CN114041838A - Sternum opening device for cardiac surgery - Google Patents
Sternum opening device for cardiac surgery Download PDFInfo
- Publication number
- CN114041838A CN114041838A CN202111362311.9A CN202111362311A CN114041838A CN 114041838 A CN114041838 A CN 114041838A CN 202111362311 A CN202111362311 A CN 202111362311A CN 114041838 A CN114041838 A CN 114041838A
- Authority
- CN
- China
- Prior art keywords
- plate
- blocks
- fixedly connected
- cardiac surgery
- distraction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A61B2017/0237—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for heart surgery
Abstract
A sternum distraction device for cardiac surgery relates to the technical field of medical equipment, wherein an adjusting mechanism is arranged on a deformation end of a distraction plate, through grooves which are arranged at equal intervals are arranged on the deformation end of the distraction plate, and an insertion plate is arranged in each through groove; according to the sternum distraction device for cardiac surgery, the extension quantity of the insertion plates is adjusted according to the size of a surgical wound, so that the insertion plates corresponding to the surgical wound are inserted, the insertion plates deform after being inserted into the surgical wound, the skin at the position of the surgical wound is fixed, the sternum distraction device for cardiac surgery is prevented from being separated from the surgical wound, the distraction plates are driven to move by the adjusting mechanism, the insertion plates are driven to move by the distraction plates, the surgical wound is distracted, the distraction size of the surgical wound can be adjusted according to surgical needs, and after adjustment is finished, the adjusting mechanisms are disassembled and rotated to be positioned at the two sides of the distraction plates, so that the adjusting mechanisms are prevented from influencing the operation of medical staff.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a sternum distraction device for cardiac surgery.
Background
The sternum distraction device is characterized in that a patient needs to be distracted for operation during cardiac surgery, the existing sternum distraction device is distracted and limited through a rack, the teeth on the rack are relatively large in distance, when the sternum distraction is too large, an operation wound on the patient can be torn again, unnecessary secondary injury is caused, when the sternum is distracted too small, operation of medical staff is inconvenient, meanwhile, when an insertion end on the existing sternum distraction device is arc-shaped, the medical staff cannot conveniently insert the sternum distraction device into the operation wound, if the insertion end on the sternum distraction device is straight-plate-shaped, the sternum distraction device is conveniently inserted into the operation wound, the position of the operation wound cannot be well fixed, the phenomenon of slippage can occur, and normal operation of the operation is affected.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a sternum distraction device for cardiac surgery, which adjusts the extending quantity of insertion plates through the size of a surgical wound, so that the insertion plates corresponding to the surgical wound are inserted, the insertion plates deform after being inserted into the surgical wound, the skin at the position of the surgical wound is fixed, the sternum distraction device for cardiac surgery is prevented from being separated from the surgical wound, the distraction plates are driven by an adjusting mechanism to move, the insertion plates are driven by the distraction plates to move, the surgical wound is distracted, the distraction size of the surgical wound can be adjusted according to the surgical needs, and after the adjustment is finished, the adjusting mechanism is disassembled to rotate, so that the adjusting mechanism is positioned at the two sides of the distraction plates, and the adjusting mechanism is prevented from influencing the operation of medical personnel.
In order to realize the purpose, the invention adopts the following technical scheme:
the utility model provides a sternum distraction device for cardiac surgery, includes the distraction board, the deformation of distraction board is served and is installed adjustment mechanism, the deformation of distraction board is served and is equipped with the logical groove that the equidistance was arranged, it inserts the board to install in the logical inslot.
The opening plate comprises connecting blocks, connecting belts and adjusting blocks, the number of the connecting blocks is two, two sets of connecting belts are fixedly connected between the two connecting blocks, the number of each connecting belt is two, the adjusting blocks are fixedly connected with the connecting belts in equal distance and arranged on the two connecting belts, the adjusting blocks are provided with through grooves, and adjusting mechanisms are arranged on the two adjusting blocks in the middle of the adjusting blocks.
The position of the central axis of the adjusting mechanism coincides with the position of the central axis of the opening plate.
The adjusting mechanism comprises connecting frames, a first multi-stage telescopic rod, a rotating block, a screw rod, a second multi-stage telescopic rod, threaded connecting blocks, arc clamping plates, a shifting block, arc limiting plates and clamping frames, the number of the connecting frames is two, the number of each group of connecting frames is two, the two groups of connecting frames are respectively positioned at two sides of the deformation end of each expanding plate and fixedly connected with each other, the rotating block is rotationally connected with the connecting frames, the first multi-stage telescopic rod is fixedly connected with the rotating block, the threaded connecting blocks are fixedly connected with the telescopic end of the first multi-stage telescopic rod, the two threaded connecting blocks are mutually clamped, mounting grooves are formed in the threaded connecting blocks, the second multi-stage telescopic rod is mounted in the mounting grooves, the clamping frames are fixedly connected with the telescopic end of the second multi-stage telescopic rod, and the clamping frames are positioned between the threaded connecting blocks at two sides and are in contact connection, both sides difference fixedly connected with arc joint board in the joint frame, arc joint board and group piece sliding connection stir, on two group pieces respectively fixedly connected with screw rod, and two group stick each other between the piece, the both ends of screw rod are connected with the threaded connection piece respectively, and on two group pieces respectively sliding connection has the arc limiting plate, the arc limiting plate is located joint frame and fixed connection.
The screw threads at the two ends of the screw rod are opposite.
Insert the board and include plate body, returning face plate, driving plate, link and slurcam, the plate body is located to stretch out the logical inslot and sliding connection that the board deformation served, be equipped with the spout on the plate body and buckle the groove, and buckle groove and spout intercommunication, sliding connection has the slurcam in the spout, the slurcam passes through the link and is connected with the driving plate, the one end and the returning face plate swing joint of driving plate, the both sides of returning face plate are equipped with the spacing groove respectively, fixedly connected with gag lever post respectively on the cell wall of groove both sides of buckling, the one end of gag lever post is located spacing inslot and sliding connection.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the sternum distraction device for cardiac surgery, the extension quantity of the insertion plates is adjusted according to the size of a surgical wound, so that the insertion plates corresponding to the surgical wound are inserted, the insertion plates deform after being inserted into the surgical wound, the skin at the position of the surgical wound is fixed, the sternum distraction device for cardiac surgery is prevented from being separated from the surgical wound, the distraction plates are driven to move by the adjusting mechanism, the insertion plates are driven to move by the distraction plates, the surgical wound is distracted, the distraction size of the surgical wound can be adjusted according to surgical needs, and after adjustment is finished, the adjusting mechanisms are disassembled and rotated to be positioned at the two sides of the distraction plates, so that the adjusting mechanisms are prevented from influencing the operation of medical staff.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A of the present invention;
1. a spreader plate; 101. connecting blocks; 102. a connecting belt; 103. an adjusting block; 2. an insert plate; 201. a plate body; 202. a turnover plate; 203. a drive plate; 204. a connecting frame; 205. a push plate; 3. an adjustment mechanism; 301. a connecting frame; 302. a first multi-stage telescopic rod; 303. rotating the block; 304. a screw; 305. a second multi-stage telescopic rod; 306. a threaded connection block; 307. an arc-shaped clamping and connecting plate; 308. a shifting block; 309. an arc limiting plate; 310. a clamping frame.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
The sternum distraction device for cardiac surgery, which is described in conjunction with the attached drawings 1-4, comprises a distraction plate 1, wherein an adjusting mechanism 3 is installed on a deformation end of the distraction plate 1, the distraction plate 1 is driven by the adjusting mechanism 3 to deform, through grooves arranged at equal intervals are formed in the deformation end of the distraction plate 1, an insertion plate 2 is installed in each through groove, and the sternum distraction device is inserted into a surgical wound through the insertion plate 2 and fixes the skin near the surgical wound.
The opening plate 1 comprises connecting blocks 101, connecting bands 102 and adjusting blocks 103, the number of the connecting blocks 101 is two, two sets of connecting bands 102 fixedly connected between the two connecting blocks 101, the number of each connecting band 102 is two, the adjusting blocks 103 fixedly connected with in the two connecting bands 102 are arranged at equal intervals, through grooves are formed in the adjusting blocks 103, and adjusting mechanisms 3 are installed on the two adjusting blocks 103 in the middle of the adjusting blocks.
The position of the central axis of the adjusting mechanism 3 coincides with the position of the central axis of the opening plate 1, and the adjusting mechanism 3 drives the central position of the opening plate 1 to be opened outwards, so that the opening plate 1 is opened circularly.
The adjusting mechanism 3 comprises a connecting frame 301, a first multi-stage telescopic rod 302, a rotating block 303, a screw 304, a second multi-stage telescopic rod 305, two threaded connection blocks 306, an arc clamping plate 307, a poking block 308, an arc limiting plate 309 and a clamping frame 310, wherein the number of the connecting frame 301 is two, the number of each connecting frame 301 is two, the two connecting frames 301 are respectively positioned at two sides of the deformation end of the opening plate 1 and fixedly connected, the rotating block 303 is rotationally connected with the connecting frame 301, the first multi-stage telescopic rod 302 is fixedly connected with the rotating block 303, the telescopic end of the first multi-stage telescopic rod 302 is fixedly connected with the threaded connection blocks 306, the two threaded connection blocks 306 are mutually clamped, a mounting groove is arranged on the threaded connection blocks 306, the second multi-stage telescopic rod 305 is mounted in the mounting groove, the telescopic end of the second multi-stage telescopic rod 305 is fixedly connected with the clamping frame 310, and joint frame 310 is located between the threaded connection piece 306 of both sides and the contact is connected, both sides difference fixedly connected with arc joint board 307 in the joint frame 310, arc joint board 307 with dial piece 308 sliding connection, on two dial pieces 308 respectively fixedly connected with screw rod 304, and two stir and to link each other between the piece 308, the both ends of screw rod 304 are connected with threaded connection piece 306 respectively, and sliding connection has arc limiting plate 309 on two dial pieces 308 respectively, arc limiting plate 309 is located joint frame 310 and fixed connection.
The threads at the two ends of the screw rod 304 are opposite, and the screw rod 304 drives the threaded connecting blocks 306 at the two ends to move inwards or outwards simultaneously.
Insert board 2 and include plate body 201, returning face plate 202, driving plate 203, link 204 and slurcam 205, plate body 201 is located and props up 1 deformation of board and holds logical inslot and sliding connection, be equipped with spout and bending groove on the plate body 201, and bending groove and spout intercommunication, sliding connection has slurcam 205 in the spout, slurcam 205 is connected with driving plate 203 through link 204, the one end and the returning face plate 202 swing joint of driving plate 203, the both sides of returning face plate 202 are equipped with the spacing groove respectively, fixedly connected with gag lever post respectively on the cell wall of bending groove both sides, the one end of gag lever post is located spacing inslot and sliding connection.
When the sternum distraction device for cardiac surgery is used, medical staff aligns the distraction plate 1 at the position of an operation wound on a patient, adjusts the insertion plate 2 according to the size of the operation wound, enables the redundant insertion plate 2 to shrink into the through groove on the adjusting block 103, inserts the insertion plate 2 aligned with the operation wound into the operation wound, presses the push plate 205, drives the transmission plate 203 to move through the push plate 205, drives the turnover plate 202 to move through the transmission plate 203, limits the moving track of the turnover plate 202 through the limiting rod, enables the turnover plate 202 to extend out of the plate body 201, changes the insertion plate 2 into an L-shaped plate, clamps the skin at the position of the operation wound, avoids the sternum distraction device for cardiac surgery from the operation wound during the operation, rotates the poking block 308, drives the screw 304 to rotate through the poking block 308, the threaded connection block 306 driving two ends to move outwards simultaneously through the screw 304 drives the adjusting block 103 to move through the first multi-stage telescopic rod 302, the inserting plate 2 fixed with skin is driven to move through the adjusting block 103, the operation wound is unfolded, after the adjusting block is unfolded to a proper position, medical personnel separate two poking blocks 308, after the two poking blocks 308 are separated, the positions of the poking blocks 308 are limited through an arc clamping plate 307 and an arc limiting plate 309, the poking blocks 308 are prevented from being separated from the clamping frame 310, the two poking blocks 308 after being separated are pulled through the clamping frame 310, the clamping frame 310 is enabled to move to two sides of the unfolding plate 1 and rotate, the separated clamping frame 310 is enabled to be level with the unfolding plate 1, and the situation that the adjusting mechanism 3 influences the operation of the medical personnel is avoided.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A sternal distraction device for cardiac surgery, comprising a distraction plate (1), characterized in that: the deformation of expanding plate (1) is served and is installed adjustment mechanism (3), the deformation of expanding plate (1) is served and is equipped with the logical groove that the equidistance was arranged, it inserts board (2) to install in the logical inslot.
2. The sternal distraction device of cardiac surgery of claim 1, wherein: the opening plate (1) comprises connecting blocks (101), connecting bands (102) and adjusting blocks (103), the number of the connecting blocks (101) is two, two sets of connecting bands (102) of the fixedly connected with are arranged between the two connecting blocks (101), the number of each set of connecting bands (102) is two, the adjusting blocks (103) which are arranged at equal intervals of the fixedly connected with are arranged on the two connecting bands (102), through grooves are formed in the adjusting blocks (103), and adjusting mechanisms (3) are installed on the two adjusting blocks (103) in the middle of the adjusting blocks.
3. The sternal distraction device of cardiac surgery of claim 1, wherein: the position of the central axis of the adjusting mechanism (3) is coincided with the position of the central axis of the opening plate (1).
4. The sternal distraction device of cardiac surgery of claim 1, wherein: the adjusting mechanism (3) comprises a connecting frame (301), a first multi-stage telescopic rod (302), a rotating block (303), a screw rod (304), a second multi-stage telescopic rod (305), threaded connection blocks (306), arc clamping plates (307), a shifting block (308), arc limiting plates (309) and clamping frames (310), the number of the connecting frame (301) is two, the number of each connecting frame (301) is two, the two connecting frames (301) are respectively positioned at two sides of the deformation end of the opening plate (1) and fixedly connected, the rotating block (303) is rotationally connected in the connecting frame (301), the first multi-stage telescopic rod (302) is fixedly connected on the rotating block (303), the threaded connection blocks (306) are fixedly connected on the telescopic end of the first multi-stage telescopic rod (302), the two threaded connection blocks (306) are mutually clamped, a mounting groove is formed in the threaded connection blocks (306), install second multi-stage telescopic pole (305) in the mounting groove, fixedly connected with joint frame (310) is served in the flexible of second multi-stage telescopic pole (305), and joint frame (310) is located between threaded connection piece (306) of both sides and the contact is connected, both sides difference fixedly connected with arc joint board (307) in joint frame (310), arc joint board (307) with dial piece (308) sliding connection, on two pieces of dialling (308) respectively fixedly connected with screw rod (304), and two mutual adhesion between the piece (308) of dialling, the both ends of screw rod (304) are connected with threaded connection piece (306) respectively, and sliding connection has arc limiting plate (309) respectively on two pieces of dialling (308), arc limiting plate (309) are located joint frame (310) and fixed connection.
5. The sternal distraction device of cardiac surgery of claim 4, wherein: the threads at the two ends of the screw rod (304) are opposite.
6. The sternal distraction device of cardiac surgery of claim 1, wherein: insert board (2) including plate body (201), returning face plate (202), driving plate (203), link (204) and slurcam (205), plate body (201) are located to prop open logical inslot and sliding connection that board (1) deformation was served, be equipped with spout and bending groove on plate body (201), and bending groove and spout intercommunication, sliding connection has slurcam (205) in the spout, slurcam (205) are connected with driving plate (203) through link (204), the one end and returning face plate (202) swing joint of driving plate (203), the both sides of returning face plate (202) are equipped with the spacing groove respectively, fixedly connected with gag lever post respectively on the cell wall of bending groove both sides, the one end of gag lever post is located spacing inslot and sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362311.9A CN114041838B (en) | 2021-11-17 | 2021-11-17 | Sternum opening device for cardiac surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362311.9A CN114041838B (en) | 2021-11-17 | 2021-11-17 | Sternum opening device for cardiac surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114041838A true CN114041838A (en) | 2022-02-15 |
| CN114041838B CN114041838B (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111362311.9A Active CN114041838B (en) | 2021-11-17 | 2021-11-17 | Sternum opening device for cardiac surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114041838B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788717A (en) * | 2022-06-23 | 2022-07-26 | 中南大学湘雅医院 | Sternum spreader for cardiac surgery clinic |
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| CN113288250A (en) * | 2021-06-11 | 2021-08-24 | 中南大学湘雅二医院 | A strut fixer for kidney transplantation operation |
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| US20180085107A1 (en) * | 2016-09-27 | 2018-03-29 | Ethicon, Inc. | Surgical retraction systems including sternal retractors and hemostatic inserts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788717A (en) * | 2022-06-23 | 2022-07-26 | 中南大学湘雅医院 | Sternum spreader for cardiac surgery clinic |
| CN114788717B (en) * | 2022-06-23 | 2022-09-09 | 中南大学湘雅医院 | Sternum spreader for clinical cardiac surgery |
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| Publication number | Publication date |
|---|---|
| CN114041838B (en) | 2022-09-09 |
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