CN211149898U - Heart fixing device for external heart operation exercise - Google Patents
Heart fixing device for external heart operation exercise Download PDFInfo
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- CN211149898U CN211149898U CN201921682326.1U CN201921682326U CN211149898U CN 211149898 U CN211149898 U CN 211149898U CN 201921682326 U CN201921682326 U CN 201921682326U CN 211149898 U CN211149898 U CN 211149898U
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Abstract
The utility model discloses a heart fixing device for external heart operation practice, wherein a lifting rod is fixedly connected with the upper side of a base, and a clamping rod is slidably connected with the outer wall of the lifting rod; the clamping rods clamp and fix the heart to be clamped. The sliding seat is connected to the outer wall of the lifting rod in a sliding mode, one end of the sliding seat is connected with the rod body, the other end of the rod body is connected with the sucker seat, the other end of the sucker seat is connected with the sucker, and the sucking hole in the center of the sucker is in conduction connection with the adsorption tube. The pole body includes a plurality of connection covers, and the one end of connecting the cover is hemispherical arch, and the other end of connecting the cover has seted up the locking hole for hemispherical recess through connection cover center, is equipped with the locking silk in locking downthehole portion, and a tip connection sucking disc seat of locking silk, the other end pass the sliding seat, make a plurality of connection covers establish ties together. This external heart operation exercise uses heart fixing device, simple structure, and it is convenient to adjust, can be accurate fix heart position, makes things convenient for the practitioner to use.
Description
Technical Field
The utility model relates to a heart is trained to use the fixed medical instrument device structural design technical field of heart, especially relates to an external heart is trained to use heart fixing device.
Background
With the development of medical technology, cardiac surgery has become a possibility. However, in the heart operation process, the heart operation which can not be completely fixed becomes a great problem in the doctor operation process, especially, the operation can be only practiced in the operation process, and the practice and learning of the doctor become a bigger problem. In the prior art, the skill of medical staff on the heart is improved and the operation is ensured by practicing the operation on other animals or the heart of a remains in vitro. However, the prior art lacks a device for fixing the heart and cannot conveniently perform the operation on the heart in vitro.
Therefore, the prior art lacks a device for fixing the external cardiac surgery and cannot conveniently meet the defect that medical staff can practice the external cardiac surgery.
SUMMERY OF THE UTILITY MODEL
In view of this, the main objective of the present invention is to provide a heart fixing device for external heart operation practice, which has a simple structure and is convenient to adjust, and can accurately fix the position of the heart, thereby facilitating the use of the heart fixing device for the external heart operation practice.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an extracorporeal heart surgery practicing use of a heart fixation device, comprising: the lifting rod is fixedly connected to the upper side of the base, and the clamping rod is connected to the outer wall of the lifting rod in a sliding mode; and clamping and fixing the heart to be clamped by the clamping rods.
In a preferred embodiment, the clamping bar comprises: the sucker, the adsorption tube, the sucker seat, the rod body and the sliding seat; the sliding seat is connected to the outer wall of the lifting rod in a sliding mode, one end of the sliding seat is connected with the rod body, the other end of the rod body is connected with the sucker seat, the other end of the sucker seat is connected with the sucker, and the sucking hole in the center of the sucker is in conduction connection with the adsorption pipe.
In a preferred embodiment, the rod body comprises a plurality of connecting covers, one end of each connecting cover is a hemispherical protrusion, the other end of each connecting cover is a hemispherical groove, and the arc diameter of each hemispherical protrusion is the same as the diameter of each hemispherical groove; a locking hole is formed in the center of the connecting cover, a locking wire is arranged in the locking hole, one end of the locking wire is connected with the sucker seat, and the other end of the locking wire penetrates through the sliding seat, so that the connecting covers are connected in series.
In a preferred embodiment, the method further comprises: the locking knob, the round hole has been seted up to one side that the connecting cover was kept away from to the sliding seat, one side of locking knob is equipped with the cylinder arch, the cylinder arch stretches into the round hole, just the cylinder arch with locking silk fixed connection is right the locking silk is taut or is relaxed.
In a preferred embodiment, one end of the sucker seat close to the sucker is of a plane structure, a sucker groove is formed in the middle of the plane structure, and the sucker is fixedly connected inside the sucker groove.
In a preferred embodiment, a first tensioning hole is formed in one end, away from the suction disc, of the suction disc seat, the first tensioning hole is a stepped hole, the diameter of one side, away from the suction disc, of the first tensioning hole is the same as that of the locking hole, and the diameter of one side, close to the suction disc, of the first tensioning hole is larger than that of the locking hole.
In a preferred embodiment, one end of the locking wire extending into the first tensioning hole is connected with a locking ball, and the locking ball is arranged at one side of the first tensioning hole, which is close to the sucker; the diameter of the locking ball is the same as that of one side, close to the sucker, of the first tensioning hole.
In a preferred embodiment, one end of the suction cup seat, which is far away from the suction cup, is provided with a connecting groove, the connecting groove is a hemispherical groove, and the diameter of the hemispherical groove is the same as that of the hemispherical protrusion of the connecting cover.
In a preferred embodiment, the sliding seat includes: the front seat, the rear seat and the sliding ring; one side integrated into one piece that the slip ring is close to front bezel, back seat has the connection arch, front bezel and back seat end to end connection, the lateral part is equipped with the connection chamber between front bezel and the back seat, connect protruding joint and be in connect intracavity portion.
In a preferred embodiment, a second locking hole is formed through the front seat and the rear seat from head to tail, so that a locking wire passes through the second locking hole.
In a preferred embodiment, the front seat is provided with a convex structure near one end of the connecting cover, the convex structure is a hemispherical structure, and the diameter of the hemispherical structure is the same as that of the hemispherical groove.
In a preferred embodiment, the tail end of the front seat is provided with a square connecting groove, the front end of the rear seat is provided with a square protrusion, the square protrusion is inserted into the square connecting groove for limiting connection, and the square protrusion and the square connecting groove are in clearance fit;
the axial clearance between the square protrusion and the square connecting groove is larger than the clearance between the outer wall of the square connecting protrusion and the connecting cavity.
In a preferred embodiment, the locking knob further comprises: the locating part, locating part one end is square structure, the locating part other end is the cylinder structure, the protruding center of cylinder of locking knob sets up threaded hole, the external screw thread has been seted up to the cylinder structure outer wall, and with the screw hole cooperation is connected.
In a preferred embodiment, a square clamping hole is formed around the second locking hole on one side of the rear seat far away from the front seat, the square clamping hole is the same as the square structure of the limiting part, and the square structure of the limiting part is matched with the square clamping hole.
In a preferred embodiment, the method further comprises: the limiting table is arranged at the bottom of the threaded hole; the center of the limiting part is provided with a screw hole, the locking screw penetrates through the screw hole, and the screw hole is fixedly connected with the limiting table at the bottom of the threaded hole.
In a preferred embodiment, the method further comprises: the locking cam, locking groove has been seted up to slip ring one side the hinge hole has been seted up to the upper and lower both sides wall department in locking groove, both sides are equipped with the articulated shaft about the locking cam, the articulated shaft is articulated with the hinge hole, makes locking cam is rotatory around locking hole and is locked with the lifter.
In a preferred embodiment, the base is a disc structure, and the lifting rod is provided in plurality and arranged at the edge of the disc.
In a preferred embodiment, the lifting rods are three and uniformly arranged at the edge of the circular disc.
In a preferred embodiment, a lifting tray is arranged in the center of the upper surface of the base.
In a preferred embodiment, a gripping handle is arranged at the center of the lower surface of the base.
The utility model discloses an external heart operation is practised and is used heart fixing device has following beneficial effect:
the heart fixing device is used for the external heart operation exercise, the upper side of the base is fixedly connected with the lifting rod, and the clamping rod is connected to the outer wall of the lifting rod in a sliding manner; the clamping rods clamp and fix the heart to be clamped. The sliding seat is connected to the outer wall of the lifting rod in a sliding mode, one end of the sliding seat is connected with the rod body, the other end of the rod body is connected with the sucker seat, the other end of the sucker seat is connected with the sucker, and the sucking hole in the center of the sucker is in conduction connection with the adsorption tube. The pole body includes a plurality of connection covers, and the one end of connecting the cover is hemispherical arch, and the other end of connecting the cover has seted up the locking hole for hemispherical recess through connection cover center, is equipped with the locking silk in locking downthehole portion, and a tip connection sucking disc seat of locking silk, the other end pass the sliding seat, make a plurality of connection covers establish ties together. The cylindrical protrusion is fixedly connected with the locking wire, and the locking wire is tightened or loosened. Solves the problems that in the prior art, in the process of external heart operation exercise, the fixation to the heart is inconvenient, and the requirement that a practicer cannot conveniently exercise in vitro can ensure the proficiency of the operation in the process of the operation. This external heart operation exercise uses heart fixing device, simple structure, and it is convenient to adjust, can be accurate fix heart position, makes things convenient for the practitioner to use.
Drawings
FIG. 1 is a perspective view of an extracorporeal heart surgery practicing the use of a heart fixation device according to one embodiment of the present disclosure;
FIG. 2 is a perspective view of the rod body of the heart fixation device of FIG. 1 in a bent state for practicing extracorporeal heart surgery according to one embodiment of the present disclosure;
FIG. 3 is a top view of the heart fixation device of FIG. 1 for practicing extracorporeal heart surgery according to one embodiment of the present disclosure;
FIG. 4 is a top view of a clamping bar of an extracorporeal heart surgery exercise using a heart fixation device according to one embodiment of the present disclosure;
FIG. 5 is a cross-sectional view of the clamping bar of the heart fixation device of FIG. 4 being used in an extracorporeal heart surgery exercise according to one embodiment of the present disclosure;
FIG. 6 is a cross-sectional view of the clamping bar of the heart fixing device of FIG. 5 in a bent state for practicing extracorporeal heart surgery according to one embodiment of the present disclosure;
FIG. 7 is a cross-sectional view of an attachment housing for practicing the use of a heart fixation device in an extracorporeal heart surgery in accordance with one embodiment of the present disclosure.
[ description of main reference symbols ]
1. A base 2, a lifting rod;
3. the clamping rod 31, the sucker 32, the sucker seat 321, the first tensioning hole 322 and the locking ball;
33. the connecting cover comprises a rod body 331, a connecting cover 301, a hemispherical protrusion 302 and a hemispherical groove;
332. locking holes 333 and locking wires;
34. the sliding seat 341, the front seat 342, the rear seat 343, the sliding ring 344, the connecting protrusion 345, the second locking hole 346, the square protrusion 347, the connecting cavity 348, the locking groove 349 and the hinge hole;
35. a circular hole;
4. the locking device comprises a locking knob 41, a cylindrical bulge 42, a limiting piece 43, a limiting table 44 and a screw hole;
5. locking cam, 6, lift tray.
Detailed Description
The heart fixing device for practicing the extracorporeal heart operation of the present invention will be described in detail with reference to the accompanying drawings and embodiments of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, the extracorporeal heart surgery exercise uses a heart fixing device including: a base 1 for supporting; a lifting rod 2 which is connected with the base 1 and can adjust the height of the clamping rod 3; a clamping rod 3 mainly used for clamping the heart is fixedly connected (for example, in threaded connection) with a lifting rod 2 on the upper side of a base 1, and the clamping rod 3 is connected to the outer wall of the lifting rod 2 in a sliding manner; the clamping rod 3 is clamped and fixed to the heart to be clamped. A plurality of clamping rods 3 can be arranged and clamped in a matching manner; and the connection between the clamping bar 3 and the heart may be varied. Preferably, the connection mode between the clamping rod 3 and the heart is an adsorption connection mode, the heart overall structure is convenient to adapt to and is softer, the muscle toughness of the surface of the heart is better, the adsorption force is guaranteed, and the stability of clamping is further guaranteed.
The clamping lever 3 includes: the heart-shaped heart-clamping device comprises a suction cup 31, a suction tube, a suction cup seat 32, a rod body 33 and a sliding seat 34, wherein the suction cup 31 is mainly used for clamping the heart, the suction tube is used for providing suction power for the suction cup, the suction cup seat 32 is used for supporting and fixing the suction cup 31, the rod body 33 is used for realizing connection between the suction cup and the lifting rod 2, and the sliding seat 34 is used for realizing the sliding action of. Sliding seat 34 sliding connection is at lifter 2 outer wall, and sliding seat 34 one end connecting rod body 33, sucking disc seat 32 is connected to the pole body 33 other end, and sucking disc 31 is connected to the sucking disc seat 32 other end, and the hole and the adsorption tube switch on of sucking disc 31 center are connected.
In order to realize the adjustment of the clamping position of the rod body 33, the rod body 33 comprises a plurality of connecting covers 331, one end of each connecting cover 331 is a hemispherical protrusion 301, the other end of each connecting cover 331 is a hemispherical groove 302, and the arc diameter of each hemispherical protrusion 301 is the same as that of each hemispherical groove 302, so that the matching connection between the adjacent connecting covers 331 through the hemispherical protrusions 301 and the hemispherical grooves 302 is ensured. A locking hole 332 is formed through the center of the connecting cover 331, a locking wire 333 is arranged in the locking hole 332, and it should be noted here that the locking wire 333 is thick in size, so that the strength of the locking wire 333 is ensured, the elastic expansion ratio of the locking wire 333 is further reduced, the locking wire 333 is ensured to be tensioned on the connecting cover 331, and the fixation of the rod body 33 in the bending direction is ensured through the friction between the hemispherical protrusion 301 and the hemispherical groove 302. Namely: one end of the locking wire 333 is connected to the suction cup holder 32, and the other end thereof passes through the sliding holder 34, so that the plurality of connection caps 331 are connected in series.
The adjustment of the bending angle of the lever body 33 is achieved in order to facilitate the adjustment of the tension of the locking wire 333. The device also includes: locking knob 4 of tightening effect, round hole 35 has been seted up to one side that connecting cover 331 was kept away from to sliding seat 34, one side of locking knob 4 is equipped with cylindrical protrusion 41, cylindrical protrusion 41 stretches into round hole 35 (can relative rotation between cylindrical protrusion 41 and the round hole 35), and cylindrical protrusion 41 and locking silk 333 fixed connection, it is taut or relax to locking silk 333, through adjusting the relative position relation between locking knob 4 and the sliding seat 34, thereby the taut degree of locking silk 333 has been realized.
The device has simple structure, and can adjust the extending angle of the rod body 33 in a large range. Can be used for the practice of the heart operation conveniently. Of course, the heart is not limited to human heart, but may be other animal heart, such as pig heart, to satisfy the exercise effect. And the use of hearts with various structures and sizes is met through the multi-angle adjustment of the rod body.
In order to ensure the connection with the suction cup 31, the suction cup seat 34 is of a plane structure at one end close to the suction cup 31, a suction cup groove is formed in the middle of the plane structure, and the suction cup 31 is fixedly connected inside the suction cup groove.
In order to ensure the adjustment of the angle between the suction cup holder 32 and the lever body 33, it is particularly convenient to adjust the suction cup holder 32 by means of the locking wire 333. A first tensioning hole 321 is formed in one end, far away from the suction cup 31, of the suction cup seat 32, the first tensioning hole 321 is a step hole, the diameter of one side, far away from the suction cup 31, of the first tensioning hole is the same as that of the locking hole 332, and the diameter of one side, close to the suction cup 31, of the first tensioning hole is larger than that of the locking hole (332); one end of the locking wire 333 extending into the first tensioning hole 321 is connected with a locking ball 322 (which is convenient for the connection between the locking wire 333 and the suction cup seat 32), and the locking ball 322 is arranged at a position of the first tensioning hole 321 close to one side of the suction cup 31; the diameter of the locking ball 322 is the same as the diameter of the first tightening hole 321 near the suction cup 31, so as to ensure the position of the locking ball 322 to be fixed.
In order to ensure the connection between the suction cup holder 32 and the connection cap 331, the integrity of the whole device is ensured. The end of the suction cup seat 32 far away from the suction cup 31 is provided with a connecting groove, the connecting groove is a hemispherical groove, and the diameter of the hemispherical groove is the same as that of the hemispherical protrusion 301 of the connecting cover 331. So that the coupling cap 331 adjacent to the suction cup holder 32 is coupled to the hemispherical protrusion 301 through the coupling groove.
To facilitate the connection between the sliding seat 34 and the lifting rod, the sliding seat 34 includes: a front mount 341 and a rear mount 342 detachably connected; and a slide ring 343 that performs a sliding and coupling action at the lifting lever 2. The side of the sliding ring 343 close to the front seat 341 and the rear seat 342 is integrally formed with a connecting protrusion 344, the front seat 341 and the rear seat 342 are connected end to end, a connecting cavity 347 is arranged on the side between the front seat 341 and the rear seat 342, and the connecting protrusion 344 is clamped inside the connecting cavity 34). The connecting cavity 347 is internally in a cylindrical structure, the connecting protrusions 344 are adaptive structures, preferably, the connecting protrusions 344 can rotate the connecting cavity 347 at first, so that the angle between the adjusting rod body 33 and the lifting rod 2 is further facilitated, the flexibility of the device is guaranteed, and the application range of the device is guaranteed. The connection cavity 347 includes two semicircular structures respectively connected to the front seat 341 and the rear seat 342 to further facilitate the connection of the connection protrusion 344.
The coupling of the coupling protrusion 344 is facilitated and may be adjusted by coupling close relation between the front seat 341 and the rear seat 342. A second locking hole 345 is formed through the front seat 341 and the rear seat 342 end to end, so that the locking wire 333 passes through the second locking hole 345, and the whole locking (position fixing) or releasing (the relative angle of the rod body 33 and the sliding ring 343 with the front seat and the rear seat can be adjusted) of the whole device is adjusted by the locking wire 333.
Of course, in order to achieve the connection relationship between the front seat 341 and the connection cap 331. The front seat 341 has a convex structure near the end of the connection cap 331, the convex structure is a hemispherical structure, and the diameter of the hemispherical structure is the same as the diameter of the hemispherical groove 302.
In order to facilitate the connection between the front seat 341 and the rear seat 342 and to limit the relative rotation between the front seat 341 and the rear seat 342, a connection square groove is formed at the tail end of the front seat 341, a square protrusion 346 is arranged at the front end of the rear seat 342, the square protrusion 346 is inserted into the connection square groove for limiting connection, and the square protrusion 346 is in clearance fit with the connection square groove; through the tightening of the locking wire 333, the locking between the front seat 341 and the rear seat 342 is realized, and the volume adjustment of the connecting cavity 347 between the front seat 341 and the rear seat 342 is also realized, thereby ensuring the adjustment of the angle relative to the sliding ring 343.
Of course, the clearance between the square protrusion 346 and the coupling square groove in the axial direction is larger than the clearance between the outer wall of the coupling protrusion and the coupling cavity 347. Thereby ensuring the locking of the coupling protrusion 344 during the locking process between the front seat 341 and the rear seat 342.
In order to facilitate the adjustment of the locking wire 333 of the locking knob 4, the locking knob 4 further includes: one end of the limiting part 42 is of a square structure, the other end of the limiting part 42 is of a cylindrical structure, a threaded hole is formed in the center of a cylindrical protrusion of the locking knob 4, and an external thread is formed in the outer wall of the cylindrical structure and is in fit connection with the threaded hole; a square fastening hole is formed around the second locking hole 345 on one side of the rear seat 342 away from the front seat 341, the structure of the square fastening hole is the same as that of the limiting member 42, and the limiting member 42) is matched with the square fastening hole. Thereby realized locking knob 4 rotatory for back seat 342, locking knob 4 also rotates for locating part 42, realized locking knob 4 drive locating part 42 and get into to the screw hole, further because locating part 42 one end is square structure, spacing through square card hole, guaranteed that locating part 42 stretches out and draws back along the screw hole, realized the regulation to the taut degree of lock wire 333.
To further facilitate the attachment of the locking wire 333, the device further comprises: the limiting table 43 is arranged at the bottom of the threaded hole; the center of the limiting member 42 is provided with a screw hole 44, a locking screw 333 passes through the screw hole 44, and the screw hole 44 is fixedly connected with the limiting table 43 at the bottom of the screw hole. Furthermore, the locking ball 322 and the limiting table 43 can avoid the rotation of the locking wire 333, reduce the loss of the locking wire 333, and further ensure the service life of the whole device.
In order to facilitate locking and unlocking between the sliding ring 343 and the lifting rod 2, the apparatus further includes: in the locking cam 5, a locking groove 348 is formed in one side of the sliding ring 343, hinge holes 349 are formed in the upper side wall and the lower side wall of the locking groove 348, hinge shafts are formed in the upper side and the lower side of the locking cam 5, and the hinge shafts are hinged to the hinge holes 349, so that the locking cam 5 rotates around the locking holes 349 to be locked with the lifting rod 2.
The preferable base 1 is of a disc structure, and a plurality of lifting rods 2 are arranged at the edge of the disc; the disc structure reduces the occupied space of the whole device, and is convenient for operators to operate and use.
Furthermore, the lifting rods 2 are three and uniformly arranged at the edge of the disc. Three points determine a plane, and the heart can be fixed through the three points, so that the phenomenon that the lifting rod 2 excessively interferes with practice and observation is avoided, and the defects that the fixing strength of the heart is insufficient due to the fact that the lifting rod is too little are avoided.
In order to further improve the fixing effect on the heart, the center of the upper surface of the base 1 is provided with a lifting tray 6.
In order to conveniently hold the whole device and further facilitate observation of the cardiac surgery, a holding handle is arranged in the center of the lower surface of the base 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. An extracorporeal heart surgery practicing use of a heart fixation device, comprising: the lifting device comprises a base (1), a lifting rod (2) and a clamping rod (3), wherein the lifting rod (2) is fixedly connected to the upper side of the base (1), and the clamping rod (3) is connected to the outer wall of the lifting rod (2) in a sliding mode; the clamping rod (3) is clamped and fixed to the heart to be clamped;
the clamping bar (3) comprises: a suction cup (31), a suction tube, a suction cup seat (32), a rod body (33) and a sliding seat (34); the sliding seat (34) is connected to the outer wall of the lifting rod (2) in a sliding mode, one end of the sliding seat (34) is connected with the rod body (33), the other end of the rod body (33) is connected with the sucker seat (32), the other end of the sucker seat (32) is connected with the sucker (31), and a suction hole in the center of the sucker (31) is in conduction connection with the suction pipe;
the rod body (33) comprises a plurality of connecting covers (331), one end of each connecting cover (331) is a hemispherical protrusion (301), the other end of each connecting cover (331) is a hemispherical groove (302), and the arc diameter of each hemispherical protrusion (301) is the same as that of each hemispherical groove (302); a locking hole (332) is formed in the center of the connecting cover (331) in a penetrating mode, a locking wire (333) is arranged inside the locking hole (332), one end of the locking wire (333) is connected with the sucker seat (32), and the other end of the locking wire penetrates through the sliding seat (34), so that the connecting covers (331) are connected together in series;
further comprising: locking knob (4), round hole (35) have been seted up to one side that connecting cover (331) was kept away from in sliding seat (34), one side of locking knob (4) is equipped with cylinder arch (41), cylinder arch (41) stretch into round hole (35), just cylinder arch (41) with locking silk (333) fixed connection, it is right locking silk (333) are taut or relax.
2. The heart fixing device for external heart surgery exercise according to claim 1, wherein the sucker seat (32) is of a plane structure at one end close to the sucker (31), a sucker groove is formed in the middle of the plane structure, and the sucker (31) is fixedly connected inside the sucker groove;
one end, far away from the sucker (31), of the sucker seat (32) is provided with a first tensioning hole (321), the first tensioning hole (321) is a step hole, the diameter of one side, far away from the sucker (31), of the first tensioning hole is the same as that of the locking hole (332), and the diameter of one side, close to the sucker (31), of the first tensioning hole is larger than that of the locking hole (332);
one end of the locking wire (333) extending into the first tensioning hole (321) is connected with a locking ball (322), and the locking ball (322) is arranged at one side of the first tensioning hole (321) close to the sucker (31); the diameter of the locking ball (322) is the same as that of one side of the first tensioning hole (321) close to the suction cup (31);
the one end that sucking disc (31) was kept away from in sucking disc seat (32) has seted up the spread groove, the spread groove is the hemisphere groove, just the diameter of hemisphere groove with the diameter of hemispherical arch (301) of connecting cover (331) is the same.
3. The extracorporeal heart surgery practicing use heart fixation device of claim 1, wherein the sliding seat (34) comprises: a front seat (341), a rear seat (342), and a sliding ring (343); one side of the sliding ring (343) close to the front seat (341) and the rear seat (342) is integrally formed with a connecting bulge (344), the front seat (341) and the rear seat (342) are connected end to end, a connecting cavity (347) is arranged on the side between the front seat (341) and the rear seat (342), and the connecting bulge (344) is clamped inside the connecting cavity (347).
4. The heart fixing device for extra-corporeal heart surgery exercise according to claim 3, wherein a second locking hole (345) is formed through the front seat (341) and the rear seat (342) end to end, so that a locking wire (333) passes through the second locking hole (345).
5. The heart fixation device for external heart surgery exercise according to claim 4, wherein the front seat (341) is a convex structure near one end of the connection cover (331), the convex structure is a hemispherical structure, and the diameter of the hemispherical structure is the same as that of the hemispherical groove (302).
6. The heart fixing device for external heart surgery practice according to claim 3, 4 or 5, wherein the front seat (341) is provided with a square connecting groove at the tail end, the rear seat (342) is provided with a square protrusion (346) at the front end, the square protrusion (346) is inserted into the square connecting groove for limiting connection, and the square protrusion (346) is in clearance fit with the square connecting groove;
the clearance between the square protrusion (346) and the connecting square groove in the axial direction is larger than the clearance between the outer wall of the connecting protrusion and the connecting cavity (347).
7. Heart anchoring device for extracorporeal heart surgery practice according to claim 4 or 5, characterized in that the locking knob (4) further comprises: one end of the limiting piece (42) is of a square structure, the other end of the limiting piece (42) is of a cylindrical structure, a threaded hole is formed in the center of a cylindrical protrusion of the locking knob (4), and an external thread is formed in the outer wall of the cylindrical structure and is in fit connection with the threaded hole;
a square clamping hole is formed in one side, far away from the front seat (341), of the rear seat (342) and surrounds the second locking hole (345), the structure of the square clamping hole is the same as that of the limiting piece (42), and the square structure of the limiting piece (42) is matched with the square clamping hole.
8. The extracorporeal heart surgery practicing use of a heart fixation device of claim 7, further comprising: the limiting table (43) is arranged at the bottom of the threaded hole; the center of the limiting piece (42) is provided with a screw hole (44), the locking screw (333) penetrates through the screw hole (44), and the screw hole (44) is fixedly connected with the limiting table (43) at the bottom of the screw hole.
9. The heart fixation device for extracorporeal heart surgery practice according to claim 3, 4 or 5, further comprising: locking cam (5), locking groove (348) have been seted up to slip ring (343) one side hinge hole (349) have been seted up in the upper and lower both sides wall department of locking groove (348), both sides are equipped with the articulated shaft about locking cam (5), the articulated shaft is articulated with hinge hole (349), makes locking cam (5) are rotatory and are locked with lifter (2) around hinge hole (349).
10. An extracorporeal heart surgery practice heart fixation device according to claim 1, wherein the base (1) is a disc structure, and the plurality of the lifting rods (2) are provided at the edge of the disc;
three lifting rods (2) are uniformly arranged at the edge of the circular disc;
a lifting tray (6) is arranged in the center of the upper surface of the base (1);
the center of the lower surface of the base (1) is provided with a holding handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682326.1U CN211149898U (en) | 2019-10-09 | 2019-10-09 | Heart fixing device for external heart operation exercise |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114431974A (en) * | 2022-02-18 | 2022-05-06 | 刘大伟 | Fixator for heart surgical transplantation and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114431974A (en) * | 2022-02-18 | 2022-05-06 | 刘大伟 | Fixator for heart surgical transplantation and use method thereof |
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Effective date of registration: 20210827 Address after: 430000, no.753, Jinghan Avenue, Wuhan, Jianghan District, Wuhan, Hubei Province Patentee after: WUHAN ASIA HEART Hospital Patentee after: Wuhan Asia Industrial Co.,Ltd. Address before: 430000, no.753, Jinghan Avenue, Wuhan, Jianghan District, Wuhan, Hubei Province Patentee before: WUHAN ASIA HEART Hospital |