CN215129304U - Special distraction device of cardiac operation - Google Patents
Special distraction device of cardiac operation Download PDFInfo
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- CN215129304U CN215129304U CN202121360043.2U CN202121360043U CN215129304U CN 215129304 U CN215129304 U CN 215129304U CN 202121360043 U CN202121360043 U CN 202121360043U CN 215129304 U CN215129304 U CN 215129304U
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Abstract
The utility model discloses a special distraction device of cardiac operation, include: the support body, the screw rod, the adjusting handle and the plurality of support rods; the screw rod is in threaded connection with the middle of the support body and penetrates through the middle of the support body; the upper end of the screw rod is fixedly connected with the adjusting handle; the supporting rods are uniformly distributed around the supporting body; the lower end of the screw is provided with a stress disc, and the periphery of the stress disc can be in pivot connection with a plurality of adjusting rods; and the other end of each adjusting rod is connected with the supporting rod in a sliding manner. The utility model discloses this strutting arrangement can adjust convenience, accurate regulation, and can expand the operation field of vision, vacates operating space, makes the operation of performing the operation more convenient, improves operation efficiency.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say so and relate to a special distraction device of cardiac operation.
Background
In medical treatment, when a method such as drug treatment is ineffective for patients with moderate or severe myocardial hypertrophy, surgical intervention needs to be considered, and hypertrophic ventricular septal muscle tissue is partially cut off by using a surgical operation, so as to achieve the purposes of relieving outflow obstruction, relieving symptoms and preventing complications. In the operation process, the root of the ascending aorta needs to be transversely cut, the right coronary valve is pulled forwards by a draw hook, the U-shaped cardiac muscle is cut from the front of the ventricular septum by a circular-blade knife, partial ventricular septum is cut from the midpoint of the right coronary valve to the apex direction of the heart, and the cutting range usually needs to extend to the anterior leaflet of the left mitral valve. The existing problems are that after the root of the autonomic artery is cut, the ventricle for operation is narrow, the visual field of a surgeon is limited, the operation space is small, so that the surgical instruments are difficult to accurately and effectively reach the focus, the operation is difficult to achieve, and the smooth operation is not facilitated.
Therefore, how to provide a special distraction device for cardiac surgery, which can be adjusted conveniently and accurately, can expand the surgical field of vision, vacate the operation space, make the surgical operation more convenient, and improve the surgical efficiency, is one of the technical problems to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a special distraction device for cardiac surgery, which is provided to solve the above-mentioned deficiencies.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken:
a cardiac surgery specific distraction device comprising: the support body, the screw rod, the adjusting handle and the plurality of support rods; the screw rod is in threaded connection with the middle of the support body and penetrates through the middle of the support body; the upper end of the screw rod is fixedly connected with the adjusting handle; the supporting rods are uniformly distributed around the supporting body;
the lower end of the screw is provided with a stress disc, and the periphery of the stress disc can be in pivot connection with a plurality of adjusting rods; and the other end of each adjusting rod is connected with the supporting rod in a sliding manner.
Preferably, the number of the support rods is 4.
Preferably, the number of the adjusting rods is 4; and is arranged corresponding to the 4 support rods one by one.
Preferably, the lower end of the support rod is also provided with a circular support plate.
Preferably, the upper end of each support rod is detachably connected with the support body through a fixture block.
Preferably, each bracing piece middle part all overlaps and is equipped with sliding sleeve and the spout rather than the looks adaptation.
The beneficial effects of the above technical scheme are: after the supporting rod is implanted into the heart cavity, the sliding sleeve is in contact with the inner wall of the heart cavity, the sliding sleeve is in a movable contact mode, the sliding sleeve is always in contact with the inner wall in the up-and-down moving process of the supporting rod, and the supporting rod cannot slide relative to the inner wall of the heart cavity when moving relative to the sliding sleeve so as to protect the inner wall of the heart cavity.
Preferably, the upper part of each support rod is a straight rod, and the lower end of each support rod is approximately in an S shape.
Preferably, each of the adjusting levers may pivot at an angle of 45 ° to 90 °.
The utility model discloses for prior art gain following technological effect:
the utility model adopts a relatively simple strutting structure, reduces the volume of the occupied space of the strutting device as low as possible, leaves more sufficient operation space for the operation and is convenient for the operation of the operation; the opening angle and the force of the opening device can be adjusted conveniently, the opening angle and the force can be adjusted through the rotation of the screw rod, the opening angle can be changed by rotating the screw rod through the adjusting handle and changing the distance between the stress disc and the bottom end of the supporting body, the heart cavity of a patient can be properly expanded according to different conditions and actual needs, and the heart cavity is convenient to perform an operation after being fixed; the structure is light and handy, can adapt to heart chamber inner structure through setting up above-mentioned bracing piece, and the elasticity of accessible heart chamber wall keeps the fixed of its self position, need not supplementary fixed, labour saving and time saving.
Drawings
Fig. 1 is a schematic structural view of a device for heart rehabilitation training of the present invention;
in the figure: 1. a support body; 2. a screw; 3. an adjusting handle; 4. a support bar; 41. a sliding sleeve; 42. a chute; 5. a force-bearing plate; 6. adjusting a rod; 7. a circular support plate; 8. and (7) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1, a distraction device special for cardiac surgery includes: the device comprises a support body 1, a screw rod 2, an adjusting handle 3 and 4 support rods 4; the screw rod 2 is in threaded connection with the middle of the support body 1 and penetrates through the middle of the support body 1; the upper end of the screw rod 2 is fixedly connected with the adjusting handle 3; 4 support rods 4 are uniformly distributed around the support body 1; the lower end of the screw rod 2 is provided with a stress disc 5, and the periphery of the stress disc 5 is pivotally connected with 4 adjusting rods 6; the other end of each adjusting rod 6 is connected with a corresponding supporting rod 4 in a sliding way; the upper end of each support rod 4 is detachably connected with the support body 1 through a fixture block 8; and the middle part of each support rod 4 is sleeved with a sliding sleeve 41 and a sliding groove 42 matched with the sliding sleeve.
In this embodiment, the lower end of the support rod 4 is also provided with a circular support plate 7.
In this embodiment, each of the support rods 4 has a straight rod-shaped upper portion and an approximately "S" shaped lower portion.
In the present embodiment, each of the adjustment levers 6 is pivotable through an angle of 45 °.
In other embodiments, each of the adjustment levers 6 can pivot through an angle of 75 °, 90 °.
The working principle is as follows: when in use, the handle 1 can rotate to drive the screw rod 2 to rotate. The screw rod 2 rotates to enable the stress disc 5 connected with the bottom of the screw rod 2 to move up and down, in the process that the cutting sleeve 5 moves up and down, the angle between the adjusting rod 6 and the supporting rod 4 can be changed, the opening amplitude between the supporting rod 4 and the adjusting rod 6 can be changed through accurate angle adjustment, the operation is facilitated through control of the opening amplitude, the supporting rod 4 can adapt to the internal structure of a heart cavity, the position of the supporting rod can be fixed through the elasticity of the wall of the heart cavity, and auxiliary fixation is not needed; after the support rod 4 is implanted into the heart chamber, the sliding sleeve 41 contacts with the inner wall of the heart chamber, which is a movable contact manner, and the sliding sleeve 41 always contacts with the inner wall when the support rod 4 moves up and down, and the support rod 4 does not slide relative to the inner wall of the heart chamber when moving relative to the sliding sleeve 41, so as to protect the inner wall of the heart chamber.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. A special distraction device for cardiac surgery, comprising: the device comprises a support body (1), a screw rod (2), an adjusting handle (3) and a plurality of support rods (4); the screw rod (2) is in threaded connection with the middle of the support body (1) and penetrates through the middle of the support body (1); the upper end of the screw rod (2) is fixedly connected with the adjusting handle (3); the supporting rods (4) are uniformly distributed around the supporting body (1);
the lower end of the screw rod (2) is provided with a stress disc (5), and the periphery of the stress disc (5) can be connected with a plurality of adjusting rods (6) in a pivoting way; and the other end of each adjusting rod (6) is connected with the supporting rod (4) in a sliding way.
2. A distraction device according to claim 1, wherein said support rods (4) are arranged in 4 numbers.
3. The special distraction device for cardiac surgery according to claim 1, wherein said adjusting rods (6) are provided in 4 numbers; and are arranged corresponding to the 4 support rods (4) one by one.
4. A special distraction device for cardiac surgery according to claim 1, wherein a circular support plate (7) is further arranged at the lower end of the support rod (4).
5. A special distraction device for cardiac surgery according to claim 1 or 2, wherein the upper end of each support rod (4) is detachably connected with the support body (1) through a fixture block (8).
6. The distraction device special for cardiac surgery according to claim 5, wherein a sliding sleeve (41) and a sliding groove (42) matched with the sliding sleeve are sleeved at the middle part of each supporting rod (4).
7. A distraction device special for cardiac surgery according to claim 1, wherein each of said adjustment rods (6) can pivot at an angle of 45 ° to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121360043.2U CN215129304U (en) | 2021-06-18 | 2021-06-18 | Special distraction device of cardiac operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121360043.2U CN215129304U (en) | 2021-06-18 | 2021-06-18 | Special distraction device of cardiac operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129304U true CN215129304U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121360043.2U Active CN215129304U (en) | 2021-06-18 | 2021-06-18 | Special distraction device of cardiac operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129304U (en) |
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2021
- 2021-06-18 CN CN202121360043.2U patent/CN215129304U/en active Active
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