CN213552128U - Anterior cervical vertebra trepanning device - Google Patents

Abstract

The utility model discloses a way trompil device before cervical vertebra, it is including opening a way awl pole and the awl head that sets up tip before the awl pole of awl, opens a way and is equipped with handheld handle at the rear portion of awl pole, open a way awl pole including the preceding linkage segment that is used for connecting the awl head, be used for connecting the back linkage segment of handheld handle and lie in preceding linkage segment and the slope section between the back linkage segment, preceding linkage segment and back linkage segment parallel arrangement, contained angle between slope section and the preceding linkage segment and contained angle between slope section and the back linkage segment all are angle M, and angle M's scope is 95 degrees to 120 degrees, the awl head is including connecting the awl head shovel section on preceding linkage segment and the awl head section of opening that lies in awl head shovel section front end, and awl head shovel section is the platykurtic and sets up and from going to back gradually, and the preceding terminal surface of opening awl head section is convex awl blade of opening. The utility model discloses can help the easy simple and convenient realization anterior cervical vertebra trompil of medical personnel, have the advantage that improves the operation success rate and reduce the operation risk.

Description

Anterior cervical vertebra trepanning device

Technical Field

The utility model relates to a cervical vertebra anterior tapping device.

Background

The pedicle screw fixing technology is widely applied to orthopedic spine deformity correction surgery. When cervical spondylosis occurs, the cervical canal is narrow, the cervical intervertebral disc in front of the cervical canal can be protruded to cause the stenosis, and the hyperosteogeny of the vertebral canal can also be generated to form the bony cervical canal stenosis. If the anterior cervical intervertebral disc is protruded to cause nerve compression, the anterior approach is needed for surgical treatment. Posterior treatment is required if posterior spinal stenosis is to occur. When the operation is performed from the anterior cervical spine or the posterior cervical spine, the pedicle screws need to penetrate through the surface of the cervical spine and then extend into the pedicles, but once the pedicle screws are adjacent to important tissues such as spinal cords, nerve roots, esophagus and blood vessels, the screw placement deviation occurs, and the consequence is very serious.

When the cervical intervertebral disc in front is protruded to cause the condition of pressing nerves, the operation treatment is needed to be carried out from the anterior, namely, after part or all of the intervertebral disc is cut off, the vertebral arch pedicle screws are adopted for fixing. When carrying out pedicle of vertebral arch screw fixation operation, at first will open a way with the awl of opening a way, form pedicle of vertebral arch screw's the direction of advancing, its degree of depth is confirmed according to different people and different cervical vertebra, generally at 2-4cm, when the awl of opening a way is opened a way, it has been confirmed to be used for advancing the nail direction, therefore when carrying out the operation treatment from the front way, the awl of opening a way of adopting the straight-bar is when drilling, the awl pole of awl of opening a way and medical personnel's hand receive the influence of patient's chest easily, medical personnel hardly send forth strength drilling, it is difficult to accomplish the operation, cause the problem that the operation time is long and increase patient's pain, even, can appear advancing the wrong problem that.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a cervical vertebra way of escape trompil device, can help the easy simple and convenient realization cervical vertebra way of escape trompil of medical personnel with this cervical vertebra way of escape trompil device to the medical personnel of being convenient for have an effect drilling, effectively guaranteed the success rate of performing the operation.

In order to solve the technical problem, the provided anterior cervical vertebra tapping device comprises an open-circuit conical rod and a conical head arranged at the front end part of the open-circuit conical rod, wherein a handheld handle is arranged at the rear part of the open-circuit conical rod, and the anterior cervical vertebra tapping device is structurally characterized in that: open a way awl pole is including the preceding linkage segment that is used for connecting the awl head, the back linkage segment that is used for connecting the handheld handle and the slope section that is located between linkage segment and the back linkage segment, preceding linkage segment and back linkage segment parallel arrangement, contained angle between slope section and the preceding linkage segment and contained angle between slope section and the back linkage segment all are angle M, and angle M's scope is 95 degrees to 120 degrees, the awl head is including connecting the awl head shovel section on the linkage segment in the front and the awl head section of opening that is located awl head shovel section front end, and awl head shovel section is the platykurtic setting and from going to back grow the thickness gradually, and the preceding terminal surface of opening the awl head section is convex awl blade of opening.

The bottom surface of the open cone head section is an arc surface, and the top surface of the open cone head section is a flat surface, so that the open cone head becomes thinner gradually from back to front.

And the front connecting section is provided with scale marks.

The handheld handle is a plastic sleeve connected to the rear end of the open-circuit conical rod, and a plurality of pits are annularly distributed on the surface of the plastic sleeve.

The front connecting section, the rear connecting section and the inclined section are located in the same plane N, and the flat surface of the conical head shovel section is parallel to or perpendicular to the plane N.

After adopting above-mentioned structure, owing to set up foretell slope section and front and back linkage segment to carry out the restriction to its angle, therefore when performing the operation, the hand can not receive the extrusion interference of chest when opening a way and drilling, can easily realize anterior cervical way trompil, and be favorable to the operating personnel to master the angle of trompil, guarantee the success rate of performing the operation and reduce the operation risk.

To sum up, the utility model discloses can help the easy simple and convenient realization anterior cervical vertebra trompil of medical personnel, have the advantage that improves the operation success rate and reduce the operation risk.

Drawings

The invention will be further described with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a cross-sectional view of a cervical spine;

FIG. 2 is a schematic view of the right side view of FIG. 1;

FIG. 3 is a schematic view of a bed position of a human body during surgery;

FIG. 4 is a schematic view of the maximum angle of the human head at which the operation is performed with the head tilted backward;

fig. 5 is a schematic structural diagram of an embodiment of the present invention;

FIG. 6 is an enlarged view of area A of FIG. 5;

fig. 7 is a schematic top view of fig. 6.

Detailed Description

Referring to fig. 1 to 4, fig. 1 and 2 show the shape of the cervical vertebrae and the position and direction of the screw, fig. 3 and 4 show the position of the patient and the approximate position and shape of the cervical vertebrae in the body of the patient, in the prior art, the pedicle screw implantation operation is performed through the anterior approach, the operative field is small, and the pedicle screw implantation operation needs to be accurately entered from the H line in the figure to ensure the operation effect, the double-arrow line in the figure shows the possible angle deviation of the screw entering direction, in case of the angle deviation, the operation failure and the injury of the vertebral artery or vertebral canal of the patient are easily caused, the doctor can clearly understand the screw entering position through the perspective view, but the screw entering direction (the direction of the H line) and the screw entering distance are difficult to be accurately grasped, so the operation is difficult and long in time, and in addition, because the body position (the body position in the operation in fig. 4) is a problem, no matter how the head of a human body leans back, a large angle is difficult to achieve, and under the condition of a certain nail feeding angle, when a doctor operates the straight-rod-shaped open-circuit awl, the back end head parts of the hands and the open-circuit awl are easily influenced by the chest of a patient, the operation is difficult, even the control problem that the nail feeding angle cannot be realized is caused, the professional technical requirements of the doctor are high, and doctor-patient accidents are easy to occur.

Referring to fig. 5 to 7, the utility model provides an embodiment of anterior cervical vertebra trompil device, it is including opening a way awl pole 1 and setting up the conical head 2 at the awl pole front end portion of opening a way, the rear portion of the awl pole of opening a way is equipped with handheld handle 3, handheld handle can be the expansion head form in fig. 5, also can be for cylindrical, in this embodiment, handheld handle 3 is for connecting the plastic sheath at the awl pole rear end of opening a way, the plastic sheath has a plurality of pits of cloth on the surface, can make things convenient for the operating personnel to use the strength. Open way awl pole 1 is including the preceding linkage segment 11 that is used for connecting awl head 2, the back linkage segment 13 that is used for connecting handheld handle 3 and the slope section 12 that is located between linkage segment and the back linkage segment, preceding linkage segment 11 and back linkage segment 13 parallel arrangement, contained angle between slope section 12 and the preceding linkage segment 11 and contained angle between slope section and the back linkage segment all are angle M, and angle M's scope is 95 degrees to 120 degrees, and through the setting of above-mentioned angle, when the operating personnel performed the operation, the hand can not receive the interference of patient's chest, guarantees that the trompil direction meets the demands, awl head 2 is including connecting awl head shovel section 21 on the preceding linkage segment and the awl head section 22 of opening that is located awl head shovel section 21 front end, and awl head shovel section 21 is the setting of platykurtic thickening and from going to back gradually, and the preceding terminal surface of opening awl head section 22 is convex opening awl blade. In addition, in this embodiment, the front connection section 11, the rear connection section 13 and the inclined section 12 are located in the same plane N, and the flat surface of the conical head shovel section 21 is parallel to or perpendicular to the plane N, so that an operator can conveniently master the initial position of the conical head shovel section 21, and then the operator can easily master the hole-entering distance by rotating the whole device, thereby reducing the operation difficulty and the operation risk.

Referring to fig. 5 to 7, the bottom surface of the open-cone head section 22 is an arc surface, and the top surface thereof is a flat surface, so that the open-cone head becomes thinner from back to front, and the front connecting section 11 is provided with scale marks. The structure is beneficial to drilling and ensures the drilling depth.

The utility model discloses can also have other embodiments, other technical scheme that form in the record of claim no longer carry out the repeated description one by one, the utility model discloses do not receive the restriction of above-mentioned embodiment, based on the equivalent change and the part replacement of above-mentioned embodiment are all in the utility model discloses a protection within range.

Claims (5)

1. The utility model provides a cervical vertebra way trompil device, includes open a way awl pole (1) and sets up awl head (2) at the awl pole front end portion of opening a way, and the rear portion of the awl pole of opening a way is equipped with handheld handle (3), characterized by: open a way awl pole (1) including preceding linkage segment (11) that is used for connecting awl head (2), be used for connecting back linkage segment (13) of handheld handle (3) and slope section (12) that are located between linkage segment and the back linkage segment, preceding linkage segment (11) and back linkage segment (13) parallel arrangement, contained angle between slope section (12) and preceding linkage segment (11) and contained angle between slope section and the back linkage segment all are angle M, and angle M's scope is 95 degrees to 120 degrees, awl head (2) are connected awl head shovel section (21) on preceding linkage segment and are located the awl head shovel section (21) front end open awl head section (22), and awl head shovel section (21) are the platykurtic and set up and from going to back gradually, and the preceding terminal surface of opening awl head section (22) is convex and opens the awl blade.

2. The anterior cervical fenestration device of claim 1, wherein: the bottom surface of the open cone head section (22) is an arc surface, and the top surface of the open cone head section is a flat surface, so that the open cone head becomes thinner gradually from back to front.

3. The anterior cervical fenestration device of claim 1, wherein: and the front connecting section (11) is provided with scale marks.

4. The anterior cervical fenestration device of any of claims 1-3, wherein: the hand-held handle (3) is a plastic sleeve connected to the rear end of the open-circuit conical rod, and a plurality of pits are annularly distributed on the surface of the plastic sleeve.

5. The anterior cervical fenestration device of claim 4, wherein: the front connecting section (11), the rear connecting section (13) and the inclined section (12) are positioned in the same plane N, and the flat surface of the conical head shovel section (21) is parallel to or perpendicular to the plane N.

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