CN111658171A - Traction frame for spinal column orthopedic operation - Google Patents
Traction frame for spinal column orthopedic operation Download PDFInfo
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- CN111658171A CN111658171A CN202010493601.6A CN202010493601A CN111658171A CN 111658171 A CN111658171 A CN 111658171A CN 202010493601 A CN202010493601 A CN 202010493601A CN 111658171 A CN111658171 A CN 111658171A
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- base body
- connecting rod
- hole
- pipe
- traction frame
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 24
- 238000001356 surgical procedure Methods 0.000 claims abstract description 18
- 210000004197 pelvis Anatomy 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 11
- 210000003205 muscle Anatomy 0.000 abstract description 7
- 206010002091 Anaesthesia Diseases 0.000 abstract description 2
- 230000037005 anaesthesia Effects 0.000 abstract description 2
- 210000003489 abdominal muscle Anatomy 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 12
- 230000008602 contraction Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- 210000001015 abdomen Anatomy 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012829 orthopaedic surgery Methods 0.000 description 2
- 206010039722 scoliosis Diseases 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6408—Devices not permitting mobility, e.g. fixed to bed, with or without means for traction or reduction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6416—Devices extending alongside the bones to be positioned with non-continuous, e.g. hinged, pin-clamp connecting element
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6433—Devices extending alongside the bones to be positioned specially adapted for use on body parts other than limbs, e.g. trunk or head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
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- Veterinary Medicine (AREA)
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- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a traction frame for spinal orthopedic surgery, which comprises: a head fixing member; a pelvic end mount; the connecting rod assembly is used for connecting the head fixing piece and the pelvis end fixing piece and comprises a first side connecting rod and a second side connecting rod which are arranged at intervals; spring plate: is installed between the first side connecting rod and the second side connecting rod. The elastic sheet can effectively protect abdominal muscles relaxed after surgical anesthesia, avoid the scraping condition of the muscles and the support and ensure the safety of the surgery. The spring plate can be arranged on the traction frame through the pipe connecting piece. The pipe connecting piece can be locked in an auxiliary mode through the elastic locking piece and the locking sleeve, and the stability of the elastic piece mounting structure is guaranteed.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a traction frame for spinal orthopedic surgery.
Background
The spinal column orthopedic reduction frame is a medical surgical instrument. For a patient with large-angle scoliosis, the patient can directly carry out the correction through the operation, but the large pressure change of the vertebral body to the nucleus pulposus is easily caused, and the life safety of the patient is threatened. Therefore, it is common to perform a large angle scoliosis correction with an auxiliary reduction orthopedic device.
Under the anesthesia action during the operation of the spinal orthopedic surgery, the tissues of the abdominal skin, muscles and the like of a patient are reduced in elasticity and are in a relaxed state, and the tissues are in contact with a metal product of the spinal orthopedic reduction frame, so that scratching is easy to occur, and the operation is not facilitated.
Disclosure of Invention
Some embodiments of the present invention further provide a traction frame for spinal orthopedic surgery, which is configured with a spring plate, and the tightness of the spring plate can be adjusted, so as to assist the patient to relax muscles and assist the surgery to be performed smoothly.
In order to achieve the purpose, the invention adopts the technical scheme that:
a traction frame for spinal orthopedic surgery, comprising:
a head fixing member;
a pelvic end mount;
the connecting rod assembly is used for connecting the head fixing piece and the pelvis end fixing piece and comprises a first side connecting rod and a second side connecting rod which are arranged at intervals;
spring plate: is installed between the first side connecting rod and the second side connecting rod.
In some embodiments of the invention, the traction frame further comprises a first transfer bar and a second transfer bar;
the first end of the elastic sheet is provided with mounting holes at intervals, and the first rotating connecting rod can be connected to the first end mounting hole and connected to the first side connecting rod;
the second end of the elastic sheet is provided with mounting holes at intervals, and the second adapter rod can be connected to the second end mounting holes and connected to the second side connecting rod.
In some embodiments of the present invention, the first transfer lever and the first side connecting lever, and the second transfer lever and the second side connecting lever are connected via a pipe connection member, the pipe connection member comprising:
a first substrate: a first pipe accommodating structure is arranged along the radial direction of the first base body, a radial through groove is arranged along the direction of the axial first end surface of the first base body towards the first accommodating structure, and the through groove is communicated with the first pipe accommodating structure and the first end surface of the first base body;
a second substrate: a second tube accommodating structure is arranged along the radial direction of the second base body, a through hole is arranged along the axial direction of the second base body in the direction from the first end surface to the second accommodating structure, and the through hole is communicated with the second accommodating structure and the first end surface of the second base body;
the first end part is arranged on the first end surface side of the first base body, the first end part contracts in the radial direction relative to the first base body part to form a plug part, and the plug part can be inserted into the through hole of the second base body;
the first adapter rod and the first side connecting rod can be selectively arranged in the first pipe containing structure or the second pipe containing structure of the corresponding side pipe connecting piece, and the second adapter rod and the second side connecting rod can be selectively arranged in the first pipe containing structure or the second pipe containing structure of the corresponding side pipe connecting piece.
In some embodiments of the present invention, the insertion part includes a hole fitting part and a hole fitting part located at an end of the hole fitting part, and the hole fitting part expands radially relative to the hole fitting part to form a first clamping table;
the through hole is radially contracted relative to the second base body to form a second clamping table;
after the first base body is inserted into the second base body, the first clamping table and the second clamping table are matched and clamped.
In some embodiments of the invention, the pipe connection further comprises a plug screw; the end face of one side opposite to the first end face of the first base body is a second end face of the first base body, a plug screw hole communicated with the first pipe containing structure is formed in the second end face, and the plug screw is installed in the plug screw hole;
the end part of one side of the screw plug extending into the first pipe containing structure is a protruding structure, and the protruding structure is configured in size, so that the adapter rod or the connecting rod can be in contact with the protruding structure after being installed in the first base body.
In some embodiments of the present invention, the pipe connector further comprises an elastic locker which is insertably mounted at the through-groove with interference fit with the through-groove and the through-hole.
In some embodiments of the present invention, two end portions of the elastic locking member along the insertion direction are formed with radially protruding locking platforms, which can be respectively locked at two sides of the through hole opening.
In some embodiments of the present invention, the elastic locking member includes a first main body portion and a second main body portion that are spaced apart from each other, and the first main body portion and the second main body portion are integrally connected via an intermediate portion; the two ends of the first main body part protrude outwards to form clamping platforms, and the two ends of the second main body part protrude outwards to form clamping platforms;
wherein:
the side face of the clamping table at the insertion side, which is contacted with the through hole, inclines towards the axial outer side of the locking piece;
the axial thickness of the chuck table opposite to the insertion side is larger than that of the intermediate portion.
In some embodiments of the invention, the pipe coupling further comprises a locking sleeve; a transition section is arranged between the inserting part of the first base body and the main body part of the first base body, and the radial width of the transition section is positioned between the radial width of the inserting part and the radial width of the main body part; the end part of the second base body is radially contracted relative to the main body part of the second base body; the locking sleeve is arranged at the end positions of the transition section of the first base body and the second base body; when the lock sleeve is mounted, the end portion of the lock sleeve facing the first base body passes through the through groove and faces the first base body side port, and the end portion of the lock sleeve facing the second base body passes through the through groove and faces the second base body side port.
In some embodiments of the present invention, the inner cavity of the side of the locking sleeve facing the second substrate from the second substrate to the first substrate forms a step contraction structure, the outer periphery of the end portion of the second substrate also forms a step contraction structure, and the two contraction structures cooperate to form the clamping structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) the elastic sheet is applied to the spinal traction frame to play a role in traction, and the abdomen of a patient is pulled to relax muscles and skin during an operation, so that the smooth operation is assisted. The elasticity of the elastic sheet is adjustable, and the applicability is high.
(2) The elastic sheet and the traction frame are assembled through a pipe connecting piece. The pipe connecting piece can realize multi-angle assembly of the pipe fitting by matching the first base body and the second base body, so that the assembly flexibility of the pipe fitting is improved; simultaneously, through the supplementary locking of the structure of elasticity retaining member, lock sleeve, can improve the pipe connection spare overall fixation effect, guarantee the stability of pipe fitting equipment back structure, avoid the pipe fitting to drop, guarantee the steadiness of shell fragment installation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a spring plate structure;
FIG. 2 is an exploded view of the spring and the connecting rod
FIG. 3 is a schematic view of an assembly structure of the spring plate and the adapter rod;
FIG. 4 is a schematic structural view of a traction frame with a spring plate;
FIG. 5 is a schematic view of a first base structure of the pipe coupling;
FIG. 6 is a schematic view of a second base structure of the pipe coupling;
FIG. 7 is a cross-sectional view of a second base of the pipe coupling;
FIG. 8 is a schematic view of a screw plug structure;
FIG. 9 is a schematic view of the structure of the resilient locking member;
FIG. 10 is a schematic view of the locking sleeve structure;
FIG. 11 is a schematic view of the fitting mount assembly;
FIG. 12 is a schematic view of the fitting mount assembly;
in the above figure:
1-a first base body, 101-a pipe fitting installation hole, 102-a through groove, 103-a first end surface of the first base body, 104-an insertion part, 1041-a hole matching part, 1042-a hole matching part, 105-a first base body part, 106-a second end surface, 107-a screw hole and 108-a transition section;
2-a second base body, 201-a pipe fitting installation groove, 202-a through hole, 203-a first end surface of the second base body, 204-a main body part of the second base body, 205-an end part of the second base body, 206-a stepped contraction structure;
3-cranial bone screw;
4-plug screw, 401-bulge structure;
5-elastic locking piece, 501-first main body part, 502-second main body part, 503-middle part, 504-first side clamping table, 5041-inclined surface, 505-second side clamping table;
6-locking sleeve, 601-step contraction structure;
7-a head fixation assembly;
8-pelvic end fixation assembly;
901-first side link, 902-second side link;
10-spring plate, 1001-mounting hole;
1101-a first pipe connection, 1102-a second pipe connection;
1201-a first adapter rod, 1202-a second adapter rod;
13-fixing member.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "disposed on," "connected to" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "upper," "lower," "lateral," "longitudinal," "axial," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. The terms "first", "second" are used for descriptive purposes only and do not imply relative importance.
In some embodiments of the present invention, there is first provided a traction frame for spinal orthopaedic surgery, structurally referred to in fig. 5, for use in spinal orthopaedic surgery, comprising:
the head fixing piece 7 is annular, and skull nails 3 are arranged on the head fixing piece at intervals;
the pelvis end fixing component 8 and the pelvis end fixing component 8 form an arc-shaped covering space, and the areas of the head fixing component 7 and the pelvis end fixing component 8 cover the range from the head to the chest and abdomen;
a connecting rod assembly for connecting the head fixing piece 7 and the pelvis end fixing piece 8, which comprises a first side connecting rod 901 and a second side connecting rod 902 arranged at intervals; in addition to the first side connecting bar 901 and the second side connecting bar 902, in order to ensure a stable connection between the head mount 7 and the pelvic end mount 8, the connecting bar assembly may further include a plurality of intermediate bar assemblies 903 installed between the head mount 7 and the pelvic end mount 8;
spring plate 10: the elastic sheet 10 can be made of elastic material and can be bent, and is installed between the first side connecting rod 901 and the second side connecting rod 902.
Can select to install a plurality of shell fragments 10 according to the operation demand, during the operation, shell fragment 10 and patient's belly contact guarantee that it can effectively carry to patient's belly muscle through the installation elasticity of adjustment shell fragment 10, avoid the part contact of relaxation muscle and orthopedic frame, influence the operation and normally go on.
In some embodiments of the present invention, the traction frame further includes a first adapter rod 1201 and a second adapter rod 1202, for mounting the elastic sheet 10 to the traction frame, specifically:
the structure of the elastic sheet 10 refers to fig. 1;
a plurality of mounting holes 1001 are formed at intervals at the first end of the elastic sheet 10, and a first rotating rod 1201 can be connected to the first end mounting holes 1001 and connected to the first side connecting rod 901;
the second end of the elastic sheet 10 is provided with a plurality of mounting holes 1001 at intervals, and the second switching rod 1203 can be connected to the second end mounting holes 1001 and connected to the second side connecting rod 902.
By adjusting the corresponding positions of the adapter rods 1201 and 1202 and the mounting hole 1001, the tightness of the spring plate 10 after being mounted can be adjusted to meet the use requirements of different body types of patients. For example, for a patient with a wide size, the adapter rod can be adjustably mounted to the mounting hole on the outside.
The specific installation form of the elastic sheet and the adapter rod refers to fig. 2 and 3. Bolt grooves can be formed in the end portions of the adapter rods, bolts are adopted for the fixing pieces 13, and the fixing pieces 13 are screwed into the adapter rods after penetrating into the mounting holes 1001.
In some embodiments of the present invention, the first adapter rod 1201 and the first side connecting rod 901, and the second adapter rod 1202 and the second side connecting rod 902 are connected via a pipe connector, which can achieve stable assembly of pipe fittings and flexible adjustment of an assembling direction, and the pipe connector includes:
first substrate 1: structure referring to fig. 5, a first pipe receiving structure is radially disposed along the first base 1, and the receiving structure is used for receiving a pipe, specifically, a pipe receiving hole 101, which is sized and shaped to fit the structural design of the pipe, and of course, other types of pipe receiving structures, such as a receiving groove, may be used in addition to the receiving hole. A radial through groove 102 is arranged along an axial first end surface 103 of the first base body 1 towards the direction of the first accommodating structure, and the through groove 102 is communicated with the first pipe accommodating structure (pipe fitting installation hole 101) and the first end surface 103 of the first base body;
second substrate 2: with reference to fig. 6, a second tube accommodating structure is disposed along the radial direction of the second base body 2, the accommodating structure is used for installing a tube, specifically, a tube installing groove 201, a through hole 202 is disposed along the axial direction of the second base body 2 toward the first end surface of the second accommodating structure (the tube installing groove 201), and the through hole 202 communicates the second accommodating structure (the tube installing groove 201) with the first end surface 203 of the second base body 2; the size of the notch of the pipe fitting installation groove 201 is smaller than the radial size of the notch, a necking structure is formed, the size of the necking is smaller than that of the pipe fitting to be installed, and the pipe fitting to be installed can be prevented from falling off from the notch side;
the first end face side of the first base is a first end portion, the first end portion is radially contracted with respect to the first base body portion 105 to form a socket portion 104, and the socket portion 104 is insertable into the second base body through hole 202. The first end surface 103 of the first base member and the first end surface 103 of the second base member defined in the present invention are two surfaces facing each other, and the first base member 1 and the second base member 2 can be assembled integrally by insertion. The through groove 102 is designed such that the first end surface side of the first base 1 is divided into two parts, and the two parts are pressed along the through groove 102, and exhibit certain elasticity, which is more advantageous for realizing the insertion of the two parts. When the pipe fittings are assembled, the first pipe fitting 301 can be installed in the pipe fitting installation hole 101, the second pipe fitting 302 can be installed in the pipe fitting installation groove 201, and the first base body 1 and the second base body 2 can be rotated to adjust the assembling directions of the two pipe fittings.
For the side of the first connection rod 901, the first connection rod 901 and the first rotation rod 1201 can be selectively installed in the first accommodation structure of the first base and the second accommodation structure of the second base, so as to realize the assembly of the first connection rod 901 and the second connection rod 1201. The same connection structure as that of the first connection bar 901 may be adopted for the corresponding second connection bar 902 side. The pipe connecting piece can realize the fixed assembly of the connecting rod and the switching rod, and has adjustable angle and stable structure.
The first base body 1 and the second base body 2 are assembled together by inserting the inserting portion 104, and in order to achieve a more stable installation effect between the two, in some embodiments of the present invention, the inserting portion 104 is further designed as follows. The plug part 104 comprises a hole matching part 1041 and a port matching part 1042 positioned at the end part of the hole matching part 1041, wherein the port matching part 1042 expands radially relative to the hole matching part 1041 to form a first clamping platform; the through hole 202 radially shrinks relative to the second base body part 204 to form a second clamping table; after first base member 1 inserted second base member 2, card platform one and card platform two cooperation blocks are dead, avoid it to drop in following second base member 2, avoid the connection between connecting rod and the switching pole to drop. Of course, the hole fitting portion 1041 is in interference fit with the through hole 202, which is more favorable for stable insertion.
In some embodiments of the invention, to further secure the connecting rod and the adapter rod, the pipe connection further comprises a plug screw 4; the end face of one side opposite to the first end face 103 of the first base 1 is a second end face 106 thereof, a plug hole 107 communicated with the first pipe accommodating structure is arranged along the second end face 106 in the direction of the pipe fitting mounting hole 101, and the plug screw 4 is mounted in the plug hole 107.
The end of the plug screw 4 extending into the first tube holding structure is a protrusion 401, which is used to press the plug screw downward against the tube installed in the first base 1 for fixing, so that the protrusion 401 is configured to contact with the protrusion 401 after the tube is installed in the first base 1. Specifically, assuming that the first side connecting rod 901 is inserted into the corresponding first accommodating structure, after the screw plug 4 is inserted, the protruding structure 401 abuts against the outer wall of the first side connecting rod 901, so as to prevent the first side connecting rod 901 from falling off from the first pipe accommodating structure.
In some embodiments of the present invention, the pipe connector further comprises an elastic locking member 5 for preventing the through slot 102 of the first base 1 from rebounding and locking the connection between the first base 1 and the second base 2. The elastic locking piece 5 can be inserted into the through groove 102 and is in interference fit with the through groove 102 and the through hole 202. The function of the elastic locking element 5 is to further secure the mounting between the first base 1 and the second base 2, the shape and dimensions of which can be designed to fit the shape of the through slot 102, ensuring that it can be inserted into the through slot 102 within the limits of elasticity.
Referring to fig. 9, in some embodiments of the present invention, the elastic locking member 5 may be made of an elastic material, and the elastic locking member 5 may also be configured as follows: elastic locking member 5 is including being first main part 501 and the second main part 502 that the interval set up, connects as an organic wholely through intermediate part 503 between first main part 501 and the second main part 502, and the clearance between the two makes its elastic locking member 5 show to have elasticity, elastic locking member 5 all forms radial convex ka tai along the both ends of inserting the direction, is first side ka tai 504 and second side ka tai 505 respectively, can block respectively in the both sides in perforating hole 202 drill way, guarantees the stable connection between elastic locking member 5 and the second base member 2, avoids deviating from.
Furthermore, the first side clamping platform 504 is arranged at one side inserted along the through hole, and the side surface of the first side clamping platform contacting with the through hole inclines towards the axial outer side of the locking piece to form an inclined surface 5041, so that an elastic locking piece is arranged in the process of convenient assembly; the abutment opposite to the insertion side is located on the side of the middle part 503, and is a second side abutment 505, the axial thickness of which is greater than that of the middle part 503, and this structure is favorable for the elastic locking member 5 to generate larger deformation when being inserted, so that the assembly is convenient; and after the assembly, the locking sleeve is not easy to be separated, and the assembly reliability is ensured.
In some embodiments of the present invention, to secure the connection between the first and second substrates 1 and 2, the pipe connection further comprises a locking sleeve 6; a transition section 108 is arranged between the plug-in part 104 of the first base body 1 and the main body part 105 of the first base body 1, the radial width of the transition section 108 is between the radial width of the plug-in part 104 and the radial width of the main body part 105, and the locking sleeve 6 is arranged at the transition section 108; the end portion 205 of the second base body 2 (i.e., the position where the through hole 202 is located) is radially contracted with respect to the main body portion 104 of the second base body 2; the locking sleeve 6 is arranged at the end positions of the transition section 108 of the first base body and the second base body, so that the locking sleeve 6 can be prevented from falling off; after the locking sleeve 6 is installed, the end part of the locking sleeve facing the first base body 1 is over the through groove 202 and faces the side port of the first base body, and the end part of the locking sleeve facing the second base body 2 is over the through groove 202 and faces the side port of the second base body 2.
Furthermore, in the direction from the second substrate 2 to the first substrate 1, the inner cavity of the locking sleeve 6 on one side of the second substrate forms a stepped contraction structure, the outer periphery of the end of the second substrate 2 also forms a stepped contraction structure 206, and the two contraction structures cooperate to form a clamping structure, so that the locking sleeve 6 can be further prevented from being disengaged.
The pipe coupling is installed as follows.
Firstly, the locking sleeve 6 is sleeved at the end part of one side of the through hole 202 of the second substrate 2, then, the first substrate 1 is sleeved in the second substrate 2, and the through groove 102 structure at one end of the first substrate 1 forms an elastic clamping interface which can be used for clamping the notch of the through groove 202 in the second substrate 2. And then install elastic locking piece 5, but elastic locking piece 5 joint and the 2 inboard planes of second base member for the unable resilience of 1 elastic clamping interface of first base member. So that the locking mechanism is fastened and firm.
The operation principle of the pipe connector will be described by taking the example that the first rotating rod 1202 is inserted into the pipe mounting hole 101 of the first base body 1 and the first side connecting rod 901 is inserted into the pipe mounting groove 201 of the second base body 2: after the first transfer rod 1202 and the first side connecting rod 901 of the pipe are inserted, the plug screw 4 is screwed in, the first transfer rod 1202 is pressed, the first transfer rod 1202 extrudes the locking sleeve 6, the locking sleeve 6 moves, wherein the locking sleeve 6 and the stepped matching structure on the second base body 2 provide movement allowance for the locking sleeve 6, and the locking sleeve 6 further extrudes the first side connecting rod 901 to realize locking of the two pipe fittings. When unlocked, the first side connection bar 901 can pass through the opening of the pipe fitting installation groove 201 of the second base body 2 to freely match with the second base body 2. When the locking sleeve 6 is pressed downward, the locking sleeve 6 covers the opening of the mounting groove 201, and the opening is reduced until the first side connecting rod 901 is pressed.
The elastic sheet 10 is applied to the spinal orthopedic frame to play a role in traction, and the abdomen of a patient is pulled to relax muscles and skin during an operation to assist the smooth operation. The stable assembly between the spinal orthopedic restoration frame and the elastic sheet is realized through the pipe connecting piece, and the installation angle of the elastic sheet 10 is adjusted in an auxiliary way by adjusting the relative angle between the first base body 1 and the second base body 2. The structure is flexible, and convenience is provided for spinal column orthopedic surgery.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A traction frame for spinal orthopedic surgery, comprising:
a head fixing member;
a pelvic end mount;
the connecting rod assembly is used for connecting the head fixing piece and the pelvis end fixing piece and comprises a first side connecting rod and a second side connecting rod which are arranged at intervals;
spring plate: is installed between the first side connecting rod and the second side connecting rod.
2. The traction frame for spinal orthopedic surgery of claim 1, further comprising a first adapter rod and a second adapter rod;
the first end of the elastic sheet is provided with mounting holes at intervals, and the first rotating connecting rod can be connected to the first end mounting hole and connected to the first side connecting rod;
the second end of the elastic sheet is provided with mounting holes at intervals, and the second adapter rod can be connected to the second end mounting holes and connected to the second side connecting rod.
3. The traction frame for spinal orthopedic surgery according to claim 2, wherein the first adapter rod and the first side connecting rod, and the second adapter rod and the second side connecting rod are connected through a pipe connector, the pipe connector comprising:
a first substrate: a first pipe accommodating structure is arranged along the radial direction of the first base body, a radial through groove is arranged along the direction of the axial first end surface of the first base body towards the first accommodating structure, and the through groove is communicated with the first pipe accommodating structure and the first end surface of the first base body;
a second substrate: a second tube accommodating structure is arranged along the radial direction of the second base body, a through hole is arranged along the axial direction of the second base body in the direction from the first end surface to the second accommodating structure, and the through hole is communicated with the second accommodating structure and the first end surface of the second base body;
the first end part is arranged on the first end surface side of the first base body, the first end part contracts in the radial direction relative to the first base body part to form a plug part, and the plug part can be inserted into the through hole of the second base body;
the first adapter rod and the first side connecting rod can be selectively arranged in the first pipe containing structure or the second pipe containing structure of the corresponding side pipe connecting piece, and the second adapter rod and the second side connecting rod can be selectively arranged in the first pipe containing structure or the second pipe containing structure of the corresponding side pipe connecting piece.
4. The traction frame for spinal orthopedic surgery as claimed in claim 3, wherein said insertion part includes a hole fitting part and a mouth fitting part at an end of the hole fitting part, said mouth fitting part being radially expanded with respect to said hole fitting part to form a first catch;
the through hole is radially contracted relative to the second base body to form a second clamping table;
after the first base body is inserted into the second base body, the first clamping table and the second clamping table are matched and clamped.
5. The traction frame for spinal orthopedic surgery of claim 3 wherein the tube connector further comprises a plug screw; the end face of one side opposite to the first end face of the first base body is a second end face of the first base body, a plug screw hole communicated with the first pipe containing structure is formed in the second end face, and the plug screw is installed in the plug screw hole;
the end part of one side of the screw plug extending into the first pipe containing structure is a protruding structure, and the protruding structure is configured in size, so that the adapter rod or the connecting rod can be in contact with the protruding structure after being installed in the first base body.
6. The traction frame for spinal orthopedic surgery as claimed in claim 3, wherein the tube connecting member further comprises an elastic locker insertable at the through-groove with interference fit with the through-groove and the through-hole.
7. The traction frame for spinal orthopedic surgery as claimed in claim 6, wherein the two ends of the elastic locker in the insertion direction are formed with radially protruding locking platforms respectively locked at both sides of the through hole opening.
8. The traction frame for spinal orthopedic surgery as claimed in claim 6 or 7, wherein the elastic locking member includes a first body portion and a second body portion which are spaced apart from each other, and the first body portion and the second body portion are integrally connected via an intermediate portion; the two ends of the first main body part protrude outwards to form clamping platforms, and the two ends of the second main body part protrude outwards to form clamping platforms;
wherein:
the side face of the clamping table at the insertion side, which is contacted with the through hole, inclines towards the axial outer side of the locking piece;
the axial thickness of the chuck table opposite to the insertion side is larger than that of the intermediate portion.
9. The traction frame for spinal orthopedic surgery of claim 3 wherein the tube connector further comprises a locking sleeve; a transition section is arranged between the inserting part of the first base body and the main body part of the first base body, and the radial width of the transition section is positioned between the radial width of the inserting part and the radial width of the main body part; the end part of the second base body is radially contracted relative to the main body part of the second base body; the locking sleeve is arranged at the end positions of the transition section of the first base body and the second base body; when the lock sleeve is mounted, the end portion of the lock sleeve facing the first base body passes through the through groove and faces the first base body side port, and the end portion of the lock sleeve facing the second base body passes through the through groove and faces the second base body side port.
10. The traction frame for spinal orthopedic surgery as claimed in claim 9, wherein the inner cavity of the locking sleeve facing the second base is formed with a stepped constriction toward the first base, and the outer periphery of the end of the second base is formed with a stepped constriction, and the two constrictions cooperate to form the snap-fit structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493601.6A CN111658171A (en) | 2020-06-03 | 2020-06-03 | Traction frame for spinal column orthopedic operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493601.6A CN111658171A (en) | 2020-06-03 | 2020-06-03 | Traction frame for spinal column orthopedic operation |
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| Publication Number | Publication Date |
|---|---|
| CN111658171A true CN111658171A (en) | 2020-09-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010493601.6A Pending CN111658171A (en) | 2020-06-03 | 2020-06-03 | Traction frame for spinal column orthopedic operation |
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| Country | Link |
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| CN (1) | CN111658171A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664522A (en) * | 2021-01-07 | 2021-04-16 | 中国人民解放军西部战区总医院 | Connecting device and operation table of neurosurgery operation headstock |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098894A (en) * | 1993-07-02 | 1995-02-22 | 辛第斯股份有限公司 | Posterior spinal implant |
| US20080113853A1 (en) * | 2006-11-13 | 2008-05-15 | Suk Hwan Jang | Backbone correction exercise apparatus |
| RU124137U1 (en) * | 2012-08-01 | 2013-01-20 | Федеральное государственное бюджетное учреждение "Российский научный центр "Восстановительная травматология и ортопедия" имени академика Г.А. Илизарова" Министерства здравоохранения и социального развития Российской Федерации | SCOLIOSIS TREATMENT DEVICE |
| CN204207834U (en) * | 2014-11-20 | 2015-03-18 | 梁益建 | A kind of traction frame for the treatment of severe deformity of spine |
| CN104832510A (en) * | 2015-05-18 | 2015-08-12 | 薛征宇 | Pipe connecting device |
| CN105147375A (en) * | 2015-06-18 | 2015-12-16 | 张平 | Pelvic fracture closed reduction combination tool |
| CN107854170A (en) * | 2017-11-14 | 2018-03-30 | 山东威高骨科材料股份有限公司 | Connector and its locking mechanism |
| CN109172082A (en) * | 2018-10-09 | 2019-01-11 | 南京鼓楼医院 | A kind of scoliosis three-dimensional correction training stand |
| CN209790127U (en) * | 2019-03-01 | 2019-12-17 | 唐海军 | Wearable adjustable spinal traction brace |
-
2020
- 2020-06-03 CN CN202010493601.6A patent/CN111658171A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098894A (en) * | 1993-07-02 | 1995-02-22 | 辛第斯股份有限公司 | Posterior spinal implant |
| US20080113853A1 (en) * | 2006-11-13 | 2008-05-15 | Suk Hwan Jang | Backbone correction exercise apparatus |
| RU124137U1 (en) * | 2012-08-01 | 2013-01-20 | Федеральное государственное бюджетное учреждение "Российский научный центр "Восстановительная травматология и ортопедия" имени академика Г.А. Илизарова" Министерства здравоохранения и социального развития Российской Федерации | SCOLIOSIS TREATMENT DEVICE |
| CN204207834U (en) * | 2014-11-20 | 2015-03-18 | 梁益建 | A kind of traction frame for the treatment of severe deformity of spine |
| CN104832510A (en) * | 2015-05-18 | 2015-08-12 | 薛征宇 | Pipe connecting device |
| CN105147375A (en) * | 2015-06-18 | 2015-12-16 | 张平 | Pelvic fracture closed reduction combination tool |
| CN107854170A (en) * | 2017-11-14 | 2018-03-30 | 山东威高骨科材料股份有限公司 | Connector and its locking mechanism |
| CN109172082A (en) * | 2018-10-09 | 2019-01-11 | 南京鼓楼医院 | A kind of scoliosis three-dimensional correction training stand |
| CN209790127U (en) * | 2019-03-01 | 2019-12-17 | 唐海军 | Wearable adjustable spinal traction brace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664522A (en) * | 2021-01-07 | 2021-04-16 | 中国人民解放军西部战区总医院 | Connecting device and operation table of neurosurgery operation headstock |
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Application publication date: 20200915 |