taper rod is provided with a pair of fork arms which are parallel to each other, the universal joint is arranged in each fork arm, one end of the universal joint is fixedly connected with the fork arms through a second pin, and the universal joint can freely rotate around the second pin; the other end of the universal joint is inserted into the inner sides of a pair of fork lugs which are parallel to each other and arranged at one end of the screwdriver head, the universal joint is fixedly connected with the fork lugs through third pins, the universal joint can freely rotate around the third pins, and the second pins and the third pins are separated in space and are perpendicular to each other; the other end of the screwdriver head is provided with a screwdriver head. The utility model discloses can make the very nimble directional a plurality of directions of tool bit of screwdriver head, make things convenient for the operation to use.
Description
Technical Field
The utility model particularly relates to an universal screwdriver for surgical operation mainly uses in orthopedic operation, belongs to surgical medical instrument technical field.
Background
The screwdriver is also called a screwdriver, a screwdriver and the like, and has the function of utilizing the matching of the protrusion of the screwdriver head and the groove on the screw cap for screwing in or screwing out the screw. The screwdriver is a common maintenance tool in daily life, an industrially important assembly tool and an important auxiliary tool in surgical operation. For example, in a mandibular fracture reduction surgery, a screwdriver is required to install or remove the mandibular distractor; in the artificial hip replacement surgery, a screw driver is required to fix a fixation screw of a biological acetabulum. There are common difficulties in operating screws with screwdrivers in these surgical procedures: the operation opening is less, and the surrounding tissue blood vessel is abundant, and operating space is narrow and small, and the position is hidden, the angle is specific, difficult installation, consequently needs to design a simple structure, flexible operation's universal screwdriver to be convenient for the flexible operation of operation.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides an universal screwdriver for surgery operation solves the problem that the screwdriver head is not nimble enough can't adapt to the operation demand.
The technical scheme of the utility model is that: a universal screwdriver used for surgical operation comprises a handle, a screwdriver rod, a universal joint and a screwdriver head; one end of the taper rod is inserted into the handle and is fixedly connected with the handle through a first pin, the other end of the taper rod is provided with a pair of fork arms which are parallel to each other, the universal joint is arranged in each fork arm, one end of the universal joint is fixedly connected with the fork arms through a second pin, and the universal joint can freely rotate around the second pin; the other end of the universal joint is inserted into the inner sides of a pair of fork lugs which are parallel to each other and arranged at one end of the screwdriver head, the universal joint is fixedly connected with the fork lugs through third pins, the universal joint can freely rotate around the third pins, and the second pins and the third pins are separated in space and are perpendicular to each other; the other end of the screwdriver head is provided with a screwdriver head.
Further, a plurality of grooves are formed in the handle.
Furthermore, the shape of the screwdriver head is any one of a straight shape, a cross shape, a quincunx shape, a hexagon shape and the like, and the screwdriver head is matched with the structure of an inner groove of a screw nut connected with the screwdriver head.
The utility model has the advantages that: connect as transition through the universal joint between the screwdriver pole and the screwdriver head, utilize the universal joint can rotate the combination of these two degrees of freedom respectively around second pin and third pin, can make the directional a plurality of directions of the very nimble tool bit of screwdriver head, rotatory handle drives the tool bit rotatory during operation, but tool bit directional direction keeps unchangeable, the conical surface distribution is personally submitted to the set of tool bit directional direction, be favorable to in the operation precession and screw-out screw on narrow and small space and specific direction, make things convenient for the operation, reduce the operation time, reduce the operation risk.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a side and front view of a screwdriver rod configuration.
FIG. 3 is a side and front schematic view of a gimbal.
Fig. 4 is a side and front view of the screwdriver tip.
The labels in the figure are: the novel screwdriver comprises a handle 1, an anti-skid groove 11, a taper rod 2, a first pin 21, a pin 211 hole, a yoke 22, a pin 221 hole, a taper head 3, a fork lug 31, a tool bit 32, a pin 311 hole, a universal joint 4, a second pin 41, a third pin 42, a pin 411 hole and a pin 421 hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings
As shown in fig. 1-4, a universal screwdriver for surgical operation is composed of a handle 1, a screwdriver rod 2, a screwdriver head 3 and a universal joint 4; the left end of the taper rod 2 is provided with a pin hole 211, the left end of the taper rod is inserted into the center of the handle 1, the left end of the taper rod is inserted into the pin hole through a first pin 21 and fixedly connected with the handle 1, the handle 1 is made of bakelite, and the handle is provided with a plurality of grooves 11 for preventing skidding and facilitating holding. The other end of the taper rod 2 is provided with a pair of fork arms 22 which are parallel to each other, the fork arms are provided with pin holes 221, universal joints 4 are arranged in the fork arms 22, the universal joints are provided with two pin holes 411 and 421 which are perpendicular to each other but do not cross, one end of each universal joint is fixedly connected with the fork arms through second pins 41, and the universal joints can freely rotate around the second pins; the other end of the universal joint is inserted into the inner sides of a pair of fork lugs 31 which are parallel to each other and arranged at one end of the screwdriver head 3, the fork lugs 31 are provided with pin holes 311, the universal joint 4 is fixedly connected with the fork lugs 3 through third pins 42, the universal joint can freely rotate around the third pins, and the second pins 41 and the third pins 42 are separated in space and are perpendicular to each other; the other end of the screwdriver head 3 is provided with a tool bit 32, the tool bit can be in any shape of straight line, cross, quincunx, hexagon and the like, in the embodiment, the outer hexagon tool bit 32 is selected to be matched with the inner hexagon groove structure of the connected screw and nut.
When using in the operation, after the tool bit and the bone screw location of screwdriver head, the doctor can adjust the angle between handle and the screwdriver head, makes the handle be in an ideal active position, then rotates the handle, drives the universal joint through the screwdriver pole and rotates, and then drives tool bit and screw rotation, makes the screw or unscrew, is favorable to in the operation precession and the screw of back-out in narrow and small space and specific direction, makes things convenient for the operation, reduces operation time, reduces the operation risk.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications or equivalents made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (3)
1. A universal driver for use in surgery, comprising: comprises a handle, a screwdriver rod, a universal joint and a screwdriver head; one end of the taper rod is inserted into the handle and is fixedly connected with the handle through a first pin, the other end of the taper rod is provided with a pair of fork arms which are parallel to each other, the universal joint is arranged in each fork arm, one end of the universal joint is fixedly connected with the fork arms through a second pin, and the universal joint can freely rotate around the second pin; the other end of the universal joint is inserted into the inner sides of a pair of fork lugs which are parallel to each other and arranged at one end of the screwdriver head, the universal joint is fixedly connected with the fork lugs through third pins, the universal joint can freely rotate around the third pins, and the second pins and the third pins are separated in space and are perpendicular to each other; the other end of the screwdriver head is provided with a screwdriver head.
2. A universal driver for use in surgery as recited in claim 1, wherein: the handle is provided with a plurality of grooves.
3. A universal driver for use in surgery as recited in claim 1, wherein: the screwdriver head is in any shape of straight line, cross, quincunx, hexagon and the like, and is matched with the structure of the inner groove of the screw and the nut connected with the screwdriver head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098529.2U CN211325538U (en) | 2019-11-29 | 2019-11-29 | Universal screwdriver for surgical operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098529.2U CN211325538U (en) | 2019-11-29 | 2019-11-29 | Universal screwdriver for surgical operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211325538U true CN211325538U (en) | 2020-08-25 |
Family
ID=72090164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922098529.2U Active CN211325538U (en) | 2019-11-29 | 2019-11-29 | Universal screwdriver for surgical operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211325538U (en) |
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2019
- 2019-11-29 CN CN201922098529.2U patent/CN211325538U/en active Active
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