CN111436982B - Artificial hip joint replacement retracting exposure positioner - Google Patents

Artificial hip joint replacement retracting exposure positioner Download PDF

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Publication number
CN111436982B
CN111436982B CN202010255757.0A CN202010255757A CN111436982B CN 111436982 B CN111436982 B CN 111436982B CN 202010255757 A CN202010255757 A CN 202010255757A CN 111436982 B CN111436982 B CN 111436982B
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plate
base
block
connecting block
inner cavity
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CN111436982A (en
Inventor
徐浩
李海燕
王英振
张海宁
王昌耀
张子安
项帅
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Affiliated Hospital of University of Qingdao
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Affiliated Hospital of University of Qingdao
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; 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, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
    • 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
    • A61B90/08—Accessories or related features not otherwise provided for
    • 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
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/025—Joint distractors
    • A61B2017/0275—Joint distractors for the hip
    • 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
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0807—Indication means

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses an artificial hip joint replacement retraction exposure positioner which comprises a supporting plate, an adjusting mechanism, a top plate, a base, a positioning mechanism and a medical lamp, wherein the adjusting mechanism can be assembled on one side of the supporting plate, the top plate can be fixedly installed at the top end of the inner side of the supporting plate, the base can be installed at the bottom end of the top plate through a bearing, an inner ring of the bearing is in interference fit with the top plate, an outer ring of the bearing is fixedly connected with the top end of the base, the positioning mechanism can be assembled on one side of the base, and the medical lamp can be installed on one side of the top plate. The invention not only can accurately position the position of the incision and the length of the incision, but also can adjust the position of the incised skin soft tissue according to the use requirement, thereby greatly reducing the difficulty of the operation, having flexible use and strong practicability and meeting the use requirement on the existing market.

Description

Artificial hip joint replacement retracting exposure positioner
Technical Field
The invention relates to the technical field of medical instruments, in particular to an artificial hip joint replacement retraction exposure positioner.
Background
The hip joint is composed of a femoral head and an acetabulum, belongs to a ball-and-socket joint, is a typical rod-and-socket joint, and is one of the most important and effective operations for treating end-stage diseases such as femoral head necrosis, hip joint dysplasia, degenerative hip osteoarthritis, rheumatoid arthritis and the like by artificial hip joint replacement.
At present, when a hip joint replacement operation is carried out on a patient by medical staff, the operation position of the patient needs to be positioned before the operation, but most of the existing modes are only dependent on the operation experience of the medical staff to determine the position and the opening length of an incision, so that the accurate positioning cannot be carried out, and in the operation process, the position of the incised skin soft tissue cannot be adjusted according to the use requirement, so that a plurality of unnecessary troubles are brought to the medical staff, the operation difficulty is increased, and therefore, based on the defects, the artificial hip joint replacement retracting exposing positioner is provided for improving the operation position.
Disclosure of Invention
The invention aims to provide an artificial hip joint replacement, retraction and exposure positioner, which can solve the technical problems that the position and the opening length of a surgical knife cannot be accurately positioned and the position of cut skin soft tissue cannot be adjusted according to the use requirement in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an artificial hip joint replacement retracting and exposing positioner comprises
A support plate;
an adjusting mechanism which can be assembled on one side of the supporting plate;
the top plate can be fixedly arranged at the top end of the inner side of the supporting plate;
the base can be installed at the bottom end of the top plate through a bearing, an inner ring of the bearing is in interference fit with the top plate, and an outer ring of the bearing is fixedly connected with the top end of the base;
a positioning mechanism mountable on one side of the base;
a medical light mountable on a side of the top plate.
Preferably, the adjusting mechanism comprises a first rotating rod, the bottom end of the first rotating rod is arranged at the bottom end of the inner cavity of the supporting plate through a bearing, the inner ring of the bearing is in interference fit with the supporting plate, the outer ring of the bearing is fixedly connected with the bottom end of the first rotating rod, the top end of the first rotating rod extends out of the upper surface of the supporting plate, the outer wall of the first rotating rod is in threaded connection with a first connecting block, the right side of the first connecting block extends out of a sliding rail arranged on the right end face of the supporting plate and is provided with a bottom plate, one end of a second rotating rod is arranged on the inner cavity inner side of the bottom plate through the bearing, the other end of the second rotating rod extends out of the front end and the rear end of the bottom plate, the outer wall of the second rotating rod is in threaded connection with a second connecting block, the top end of the second connecting block extends out of a sliding rail arranged, and the other end of picture peg extends into the inner chamber of connecting seat, the right side of picture peg is provided with the rectangular block, the couple is installed on the right side of rectangular block, the jack has all been seted up from a left side to the right side on the top of picture peg, the top right side of connecting seat is provided with the casing, peg graft on the top of casing has the one end of inserted bar, and the other end of inserted bar runs through the outer wall of casing and extends into the inner chamber of corresponding jack, the outer wall interference fit of inserted bar has the backing plate, the one end of spring is installed on the top of backing plate, and the other end fixed connection of spring is on the inner chamber.
Preferably, the number of the adjusting mechanisms is two, and the two adjusting mechanisms are symmetrically arranged in the inner cavity of the supporting plate.
Preferably, the backing plate and the spring are both located in the inner cavity of the housing.
Preferably, the positioning mechanism comprises a spot light, the spot light is arranged in an inner cavity of the base, sliding grooves are symmetrically formed in the front side and the rear side of the inner cavity of the base, a sliding block is embedded in the inner cavity of the sliding grooves, the sliding grooves extend out of the inner side of the sliding block and are provided with a third connecting block, a sliding rail formed in the lower surface of the base extends out of the bottom end of the third connecting block, one end of a shading cloth is arranged on each of the left side and the right side of the inner cavity of the base through a coil spring, the other end of the shading cloth is fixedly connected to the top end of the third connecting block, one end of an inserting block is inserted into the rear side of the third connecting block, the other end of the inserting block extends into the inner cavity of the third connecting block, a shifting block is arranged at the bottom end of the inserting block, the sliding rail formed in the lower surface of the third connecting block, and the front side of the bottom end of the base is provided with scale marks.
Preferably, the width of the shade cloth is the same as that of the third connecting block.
Preferably, the inserting block is matched with the clamping hole and corresponds to the clamping hole in position.
The artificial hip joint replacement retracting exposure positioner provided by the invention has the beneficial effects that:
1. the invention can directly irradiate the light emitted by the spotlight on the body of a patient through the spotlight and the slide rail arranged on the lower surface of the base, the position of the surgical scalpel is determined by adjusting the position of the light on the body of the patient, the light emitted by the spotlight can be shielded by pulling out the shading cloth through the matching among the chute, the slide block, the third connecting block, the coil spring, the inserting block, the shifting block, the long strip plate, the clamping hole and the scale mark, at the moment, the light emitted by the spotlight can be gradually shortened, the length of the light can be adjusted according to the length of the surgical incision, and thus, the positioning of the surgical scalpel on the position and the control of the incision length can be conveniently carried out by medical personnel.
2. According to the invention, the position height of the hook can be adjusted through the matching between the first rotating rod and the first connecting block, the front and back horizontal positions of the hook can be adjusted through the matching between the bottom plate, the second rotating rod and the second connecting block, the left and right horizontal positions of the hook can be adjusted through the matching between the connecting seat, the inserting plate, the rectangular block, the inserting hole, the shell, the inserting rod, the base plate and the spring, and the position of the cut skin soft tissue can be flexibly adjusted according to the use requirement after the position of the hook is adjusted for multiple times.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an adjustment mechanism according to the present invention;
FIG. 3 is a bottom view of the base of the present invention;
FIG. 4 is a schematic view of the positioning mechanism of the present invention;
fig. 5 is a schematic diagram of the left side structure of the insert block of the present invention.
In the figure: 1. the medical lamp comprises a supporting plate, 2, an adjusting mechanism, 21, a first rotating rod, 22, a first connecting block, 23, a bottom plate, 24, a second rotating rod, 25, a second connecting block, 26, a connecting seat, 27, an inserting plate, 28, a rectangular block, 29, a hook, 210, a jack, 211, a shell, 212, an inserting rod, 213, a backing plate, 214, a spring, 3, a top plate, 4, a base, 5, a positioning mechanism, 51, a spotlight, 52, a sliding groove, 53, a sliding block, 54, a third connecting block, 55, a coil spring, 56, shading cloth, 57, an inserting block, 58, a shifting block, 59, a long strip plate, 510, a clamping hole, 511, a scale mark, 6 and a medical lamp.
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. 1-5, the present invention provides a technical solution: the utility model provides a locator is revealed in artificial hip joint replacement retraction, including backup pad 1, adjustment mechanism 2, roof 3, base 4, positioning mechanism 5 and medical lamp 6, adjustment mechanism 2 can assemble in one side of backup pad 1, roof 3 fixed mounting can be on the inboard top of backup pad 1, base 4 accessible bearing mounting is in the bottom of roof 3, the inner ring and the 3 interference fit of roof of bearing, and the outer ring of bearing and the top fixed connection of base 4, base 4 can rotate in the bottom of roof 3, positioning mechanism 5 can assemble in one side of base 4, medical lamp 6 mountable is in one side of roof 3, medical lamp 6 can shine on the position of operation, provide light promptly.
As a preferable scheme, further, the adjusting mechanism 2 includes a first rotating rod 21, the bottom end of the first rotating rod 21 is installed at the bottom end of the inner cavity of the supporting plate 1 through a bearing, the inner ring of the bearing is in interference fit with the supporting plate 1, the outer ring of the bearing is fixedly connected with the bottom end of the first rotating rod 21, the top end of the first rotating rod 21 extends out of the upper surface of the supporting plate 1, the outer wall of the first rotating rod 21 is in threaded connection with a first connecting block 22, the right side of the first connecting block 22 extends out of a sliding rail arranged on the right end face of the supporting plate 1 and is provided with a bottom plate 23, the first rotating rod 21 is rotated, the first connecting block 22 drives the bottom plate 23 to move upwards or downwards together, one end of a second rotating rod 24 is installed on the inner side of the inner cavity of the bottom plate 23 through a bearing, the other end of the second rotating rod 24 extends out of the front and rear ends of the bottom plate, the top end of the second connecting block 25 extends out of a sliding rail arranged on the upper surface of the bottom plate 23 and is provided with a connecting seat 26, the second rotating rod 24 is rotated, the second rotating rod 24 can drive the second connecting block 25 to drive the connecting seat 26 to move forwards or backwards together, one end of an inserting plate 27 is inserted into the right side of the connecting seat 26, the other end of the inserting plate 27 extends into an inner cavity of the connecting seat 26, the right side of the inserting plate 27 is provided with a rectangular block 28, the right side of the rectangular block 28 is provided with a hook 29, cut skin and soft tissues can be hooked and fixed through the hook 29, the top end of the inserting plate 27 is provided with an inserting hole 210 from left to right, the right side of the top end of the connecting seat 26 is provided with a shell 211, the top end of the shell 211 is inserted into one end of an inserting rod 212, the other end of the inserting rod 212 penetrates through the outer wall of the shell 211 and extends into, and the other end of the spring 214 is fixedly connected to the top end of the inner cavity of the housing 211, the spring 214 is a coil spring, the elastic coefficient is 20N/CM, the spring 214 is elastically deformed after being stretched or extruded, the spring returns to an initial state after external force is removed, the inserting rod 212 is pulled upwards, the inserting rod 212 drives the backing plate 213 to move upwards and extrude the spring 214, when the bottom end of the inserting rod 212 is moved out of the inner cavity of the inserting hole 210, the inserting hole 210 has no any block, and therefore the rectangular block 28 and the hook 29 can be driven to move leftwards or rightwards together.
Preferably, the number of the adjusting mechanisms 2 is two, and the two adjusting mechanisms 2 are symmetrically arranged in the inner cavity of the supporting plate 1, so that the number and the positions of the adjusting mechanisms 2 are clear.
Preferably, the pad 213 and the spring 214 are located in the inner cavity of the housing 211, so that the installation position between the pad 213 and the spring 214 is defined.
As a preferable scheme, further, the positioning mechanism 5 includes a spot light 51, the spot light 51 is installed in an inner cavity of the base 4, sliding grooves 52 are symmetrically formed in front and rear sides of the inner cavity of the base 4, a sliding block 53 is embedded in the inner cavity of the sliding groove 52, the inner side of the sliding block 53 extends out of the sliding groove 52 and is provided with a third connecting block 54, a bottom end of the third connecting block 54 extends out of a sliding rail formed in a lower surface of the base 4, light emitted by the spot light 51 can be irradiated to the outside through the sliding rail formed in the bottom end of the base 4, one end of a light shielding cloth 56 is installed on each of left and right sides of the inner cavity of the base 4 through a coil spring 55, the other end of the light shielding cloth 56 is fixedly connected to a top end of the third connecting block 54, one end of an inserting block 57 is inserted into a rear side of the third connecting block 54, the other end of the inserting, the rear side of the bottom end of the base 4 is provided with a long strip plate 59, the front side of the long strip plate 59 is provided with clamping holes 510 from left to right, the front side of the bottom end of the base 4 is provided with scale marks 511, the third connecting block 54 is moved, one end of the shading cloth 56 can be pulled by the third connecting block 54, the other end of the shading cloth is enabled to apply pulling force to the coil spring 55, when the third connecting block 54 is moved to a proper position, the shifting block 58 is moved towards the rear side, the shifting block 58 can push the inserting block 57 to be inserted into the inner cavity of the corresponding clamping hole 510, and therefore the position of the third connecting block 54 is locked and fixed.
Preferably, the width of the shade cloth 56 is the same as that of the third connecting block 54, so as to ensure that the shade cloth 56 can completely shade the emitted light.
Preferably, the insertion block 57 is matched with the card hole 510 and has a corresponding position, so that the installation relationship and the position relationship between the insertion block 57 and the card hole 510 are defined.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the device is used, a patient lies on the side, the device is integrally placed at the hip joint of the hip of the patient, an external power supply of the spotlight 51 is switched on, the spotlight 51 is started, light rays emitted by the spotlight 51 can irradiate on the body of the patient through a sliding rail arranged at the bottom end of the base 4, the position of an operation scalpel is determined by adjusting the position of the light rays, when the position of the spotlight is determined, the third connecting block 54 is moved leftwards or rightwards, one end of the shading cloth 56 is pulled by the third connecting block 54 to enable the other end of the shading cloth to apply tension to the coil spring 55, the shading cloth 56 which is pulled out at the moment can shade the light rays emitted by the spotlight 51, the light rays which are not shaded can be gradually shortened on the body of the patient, the length of the light rays which are irradiated on the body of the patient is adjusted according to the length of the preoperative incision, when the third connecting block 54 is moved to a proper position, the shifting block 58 is moved backwards, the shifting block 58, thereby locking and fixing the position of the third connecting block 54, and the position and the length of the light irradiated on the patient are both the position and the length of the surgical incision; when the position and the length of the scalpel are determined, the scalpel can be used for surgical treatment immediately, the scalpel is used for incising skin and soft tissues, the first rotating rod 21 is rotated, the first connecting block 22 drives the bottom plate 23, the second rotating rod 24, the second connecting block 25, the connecting seat 26, the inserting plate 27, the rectangular block 28, the hook 29, the inserting hole 210, the shell 211, the inserting rod 212, the cushion plate 213 and the spring 214 to move upwards or downwards together, namely, the position height of the long strip plate 59 is adjusted according to the height of the incision of a patient, the second rotating rod 24 is rotated, the second rotating rod 24 drives the second connecting block 25, the connecting seat 26, the inserting plate 27, the rectangular block 28, the hook 29, the inserting hole 210, the shell 211, the inserting rod 212, the cushion plate 213 and the spring 214 to move forwards or backwards together, namely, the front-back horizontal position of the hook 29 is adjusted according to the use requirement, the inserting rod 212 is pulled upwards, the inserting rod 212 drives the cushion plate 213 to move upwards, when the bottom end of the inserting rod 212 is moved out of the inner cavity of the inserting hole 210, the inserting hole 210 has no any block, so that the rectangular block 28 and the hook 29 can be driven to move leftwards or rightwards together, the skin and soft tissue can be hooked and fixed by the hook 29, the width of an opening cut can be adjusted according to the use requirement by moving the hook 29 leftwards and rightwards, after the position of the hook 29 is adjusted, the pulling force on the inserting rod 212 is removed, the spring 214 can restore to the initial state and push the backing plate 213 and the inserting rod 212 to move downwards together, when the bottom end of the inserting rod 212 is clamped into the inner cavity of the corresponding inserting hole 210, the left-right horizontal position of the hook 29 is fixed, the up-down, left-right, front-back, and rear positions of the hook 29 can be adjusted flexibly in the operation process, different use requirements can be met, the device not only can accurately position the position of the opening knife and the length, greatly reduces the difficulty of the operation, has flexible use and strong practicability, and meets the use requirements on the existing market.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An artificial hip joint replacement retracting and exposing positioner is characterized in that: comprises that
A support plate (1);
an adjusting mechanism (2) assembled on one side of the supporting plate (1);
the top plate (3) is fixedly arranged at the top end of the inner side of the supporting plate (1);
the base (4) is installed at the bottom end of the top plate (3) through a bearing, an inner ring of the bearing is in interference fit with the top plate (3), and an outer ring of the bearing is fixedly connected with the top end of the base (4);
a positioning mechanism (5) assembled on one side of the base (4);
a medical lamp (6) mounted on one side of the top plate (3);
the positioning mechanism (5) comprises a spotlight (51), the spotlight (51) is installed in the inner cavity of the base (4), sliding grooves (52) are symmetrically formed in the front side and the rear side of the inner cavity of the base (4), a sliding block (53) is embedded in the inner cavity of the sliding groove (52), the inner side of the sliding block (53) extends out of the sliding groove (52) and is provided with a third connecting block (54), the bottom end of the third connecting block (54) extends out of a sliding rail formed in the lower surface of the base (4), one end of a shading cloth (56) is installed on the left side and the right side of the inner cavity of the base (4) through a coil spring (55), the other end of the shading cloth (56) is fixedly connected to the top end of the third connecting block (54), one end of an inserting block (57) is inserted in the rear side of the third connecting block (54), and the other end of the inserting block (57) extends into the, shifting blocks (58) are installed at the bottom ends of the inserting blocks (57), sliding rails which are arranged on the lower surfaces of the third connecting blocks (54) are extended out of the bottom ends of the shifting blocks (58), long strip plates (59) are arranged on the rear sides of the bottom ends of the bases (4), clamping holes (510) are formed in the front sides of the long strip plates (59) from left to right, and scale marks (511) are arranged on the front sides of the bottom ends of the bases (4).
2. The artificial hip replacement retraction exposure positioner of claim 1, wherein: the adjusting mechanism (2) comprises a first rotating rod (21), the bottom end of the first rotating rod (21) is installed at the bottom end of an inner cavity of the supporting plate (1) through a bearing, an inner ring of the bearing is in interference fit with the supporting plate (1), an outer ring of the bearing is fixedly connected with the bottom end of the first rotating rod (21), the top end of the first rotating rod (21) extends out of the upper surface of the supporting plate (1), a first connecting block (22) is connected to the outer wall of the first rotating rod (21) in a threaded manner, a sliding rail arranged on the right end face of the supporting plate (1) extends out of the right side of the first connecting block (22), a bottom plate (23) is installed on the right side of the first connecting block, one end of a second rotating rod (24) is installed on the inner side of the inner cavity of the bottom plate (23) through the bearing, the other end of the second rotating rod (24) extends out of the front end and the rear end of the bottom plate (23), a, the top of second connecting block (25) extends the slide rail that bottom plate (23) upper surface was seted up and installs connecting seat (26), the right side of connecting seat (26) is pegged graft and is had the one end of picture peg (27), and the other end of picture peg (27) extends into the inner chamber of connecting seat (26), the right side of picture peg (27) is provided with rectangular block (28), couple (29) are installed on the right side of rectangular block (28), jack (210) have all been seted up from a left side to the right side in the top of picture peg (27), the top right side of connecting seat (26) is provided with casing (211), the top of casing (211) is pegged graft and is had the one end of inserted bar (212), and the other end of inserted bar (212) runs through the outer wall of casing (211) and extends into the inner chamber of corresponding jack (210), the outer wall interference fit of inserted bar (212) has backing plate (213), the one end of spring (214) is installed on the, and the other end of the spring (214) is fixedly connected to the top end of the inner cavity of the shell (211).
3. The artificial hip replacement retraction exposure positioner of claim 2, wherein: the number of the adjusting mechanisms (2) is two, and the two adjusting mechanisms (2) are symmetrically arranged in the inner cavity of the supporting plate (1).
4. The artificial hip replacement retraction exposure positioner of claim 2, wherein: the backing plate (213) and the spring (214) are both positioned in the inner cavity of the shell (211).
5. The artificial hip replacement retraction exposure positioner of claim 1, wherein: the width of the shading cloth (56) is the same as that of the third connecting block (54).
6. The artificial hip replacement retraction exposure positioner of claim 1, wherein: the inserting block (57) is matched with the clamping hole (510) and corresponds to the clamping hole in position.
CN202010255757.0A 2020-04-02 2020-04-02 Artificial hip joint replacement retracting exposure positioner Active CN111436982B (en)

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CN112472176A (en) * 2020-11-23 2021-03-12 苏州法兰克曼医疗器械有限公司 But rapid Assembly's laparoscopic surgery cutting anastomat
CN112932634B (en) * 2021-01-26 2023-05-02 来常敏 Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation
CN113974720B (en) * 2021-11-09 2023-06-23 西安市红会医院 Surgical instrument for exposing acetabulum

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