CN210697709U - Cervical vertebra anterior approach multi-joint fine-adjustment retractor - Google Patents
Cervical vertebra anterior approach multi-joint fine-adjustment retractor Download PDFInfo
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- CN210697709U CN210697709U CN201921026512.XU CN201921026512U CN210697709U CN 210697709 U CN210697709 U CN 210697709U CN 201921026512 U CN201921026512 U CN 201921026512U CN 210697709 U CN210697709 U CN 210697709U
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Abstract
The utility model discloses a cervical vertebra approach multi-joint fine setting leads out device, the characteristic is: consisting of a transverse retractor and a longitudinal retractor, wherein: the horizontal retractor comprises blade on the L type, blade under the L type, go up the bracing piece, go up the regulating arm, go up the supporting seat, the lower support bar, lower regulating arm, the lower bolster, the rack, the knob, sliding sleeve and lock gear seat, vertical retractor comprises left arc arm, left annular arm, L type left blade, left branch vaulting pole, left regulating arm, right arc arm, right annular arm, L type right blade, right branch vaulting pole, right regulating arm, arc rack and arc lock rack. The utility model has the advantages of it is following and effect: 1. the teeth of the blades are designed in an arc shape, so that the damage to vertebral arteries on two sides and surrounding tissues when the existing cervical vertebra retractor is used can be reduced, and serious operation complications are avoided; 2. the adjusting arms of the transverse retractor and the longitudinal retractor adopt foldable design, so that the optimal visual effect can be provided; 3. the connection parts of the transverse retractor, the longitudinal retractor and the blades are convenient to install and firm to fix.
Description
Technical Field
The utility model relates to a medical instrument, in particular to a cervical vertebra anterior approach multi-joint fine-adjustment retractor.
Background
Anterior cervical vertebra retractor is a common apparatus in the operation, it draws cervical vertebra soft tissue and exposes the field of vision usefulness to go into the way operation in patient's cervical vertebra front, current cervical vertebra retractor includes L type blade and bracing piece of mutual symmetry, a supporting seat, rack and sliding sleeve, during the in-service use, the riser of L type left blade and the riser of L type right blade paste the cervical vertebra soft tissue in both sides respectively, through the knob, make the sliding sleeve slide for the rack, thereby adjust the distance between two L type blades, thereby play the purpose of drawing out the cervical vertebra soft tissue, lock the position of sliding sleeve on the rack is used for locking to the lock tooth seat, thereby the relative position relation between two fixed L type blades. Because the retractor has no multiple movable joints, the angle of the retractor is inconvenient to adjust when the operation visual field is adjusted; the operative field of vision is not perfectly exposed, and the shape of the retractor may cause blunt and sharp injuries to the bilateral vertebral arteries and surrounding tissues, causing serious operative complications.
Disclosure of Invention
An object of the utility model is to provide a can reduce current cervical vertebra retractor when using to the damage of both sides vertebral artery and surrounding tissue, avoid causing serious operation complication, can provide best visual effect, be convenient for the operation, fixed firm cervical vertebra approach multijoint fine setting retractor.
The purpose of the utility model is realized like this:
a cervical vertebra anterior approach multi-joint fine-tuning retractor is characterized in that: consisting of a transverse retractor and a longitudinal retractor, wherein:
the horizontal retractor consists of an L-shaped upper blade, an L-shaped lower blade, an upper supporting rod, an upper adjusting arm, an upper supporting seat, a lower supporting rod, a lower adjusting arm, a lower supporting seat, a rack, a knob, a sliding sleeve and a locking gear seat, and the longitudinal retractor consists of a left arc-shaped arm, a left annular arm, an L-shaped left blade, a left supporting rod, a left adjusting arm, a right arc-shaped arm, a right annular arm, an L-shaped right blade, a right supporting rod, a right adjusting arm, an arc-shaped rack and an arc-shaped locking rack;
in a lateral retractor: the L-shaped upper blade and the L-shaped lower blade are mutually symmetrical, the right end of the upper supporting rod is fixedly connected with a cylinder of the L-shaped upper blade, the left end of the upper supporting rod is movably connected with the right end of the upper adjusting arm through a hinge shaft, the left end of the upper adjusting arm is movably connected with the right end of the upper supporting seat through a hinge shaft, the right end of the lower supporting rod is fixedly connected with the cylinder of the L-shaped lower blade, the left end of the lower supporting rod is movably connected with the right end of the lower adjusting arm through a hinge shaft, the left end of the lower adjusting arm is movably connected with the right end of the lower supporting seat through a hinge shaft, the upper supporting seat and the lower supporting seat are parallel and horizontally placed, a vertically placed rack is perpendicular to the upper supporting seat and the lower supporting seat, the left end of the upper supporting seat is fixed at the top end of the rack, a sliding sleeve sleeved on the outer surface of the rack is slidably connected with the rack with a sawtooth, the left end of the lower supporting seat is fixed at the top end of the sliding sleeve Locking the L-shaped upper blade and the L-shaped lower blade;
in a longitudinal retractor: the upper end of a left support rod is fixedly connected with a cylinder of an L-shaped left blade, the lower end of the left support rod is movably connected with the upper end of a left adjusting arm through a hinge shaft, the lower end of the left adjusting arm is movably connected with the upper end of a left arc-shaped arm through a hinge shaft, the upper end of a right support rod is fixedly connected with the cylinder of an L-shaped right blade, the lower end of the right support rod is movably connected with the upper end of a right adjusting arm through a hinge shaft, the lower end of the right adjusting arm is movably connected with the upper end of a right arc-shaped arm through a hinge shaft, the left arc-shaped arm is fixedly connected with the left ring-shaped arm in an integrated manner, the right arc-shaped arm is fixedly connected with the right ring-shaped arm in an integrated manner, the right end of an arc-shaped rack with sawteeth arranged at the bottom is fixed on the left side wall of the right ring-shaped arm, a rack hole penetrating through the side wall is arranged in the middle of the left ring-, the lock teeth of the arc lock teeth can be pressed against the sawteeth at the bottom of the arc rack to lock the L-shaped left blade and the L-shaped right blade.
L type upper blade, L type lower blade, L type left blade and L type right blade structure are the same, are the blade, and constitute by even drum as an organic whole, L type connecting plate and arc bent tooth piece, and the crooked direction of this arc bent tooth piece is towards centrum direction, can avoid haring vertebral artery and surrounding soft tissue, and the one end vertical fixation of drum is on the riser of L type connecting plate, and the top of top position tooth piece is fixed on the top of the diaphragm of L type connecting plate.
The arc-shaped bent tooth sheet of the L-shaped left blade is bent to the right side, and the arc-shaped bent tooth sheet of the L-shaped right blade is bent to the left side.
Compared with the prior art, the utility model have following advantage and effect:
1. the teeth of the blades are designed in an arc shape, so that the damage to vertebral arteries on two sides and surrounding tissues when the existing cervical vertebra retractor is used can be reduced, and serious operation complications are avoided;
2. the adjusting arms of the transverse retractor and the longitudinal retractor adopt foldable design, so that the supporting rod and the adjusting arm on the same side can rotate 180 degrees due to the rotation around the hinge shaft, the adjusting arm and the supporting seat on the same side can rotate 180 degrees, and the adjusting arm and the arc arm on the same side can rotate 180 degrees, thereby providing the best visual effect;
3. the connection parts of the transverse retractor, the longitudinal retractor and the blades are convenient to install and firm to fix.
Drawings
FIG. 1 is a schematic view of a lateral retractor;
FIG. 2 is a schematic view of a longitudinal retractor;
FIG. 3 is a schematic view of a blade configuration;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic view of the combined use of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A cervical vertebra anterior approach multi-joint fine-tuning retractor is characterized in that: consisting of a transverse retractor and a longitudinal retractor, wherein:
the transverse retractor consists of an L-shaped upper blade 1, an L-shaped lower blade 2, an upper supporting rod 3, an upper adjusting arm 5, an upper supporting seat 7, a lower supporting rod 4, a lower adjusting arm 6, a lower supporting seat 8, a rack 9, a knob 10, a sliding sleeve 11 and a lock tooth seat 12, and the longitudinal retractor consists of a left arc-shaped arm 13, a left annular arm 15, an L-shaped left blade 19, a left supporting rod 21, a left adjusting arm 23, a right arc-shaped arm 14, a right annular arm 16, an L-shaped right blade 20, a right supporting rod 22, a right adjusting arm 24, an arc-shaped rack 17 and an arc-shaped lock rack 18;
in a lateral retractor: the L-shaped upper blade 1 and the L-shaped lower blade 2 are mutually symmetrical, the right end of an upper supporting rod 3 is fixedly connected with a cylinder 52 of the L-shaped upper blade 1, the left end of the upper supporting rod 3 is movably connected with the right end of an upper adjusting arm 5 through a hinge shaft, the left end of the upper adjusting arm 5 is movably connected with the right end of an upper supporting seat 7 through a hinge shaft, the right end of a lower supporting rod 4 is fixedly connected with the cylinder 52 of the L-shaped lower blade 2, the left end of the lower supporting rod 4 is movably connected with the right end of a lower adjusting arm 6 through a hinge shaft, the left end of the lower adjusting arm 6 is movably connected with the right end of a lower supporting seat 8 through a hinge shaft, the upper supporting seat 7 and the lower supporting seat 8 are parallel and horizontally arranged, a vertically arranged rack 9 is vertical to the upper supporting seat 7 and the lower supporting seat 8, the left end of the upper supporting seat 7 is fixed at the top end of the rack 9, a sliding sleeve 11 sleeved on the outer surface of the, the left end of the lower supporting seat 8 is fixed at the top end of the sliding sleeve 11, and the right side wall of the sliding sleeve 11 is provided with a tooth locking seat 12 for fixing and a knob 10 for fixing the sliding sleeve 11 at the designated position of the rack 9 to lock the L-shaped upper blade 1 and the L-shaped lower blade 2;
in a longitudinal retractor: the upper end of a left support rod 21 is fixedly connected with a cylinder 52 of an L-shaped left blade 19, the lower end of the left support rod 21 is movably connected with the upper end of a left adjusting arm 23 through a hinge shaft, the lower end of the left adjusting arm 23 is movably connected with the upper end of a left arc-shaped arm 13 through a hinge shaft, the upper end of a right support rod 22 is fixedly connected with the cylinder 52 of the L-shaped right blade 20, the lower end of a right support rod 22 is movably connected with the upper end of a right adjusting arm 24 through a hinge shaft, the lower end of the right adjusting arm 24 is movably connected with the upper end of a right arc-shaped arm 14 through a hinge shaft, the left arc-shaped arm 13 is fixedly connected with a left ring-shaped arm 15 in an integrated manner, the right arc-shaped arm 14 is fixedly connected with a right ring-shaped arm 16 in an integrated manner, the right end of an arc-shaped rack 17 with sawteeth arranged at the bottom is fixed on the left side wall of the right ring-shaped arm 16, the right end of the arc-shaped locking tooth 18 with the torsion spring is movably arranged below the rack hole 25 of the left annular arm 15 through a hinge shaft, and the locking tooth 26 of the arc-shaped locking tooth 18 can be propped against the sawteeth at the bottom of the arc-shaped rack 17 to lock the L-shaped left blade 19 and the L-shaped right blade 20.
The L-shaped upper blade 1, the L-shaped lower blade 2, the L-shaped left blade 19 and the L-shaped right blade 20 are identical in structure and are blades, and each blade is composed of a cylinder 52, an L-shaped connecting plate 53 and an arc-shaped bent tooth sheet 51 which are connected into a whole, the bending direction of the arc-shaped bent tooth sheet 51 faces the direction of a vertebral body, the vertebral artery and surrounding soft tissues can be prevented from being damaged, one end of the cylinder 52 is vertically fixed on a vertical plate 54 of the L-shaped connecting plate 53, and the top end of the top tooth sheet 51 is fixed at the top end of a horizontal plate 55 of the L-shaped connecting plate 53.
The curved tooth-bending piece 53 of the L-shaped left blade 19 is curved to the right, and the curved tooth-bending piece 53 of the L-shaped right blade 20 is curved to the left.
Claims (3)
1. The utility model provides a cervical vertebra way of approach multijoint fine setting retractor which characterized in that: consisting of a transverse retractor and a longitudinal retractor, wherein:
the horizontal retractor consists of an L-shaped upper blade, an L-shaped lower blade, an upper supporting rod, an upper adjusting arm, an upper supporting seat, a lower supporting rod, a lower adjusting arm, a lower supporting seat, a rack, a knob, a sliding sleeve and a locking gear seat, and the longitudinal retractor consists of a left arc-shaped arm, a left annular arm, an L-shaped left blade, a left supporting rod, a left adjusting arm, a right arc-shaped arm, a right annular arm, an L-shaped right blade, a right supporting rod, a right adjusting arm, an arc-shaped rack and an arc-shaped locking rack;
in a lateral retractor: the L-shaped upper blade and the L-shaped lower blade are mutually symmetrical, the right end of the upper supporting rod is fixedly connected with a cylinder of the L-shaped upper blade, the left end of the upper supporting rod is movably connected with the right end of the upper adjusting arm through a hinge shaft, the left end of the upper adjusting arm is movably connected with the right end of the upper supporting seat through a hinge shaft, the right end of the lower supporting rod is fixedly connected with the cylinder of the L-shaped lower blade, the left end of the lower supporting rod is movably connected with the right end of the lower adjusting arm through a hinge shaft, the left end of the lower adjusting arm is movably connected with the right end of the lower supporting seat through a hinge shaft, the upper supporting seat and the lower supporting seat are parallel and horizontally placed, a vertically placed rack is perpendicular to the upper supporting seat and the lower supporting seat, the left end of the upper supporting seat is fixed at the top end of the rack, a sliding sleeve sleeved on the outer surface of the rack is slidably connected with the rack with a sawtooth, the left end of the lower supporting seat is fixed at the top end of the sliding sleeve Locking the L-shaped upper blade and the L-shaped lower blade;
in a longitudinal retractor: the upper end of a left support rod is fixedly connected with a cylinder of an L-shaped left blade, the lower end of the left support rod is movably connected with the upper end of a left adjusting arm through a hinge shaft, the lower end of the left adjusting arm is movably connected with the upper end of a left arc-shaped arm through a hinge shaft, the upper end of a right support rod is fixedly connected with the cylinder of an L-shaped right blade, the lower end of the right support rod is movably connected with the upper end of a right adjusting arm through a hinge shaft, the lower end of the right adjusting arm is movably connected with the upper end of a right arc-shaped arm through a hinge shaft, the left arc-shaped arm is fixedly connected with the left ring-shaped arm in an integrated manner, the right arc-shaped arm is fixedly connected with the right ring-shaped arm in an integrated manner, the right end of an arc-shaped rack with sawteeth arranged at the bottom is fixed on the left side wall of the right ring-shaped arm, a rack hole penetrating through the side wall is arranged in the middle of the left ring-, the lock teeth of the arc lock teeth can be pressed against the sawteeth at the bottom of the arc rack to lock the L-shaped left blade and the L-shaped right blade.
2. The cervical spine anterior approach multi-joint fine adjustment retraction device according to claim 1, wherein: l type upper blade, L type lower blade, L type left blade and L type right blade structure are the same, are the blade, and constitute by even drum as an organic whole, L type connecting plate and arc bent tooth piece, and the crooked direction of this arc bent tooth piece is towards centrum direction, can avoid haring vertebral artery and surrounding soft tissue, and the one end vertical fixation of drum is on the riser of L type connecting plate, and the top of top position tooth piece is fixed on the top of the diaphragm of L type connecting plate.
3. The cervical spine anterior approach multi-joint fine adjustment retraction device according to claim 2, wherein: the arc-shaped bent tooth sheet of the L-shaped left blade is bent to the right side, and the arc-shaped bent tooth sheet of the L-shaped right blade is bent to the left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026512.XU CN210697709U (en) | 2019-07-03 | 2019-07-03 | Cervical vertebra anterior approach multi-joint fine-adjustment retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026512.XU CN210697709U (en) | 2019-07-03 | 2019-07-03 | Cervical vertebra anterior approach multi-joint fine-adjustment retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210697709U true CN210697709U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921026512.XU Active CN210697709U (en) | 2019-07-03 | 2019-07-03 | Cervical vertebra anterior approach multi-joint fine-adjustment retractor |
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| Country | Link |
|---|---|
| CN (1) | CN210697709U (en) |
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2019
- 2019-07-03 CN CN201921026512.XU patent/CN210697709U/en active Active
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