CN109464170A - A kind of left auricle of heart drag hook and mitral valve surgery accessory part - Google Patents
A kind of left auricle of heart drag hook and mitral valve surgery accessory part Download PDFInfo
- Publication number
- CN109464170A CN109464170A CN201811548973.3A CN201811548973A CN109464170A CN 109464170 A CN109464170 A CN 109464170A CN 201811548973 A CN201811548973 A CN 201811548973A CN 109464170 A CN109464170 A CN 109464170A
- Authority
- CN
- China
- Prior art keywords
- boom
- drag hook
- left auricle
- connecting rod
- heart
- Prior art date
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
The present invention relates to a kind of left auricle of heart drag hook and mitral valve surgery accessory parts, including pedestal, the pedestal and boom structure one end are rotatablely connected, the boom structure is made of the rotation connection of more piece boom, angle between adjacent boom is adjustable, it is locked between boom and pedestal and adjacent boom using the first locking member, the boom structure other end is connected with connector, the connector and boom are coaxially connected, connector can be rotated around boom axis connected to it, and it is locked using the second locking member, the connector connects connecting rod one end, the connecting rod other end is connected with hook structure, the present invention can make mitral valve position in surgical procedure shoal, facilitate surgical procedure.
Description
Technical field
The present invention relates to Surigical tool technical fields, and in particular to a kind of left auricle of heart drag hook and mitral valve surgery are with auxiliary
Help component.
Background technique
Currently, heart mitral valve surgery has become the routine operation of department of cardiac surgery.Amount for surgical is huge, estimates that the whole nation is annual
More than 50,000.
But mitral valve surgery either which kind of notch approach all suffers from a kind of identical problem: mitral valve position is deeply, no
Easily appear.The drag hook design concept clinically applied at present, which rests on realization and struts atrium sinistrum and push up, appears bicuspid valve, nothing
Method accomplishes that bicuspid valve is made to shoal, in favor of operator's operation.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, providing a kind of left auricle of heart drag hook, can make to perform the operation
Mitral position shoals in the process, facilitates surgical procedure.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of left auricle of heart drag hook, including pedestal, the pedestal and boom structure one end are rotatablely connected, the boom structure by
The rotation connection of more piece boom is constituted, and the angle between adjacent boom is adjustable, can benefit between boom and pedestal and adjacent boom
It is locked with the first locking member, the boom structure other end is connected with connector, and the connector and boom are coaxially connected, connection
Head can be rotated around boom axis connected to it, and be locked using the second locking member, and the connector connects connecting rod
One end, the connecting rod other end are connected with hook structure.
Further, the pedestal includes fixed plate, and the fixed plate bottom is equipped with fixed structure, for carrying out to pedestal
Fixed, the top surface of fixed plate is equipped with U-shaped rotation connection seat, and the rotation connection seat includes two connecting plates, one of to connect
The medial surface of fishplate bar is equipped with the first laciniation of annular.
Further, the fixed structure includes the first notch for being fixed on fixed plate bottom end, fixed plate bottom
Portion's other end is connected with the second notch to match with the first notch, the second notch top by spring
Equipped with guide part, the guide part passes through the sliding slot being arranged in fixed plate, is oriented to for the movement to the second notch.
Further, the boom structure includes the head end boom for connecting with pedestal, for what is connect with connector
End boom and at least section centre boom between head end boom and end boom.
Further, the head end boom is identical as the intermediate structure of boom, and one end is equipped with to match with rotation connection seat
Interconnecting piece, the other end is equipped with the card slot that matches with interconnecting piece, and one side end face of interconnecting piece is equipped with and the first zigzag knot
The second laciniation that structure matches, the ipsilateral groove face of the card slot are equipped with the third to match with the second laciniation and saw
Dentalation, first locking member use fixing bolt and fixture nut, and the fixing bolt is used for across head end boom
Interconnecting piece and the card slot portion of interconnecting piece and rotation connection seat or adjacent intermediate boom, the fixture nut is for being tightened on fixed spiral shell
On bolt, the first laciniation and the second laciniation or the second laciniation and third laciniation are compressed, it is real
Existing head end boom and the locking for being rotatablely connected seat, adjacent intermediate boom.
Further, end boom one end is equipped with interconnecting piece identical with head end boom or intermediate boom structure, separately
One end is equipped with threaded connection hole.
Further, one side end of connector is equipped with the screw thread rod segment to match with the threaded connection hole, is used for
It is connect with end boom, connector is additionally provided with connecting rod card slot, and connecting rod card slot surface is equipped with the first dentalation, the connecting rod
Card slot can lock connecting rod by third locking member for being clamped connecting rod, and second locking member uses locking nut,
The locking nut is for being tightened on screw thread rod segment.
Further, the connecting rod external peripheral surface has the second dentation knot to match with first dentalation
Structure, connecting rod one end are fixed with handle, and the other end is threaded with the baffle of arc, drag hook knot has been plugged and fixed on the baffle
Structure, the third locking member use lock-screw, for compressing the second dentalation and the first dentalation.
Further, the hook structure includes interconnecting piece and retractor head, and the interconnecting piece is L-type structure, with the gear
Connection is plugged and fixed in plate, and the retractor head is chondritic.
The invention discloses a kind of mitral valve surgery accessory parts, draw including sternum retractor and the left auricle of heart
Hook, for retracting breastbone, the left auricle of heart drag hook can be fixedly connected by pedestal with sternum retractor the sternum retractor.
Beneficial effects of the present invention:
1. left auricle of heart drag hook of the invention, can be used cooperatively, during mitral valve surgery by pedestal and sternum retractor
Left room top can be not only strutted by baffle, but also can use hook structure drawing left auricle of heart, drive bicuspid valve to surgical procedure
Personnel are mobile, so that mitral valve position is shoaled, facilitate the surgical procedure of operating theatre staff.
2. left auricle of heart drag hook of the invention, easy to disassemble and assembling, operate and easy to assembly, convenient for disinfection.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is left auricle of heart drag hook overall structure diagram of the present invention；
Fig. 2 is understructure schematic front view of the present invention；
Fig. 3 is head end boom schematic front view of the present invention；
Fig. 4 is head end boom schematic side view of the present invention；
Fig. 5 is end boom of the present invention and connector assembling schematic diagram；
Fig. 6 is connecting rod of the present invention and baffle and hook structure assembling schematic diagram；
Fig. 7 is the A of Fig. 6 of the present invention to schematic diagram；
Fig. 8 is hook structure schematic diagram of the present invention；
Fig. 9 is mitral valve surgery accessory part schematic diagram of the present invention；
Figure 10 is operation principle schematic diagram of the present invention；
Wherein, 1. fixed plate, 2. first notchs, 3. second notchs, 4. springs, 5. side plates, 6. guider screws,
7. sliding slot, 8. connecting plates, the first mounting hole of 8-1., 9. head end booms, 9-1. interconnecting piece, 9-2. card slot, the second mounting hole of 9-3.,
The second laciniation of 9-4., 9-5. third mounting hole, 9-6. third laciniation, 10. intermediate booms, 11. fixing bolts,
12. end boom, 13. connectors, 13-1. screw thread rod segment, 13-2. handle card slot, the first dentalation of 13-3., 14. locking screws
Mother, 15. connecting rods, the second dentalation of 15-1., 15-2. handle, 16. fixing screws, 17. baffles, 17-1. grafting block, 18. draw
Hook structure, 18-1. plugboard, 18-2. drag hook connecting rod, 18-3. inserting groove, 18-4. retractor head, 19. sternum retractors, 20.
Left auricle of heart.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, during existing mitral valve surgery, mitral position is deeper, is not easy to show
Dew, portion facilitates the surgical procedure of surgical staff, in view of the above-mentioned problems, present applicant proposes a kind of left auricle of heart drag hooks.
In a kind of exemplary embodiment of the application, as shown in figures 1-8, a kind of left auricle of heart drag hook, including pedestal, the bottom
Seat and the rotation connection of one end of boom structure, the boom other end are connected with connector, the boom structure by head end boom,
Boom and end boom are constituted among one section, and the head end boom is connect with base rotation, intermediate boom one end and head end boom
Rotation connection, the other end and minor details boom one end are rotatablely connected, and the other end and connector of minor details boom are coaxially connected, the head
It holds the angle between boom and pedestal, head end boom and intermediate boom, intermediate boom and end boom adjustable, and can lead to
It crosses the first locking member to be locked, the connector can be rotated around the axis of end boom and connector, and can use second
Locking member is locked, and the connector is connected with connecting rod, and the connecting rod can be rotated around the axis of connecting rod itself, and using the
Three locking members are locked, and the interlinking lever end is connected with hook structure, and the hook structure is for pulling left auricle of heart.
The pedestal includes fixed plate 1, and the fixed plate bottom surface is equipped with fixed structure, and the fixed structure is used for the left heart
Ear drag hook is connect with sternum retractor, the fixed structure include be arranged in fixed plate bottom surface one end with sternum retractor phase
Matched first notch 2, first notch are fixedly connected with fixed plate, and the fixed plate bottom surface other end is equipped with
The second notch 3 to match with the first notch, there are two symmetrically arranged springs 4 for the second notch connection
One end, the other end of spring is fixedly connected with the side plate 5 for being fixed on fixed plate end, and the top of second notch is solid
Surely there is guide part, the guide part uses guider screw 6, and the guider screw passes through the sliding slot 7 being arranged in fixed plate, to second
The movement of notch is oriented to, while operator being facilitated to move using guider screw to the second notch.
The top surface of the fixed plate is equipped with rotation connection seat, and the rotation connection seat is U-shaped structure, including two connecting plates
8, two connecting plates are equipped with the first concentric mounting hole 8-1, and the inner surface of one of connecting plate is equipped with the first of annular
Laciniation, first laciniation are distributed in the first mounting hole periphery.
The head end boom 9 is identical as the intermediate structure of boom 10, is cylindrical structure, one end of cylindrical structure is equipped with
The U-shaped structure of interconnecting piece 9-1, the interconnecting piece and rotation connection seat match, and can be inserted into two connecting plates of rotation connection seat
Between, the other end of cylindrical structure is equipped with the card slot 9-2 to match with interconnecting piece, and the interconnecting piece of the intermediate boom can be inserted into
In the card slot of head end boom, the interconnecting piece is equipped with the second mounting hole 9-3 to match with the first mounting hole, one side end face
It is equipped with the second laciniation 9-4 to match with the first laciniation, the card slot is U-shaped card slot, and the card slot is set
There is the third mounting hole 9-5 to match with the second mounting hole, the card slot is located at and end face where the second laciniation
Ipsilateral medial surface is equipped with the third laciniation 9-6 to match with the second laciniation.First locking member uses
Fixing bolt 11 and fixture nut, when assembling, the interconnecting piece of head end boom is inserted between two connecting plates, and the first zigzag
Structure and the second laciniation are located at the same side, pass through fixing bolt, fixture nut in the first mounting hole and the second mounting hole
It is connected on fixing bolt, adjusts the angle of head end boom and fixed plate, after the completion of adjusting, turn fixture nut makes fixed spiral shell
It is female to squeeze two connecting plates with fixing bolt, it is pressed into contact with the first laciniation and the second laciniation, realizes head
Hold the locking of boom and pedestal, the card slot of the interconnecting piece insertion head end boom of the intermediate boom, fixture nut and fixing bolt
Intermediate boom and head end boom are locked using identical assemble method.
The shape and size of the head end boom and intermediate boom should meet maximum rotation angle of the head end boom with respect to pedestal
Degree is not less than 200 °, and the relative rotation maximum angle of intermediate boom and head end boom is not less than 320 °, when meeting actual operation
To the demand that hook structure position is adjusted, maximum rotation angle can be can be realized by simple size design, herein not
It is described in detail.
The end boom 12 is cylindrical structure, and one end is equipped with company identical with head end boom and intermediate boom structure
Socket part, the other end are equipped with threaded connection hole, and the interconnecting piece of the end boom is hung using fixing bolt and fixture nut and centre
The card slot of arm locks connection.
The connector 13 is cylindrical structure, and one end of the connector is equipped with the threaded connection hole phase with end boom
Matched screw thread rod segment 13-1, connector can be threadedly coupled by screw thread rod segment with end boom, and second locking member uses
Locking nut 14, the locking nut are tightened in the screw thread rod segment, and turn locking nut makes locking nut and end boom
End face be in close contact, then screw thread rod segment can not continue screw in threaded hole, realize the locking of connector Yu end boom, it is described
Connector is equipped with connecting rod card slot 13-2, and the groove face of the connecting rod card slot is equipped with the first dentalation 13-3 of arc, described
For connecting rod card slot for being clamped connecting rod 15, the end that the connector is located at screw thread rod segment opposite side is connected with third locking member, described
Third locking member uses fixing screws 16, can be pressed on connecting rod on the groove face of connecting rod card slot using fixing screws.
The connecting rod is cylindrical bar, and circumferential surface is equipped with the second dentalation 15- to match with the first dentalation
1, the second dentation result of connecting rod is caught in the first dentalation, and is compressed using fixing screws, it can be achieved that connecting rod and connector
Locking, one end of the connecting rod is equipped with handle 15-2, and the grip surface has anti-skid chequer, for facilitating operating theatre staff
Pivot link, the other end of the connecting rod are threaded with one end of the baffle 17 of arc, and the curved baffle is for strutting the heart
Various sizes of baffle can be used according to the different situations of patient in dirty left room top, and the other end of the baffle is connected with drag hook
Structure.Unclamp fixing screws, pivot link, then again with fixing screws fastening, it can be achieved that the adjusting of baffle angle.The baffle
One end for connecting drag hook is equipped with grafting block 17-1, realizes the plug connection with hook structure by grafting block.
The hook structure 18 is L-type structure, including interconnecting piece and retractor head, the interconnecting piece include plugboard 18-1 and
The retractor head connecting rod 18-2 of L-type, the plugboard are equipped with the inserting groove 18-3 to match with grafting block, and plugboard is by inserting
It connects block and inserting groove realization is connect with being plugged and fixed for baffle, existing scalpel blade and knife handle can be used in this inserting mode
Inserting mode, therefore the shape of inserting groove and grafting block is herein without describing in detail, retractor head connecting rod one end and is inserted
Fishplate bar is fixedly connected, and the other end is fixed with retractor head 18-4, and the retractor head is chondritic, is connect with left auricle of heart by spherical surface
Touching, facilitates retractor head to slide into left auricle of heart, and prevents it from tearing left auricle of heart.
The invention also discloses a kind of mitral valve surgery accessory parts, as shown in figure 9, including sternum retractor 19 and institute
The left auricle of heart drag hook stated, the left auricle of heart drag hook can be retracted by the first notch of pedestal and the second notch and breastbone
Device is fixedly connected.
Mitral valve surgery accessory part of the invention is in use, as shown in Figure 10, pass through the first card for left auricle of heart drag hook
Slot structure and the second notch are fixed on sternum retractor, left auricle of heart drag hook can be fixed on breastbone according to the actual situation and led
The different location of device is opened, suspension arm mechanism and connecting rod is operated, so that baffle is strutted left room top, the retractor head of hook structure hooks left auricle of heart
20, can constantly regulate in operating process head end boom and pedestal angle, intermediate boom and head end boom angle, end boom and in
Between boom angle, link angle and baffle angle, so that baffle is smoothly strutted left room top, retractor head smoothly hooks left auricle of heart part,
After drag hook hooks left auricle of heart part, suspension arm mechanism is adjusted, left auricle of heart is pulled to the direction of operating theatre staff, drives bicuspid valve
Position shoal, drawing to after suitable position, by head end boom and pedestal, intermediate boom and head end boom, end boom and in
Between boom, connecting rod locked, fix it, then bicuspid valve can be operated.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of left auricle of heart drag hook, which is characterized in that including pedestal, the pedestal and boom structure one end are rotatablely connected, described
Boom structure is made of the rotation connection of more piece boom, and the angle between adjacent boom is adjustable, boom and pedestal and adjacent is hung
It is locked between arm using the first locking member, the boom structure other end is connected with connector, and the connector and boom are same
Axis connection, connector can be rotated around boom axis connected to it, and be locked using the second locking member, the connection
Head connection connecting rod one end, the connecting rod other end are connected with hook structure.
2. a kind of left auricle of heart drag hook as described in claim 1, which is characterized in that the pedestal includes fixed plate, the fixation
Board bottom portion is equipped with fixed structure, and for pedestal to be fixed, the top surface of fixed plate is equipped with U-shaped rotation connection seat, and described turn
Dynamic attachment base includes two connecting plates, and the medial surface of one of connecting plate is equipped with the first laciniation of annular.
3. a kind of left auricle of heart drag hook as claimed in claim 2, which is characterized in that the fixed structure includes being fixed on fixed plate
First notch of bottom end, the fixed plate bottom other end are connected with match with the first notch by spring
Two draw-in groove structure, the second notch top are equipped with guide part, and the guide part passes through the sliding slot being arranged in fixed plate, uses
It is oriented in the movement to the second notch.
4. a kind of left auricle of heart drag hook as claimed in claim 2, which is characterized in that the boom structure includes for connecting with pedestal
The head end boom connect, the end boom for being connect with connector and at least section between head end boom and end boom
Intermediate boom.
5. a kind of left auricle of heart drag hook as claimed in claim 4, which is characterized in that the structure of the head end boom and intermediate boom
Identical, one end is equipped with the interconnecting piece to match with rotation connection seat, and the other end is equipped with the card slot to match with interconnecting piece, the company
One side end face of socket part is equipped with the second laciniation to match with the first laciniation, and the ipsilateral groove face of the card slot is equipped with
The third laciniation to match with the second laciniation, first locking member use fixing bolt and fixture nut,
The fixing bolt is used for the interconnecting piece and card slot of interconnecting piece and rotation connection seat or adjacent intermediate boom across head end boom
Portion, the fixture nut saw the first laciniation and the second laciniation or second for being tightened on fixing bolt
Dentalation and third laciniation compress.
6. a kind of left auricle of heart drag hook as claimed in claim 5, which is characterized in that end boom one end is equipped with and hangs with head end
Arm or the identical interconnecting piece of intermediate boom structure, the other end are equipped with threaded connection hole.
7. a kind of left auricle of heart drag hook as claimed in claim 6, which is characterized in that one side end of connector be equipped with it is described
The screw thread rod segment that threaded connection hole matches, for connecting with end boom, connector is additionally provided with connecting rod card slot, the connecting rod card
Rooved face is equipped with the first dentalation, and the connecting rod card slot can carry out connecting rod by third locking member for being clamped connecting rod
Locking, second locking member use locking nut, and the locking nut is for being tightened on screw thread rod segment.
8. a kind of left auricle of heart drag hook as claimed in claim 7, which is characterized in that the connecting rod external peripheral surface have with it is described
The second dentalation that first dentalation matches, connecting rod one end are fixed with handle, and the other end is threaded with the gear of arc
Hook structure has been plugged and fixed on the baffle for plate, and the third locking member uses lock-screw, for by the second dentalation
It is compressed with the first dentalation.
9. a kind of left auricle of heart drag hook as claimed in claim 8, which is characterized in that the hook structure includes interconnecting piece and drag hook
Head, the interconnecting piece are L-type structure, are plugged and fixed and connect with the baffle, and the retractor head is chondritic.
10. a kind of mitral valve surgery auxiliary component, it is characterised in that including any one of sternum retractor and claim 1-9 institute
The left auricle of heart drag hook stated, the sternum retractor can be retracted for retracting breastbone, the left auricle of heart drag hook by pedestal and breastbone
Device is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548973.3A CN109464170B (en) | 2018-12-18 | 2018-12-18 | Left auricle drag hook and mitral valve operation are with auxiliary assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548973.3A CN109464170B (en) | 2018-12-18 | 2018-12-18 | Left auricle drag hook and mitral valve operation are with auxiliary assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109464170A true CN109464170A (en) | 2019-03-15 |
| CN109464170B CN109464170B (en) | 2020-09-15 |
Family
ID=65676366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811548973.3A Active CN109464170B (en) | 2018-12-18 | 2018-12-18 | Left auricle drag hook and mitral valve operation are with auxiliary assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109464170B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143652A (en) * | 1976-01-29 | 1979-03-13 | Hans Meier | Surgical retaining device |
| US5167223A (en) * | 1989-09-08 | 1992-12-01 | Tibor Koros | Heart valve retractor and sternum spreader surgical instrument |
| DE29709123U1 (en) * | 1997-05-23 | 1997-07-24 | Riess Andreas | Arrangement for diverting a cannula during minimally invasive heart valve surgery |
| CN2388920Y (en) * | 1999-03-22 | 2000-07-26 | 郑国强 | Multi-function apparatus for cardiac valve replacement operation |
| US20090299147A1 (en) * | 2007-02-15 | 2009-12-03 | Epstein Stephen T | Articulated Surgical Retractor |
| CN202365833U (en) * | 2011-12-01 | 2012-08-08 | 王立全 | Drag hook for surgery in general surgery department |
| CN103476355A (en) * | 2011-02-18 | 2013-12-25 | 西门子公司 | Articulated arm with locking function |
| CN204394592U (en) * | 2015-01-10 | 2015-06-17 | 张军 | Multifunctional surgical drag hook |
| CN205126323U (en) * | 2015-11-27 | 2016-04-06 | 南阳医学高等专科学校第三附属医院 | Novel drag hook for general surgery department surgery |
| US20180235724A1 (en) * | 2015-08-12 | 2018-08-23 | Medineering Gmbh | Medical holding arm having annular led display means |
-
2018
- 2018-12-18 CN CN201811548973.3A patent/CN109464170B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143652A (en) * | 1976-01-29 | 1979-03-13 | Hans Meier | Surgical retaining device |
| US5167223A (en) * | 1989-09-08 | 1992-12-01 | Tibor Koros | Heart valve retractor and sternum spreader surgical instrument |
| DE29709123U1 (en) * | 1997-05-23 | 1997-07-24 | Riess Andreas | Arrangement for diverting a cannula during minimally invasive heart valve surgery |
| CN2388920Y (en) * | 1999-03-22 | 2000-07-26 | 郑国强 | Multi-function apparatus for cardiac valve replacement operation |
| US20090299147A1 (en) * | 2007-02-15 | 2009-12-03 | Epstein Stephen T | Articulated Surgical Retractor |
| CN103476355A (en) * | 2011-02-18 | 2013-12-25 | 西门子公司 | Articulated arm with locking function |
| CN202365833U (en) * | 2011-12-01 | 2012-08-08 | 王立全 | Drag hook for surgery in general surgery department |
| CN204394592U (en) * | 2015-01-10 | 2015-06-17 | 张军 | Multifunctional surgical drag hook |
| US20180235724A1 (en) * | 2015-08-12 | 2018-08-23 | Medineering Gmbh | Medical holding arm having annular led display means |
| CN205126323U (en) * | 2015-11-27 | 2016-04-06 | 南阳医学高等专科学校第三附属医院 | Novel drag hook for general surgery department surgery |
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| Publication number | Publication date |
|---|---|
| CN109464170B (en) | 2020-09-15 |
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