CN217828029U - Pedicle of vertebral arch ware of opening a way for spinal surgery - Google Patents

Abstract

The utility model is suitable for a medical instrument technical field provides a pedicle of vertebral arch ware of opening road for spinal surgery, including inserted bar, fixed subassembly, the inserted bar is including the awl of opening road, regulation awl, the through-hole has been seted up on the awl of opening road, the through-hole inner arm is provided with the internal thread, the through-hole internalization is provided with adjust the awl, fixed subassembly includes baffle, fixed leaf, handle, the baffle sliding sleeve cover is established the surface of the awl of opening road, the fixed leaf that is provided with a plurality of petal shapes is fixed to one side of baffle, the handle cover is established on the fixed leaf, and with fixed leaf threaded connection, through setting it can be right to adjust the awl the degree of depth that the pedicle of vertebral arch was inserted to the inserted bar finely tunes, guarantees that the inserted bar inserts the degree of depth of vertebral arch is suitable, through setting the baffle fixed leaf with the handle can insert before the inserted bar will the baffle is adjusted to suitable position and is fixed, prevents to insert the deep and cause the injury to the patient.

Description

Pedicle of vertebral arch ware of opening a way for spinal surgery

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a pedicle of vertebral arch ware of opening for spinal surgery.

Background

In spinal surgery, the pedicle screw can be placed to play a role of three-column fixation, so that the pedicle screw is widely applied to clinical treatment of various spinal diseases, the accurate placement of the pedicle screw is crucial to the success of the surgery, various serious complications can be caused if the placement position is poor, and the accurate placement of the pedicle screw needs two elements: the nail inserting direction of the nail inserting point box is relatively easy to implement in the operation, the nail inserting direction is relatively difficult to determine, the nail inserting direction is a vector in a three-dimensional space and is projected on a plane, the nail inserting direction and a treatment line of the nail inserting point form a certain transverse angle and a certain longitudinal angle, the nail inserting direction can be determined after the transverse angle and the longitudinal angle are determined, the ideal transverse angle and the ideal longitudinal angle can be obtained through preoperative axial position CT measurement and intraoperative lateral position X-ray perspective measurement, the direction of how to control the opener is coincident with the nail inserting direction, and the accurate control of the nail inserting direction is the key for success or failure of the pedicle screw inserting operation.

When the existing pedicle of vertebral arch ware of opening a way is used, inconvenient to carry out the small-range regulation to the depth of insertion, be difficult to control, can't avoid the depth of insertion too deeply, can not protect the patient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pedicle of vertebral arch ware of opening a way for spinal surgery aims at solving the technical problem that exists at present.

The utility model discloses a realize like this, a pedicle of vertebral arch ware of opening a way for spinal surgery, including inserted bar, fixed subassembly.

The inserted bar is including opening way awl, regulation awl, it has the control end that is used for inserting the puncture end of pedicle of vertebral arch and is used for the gripping to open the way awl, open and seted up the through-hole on the awl, the through-hole inner arm is provided with the internal thread, the through-hole internalization is provided with adjust the awl, adjust the awl surface be provided with the external screw thread that internal thread on the through-hole inner arm was mutually supported.

Fixed subassembly includes baffle, fixed leaf, handle, the baffle slip cap is established the surface of open road awl, the fixed leaf that is provided with a plurality of petal shapes in one side of baffle, it is a plurality of be provided with the interval between the fixed leaf, the fixed leaf surface is provided with the external screw thread, the handle cover is established on the fixed leaf, and with fixed leaf threaded connection.

Preferably, the outer surfaces of the open-circuit cone and the adjusting cone are marked with scales.

Preferably, the open cone is coincident with the axis of the adjusting cone.

And the length of the adjusting cone is greater than that of the open road cone, and the two ends of the adjusting cone extend out of the outer surface of the open road cone.

Preferably, a rotating wheel is fixedly arranged at one end of the adjusting cone close to the control end of the open-circuit cone.

The runner surface is provided with the arch, the arch is provided with a plurality ofly, and is a plurality of the even setting of encircleing of arch is in the surface of runner.

Preferably, the outer surface of the handle is provided with an arc-shaped groove, and the outer surface of the handle is wrapped with a rubber pad.

And anti-skid grains are arranged on the outer surface of the rubber pad.

Preferably, the fixing blade is made of a plastic material having elasticity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a pedicle of vertebral arch ware of opening route for spinal surgery can finely tune the degree of depth that the inserted bar inserted the pedicle of vertebral arch through setting up the regulation awl, guarantees that the depth that the inserted bar inserted the pedicle of vertebral arch is suitable, through setting up baffle, fixed leaf and handle, can adjust the baffle to suitable rigidity before inserting the inserted bar, prevents to insert the too dark injury that causes the patient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the runner of the present invention;

fig. 3 is a schematic view of the structure of the baffle and the fixed blade of the present invention.

In the figure: 1. inserting a rod; 11. an open-circuit cone; 12. an adjusting cone; 13. a rotating wheel; 2. a fixing component; 21. a baffle plate; 22. fixing the leaves; 23. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-2, the utility model provides a pedicle of vertebral arch ware of opening a way technical scheme for spinal surgery: comprises an inserting rod 1 and a fixing component 2.

The inserted link 1 includes the awl 11 of opening a way, adjusts awl 12, and the awl 11 of opening a way has the control end that is used for inserting the puncture end of pedicle of vertebral arch and is used for the gripping, has seted up the through-hole on the awl 11 of opening a way, and the through-hole inner arm is provided with the internal thread, and the through-hole internalization is provided with adjusts awl 12, adjusts 12 surfaces of awl and is provided with the external screw thread that mutually supports with the internal thread on the through-hole inner arm.

The puncturing end of the open-circuit awl 11 is inserted into the pedicle of vertebral arch, the adjusting awl 12 is rotated after the puncturing end is inserted to a proper position, and the adjusting awl 12 can move in the open-circuit awl 11 due to the fact that the adjusting awl 12 is in threaded connection with the open-circuit awl 11, and therefore the adjusting awl is adjusted to a proper position.

Wherein, the outer surfaces of the open-circuit cone 11 and the adjusting cone 12 are marked with scales.

The scales on the outer surfaces of the open cone 11 and the adjusting cone 12 can facilitate the medical staff to insert the open cone 11 and the adjusting cone 12 into proper positions.

Furthermore, the axis of the open-circuit cone 11 is consistent with that of the adjusting cone 12, the length of the adjusting cone 12 is greater than that of the open-circuit cone 11, and two ends of the adjusting cone 12 extend out of the outer surface of the open-circuit cone 11.

The axis of awl 11 and the regulation awl 12 of opening a way is unanimous for adjust awl 12 when the awl 11 internal rotation of opening a way, can not be to the side skew, adjust the length that the awl 12 is greater than the length of awl 11 of opening a way, make things convenient for the rotation regulation awl 12 to adjust.

In addition, the adjusting cone 12 is fixedly provided with a rotating wheel 13 at one end close to the control end of the open-circuit cone 11, the outer surface of the rotating wheel 13 is provided with a plurality of bulges, and the plurality of bulges are uniformly arranged on the outer surface of the rotating wheel 13 in a surrounding manner.

When the rotary adjusting cone 12 is adjusted, the medical staff can hold the rotating wheel 13 to perform rotary adjustment, the operation is convenient, fast, time-saving and labor-saving, and the rotating wheel 13 can be rotated easily by a plurality of bulges evenly arranged on the outer surface of the rotating wheel 13.

Referring to fig. 1 and 3, the fixing assembly 2 includes a baffle plate 21, a plurality of fixing blades 22 and a handle 23, the baffle plate 21 is slidably sleeved on the outer surface of the open-circuit cone 11, the fixing blades 22 are fixedly disposed on one side of the baffle plate 21, a space is disposed between the fixing blades 22, external threads are disposed on the outer surface of the fixing blades 22, and the handle 23 is sleeved on the fixing blades 22 and is in threaded connection with the fixing blades 22.

Rotatory not hard up handle 23, fixed leaf 22 is not hard up, then moves baffle 21 to suitable position, and rotatory handle 23 of screwing up is locked fixed leaf 22 to fixed baffle 21, baffle 21 are fixed in suitable position, avoid the awl 11 of opening a way and adjust awl 12 and insert too deeply and cause the injury to the patient.

Wherein, the outer surface of handle 23 is provided with circular arc recess, and handle 23 surface parcel has the rubber pad, and the rubber pad surface is provided with anti-skidding line.

The arc-shaped groove enables medical staff to hold the handle 23 conveniently to work, the comfort level can be improved through the rubber pad on the outer surface of the handle 23, and the friction force between the rubber pad and the palm can be increased through the anti-skidding lines to prevent slipping.

In addition, the stationary blade 22 is made of a plastic material having elasticity.

The fixing blade 22 made of elastic plastic ensures that the fixing blade 22 is not easy to break when loosened and locked, and has longer service life.

The utility model discloses a theory of operation and use flow: rotatory not hard up handle 23, fixed leaf 22 is not hard up, then movable baffle 21 to suitable position, rotatory handle 23 of screwing up is with fixed leaf 22 locking, thereby fixed baffle 21, baffle 21 is fixed in suitable position, avoid opening way awl 11 and regulation awl 12 to insert the too dark injury to the patient that causes, the end of puncturing that will open way awl 11 inserts in the pedicle of vertebral arch, insert rotatory regulation awl 12 behind the suitable position, because adjust awl 12 and 11 threaded connection of awl of opening way, adjust awl 12 and can remove in awl 11 of opening a way, thereby adjust to suitable position.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (6)

1. The utility model provides a pedicle of vertebral arch ware of opening a way for spinal surgery which characterized in that: comprises an inserted link (1) and a fixed component (2);

the insertion rod (1) comprises an open-circuit cone (11) and an adjusting cone (12), the open-circuit cone (11) is provided with a puncture end for inserting into a vertebral pedicle and a control end for grasping, a through hole is formed in the open-circuit cone (11), an inner arm of the through hole is provided with an internal thread, the adjusting cone (12) is movably arranged in the through hole, and an external thread matched with the internal thread on the inner arm of the through hole is arranged on the outer surface of the adjusting cone (12);

fixed subassembly (2) include baffle (21), fixed leaf (22), handle (23), baffle (21) slip cover is established the surface of open road awl (11), one side of baffle (21) is fixed to be provided with a plurality of fixed leaves (22), and is a plurality of be provided with the interval between fixed leaf (22), fixed leaf (22) surface is provided with the external screw thread, handle (23) cover is established fixed leaf (22) are last, and with fixed leaf (22) threaded connection.

2. A pedicle distractor for spinal surgery as claimed in claim 1, wherein: the outer surfaces of the open-circuit cone (11) and the adjusting cone (12) are marked with scales.

3. A pedicle distractor for spinal surgery as claimed in claim 1, wherein: the axis of the open-circuit cone (11) is consistent with that of the adjusting cone (12);

and the length of the adjusting cone (12) is greater than that of the open road cone (11), and two ends of the adjusting cone (12) extend out of the outer surface of the open road cone (11).

4. A pedicle opener for spinal surgery as claimed in claim 1, wherein: a rotating wheel (13) is fixedly arranged at one end of the adjusting cone (12) close to the control end of the open-circuit cone (11);

the outer surface of the rotating wheel (13) is provided with a plurality of bulges, and the bulges are uniformly arranged on the outer surface of the rotating wheel (13) in a surrounding manner.

5. A pedicle distractor for spinal surgery as claimed in claim 1, wherein: the outer surface of the handle (23) is provided with an arc-shaped groove, and the outer surface of the handle (23) is wrapped with a rubber pad;

and anti-skid grains are arranged on the outer surface of the rubber pad.

6. A pedicle distractor for spinal surgery as claimed in claim 1, wherein: the fixed blade (22) is made of elastic plastic materials.

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