CN114176679A - A strut mechanism for orthopedics backbone operation tissue - Google Patents
A strut mechanism for orthopedics backbone operation tissue Download PDFInfo
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- CN114176679A CN114176679A CN202111653625.4A CN202111653625A CN114176679A CN 114176679 A CN114176679 A CN 114176679A CN 202111653625 A CN202111653625 A CN 202111653625A CN 114176679 A CN114176679 A CN 114176679A
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 23
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000010333 potassium nitrate Nutrition 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000011120 plywood Substances 0.000 claims description 6
- 210000005056 cell body Anatomy 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- 238000001356 surgical procedure Methods 0.000 abstract description 12
- 230000000007 visual effect Effects 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 11
- 238000000034 method Methods 0.000 description 4
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- 206010041591 Spinal osteoarthritis Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 208000000044 Amnesia Diseases 0.000 description 1
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- 208000026139 Memory disease Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 206010067171 Regurgitation Diseases 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 208000012886 Vertigo Diseases 0.000 description 1
- 206010047513 Vision blurred Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
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- 231100000869 headache Toxicity 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
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- 230000006984 memory degeneration Effects 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 210000001032 spinal nerve Anatomy 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/025—Joint distractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/0206—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors with antagonistic arms as supports for retractor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/025—Joint distractors
- A61B2017/0256—Joint distractors for the spine
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- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a distraction mechanism for orthopedic spinal surgery tissues, which comprises an installation base. According to the invention, through the arrangement of the connecting transverse plate, the guide round rod, the guide sleeve, the adjusting round rod, the adjusting sleeve, the limiting groove, the nitre bolt, the positioning base, the positioning threaded rod, the positioning abutting plate, the handle and the anti-skid bump, in practical use, the device is positioned at a proper position through the positioning base, the height of the device is properly adjusted by using the adjusting round rod and the adjusting sleeve, at the moment, the first opening arm is driven to open the knife edge at the spine through rotating the screw rod body, then, the exposed spine can be operated, the knife edge at the spine can be kept in an open state for a long time through the arrangement of the structure, no looseness occurs, the visual field of the operation after opening is very good, no special operation is needed, one operator can operate the spine at the position of the opening the knife edge, the operation is simplified, and the stability is improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a distraction mechanism for orthopedic spinal surgery tissues.
Background
The spinal diseases are that sclerotin, intervertebral disc, ligament and muscle of the spine are diseased, and then the spinal cord, spinal nerves, blood vessels and vegetative nerves are pressed and pulled to stimulate, thereby causing complex and various symptoms. The common diseases include cervical spondylosis and lumbar spondylosis. The main symptoms are: failure to stand upright, headache, vertigo, blurred vision, memory loss, soreness of the neck and shoulders, poor appetite, regurgitation, vomiting, weakness of lower limbs, and paralysis in severe cases.
When the operation is clinically used for treatment in the prior art, the skin of a patient needs to be cut open to expose the spine, then another doctor or nurse needs to assist in opening a certain incision, so that the doctor can conveniently perform the operation, and the spine operation time is several hours, so that the operation time is long, the opened incision needs to be kept for a long time in one posture, and the fatigue feeling is very easy to generate. Application number is CN201910651122.X discloses an opening mechanism for orthopedics backbone surgery tissue, including first extension board, the second extension board, conveyer pipe and screw push rod, the both ends of first extension board articulate there is the support arm, the both ends of second extension board articulate there is the push-pull rod, the articulated front end of installing in the logical groove of bar is led to the other end of push-pull rod, install the arm that opens the front end of opening the pole, open and seted up the through-hole on the arm bottom, and the bottom still is provided with the even spaced ring body of a plurality of groups, the free end of conveyer pipe exposes, the other end runs through the front end of support arm, and stretch into the bottom through-hole department in the arm that opens from adjusting in the pole. According to the invention, the incision at the spine can be kept in the opened state for a long time only by one integrated instrument without loosening, the operation visual field is good after opening, special operation is not needed, an operator can operate by one person, the effusion in the incision can be effectively sucked in real time, the operation is simplified, and the safety is improved.
Although the problem that manual distraction is difficult to keep the distracted incision in a posture for a long time is solved, in actual use, the device directly puts the distracted incision on the body of a patient after supporting the distracted incision is finished, so that a stable supporting and placing structure is not provided, the distracted incision is not stably supported in the operation process due to the fact that the distracted incision is touched and shaken, and the risk of operation failure is aggravated.
Based on the above, it is necessary to design a distraction mechanism for orthopedic spinal surgery tissues to solve the above problems.
Disclosure of Invention
The invention aims to provide a distraction mechanism for orthopedic spinal surgery tissues, which solves the problems that the existing distraction mechanism for orthopedic spinal surgery tissues in the background art solves the problem that the distraction is difficult to keep the distraction incision in a posture for a long time by manual distraction, but in practical use, the existing distraction mechanism for orthopedic spinal surgery tissues directly puts the distraction mechanism on the body of a patient after the distraction incision is supported, so that the existing distraction mechanism does not have a stable support and placement structure, further the distraction incision is not stably supported under the conditions of touch and shake in the surgery process, and the risk of surgery failure is increased.
In order to achieve the purpose, the invention provides the following technical scheme: a distraction mechanism for orthopedic spinal surgery tissues comprises an installation base, wherein two sides of the installation base are both connected with first distraction arms through articulated shafts in a hinged mode, the back of the installation base is provided with a connection disc, the back of the connection disc is connected with a connection rod distraction connection rod through the articulated shafts in a hinged mode, the distraction connection rods are both connected with the first distraction arms through the articulated shafts in a hinged mode respectively, the front of the installation base is provided with a lead screw body through thread grooves and threads, the lead screw body is connected with the connection disc through bearings, and the front of the lead screw body is fixedly provided with a rotating disc;
the device comprises a mounting base, a supporting and placing mechanism, a guide round bar, a guide sleeve, an adjusting round bar, a saltpeter bolt and a saltpeter bolt, wherein the supporting and placing mechanism is arranged at the bottom end of the mounting base and comprises a connecting transverse plate, the connecting transverse plate is fixedly mounted at the bottom end of the mounting base, the bottom end of the connecting transverse plate is fixedly provided with the guide round bar, the outer surface of the guide round bar is movably sleeved with the guide sleeve, the bottom end of the connecting transverse plate is fixedly provided with the adjusting round bar, the outer surface of the adjusting round bar is movably sleeved with the adjusting sleeve, one side of the adjusting round bar is uniformly provided with a limiting groove, one side of the adjusting sleeve is inserted and mounted with the saltpeter bolt through a through groove, and the saltpeter bolt extends to the inside of the limiting groove;
the utility model discloses a plywood, including the plywood, the location base, location base fixed mounting is in adjusting sleeve and guide sleeve's bottom respectively, location threaded rod is all installed through the thread groove screw in the bottom of location base, location threaded rod's top all is connected with the location through the bearing and supports the plywood, the location supports the all fixed mounting in top of plywood has skid proof block, and skid proof block goes up and has all evenly seted up anti-skidding line, the all fixed mounting in bottom of location threaded rod has the handle.
Preferably, the inside of mounting base has seted up block location chamber, the block threaded rod is all installed through the thread groove screw thread in the both sides of mounting base, the one side that the block threaded rod is close to each other all is connected with the location arc cover through the bearing, the equal fixed mounting in one side that the block threaded rod was kept away from each other has the handle.
Preferably, the guide way body has all been seted up to the both sides of mounting base, the inside of guide way body is all movable insertion to install the guide bar, and the one side that the guide bar is close to each other all respectively with location arc cover fixed connection.
Preferably, installation chamber groove has all been seted up to the inside of first arm of strutting, the sliding mounting groove has all been seted up to the inside one side of keeping away from each other of installation chamber inslot, the inside all slidable mounting of sliding mounting groove has the slidable mounting piece, the equal fixed mounting in one side that the slidable mounting piece is close to each other has the square connecting strip, the equal fixed mounting in one side that the square connecting strip is close to each other has the tooth piece, the one end all fixedly connected with second of square connecting strip struts the arm, the inside in installation chamber groove all rotates through the bearing and installs drive gear, and drive gear all respectively with tooth piece intermeshing, the equal fixed mounting in drive gear's top has the dwang, and the dwang all extends to the top of first arm of strutting through leading to the groove outside, the top of dwang all is provided with the rotation knob.
Preferably, first arm and the second of strutting all fixed mounting have a set of installing support on the arm, and the quantity of every installing support of group all is three, every group the equal fixed mounting in bottom of installing support has supplementary round bar, all even fixed mounting has the tourus on the supplementary round bar.
Preferably, the first distraction arms are all provided with scale marks.
Preferably, the arc-shaped anti-slip mat is fixedly mounted on one side, close to each other, of the positioning arc-shaped cover, and the arc-shaped anti-slip mat is made of rubber.
Preferably, all fixed mounting on the top of dwang has tensile sleeve, tensile sleeve's inside all is provided with tensile connecting block, and tensile connecting block's top all with rotate knob fixed connection, the all fixed mounting in bottom of tensile connecting block has the reset spring pole, sliding guide has all been seted up to the inside both sides of tensile sleeve, sliding guide's inside all slidable mounting has sliding guide, and sliding guide one side that each other is close to all with tensile connecting block fixed connection, a set of location cell body has all evenly been seted up on the top of first arm of strutting, and every group the shape that the location cell body is constituteed all is the ring form, the all fixed mounting in bottom of rotation knob has the insertion locating lever, and inserts the locating lever and all inserts to the inside of location cell body.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with the connection diaphragm, the direction round bar, guide sleeve, adjust the round bar, adjusting sleeve, the spacing groove, nitre bolt, the positioning base, positioning threaded rod, the board is supported in the location, handle and anti-skidding lug, in the in-service use, through the positioning base with this device location in suitable position, utilize adjusting round bar and adjusting sleeve to be fit with this device altitude mixture control, drive first arm of strutting through rotating the lead screw body this moment and strut the edge of a knife of backbone department, then can operate to the backbone of exposing, can keep the state of strutting to the edge of a knife of backbone department for a long time through the setting of above-mentioned structure, do not take place to become flexible, it is fine to strut the back operation field of vision, need not to be equipped with special person's operation, operation doctor one-man operation, can be in the backbone department of strutting the edge of a knife, the operation has been simplified, stability has been promoted, thereby effectual the current distraction mechanism that is used for the spinal surgery tissue of orthopedics department of orthopedics has solved and has strutted to keep being difficult to keeping to the manual work The problem that the propped incision is kept for a long time in one posture is solved, but in practical use, the propped incision is directly placed on the body of a patient after being supported, so that a stable supporting and placing structure is not provided, the situations of touch and shaking exist in the operation process, the propped incision is not stable, and the risk of operation failure is aggravated.
2. Through being provided with installation cavity groove, connect the square strip, the tooth piece, the arm is opened to the second, drive gear, the slidable mounting piece, the slidable mounting groove, dwang and rotation knob, in the in-service use, setting through this structure, can be every patient's health condition different, the difference of skin length on the edge of a knife, adjust the length of opening the arm, thereby reach the best position of strutting, further be provided with supplementary round bar through, installing support and tourus, in the in-service use, setting through this structure, can prop when opening the arm state of opening, do not harm skin, patient's pain and uncomfortable sense have greatly been reduced.
Drawings
FIG. 1 is a schematic, elevational, partial cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic top view partially in section of a first distracting arm structure according to the present invention;
FIG. 3 is a schematic top view of a first distracting arm structure according to the present invention;
FIG. 4 is a top view partially in section of a second distracting arm structure according to the present invention;
FIG. 5 is a side view of a first distracting arm structure according to the present invention;
FIG. 6 is a schematic front view, partially in section, of a positioning base structure according to the present invention;
FIG. 7 is a schematic elevational view, partially in section, of a stretch sleeve construction of the present invention;
FIG. 8 is a front view partially in section of a positioning arc-shaped cover structure of the present invention.
In the figure: 100. mounting a base; 110. a first spreader arm; 111. connecting the disks; 112. the connecting rod is propped open; 113. a screw rod body; 114. rotating the disc; 115. clamping the positioning cavity; 116. clamping the threaded rod; 117. positioning the arc-shaped cover; 118. an arc-shaped anti-skid pad; 119. a handle; 120. a guide groove body; 121. a guide bar; 122. installing a cavity groove; 123. connecting the square bars; 124. a tooth block; 125. a second spreader arm; 126. a transmission gear; 127. a sliding mounting block; 128. a sliding mounting groove; 129. mounting a bracket; 130. an auxiliary round bar; 131. a torus; 132. rotating the rod; 133. rotating the knob; 134. stretching the sleeve; 135. stretching the connecting block; 136. a return spring lever; 137. a sliding guide groove; 138. a sliding guide block; 139. inserting a positioning rod; 140. a positioning groove body; 141. scale lines; 200. a supporting and placing mechanism; 210. connecting the transverse plates; 211. a guide round bar; 212. a guide sleeve; 213. adjusting the round bar; 214. an adjustment sleeve; 215. a limiting groove; 216. nitre suppository; 217. a positioning base; 218. positioning a threaded rod; 219. positioning the abutting plate; 220. a handle; 221. and an anti-slip bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention:
a distraction mechanism for orthopedic spinal surgery tissues comprises an installation base 100, all electrical appliances used in the application are products which can be directly purchased in the market, the principle and the connection mode of the distraction mechanism are the prior art well known to those skilled in the art, and therefore description is not repeated herein, two sides of the installation base 100 are both connected with a first distraction arm 110 through hinged shafts, the back of the installation base 100 is provided with a connection disc 111, the back of the connection disc 111 is connected with a connection rod distraction connection rod 112 through hinged shafts, the distraction connection rod 112 is respectively hinged with the first distraction arm 110 through hinged shafts, the front of the installation base 100 is provided with a lead screw body 113 through thread grooves and threads, the lead screw body 113 is connected with the connection disc 111 through bearings, and the front of the lead screw body 113 is fixedly provided with a rotating disc 114;
the supporting and placing mechanism 200 is arranged at the bottom end of the mounting base 100, the supporting and placing mechanism 200 comprises a connecting transverse plate 210, the connecting transverse plate 210 is fixedly mounted at the bottom end of the mounting base 100, a guide round rod 211 is fixedly mounted at the bottom end of the connecting transverse plate 210, a guide sleeve 212 is movably sleeved on the outer surface of the guide round rod 211, an adjusting round rod 213 is fixedly mounted at the bottom end of the connecting transverse plate 210, an adjusting sleeve 214 is movably sleeved on the outer surface of the adjusting round rod 213, a limit groove 215 is uniformly formed in one side of the adjusting round rod 213, a saltpeter plug 216 is inserted and mounted in one side of the adjusting sleeve 214 through a through groove, and the saltpeter plug 216 extends into the limit groove 215;
a positioning base 217, the positioning base 217 is fixedly installed at the bottom of the adjusting sleeve 214 and the guiding sleeve 212 respectively, the bottom of the positioning base 217 is provided with a positioning threaded rod 218 through a thread groove, the top end of the positioning threaded rod 218 is connected with a positioning abutting plate 219 through a bearing, the top end of the positioning abutting plate 219 is fixedly provided with an anti-slip bump 221, the anti-slip bump 221 is uniformly provided with anti-slip threads, the bottom end of the positioning threaded rod 218 is fixedly provided with a handle 220, in practical use, the device is positioned at a proper position through the positioning base 217, the height of the device is properly adjusted by using the adjusting round rod 213 and the adjusting sleeve 214, at the moment, the first distraction arm 110 is driven to distract the knife edge of the spine by rotating the screw rod body 113, then, the exposed spine can be operated, and the long-time distraction state of the knife edge of the spine can be kept through the arrangement of the structure, the utility model has the advantages of not taking place to become flexible, it is fine to strut the back operation field of vision, need not to be equipped with the special messenger and operate, operation doctor one man operation, can operate it in the backbone department of strutting the edge of a knife, the operation is simplified, the stability is promoted, thereby the effectual current opening mechanism that struts that is used for orthopedics backbone operation tissue of having solved artifical and strut and be difficult to keep keeping the problem of keeping for a long time with a posture to the edge of a knife that struts, in the in-service use, it is after accomplishing the support to strutting the edge of a knife, directly put it on the health of disease, thereby do not have a stable support and put the structure, and then there is the condition of touching, rocking in the operation process, all can make to strut the edge of a knife and support unstably, and the problem of the risk of operation failure aggravation.
The inside of mounting base 100 has been seted up block location chamber 115, and block threaded rod 116 is all installed through the thread groove screw thread in mounting base 100's both sides, and one side that block threaded rod 116 is close to each other all is connected with location arc cover 117 through the bearing, and the equal fixed mounting in one side that block threaded rod 116 kept away from each other has handle 119, and in the in-service use, through the setting of this structure, can effectually avoid lead screw body 113 to take place the antiport condition.
The first distraction arm 110 is internally provided with an installation cavity groove 122, one side of the installation cavity groove 122, which is far away from each other, is provided with a sliding installation groove 128, the inside of the sliding installation groove 128 is provided with a sliding installation block 127, one side of the sliding installation block 127, which is close to each other, is fixedly provided with a connection square bar 123, one side of the connection square bar 123, which is close to each other, is uniformly and fixedly provided with a tooth block 124, one end of the connection square bar 123 is fixedly connected with a second distraction arm 125, the inside of the installation cavity groove 122 is provided with a transmission gear 126 through a bearing in a rotating way, the transmission gear 126 is respectively meshed with the tooth block 124, the top end of the transmission gear 126 is fixedly provided with a rotating rod 132, the rotating rod 132 extends to the outside of the top end of the first distraction arm 110 through a through groove, the top end of the rotating rod 132 is provided with a rotating knob 133, and in actual use, the structure can lead the body condition of each patient to be different, the length of the opening arm is adjusted according to the length of the skin on the knife edge, so that the optimal opening position is achieved.
All fixed mounting has a set of installing support 129 on first arm 110 and the second arm 125 of strutting, and the quantity of every group installing support 129 all is three, and the bottom of every group installing support 129 all fixed mounting has supplementary round bar 130, all even fixed mounting has tourus 131 on the supplementary round bar 130, and in the in-service use, through the setting of this structure, can strut the arm and strut the state, do not harm skin, greatly reduced patient's pain and uncomfortable and feel.
All be provided with scale mark 141 on the first arm 110 that struts, in the in-service use, through the setting of this structure for the length of staff's convenient measurement edge of a knife has improved the multifunctionality of this device.
The arc-shaped anti-slip mat 118 is fixedly mounted on one side, close to each other, of the positioning arc-shaped cover 117, the arc-shaped anti-slip mat 118 is made of rubber, and in actual use, the structure can play an anti-slip role.
The top end of the rotating rod 132 is fixedly provided with a stretching sleeve 134, the stretching sleeve 134 is internally provided with stretching connecting blocks 135, the top ends of the stretching connecting blocks 135 are fixedly connected with a rotating knob 133, the bottom ends of the stretching connecting blocks 135 are fixedly provided with reset spring rods 136, the two sides inside the stretching sleeve 134 are provided with sliding guide grooves 137, the sliding guide grooves 137 are internally provided with sliding guide blocks 138, one sides of the sliding guide blocks 138 close to each other are fixedly connected with the stretching connecting blocks 135, the top end of the first opening arm 110 is uniformly provided with a group of positioning groove bodies 140, each group of positioning groove bodies 140 is in a circular ring shape, the bottom end of the rotating knob 133 is fixedly provided with an inserting positioning rod 139, and the inserting positioning rods 139 are inserted into the positioning groove bodies 140, in actual use, the gear 126 can be limited by the arrangement of the structure, preventing the phenomenon of reverse rotation.
The working principle is as follows: in practical use, a worker can position the device at a proper position through the positioning base 217, after the worker positions the device at the proper position through the positioning base 217, a supervisor can adjust the device to a proper height through the adjusting sleeve 214 and the adjusting round rod 213, after the worker adjusts the device to the proper height through the adjusting sleeve 214 and the adjusting round rod 213, the worker can drive the screw rod body 113 to rotate clockwise through the rotating disc 114, after the worker drives the screw rod body 113 to rotate clockwise through the rotating disc 114, the connecting disc 111 can push the first opening arm 110 to open through the opening connecting rod 112, in practical use, the worker can drive the screw rod body 113 to rotate counterclockwise through the rotating disc 114, after the worker drives the screw rod body 113 to rotate counterclockwise through the rotating disc 114, at this time, the connecting disc 111 pulls the first distraction arm 110 to contract through the distraction connecting rod 112, and when the incision at the spine is completely distracted, the operator can perform an operation on the exposed spine.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A distraction mechanism for orthopedic spinal surgical tissue, comprising:
the mounting structure comprises a mounting base (100), wherein two sides of the mounting base (100) are both connected with first distraction arms (110) through hinged shafts in a hinged mode, a connecting disc (111) is arranged on the back face of the mounting base (100), the back face of the connecting disc (111) is connected with a connecting rod distraction connecting rod (112) through hinged shafts in a hinged mode, the distraction connecting rod (112) is respectively connected with the first distraction arms (110) through hinged shafts in a hinged mode, a lead screw body (113) is installed on the front face of the mounting base (100) through thread grooves and threads, the lead screw body (113) is connected with the connecting disc (111) through bearings, and a rotating disc (114) is fixedly installed on the front face of the lead screw body (113);
the supporting and placing mechanism (200) is arranged at the bottom end of the mounting base (100), the supporting and placing mechanism (200) comprises a connecting transverse plate (210), the connecting transverse plate (210) is fixedly mounted at the bottom end of the mounting base (100), a guide round rod (211) is fixedly mounted at the bottom end of the connecting transverse plate (210), a guide sleeve (212) is movably sleeved on the outer surface of the guide round rod (211), an adjusting round rod (213) is fixedly mounted at the bottom end of the connecting transverse plate (210), an adjusting sleeve (214) is movably sleeved on the outer surface of the adjusting round rod (213), a limiting groove (215) is uniformly formed in one side of the adjusting round rod (213), a saltpeter plug (216) is inserted and mounted in one side of the adjusting sleeve (214) through a through groove, and the saltpeter plug (216) extends to the inside of the limiting groove (215);
location base (217), location base (217) is fixed mounting in the bottom of adjusting sleeve (214) and guide sleeve (212) respectively, location threaded rod (218) are all installed through the thread groove screw in the bottom of location base (217), the top of location threaded rod (218) all is connected with location through the bearing and supports plywood (219), the location supports the all fixed mounting in top of plywood (219) has skid proof block (221), and all evenly seted up anti-skidding line on skid proof block (221), the all fixed mounting in bottom of location threaded rod (218) has handle (220).
2. A distraction mechanism for orthopedic spinal surgical tissue according to claim 1, wherein: the clamping positioning cavity (115) is formed in the mounting base (100), clamping threaded rods (116) are mounted on the two sides of the mounting base (100) through thread grooves and threads, one side, close to each other, of each clamping threaded rod (116) is connected with a positioning arc cover (117) through a bearing, and handles (119) are fixedly mounted on one sides, far away from each other, of the clamping threaded rods (116).
3. A distraction mechanism for orthopedic spinal surgical tissue according to claim 2, wherein: guide way body (120) have all been seted up to the both sides of mounting base (100), guide bar (121) are all installed in the activity of the inside of guide way body (120) insertion, and guide bar (121) one side that is close to each other all respectively with location arc cover (117) fixed connection.
4. A distraction mechanism for orthopedic spinal surgical tissue according to claim 1, wherein: installation cavity groove (122) have all been seted up to the inside of first arm (110) of strutting, sliding mounting groove (128) have all been seted up to the inside one side of keeping away from each other of installation cavity groove (122), sliding mounting piece (127) are all had sliding mounting piece (127) to the inside of sliding mounting groove (128), the equal fixed mounting in one side that sliding mounting piece (127) are close to each other has connection square strip (123), the equal even fixed mounting in one side that connection square strip (123) are close to each other has tooth piece (124), the equal fixed connection in one end of connecting square strip (123) has second arm (125) of strutting, transmission gear (126) are all installed through the bearing rotation in the inside of installation cavity groove (122), and transmission gear (126) all respectively with tooth piece (124) intermeshing, the equal fixed mounting in top of transmission gear (126) has dwang (132), and dwang (132) all extend to the top of first arm (110) of strutting through leading to logical groove outside, the top end of the rotating rod (132) is provided with a rotating knob (133).
5. A distraction mechanism for orthopedic spinal surgical tissue according to claim 1, wherein: first prop open arm (110) and second and prop and open arm (125) and go up all fixed mounting have a set of installing support (129), and the quantity of every group installing support (129) all is three, every group the bottom of installing support (129) all fixed mounting have supplementary round bar (130), all even fixed mounting has tourus body (131) on supplementary round bar (130).
6. A distraction mechanism for orthopedic spinal surgical tissue according to claim 1, wherein: the first stretching arms (110) are all provided with scale marks (141).
7. A distraction mechanism for orthopedic spinal surgical tissue according to claim 2, wherein: one side of the positioning arc-shaped cover (117) close to each other is fixedly provided with an arc-shaped non-slip pad (118), and the arc-shaped non-slip pad (118) is made of rubber.
8. A distraction mechanism for orthopedic spinal surgical tissue according to claim 4, wherein: the utility model discloses a positioning device, including dwang (132), tensile sleeve (134) all fixed mounting on the top of dwang (132), the inside of tensile sleeve (134) all is provided with tensile connecting block (135), and the top of tensile connecting block (135) all with rotate knob (133) fixed connection, the bottom of tensile connecting block (135) all fixed mounting have reset spring pole (136), sliding guide groove (137) have all been seted up to the both sides inside tensile sleeve (134), sliding guide groove (137) all slidable mounting has sliding guide piece (138) inside, and sliding guide piece (138) one side that is close to each other all with tensile connecting block (135) fixed connection, a set of location cell body (140) have all evenly been seted up on the top of first arm of strutting (110), and every group the shape that location (140) are constituteed all is the ring form, the bottom of rotating knob (133) all fixed mounting insert locating lever (139), and the insertion positioning rod (139) is inserted into the positioning groove body (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653625.4A CN114176679A (en) | 2021-12-30 | 2021-12-30 | A strut mechanism for orthopedics backbone operation tissue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653625.4A CN114176679A (en) | 2021-12-30 | 2021-12-30 | A strut mechanism for orthopedics backbone operation tissue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114176679A true CN114176679A (en) | 2022-03-15 |
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ID=80606469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111653625.4A Withdrawn CN114176679A (en) | 2021-12-30 | 2021-12-30 | A strut mechanism for orthopedics backbone operation tissue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114176679A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117598769A (en) * | 2023-12-07 | 2024-02-27 | 中国人民解放军空军军医大学 | Intervertebral space expansion device that avoids damage to vertebral endplates |
| CN119792752A (en) * | 2025-01-21 | 2025-04-11 | 中国人民解放军总医院第八医学中心 | Tracheal intubation device for respiratory medicine |
-
2021
- 2021-12-30 CN CN202111653625.4A patent/CN114176679A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117598769A (en) * | 2023-12-07 | 2024-02-27 | 中国人民解放军空军军医大学 | Intervertebral space expansion device that avoids damage to vertebral endplates |
| CN119792752A (en) * | 2025-01-21 | 2025-04-11 | 中国人民解放军总医院第八医学中心 | Tracheal intubation device for respiratory medicine |
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