CN112022374A - Retractable negative pressure suction type heart fixator for minimally invasive surgery and use method - Google Patents
Retractable negative pressure suction type heart fixator for minimally invasive surgery and use method Download PDFInfo
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- CN112022374A CN112022374A CN202011073056.1A CN202011073056A CN112022374A CN 112022374 A CN112022374 A CN 112022374A CN 202011073056 A CN202011073056 A CN 202011073056A CN 112022374 A CN112022374 A CN 112022374A
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- negative pressure
- pipe
- metal connecting
- fixer
- pressure suction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
Abstract
The invention relates to a contractible negative pressure suction type heart fixer for minimally invasive surgery and a using method thereof, belonging to the technical field of cardiothoracic surgery. Scalable negative pressure suction fixed head connects the metal connecting pipe, and the metal connecting pipe connects rotatory spanner and support, and the negative pressure attracts during the pipe inserts rotatory spanner, and the one end and the three-way valve of negative pressure suction pipe are connected, and during the built-in metal connecting pipe of connection of negative pressure suction fixed head, conveyor was located the inner chamber of metal connecting pipe and rotatory spanner, and medical silica gel software parcel V type pipe, the front end of V type pipe were the negative pressure and attract the hole. The minimally invasive transmission tube with the diameter not larger than 8mm transmits the retractable heart fixing head to the surface of the tissue to be fixed in the operation through the transmission tube, so that the integrity of the sternum is ensured, and postoperative pain, incision infection and other complications are obviously reduced; the operation has less bleeding, and even the conventional blood transfusion is not needed after the operation; the influence on the heart and lung functions is small, and the recovery is fast; the operation has less damage and quicker recovery, and simultaneously, the operation time is greatly saved.
Description
Technical Field
The invention relates to a contractible negative pressure suction type heart fixer for minimally invasive surgery and a using method thereof, belonging to the technical field of cardiothoracic surgery.
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. The minimally invasive coronary artery bypass surgery with small incision is a minimally invasive surgery for treating anterior descending simple substance lesion or combined diagonal branch lesion by taking a left anterior external incision and using a left internal mammary artery through intercostal space, has small trauma, quick recovery and short hospitalization time, and has incomparable advantages of a drug eluting stent.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a contractible negative pressure suction type heart fixer for minimally invasive surgery and a using method thereof.
The utility model provides a type heart fixer is inhaled with collapsible negative pressure to minimal access surgery, metal connecting pipe is connected to scalable negative pressure suction fixed head, rotary spanner and support are connected to metal connecting pipe, the negative pressure attracts the pipe to insert in the rotary spanner, the one end and the three-way valve connection of negative pressure suction pipe, the built-in metal connecting pipe of connection of negative pressure suction fixed head, conveyor is located metal connecting pipe and rotary spanner's inner chamber, medical silica gel software parcel V type pipe, the front end of V type pipe is the vacuum suction hole, V type pipe passes through the axle and is connected with the connecting rod, V type pipe can open and be closed, the other end and the V type union coupling of vacuum suction pipe, the vacuum suction pipe is located metal connecting pipe's inner chamber.
The metal connecting pipe is externally provided with a metal round pipe. The outer diameter of the metal connecting pipe is 8 mm.
A method for using a retractable negative pressure suction type heart fixer for minimally invasive surgery comprises the following steps; connecting the fixer with the bedside support; penetrating the transmission pipe through the puncture hole; a transport fixing head; the transmission pipe is connected with the handle knob after being adjusted in position; one end of a conduit of the three-way valve is connected with a conduit of the fixer, the other end of the conduit is connected with the fluid filter tank, the valve is ensured to be closed, the remaining section of vacuum tube is connected with a proper negative pressure gas source, the range of the negative pressure value is set to be 200 plus 400mmhg, the head of the fixer with strong bending flexibility is gently bent, the valve of the negative pressure source is opened, and the fixer is fixed on the bedside support after the fixed point is determined; removing the fixator after the operation is completed: the ventilation valve is adjusted to the atmospheric pressure position to eliminate negative pressure, the fixer handle bedside support is moved away, the handle and the transmission pipe are unscrewed, the fixing head is withdrawn into the transmission pipe along the transmission pipe, and the transmission device is withdrawn.
The invention has the advantages that the minimally invasive transmission tube with the diameter not more than 8mm is provided, the retractable heart fixing head is transmitted to the surface of the tissue to be fixed in the operation and the small incision in the intercostal space through the transmission tube, the integrity of the sternum is ensured, and therefore, postoperative pain, incision infection and other complications are obviously reduced; the operation has less bleeding, and even the conventional blood transfusion is not needed after the operation; the influence on the heart and lung functions is small, and the recovery is fast; the operation has less damage and quicker recovery, and simultaneously, the operation time is greatly saved.
Drawings
A more complete appreciation of the invention and many of the attendant advantages thereof will be readily obtained as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein the accompanying drawings are included to provide a further understanding of the invention and form a part of this specification, and wherein the illustrated embodiments of the invention and the description thereof are intended to illustrate and not limit the invention, as illustrated in the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a fixing head structure according to the present invention.
The invention is further illustrated with reference to the following figures and examples.
Detailed Description
It will be apparent that those skilled in the art can make many modifications and variations based on the spirit of the present invention.
It will be apparent to those skilled in the art that, as used herein, the singular forms "a," "an," "the," and "the" may include the plural forms as well, unless expressly stated otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element, component or section is referred to as being "connected" to another element, component or section, it can be directly connected to the other element or section or intervening elements or sections may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description, "plurality" means two or more unless specifically limited otherwise.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
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.
The following examples are further illustrative in combination for ease of understanding the examples and are not intended to limit the embodiments of the invention.
Example 1: as shown in fig. 1, a retractable negative pressure suction type heart fixing device for minimally invasive surgery, a retractable negative pressure suction fixing head 1 is connected with a metal connecting pipe 2, the metal connecting pipe 2 is connected with a rotary wrench 3 and a support 4, a negative pressure suction pipe 7 is inserted into the rotary wrench 3, and one end of the negative pressure suction pipe 7 is connected with a three-way valve 6.
The negative pressure suction fixing head 1 positioned at the front end comprises a V-shaped pipe 8 made of memory nickel-titanium alloy materials, the V-shaped pipe 8 is connected with a medical silica gel soft body 9, the negative pressure suction fixing head 1 is internally connected with a metal connecting pipe, and the conveying device 5 is positioned in the inner cavities of the metal connecting pipe 2 and the rotary wrench 3.
The negative pressure suction fixing head 1 located at the front end comprises a V-shaped pipe 8 made of memory nickel-titanium alloy materials, a medical silica gel soft body 9, a negative pressure suction hole 10, a negative pressure suction pipe 7 and a three-way valve 6, the medical silica gel soft body 9 wraps the V-shaped pipe 8, the front end of the V-shaped pipe 8 is the negative pressure suction hole 10, the V-shaped pipe 8 is connected with a connecting rod through a shaft, the V-shaped pipe 8 can be opened and closed, the other end of the negative pressure suction pipe 7 is connected with the V-shaped pipe 8, and the negative pressure suction pipe 7 is located in an inner cavity of.
In the ceaseless jumping bypass surgery, the negative pressure suction type fixing head 1 is pushed out to the surface of the heart through the sliding conveying device 5, and the stably jumping surface of the heart is sucked through the negative pressure to perform anastomosis of the bypass blood vessel.
The metal connecting pipe 2 is made of 316L medical stainless steel, the metal round pipe is arranged outside the metal connecting pipe 2, and holes are punched in the rib gaps to directly penetrate into the surface operation position of the heart, so that large-range incision operation is avoided, and operation wounds are reduced.
The support 4 is fixed on the corresponding rib retractor, can be rotated by 360 degrees, and is simple, convenient and flexible.
The rotary wrench 3 can adjust the negative pressure suction fixing head in multiple angles, so as to ensure the fixing effect in the operation.
The negative pressure suction type fixed head 1 at the front end is connected with a rotary wrench 3 and a support 4 at the rear part into a whole through a metal connecting pipe 2; the metal connecting pipe 2 has an outer diameter of 8mm, and can reduce penetration resistance during puncture by using a 316L medical-grade stainless steel round pipe.
Example 2: as shown in figure 1, a method for using a retractable negative pressure suction fixator for minimally invasive surgery, the core components of the retractable negative pressure suction fixator for minimally invasive surgery are a fixing head and a metal connecting pipe, and the negative pressure suction fixator is made of memory nickel-titanium alloy and can be opened, fixed and retracted.
A use method of a retractable negative pressure suction fixer for minimally invasive surgery comprises the following steps; installing a fixer; connecting the fixer with the bedside support; passing the delivery tube through the puncture of the patient; delivering a fixation head to the heart tissue to be fixed; the transmission pipe is connected with the handle knob after being adjusted in position; one end of the conduit of the three-way valve is connected with the conduit of the fixer, and the other end is connected with a fluid filtering tank (not included). The valve is ensured to be closed, the remaining section of vacuum tube is connected with a proper negative pressure air source, and the negative pressure value range is set to be 200-400 mmhg.
The anchor head, which is highly flexible, is gently curved so that it conforms to the curvature of the heart surface. The anchor head was placed on the surface of the heart and the valve of the negative pressure source was opened. After the fixing point is determined, the fixer is fixed on the bedside support.
Removing the fixator after the operation is completed: the vent valve is adjusted to the atmospheric pressure position to eliminate the negative pressure. And (4) moving the holder handle bedside support away, unscrewing the handle and the transmission pipe, withdrawing the fixing head into the transmission pipe along the transmission pipe, and withdrawing the transmission device.
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 spirit and scope of the present invention. Therefore, such modifications are also all included in the scope of protection of the present invention.
Claims (4)
1. The utility model provides a type heart fixer is inhaled with collapsible negative pressure to minimal access surgery, its characterized in that scalable negative pressure attracts the fixed head and connects the metal connecting pipe, metal connecting pipe connects rotatory spanner and support, the negative pressure attracts the pipe to insert in the rotatory spanner, the one end and the three-way valve connection of pipe are inhaled to the negative pressure, the negative pressure attracts during the built-in metal connecting pipe of connecting of fixed head, conveyor is located the inner chamber of metal connecting pipe and rotatory spanner, medical silica gel software parcel V type pipe, the front end of V type pipe is the vacuum suction hole, V type pipe passes through the axle and is connected with the connecting rod, V type pipe can open and close, the other end and the V type union coupling of vacuum suction pipe, vacuum suction pipe is located the inner chamber of.
2. The heart fixing device of claim 1, wherein the metal connecting tube is a metal circular tube at the outside.
3. The heart fixator of the retractable negative pressure suction type for minimally invasive surgery as claimed in claim 1, wherein the metal connecting tube has an outer diameter of 8 mm.
4. A method for using a retractable negative pressure suction type heart fixer for minimally invasive surgery is characterized by comprising the following steps; connecting the fixer with the bedside support; penetrating the transmission pipe through the puncture hole; a transport fixing head; the transmission pipe is connected with the handle knob after being adjusted in position; one end of a conduit of the three-way valve is connected with a conduit of the fixer, the other end of the conduit is connected with the fluid filter tank, the valve is ensured to be closed, the remaining section of vacuum tube is connected with a proper negative pressure gas source, the range of the negative pressure value is set to be 200 plus 400mmhg, the head of the fixer with strong bending flexibility is gently bent, the valve of the negative pressure source is opened, and the fixer is fixed on the bedside support after the fixed point is determined; removing the fixator after the operation is completed: the ventilation valve is adjusted to the atmospheric pressure position to eliminate negative pressure, the fixer handle bedside support is moved away, the handle and the transmission pipe are unscrewed, the fixing head is withdrawn into the transmission pipe along the transmission pipe, and the transmission device is withdrawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011073056.1A CN112022374A (en) | 2020-10-09 | 2020-10-09 | Retractable negative pressure suction type heart fixator for minimally invasive surgery and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011073056.1A CN112022374A (en) | 2020-10-09 | 2020-10-09 | Retractable negative pressure suction type heart fixator for minimally invasive surgery and use method |
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| Publication Number | Publication Date |
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| CN112022374A true CN112022374A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011073056.1A Pending CN112022374A (en) | 2020-10-09 | 2020-10-09 | Retractable negative pressure suction type heart fixator for minimally invasive surgery and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558521A (en) * | 2020-12-08 | 2021-03-26 | 北京信息科技大学 | Air passage control method of heart fixator based on ARM embedded platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5749892A (en) * | 1994-08-31 | 1998-05-12 | Heartport, Inc. | Device for isolating a surgical site |
| US20020137982A1 (en) * | 1996-02-20 | 2002-09-26 | Taylor Charles S. | Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery |
| JP2004148061A (en) * | 2002-10-28 | 2004-05-27 | Sky Net:Kk | Heart holder for coronary artery bypass operation |
| CN202497177U (en) * | 2012-06-29 | 2012-10-24 | 北京米道斯医疗器械有限公司 | Minimally invasive heart fixator |
| CN208942293U (en) * | 2018-06-01 | 2019-06-07 | 东莞康华医院有限公司 | A kind of aspirator with clamp function |
-
2020
- 2020-10-09 CN CN202011073056.1A patent/CN112022374A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5749892A (en) * | 1994-08-31 | 1998-05-12 | Heartport, Inc. | Device for isolating a surgical site |
| US20020137982A1 (en) * | 1996-02-20 | 2002-09-26 | Taylor Charles S. | Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery |
| JP2004148061A (en) * | 2002-10-28 | 2004-05-27 | Sky Net:Kk | Heart holder for coronary artery bypass operation |
| CN202497177U (en) * | 2012-06-29 | 2012-10-24 | 北京米道斯医疗器械有限公司 | Minimally invasive heart fixator |
| CN208942293U (en) * | 2018-06-01 | 2019-06-07 | 东莞康华医院有限公司 | A kind of aspirator with clamp function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558521A (en) * | 2020-12-08 | 2021-03-26 | 北京信息科技大学 | Air passage control method of heart fixator based on ARM embedded platform |
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