CN220327478U - Support maintaining device for minimally invasive spine surgery - Google Patents

Support maintaining device for minimally invasive spine surgery Download PDF

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Publication number
CN220327478U
CN220327478U CN202320926868.9U CN202320926868U CN220327478U CN 220327478 U CN220327478 U CN 220327478U CN 202320926868 U CN202320926868 U CN 202320926868U CN 220327478 U CN220327478 U CN 220327478U
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China
Prior art keywords
support
rod
shaped handle
bar
inner cavity
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CN202320926868.9U
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Chinese (zh)
Inventor
邱海洋
雷伟
张扬
黄鑫怡
刘大铭
杨意鹏
卢昌波
戴娇娇
刘鑫
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Air Force Medical University of PLA
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Air Force Medical University of PLA
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Priority to CN202320926868.9U priority Critical patent/CN220327478U/en
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Abstract

The utility model discloses a support maintenance device for minimally invasive spine surgery, which comprises: a bar-shaped handle; the left end and the right end of the middle part of the rear side of the bar-shaped handle are respectively inserted with a brace rod; the first supporting piece is fixedly arranged at one end of the inner side of the supporting rod; the supporting and adjusting mechanism is arranged in the inner cavity of the strip-shaped handle; the side support mechanism is arranged at one side of the strip-shaped handle. This a support maintenance device for backbone minimal access surgery can control two first propping up the piece and steadily remove to both sides under the support of vaulting pole through being provided with support adjustment mechanism, easy operation to strut the incision, and can make two first propping up the piece support the incision at arbitrary width, can create sufficient operation space for the doctor under the support of vaulting pole, can support the second propping up the piece in notched one side through being provided with side stay mechanism, and can support the second propping up the piece through telescopic link and pendulum rod.

Description

Support maintaining device for minimally invasive spine surgery
Technical Field
The utility model relates to the technical field of surgical instruments, in particular to a support maintaining device for minimally invasive spinal surgery.
Background
The minimally invasive spinal surgery technique means that large incisions are avoided under certain medical risks, a micro incision or a puncture channel is adopted, special instruments and devices are used, normal anatomical structures are used for reaching lesions under the monitoring of an image instrument or the guidance of a navigation technique, various miniature manual or electric instruments and devices are used for completing the whole surgical process under the visual condition, and the aims of smaller incisions, less tissue trauma, less bleeding, high operation accuracy, definite effect and quick postoperative function recovery compared with the traditional or standard spinal surgery are fulfilled;
when supporting the minimally invasive incision, the opening support of the existing support maintaining device is complicated to adjust and fix, and the device and the incision are too close to influence a doctor to operate surgical instruments, when the incision needs to be further stretched, a medical staff is required to hold the poking piece for maintenance, the labor intensity is high, and the operation is also influenced.
Disclosure of Invention
The utility model aims to provide a support maintaining device for minimally invasive spinal surgery, which aims to solve the problems that in the prior art, the opening support of the support maintaining device is complicated to adjust and fix, the operation of a doctor on surgical instruments is influenced by the fact that the device is too close to an incision, and when the incision needs to be further stretched, a medical staff is required to hold a poking piece for maintenance, the labor intensity is high, and the operation is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a support maintenance device for minimally invasive spinal surgery, comprising:
a bar-shaped handle;
the left end and the right end of the middle part of the rear side of the bar-shaped handle are respectively inserted with a brace rod;
the first supporting piece is fixedly arranged at one end of the inner side of the supporting rod;
the supporting and adjusting mechanism is arranged in the inner cavity of the strip-shaped handle;
the side support mechanism is arranged at one side of the strip-shaped handle.
Preferably, in order to be able to support the first stay, the support adjustment mechanism includes: the first rack is spliced with the rear side of one end of the bar-shaped handle, and is fixedly connected with the front side of one of the supporting rods; the second rack is spliced with the front side of one end of the bar-shaped handle, and is fixedly connected with the front side of the other stay bar; the rotating column is rotationally connected with one side of the top end of the bar-shaped handle; one end of the rotary column extends into the inner cavity of the bar-shaped handle and is connected with a gear in a key way, and the gear is meshed with the first rack and the second rack; and the rotating handle is fixedly arranged at the top end of the rotating column.
Preferably, the support adjustment mechanism further includes: the inserting column is inserted into one side of the rotating handle; the inserting rod is inserted into one side of the rotating column, the inserting column is fixedly connected with the inserting rod, a plurality of jacks are formed in the inner cavity of the rotating column along the circumferential direction, and the inserting rod is inserted into the inner cavity of one of the jacks in an adaptive manner; the first spring is fixedly arranged between the inserting column and the inner cavity of the rotating handle.
Preferably, the plunger is pressed, so that the plunger drives the plunger to move to one side and to press the first spring, so that the plunger is separated from the inner cavity of the jack, the restriction on the plunger is released, the handle can be driven to rotate, the handle is rotated, the plunger drives the gear to rotate, the gear can be driven to move the first rack and the second rack stably under the restriction of the sliding groove and the sliding block, the first rack is enabled to move to the right side, the second rack is controlled to move to the left side, and then the support bars on two sides drive the first support piece to move to the outer side to support the notch.
Preferably, the shape of the plug is L-shaped.
Preferably, in order to be able to support the second stay, the side stay mechanism includes: the telescopic rod is spliced with one end of the rear side of the strip-shaped handle; the swing rod is rotatably arranged at the rear side of the telescopic rod; the second supporting piece is fixedly arranged on the front side of the swing rod; the limiting rod is fixedly arranged at the bottom end of the telescopic rod, and the limiting rod is in adaptive plug connection with the bar-shaped handle.
Preferably, the side support mechanism further comprises: the shell is fixedly arranged at one side of the top end of the bar-shaped handle; the deflector rod is rotatably arranged in the inner cavity of the shell; the clamping block is fixedly arranged at one side of the bottom end of the deflector rod, extends into the inner cavity of the bar-shaped handle, is provided with a plurality of clamping grooves at the top end of the outer wall of the telescopic rod, and is spliced with the inner cavity of the clamping grooves; a pressing block which is inserted into the top end of the shell and is fixedly arranged at the top end of the deflector rod; the second spring is fixedly arranged between the deflector rod and the shell.
Compared with the prior art, the utility model has the beneficial effects that: the support maintenance device for the minimally invasive spine surgery;
1. the support adjusting mechanism is arranged, so that the two first support sheets can be controlled to stably move to two sides under the support of the support rod, the operation is simple, the incision can be opened, the incision can be supported at any width by the two first support sheets, and enough operation space can be created for doctors under the support of the support rod;
2. the side support mechanism is arranged, so that the second support piece can be supported on one side of the notch, the second support piece can be supported through the telescopic rod and the swing rod, the extension length of the telescopic rod can be conveniently adjusted, the medical staff is required to manually maintain, the support is convenient, and the space is saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top cross-sectional view of the present utility model;
FIG. 3 is a front cross-sectional view of the stem of the present utility model;
fig. 4 is a right side cross-sectional view of the housing of the present utility model.
In the figure: 1. a bar-shaped handle; 2. a brace rod; 3. a first stay; 4. supporting the adjusting mechanism; 41. a first rack; 42. a second rack; 43. a rotating column; 44. a gear; 45. a rotating handle; 46. inserting a column; 47. a rod; 48. a jack; 49. a first spring; 5. a side support mechanism; 51. a telescopic rod; 52. swing rod; 53. a second stay; 54. a limit rod; 55. a housing; 56. a deflector rod; 57. a clamping block; 58. a clamping groove; 59. pressing the blocks; 510. and a second spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: a support maintenance device for minimally invasive spinal surgery, comprising: the device comprises a bar handle 1, a stay bar 2, a first stay sheet 3, a support adjusting mechanism 4 and a side stay mechanism 5;
the left and right ends of the middle part of the rear side of the bar handle 1 are respectively inserted with a supporting rod 2, a first supporting sheet 3 is fixedly arranged at one end of the inner side of the supporting rod 2, a supporting and adjusting mechanism 4 is arranged in the inner cavity of the bar handle 1, and a side supporting mechanism 5 is arranged at one side of the bar handle 1.
As a preferred solution, as shown in fig. 1 to 3, the support adjustment mechanism 4 includes: the first rack 41, the second rack 42, the rotary post 43, the gear 44, the rotary handle 45, the plug post 46, the plug rod 47, the plug hole 48 and the first spring 49;
in order to drive the support rods 2 to move, the first rack 41 is spliced with the rear side of one end of the bar handle 1, the first rack 41 is fixedly connected with the front side of one support rod 2, the second rack 42 is spliced with the front side of one end of the bar handle 1, and the second rack 42 is fixedly connected with the front side of the other support rod 2;
in order to enable the first rack 41 and the second rack 42 to move relatively, the rotary post 43 is rotatably connected to the top end side of the bar handle 1, one end of the rotary post 43 extends into the inner cavity of the bar handle 1 and is connected with a gear 44 in a key manner, the gear 44 is meshed with the first rack 41 and the second rack 42, and the rotary post 45 is fixedly arranged at the top end of the rotary post 43.
In order to limit the first rack 41 and the second rack 42, the inner cavity of the bar handle 1 is provided with a sliding groove, a sliding block is inserted in the sliding groove, the first rack 41 and the second rack 42 are fixedly connected with the sliding block so as to stably slide under the limit of the sliding groove and the sliding block,
in order to limit the rotated gear 44, the inserted post 46 is inserted into one side of the rotating handle 45, the inserted rod 47 is inserted into one side of the rotating post 43, the inserted post 46 is fixedly connected with the inserted rod 47, a plurality of insertion holes 48 are formed in the inner cavity of the rotating post 43 along the circumferential direction, and the inserted rod 47 is inserted into the inner cavity of one of the insertion holes 48 in an adapting manner;
to secure the plunger 47 within the receptacle 48, a first spring 49 is fixedly disposed between the post 46 and the interior cavity of the stem 45.
Preferably, the post 46 is "L" shaped to facilitate movement of the post 47.
Preferably, the side support mechanism 5 further includes: the telescopic rod 51, the swing rod 52, the second supporting piece 53, the limiting rod 54, the shell 55, the deflector rod 56, the clamping block 57, the clamping groove 58, the pressing block 59 and the second spring 510;
in order to rotate the second supporting piece 53, the telescopic rod 51 is spliced with one end of the rear side of the bar-shaped handle 1, the swing rod 52 is rotatably arranged on the rear side of the telescopic rod 51, the second supporting piece 53 is fixedly arranged on the front side of the swing rod 52, and the second supporting piece 53 can rotate to the centers of the two first supporting pieces 3;
in order to ensure that the telescopic rod 51 stably moves, the limiting rod 54 is fixedly arranged at the bottom end of the telescopic rod 51, and the limiting rod 54 is in fit connection with the bar-shaped handle 1.
In order to swing the clamping block 57 in the direction, the shell 55 is fixedly arranged on the top end side of the bar handle 1, the deflector rod 56 is rotatably arranged in the inner cavity of the shell 55, the clamping block 57 is fixedly arranged on the bottom end side of the deflector rod 56, and the clamping block 57 extends into the inner cavity of the bar handle 1;
in order to limit the telescopic rod 51, the top end of the outer wall of the telescopic rod 51 is provided with a plurality of clamping grooves 58, a clamping block 57 is spliced with the inner cavity of the clamping groove 58, a pressing block 59 is spliced with the top end of the shell 55, the pressing block 59 is fixedly arranged at the top end of the deflector rod 56, one side of the inner cavity of the clamping groove 58 is inclined, and the clamping block 57 is spliced with the inner cavity of the clamping groove 58 in an adaptive manner;
in order to fix the latch 57 in the latch groove 58, the second spring 510 is fixedly disposed between the lever 56 and the housing 55.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Step one: during operation, the first support piece 3 stretches into the incision, the inserting column 46 is pressed, so that the inserting column 46 drives the inserting rod 47 to move to one side and presses the first spring 49, the inserting rod 47 is separated from the inner cavity of the inserting hole 48, the restriction on the rotating column 43 is removed, the rotating handle 45 can be driven to rotate, the rotating column 45 is rotated, the rotating column 43 drives the gear 44 to rotate, the gear 44 can be driven to stably move the first rack 41 and the second rack 42 under the restriction of the sliding groove and the sliding block, the first rack 41 is driven to move to the right side, the second rack 42 is controlled to move to the left side, the supporting rods 2 on two sides drive the first support piece 3 to move to the outside to support the incision, the operation is simple, and a sufficient operation space can be created for a doctor under the support of the supporting rod 2;
step two: when side bracing is needed, the swing rod 52 is rotated, so that the swing rod 52 drives the second bracing piece 53 to rotate between the two first bracing pieces 3 and extend into the notch, the telescopic rod 51 is pulled to one side, when the telescopic rod 51 moves, the inner wall of the clamping groove 58 can push the clamping block 57 to automatically move upwards out of the inner cavity of the clamping groove 58, so that the notch is propped up to the side by the second bracing piece 53, the telescopic rod 51 is loosened, and the clamping block 57 can be inserted into the clamping groove 58 and fixed under the elastic force of the second spring 510, so that the position of the second bracing piece 53 is limited;
step three: when the telescopic rod 51 needs to be retracted, the pressing block 59 is pressed downward, so that the pressing block 59 moves downward and presses one side of the shift lever 56, and the other side of the shift lever 56 lifts the clamping block 57, thereby contacting the position limitation of the telescopic rod 51.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A support maintenance device for minimally invasive spinal surgery, comprising:
a bar-shaped handle (1);
the left end and the right end of the middle part of the rear side of the bar-shaped handle (1) are respectively inserted with the stay bars (2);
the first supporting piece (3) is fixedly arranged at one end of the inner side of the supporting rod (2);
the supporting and adjusting mechanism (4) is arranged in the inner cavity of the strip-shaped handle (1);
and the side support mechanism (5) is arranged at one side of the strip-shaped handle (1).
2. A support maintenance device for minimally invasive spinal surgery as recited in claim 1, wherein: the support adjustment mechanism (4) includes:
the first rack (41) is spliced with the rear side of one end of the bar-shaped handle (1), and the first rack (41) is fixedly connected with the front side of one of the supporting rods (2);
the second rack (42) is spliced with the front side of one end of the bar-shaped handle (1), and the second rack (42) is fixedly connected with the front side of the other stay bar (2);
a rotating column (43) rotatably connected to the top end side of the bar-shaped handle (1);
a gear (44), wherein one end of the rotary column (43) extends into the inner cavity of the bar-shaped handle (1) and is connected with the gear (44) in a key way, and the gear (44) is meshed with the first rack (41) and the second rack (42);
a rotating handle (45) fixedly arranged at the top end of the rotating column (43).
3. A support maintenance device for minimally invasive spinal surgery as recited in claim 2, wherein: the support adjustment mechanism (4) further includes:
a plug (46) which is inserted into one side of the rotary handle (45);
the inserting rod (47) is inserted into one side of the rotating column (43), the inserting column (46) is fixedly connected with the inserting rod (47), a plurality of inserting holes (48) are formed in the inner cavity of the rotating column (43) along the circumferential direction, and the inserting rod (47) is inserted into the inner cavity of one of the inserting holes (48) in an adapting mode;
and the first spring (49) is fixedly arranged between the inserting column (46) and the inner cavity of the rotating handle (45).
4. A support maintenance device for minimally invasive spinal surgery as recited in claim 3, wherein: the post (46) is "L" shaped.
5. A support maintenance device for minimally invasive spinal surgery as recited in claim 1, wherein: the side support mechanism (5) comprises:
the telescopic rod (51) is spliced with one end of the rear side of the strip-shaped handle (1);
the swing rod (52) is rotatably arranged at the rear side of the telescopic rod (51);
the second supporting piece (53) is fixedly arranged on the front side of the swing rod (52);
the limiting rod (54) is fixedly arranged at the bottom end of the telescopic rod (51), and the limiting rod (54) is in fit connection with the bar-shaped handle (1).
6. A support maintenance device for minimally invasive spinal surgery as recited in claim 5, wherein: the side support mechanism (5) further comprises:
a housing (55) fixedly arranged on one side of the top end of the bar-shaped handle (1);
the deflector rod (56) is rotatably arranged in the inner cavity of the shell (55);
the clamping block (57) is fixedly arranged at one side of the bottom end of the deflector rod (56), the clamping block (57) extends into the inner cavity of the bar-shaped handle (1), a plurality of clamping grooves (58) are formed in the top end of the outer wall of the telescopic rod (51), and the clamping block (57) is spliced with the inner cavity of the clamping groove (58);
a pressing block (59) which is inserted into the top end of the shell (55), and the pressing block (59) is fixedly arranged at the top end of the deflector rod (56);
and a second spring (510) fixedly arranged between the deflector rod (56) and the housing (55).
CN202320926868.9U 2023-04-21 2023-04-21 Support maintaining device for minimally invasive spine surgery Active CN220327478U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320926868.9U CN220327478U (en) 2023-04-21 2023-04-21 Support maintaining device for minimally invasive spine surgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320926868.9U CN220327478U (en) 2023-04-21 2023-04-21 Support maintaining device for minimally invasive spine surgery

Publications (1)

Publication Number Publication Date
CN220327478U true CN220327478U (en) 2024-01-12

Family

ID=89444907

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320926868.9U Active CN220327478U (en) 2023-04-21 2023-04-21 Support maintaining device for minimally invasive spine surgery

Country Status (1)

Country Link
CN (1) CN220327478U (en)

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