CN106923911B - Telescopic hip joint replacement operation support - Google Patents
Telescopic hip joint replacement operation support Download PDFInfo
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- CN106923911B CN106923911B CN201710106113.3A CN201710106113A CN106923911B CN 106923911 B CN106923911 B CN 106923911B CN 201710106113 A CN201710106113 A CN 201710106113A CN 106923911 B CN106923911 B CN 106923911B
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- shaped joint
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/123—Lower body, e.g. pelvis, hip, buttocks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a telescopic hip joint replacement operation bracket, which comprises a first L-shaped joint, a second L-shaped joint, a third L-shaped joint, a fourth L-shaped joint, a gear rotating device, a rail sliding locking device and a pelvis fixing device, wherein the first L-shaped joint is connected with the first L-shaped joint through a first connecting rod; the vertical edge of the first L-shaped joint is fixed on the operating bed, and the transverse edge of the first L-shaped joint is provided with a sliding chute; the transverse edge of the second L-shaped joint is slidably arranged in the sliding groove, and a horizontal tooth-shaped rail is further arranged on the transverse edge of the second L-shaped joint; the gear rotating device and the track sliding locking device are arranged on the horizontal tooth-shaped track; the vertical edge of the third L-shaped joint is locked on the vertical edge of the second L-shaped joint in a vertically adjustable manner through a fastener; the transverse edge of the fourth L-shaped joint is locked on the transverse edge of the third L-shaped joint in a left-right adjustable mode through a fastening piece; the pelvis fixing device is locked on the vertical edge of the fourth L-shaped joint through a fastener. The invention has simple and convenient operation, effective fastening, flexible application and scalability.
Description
Technical Field
The invention relates to a medical instrument, in particular to a telescopic body position fixing support used in an orthopedic artificial hip joint replacement operation.
Background
The artificial hip joint replacement operation is a common arthroplasty operation in orthopedics, the most operation positions are lateral lying positions, and the judgment of the hip socket angle in the operation and the correct implantation of the prosthesis are maintained in a good and reliable lateral lying position relation. Properly fixing the anterior superior iliac spine is the key to obtain a stable lateral lying position, the traditional fixing support cannot be stretched and pressed forwards and backwards, wrapping cloth needs to be padded in the abdomen, the fixation is unreliable, the abdomen is obviously pressed, and the operation is time-consuming. The design of a hip joint replacement operation bracket which is reliable in fixation and simple and convenient to operate and can be compressed and pressurized is expected by many orthopedic surgeons. The invention assumes that the front and the back of the bracket can be stretched and pressurized by the sliding of the gear and the toothed track, thereby achieving the effect of properly maintaining the lateral position of the patient and avoiding the defects of the traditional bracket.
2016-03-02 discloses, chinese utility model with publication No. 205054753U discloses a hip joint operation support, cut apart pad, belly cushion including both legs, both legs are cut apart the pad, the belly cushion is by stainless steel welding formula structure as an organic whole, both legs are cut apart the inside cavity one that is equipped with of pad, the inside cavity two that is equipped with of belly cushion, cavity one and cavity two phase intercommunication, one side of cavity one is equipped with the water inlet, the one end of cavity two is equipped with the delivery port, both legs are cut apart the bottom of pad and are set up the recess, the recess is semi-circular, the ventral side of belly cushion is the arcwall face, both legs are cut apart to stack up and are equipped with disposable protective sheath, non-woven fabrics layer, sponge layer from top to bottom in proper order, the top layer of belly cushion arcwall face is equipped with sponge layer, non-woven fabrics layer, disposable support sheath from inside to outside in proper order. The utility model discloses a hip joint operation support through setting up inner chamber one and inner chamber two, pours into cold water or hot water into, makes the temperature on hip joint operation support top layer cool down or cold-proof, nevertheless because the support is whole to be fixed knot structure, does not have the regulatory function in any size, therefore the flexibility is relatively poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a telescopic hip joint replacement operation bracket which is simple and convenient to operate, effective in fastening and flexible in application, so as to overcome the defects of unreliable fixation, obvious compression on the abdomen, time-consuming operation, poor flexibility and the like of the traditional side position bracket.
The invention is realized by the following steps: a telescopic hip joint replacement operation bracket comprises a first L-shaped joint, a second L-shaped joint, a third L-shaped joint, a fourth L-shaped joint, a gear rotating device, a rail sliding locking device and a pelvis fixing device;
the vertical edge of the first L-shaped joint is fixed on the operating bed, and the transverse edge of the first L-shaped joint is provided with a sliding chute;
the transverse edge of the second L-shaped joint is slidably arranged in the sliding groove, and a horizontal tooth-shaped track is further arranged on the transverse edge of the second L-shaped joint;
the gear rotating device and the track sliding locking device are arranged on the horizontal tooth-shaped track;
the vertical edge of the third L-shaped joint is locked on the vertical edge of the second L-shaped joint in a way of being adjustable up and down through a fastener;
the transverse edge of the fourth L-shaped joint is locked on the transverse edge of the third L-shaped joint in a left-right adjustable mode through a fastening piece;
the pelvis fixing device is locked on the vertical edge of the fourth L-shaped joint through a fastener.
Furthermore, the horizontal tooth-shaped track is a hollow groove, and two sides of the hollow groove are respectively fixed with a rack; the gear rotating device comprises a manual knob and two gears meshed with each other; the manual knob is fixed on one of the gears, and the two gear shafts are connected to the sliding grooves of the first L-shaped joint and are respectively meshed with one of the racks.
Furthermore, the rail sliding locking device comprises a blocking shifting piece, a blocking nail, a fixed block and a spring, one end of the blocking shifting piece is fixed on the sliding groove of the first L-shaped joint through a rotating shaft, the other end of the blocking shifting piece is a resisting end used for clamping the rack, the blocking nail and the fixed block are both fixed on the sliding groove of the first L-shaped joint and are respectively positioned on two sides of the resisting end, a spring column is respectively arranged on the blocking shifting piece and the fixed block in an opposite direction, and two ends of the spring are respectively sleeved on and fixed to the spring column.
Furthermore, a deflector rod is arranged on the upper surface of the blocking deflector rod.
Furthermore, the pelvis fixing device comprises an arc-shaped piece and a locking screw, the concave surface of the arc-shaped piece is a soft material surface, and the middle part of the convex surface is locked and attached to the vertical edge of the fourth L-shaped joint through the locking screw.
Furthermore, the vertical edge of the first L-shaped joint is provided with a pin which is matched and fixed with the operating table in a buckling manner.
Furthermore, the vertical edge of the second L-shaped joint and the transverse edge of the fourth L-shaped joint are respectively provided with a long hole, and the fastening piece is a locking screw.
The invention has the following advantages:
1. the bracket achieves the effect of telescopic pressurization through the transmission of the gear and the toothed track, and is provided with the locking device, so that the fixing is more reliable and effective than the traditional bracket;
2. the bracket can adjust the length in multiple sections, comprises the body width of a patient and the distance between the most bulged part of the abdomen and the anterior superior iliac spine, can be flexibly applied to patients with different body types, and does not need to be padded with wrapping cloth in the abdomen, so that the abdomen can not be pressed;
3. the support is convenient to disassemble, and the support can be taken down only by stirring the blocking shifting piece.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the stent of the present invention.
Fig. 2 is a schematic structural view of a first L-shaped joint of the stent of the present invention.
Fig. 3 is a structural diagram of a second L-shaped joint of the stent of the present invention.
Fig. 4 is a schematic structural view of a gear rotating device of the bracket of the invention.
Fig. 5 is a schematic structural view of the rail sliding locking device of the bracket of the invention.
Fig. 6 is a schematic view of the use state of the stent of the present invention.
Detailed Description
As shown in fig. 1 to 6, the telescopic hip joint replacement surgery bracket of the present invention includes a first L-shaped joint 1, a second L-shaped joint 2, a third L-shaped joint 3, a fourth L-shaped joint 4, a gear rotating device 5, a track sliding locking device 6, and a pelvis fixing device 7.
The vertical side 12 of the first L-shaped joint 1 is provided with a pin 122 which is fixed in a snap fit manner with an operating table so as to be fixed on the operating table, and the transverse side 11 is provided with a sliding groove 13.
The transverse edge 21 of the second L-shaped joint 2 is arranged in the sliding groove 13 in a sliding manner, and the transverse edge 21 of the second L-shaped joint is also provided with a horizontal tooth-shaped track 23;
the gear rotating device 5 and the track sliding locking device 6 are arranged on the horizontal toothed track 23;
the vertical edge 31 of the third L-shaped joint 3 is provided with a vertical elongated hole 312, and is locked on the vertical edge 22 of the second L-shaped joint 2 through a fastener 8 in a vertically adjustable manner; the fastener 8 is a locking screw, that is, the vertical relative position of the third L-shaped joint 3 and the second L-shaped joint 2 can be realized by adjusting the position of the locking screw locked in the vertical elongated hole 312.
The transverse edge 41 of the fourth L-shaped joint 4 is provided with a transverse elongated hole 412, and is locked on the transverse edge 31 of the third L-shaped joint 3 through a fastener 8 in a left-right adjustable manner; the fastener 8 is a locking screw, that is, the position of the locking screw locked in the transverse elongated hole 412 can be adjusted to realize the transverse relative position of the third L-shaped joint 4 and the second L-shaped joint 2.
The pelvis fixing device 7 is locked on the vertical edge 42 of the fourth L-shaped joint 4 through a fastener 8. The pelvis fixing device 7 comprises an arc-shaped piece 71 and a locking screw 72, wherein the concave surface 711 of the arc-shaped piece is a soft material surface, and the middle part of the convex surface 712 is locked and attached on the vertical edge 42 of the fourth L-shaped joint 4 through the locking screw 72.
As shown in fig. 3 and 4, the horizontal toothed rail 23 is a hollow groove, and two sides of the hollow groove are respectively fixed with a rack 231; the gear rotating device 5 comprises a manual knob 51 and two gears 52 meshed with each other; the manual knob 51 is fixed on one of the gears 52, and the two gears 52 are coupled to the sliding slot 13 of the first L-shaped joint 1 and are respectively engaged with one of the racks 231. When the manual knob 51 is manually rotated, the two gears 52 are driven to rotate, and the two gears 52 are meshed with the rack 231 during rotation, so that the second L-shaped joint 2 is driven to move left and right, as shown in fig. 4, when the manual knob 51 is rotated clockwise, the second L-shaped joint 2 moves left relative to the first L-shaped joint 1, and conversely, when the manual knob 51 is rotated counterclockwise, the second L-shaped joint 2 moves right relative to the first L-shaped joint 1.
As shown in fig. 5, the rail sliding locking device 6 includes a blocking pick 61, a blocking nail 62, a fixing block 63, and a spring 64, one end of the blocking pick 61 is fixed on the sliding slot 13 of the first L-shaped joint through a rotating shaft 611, the other end is a resisting end 612 for clamping the rack, the blocking nail 62 and the fixing block 63 are both fixed on the sliding slot 13 of the first L-shaped joint 1 and located on two sides of the resisting end 612, the blocking pick 61 and the fixing block 63 are also provided with a spring post 65 in opposite directions, and two ends of the spring 64 are respectively sleeved on and fixed to a spring post 65. The upper surface of the blocking shifting sheet 61 is also provided with a shifting lever 66. Referring to fig. 1, when the second L-shaped joint 2 slides to the left, the blocking pick also moves to the left without affecting the sliding of the second L-shaped joint 2, and when the second L-shaped joint 2 slides to the right relative to the first L-shaped joint 1, the blocking nail 62 blocks the pick 61 to abut against the rack 231 of the second L-shaped joint 2, so as to achieve the effect of locking the horizontal toothed rail 23. If the second L-shaped joint 2 needs to slide to the right, the blocking poking piece 61 is poked clockwise, the gear is rotated counterclockwise, and the spring 64 can reset the blocking poking piece 61.
As shown in fig. 6, the working principle and operation of the present invention are as follows: the support of the invention is arranged at the back side of the lumbosacral part of a person, the vertical edge 12 of the first L-shaped joint 1 is inserted into the buckle 201 at the edge of the operation bed 200, the horizontal edge 11 of the first L-shaped joint 1 is adjusted to be parallel to the operation bed 200, and the horizontal edge 21 of the second L-shaped joint 2 is retracted to the shortest position. The vertical edge 32 of the third L-shaped joint 3 is lifted to the transverse edge 31 of the third L-shaped joint 3 to be approximately parallel to the anterior superior iliac spine A and then the nut is rotated for fixation. The vertical edge of the fourth L-shaped joint 4 is pushed to the anterior superior iliac spine A and approaches, the angle of the pelvis fixing device 7 is adjusted to be tightly attached to the anterior superior iliac spine A, then the pelvis fixing device 7 is fixed, and the vertical edge 42 of the fourth L-shaped joint 4 and the pelvis fixing device 7 are pushed to the anterior superior iliac spine A again to fix the sliding rails of the fourth L-shaped joint 4 and the third L-shaped joint 3. The manual knob 51 of the gear rotating device 5 is rotated clockwise to move the transverse edge 21 of the second L-shaped joint 2 towards the anterior superior iliac spine A direction, so as to achieve the function of pressing and fixing the pelvis. After the operation is finished, the blocking poking piece 61 of the gear rotating device 5 is poked clockwise, the transverse edge 21 of the second L-shaped joint 2 retreats, the buckle 201 of the operating table 200 is released, and the support is taken out.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (4)
1. A scalable hip replacement surgery support which characterized in that: comprises a first L-shaped joint, a second L-shaped joint, a third L-shaped joint, a fourth L-shaped joint, a gear rotating device, a rail sliding locking device and a pelvis fixing device;
the vertical edge of the first L-shaped joint is fixed on the operating bed, and the transverse edge of the first L-shaped joint is provided with a sliding chute;
the transverse edge of the second L-shaped joint is slidably arranged in the sliding groove, and a horizontal tooth-shaped track is further arranged on the transverse edge of the second L-shaped joint;
the gear rotating device and the track sliding locking device are arranged on the horizontal tooth-shaped track;
the vertical edge of the third L-shaped joint is locked on the vertical edge of the second L-shaped joint in a way of being adjustable up and down through a fastener;
the transverse edge of the fourth L-shaped joint is locked on the transverse edge of the third L-shaped joint in a left-right adjustable mode through a fastening piece;
the pelvis fixing device is locked on the vertical edge of the fourth L-shaped joint through a fastener;
the horizontal tooth-shaped track is a hollow groove, and two racks are respectively fixed on two sides of the hollow groove; the gear rotating device comprises a manual knob and two gears meshed with each other; the manual knob is fixed on one of the gears, and the two gear shafts are connected to the sliding groove of the first L-shaped joint and are respectively meshed with one of the racks;
the rail sliding locking device comprises a blocking shifting sheet, a blocking nail, a fixed block and a spring, wherein one end of the blocking shifting sheet is fixed on a sliding chute of the first L-shaped joint through a rotating shaft, the other end of the blocking shifting sheet is a resisting end used for clamping the rack, the blocking nail and the fixed block are both fixed on the sliding chute of the first L-shaped joint and are respectively positioned at two sides of the resisting end, the blocking shifting sheet and the fixed block are also respectively provided with a spring column in opposite directions, and two ends of the spring are respectively sleeved on and fixed with the spring column;
the pelvis fixing device comprises an arc-shaped piece and a locking screw, wherein the concave surface of the arc-shaped piece is a soft material surface, and the middle part of the convex surface is locked and attached to the vertical edge of the fourth L-shaped joint through the locking screw.
2. The retractable hip replacement surgical brace of claim 1, wherein: the upper surface of the blocking deflector plate is also provided with a deflector rod.
3. The retractable hip replacement surgical brace of claim 1, wherein: the vertical edge of the first L-shaped joint is provided with a pin which is matched and fixed with the operating table in a buckling manner.
4. The retractable hip replacement surgical brace of claim 1, wherein: the vertical edge of the second L-shaped joint and the transverse edge of the fourth L-shaped joint are respectively provided with a long hole, and the fastening piece is a locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710106113.3A CN106923911B (en) | 2017-02-27 | 2017-02-27 | Telescopic hip joint replacement operation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710106113.3A CN106923911B (en) | 2017-02-27 | 2017-02-27 | Telescopic hip joint replacement operation support |
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| Publication Number | Publication Date |
|---|---|
| CN106923911A CN106923911A (en) | 2017-07-07 |
| CN106923911B true CN106923911B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710106113.3A Active CN106923911B (en) | 2017-02-27 | 2017-02-27 | Telescopic hip joint replacement operation support |
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| Country | Link |
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| CN (1) | CN106923911B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302770Y (en) * | 1996-01-09 | 1999-01-06 | 渤海化工(集团)股份有限公司天津化工厂 | Frame of arthrodesis of hip |
| WO2005018735A3 (en) * | 2003-08-12 | 2006-12-28 | Univ Loma Linda Med | Modular patient support system |
| CN101829001A (en) * | 2010-03-12 | 2010-09-15 | 上海交通大学 | Surgical fixing holder |
| CN204446110U (en) * | 2015-01-16 | 2015-07-08 | 艾派(广州)医疗器械有限公司 | A kind of knee surgery gimbals |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6820621B2 (en) * | 2002-03-22 | 2004-11-23 | Imp Inc. | Lateral surgical positioner unit |
-
2017
- 2017-02-27 CN CN201710106113.3A patent/CN106923911B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302770Y (en) * | 1996-01-09 | 1999-01-06 | 渤海化工(集团)股份有限公司天津化工厂 | Frame of arthrodesis of hip |
| WO2005018735A3 (en) * | 2003-08-12 | 2006-12-28 | Univ Loma Linda Med | Modular patient support system |
| CN101829001A (en) * | 2010-03-12 | 2010-09-15 | 上海交通大学 | Surgical fixing holder |
| CN204446110U (en) * | 2015-01-16 | 2015-07-08 | 艾派(广州)医疗器械有限公司 | A kind of knee surgery gimbals |
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| Publication number | Publication date |
|---|---|
| CN106923911A (en) | 2017-07-07 |
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