CN211327186U - Negative pressure suction structure for adsorbing tissues in heart chamber - Google Patents
Negative pressure suction structure for adsorbing tissues in heart chamber Download PDFInfo
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- CN211327186U CN211327186U CN201921778577.XU CN201921778577U CN211327186U CN 211327186 U CN211327186 U CN 211327186U CN 201921778577 U CN201921778577 U CN 201921778577U CN 211327186 U CN211327186 U CN 211327186U
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Abstract
The utility model provides a negative pressure suction structure for adsorbing tissues in a heart chamber, which comprises a hollow tubular cutter, wherein the head end of the cutter is provided with an adsorption groove which is communicated with a middle cavity of the cutter; the tail end of the cutter is connected with a negative pressure source. The utility model discloses simple structure, easy to operate can utilize and inhale negative pressure system and provide suction at the operation in-process, and it is fixed to strengthen the tissue, and convenient cutting can adsorb the piece tissue that the cutting produced in the lumen simultaneously, reduces the piece tissue and remains the risk in the patient internal.
Description
Technical Field
The utility model relates to an operation auxiliary instrument field specifically is a inhale negative pressure structure of adsorbing tissue in heart cavity.
Background
Hypertrophic obstructive cardiomyopathy is a myocardial morphological abnormality disease, the incidence rate of the disease in people is about 0.02-0.2%, namely about 500 people suffer from the disease, and the pathogenesis may be related to gene mutation, myocardial calcium kinetic abnormality and catecholamine substance secretion increase. The pathological mechanism of the disease is represented by asymmetric ventricular septal hypertrophy, hypertrophic cardiac muscle protrudes towards the left ventricle to reduce the volume of the left ventricle, the pressure step of the left ventricular outflow tract is obviously increased, the mitral valve moves forwards in the systolic period (SAM sign) and further aggravates the obstruction of the left ventricular outflow tract, and then the left ventricle is blocked in blood discharge, and the cardiac function is progressively deteriorated. The clinical symptoms of the disease mainly include chest pain, dyspnea, syncope and other heart failure symptoms, the untreated annual death rate is 1.7-4%, the sudden death is mostly caused by malignant arrhythmia, and the natural prognosis is poor.
The current treatment methods for hypertrophic obstructive cardiomyopathy mainly comprise drug treatment, double-cavity pacing treatment, alcohol ablation through coronary ventricular septa and myocardial ablation through open ventricular septa (Morrow and modified Morrow). Ventricular septal cardiomyopathy is the best treatment method at present for hypertrophic obstructive cardiomyopathy, but the method has large operation trauma and high difficulty, and only a few large heart centers can develop the method in China.
The surgical device can perform myocardial excision operation through cardiac apex without beating the heart, but in the use process, the cutting operation is performed after the slotted part at the head end of the cutting instrument reaches the tissue part needing to be cut, a large amount of broken tissue is generated during cutting, the broken tissue is actually cut and is necrotic cell tissue, and the broken tissue remains in the body of a patient and causes great risk.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical problem that above-mentioned prior art exists, the utility model provides an inhale negative pressure structure of adsorbing tissue in heart cavity, simple structure, easy to operate can utilize and inhale negative pressure system and provide suction at the operation in-process, strengthens the tissue fixed, and convenient cutting can adsorb the piece tissue that the cutting produced in the lumen simultaneously, reduces the piece tissue and remains the risk in the patient.
The utility model provides a negative pressure suction structure for adsorbing tissues in a heart chamber, which comprises a hollow tubular cutter, wherein the head end of the cutter is provided with an adsorption groove which is communicated with a middle cavity of the cutter; the tail end of the cutter is connected with a negative pressure source.
The utility model has the advantages that: through setting up hollow cutterbar, cooperation negative pressure source founds negative pressure passageway, when carrying out the cardiotomy, can utilize the negative pressure will lock and need to cut the tissue, accomplishes the cutting operation more accurately, can also utilize the negative pressure simultaneously, and the negative pressure passageway through the structure will cut the piece tissue that gets off adsorb to the negative pressure passageway in, greatly reduced the risk that the piece tissue remained in the patient.
Further, the tail end of the cutter is connected with a negative pressure pipe, a middle cavity of the cutter is communicated with the negative pressure pipe, and the negative pressure pipe is connected with a negative pressure source.
Further, the cutter is connected and communicated with the negative pressure pipe through a connecting pipe.
Furthermore, a bendable corrugated structure is arranged on the connecting pipe.
Further, a second negative pressure tube cavity is further arranged in the cutter and is also connected with a negative pressure source, and a negative pressure hole is formed in the part, located under the adsorption groove, of the second negative pressure tube cavity and is communicated with the middle cavity of the cutter.
Further, the second negative pressure lumen is arranged at the bottom of the cutter middle cavity.
Furthermore, the tail end of the second negative pressure pipe cavity is connected and communicated with a negative pressure branch pipe, and the negative pressure branch pipe is connected with a negative pressure source.
Furthermore, the head end of the negative pressure pipe is provided with a three-way joint, and the connecting pipe and the negative pressure branch pipe are respectively connected with the other two joints of the three-way joint.
Furthermore, the aperture of the negative pressure hole is 0.5-1.2 mm.
The beneficial effect of adopting the further scheme is that: a more reasonable negative pressure air path can be constructed, positive inward negative pressure is formed at the negative pressure groove, so that the tissue is sucked into the groove, inward negative pressure is formed in the cutter, and the sucked tissue is sucked away; meanwhile, a more reasonable pipeline connection mode is adopted, so that the structure is simpler and more reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an embodiment provided by the present invention;
FIG. 2 is a schematic structural view of another embodiment of the cutter of the present invention;
FIG. 3 is a schematic structural view of the adsorption tank of the present invention;
in the figure:
1. a cutter; 2. a second negative pressure lumen; 3. an adsorption tank; 4. a negative pressure branch pipe; 5. a connecting pipe; 6. a three-way joint; 7. a negative pressure tube; 8. a source of negative pressure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed when in use, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the negative pressure suction structure for sucking tissue in a heart chamber comprises a hollow tubular cutter 1, wherein an adsorption groove 3 is formed at the head end of the cutter 1, and the adsorption groove 3 is communicated with a middle cavity of the cutter 1. The tail end of the cutter 1 is connected with a negative pressure source 8.
In order to facilitate the operation of a doctor, the tail end of the cutter 1 is connected with a negative pressure pipe 7, the middle cavity of the cutter 1 is communicated with the negative pressure pipe 7, and the negative pressure pipe 7 is connected with a negative pressure source 8.
Thus, the doctor can conveniently hold the cutter 1 to perform cutting operation without influencing the pressure supply of the negative pressure source 8.
During the use, stretch into the myocardial affected part that needs the cutting with cutterbar 1 puncture, under the instruction of development equipment or other operation observation equipment, rotatory cutterbar 1 aligns the tissue that needs the cutting with absorption groove 3, then opens negative pressure source 8, carries out the cutting operation. The tissue that needs the cutting can be adsorbed to absorption groove 3 this moment, effectively improves cutting accuracy, greatly reduces iatrogenic damage, and the piece tissue that is cut off can be inhaled into absorption groove 3 in, is siphoned away through the cavity of cutterbar 1, can not remain in the patient.
The configuration and shape of the cavity in the cutter 1 may be of various forms, either circular or of other shapes, as long as it allows passage of fragmented tissue. The suction slot 3 is used for sucking the cut tissue and sucking the fragmented tissue into the cavity of the cutter 1, and the structure and shape of the suction slot can be various forms.
On the basis of the technical scheme, cutterbar 1 can be connected and communicate with negative pressure pipe 7 through connecting pipe 5.
Preferably, the connecting pipe 5 is provided with a bendable corrugated structure.
By adopting the structure, the operation of a doctor can be conveniently carried out.
As shown in fig. 2 and 3, on the basis of the above technical solutions, the inside 1 of the cutter of the present invention is further provided with a second negative pressure lumen 2, and the second negative pressure lumen 2 is also connected to a negative pressure source 8. And a negative pressure hole 9 is formed in the part of the second negative pressure tube cavity 2, which is positioned right below the adsorption groove 3, and the second negative pressure tube cavity 2 is communicated with the middle cavity of the cutter 1.
Preferably, the second negative pressure lumen 2 is arranged at the bottom of the cavity in the middle of the cutter 1.
Preferably, the tail end of the second negative pressure lumen 2 is connected and communicated with a negative pressure branch pipe 4, and the negative pressure branch pipe 4 is connected with a negative pressure source 8.
By adopting the structural design, a more reasonable negative pressure air path can be constructed, positive inward negative pressure is formed at the negative pressure groove 3, so that the tissue is sucked into the groove, and inward negative pressure is formed in the cutter 1 to suck the sucked tissue away.
On the basis of the technical scheme, the aperture of the negative pressure hole 9 is 0.5-1.2 mm. The optimal aperture is selected to be about 1 mm. Can form the negative pressure gas circuit like this betterly, avoid simultaneously organizing the piece by being adsorbed on negative pressure hole 9, block up negative pressure hole 9.
On the basis of the technical scheme, the head end of the negative pressure pipe 7 is provided with a three-way joint 6, and the connecting pipe 5 and the negative pressure branch pipe 4 are respectively connected with the other two joints of the three-way joint 6.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The negative pressure suction structure for adsorbing tissues in a heart chamber is characterized by comprising a hollow tubular cutter (1), wherein an adsorption groove (3) is formed in the head end of the cutter (1), and the adsorption groove (3) is communicated with a middle cavity of the cutter (1); the tail end of the cutter (1) is connected with a negative pressure source (8).
2. The negative pressure suction structure for adsorbing tissues in a heart chamber as claimed in claim 1, wherein a negative pressure tube (7) is connected to the tail end of the cutter (1), the middle cavity of the cutter (1) is communicated with the negative pressure tube (7), and the negative pressure tube (7) is connected with a negative pressure source (8).
3. The structure of claim 2, wherein the cutter (1) is connected and communicated with the negative pressure tube (7) through the connecting tube (5).
4. The negative pressure suction structure for adsorbing tissues in a heart chamber as claimed in claim 3, wherein the connecting tube (5) is provided with a bendable corrugated structure.
5. The negative pressure suction structure for adsorbing tissues in a heart chamber as claimed in claim 3, wherein a second negative pressure lumen (2) is further arranged in the cutter (1), the second negative pressure lumen (2) is also connected with a negative pressure source (8), and a negative pressure hole (9) is formed in the second negative pressure lumen (2) at a position right below the adsorption groove (3) to communicate the second negative pressure lumen (2) with the middle cavity of the cutter (1).
6. A structure for suction of negative pressure tissue in the heart chamber according to claim 5, characterized in that the second negative pressure lumen (2) is arranged at the bottom of the cavity in the middle of the cutter (1).
7. The negative pressure suction structure for adsorbing tissues in a heart chamber as claimed in claim 5, wherein the tail end of the second negative pressure lumen (2) is connected and communicated with a negative pressure branch pipe (4), and the negative pressure branch pipe (4) is connected with a negative pressure source (8).
8. The structure for absorbing negative pressure on tissue in a heart chamber as claimed in claim 7, wherein the head end of the negative pressure tube (7) is provided with a three-way joint (6), and the connecting tube (5) and the negative pressure branch tube (4) are respectively connected with the other two joints of the three-way joint (6).
9. The negative pressure suction structure for adsorbing tissues in a heart chamber as claimed in claim 5, wherein the diameter of the negative pressure hole (9) is 0.5-1.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778577.XU CN211327186U (en) | 2019-10-22 | 2019-10-22 | Negative pressure suction structure for adsorbing tissues in heart chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778577.XU CN211327186U (en) | 2019-10-22 | 2019-10-22 | Negative pressure suction structure for adsorbing tissues in heart chamber |
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| Publication Number | Publication Date |
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| CN211327186U true CN211327186U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921778577.XU Active CN211327186U (en) | 2019-10-22 | 2019-10-22 | Negative pressure suction structure for adsorbing tissues in heart chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4309597A1 (en) * | 2022-07-19 | 2024-01-24 | Wuhan Wei NewTech Medical Co., Ltd. | Bendable cutting apparatus for myocardium and system with the same |
-
2019
- 2019-10-22 CN CN201921778577.XU patent/CN211327186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4309597A1 (en) * | 2022-07-19 | 2024-01-24 | Wuhan Wei NewTech Medical Co., Ltd. | Bendable cutting apparatus for myocardium and system with the same |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201103 Address after: 430030 No. 1095 Jiefang Avenue, Wuhan, Hubei, Hankou Patentee after: Huazhong University of Science Tongji Hospital, Tongji Medical College Address before: 430000 No.1, floor 3, building 13, block B, No.818, Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: Wuhan weixintan Medical Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210413 Address after: 430074 No.1, 3rd floor, building 13, zone B, 818 Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan weixintan Medical Technology Co.,Ltd. Address before: 430030 No. 1095 Jiefang Avenue, Wuhan, Hubei, Hankou Patentee before: Huazhong University of Science Tongji Hospital, Tongji Medical College |