CN109464170B - Left auricle drag hook and mitral valve operation are with auxiliary assembly - Google Patents
Left auricle drag hook and mitral valve operation are with auxiliary assembly Download PDFInfo
- Publication number
- CN109464170B CN109464170B CN201811548973.3A CN201811548973A CN109464170B CN 109464170 B CN109464170 B CN 109464170B CN 201811548973 A CN201811548973 A CN 201811548973A CN 109464170 B CN109464170 B CN 109464170B
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- retractor
- suspension arm
- connecting rod
- connector
- head
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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
-
- 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 invention relates to a left auricle retractor and an auxiliary assembly for mitral valve surgery, which comprises a base, wherein the base is rotatably connected with one end of a suspension arm structure, the suspension arm structure is formed by rotatably connecting multiple sections of suspension arms, the angle between adjacent suspension arms can be adjusted, the suspension arms, the base and the adjacent suspension arms can be locked by first locking parts, the other end of the suspension arm structure is connected with a connector, the connector is coaxially connected with the suspension arms, the connector can rotate around the axis of the suspension arm connected with the connector and can be locked by second locking parts, the connector is connected with one end of a connecting rod, and the other end of the connecting rod is connected with a retractor structure.
Description
Technical Field
The invention relates to the technical field of surgical operation tools, in particular to a left auricle retractor and an auxiliary assembly for mitral valve operation.
Background
Currently, heart mitral valve surgery has become a routine procedure for cardiac surgery. The amount of surgery is huge, estimated to be more than 5 million cases per year throughout the country.
However, mitral valve surgery faces the same problem regardless of the incision approach: the mitral valve is deep and not easy to show. The current drag hook design concept applied clinically is only that the mitral valve is exposed by expanding the top of the left atrium, and the mitral valve cannot be shallowed, so that the operation of an operator is facilitated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the left auricle retractor which can enable the position of a mitral valve to become shallow in the operation process and is convenient for operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a left auricle drag hook, includes the base, the base rotates with davit structure one end to be connected, the davit structure is rotated by multisection davit and is connected and constitute, and the angle between the adjacent davit can be adjusted, and usable first retaining member locks between davit and base and the adjacent davit, and the davit structure other end is connected with the connector, connector and davit coaxial coupling, connector can rotate around the davit axis of being connected rather than to usable second retaining member locks, connecting rod one end is connected to the connector, the connecting rod other end is connected with the drag hook structure.
Further, the base includes the fixed plate, the fixed plate bottom is equipped with fixed knot and constructs for fix the base, and the top surface of fixed plate is equipped with the rotation connecting seat of U type, it includes two connecting plates to rotate the connecting seat, and the medial surface of one of them connecting plate is equipped with annular first cockscomb structure.
Further, fixed knot constructs including fixing the first draw-in groove structure in fixed plate bottom one end, the fixed plate bottom other end through spring coupling have with first draw-in groove structure assorted second draw-in groove structure, second draw-in groove structure top is equipped with the guide, the guide passes the spout that sets up on the fixed plate for the motion to second draw-in groove structure is led.
Furthermore, the boom structure comprises a head end boom for connecting with the base, a tail end boom for connecting with the connector, and at least one section of middle boom between the head end boom and the tail end boom.
Further, the head end davit is the same with the structure of middle davit, and one end is equipped with and rotates connecting seat assorted connecting portion, and the other end is equipped with connecting portion assorted draw-in groove, connecting portion side end face be equipped with first sawtooth structure assorted second sawtooth structure, the homonymy slot surface of draw-in groove be equipped with second sawtooth structure assorted third sawtooth structure, first retaining member adopts fixing bolt and fixation nut, fixing bolt is used for passing the connecting portion of head end davit and rotates connecting seat or the connecting portion and the draw-in groove portion of the davit in the middle of adjacent, fixation nut is used for screwing on fixing bolt, compresses tightly first sawtooth structure and second sawtooth structure or second sawtooth structure and third sawtooth structure, realizes the locking of head end davit with rotation connecting seat, adjacent middle davit.
Furthermore, one end of the tail end suspension arm is provided with a connecting part with the same structure as the head end suspension arm or the middle suspension arm, and the other end of the tail end suspension arm is provided with a threaded connecting hole.
Further, a side end of the connector is provided with a threaded rod section matched with the threaded connecting hole and used for being connected with a tail-end suspension arm, the connector is further provided with a connecting rod clamping groove, the surface of the connecting rod clamping groove is provided with a first toothed structure, the connecting rod clamping groove is used for clamping a connecting rod, the connecting rod can be locked by a third locking piece, the second locking piece adopts a locking nut, and the locking nut is used for screwing on the threaded rod section.
Furthermore, the outer circumferential surface of the connecting rod is provided with a second toothed structure matched with the first toothed structure, one end of the connecting rod is fixed with a handle, the other end of the connecting rod is in threaded connection with an arc-shaped baffle, the baffle is fixedly connected with a drag hook structure in an inserted manner, and the third locking piece adopts a locking screw and is used for compressing the second toothed structure and the first toothed structure.
Further, the draw hook structure includes connecting portion and draw hook head, connecting portion are L type structure, with baffle grafting fixed connection, the draw hook head is spherical structure.
The invention discloses an auxiliary assembly for mitral valve surgery, which comprises a sternum retractor and a left auricle retractor, wherein the sternum retractor is used for retracting a sternum, and the left auricle retractor can be fixedly connected with the sternum retractor through a base.
The invention has the beneficial effects that:
1. the left auricle retractor can be matched with a sternum retractor for use through the base, the left vertex can be unfolded through the baffle in the mitral valve operation process, the left auricle can be pulled through the retractor structure, the mitral valve is driven to move towards an operation operator, the position of the mitral valve is shallow, and the operation of the operation operator is facilitated.
2. The left auricle retractor is convenient to disassemble and assemble, convenient to operate and assemble and convenient to disinfect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of the left atrial appendage retractor of the present invention;
FIG. 2 is a schematic front view of a base structure according to the present invention;
FIG. 3 is a schematic front view of a head end boom of the present invention;
FIG. 4 is a side view of the head end boom of the present invention;
FIG. 5 is a schematic view of the assembly of the end boom and the connector of the present invention;
FIG. 6 is a schematic view of the assembly of the connecting rod, the baffle and the retractor structure of the present invention;
FIG. 7 is a schematic view of the invention taken along line A of FIG. 6;
FIG. 8 is a schematic view of the retractor of the present invention;
FIG. 9 is a schematic view of an auxiliary assembly for mitral valve surgery according to the present invention;
FIG. 10 is a schematic view of the working principle of the present invention;
wherein, 1, a fixing plate, 2, a first clamping groove structure, 3, a second clamping groove structure, 4, a spring, 5, a side plate, 6, a guide screw, 7, a sliding groove, 8, a connecting plate, 8-1, a first mounting hole, 9, a head end suspension arm, 9-1, a connecting part, 9-2, a clamping groove, 9-3, a second mounting hole, 9-4, a second saw-tooth structure, 9-5, a third mounting hole, 9-6, a third saw-tooth structure, 10, a middle suspension arm, 11, a fixing bolt, 12, a tail end suspension arm, 13, a connector, 13-1, a threaded rod segment, 13-2, a handle clamping groove, 13-3, a first tooth-shaped structure, 14, a locking nut, 15, a connecting rod, 15-1, a second tooth-shaped structure, 15-2, a handle, 16, a fixing screw, 17, a baffle, 17-1, a splicing block, 18. the retractor comprises a retractor structure, 18-1 parts of a plug board, 18-2 parts of a retractor connecting rod, 18-3 parts of a plug groove, 18-4 parts of a retractor head, 19 parts of a sternum retractor and 20 parts of a left auricle.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As introduced by the background art, in the existing mitral valve operation process, the mitral valve is deep and not easy to expose, and the surgical operation of surgical personnel is facilitated.
In a typical embodiment of the present application, as shown in FIGS. 1-8, a left atrial appendage retractor comprises a base, the base is rotationally connected with one end of a boom structure, the boom other end is connected with a connector, the boom structure is composed of a head end boom, a middle boom and a tail end boom, the head end boom is rotationally connected with the base, one end of the middle boom is rotationally connected with the head end boom, the other end is rotationally connected with one end of the tail end boom, the other end of the tail end boom is coaxially connected with the connector, the angles between the head end boom and the base, the head end boom and the middle boom, the middle boom and the tail end boom can be adjusted and can be locked by a first locking member, the connector can rotate around the axes of the tail end boom and the connector and can be locked by a second locking member, the connector is connected with a connecting rod, the connecting rod can rotate around the axis of connecting rod self to usable third retaining member locks, connecting rod end connection has the drag hook structure, the drag hook structure is used for tractive left auricle.
The base comprises a fixed plate 1, the bottom surface of the fixed plate is provided with a fixed structure, the fixed structure is used for connecting the left auricle retractor and the sternum retractor, the fixing structure comprises a first clamping groove structure 2 which is arranged at one end of the bottom surface of the fixing plate and matched with the sternum retractor, the first clamping groove structure is fixedly connected with the fixed plate, the other end of the bottom surface of the fixed plate is provided with a second clamping groove structure 3 matched with the first clamping groove structure, the second clamping groove structure is connected with one ends of two symmetrically arranged springs 4, the other ends of the springs are fixedly connected with a side plate 5 fixed at the end part of the fixed plate, a guide part is fixed at the top end of the second clamping groove structure, the guide part adopts a guide screw 6, the guide screw passes through a sliding groove 7 arranged on the fixing plate, the motion to second draw-in groove structure leads, makes things convenient for operating personnel to utilize guide screw to remove second draw-in groove structure simultaneously.
The top surface of the fixed plate is provided with a rotary connecting seat which is of a U-shaped structure and comprises two connecting plates 8, the two connecting plates are provided with concentric first mounting holes 8-1, the inner side surface of one connecting plate is provided with an annular first sawtooth structure, and the first sawtooth structures are distributed on the peripheries of the first mounting holes.
The head end suspension arm 9 and the middle suspension arm 10 have the same structure and are cylindrical structures, one end of each cylindrical structure is provided with a connecting part 9-1, the connecting parts are matched with the U-shaped structures of the rotary connecting seats, can be inserted between two connecting plates of the rotary connecting seat, the other end of the cylindrical structure is provided with a clamping groove 9-2 matched with the connecting part, the connecting part of the middle suspension arm can be inserted into the clamping groove of the head suspension arm, the connecting part is provided with a second mounting hole 9-3 matched with the first mounting hole, one side end surface of the first saw-toothed structure is provided with a second saw-toothed structure 9-4 matched with the first saw-toothed structure, the clamping groove is a U-shaped clamping groove, the clamping groove is provided with a third mounting hole 9-5 matched with the second mounting hole, and a third sawtooth structure 9-6 matched with the second sawtooth structure is arranged on the inner side surface of the clamping groove on the same side as the end surface of the second sawtooth structure. The first locking piece adopts fixing bolt 11 and fixation nut, during the equipment, the connecting portion of head end davit inserts between two connecting plates, and first sawtooth structure and second sawtooth structure lie in same one side, pass fixing bolt in first mounting hole and the second mounting hole, fixation nut connects on fixing bolt, adjust the angle of head end davit and fixed plate, after the regulation is accomplished, rotating fixation nut makes fixation nut and two connecting plates of fixing bolt extrusion, make first sawtooth structure and second sawtooth structure press close contact, realized the locking of head end davit and base, the connecting portion of middle davit inserts the draw-in groove of head end davit, fixation nut and fixation bolt adopt the same assembly method to lock middle davit and head end davit.
The shapes and the sizes of the head end suspension arm and the middle suspension arm are required to meet the requirement that the maximum rotation angle of the head end suspension arm relative to the base is not less than 200 degrees, the maximum rotation angle of the middle suspension arm relative to the head end suspension arm is not less than 320 degrees, the requirement of adjusting the position of the draw hook structure in an actual operation is met, the maximum rotation angle can be realized through simple size design, and detailed description is omitted.
The tail end suspension arm 12 is of a cylindrical structure, one end of the tail end suspension arm is provided with a connecting part which has the same structure as the head end suspension arm and the middle suspension arm, the other end of the tail end suspension arm is provided with a threaded connecting hole, and the connecting part of the tail end suspension arm is in locking connection with the clamping groove of the middle suspension arm through a fixing bolt and a fixing nut.
The connector 13 is of a cylindrical structure, one end of the connector is provided with a threaded rod section 13-1 matched with the threaded connecting hole of the tail end suspension arm, the connector can be in threaded connection with the tail end suspension arm through the threaded rod section, the second locking piece adopts a locking nut 14 which is screwed on the threaded rod section, the locking nut is rotated to make the locking nut closely contact with the end surface of the tail end suspension arm, the threaded rod section can not be screwed into the threaded hole continuously, the locking of the connector and the tail end suspension arm is realized, the connector is provided with a connecting rod clamping groove 13-2, the groove surface of the connecting rod clamping groove is provided with an arc-shaped first tooth-shaped structure 13-3, the connecting rod clamping groove is used for clamping a connecting rod 15, the end connection that the connector is located the screw pole section offside has the third retaining member, the third retaining member adopts set screw 16, utilizes set screw to compress tightly the connecting rod on the groove face of connecting rod draw-in groove.
The connecting rod is the cylinder pole, and its circumference surface is equipped with 15-1 with first dentate structure assorted second dentate structure, and the second dentate result card of connecting rod is gone into in first dentate structure to utilize set screw to compress tightly, can realize the locking of connecting rod and connector, the one end of connecting rod is equipped with handle 15-2, the handle surface has anti-skidding line for make things convenient for operation operating personnel to rotate the connecting rod, the other end threaded connection of connecting rod has curved baffle 17's one end, cowl is used for strutting the left roof of heart, according to patient's different situation, can use not unidimensional baffle, the other end of baffle is connected with the drag hook structure. The fixing screw is loosened, the connecting rod is rotated, and then the connecting rod is fastened by the fixing screw, so that the angle of the baffle plate can be adjusted. One end of the baffle plate, which is used for being connected with the draw hook, is provided with an inserting block 17-1, and the inserting connection with the draw hook structure is realized through the inserting block.
The draw hook structure 18 is an L-shaped structure and comprises a connecting part and a draw hook head, the connecting part comprises an insertion plate 18-1 and an L-shaped draw hook head connecting rod 18-2, an insertion groove 18-3 matched with the insertion block is formed in the insertion plate, the insertion plate is fixedly connected with the baffle plate in an insertion mode through the insertion block and the insertion groove, the insertion mode can adopt the existing insertion mode of a scalpel blade and a scalpel handle, the shapes of the insertion groove and the insertion block are not described in detail, one end of the draw hook head connecting rod is fixedly connected with the insertion plate, the other end of the draw hook head connecting rod is fixed with the draw hook head 18-4, the draw hook head is of a spherical structure and is in spherical contact with the left auricle, the draw hook head can slide into the left auricle conveniently, and the left auricle can be prevented from being torn.
The invention also discloses an auxiliary assembly for mitral valve surgery, which comprises a sternum retractor 19 and the left auricle retractor, wherein the left auricle retractor can be fixedly connected with the sternum retractor through the first clamping groove structure and the second clamping groove structure of the base, as shown in fig. 9.
When the auxiliary assembly for mitral valve operation is used, as shown in fig. 10, the left auricle retractor is fixed on the sternum retractor through the first clamping groove structure and the second clamping groove structure, the left auricle retractor can be fixed at different positions of the sternum retractor according to actual conditions, the boom mechanism and the connecting rod are operated to enable the baffle to open the left roof, the retractor head of the retractor structure hooks the left auricle 20, the angle between the head end boom and the base, the angle between the middle boom and the head end boom, the angle between the tail end boom and the middle boom, the angle between the connecting rod and the baffle can be continuously adjusted in the operation process, the baffle can smoothly open the left roof, the left auricle part is smoothly hooked by the retractor, the boom mechanism is adjusted to pull the left auricle towards the direction of an operator, the position of the mitral valve is driven to be shallow, the head end boom and the base are pulled to be at a proper position, the left auricle part and the left, The middle suspension arm and the head end suspension arm, the tail end suspension arm and the middle suspension arm, and the connecting rod are locked to be fixed, and then the mitral valve can be operated.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (8)
1. A left auricle retractor is characterized by comprising a base, wherein the base is rotatably connected with one end of a suspension arm structure, the suspension arm structure is formed by rotatably connecting multiple sections of suspension arms, the structure of a head-end suspension arm is the same as that of a middle suspension arm, a connecting part and a clamping groove are arranged at the two ends of the head-end suspension arm, one end of the head-end suspension arm is provided with the connecting part matched with a rotating connecting seat, the other end of the head-end suspension arm is provided with the clamping groove matched with the connecting part of the middle suspension arm, the rotating connecting seat comprises two connecting plates, concentric first mounting holes are formed in the two connecting plates, an annular first sawtooth structure is arranged on the inner side surface of one connecting; a second sawtooth structure matched with the first sawtooth structure is arranged on the end surface of one side of the connecting part of the head-end suspension arm, and a third sawtooth structure matched with the second sawtooth structure is arranged on the groove surface of the same side of the clamping groove of the head-end suspension arm; the angle between adjacent suspension arms can be adjusted, the suspension arms, the base and the adjacent suspension arms can be locked by using first locking parts, the other end of the suspension arm structure is connected with a connector, the connector is coaxially connected with the suspension arms, the connector can rotate around the axis of the suspension arm connected with the connector and can be locked by using second locking parts, the connector is connected with one end of a connecting rod, and the other end of the connecting rod is connected with a drag hook structure; the outer circumferential surface of the connecting rod is provided with a second toothed structure matched with the first toothed structure, one end of the connecting rod is fixed with a handle, the other end of the connecting rod is in threaded connection with an arc-shaped baffle, the baffle is fixedly provided with a drag hook structure in an inserted mode, and the third locking piece adopts a locking screw and is used for compressing the second toothed structure and the first toothed structure.
2. The left atrial appendage retractor as in claim 1, wherein the base comprises a fixed plate, the bottom of the fixed plate is provided with a fixing structure for fixing the base, and the top surface of the fixed plate is provided with a U-shaped rotating connecting seat.
3. The left atrial appendage retractor as in claim 2, wherein the fixing structure comprises a first slot structure fixed at one end of the bottom of the fixing plate, the other end of the bottom of the fixing plate is connected with a second slot structure matched with the first slot structure through a spring, a guide member is arranged at the top of the second slot structure, and the guide member passes through a sliding groove formed in the fixing plate and is used for guiding the movement of the second slot structure.
4. The left atrial appendage retractor as in claim 2, wherein the boom structure comprises a head end boom for connection to a base, a tail end boom for connection to a connector, and at least one intermediate boom between the head end boom and the tail end boom;
first retaining member adopts fixing bolt and fixation nut, fixing bolt is used for passing the connecting portion of head end davit and the connecting portion and the draw-in groove portion of rotating connecting seat or adjacent middle davit, fixation nut is used for screwing on fixing bolt, compresses tightly first cockscomb structure and second cockscomb structure or second cockscomb structure and third cockscomb structure.
5. The left atrial appendage retractor as in claim 4, wherein the distal boom has a connection portion at one end that is configured to be the same as the first or middle boom and a threaded connection hole at the other end.
6. The left auricle retractor according to claim 5, wherein the end of the connector at one end is provided with a threaded rod section matched with the threaded connection hole for connecting with a tail boom, the connector is further provided with a connecting rod clamping groove, a first tooth-shaped structure is arranged on the surface of the connecting rod clamping groove, the connecting rod clamping groove is used for clamping a connecting rod and locking the connecting rod through a third locking member, the second locking member is a locking nut, and the locking nut is used for being screwed on the threaded rod section.
7. The left atrial appendage retractor of claim 1, wherein the retractor structure comprises a connecting portion and a retractor head, the connecting portion is of an L-shaped structure and is fixedly connected with the baffle in an inserting manner, and the retractor head is of a spherical structure.
8. An auxiliary component for mitral valve operation, which is characterized by comprising a sternum retractor and the left auricle retractor as defined in any one of claims 1 to 7, wherein the sternum retractor is used for retracting sternum, and the left auricle retractor can be fixedly connected with the sternum retractor through a base.
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 CN109464170A (en) | 2019-03-15 |
| CN109464170B true CN109464170B (en) | 2020-09-15 |
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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 |
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| Country | Link |
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| CN (1) | CN109464170B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH608367A5 (en) * | 1976-01-29 | 1979-01-15 | Hans Meier | |
| 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 |
| EP2124757B1 (en) * | 2007-02-15 | 2016-10-05 | Martens, André Ghislain Annie | Improved atrial retractor |
| DE102011004371B4 (en) * | 2011-02-18 | 2017-11-23 | Siemens Healthcare Gmbh | 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 |
| EP3130305B1 (en) * | 2015-08-12 | 2021-01-13 | medineering GmbH | Medical holding arm |
| 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 |
-
2018
- 2018-12-18 CN CN201811548973.3A patent/CN109464170B/en active Active
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| CN109464170A (en) | 2019-03-15 |
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