CN211325241U

CN211325241U - Heart fixator suitable for rib incision

Info

Publication number: CN211325241U
Application number: CN201921797695.5U
Authority: CN
Inventors: 厉蕙蕙; 罗志军; 于洪生
Original assignee: Beijing Meadows Medical Equipment Co Ltd
Current assignee: Beijing Meadows Medical Equipment Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-25
Anticipated expiration: 2029-10-24

Abstract

The utility model provides a heart fixer suitable for rib incision, belongs to ambition surgery apparatus technical field, and hospital's negative pressure terminal passes through the fluid filter jar of pipe connection, and the fluid filters jar and connects the vacuum aspiration pipe, and the fixed head is connected to the other end of vacuum aspiration pipe, and the fixed head is connected transmission pole and linking arm respectively, and the linking arm is connected with the spanner of screwing, and the spanner of screwing is connected with support and rib retractor. The fixator is suitable for narrow-distance fixing heads of small incision surgeries, and the distance between two ends of the fixing heads is shortened as much as possible while the surgical area is met; on the premise of meeting the performance requirements of locking the connecting arm and the angle of the fixing head, the spherical disc matching mode is still adopted, the connecting arm is properly prolonged, and the length of the connecting arm of the fixator required by the coronary artery hybridization technology HCR operation is met.

Description

Heart fixator suitable for rib incision

Technical Field

The utility model relates to a heart fixer suitable for rib incision especially relates to the incessant jump bridging operation of heart, belongs to ambition surgery apparatus technical field.

Background

In recent years, cardiac surgery technology is continuously undergoing updating iteration, and then medical instruments are rapidly improved and innovated; the cardiac surgery, especially the ceaseless beating coronary artery tower bridge surgery of the heart, is developed at a rapid speed, thereby avoiding the adverse consequences of the ceaseless beating and bridging and the extracorporeal circulation surgery to patients.

In the conventional ceaseless beating coronary bypass surgery, a heart fixer is fixed on a sternum retractor, an operator cuts the sternum along the median line of the chest of a patient, exposes the chest, exposes the heart and performs heart surgery, and the method needs to completely cut the sternum of the patient, wherein the wound is about 20-25cm and is 24cm on average; after the heart is exposed, the operation area is selected according to different congestion positions of coronary arteries; the sternum wound is large, the psychology of a patient is difficult to accept, the recovery is relatively slow, and the physique before the operation is difficult to recover. With the development of the HCR technology of the coronary artery hybridization technology, the small-incision cardiac surgery is gradually developed and applied to clinic, when the cardiac surgery is performed, the left internal mammary artery is anastomosed with the blood vessel of the anterior descending branch by the cardiac fixator suitable for rib incision, the left internal mammary artery is only incised at the position of the chest rib of a patient, the incision is about 10-13cm, the average is 12cm, the small-incision cardiac surgery is very beneficial to the postoperative recovery of the patient, and the current cardiac fixator used in clinic is only suitable for the conventional cardiac surgery due to large volume and inflexible activity.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a heart fixer suitable for rib incision.

A hospital negative pressure terminal is connected with a fluid filtering tank through a pipeline, the fluid filtering tank is connected with a negative pressure suction tube, the other end of the negative pressure suction tube is connected with a fixing head, the fixing head is respectively connected with a transmission rod and a connecting arm, the connecting arm is connected with a screwing wrench, and the screwing wrench is connected with a support and a rib retractor.

The connecting arm can rotate at multiple angles; the rib retractor is matched with the fixer support to stabilize the fixer, and the hospital negative pressure terminal is connected with a negative pressure air source. The width of the fixed head is 24 +/-2 mm.

A method for using a heart fixer suitable for costotomy comprises the following steps of shortening the distance between two ends of a fixing head; satisfy locking linking arm and fixed head angle, adopt ball dish complex form, prolong to the linking arm.

The left internal mammary artery is anastomosed with the blood vessel of the anterior descending branch through the rib retractor, the negative pressure suction tube led out from the fixing head is finally connected to a negative pressure terminal of a hospital, a support of the fixator is fixed on the rib retractor for locking, an angle suitable for an operation and an operation area are selected through a transmission rod communicated with the fixing head, and finally, a screwing wrench is screwed down for fixing the operation area and a negative pressure air source is opened.

The utility model provides a narrow-distance fixed head suitable for small incision surgery, which can shorten the distance between the two ends of the fixed head as much as possible while satisfying the surgery area; on the premise of meeting the performance requirements of locking the connecting arm and the angle of the fixing head, the connecting arm is properly prolonged by adopting a ball disc matching mode, and the length of the connecting arm of the fixator required by the coronary artery hybrid blood transport reconstruction (HCR) operation is met.

Drawings

The invention itself, however, as well as a number of the attendant advantages thereof, will be best understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein:

fig. 1 is a schematic view of the heart fixation device of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Obviously, many modifications and variations of the present invention based on the spirit of the present invention will be apparent to those skilled in the art.

It will be appreciated by those skilled in the art that, unless otherwise specified, terms such as "mounted," "connected," and "secured" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art.

Example 1: a heart fixator suitable for rib incisions comprises a rib retractor 1, a fixing head 2, a transmission rod 3, a connecting arm 4, a support 5, a screwing wrench 6, a negative pressure suction tube 7, a fluid filter tank 8 and a hospital negative pressure terminal 9.

The hospital negative pressure terminal 9 is connected with the fluid filtering tank 8 through a pipeline, the fluid filtering tank 8 is connected with the negative pressure suction tube 7, the other end of the negative pressure suction tube 7 is connected with the fixing head 2, the fixing head 2 is respectively connected with the transmission rod 3 and the connecting arm 4, the connecting arm 4 is connected with the screwing wrench 6, and the screwing wrench 6 is connected with the support 5 and the rib retractor 1.

The fixed head 2 comprises a stable operation area part, a transmission position adjusting part connecting piece and a negative pressure suction part connecting piece; in order to adapt to small incisions, the effective width of the original fixing head 2 is reduced from 28 +/-2 mm to 24 +/-2 mm; the fixing head 2 and the negative pressure suction tube 7 are provided with connecting metal pieces, so that the metal pieces are additionally connected with the transmission rod 3 on the premise of ensuring the negative pressure performance of the fixer, and a doctor can conveniently select the positions in the using process.

The fixing head 2 is used for fixing the heart surface operation area by negative pressure and extrusion; the transmission rod 3 is used for enabling the fixing head to reach all angles of the heart target operation area through hand transmission; the connecting arm 4 is used for matching with the selection of the angle of the fixing head, and flexibly rotates at multiple angles as far as possible on the premise of ensuring the fixing performance; the negative pressure suction tube 7 is connected with the fluid filter tank and the fixing head to generate negative pressure suction, and the rib retractor 1 retracts ribs and is matched with the fixer support to stabilize the fixer body; the fluid filtering tank 8 sucks out blood and impurities through a negative pressure suction tube in the operation process, and the blood and the impurities are filtered through the fluid filtering tank 8 to prevent the negative pressure terminal from being polluted; the hospital negative pressure terminal 9 provides a negative pressure air source.

The heart fixer mainly comprises a fixing head 2, a transmission rod 3, a connecting arm 4, a support 5, a screwing wrench 6 and a negative pressure suction tube 7. The fixed head 2 comprises a part for stabilizing the operation area, a part for transmitting the position of the rod 3 and a part for establishing negative pressure suction; in order to adapt to small incisions, the effective width of the original fixed head is reduced from 28 +/-2 mm to 24 +/-2 mm; the original negative pressure suction tube of the fixing head is connected with the metal piece, so that the transmission rod 3 is added to the fixator on the premise of ensuring the negative pressure performance, and a doctor can conveniently select the position in the using process.

A heart fixer suitable for rib incision avoids cutting a sternum through a chest median line, exposing a chest cavity, exposing a heart and performing heart surgery, completes anastomosis of a left internal mammary artery and an anterior descending branch blood vessel through a rib retractor, and only cuts at the chest rib position of a patient, thereby greatly reducing surgical wound and reducing infection risk; the heart fixer is suitable for coronary artery cross-linked revascularization (HCR), before use, a negative pressure suction tube 7 led out from a fixing head 2 is finally connected to a negative pressure terminal of a hospital, a support 5 of the fixer is fixed on a rib retractor 1 for locking, an angle and an operation area suitable for an operation are selected through a transmission rod 3 communicated with the fixing head 2, and finally a screwing wrench 6 is screwed down for fixing the operation area and opening a negative pressure air source.

A heart fixer suitable for rib incision provides a narrow-distance fixing head suitable for small incision operation, and the distance between two ends of the fixing head is shortened as much as possible while the operation area is met; under the performance requirement prerequisite that satisfies locking linking arm and fixed head angle, still adopt ball dish complex form, carry out the moderate degree to the linking arm and prolong, satisfy coronary artery hybridization technique HCR required fixer linking arm length of operation, the fixed head constriction, the utility model discloses increase transmission rod 3.

As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the invention and its effects. Therefore, all such modifications are included in the scope of the present invention.

Claims

1. A heart fixator suitable for rib incisions is characterized in that a hospital negative pressure terminal is connected with a fluid filter tank through a pipeline, the fluid filter tank is connected with a negative pressure suction tube, the other end of the negative pressure suction tube is connected with a fixing head, the fixing head is respectively connected with a transmission rod and a connecting arm, the connecting arm is connected with a screwing wrench, and the screwing wrench is connected with a support and a rib retractor.

2. The heart fixator suitable for costal incision according to claim 1, wherein the connecting arm can rotate at multiple angles; the rib retractor is matched with the fixer support to stabilize the fixer, and the hospital negative pressure terminal is connected with a negative pressure air source.

3. A cardiac fixator for costotomy, according to claim 1 wherein the width of the fixation head is 24 ± 2 mm.