CN111588477A - Left atrium pruning measurer for transplanted heart and using method thereof - Google Patents
Left atrium pruning measurer for transplanted heart and using method thereof Download PDFInfo
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- CN111588477A CN111588477A CN202010519183.3A CN202010519183A CN111588477A CN 111588477 A CN111588477 A CN 111588477A CN 202010519183 A CN202010519183 A CN 202010519183A CN 111588477 A CN111588477 A CN 111588477A
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- air bag
- left atrium
- measuring plate
- pruning
- gasbag
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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
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
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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
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3904—Markers, e.g. radio-opaque or breast lesions markers specially adapted for marking specified tissue
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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
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3991—Markers, e.g. radio-opaque or breast lesions markers having specific anchoring means to fixate the marker to the tissue, e.g. hooks
Abstract
The invention relates to a pruning and measuring device for a transplanted heart left atrium and a using method thereof, and the pruning and measuring device comprises an oval measuring plate and an operating rod vertically penetrating through the measuring plate, wherein the edge of the measuring plate is connected with an adjusting air bag, a sealed inflation cavity is formed between the adjusting air bag and the measuring plate, one end of the operating rod penetrates out of the adjusting air bag and is connected with a positioning air bag, the other end of the operating rod is provided with a hand-pinch type air bag, the operating rod is internally provided with a vent groove, a section of the operating rod positioned in the adjusting air bag is provided with a vent hole, the hand-pinch type air bag, the positioning air bag and the adjusting air bag are mutually communicated through the vent groove and the vent hole, and the hand-pinch type. The invention is used for trimming the left atrium of the transplanted heart before the heart transplantation operation, can measure and mark the incision size and the tissue excision amount to be trimmed according to the requirement, ensures the trimming accuracy and reduces the operation difficulty.
Description
The technical field is as follows:
the invention relates to the technical field of medical instruments, in particular to a pruning measurer for a transplanted heart left atrium and a using method thereof.
Background art:
in heart transplantation surgery, in order to ensure good anastomosis between the donor heart and the recipient during surgery, reduce the difficulty of surgery and increase efficiency, the donor heart needs to be trimmed before surgery. After the donor heart is removed, the following trimming steps are required: (1) cutting the right atrium from the inferior vena cava mouth to the direction of the connection line of the right auricle until the root of the right auricle; (2) trimming and trimming the broken ends of the aorta and the pulmonary artery to keep the lengths of the aorta and the pulmonary artery as much as possible; (3) respectively checking the mitral valve and the tricuspid valve, and sewing if the patent foramen ovale is found; (4) an X-shaped cross incision was made along the four pulmonary vein entrances to cut the posterior wall of the left atrium and remove the excess tissue as a single opening (see FIG. 1). The donor heart processed by the steps can be subjected to transplantation operation. When carrying out left atrium back wall and cutting out the operation, because different doctor operation experience is different, incision area's size relies on doctor's subjective judgement, it is improper with the tissue excision volume to appear very easily that incision area, and the incision undersize can lead to left atrium back wall residual tissue too much, causes postoperative thrombus siltation, and the incision is too big to lead to left atrium back wall residual tissue too little, can lead to follow-up the difficulty of sewing up to increase, can injure the coronary artery, increase operation risk. In patent No. ZL201420479715.5, a cylindrical hole-opening knife is disposed on the periphery of a connecting rod of a positioner, the lower section of the hole-opening knife is a thin-walled cylinder, and the lower end of the thin-walled cylinder is provided with an intermittent willow-leaf-shaped blade, so that holes can be positioned on a beating heart, and redundant heart walls can be cut off smoothly. However, this device can only be used to punch a hole in the heart for insertion of a tube, has a small punching area and cannot adjust the hole diameter, and is not suitable for making an appropriately sized incision in the posterior wall of the left atrium to match the recipient when the heart is transplanted, which makes subsequent surgical operations difficult.
The invention content is as follows:
the technical problem to be solved is as follows:
the invention aims to provide a pruning and measuring device for the left atrium of a transplanted heart and a using method thereof, which are used for opening the back wall of the left atrium of the transplanted heart during a heart transplantation operation and solve the problem that the operation of a subsequent operation is difficult because an incision with a proper size is difficult to manufacture on the transplanted heart in the prior art.
The technical scheme is as follows:
in order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a transplantation heart left atrium prunes caliber, includes that oval-shaped measuring plate and perpendicular pass the action bars of measuring plate, the edge of measuring plate is connected with the regulation gasbag, adjust the gasbag with form sealed inflation chamber between the measuring plate, the one end of action bars is worn out adjust the gasbag and outer and be connected with the location gasbag, the other end of action bars is equipped with the hand formula gasbag of holding between the fingers, be equipped with the air duct in the action bars, be in adjust one section in the gasbag be equipped with the air vent on the action bars, the hand formula gasbag of holding between the fingers the location gasbag with adjust the gasbag and pass through the air duct with the air vent communicates each other, be equipped with one-way admission valve on the hand formula gasbag of holding between the fingers.
The measuring plate is used for limiting the shape and the expansion direction of the adjusting air bag and facilitating measurement and calculation of the perimeter of the incision, the adjusting air bag is used for pressing on the inner wall of the left atrium, the contact position of the edge of the adjusting air bag and the inner wall of the left atrium can be marked by drawing lines through a biological marker pen, the size of the adjusting air bag is adjusted through inflation and expansion, the size of the incision area can be adjusted, so that an incision with a proper size is made on the back wall of the left atrium as required, subsequent transplantation operation is facilitated, the positioning air bag is used for being inserted into the left ventricle below the mitral valve and positioning the adjusting air bag and the position of the operating rod, the operating rod is prevented from moving when the adjusting air bag is inflated, the accuracy of the drawing lines is influenced, and the hand-pinch type air bag is used for inflating the positioning air bag and the adjusting air, the one-way air inlet valve is used for controlling the outside air to enter the hand-pinch type air bag in a one-way mode.
Furthermore, the upside border of measuring the board is equipped with two openings, two the opening symmetry sets up the both sides of measuring the board will the outer fringe equipartition of measuring the board, the opening is used for respectively and aligns with upper and lower pulmonary vein entry on the left atrium before the setting-out, to the ellipse the angle of putting of measuring the board is fixed a position, guarantees that the position of setting-out and the shape and the direction of incision satisfy the operation requirement.
Furthermore, the measuring plate is provided with an air release port, the air release port is in threaded connection with a plug, and the air release port is used for releasing air in the adjusting air bag and the positioning air bag, so that the measuring plate is convenient to use.
Furthermore, the adjusting air bag and the positioning air bag are made of elastic plastic films, the wall thickness of the adjusting air bag is smaller than that of the positioning air bag, and the expansion degree of the adjusting air bag is larger than that of the positioning air bag under the condition of the same air pressure in the inflation cavity, so that the positioning air bag is prevented from being excessively expanded in the left ventricle to cause extrusion damage to the heart.
Furthermore, the large diameter of the measuring plate is 40-45mmmm, and the small diameter is 30-35mm, so that the size requirement of most human heart transplantation operation cuts can be met.
Further, the distance between the measuring plate and the bottom of the adjusting air bag is 10-25mm so as to meet the requirement of the distance between the resection part and the entrance of the mitral valve.
The invention also discloses a using method of the pruning and measuring device for the left atrium of the transplanted heart, which comprises the following steps:
before trimming the back wall of the left atrium, performing X-shaped crossed incisions along four pulmonary vein inlets on the left atrium to cut the back wall of the left atrium, turning open tissues at the incisions to expose the inlet of a mitral valve in the left atrium, inserting one end of the operating rod, which is provided with the positioning air bag, into the left ventricle along the inlet of the mitral valve, and placing the adjusting air bag and the measuring plate in the left atrium;
secondly, the hand-pinch type air bag is pinched, the adjusting air bag and the positioning air bag are inflated through the vent groove and the vent hole, the adjusting air bag and the positioning air bag are expanded, a mitral valve is propped against the position of the operating rod, the edge of the adjusting air bag is pressed on the inner wall of the left atrium, a biological marker pen is used for marking the tissue to be cut along the edge of the adjusting air bag, which is in contact with the inner wall of the left atrium, a trimming line is formed, and the area size of the part to be cut is controlled by controlling the size of the adjusting air bag;
and step three, trimming along trimming lines made by the biological marker pen by using surgical scissors, and cutting off redundant tissues at the incision for subsequent transplantation operation.
(III) the beneficial effects are as follows:
compared with the prior art, the invention has the following beneficial effects: through set up the action bars that pass the measuring panel perpendicularly on oval-shaped measuring plate, the marginal connection of measuring the board adjusts the gasbag, adjust and form sealed inflation chamber between gasbag and the measuring panel, the one end of action bars is worn out and is adjusted the gasbag and connect the location gasbag outward, the other end of action bars sets up the formula gasbag of holding between the fingers, can measure suitable incision size and supplementary setting-out on the left atrium of transplanting the heart, confirm accurate incision area and tissue excision volume, be convenient for prune the operation, effectively reduce the operation degree of difficulty of follow-up operation.
Description of the drawings:
in order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic representation of a grafted heart after trimming at the left atrium of the heart;
FIG. 2 is a cross-sectional view of the left atrium as it is not trimmed away during a heart grafting procedure;
FIG. 3 is a cross-sectional view of a configuration of a grafted heart left atrial pruning measurer according to an embodiment of the present invention;
FIG. 4 is a front view of a grafted heart left atrial pruning measurer in use, according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a grafted heart left atrial pruning meter according to embodiments of the present invention in use;
FIG. 6 is a schematic view of the left atrium after trimming for suturing during a heart grafting procedure;
in the figure: 1. measuring a plate; 2. an operating lever; 3. adjusting the air bag; 4. an inflation cavity; 5. positioning the air bag; 6. a hand-pinch air bag; 7. a vent channel; 8. a vent hole; 9. a one-way intake valve; 10. opening the gap; 11. an air release port; 12. a plug; 13. a biological marker pen; 14. the left atrium; 15. a left ventricle; 16. cutting; 17. cutting off the part; 18. the mitral valve; 19. trimming line
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a pruning measuring device for the left atrium of a transplanted heart comprises an oval measuring plate 1 and an operating rod 2 vertically penetrating through the measuring plate 1, the edge of the measuring plate 1 is connected with an adjusting airbag 3, a sealed inflation cavity 4 is formed between the adjusting airbag 3 and the measuring plate 1, one end of the operating rod 2 penetrates out of the adjusting airbag 3 and is connected with a positioning airbag 5, the other end of the operating rod 2 is provided with a hand-pinch airbag 6, a vent groove 7 is arranged in the operating rod 2, a vent hole 8 is arranged on one section of the operating rod 2 in the adjusting airbag 3, the hand-pinch airbag 6, the positioning airbag 5 and the adjusting airbag 3 are mutually communicated through the vent groove 7 and the vent hole 8, and a one-way air inlet valve 9 is.
Preferably, the upside border of measuring board 1 is equipped with two notches 10, and two notches 10 symmetry set up in the both sides of measuring board 1, will measure the outer fringe of board 1 and divide equally, and notch 10 is used for aligning with upper and lower pulmonary vein entry on the left atrium respectively before the setting-out, fixes a position the angle of putting of oval measuring board 1, guarantees that the position of setting-out and the shape and the direction of incision satisfy the operation requirement.
Preferably, the measurement plate 1 is provided with an air release port 11, the air release port 11 is in threaded connection with a plug 12, and the air release port 11 is used for releasing air in the adjustment air bag 3 and the positioning air bag 5, so that the use is convenient.
Preferably, the adjusting air bag 3 and the positioning air bag 5 are both made of elastic plastic films, the wall thickness of the adjusting air bag 3 is smaller than that of the positioning air bag 5, and the expansion degree of the adjusting air bag 3 is larger than that of the positioning air bag 5 under the condition of the same air pressure in the inflation cavity 4, so that the positioning air bag 5 is prevented from being excessively expanded in the left ventricle 15 to cause extrusion injury to the heart.
Preferably, the measuring plate 1 has a major diameter of 40-45mmmm and a minor diameter of 30-35mm, so as to meet the size requirement of most human heart transplantation operation incisions.
Preferably, the distance between the measuring plate 1 and the bottom of the adjustment balloon 3 is 10-25mm to meet the requirement of the distance between the resection site 17 and the entrance of the mitral valve 18.
The measuring plate 1 is used for limiting the shape and the expansion direction of the adjusting air bag 3, is convenient for measuring and calculating the perimeter of the incision 16, the adjusting air bag 3 is used for pressing the inner wall of the left atrium 14, the contact part of the edge of the adjusting air bag 3 and the inner wall of the left atrium 14 can mark the position needing to be trimmed by drawing lines through the biological marking pen 13, the size of the air bag 3 is controlled and adjusted through inflation, the size of the area of the cut 16 can be adjusted, to make an appropriately sized incision 16 in the posterior wall of the left atrium 14, as needed, to facilitate subsequent implantation procedures, positioning balloon 5 for insertion into the left ventricle 15 below the mitral valve 18, the positions of the adjusting air bag 3 and the operating rod 2 are positioned, the operating rod 2 is prevented from moving when the adjusting air bag 3 is inflated, the accuracy of line drawing is affected, the hand-pinch type air bag 6 is used for inflating towards the positioning air bag 5 and the adjusting air bag 3, and the one-way air inlet valve 9 is used for controlling outside air to enter the hand-pinch type air bag 6 in a one-way mode.
The use method of the pruning measurer for the left atrium of the transplanted heart, provided by the embodiment of the invention, comprises the following steps of:
before trimming the back wall of the left atrium 14, making X-shaped crossed incisions along four pulmonary vein inlets on the left atrium 15 to cut the back wall of the left atrium 14, opening tissues at the incisions 14 to expose an inlet of a mitral valve 18 in the left atrium, inserting one end of an operating rod 2, which is provided with a positioning air bag 5, into the left atrium 15 along the inlet of the mitral valve 18, and placing an adjusting air bag 3 and a measuring plate 1 in the left atrium 14;
secondly, pinching a hand-pinched airbag 6, inflating the adjusting airbag 3 and the positioning airbag 5 through a vent groove 7 and a vent hole 8, expanding the adjusting airbag 3 and the positioning airbag 5, propping a mitral valve 18 to position the position of the operating rod 2, pressing the edge of the adjusting airbag 3 on the inner wall of the left atrium 14, marking the tissue to be cut along the edge of the adjusting airbag 3 in contact with the inner wall of the left atrium 14 by using a biological marker 13, making a trimming line 19, and controlling the area size of the part 17 to be cut by controlling the size of the adjusting airbag 3;
and step three, trimming along the trimming line 19 made by the biological marking pen 13 by using surgical scissors, and cutting off redundant tissues at the incision for subsequent transplantation operation.
In summary, the left atrium pruning and measuring device for the transplanted heart and the using method thereof provided by the invention are used for opening the posterior wall of the left atrium of the transplanted heart during the heart transplantation operation, and solve the problem that the operation of the subsequent operation is difficult because the incision with a proper size is difficult to be made on the transplanted heart in the prior art.
The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.
Claims (7)
1. A pruning caliber of left atrium of transplanted heart, which is characterized in that: including oval-shaped measuring plate and passing perpendicularly the action bars of measuring plate, the edge connection of measuring plate has the regulation gasbag, adjust the gasbag with form sealed chamber of aerifing between the measuring plate, the one end of action bars is worn out adjust the gasbag and outer and be connected with the location gasbag, the other end of action bars is equipped with the formula gasbag of pinching by hand, be equipped with the air duct in the action bars, be in adjust one section in the gasbag be equipped with the air vent on the action bars, the formula gasbag of pinching by hand the location gasbag with adjust the gasbag and pass through the air duct with the air vent communicates each other, be equipped with one-way admission valve on the formula gasbag of pinching by hand.
2. The grafted heart left atrium pruning measurer of claim 1 wherein: the edge of the upper side of the measuring plate is provided with two notches, and the two notches are symmetrically arranged on two sides of the measuring plate and divide the outer edge of the measuring plate into equal parts.
3. The grafted heart left atrium pruning measurer of claim 1 wherein: the measuring plate is provided with an air release port, and the air release port is in threaded connection with a plug.
4. The grafted heart left atrium pruning measurer of claim 1 wherein: the adjusting air bag and the positioning air bag are made of elastic plastic films, and the wall thickness of the adjusting air bag is smaller than that of the positioning air bag.
5. The grafted heart left atrium pruning measurer of claim 1 wherein: the large diameter of the measuring plate is 40-45mmmm, and the small diameter is 30-35 mm.
6. The grafted heart left atrium pruning measurer of claim 1 wherein: the distance between the measuring plate and the bottom of the adjusting air bag is 10-25 mm.
7. The method of using a grafted heart left atrial pruning measurer according to any one of claims 1 to 6, comprising the steps of:
before trimming the back wall of the left atrium, performing X-shaped crossed incisions along four pulmonary vein inlets on the left atrium to cut the back wall of the left atrium, turning open tissues at the incisions to expose the inlet of a mitral valve in the left atrium, inserting one end of the operating rod, which is provided with the positioning air bag, into the left ventricle along the inlet of the mitral valve, and placing the adjusting air bag and the measuring plate in the left atrium;
secondly, the hand-pinch type air bag is pinched, the adjusting air bag and the positioning air bag are inflated through the vent groove and the vent hole, the adjusting air bag and the positioning air bag are expanded, a mitral valve is propped against the position of the operating rod, the edge of the adjusting air bag is pressed on the inner wall of the left atrium, a biological marker pen is used for marking the tissue to be cut along the edge of the adjusting air bag, which is in contact with the inner wall of the left atrium, a trimming line is formed, and the area size of the part to be cut is controlled by controlling the size of the adjusting air bag;
and step three, trimming along trimming lines made by the biological marker pen by using surgical scissors, and cutting off redundant tissues at the incision for subsequent transplantation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010519183.3A CN111588477A (en) | 2020-06-09 | 2020-06-09 | Left atrium pruning measurer for transplanted heart and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010519183.3A CN111588477A (en) | 2020-06-09 | 2020-06-09 | Left atrium pruning measurer for transplanted heart and using method thereof |
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| CN111588477A true CN111588477A (en) | 2020-08-28 |
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| CN202010519183.3A Pending CN111588477A (en) | 2020-06-09 | 2020-06-09 | Left atrium pruning measurer for transplanted heart and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114099004A (en) * | 2021-10-29 | 2022-03-01 | 孙佳琪 | Incision positioner for female muscle ring tightening repair operation |
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2020
- 2020-06-09 CN CN202010519183.3A patent/CN111588477A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114099004A (en) * | 2021-10-29 | 2022-03-01 | 孙佳琪 | Incision positioner for female muscle ring tightening repair operation |
| CN114099004B (en) * | 2021-10-29 | 2023-10-27 | 孙佳琪 | Incision positioner for female muscle ring tightening repair operation |
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