CN211560247U - Semi-automatic reverse drill - Google Patents
Semi-automatic reverse drill Download PDFInfo
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- CN211560247U CN211560247U CN201921849033.8U CN201921849033U CN211560247U CN 211560247 U CN211560247 U CN 211560247U CN 201921849033 U CN201921849033 U CN 201921849033U CN 211560247 U CN211560247 U CN 211560247U
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Abstract
The utility model discloses a semi-automatic reverse brill, including rotatory cutting mechanism, drive mechanism and cutting controller, rotatory cutting mechanism and drive mechanism connect, and drive mechanism and cutting controller are connected, and rotatory cutting mechanism includes cutting cutter body, removable pin and fixed pin, removable pin and drive mechanism fixed connection, are provided with first pinhole on the cutting cutter body, and the removable pin passes first pinhole and is connected with the cutting cutter body, and the fixed pin is fixed to be set up on drive mechanism, is provided with the second pinhole on the cutting cutter body, and the fixed pin passes second pinhole and is connected with the cutting cutter body. The utility model discloses can arrange the marrow in and say reaming, at the reaming in-process, can be at 0 degrees to 90 degrees within ranges dynamic adjustment cutting knife body to in satisfying the reaming demand, need not other appurtenance during the use alright make cutting knife body rotate into 90 degrees, can accomplish the reaming operation in the operation more efficiently.
Description
Technical Field
The utility model relates to a reverse drill, in particular to a reverse drill applied to the preparation of marrow channels, belonging to the medical technical field
Background
In arthroscopic surgery, an arthroscope is placed in an incision in the skin for intraoperative viewing; meanwhile, according to the requirements of different operation positions, incisions are made at corresponding positions of the skin, and surgical instruments are placed in the incisions for operation. The number of incisions is reduced as much as possible during the operation, so that the wound area is reduced, the recovery is facilitated, and the infection risk is reduced. In reconstructive surgery using soft tissue grafts, it is often necessary to prepare the bone marrow tract. The prior art usually adopts a shin bone approach or an anterior approach mode, so that the wound area is large, and the operation time of a doctor is long. In order to improve the current situation, a device needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a semi-automatic reverse brill can the dynamic adjustment cutting cutter body, can accomplish the reaming operation in the operation more efficiently.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a semi-automatic reverse brill, includes rotatory cutting mechanism, drive mechanism and cutting controller, rotatory cutting mechanism and drive mechanism are connected, and drive mechanism and cutting controller are connected, and rotatory cutting mechanism includes the cutting cutter body, removable pin and fixed pin, and removable pin and drive mechanism fixed connection are provided with first pinhole on the cutting cutter body, and the removable pin passes first pinhole and is connected with the cutting cutter body, and the fixed pin is fixed to be set up on drive mechanism, is provided with the second pinhole on the cutting cutter body, and the fixed pin passes second pinhole and is connected with the cutting cutter body.
The cutting angle of the rotary cutting mechanism can be adjusted through the cutting controller and the transmission mechanism, so that the use requirements of different cutting angles in an operation are met.
In the aforementioned semi-automatic reverse drill, drive mechanism includes interior pole and outer tube, interior pole and the coaxial setting of outer tube, and interior the pole in locate the outer tube, the both ends fixed mounting of activity round pin is on interior pole, and the fixed pin sets up in the outer tube, and the both ends of fixed pin adopt the laser welding mode to fix on the outer tube. In order to ensure that the inner rod moves up and down in the outer tube and the inner rod and the outer tube are coaxially arranged, two ends of the movable pin are fixed on the inner rod in a laser welding mode.
In the semi-automatic reverse drill, one end of the inner rod is provided with a notch with an arc-shaped side. One side of the notch is provided with an arc-shaped notch so as to avoid the contact between the inner rod and a fixing pin fixed in the outer tube.
In the semi-automatic reverse drill, the cutting controller includes the control seat and twists the piece, be provided with first through-hole on the control seat, one end opening extends to the second through-hole on the first through-hole pore wall, one end opening extends to the third through-hole on the first through-hole pore wall, the coaxial setting of second through-hole and third through-hole, it wears to locate in the first through-hole to twist the piece.
In the semi-automatic reverse drill, the twisting member is provided with a longitudinal through hole, and the longitudinal through hole and the second through hole are coaxially arranged.
In the semi-automatic reverse drill, the rotation angle of the cutting blade body is 0 to 90 degrees.
In the aforementioned semi-automatic reverse drill, the outer wall of the outer tube is provided with scale marks.
In the semi-automatic reverse drill, the first pin hole is a strip-shaped hole; the second pin hole is a circular hole.
Compared with the prior art, the utility model discloses can arrange the marrow in way reaming, at the reaming in-process, can be at 0 degrees to 90 degrees within ranges dynamic adjustment cutting knife body to in satisfying the reaming demand, need not other appurtenance during the use alright make the cutting knife body rotate into 90 degrees, can accomplish the reaming operation in the operation more efficiently.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention without undue limitation of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the rotary cutting mechanism of the present invention;
fig. 3 is a schematic structural view of the cutting blade body of the present invention when rotating;
FIG. 4 is a schematic side view of the cutting controller of the present invention;
FIG. 5 is a schematic horizontal sectional view of the control seat of the present invention;
fig. 6 is a schematic structural view of the cutting blade body of the present invention.
Reference numerals: 1-a rotary cutting mechanism, 101-a cutting knife body, 102-a movable pin, 103-a fixed pin, 2-a transmission mechanism, 201-an inner rod, 202-an outer tube, 3-a cutting controller, 301-a control seat, 302-a twisting part, 4-a first pin hole, 5-a second pin hole, 6-a notch with an arc-shaped side, 7-a first through hole, 8-a second through hole, 9-a third through hole and 10-a longitudinal through hole.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
In order to make the technical solution of the present invention better understood, the following description is given with reference to the accompanying drawings in the embodiments of the present invention, and the technical solution in the embodiments of the present invention is clearly and completely described. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Embodiment 1 of the utility model: a semi-automatic reverse drill comprises a rotary cutting mechanism 1, a transmission mechanism 2 and a cutting controller 3, wherein the rotary cutting mechanism 1 is connected with the transmission mechanism 2, the transmission mechanism 2 is connected with the cutting controller 3, the rotary cutting mechanism 1 comprises a cutting cutter body 101, a movable pin 102 and a fixed pin 103, the movable pin 102 is fixedly connected with the transmission mechanism 2, a first pin hole 4 is formed in the cutting cutter body 101, the movable pin 102 penetrates through the first pin hole 4 to be connected with the cutting cutter body 101, the fixed pin 103 is fixedly arranged on the transmission mechanism 2, a second pin hole 5 is formed in the cutting cutter body 101, the fixed pin 103 penetrates through the second pin hole 5 to be connected with the cutting cutter body 101, and the first pin hole 4 is a long-strip-shaped hole 11; the second pin hole 5 is a circular hole 12. The transmission mechanism 2 comprises an inner rod 201 and an outer tube 202, and in order to improve the control precision, scale marks are arranged on the outer wall of the outer tube 202. The inner rod 201 and the outer tube 202 are coaxially arranged, the inner rod 201 is arranged in the outer tube 202, two ends of the movable pin 102 are fixedly arranged on the inner rod 201, the fixing pin 103 is arranged in the outer tube 202, and two ends of the fixing pin 103 are fixed on the outer tube 202 in a laser welding mode. One end of the inner rod 201 is provided with a notch 6 with one side in an arc shape. The cutting controller 3 comprises a control seat 301 and a twisting piece 302, a first through hole 7 is arranged on the control seat 301, a second through hole 8 with one end opening extending to the hole wall of the first through hole 7 and a third through hole 9 with one end opening extending to the hole wall of the first through hole 7 are arranged on the control seat 301, the second through hole 8 and the third through hole 9 are coaxially arranged, and the twisting piece 302 is arranged in the first through hole 7 in a penetrating manner. The twisting member 302 is provided with a longitudinal through hole 10, and the longitudinal through hole 10 is coaxially arranged with the second through hole 8. The rotation angle of the cutting blade body 101 is 0 to 90 degrees, and the movable pin 102 and the fixed pin 103 are fixedly connected by laser welding in this example.
Embodiment 2 of the utility model: the utility model provides a semi-automatic reverse brill, including rotatory cutting mechanism 1, drive mechanism 2 and cutting controller 3, rotatory cutting mechanism 1 and drive mechanism 2 are connected, drive mechanism 2 and cutting controller 3 are connected, rotatory cutting mechanism 1 includes cutting cutter body 101, removable pin 102 and fixed pin 103, removable pin 102 and drive mechanism 2 fixed connection, be provided with first pinhole 4 on the cutting cutter body 101, removable pin 102 passes first pinhole 4 and is connected with cutting cutter body 101, the fixed pin 103 is fixed to be set up on drive mechanism 2, be provided with second pinhole 5 on the cutting cutter body 101, fixed pin 103 passes second pinhole 5 and is connected with cutting cutter body 101. The transmission mechanism 2 comprises an inner rod 201 and an outer tube 202, the inner rod 201 and the outer tube 202 are coaxially arranged, the inner rod 201 is arranged in the outer tube 202, two ends of a movable pin 102 are fixedly arranged on the inner rod 201, a fixed pin 103 is arranged in the outer tube 202, and two ends of the fixed pin 103 are fixed on the outer tube 202 in a laser welding mode.
The utility model discloses a theory of operation:
the push button piece 302 is connected with the inner rod 201, the inner rod 201 moves downwards after the push button is pushed forwards, the cutting knife body 101 is connected with the inner rod 201 through the movable pin 102, the downwards moving inner rod 201 can drive the cutting knife body 101 to move, and the cutting knife body is installed on the inner rod 201 through the fixed pin 103 at the same time, so that when the inner rod 201 moves downwards, the movable pin 102 fixed on the inner rod 201 can rotate by taking the fixed pin 103 as a central shaft, the cutting knife body 101 is driven to rotate, and the rotation range of the cutting knife body 101 is 0-90 degrees. When the cutting blade body 101 is rotated by a certain angle (e.g., 90 degrees), the button member 302 is released, and the cutting blade body 101 is fixed at the current position. When the cutting blade body 101 needs to be restored to the initial position, the button member 302 is pressed and simultaneously the button member 302 is pushed backward, the cutting blade body 101 is rotated to the initial position, and then the button member 302 is released. The utility model discloses simple structure can realize a key upset cutting cutter body 101, facilitates the use, need not with the help of other apparatus.
Claims (8)
1. A semi-automatic reverse drill is characterized by comprising a rotary cutting mechanism (1), a transmission mechanism (2) and a cutting controller (3), the rotary cutting mechanism (1) is connected with the transmission mechanism (2), the transmission mechanism (2) is connected with the cutting controller (3), the rotary cutting mechanism (1) comprises a cutting knife body (101), a movable pin (102) and a fixed pin (103), the movable pin (102) is fixedly connected with the transmission mechanism (2), the cutting knife body (101) is provided with a first pin hole (4), the movable pin (102) passes through the first pin hole (4) and is connected with the cutting knife body (101), the fixing pin (103) is fixedly arranged on the transmission mechanism (2), the cutting knife body (101) is provided with a second pin hole (5), the fixing pin (103) penetrates through the second pin hole (5) to be connected with the cutting knife body (101).
2. The semi-automatic reverse drill according to claim 1, characterized in that the transmission mechanism (2) comprises an inner rod (201) and an outer tube (202), the inner rod (201) and the outer tube (202) are coaxially arranged, the inner rod (201) is arranged in the outer tube (202), two ends of the movable pin (102) are fixedly arranged on the inner rod (201), the fixed pin (103) is arranged in the outer tube (202), and two ends of the fixed pin (103) are fixed on the outer tube (202) in a laser welding manner.
3. A semi-automatic backdrill according to claim 2, characterized in that one end of the inner rod (201) is provided with a notch (6) having an arc-shaped configuration on one side.
4. A semi-automatic reverse drill according to claim 1 or 3, wherein the cutting controller (3) comprises a control base (301) and a twisting member (302), the control base (301) is provided with a first through hole (7), a second through hole (8) with one end opening extending to the wall of the first through hole (7), and a third through hole (9) with one end opening extending to the wall of the first through hole (7), the second through hole (8) and the third through hole (9) are coaxially arranged, and the twisting member (302) is arranged in the first through hole (7) in a penetrating manner.
5. A semi-automatic reverse drill according to claim 4, characterized in that the said twist member (302) is provided with a longitudinal through hole (10), the said longitudinal through hole (10) being coaxial with the second through hole (8).
6. A semi-automatic backdrill according to claim 5, characterized in that the cutting blade body (101) is rotated through an angle of 0-90 degrees.
7. A semi-automatic reverse drill according to claim 2, characterized in that the outer wall of the outer tube (202) is provided with graduation marks.
8. A semi-automatic backdrill according to claim 1, characterized in that the first pin hole (4) is an elongated hole (11); the second pin hole (5) is a circular hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849033.8U CN211560247U (en) | 2019-10-29 | 2019-10-29 | Semi-automatic reverse drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849033.8U CN211560247U (en) | 2019-10-29 | 2019-10-29 | Semi-automatic reverse drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211560247U true CN211560247U (en) | 2020-09-25 |
Family
ID=72529923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921849033.8U Active CN211560247U (en) | 2019-10-29 | 2019-10-29 | Semi-automatic reverse drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211560247U (en) |
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2019
- 2019-10-29 CN CN201921849033.8U patent/CN211560247U/en active Active
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