CN208892748U - A kind of medical instrument for Lumbar scoliosis correction - Google Patents

Abstract

The utility model relates to a kind of medical instrument for Lumbar scoliosis correction of medical instruments field, handgrip part includes proximally and distally that handgrip part is gradually narrowed from distal-to-proximal；Medium position on handgrip part from proximal end to handgrip part is provided with connecting hole, and connecting hole is arranged along the axial direction of handgrip part；Working position includes cooperating the connecting rod of connecting hole setting and its S-shaped restorer being vertically set in connecting rod on handgrip part, and S-shaped restorer includes left work convex surface, left concave work surface, right work convex surface and right concave work surface；Connecting rod is directly connect with the center of S-shaped restorer；The surface of left concave work surface and right concave work surface is provided with anti-slip layer；Anti-slip layer includes groove and boss；The utility model uses posterior transpedicle side spinning reduction technology assistant orthopedic scoliosis, and optical force is more powerful, and does not easily lead to the loosening of pedicle screw, and in conjunction with pedicle screw fixation degenerative scoliosis, clinical effectiveness is good.

Description

A kind of medical instrument for Lumbar scoliosis correction

Technical field

The utility model relates to the medical instruments for Lumbar scoliosis correction a kind of in medical instruments field.

Background technique

Degenerative scoliosis (degenerativelumbarscoliosis, DLS) is that the common pathology of lumbar disease changes Become, with advancing age, asymmetry regression occur in interverbebral disc and Minor articulus etc., and inclination, the side for centrum then occur are sliding Shifting, rotation and subluxation, ultimately form the convex deformity in coronal surface side, and DLS clinical manifestation is intractable lumbago, lower limb mind Through root pain and the symptoms such as intermittent claudication, the symptoms such as patient Chang Yin pain, standing or difficulty in walking influence its quality of life and Medical, effect of conservative treatment is poor, convex related with side for clear clinical symptoms, and neurological dysfunction progressive aggravates and by tight The non-operative treatment nonresponder of lattice, should take surgical intervention, release neurothlipsis to relieve pain, correction deformity, reconstruction Spinal stabilization and Sagittal balance are the purposes of operative treatment, when the past operative treatment degenerative scoliosis, generally use vertebra Nut internal fixation system carries out the pressurization of concave side strutted with convex side, removes Vertebral rotation in conjunction with transfer rod technology, reaches orthopedic purpose, Interior fixed loosening, nail pulling are easily caused in orthopaedic procedures.

Utility model content

The purpose of the utility model is to provide a kind of medical instrument for Lumbar scoliosis correction, which can lead to It crosses using posterior transpedicle side spinning reduction technology assistant orthopedic scoliosis, corrects scoliosis phase with traditional transfer rod Than, difference be the stress of its correction deformity be concentrated mainly on the side wall of pedicle of vertebral arch rather than on pedicle screw, using the way of escape Pedicle side spinning reduction technology assistant orthopedic scoliosis, optical force is more powerful, and does not easily lead to pedicle screw It loosens；In conjunction with pedicle screw fixation degenerative scoliosis, clinical effectiveness is good.

Purpose of the utility model is realized as follows: a kind of medical instrument for Lumbar scoliosis correction, including work Position and handgrip part, working position and handgrip part setting in T shape, the cylindrical setting of handgrip part, handgrip part packet It includes proximally and distally, handgrip part is gradually narrowed from distal-to-proximal；Middle position on handgrip part from proximal end to handgrip part It installs and is equipped with connecting hole, connecting hole is arranged along the axial direction of handgrip part；Working position includes connecting hole on cooperation handgrip part The connecting rod of setting and its S-shaped restorer being vertically set in connecting rod, S-shaped restorer include left work convex surface, left work Concave surface, right work convex surface and right concave work surface；Connecting rod is directly connect with the center of S-shaped restorer；Left concave work surface and right work The surface for making concave surface is provided with anti-slip layer；Anti-slip layer includes groove and boss.

When utility model works, patient takes prone position under general anesthesia, stringer notch approach is hit exactly after taking, successively exposure, Appear two sides vertebral plate and articular process, pedicle screw is placed in respectively at two sides according to the interior fixed range of preoperative formulation, C-arm is saturating It is satisfied depending on position, it stings in the heavier segment of Vertebral rotation except part spinous process, ligamentum flavum and part vertebral plate, cuts off bilateral lower articular It is prominent, intervertebral foramen is thoroughly opened, nerve root of loosening is inserted into rotation vertebrae strutting device in concave side intervertenral space, and intervertenral space of loosening takes out marrow Core tissue, using the open intervertebral foramen regional space of concave side, the S-shaped restorer being placed between pedicle of vertebral arch on working position, two End is respectively placed in the interior lateral border of the next pedicle of vertebral arch, the rotation of spinning reduction Instrumental reduction centrum and side sliding, and opposite side is faced When fixed short segment stud, that is, the stud for fixing 2 ~ 3 segments is used to maintain corpus vertebrae replacement state, and same method handles remaining disease Traitorous section slides no centrum side and rotates segment and disregard intervertenral space, if it exists spinal canal stenosis, row vertebral lamina fenestration, It loosens nerve.The anti-slip layer that the left concave work surface of S-shaped restorer and right concave work surface is arranged in can increase S-shaped restorer and pedicle of vertebral arch The frictional force of side wall can also be operated convenient for surgical staff, avoid instrument when spinning reduction from sliding, nerve root is caused to damage Wound.

The beneficial effects of the utility model are that the utility model can rotate multiple by using posterior transpedicle side Position technology assistant orthopedic scoliosis, compared with traditional transfer rod corrects scoliosis, difference is the stress of its correction deformity The side wall of pedicle of vertebral arch is concentrated mainly on pedicle screw, is assisted using posterior transpedicle side spinning reduction technology Orthopedic scoliosis, optical force is more powerful, and does not easily lead to the loosening of pedicle screw；It is moved back in conjunction with pedicle screw fixation Row Lumbar scoliosis, clinical effectiveness are good.

As a further improvement of the utility model, for guarantee convenient for surgical staff corrected on the left of Lumbar scoliosis or Right side Lumbar scoliosis；S-shaped restorer includes ZhengSXing mechanism and reverse-s shape mechanism；ZhengSXing mechanism and reverse-s shape mechanism are symmetrical arranged, ZhengSXing mechanism and reverse-s shape mechanism are respectively corresponded and are welded in connecting rod.

ZhengSXing mechanism and reverse-s shape mechanism are replaced convenient for surgical staff as a further improvement of the utility model, for guarantee And then it flexibly performs the operation；Connecting hole is threaded hole, and connecting rod is provided with spiral shell far from the one end fits threaded hole of S row restorer Line.

It performs the operation as a further improvement of the utility model, for guarantee convenient for surgical staff；The surrounding of handgrip part It is axially respectively arranged with hand and grabs slot, hand grabs the elongated setting of slot, and handgrip part is additionally provided with circle at connecting rod Slot.

S-shaped restorer is avoided to slide for guarantee as a further improvement of the utility model,；Groove and boss is rounded sets It sets.

S-shaped restorer is avoided to slide for guarantee as a further improvement of the utility model,；Groove and boss are in quadrangle Setting.

It normally carries out for guarantee S-shaped restorer using when performing the operation rotation as a further improvement of the utility model, It is more stable；The ellipsoidal cross section of S-shaped restorer is arranged.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is that the medical instrument corrects the schematic diagram before Lumbar scoliosis.

Fig. 3 is that the medical instrument corrects the schematic diagram after Lumbar scoliosis.

Fig. 4 is positive S-shaped mechanism structure schematic diagram.

Fig. 5 is reverse-s shape mechanism structure schematic diagram.

Fig. 6 is positive S-shaped mechanism structure left view.

Fig. 7 is reverse-s shape mechanism structure right view.

Wherein, 1S shape restorer, 2 connecting rods, 3 threaded holes, 4 circular troughs, 5 hands grab slot, 6 distal ends, 7 handgrip parts, 8 closely End, 9 grooves, 10 ZhengSXing mechanisms, 11 reverse-s shape mechanisms, 12 anti-slip layers, 13 left work convex surfaces, 14 right work convex surfaces, 15 left work Concave surface, 16 right concave work surfaces, 17 boss.

Specific embodiment

As shown in figs. 1-7, purpose of the utility model is realized as follows: a kind of Medical treatment device for Lumbar scoliosis correction Tool, including working position and handgrip part 7, working position and the setting in T shape of handgrip part 7, handgrip part 7 is cylindrical to be set It sets, handgrip part 7 includes distal end 6 and proximal end 8, and handgrip part 7 is gradually narrowed Zi distal end 6 to proximal end 8；From close on handgrip part 7 The medium position of end 8 to handgrip part 7 is provided with connecting hole, and connecting hole is arranged along the axial direction of handgrip part 7；Working position packet The connecting rod 2 of connecting hole setting and its S-shaped restorer 1 being vertically set in connecting rod 2 on cooperation handgrip part 7 are included, S-shaped is multiple Position device 1 includes left work convex surface 12, left concave work surface 15, right work convex surface 15 and right concave work surface 16；Connecting rod 2 is directly and S The center of shape restorer 1 connects；The surface of left concave work surface 15 and right concave work surface 16 is provided with anti-slip layer 12；Anti-slip layer 12 wraps Include groove 9 and boss 17；S-shaped restorer 1 includes ZhengSXing mechanism 10 and reverse-s shape mechanism 11；ZhengSXing mechanism 10 and reverse-s shape mechanism 11 are symmetrical arranged, and ZhengSXing mechanism 10 and reverse-s shape mechanism 11 are respectively corresponded and be welded in connecting rod 2；Connecting hole is threaded hole, even Extension bar 2 is provided with screw thread far from the one end fits threaded hole 3 of S row restorer；The surrounding of handgrip part 7 is axially respectively set There is hand to grab slot 5, hand grabs the elongated setting of slot 5, and handgrip part 7 is additionally provided with circular trough 4 at connecting rod 2；Groove 9 and convex The rounded setting of platform 17；Groove 9 and boss 17 are arranged in quadrangle；The ellipsoidal cross section of S-shaped restorer 1 is arranged.

When utility model works, it is first determined the lumbar vertebrae of the patient be towards left side side it is convex or towards right side side it is convex；Then Replacement uses ZhengSXing mechanism 10 or reverse-s shape mechanism 11 as one sees fit；Then patient takes prone position under general anesthesia, hits exactly stringer after taking Notch approach, successively exposure, appears two sides vertebral plate and articular process, is placed according to the interior fixed range of preoperative formulation respectively at two sides Pedicle screw, C-arm perspective position is satisfied, stings in the heavier segment of Vertebral rotation except part spinous process, ligamentum flavum and part vertebra Plate, excision bilateral lower articular is prominent, thoroughly opens intervertebral foramen, and nerve root of loosening is inserted into rotation pyramidal support in concave side intervertenral space Device, intervertenral space of loosening take out nucleus pulposus, and using the open intervertebral foramen regional space of concave side, work is placed between pedicle of vertebral arch S-shaped restorer 1 on position；Both ends are respectively placed in the interior lateral border of the next pedicle of vertebral arch, spinning reduction Instrumental reduction centrum Rotation and side sliding, opposite side are fixed temporarily short segment stud, that is, the stud for fixing 2 ~ 3 segments is used to maintain corpus vertebrae replacement shape State, same method handle remaining lesion segment, and no centrum side is slid and rotates segment and disregards intervertenral space, if it exists Spinal canal stenosis, row vertebral lamina fenestration, nerve of loosening；The anti-skidding of the left concave work surface 15 of S-shaped restorer 1 and right concave work surface 16 is set Layer 12 can increase the frictional force of S-shaped restorer 1 Yu pedicle of vertebral arch side wall, can also be operated convenient for surgical staff, avoid rotating Instrument slides when reset, causes nerve root injury.

The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.

Claims (7)

1. a kind of medical instrument for Lumbar scoliosis correction, including working position and handgrip part, which is characterized in that the work Make position and handgrip part setting in T shape, the cylindrical setting of handgrip part, the handgrip part includes distally and close End, the handgrip part are gradually narrowed from distal-to-proximal；From proximal end to the medium position of handgrip part on the handgrip part It is provided with connecting hole, the connecting hole is arranged along the axial direction of handgrip part；The working position includes on cooperation handgrip part The connecting rod of connecting hole setting and its S-shaped restorer being vertically set in connecting rod, the S-shaped restorer includes that left work is convex Face, left concave work surface, right work convex surface and right concave work surface；The connecting rod is directly connect with the center of the S-shaped restorer； The surface of the left concave work surface and right concave work surface is provided with anti-slip layer；The anti-slip layer includes groove and boss.

2. a kind of medical instrument for Lumbar scoliosis correction according to claim 1, it is characterised in that: the S-shaped is multiple Position device includes ZhengSXing mechanism and reverse-s shape mechanism；The ZhengSXing mechanism and reverse-s shape mechanism are symmetrical arranged, the ZhengSXing mechanism and Reverse-s shape mechanism, which respectively corresponds, to be welded in connecting rod.

3. a kind of medical instrument for Lumbar scoliosis correction according to claim 1, it is characterised in that: the connecting hole For threaded hole, the connecting rod is provided with screw thread far from the one end fits threaded hole of S row restorer.

4. a kind of medical instrument for Lumbar scoliosis correction according to claim 1, it is characterised in that: the hand-held part The surrounding of position is axially respectively arranged with hand and grabs slot, and the hand grabs the elongated setting of slot, and the handgrip part is close to connection Circular trough is additionally provided at bar.

5. it is according to claim 1 it is a kind of for Lumbar scoliosis correction medical instrument, it is characterised in that: the groove and The rounded setting of boss.

6. it is according to claim 1 it is a kind of for Lumbar scoliosis correction medical instrument, it is characterised in that: the groove and Boss is arranged in quadrangle.

7. a kind of medical instrument for Lumbar scoliosis correction according to claim 1 or 2, it is characterised in that: the S-shaped The ellipsoidal cross section of restorer is arranged.