CN211381613U - Gallstone minimally invasive surgery stone taking device - Google Patents
Gallstone minimally invasive surgery stone taking device Download PDFInfo
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- CN211381613U CN211381613U CN201922288076.XU CN201922288076U CN211381613U CN 211381613 U CN211381613 U CN 211381613U CN 201922288076 U CN201922288076 U CN 201922288076U CN 211381613 U CN211381613 U CN 211381613U
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- inclined plane
- handle
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Abstract
The utility model provides a gallstone minimal access surgery stone taking device, relates to medical instrument technical field, including handle, connecting cover, stone taking storehouse, be equipped with along the axial air supply pipe of handle in the handle, the cover wall of connecting cover forms gas storehouse A for hollow structure, and the top of gas storehouse A and the bottom intercommunication of air supply pipe, the stone taking storehouse is the inside cavity of ring shape, the annular rampart of circle, the annular, the top of gas storehouse B and the bottom intercommunication of gas storehouse A, still be equipped with the calculus entry A of intercommunication gas storehouse B bottom the annular internal surface, the bottom of handle and the top surface fixed connection of connecting cover, the top of handle is equipped with sealed lid, the air supply pipe pierces through sealed lid and forms air supply pipe connector in the outside of sealed lid, air supply pipe connector passes through the hose connection with the negative pressure generator of operating room. This is novel can effectively improve and get stone efficiency, avoids getting the injury of stone in-process to patient's flesh tissue.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to gallstone minimal access surgery gets stone device.
Background
Hepatobiliary calculus is the main treatment disease of hepatobiliary surgery, and in the classification of diseases, hepatobiliary calculus mainly comprises cholecystolithiasis, choledocholithiasis and intrahepatic bile duct lithiasis, and in the treatment method of diseases, an operation calculus removal method, a partial liver resection method and an operation drainage method are mainly adopted.
The operation calculus removing method is a main method in the treatment method of the hepatobiliary calculus, the traditional calculus removing method is to cut the corresponding part to remove the calculus, and the operation incision is large, the pain is strong, and the recovery of a patient is slow. To solve the above problems, calculus removal by minimally invasive surgery is becoming a new development direction, and the method requires a minimally invasive device specially used for hepatobiliary calculus surgery.
Some minimally invasive devices are disclosed in the existing patent documents, such as a utility model patent with the application number of cn201820252190.x, and a stone taking clamp which can be controlled in vitro is designed, and a utility model patent with the application number of cn201820465479.x is also disclosed, so that stones are directly sucked out through a stone taking pipe through a negative pressure device. Although the patent documents can provide assistance for minimally invasive stone extraction, the following defects still exist:
1. the device of the clip type is adopted for stone removal, so that the flesh of a patient can be injured carelessly due to operation, the trouble is larger if the blood vessel is injured, and the device needs to put a stone outside the body after one stone is removed and then stretches into the body of the patient for stone removal, so that repeated operation has great stimulation to the wound of the patient and high labor intensity of medical staff;
2. when the stone is sucked, if the suction force of the negative pressure device is small, the stone is difficult to suck, and if the suction force of the negative pressure device is large, the flesh tissues of a patient are inevitably sucked into the suction tube after the stone is sucked, so that the patient suffers extra pain by virtue of the empty space;
3. the device is lack of a restraint mechanism for stones, and when stones are clamped or sucked, the rest stones are easy to displace, so that quick collection of stones is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model discloses a gallstone minimally invasive surgery stone taking device which has the protection function on the somatic tissues of a patient, is high in stone suction efficiency and does not need to repeatedly enter and exit the wound surface of the patient.
In order to realize the purpose, the novel technical scheme is as follows:
a gallstone minimally invasive surgery stone taking device comprises a handle, a connecting cover and a stone taking bin, wherein the handle is of a cylindrical structure, an air source pipe along the axial direction of the handle is arranged in the handle, the wall of the connecting cover is of a hollow structure, the hollow structure forms an air bin A, the top end of the air bin A is communicated with the bottom end of the air source pipe, the stone taking bin is of a circular ring shape, the top end of the stone taking bin is fixedly connected with the bottom end of the connecting cover, the circular ring-shaped ring wall is hollow and forms an air bin B, the top end of the air bin B is communicated with the bottom end of the air bin A, a stone inlet A communicated with the air bin B is further arranged at the bottom of the circular inner surface, the bottom end of the handle is fixedly connected with the outer surface of the top of the connecting cover, a sealing cover is arranged at the top end of the handle, the air source pipe penetrates through the sealing cover and forms an air source pipe, the air source pipe interface is connected with a negative pressure generator of an operating room through a hose.
Preferably, the connecting cover is of a conical or hemispherical structure, the top end of the inner wall surface of the connecting cover is further provided with a miniature camera, the inner wall surface of the connecting cover at the periphery of the miniature camera is further provided with a miniature spotlight, the miniature camera is connected with a display screen or a computer of an operating room through a network cable and a wire, and the miniature spotlight is electrically connected with a power supply of the operating room through the wire.
Preferably, the gas bin B divides the bin wall of the stone taking bin into an inner wall and an outer wall, the stone inlet A is an annular opening around the axis of the stone taking bin, the inner wall is divided into an upper part and a lower part by the annular opening, and the inner surface of the inner wall at the upper part is fixedly connected with the inner surface of the outer wall through a reinforcing rod.
Preferably, the outer surface of the inner wall is a truncated cone-shaped inclined surface gradually narrowing downwards around the axis of the stone taking bin, and the diameter of the upper edge of the stone inlet A is larger than that of the lower edge of the stone inlet A.
Preferably, the outer surface of the inner wall of the lower part is also integrally connected with a circular ring-shaped inclined plane, the inclination of the circular ring-shaped inclined plane is greater than that of the outer surface of the inner wall, and the lower edge of the circular ring-shaped inclined plane is enclosed into a restraining ring.
Preferably, the bottom end of the gas bin B extends towards the direction of the bottom end of the circular ring-shaped inclined plane to form a constraint bin, and the top of the space on one side of the constraint bin towards the axis direction of the stone-taking bin is covered by the circular ring-shaped inclined plane.
Preferably, the end surface of the inner wall where the upper edge of the circular ring-shaped inclined plane is located extends obliquely downwards in the direction far away from the axis of the stone taking bin, and an annular limiting inclined plane A is formed above the constraint bin.
Preferably, the inner surface of outer wall, and be located the oblique top of annular spacing inclined plane A and still be equipped with around the annular spacing inclined plane B of getting the stone storehouse axis, annular spacing inclined plane B to the oblique below slope of getting the stone storehouse axis direction, the lower edge of annular spacing inclined plane A and the lower edge of annular spacing inclined plane B between constitute calculus entry B, the diameter of annular spacing inclined plane A lower edge be greater than the diameter of annular spacing inclined plane B lower edge.
Preferably, the outer wall of the restraint bin is also provided with a bin door.
Preferably, the sealing cover is further provided with a data line interface and a power line interface.
The beneficial effects of this novel gallstone minimal access surgery stone device are:
1. the novel structure is simple, and the operation is convenient;
2. when the stone is sucked, the stone is sucked from the inner wall surface of the stone taking bin, and is not directly sucked opposite to the stone through the air suction port as in the prior art, so that the phenomenon that the flesh tissues of a patient are sucked into the stone inlet A can be avoided, and unnecessary injury to the patient is avoided;
3. the stone is restrained in a fixed range by the restraint ring, so that other stones can be prevented from displacing in the stone taking process, the stone taking work is difficult, and after the restraint ring is restrained, the stones in the restraint ring can be completely taken at one time by the negative pressure generator, so that the stone taking efficiency is greatly improved;
4. this neotype stone storehouse of getting is ring column structure, has avoided getting the injury of stone clamp class analogous structure to patient's flesh.
Drawings
FIG. 1: the front view of the novel device;
FIG. 2: the novel sectional structure is shown schematically;
FIG. 3: the sectional structure of the novel stone extraction bin is shown schematically;
FIG. 4: the cross section of the novel stone taking bin is schematic;
1: a handle, 2: connection cover, 201: gas bin a, 3: stone taking bin, 301: gas bin B, 302: outer wall, 303: inner wall, 304: circular bevel, 305: reinforcing rod, 306: annular limit inclined plane B, 307: annular limiting inclined plane A, 308: constraint bin, 309: stone entrance B, 310: stone entrance a, 311: confinement ring, 4: gas source pipe interface, 5: data line interface, 6: snap ring, 7: antiskid cover, 8: button, 9: bin gate, 10: power line interface, 11: electric wire, 12: data line, 13: gas source pipe, 14: miniature camera, 15: a miniature spot lamp.
Detailed Description
The following description is of the preferred embodiment of the present invention only, and is not intended to limit the scope of the present invention, which is to be accorded the widest scope consistent with the principles and spirit of the present invention.
As shown in fig. 1 and 2, a gallstone minimally invasive surgery stone removing device comprises a handle 1, a connecting cover 2 and a stone removing bin 3, wherein the handle 1 is of a cylindrical structure, an air source pipe 13 along the axial direction of the handle 1 is arranged in the handle 1, the cover wall of the connecting cover is of a hollow structure, the hollow structure forms an air bin a201, the top end of the air bin a201 is communicated with the bottom end of the air source pipe 13, the stone removing bin 3 is of a circular ring shape, the top end of the stone removing bin is fixedly connected with the bottom end of the connecting cover 2, the circular ring-shaped ring wall is hollow and forms an air bin B301, the top end of the air bin B301 is communicated with the bottom end of the air bin a201, a stone inlet a310 communicated with the air bin B is further arranged at the bottom of the circular inner surface, the bottom end of the handle 1 is fixedly connected with the outer surface of the top of the connecting cover 2, a sealing cover is arranged at the top end of the handle 1, the air source pipe, An air source pipe interface 4 is formed outside the sealing cover, and the air source pipe interface 4 is connected with a negative pressure generator of an operating room through a hose;
as shown in fig. 2, the connecting cover 2 is of a conical or hemispherical structure, a micro camera 14 is further arranged at the top end of the inner wall surface of the connecting cover 2, a micro spotlight 15 is further arranged on the inner wall surface of the connecting cover at the periphery of the micro camera 14, the micro camera 14 is connected with a display screen or a computer of an operating room through a network cable and a wire, and the micro spotlight 15 is electrically connected with a power supply of the operating room through a wire;
as shown in fig. 3, the gas bin B301 divides the wall of the stone extraction bin 3 into an inner wall 303 and an outer wall 302, the stone inlet a310 is an annular opening around the axis of the stone extraction bin 3, the annular opening divides the inner wall 303 into an upper part and a lower part, and the inner surface of the inner wall 303 and the inner surface of the outer wall 302 at the upper part are fixedly connected through a reinforcing rod 305;
as shown in fig. 3, the outer surface of the inner wall 303 is a truncated cone-shaped slope gradually narrowing downwards around the axis of the stone taking bin 3, and the diameter of the upper edge of the stone inlet a310 is larger than that of the lower edge thereof;
as shown in fig. 3 and 4, an annular inclined surface 304 is further integrally connected to the outer surface of the inner wall 303 of the lower portion, the inclination of the annular inclined surface 304 is greater than that of the outer surface of the inner wall 303, and a restraining ring 311 is enclosed by the lower edge of the annular inclined surface 304;
as shown in fig. 3, the bottom end of the gas bin B301 extends towards the bottom end of the circular ring-shaped inclined plane 304, and forms a restraint bin 308, and the top of the space on one side of the restraint bin 308 facing the axial direction of the stone taking bin 3 is covered by the circular ring-shaped inclined plane 304;
as shown in fig. 3, the end surface of the inner wall where the upper edge of the circular inclined plane 304 is located extends obliquely downward in the direction away from the axis of the stone-taking bin 3, and forms a circular limit inclined plane a307 above the constraint bin 308;
as shown in fig. 3, an annular limiting inclined plane B306 surrounding the axis of the stone extraction bin is further arranged on the inner surface of the outer wall 302 and obliquely above the annular limiting inclined plane a307, the annular limiting inclined plane B306 is inclined towards the oblique lower side of the axis direction of the stone extraction bin, a stone inlet B309 is formed between the lower edge of the annular limiting inclined plane a307 and the lower edge of the annular limiting inclined plane B306, and the diameter of the lower edge of the annular limiting inclined plane a307 is greater than that of the lower edge of the annular limiting inclined plane B306;
as shown in fig. 1 and fig. 2, a bin door 9 is further disposed on the outer wall 302 where the restraint bin 308 is located;
as shown in fig. 1 and 2, the sealing cover is further provided with a data line interface 5 and a power line interface 10.
This neotype theory of use: when in use, the micro camera 14 is firstly connected with a display screen or a computer of an operating room through the data line interface 5 and the power line interface 10, the micro spotlight 15 is connected with a power supply of the operating room through the data line interface 5, the air source pipe interface 4 is connected with a negative pressure generator of the operating room through a hose, the stone taking bin 3 is stretched into a stone taking part along a wound of a patient, through observing computer display screen or solitary display screen, enclose with restraint circle 311 will wait to get the calculus and live, make the calculus retrained at work area, start negative pressure generator, make gas chamber A201, gas chamber B301 produce the negative pressure, the calculus is attracted by the negative pressure in restraint circle 311, be inhaled calculus entry A310 along ring shape inclined plane 304, again along annular spacing inclined plane A307 through calculus entry B309 slip-in restraint storehouse 308, through observing, the calculus in restraint circle 311 is sucked clean back, can be with this novel taking out or move other regional retrieval stones again.
Because restraint storehouse 308 top is covered with ring shape inclined plane 304, spacing inclined plane A307 of annular, spacing inclined plane B306 of annular, even negative pressure generator continuously breathes in, can not make the calculus in the restraint storehouse 308 by the suction, after getting the stone, open door 9, the slope is originally novel, pour out the calculus from restraint storehouse 308 can.
As mentioned above, since the present invention sucks the stone from the inner wall surface of the stone-taking chamber 3 during stone-sucking, rather than directly sucking the stone through the air-sucking port as in the prior art, it is possible to avoid sucking the patient's flesh into the stone inlet a310, and avoid unnecessary damage to the patient; in addition, the stone is restrained in a fixed range by the restraint ring 311, so that other stones can be prevented from displacing in the stone taking process, difficulty is brought to the stone taking work, and after the restraint ring is restrained, the stones in the restraint ring can be completely taken at one time by the negative pressure generator, so that the stone taking efficiency is greatly improved; moreover, the novel stone taking bin 3 is of a circular ring-shaped structure, and the damage of similar structures such as a stone taking clamp to the body of a patient is avoided.
Further, in order to obtain a better stone removing effect, the novel button 8 of the negative pressure generator can be arranged on the handle 1, as shown in fig. 1, a stone removing picture on a display screen or a computer can be observed while the button 8 is operated, so that the stone removing is more accurate and labor-saving.
Claims (10)
1. A gallstone minimally invasive surgery stone taking device is characterized in that: comprises a handle, a connecting cover and a stone taking bin, wherein the handle is of a cylindrical structure, an air source pipe along the axial direction of the handle is arranged in the handle, the cover wall of the connecting cover is a hollow structure, the hollow structure forms an air bin A, the top end of the air bin A is communicated with the bottom end of the air source pipe, the stone taking bin is annular, the top end of the stone taking bin is fixedly connected with the bottom end of the connecting cover, the annular wall of the annular shape is hollow and forms an air bin B, the top end of the air bin B is communicated with the bottom end of the air bin A, the bottom of the circular inner surface is also provided with a calculus inlet A communicated with the gas cabin B, the bottom end of the handle is fixedly connected with the outer surface of the top of the connecting cover, the top end of the handle is provided with a sealing cover, the air source pipe penetrates through the sealing cover and forms an air source pipe interface outside the sealing cover, and the air source pipe interface is connected with a negative pressure generator of an operating room through a hose.
2. The cholelithiasis minimally invasive surgery stone removing device as claimed in claim 1, wherein: the connecting cover be toper or hemisphere face structure, still be equipped with miniature camera head on the top of the inner wall surface of connecting cover, still be equipped with miniature shot-light on the connecting cover inner wall surface of the periphery of miniature camera head, miniature camera head pass through the net twine and the electric wire is connected with the display screen or the computer of operating room, miniature shot-light pass through the power electricity federation of electric wire and operating room.
3. A gallstone minimally invasive surgical lithotomy device according to any one of claims 1 or 2, wherein: the gas bin B divides the bin wall of the stone taking bin into an inner wall and an outer wall, the stone inlet A is an annular opening around the axis of the stone taking bin, the inner wall is divided into an upper part and a lower part by the annular opening, and the inner surface of the inner wall at the upper part is fixedly connected with the inner surface of the outer wall through a reinforcing rod.
4. The cholelithiasis minimally invasive surgery stone removing device as claimed in claim 3, wherein: the outer surface of the inner wall is a truncated cone-shaped inclined plane gradually narrowing downwards around the axis of the stone taking bin, and the diameter of the upper edge of the stone inlet A is larger than that of the lower edge of the stone inlet A.
5. The cholelithiasis minimally invasive surgery stone removing device as claimed in claim 4, wherein: the outer surface of the inner wall of the lower part is also integrally connected with a circular ring-shaped inclined plane, the inclination of the circular ring-shaped inclined plane is greater than that of the outer surface of the inner wall, and the lower edge of the circular ring-shaped inclined plane is enclosed into a restraining ring.
6. The cholelithiasis minimally invasive surgery stone removing device as claimed in claim 5, wherein: the bottom end of the gas bin B extends towards the bottom end of the circular ring-shaped inclined plane to form a constraint bin, and the top of the space on one side of the constraint bin towards the axis direction of the stone taking bin is covered by the circular ring-shaped inclined plane.
7. The cholelithiasis minimally invasive surgery stone removing device as claimed in claim 6, wherein: the end surface of the inner wall where the upper edge of the circular ring-shaped inclined plane is positioned extends towards the oblique lower part in the direction far away from the axis of the stone taking bin, and a circular limiting inclined plane A is formed above the constraint bin.
8. The cholelithiasis minimally invasive surgery stone removing device as claimed in claim 7, wherein: the internal surface of outer wall, and be located the oblique top of annular spacing inclined plane A and still be equipped with around getting the annular spacing inclined plane B of stone storehouse axis, annular spacing inclined plane B to the oblique below slope of getting stone storehouse axis direction, the lower edge of annular spacing inclined plane A and the lower edge of annular spacing inclined plane B between constitute calculus entry B, the diameter of annular spacing inclined plane A lower edge be greater than the diameter of annular spacing inclined plane B lower edge.
9. The minimally invasive cholelithiasis surgical lithotomy device according to any one of claims 6 to 8, characterized in that: and a bin door is also arranged on the outer wall where the constraint bin is positioned.
10. The minimally invasive cholelithiasis calculus removing device as claimed in any one of claims 2 and 4-8, wherein: the sealing cover is also provided with a data line interface and a power line interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288076.XU CN211381613U (en) | 2019-12-19 | 2019-12-19 | Gallstone minimally invasive surgery stone taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288076.XU CN211381613U (en) | 2019-12-19 | 2019-12-19 | Gallstone minimally invasive surgery stone taking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211381613U true CN211381613U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922288076.XU Expired - Fee Related CN211381613U (en) | 2019-12-19 | 2019-12-19 | Gallstone minimally invasive surgery stone taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211381613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244984A (en) * | 2020-11-05 | 2021-01-22 | 孙金堂 | Visual bone grafting device |
-
2019
- 2019-12-19 CN CN201922288076.XU patent/CN211381613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244984A (en) * | 2020-11-05 | 2021-01-22 | 孙金堂 | Visual bone grafting device |
| CN112244984B (en) * | 2020-11-05 | 2022-04-08 | 孙金堂 | Visual bone grafting device |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20211219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |