CN112932570A - Dilator for orthopedic surgery - Google Patents
Dilator for orthopedic surgery Download PDFInfo
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- CN112932570A CN112932570A CN202110131905.2A CN202110131905A CN112932570A CN 112932570 A CN112932570 A CN 112932570A CN 202110131905 A CN202110131905 A CN 202110131905A CN 112932570 A CN112932570 A CN 112932570A
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- threaded hole
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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
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- Life Sciences & Earth Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention provides an orthopedic operation dilator convenient to use and adjustable in angle, which comprises two X-shaped hinged rod bodies, wherein the tail ends of the two rod bodies are respectively provided with a holding ring, the front ends of the two rod bodies are respectively provided with an expansion plate, the two expansion plates are arc-shaped plates, the front ends of the two rod bodies are plate-shaped arcs, the middle arch part of each expansion plate protrudes outwards, the outer side wall of the middle part of a front end plate body of each rod body is respectively provided with a convex column, the middle parts of the two expansion plates are respectively provided with a through hole, the two expansion plates are respectively sleeved on the convex columns on the corresponding sides through the through holes and can rotate on the convex columns, and the expansion plates are connected with the plate-shaped bodies at the front ends of the rod bodies.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an orthopedic operation dilator.
Background
The expander plays an important role in orthopedic surgery, the internal tissue can be pulled out by using the expander, the operation is fast and effectively implemented, the structure of the existing expander generally adopts the structure design of 'scissors', the expander is single in structure and simple in function, and therefore the expander is convenient to lift and improve in use and is convenient and comfortable in use, and the expander for orthopedic surgery is novel in structure and is specially provided for meeting the display requirement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the practical requirements and provide the dilator for the orthopedic operation, which is convenient to use and adjustable in angle.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides an expander for orthopedic surgery, is the articulated body of rod of X shape including two, and the tail end of two bodies of rod is equipped with respectively holds the ring, and the front end of two bodies of rod is equipped with the expansion board respectively, and two expansion boards are the arc, and the front end of two bodies of rod is plate arc and middle part hunch-up position evagination, and the preceding end plate body middle part lateral wall of two bodies of rod is equipped with the projection respectively, two the through-hole has been seted up respectively at the middle part of expansion board, two the expansion board is respectively through the through-hole cover on the projection that corresponds the side, just the expansion board can rotate on the projection, the expansion board pass through the magnet with the plate-like body of rod.
The expansion board comprises a rod body and is characterized in that a plurality of protrusions which are circularly arranged and are symmetrically arranged with the center of a through hole are arranged on the inner side wall of the expansion board contacted with the front end of the rod body, a plurality of grooves which are circularly arranged are arranged on the outer side wall of a plate-shaped body at the front end of the rod body, and the protrusions are correspondingly arranged in the grooves.
The end of the convex body is in a spherical arc shape.
The outer side wall of the plate-shaped body at the front end of the rod body is provided with a groove, and the magnet is embedded in the groove.
The height of the convex column is the same as the thickness of the expansion plate.
Still include the deflector, the one end of deflector articulate in being close to on the body of rod of body of rod tail end, another it has a rotor to articulate on the tail end of the body of rod, a perforation has been seted up on the rotor, the deflector activity runs through the perforation, still be fixed with a inside box body that is equipped with movable chamber on the lateral wall of rotor, the box body is flat box body form, just the one end opening of box body, the other end seal, the open end of box body with the perforation butt joint, the front end of deflector insert extremely in the box body, be close to be equipped with a spring leaf in the box body of box body blind end, the spring leaf is bent in succession and one end supports the blind end inner wall of box body, and the other end of spring leaf supports the tip of deflector is right elasticity is applyed to the deflector.
Set up the regulation screw hole on the top lateral wall of rotor, adjust the screw hole run through the rotor lateral wall and with the perforation intercommunication in the rotor, the downthehole lower part of regulation screw is equipped with a rubber friction piece, the downthehole female connection of regulation screw hole internal thread of top has adjusting bolt, adjusting bolt's tip supports and makes on the rubber friction piece the lower extreme of adjusting the friction piece supports on the lateral wall of deflector, and through adjusting bolt is to the extrusion force regulation rubber friction piece of rubber friction piece with frictional force between the deflector.
The front end of the body of rod is equipped with an extension plate, the expansion plate set up in the front end of extension plate, the inside chamber that inserts that is equipped with inside extension of the front end of the body of rod, the tail end of extension plate is equipped with the inserted body, the inserted body activity insert extremely insert in the chamber, and set up threaded hole on the inner wall of inserting the chamber, threaded hole female connection has locking screw, locking screw's tip supports on the lateral wall of inserted body.
The front end of extension plate is equipped with a recess, the extension plate sets up on the front end of front bezel, the tail end of front bezel is equipped with a picture peg, the picture peg is located in the recess and through the round pin axle with the extension plate front end is articulated, just the front bezel is rotatable and with the extension plate is 90 degrees settings.
A first locking threaded hole is formed in the side wall of the front end of the extension plate at the position corresponding to the groove, a second locking threaded hole and a third locking threaded hole are formed in the front plate, the second locking threaded hole and the third locking threaded hole are located on two radiuses of a circle, the two radiuses of the second locking threaded hole and the third locking threaded hole are arranged at 90 degrees, the circle takes a pin shaft as the center of the circle, the first locking threaded hole is located on the axis of the extension plate, when the front plate and the rod body are linearly arranged, the third locking threaded hole corresponds to the first locking threaded hole, and locking screws are arranged in the third locking threaded hole and the first locking threaded hole; when the front plate and the extension plate are arranged at 90 degrees, the first locking threaded hole corresponds to the second locking threaded hole, and locking screws are arranged in the first locking threaded hole and the second locking threaded hole.
The invention has the beneficial effects that:
its structural design of this design is novel, can realize whole length, expansion board rotation angle, front end and the multiple regulation of expansion board bending angle through the expander for the bone surgery of this design in use, can be adapted to the operation expansion under various environment and use.
Drawings
FIG. 1 is a schematic diagram of the principal structure of the present design in a top view;
FIG. 2 is a schematic view of the main structure of the rod and the expansion plate according to the present embodiment;
fig. 3 is a schematic view of the structure of fig. 2 after the expansion board has been rotated 90 degrees;
fig. 4 is a main structural schematic diagram of the expansion board in the design;
FIG. 5 is a schematic structural diagram of the present embodiment 2;
FIG. 6 is a schematic cross-sectional view of the design after the insertion body is combined with the rod body;
FIG. 7 is an enlarged view of the portion A of FIG. 5;
FIG. 8 is a schematic view of the extension board of the present design rotated 90 degrees with respect to the front board;
fig. 9 is a schematic cross-sectional view of the rotor and the guide plate of the present embodiment.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: an orthopedic dilator, see fig. 1-4.
Comprises two X-shaped hinged rod bodies 1, wherein the rod bodies 1 are flat metal plates, the tail ends of the two rod bodies 1 are respectively provided with a holding ring 2, the front ends of the two rod bodies 1 are respectively provided with an expansion plate 7, the expansion plates 1 are arc-shaped plates, the front ends of the two rod bodies 1 are plate-shaped arc-shaped, the middle arch parts of the two rod bodies 1 protrude outwards and can be matched with the arc of the expansion plates 1 in a matching way, the arc-shaped plates are movably connected with the front ends of the rod bodies and can be adjusted in a rotating way, concretely, the outer side walls of the middle parts of the front end plate bodies of the two rod bodies 1 are respectively provided with a convex column 8, the middle parts of the two expansion plates 7 are respectively provided with a through hole, the two expansion plates 7 are respectively sleeved on the convex columns 8 on the corresponding sides through the through holes and can rotate on the convex columns 8, the height of the convex columns 8 is the same, thus avoiding the convex column 8 from protruding outwards and avoiding skin damage and discomfort caused by using the utility model. For fixing the expansion plate and the rotated expansion plate, the expansion plate is connected with the plate-shaped body at the front end of the rod body through a magnet 9, a groove is formed in the outer side wall of the plate-shaped body at the front end of the rod body 2, and the magnet is embedded into the groove.
Further, for the realization is fixed the expansion board after fixed and the pairing rotation of expansion board angle, prevent that its expansion board from appearing the angle and deflecting, this design with be equipped with a plurality of on the expansion board inside wall of body of rod front end contact and be circular the convex body 10 of laying and using the central symmetry setting of through-hole, the tip of convex body is globular arc, simultaneously, be equipped with the recess that a plurality of is circular setting on the platelike body lateral wall of 1 front end of the body of rod, the convex body one-to-one is located a plurality of in the recess, work as after the expansion board is fixed by magnet absorption and angle modulation, the fixed spacing to the expansion board is realized to the recess in inserting of its convex body one-to-one.
Through above-mentioned structural design's expander for orthopedic operation when using, can rotate the angle of its two expansion boards according to the operation position, the angle of two expansion boards can be the same also different, specifically can carry out interim adjustment according to actual need, because its expansion board adopts the radian design, the expansion board can carry out fine contact with the operation position in the use, adopt the fixed mode of magnet absorption again can be very convenient adjust, installation and separation, especially can be convenient after using separate it and carry out disinfection one by one.
Example 2: an orthopedic dilator is shown in fig. 1-4 and 9.
The embodiment is improved on the basis of embodiment 1, and the same parts as embodiment 1 are not described again, specifically:
the novel cigarette holder is characterized by further comprising a guide plate 4, wherein the tail end 3 of the guide plate is hinged to one of the rod bodies close to the tail end 1 of the rod body, the tail end of the other rod body is hinged to a rotating body 5 through a rivet 25, a through hole is formed in the rotating body 5, the guide plate 4 movably penetrates through the through hole 5, meanwhile, a box body 6 with a movable cavity inside is further fixed on the outer side wall of the rotating body 5, the box body 6 is flat and box-shaped, one end of the box body 6 is opened, the other end of the box body 6 is closed, the open end of the box body 6 is in butt joint with the through hole, the front end of the guide plate 4 is inserted into the box body 6, a spring piece 26 is arranged in the box body close to the closed end of the box body 6, the spring piece is continuously bent, one end of the spring piece abuts against the inner wall of the closed end of the, the spring piece 26 can apply elasticity to the tail ends of the two rod bodies and enable the two expansion pieces to be in an opened state, so that the comfort and convenience of a user in use can be improved, particularly, the expansion force applied to the two rod bodies by the user for a long time can be reduced in long-time use, and the fatigue of hands in long-time use is prevented.
Furthermore, in the design, an adjusting threaded hole is formed in the top side wall of the rotating body 5, the adjusting threaded hole penetrates through the side wall of the rotating body 5 and is communicated with a through hole in the rotating body 5, a rubber friction body 27 is arranged at the lower part in the adjusting threaded hole, an adjusting bolt 28 is connected in the adjusting threaded hole in the upper part in a threaded manner, the end part of the adjusting bolt abuts against the rubber friction body and enables the lower end of the adjusting friction sheet to abut against the side wall of the guide plate, the top part of the adjusting bolt is positioned in the adjusting bolt hole, the adjusting bolt adjusts the extrusion force of the rubber friction body, the adjustment of the friction force between the rubber friction body and the guide plate can be realized, the friction force can be adjusted to be larger than that the two expansion plates are subjected to external pressure (the force for enabling the two expansion plates to be closed), and at the moment, a user can only hold the two rod bodies during an operation, Need not to apply the power that keeps the expansion board open to two body of rod, and when needs increase or reduce two expansion board's the angle that opens and shuts, this moment, accessible hand exerts two body of rod and impels this power to be greater than frictional force can realize the regulation to expansion board angle that opens and shuts, and only need when this frictional force is relieved to needs just loosen adjusting bolt soon can, so, through the regulation of this frictional force can improve travelling comfort and convenience when using.
Example 3: an orthopedic dilator, see fig. 5-9.
The embodiment is improved on the basis of embodiment 2, and the same parts as those in embodiments 1 and 2 are not described again, specifically:
in this embodiment, the front end of the rod body 1 is provided with an extension plate 18, the expansion plate 7 is arranged at the front end 11 of the extension plate, at this time, an inward extending insertion cavity 15 is arranged inside the front end of the rod body 1, the tail end of the extension plate 18 is provided with an insertion body 19, the insertion body 19 is movably inserted into the insertion cavity 15, a threaded hole is formed in the inner wall of the insertion cavity, a locking screw 13 is connected to the inner thread of the threaded hole, and the end of the locking screw 13 abuts against the side wall of the insertion body and is fixed to the insertion body. The length of the extension plate can be extended through the extension plate, and the extension plate is favorable for extending deep parts in a body.
Example 4: an orthopedic dilator, see fig. 5-9.
This embodiment is improved on the basis of embodiment 3, and the same parts as embodiments 1, 2, and 3 are not described again, specifically:
in this embodiment, a groove is formed in the front end of the extension plate 18, the expansion plate is disposed on the front end of the front plate 17, an insertion plate 19 is disposed at the tail end of the front plate 17, the insertion plate 19 is located in the groove and is hinged to the front end of the extension plate 18 through a pin 16, and the front plate is rotatable and is 90 degrees to the extension plate.
Specifically, this design has seted up first locking screw hole 21 on the extension plate 18 front end lateral wall with recess 22 corresponding position department, seted up second locking screw hole 24, third locking screw hole 23 on the front bezel 17, second locking screw hole 24, third locking screw hole 23 are located two radiuses of circle, and two radiuses at this moment second locking screw hole 24, third locking screw hole 23 place are 90 degrees settings, the circle uses the round pin axle as the centre of a circle, just first locking screw 21 hole is located the axis of extension plate.
When the front plate 17 and the rod body are linearly (or 0 degree) arranged, the third locking threaded hole 23 corresponds to the first locking threaded hole 21, and locking screws 20 are arranged in the third locking threaded hole 23 and the first locking threaded hole 21; and when the front plate and the extension plate are arranged at 90 degrees, the first locking threaded hole corresponds to the second locking threaded hole, and at the moment, locking screws are arranged in the first locking threaded hole and the second locking threaded hole.
The angle adjustment of the front end expansion plate relative to the rod body can be realized through the matching of the first locking threaded hole 21, the second locking threaded hole 24 and the third locking threaded hole 23, namely, the bending of the front end expansion plate relative to the rod body is realized, so that the front end activity angle of the expansion plate is wider, and the expansion plate can be suitable for being used under more conditions; and in the concrete implementation, set up the screw hole on the picture peg can be to a plurality ofly (be not limited to second locking screw hole 24, third locking screw hole 23), and a plurality of screw holes can be the annular setting this moment, so, through the cooperation of a plurality of screw holes and first locking screw hole, the angle of buckling that its front bezel and expansion plate want to lose the body of rod is more nimble and extensive.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides an expander for orthopedic operation, includes that two are the articulated body of rod of X shape, and the tail end of two bodies of rods is equipped with respectively holds ring, its characterized in that: the front end of two bodies of rod is equipped with the expansion board respectively, and two expansion boards are the arc, and the front end of two bodies of rod is plate arc and middle part hunch-up position evagination, and the preceding end plate body middle part lateral wall of two bodies of rod is equipped with the projection respectively, two the through-hole has been seted up respectively to the middle part of expansion board, two the expansion board is respectively through the through-hole cover on the projection that corresponds the side, just the expansion board can rotate on the projection, the expansion board pass through the magnet with the plate-like body of rod front end is connected.
2. The orthopedic dilator of claim 1, wherein: the expansion board comprises a rod body and is characterized in that a plurality of protrusions which are circularly arranged and are symmetrically arranged with the center of a through hole are arranged on the inner side wall of the expansion board contacted with the front end of the rod body, a plurality of grooves which are circularly arranged are arranged on the outer side wall of a plate-shaped body at the front end of the rod body, and the protrusions are correspondingly arranged in the grooves.
3. The orthopedic dilator of claim 2, wherein: the end of the convex body is in a spherical arc shape.
4. The orthopedic dilator of claim 2, wherein: the outer side wall of the plate-shaped body at the front end of the rod body is provided with a groove, and the magnet is embedded in the groove.
5. The orthopedic dilator of claim 2, wherein: the height of the convex column is the same as the thickness of the expansion plate.
6. The orthopedic dilator of claim 1, wherein: still include the deflector, the one end of deflector articulate in being close to on the body of rod of body of rod tail end, another it has a rotor to articulate on the tail end of the body of rod, a perforation has been seted up on the rotor, the deflector activity runs through the perforation, still be fixed with a inside box body that is equipped with movable chamber on the lateral wall of rotor, the box body is flat box body form, just the one end opening of box body, the other end seal, the open end of box body with the perforation butt joint, the front end of deflector insert extremely in the box body, be close to be equipped with a spring leaf in the box body of box body blind end, the spring leaf is bent in succession and one end supports the blind end inner wall of box body, and the other end of spring leaf supports the tip of deflector is right elasticity is applyed to the deflector.
7. The orthopedic dilator of claim 6, wherein: set up the regulation screw hole on the top lateral wall of rotor, adjust the screw hole run through the rotor lateral wall and with the perforation intercommunication in the rotor, the downthehole lower part of regulation screw is equipped with a rubber friction piece, the downthehole female connection of regulation screw hole internal thread of top has adjusting bolt, adjusting bolt's tip supports and makes on the rubber friction piece the lower extreme of adjusting the friction piece supports on the lateral wall of deflector, and through adjusting bolt is to the extrusion force regulation rubber friction piece of rubber friction piece with frictional force between the deflector.
8. The orthopedic dilator of claim 1, wherein: the front end of the body of rod is equipped with an extension plate, the expansion plate set up in the front end of extension plate, the inside chamber that inserts that is equipped with inside extension of the front end of the body of rod, the tail end of extension plate is equipped with the inserted body, the inserted body activity insert extremely insert in the chamber, and set up threaded hole on the inner wall of inserting the chamber, threaded hole female connection has locking screw, locking screw's tip supports on the lateral wall of inserted body.
9. The orthopedic dilator of claim 8, wherein: the front end of extension plate is equipped with a recess, the extension plate sets up on the front end of front bezel, the tail end of front bezel is equipped with a picture peg, the picture peg is located in the recess and through the round pin axle with the extension plate front end is articulated, just the front bezel is rotatable and with the extension plate is 90 degrees settings.
10. The orthopedic dilator of claim 9, wherein: a first locking threaded hole is formed in the side wall of the front end of the extension plate at the position corresponding to the groove, a second locking threaded hole and a third locking threaded hole are formed in the front plate, the second locking threaded hole and the third locking threaded hole are located on two radiuses of a circle, the two radiuses of the second locking threaded hole and the third locking threaded hole are arranged at 90 degrees, the circle takes a pin shaft as the center of the circle, the first locking threaded hole is located on the axis of the extension plate, when the front plate and the rod body are linearly arranged, the third locking threaded hole corresponds to the first locking threaded hole, and locking screws are arranged in the third locking threaded hole and the first locking threaded hole; when the front plate and the extension plate are arranged at 90 degrees, the first locking threaded hole corresponds to the second locking threaded hole, and locking screws are arranged in the first locking threaded hole and the second locking threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110131905.2A CN112932570B (en) | 2021-01-30 | 2021-01-30 | Dilator for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110131905.2A CN112932570B (en) | 2021-01-30 | 2021-01-30 | Dilator for orthopedic surgery |
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| CN112932570A true CN112932570A (en) | 2021-06-11 |
| CN112932570B CN112932570B (en) | 2022-11-25 |
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| CN209186661U (en) * | 2018-05-21 | 2019-08-02 | 苏州明基医院有限公司 | Obstetrics and gynecology department vaginal dilator |
| CN208910343U (en) * | 2018-07-02 | 2019-05-31 | 付琳 | Obstetrics and gynecology department coupling type perineal suture support |
| CN209203368U (en) * | 2018-09-26 | 2019-08-06 | 淄博市中西医结合医院 | A kind of anal-surgery expander |
| CN109431757A (en) * | 2018-11-14 | 2019-03-08 | 罗弘毅 | A kind of folding crutch with adjustable stool function |
| CN210170123U (en) * | 2018-12-26 | 2020-03-24 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Small intestine protection forceps for laparoscopic surgery |
| CN209996383U (en) * | 2019-03-04 | 2020-01-31 | 彭竟涛 | clinical wound expanding device for general surgery department |
| CN209733939U (en) * | 2019-03-06 | 2019-12-06 | 陈海 | oral cavity maxillofacial surgery struts ware |
| CN209808435U (en) * | 2019-03-13 | 2019-12-20 | 中山大学附属第一医院 | Multi-angle sternum retractor for thymoma thoracotomy |
| CN210185653U (en) * | 2019-03-22 | 2020-03-27 | 王广生 | Special operating forceps for general surgery department |
| CN209966474U (en) * | 2019-05-08 | 2020-01-21 | 朱荣博 | Fixed dilator of sewing up of nasal septum support |
| CN110269649A (en) * | 2019-07-19 | 2019-09-24 | 上海长征医院 | It is a kind of to strut fixator for liver transplantation |
| CN210903230U (en) * | 2019-08-21 | 2020-07-03 | 曲靖市第一人民医院 | Improvement type ICU percutaneous tracheotomy expansion pincers |
| CN212326639U (en) * | 2020-03-23 | 2021-01-12 | 高娟 | Auxiliary device for orthodontics |
| CN111685832A (en) * | 2020-06-15 | 2020-09-22 | 杨景华 | Incision expanding device for general surgery department operation |
| CN215227966U (en) * | 2021-01-30 | 2021-12-21 | 江西省人民医院 | Novel adjustable expander for surgical operation |
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