CN114795315A - Drag hook structure and auxiliary assembly for orthopedic surgery - Google Patents
Drag hook structure and auxiliary assembly for orthopedic surgery Download PDFInfo
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- CN114795315A CN114795315A CN202111478856.6A CN202111478856A CN114795315A CN 114795315 A CN114795315 A CN 114795315A CN 202111478856 A CN202111478856 A CN 202111478856A CN 114795315 A CN114795315 A CN 114795315A
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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
- A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
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Abstract
The invention relates to a drag hook structure and auxiliary equipment for orthopedic surgery, the drag hook structure comprises: the bearing ring and at least four U-shaped sliding blocks are slidably mounted on the bearing ring, a bearing plate is mounted on each U-shaped sliding block through a first elastic assembly, a bayonet lock penetrating through each U-shaped sliding block is fixed on each bearing plate, and the bayonet lock is matched with a bayonet groove formed in the bearing ring; the bearing plate is also rotatably provided with a clamping plate, a movable plate is slidably arranged on the clamping plate, and the movable plate performs one-way limiting through a limiting assembly arranged on the clamping plate; the connector is installed to the end of fly leaf, rotate on the connector and install the hook plate. The movable rod that sets up can drive the hook plate and remove and drag in order to realize skin to carry on spacingly through one-way spacing subassembly, convenient regulation rotates the hook plate and sets up, can realize when different positions drag, can prevent to cause the damage that the atress inequality brought according to skin angle laminating drag hook position to skin.
Description
Technical Field
The invention relates to the technical field related to medical instruments, in particular to a drag hook structure and auxiliary equipment for orthopedic surgery.
Background
The surgical retractor is a medical instrument which can draw soft tissues in a surgical incision or a surgical cavity to widen the surgical field, and is widely applied to general surgical operations.
The existing surgical retractor is generally composed of a hook body and a pull arm, the surgical retractor needs special medical care personnel to pull the pull arm in the whole surgical process, the operation is very troublesome, the traction stability is difficult to control, if the medical care personnel exert force unevenly, the hook body is easy to deviate and slide, thereby the normal surgical traction is influenced, the work difficulty of the medical care personnel is increased, and the long-time traction surgical retractor of the medical care personnel can also cause arm discomfort.
Disclosure of Invention
The invention aims to provide a retractor structure and auxiliary equipment for orthopedic surgery, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a retractor structure comprising:
the bearing ring and at least four U-shaped sliding blocks are slidably mounted on the bearing ring, a bearing plate is mounted on each U-shaped sliding block through a first elastic assembly, a bayonet lock penetrating through each U-shaped sliding block is fixed on each bearing plate, and the bayonet lock is matched with a bayonet groove formed in the bearing ring;
the bearing plate is also rotatably provided with a clamping plate, a movable plate is slidably arranged on the clamping plate, and the movable plate performs one-way limiting through a limiting assembly arranged on the clamping plate;
the connector is installed to the end of fly leaf, rotate on the connector and install the hook plate.
As a further scheme of the invention: the first elastic assembly comprises at least two movable columns fixed on the bearing plate and an extension plate fixed on the U-shaped sliding block and used for sliding and penetrating through the movable columns, a first spring is sleeved on each movable column, and two ends of each first spring are respectively connected with the end portions of the extension plate and the movable columns.
As a still further scheme of the invention: the limiting assembly comprises a plurality of first wedge-shaped clamping teeth which are equidistantly arranged on the movable rod;
the clamp plate is movably connected with the movable rod through a first elastic component, and a first wedge-shaped latch matched with the first wedge-shaped latch is fixed on one side of the movable rod, facing the movable rod, of the movable plate.
As a still further scheme of the invention: the second elastic assembly comprises at least two fixed columns fixed on the clamping plate and a through groove arranged on the movable plate and used for the fixed columns to movably penetrate through, a second spring is sleeved on each fixed column, and two ends of the second spring are fixed to the movable plate and the end portions of the fixed columns respectively.
As a still further scheme of the invention: a sliding rod is fixed on one side, facing the movable rod, of the connector, and the sliding rod penetrates through an extension block arranged on the movable rod and is fixed with a trigger;
the connector is also connected with the extension block through at least two third springs;
still install touch switch on the extension piece, touch switch with install light on the hook plate is connected, works as the trigger with when the touch switch contact, the light circular telegram.
As a still further scheme of the invention: the inner side of the U-shaped sliding block is provided with an arc-shaped bulge, and the arc-shaped bulge is in sliding fit with an annular groove formed in the bearing ring.
The auxiliary equipment for the orthopedic operation comprises the drag hook structure and a supporting frame structure used for fixing the bearing ring.
Compared with the prior art, the invention has the beneficial effects that: the adjustable skin retractor is novel in design, the U-shaped sliding block slides in the bearing ring, the position fixing is realized through the clamping pin, the position adjustment of the retractor structure in use is realized, different requirements are met, the movable rod can drive the hook plate to move to realize skin pulling, the limiting is realized through the one-way limiting assembly, the adjustment is convenient, the practicability is high, the hook plate is rotatably arranged, the retractor position can be attached according to the skin angle when the retractor is pulled at different positions, and the damage caused by uneven stress on the skin is prevented.
Drawings
Fig. 1 is a schematic diagram of the structure of the retractor.
Fig. 2 is a schematic view of the overall structure of a U-shaped slider in the retractor structure.
Fig. 3 is an enlarged view of a structure at a in fig. 2.
Fig. 4 is an elevational view of the overall structure of a U-shaped slider in the retractor configuration.
Fig. 5 is a schematic view of the drag hook structure after the movable plate is pulled away.
In the figure: the device comprises a bearing ring 1, a clamping groove 2, a movable rod 3, a U-shaped sliding block 4, a bearing plate 5, a clamping plate 6, a movable plate 7, a first spring 8, an arc-shaped protrusion 9, an annular groove 10, a first wedge-shaped latch 11, a fixed column 12, a bayonet 13, a second wedge-shaped latch 14, a second spring 15, a movable column 16, a connector 17, a hook plate 18, a lighting lamp 19, a touch switch 20, a trigger 21, an extension block 22 and a third spring 23.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 5, in an embodiment of the present invention, a retractor structure includes:
the bearing ring comprises a bearing ring 1 and at least four U-shaped sliding blocks 4 which are slidably mounted on the bearing ring 1, wherein a bearing plate 5 is mounted on each U-shaped sliding block 4 through a first elastic component, a bayonet 13 penetrating through each U-shaped sliding block 4 is fixed on each bearing plate 5, and the bayonet 13 is matched with a bayonet 2 arranged on the bearing ring 1;
the bearing plate 5 is also rotatably provided with a clamping plate 6, the clamping plate 6 is slidably provided with a movable rod 3, and the movable rod 3 is unidirectionally limited through a limiting component arranged on the clamping plate 6;
the connector 17 is installed to the tip of movable rod 3, rotate on the connector 17 and install hook plate 18.
In the embodiment of the invention, the U-shaped sliding block 4 slides on the bearing ring 1, and the position is fixed through the clamping pin 13, so that the position of the drag hook structure is adjusted when the drag hook structure is used, different requirements are met, the arranged movable rod 3 can drive the hook plate 18 to move so as to realize skin dragging, the limiting is realized through the one-way limiting component, the adjustment is convenient, the practicability is strong, the hook plate 18 is rotatably arranged, the drag hook position can be attached according to the skin angle when the drag hook is pulled at different positions, and the skin is prevented from being damaged due to uneven stress.
Particularly, when needs carry out type U type slider 4 sliding adjustment, board 5 is accepted in the manual pulling, make bayonet lock 13 break away from draw-in groove 2, thereby realize type U type slider 4 and carry out position control, and realize the overall control on type U type slider 4 also, because cardboard 6 can rotate on accepting board 5, consequently, the position of hook plate 18 can be adjusted, in order to satisfy different pulling demands, arrange hook plate 18 in incision department, pulling movable rod 3 afterwards, cooperate spacing subassembly's effect, realize the rigidity after hook plate 18 adjusts.
As another embodiment of the present invention, the first elastic component includes at least two movable posts 16 fixed on the bearing plate 5 and an extending plate fixed on the U-like slider 4 and used for the movable posts 16 to slide through, the movable posts 16 are sleeved with first springs 8, and two ends of the first springs 8 are respectively connected with the extending plate and the ends of the movable posts 16.
Under initial condition, first spring 8 is in compression state for bayonet 13 card is gone into to provide pressure in the draw-in groove 2, ensures that bayonet 13 card goes into the stability of draw-in groove 2, when accepting board 5 and remove, can drive fixed column 16 and remove, thereby further extrudees first spring 8, when accepting board 5 and losing the power of dragging, bayonet 13 card is gone into other draw-in grooves 2 again under first spring 8's effect, realizes reseing.
In particular, the limit assembly comprises a plurality of first wedge-shaped latches 11 mounted equidistantly on the movable bar 3;
the clamp plate is characterized by further comprising a movable plate 7 movably connected with the clamp plate 6 through a second elastic component, and second wedge-shaped clamp teeth 14 matched with the first wedge-shaped clamp teeth 11 are fixed on one side, facing the movable rod 3, of the movable plate 7.
It should be noted that, when the movable rod 3 moves, the first wedge-shaped latch 11 presses the second wedge-shaped latch 14, so that the movable plate 7 moves toward a direction away from the clamping plate 6 under the action of the pressing force, and meanwhile, the movable rod 3 cannot move in the opposite direction under the action of the first wedge-shaped latch 11 and the second wedge-shaped latch 14.
Further, the second elastic component includes at least two fixed columns 12 fixed on the clamping plate 6 and a through slot arranged on the movable plate 7 and used for the fixed columns 12 to movably penetrate through, a second spring 15 is sleeved on the fixed columns 12, and two ends of the second spring 15 are respectively fixed with the movable plate 7 and the end of the fixed columns 12.
In an initial state, the second spring 15 is in a compressed state to generate a certain extrusion force on the movable plate 7, so that the second wedge-shaped latch 14 can realize one-way limiting on the first wedge-shaped latch 11, and the position of the movable rod 13 after adjustment is ensured to be fixed.
As another embodiment of the present invention, a sliding rod is fixed to one side of the connecting head 17 facing the movable rod 3, and the sliding rod penetrates through an extension block 22 arranged on the movable rod 3 and is fixed with a trigger 21;
the connector 17 is further connected with the extension block 22 through at least two third springs 23;
the extension block 22 is further provided with a touch switch 20, the touch switch 20 is connected with an illuminating lamp 19 arranged on the hook plate 18, and when the trigger 21 is in contact with the touch switch 20, the illuminating lamp 19 is powered on.
When using, when the movable rod 3 removes, because hook plate 18 and skin contact, make hook plate 18 receive reverse confining force, at this moment, the relative movable rod 3 of connector 17 produces the position, thereby extension spring 23, drive trigger 21 synchronous motion simultaneously, when trigger 21 and touch switch 20 contact, light 19 automatic switch-on is opened, degree of automation is high, when realizing dragging, light 19 is automatic to be opened, need not people manual control, after the drag hook finishes simultaneously, light 19 self-closing, convenient operation.
As another embodiment of the invention, the inner side of the U-shaped slider 4 is provided with an arc-shaped protrusion 9, and the arc-shaped protrusion 9 is in sliding fit with an annular groove 10 arranged on the receiving ring 1.
The sliding stability of the U-shaped slider 4 on the bearing ring 1 is ensured by the sliding fit of the arranged arc-shaped protrusion 9 and the annular groove 10.
As another embodiment of the present invention, an auxiliary device for orthopedic surgery is further provided, which includes the retractor structure and a supporting frame structure for fixing the receiving ring 1.
The support frame structure may be fixed on the operating bed by using a telescopic connecting rod in cooperation with a fixing rod, or may be directly installed on a support rod disposed on the ground, which is not particularly limited in the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A retractor structure, comprising:
the bearing ring comprises a bearing ring (1) and at least four U-shaped sliding blocks (4) which are slidably mounted on the bearing ring (1), wherein a bearing plate (5) is mounted on each U-shaped sliding block (4) through a first elastic assembly, a bayonet lock (13) penetrating through each U-shaped sliding block (4) is fixed on each bearing plate (5), and the bayonet lock (13) is matched with a clamping groove (2) formed in the bearing ring (1);
the bearing plate (5) is also rotatably provided with a clamping plate (6), the clamping plate (6) is slidably provided with a movable rod (3), and the movable rod (3) is limited in a one-way manner through a limiting component arranged on the clamping plate (6);
connector (17) are installed to the tip of movable rod (3), rotate on connector (17) and install hook plate (18).
2. The draw hook structure according to claim 1, wherein the first elastic assembly comprises at least two movable columns (16) fixed on the bearing plate (5) and an extension plate fixed on the U-shaped sliding block (4) and used for the movable columns (16) to slide through, the movable columns (16) are sleeved with first springs (8), and two ends of the first springs (8) are respectively connected with the extension plate and the ends of the movable columns (16).
3. A retractor structure according to claim 1 wherein said stop assembly comprises a plurality of first wedge-shaped latches (11) mounted equidistantly on said movable bar (3);
the clamp plate is characterized by further comprising a movable plate (7) movably connected with the clamp plate (6) through a second elastic component, and second wedge-shaped clamping teeth (14) matched with the first wedge-shaped clamping teeth (11) are fixed on one side, facing the movable rod (3), of the movable plate (7).
4. The retractor structure according to claim 3, wherein the second elastic assembly comprises at least two fixed posts (12) fixed on the clamping plate (6) and a through slot arranged on the movable plate (7) and used for the fixed posts (12) to movably penetrate through, a second spring (15) is sleeved on the fixed posts (12), and two ends of the second spring (15) are respectively fixed with the movable plate (7) and the end of the fixed posts (12).
5. A retractor structure according to claim 1, wherein a sliding rod is fixed on one side of the connecting head (17) facing the movable rod (3), the sliding rod penetrates through an extending block (22) arranged on the movable rod (3) and is fixed with a triggering piece (21);
the connecting head (17) is also connected with the extension block (22) through at least two third springs (23);
still install touch switch (20) on extension piece (22), touch switch (20) with install light (19) on hook plate (18) are connected, when trigger (21) with touch switch (20) contact, light (19) circular telegram.
6. A retractor structure according to claim 1, wherein the inside of the U-shaped slider (4) is provided with an arc-shaped protrusion (9), and the arc-shaped protrusion (9) is slidably fitted with an annular groove (10) provided on the receiving ring (1).
7. An orthopaedic auxiliary device, characterized in that it comprises a retractor structure according to any of claims 1 to 6 and a support frame structure for fixing the support ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478856.6A CN114795315A (en) | 2021-12-06 | 2021-12-06 | Drag hook structure and auxiliary assembly for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478856.6A CN114795315A (en) | 2021-12-06 | 2021-12-06 | Drag hook structure and auxiliary assembly for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114795315A true CN114795315A (en) | 2022-07-29 |
Family
ID=82526534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111478856.6A Pending CN114795315A (en) | 2021-12-06 | 2021-12-06 | Drag hook structure and auxiliary assembly for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114795315A (en) |
-
2021
- 2021-12-06 CN CN202111478856.6A patent/CN114795315A/en active Pending
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