Laparoscope puncture device

By designing a laparoscopic puncture device with a puncture link, pneumatic needle, searchlight and carbon dioxide airbag, the problems of all-round survey and abdominal cavity bulging in the existing technology are solved, and convenient operation and efficient laparoscopic puncture effect are achieved. .

CN119279710AInactive Publication Date: 2025-01-10WUHAN HOSPITAL OF TRADITIONAL CHINESE MEDICINE
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Patent Information

Application Number
CN202411421237.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-01-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When the existing laparoscopic puncture device conducts a comprehensive survey, it increases the complexity and cost of operation. At the same time, the patient's abdomen accumulates fat and effusion in the abdominal cavity during the puncture surgery, making it difficult to bulge the abdomen to separate fat and effusion, which affects the complexity of the surgery. sex.

Method used

A laparoscopic puncture device including a puncture link, a pneumatic needle, a searchlight, a camera and a carbon dioxide airbag was designed. The camera bracket is driven by the motor to rotate, the cylinder drives the lamp shell displacement and the carbon dioxide airbag expansion to achieve all-round survey and abdominal cavity bulging. , reduce operational complexity and cost.

Benefits of technology

It realizes convenient all-round survey and abdominal cavity bulging, saving the time and cost of multiple cameras, while reducing the complexity of the surgery and wound area.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of laparoscope puncture, and discloses a laparoscope puncture device which comprises a puncture connecting rod, the puncture connecting rod comprises an end rod, a middle rod and a tail rod, the end rod is in threaded connection with the middle rod, the middle rod is fixedly connected with the tail rod, and a visible glass layer is fixedly connected to the outer portion of the middle rod. One end of the tail rod is fixedly connected with a pneumoperitoneum needle, the interior of the middle rod is fixedly connected with a transverse plate, the top of the transverse plate is fixedly provided with a motor, the interior of the middle rod is fixedly provided with a bearing, the interior of the bearing is rotatably connected with an inner cylinder, and the inner cylinder is fixedly connected to the output end of the motor; a camera support is fixedly installed outside the inner cylinder, and a rotating shaft is rotationally connected into the camera support. The invention has the following advantages and effects: not only can the effect of omnibearing investigation be achieved, but also the adjustment process can be completed in a convenient form, and the time and the production cost that a plurality of cameras need a plurality of displays for investigation are saved.
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Description

Technical Field

[0001] The invention relates to the technical field of laparoscopic puncture, and in particular to a laparoscopic puncture device. Background Art

[0002] Laparoscopes are used for intra-abdominal medical imaging and are a type of invasive medical device. During surgery, if it is necessary to collect lesion samples from the patient's body, medical staff need to use a puncture needle for puncture. When the puncture needle is used in conjunction with the laparoscope, a puncture stand needs to be installed on the laparoscope to provide a dedicated channel for the puncture needle and guide tube to be used together.

[0003] In the prior art, Chinese Patent Publication No. CN112472236B discloses an automatic exhaust type laparoscopic puncture instrument, which belongs to the technical field of medical devices, and comprises an automatic exhaust type laparoscopic puncture instrument body, and an absorbing device is installed on the outside of the automatic exhaust type laparoscopic puncture instrument body; the absorbing device comprises a first compression spring, medical cotton, a connecting ring, an outer ring body, an inner ring body, a receiving groove, a second compression spring, a clamping hole and a clamping block, and an inner ring body is installed on the outside of the automatic exhaust type laparoscopic puncture instrument body, and an outer ring body is arranged on the outside of the inner ring body, and the upper and lower sides of the inner ring body are provided with receiving grooves, and the inner side of the receiving groove is installed with a second compression spring; by arranging the absorbing device, the present invention enables the laparoscopic puncture instrument to absorb blood flowing out of the patient's wound through the medical cotton when working, thereby reducing the possibility of infection of the patient's wound, thereby improving the working ability of the laparoscopic puncture instrument.

[0004] However, when performing puncture surgery on the patient's abdomen, the existing laparoscopic puncture device extends a pneumoperitoneum needle into the patient's abdomen, and the lighting equipment and the camera equipment extend into the interior of the puncture terminal. The patient's abdomen is illuminated by the lighting equipment, and the patient's abdomen is surveyed by the camera equipment. However, in order to increase the all-roundness of the survey process, multiple cameras need to be installed inside the puncture terminal, which not only increases the cost but also increases the complexity of the operation process. At the same time, during the puncture operation, the patient's abdomen is in a deflated state, and the fat and fluid in the abdomen will accumulate, which will cause complexity in the operation process. Therefore, how to inflate the patient's abdomen to separate the fat and fluid from the liver is also an urgent problem to be solved. Summary of the invention

[0005] The purpose of the present invention is to provide a laparoscopic puncture device, which has the effect of good convenience during the puncture process.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: a laparoscopic puncture device, comprising a puncture connecting rod, the puncture connecting rod comprising an end rod, a middle rod and a tail rod, the end rod is threadedly connected to the middle rod, the middle rod and the tail rod are fixedly connected, the outside of the middle rod is fixedly connected with a visible glass layer, one end of the tail rod is fixedly connected with a pneumoperitoneum needle, the inside of the middle rod is fixedly connected with a cross plate, the top of the cross plate is fixedly installed with a motor, the inside of the middle rod is fixedly installed with a bearing, the inside of the bearing is rotatably connected with an inner cylinder, the inner cylinder is fixedly connected to the output end of the motor, the outside of the inner cylinder is fixedly installed with a camera bracket, the inside of the camera bracket is rotatably connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a lamp housing, the outside of the lamp housing is fixedly connected with a searchlight, the center of the inside of the lamp housing is fixedly connected with a camera, the inner wall of the camera bracket is fixedly installed with a cylinder, the output end of the cylinder is fixedly connected with a push rod, the outside of the lamp housing is fixedly installed with a hinge, and the push rod is hinged with the lamp housing through the hinge.

[0007] By adopting the above technical scheme, when performing laparoscopic puncture surgery on a patient, the staff will thread the middle rod to the tail of the end rod, and the middle rod and the tail rod are fixedly connected, so that the puncture connecting rod is linear as a whole, and then the pneumoperitoneum needle is inserted into the patient's abdominal cavity, and the middle rod and the tail rod will extend into the patient's abdominal cavity. When the patient's abdomen is surveyed, the searchlight and the camera are started, so that the searchlight and the camera are illuminated and surveyed through the visible glass layer. When the hook needs to change the survey position, the inner cylinder and the camera bracket are driven by the motor to rotate, and the searchlight and the camera are both arranged inside the camera bracket, so that the survey position of the searchlight and the camera can be changed. When the survey angle needs to be changed, the cylinder drives the lamp housing to move through the push rod, and the hinges are respectively hinged to the push rod and the lamp housing, so that the push rod and the lamp housing can rotate relative to each other, so as to achieve the effect of changing the survey angle. In this process, not only can the effect of all-round survey be achieved, but also the adjustment process is completed in a convenient form, saving the time problem and production cost of multiple cameras requiring multiple monitors for survey.

[0008] The present invention is further configured as follows: the interior of the Veress needle is solid, and the end of the Veress needle is pointed.

[0009] By adopting the above technical solution, the interior of the Veress needle is solid, thereby preventing the accumulated fluid from entering the interior of the Veress needle. The tip of the Veress needle is pointed, thereby being able to puncture the patient's abdominal cavity.

[0010] The present invention is further configured as follows: an outer tube is fixedly connected to the outside of the end rod, a carbon dioxide inlet pipe is inserted into the inner part of the outer tube, and an outlet channel is opened in the middle of the middle rod.

[0011] By adopting the above technical solution, when the Veress needle enters the patient's abdominal cavity, the air outlet channel in the middle part of the middle rod will extend into the patient's abdominal cavity.

[0012] The present invention is further configured as follows: a carbon dioxide bottle is provided at one end of the carbon dioxide inlet pipe, an air pump is provided inside the carbon dioxide bottle, one end of the air pump is fixedly connected to an outlet pipe, and the outlet pipe is fixedly connected to the carbon dioxide inlet pipe.

[0013] By adopting the above technical solution, the carbon dioxide inside the carbon dioxide bottle is extracted by an air pump, and the air outlet pipe is connected to the carbon dioxide inlet pipe, so that the carbon dioxide enters the air outlet channel through the air pipe and the carbon dioxide inlet pipe, and then is discharged into the patient's abdominal cavity, thereby achieving the effect of inflating the patient's abdominal cavity, which is convenient for further investigation.

[0014] The present invention is further configured as follows: a protective bracket is fixedly connected to the outside of the carbon dioxide bottle, and a counterweight is fixedly connected to the bottom of the protective bracket.

[0015] By adopting the above technical solution, the carbon dioxide bottle is supported by the anti-slip bracket, and a counterweight block is provided at the bottom of the protective bracket to prevent the carbon dioxide bottle from tilting.

[0016] The present invention is further configured as follows: an air bag is fixedly connected to the middle of the carbon dioxide intake pipe, and the air bag is in a bulging shape.

[0017] By adopting the above technical solution, when the air intake efficiency is low, the airbag is pressed repeatedly so that carbon dioxide can quickly enter the interior of the carbon dioxide intake pipe, while also preventing the carbon dioxide intake pipe from being blocked.

[0018] The present invention is further configured as follows: a rubber slot is fixedly connected inside the middle rod, a rubber block is clamped inside the rubber slot, and the carbon dioxide intake pipe is fixed inside the rubber block.

[0019] By adopting the above technical solution, the rubber clamping block is clamped inside the rubber clamping groove, so that the carbon dioxide intake pipe can be fixed inside the middle rod.

[0020] The present invention is further configured as follows: one end of the thorn connecting rod is fixedly connected to a connecting portion, the interior of the connecting portion is rotatably connected to a connecting pin, and the middle portion of the connecting pin is fixedly connected to a handle.

[0021] By adopting the above technical solution, when operating the puncture rod, the staff holds the handle so that the puncture rod vertically enters the patient's abdominal cavity. When the staff's hand shakes, the handle will rotate around the connecting pin. At this time, the puncture rod is still in a vertical state, reducing the wound area.

[0022] The present invention is further configured as follows: both sides of the handle are fixedly connected with return springs, and the return springs are in two groups, and the two groups of return springs are symmetrical to each other.

[0023] By adopting the above technical solution, when the handle is shaken, the return springs on both sides are contracted, so that the handle is quickly reset.

[0024] The present invention is further configured as follows: an anti-skid protective cover is fixedly connected to the outside of the handle, and anti-skid particles are fixedly connected to the outside of the anti-skid protective cover.

[0025] By adopting the above technical solution, the anti-skid sheath and the anti-skid particles increase the friction force and prevent the hand from slipping.

[0026] The beneficial effects of the present invention are: 1. The present invention, through the coordination arrangement among the puncture connecting rod, the end rod, the middle rod, the tail rod, the visual glass layer, the pneumoperitoneum needle, the cross plate, the motor, the bearing, the inner cylinder, the camera bracket, the rotating shaft, the lamp housing, the searchlight, the camera, the cylinder, the push rod and the hinge, the end rod, the middle rod and the tail rod are in a straight line, the pneumoperitoneum needle is inserted into the abdominal cavity of the patient, the middle rod and the tail rod will extend into the abdominal cavity of the patient, the searchlight and the camera are illuminated and surveyed through the visual glass layer, and when the hook needs to change the survey position, the inner cylinder and the camera bracket are driven by the motor to rotate The searchlight and the camera are both arranged inside the camera bracket, so that the survey position of the searchlight and the camera can be changed. When the survey angle needs to be changed, the cylinder drives the lamp housing to move through the push rod, and the hinges are respectively hinged to the push rod and the lamp housing, so that the push rod and the lamp housing can rotate relative to each other, so as to achieve the effect of changing the survey angle. In this process, not only the effect of all-round survey can be achieved, but also the adjustment process is completed in a convenient form, saving the time problem and production cost of multiple cameras requiring multiple monitors for survey.

[0027] 2. The present invention, through the coordination arrangement among the outer tube, the carbon dioxide inlet pipe, the air outlet channel, the carbon dioxide bottle, the air outlet pipe, the protective bracket, the air bag, the rubber slot and the rubber block, when the pneumoperitoneum needle enters the patient's abdominal cavity, the air outlet channel in the middle of the middle pole will extend into the patient's abdominal cavity, the carbon dioxide inside the carbon dioxide bottle is extracted by the air pump, the air outlet pipe is connected with the carbon dioxide inlet pipe, so that the carbon dioxide enters the inside of the air outlet channel through the air pipe and the carbon dioxide inlet pipe, and then is discharged into the patient's abdominal cavity, so as to achieve the effect of inflating the patient's abdominal cavity, which is convenient for further investigation, and when the air intake efficiency is low, the air bag is repeatedly pressed so that the carbon dioxide can quickly enter the inside of the carbon dioxide inlet pipe, and at the same time, the carbon dioxide inlet pipe can be prevented from being blocked, and the rubber block is clamped in the inside of the rubber slot, so that the carbon dioxide inlet pipe can be fixed inside the middle pole.

[0028] 3. The present invention, through the coordinated arrangement between the connecting part, the connecting pin, the handle and the reset spring, when operating the puncture connecting rod, the staff holds the handle so that the puncture connecting rod vertically enters the patient's abdominal cavity. When the staff's hand shakes, the handle will rotate around the connecting pin. At this time, the puncture connecting rod is still in a vertical state, reducing the wound area. During the shaking process, the handle is contracted by the reset springs on both sides, so that the handle is quickly reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of the explosion structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the rod in the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 4 It is a schematic diagram of the internal side structure of the camera bracket of the present invention; Figure 5 This is a schematic diagram of the structure of the rubber card slot and the rubber card block of the present invention; Figure 6 It is a schematic diagram of the internal structure of the connecting part of the present invention.

[0031] In the figure, 1, piercing connecting rod; 101, end rod; 102, middle rod; 103, tail rod; 2, visual glass layer; 3, pneumoperitoneum needle; 4, cross plate; 5, motor; 6, bearing; 7, inner cylinder; 8, camera bracket; 9, rotating shaft; 10, lamp housing; 11, searchlight; 12, camera; 13, cylinder; 14, push rod; 15, hinge; 16, outer cylinder; 17, carbon dioxide inlet pipe; 18, outlet channel; 19, carbon dioxide bottle; 20, outlet pipe; 21, protective bracket; 22, airbag; 23, rubber slot; 24, rubber block; 25, connecting part; 26, connecting pin; 27, handle; 28, reset spring; 29, anti-slip sheath. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Reference Figure 1-6 , a laparoscopic puncture device, including the following specific embodiments: Embodiment 1: A laparoscopic puncture device comprises a puncture connecting rod 1, wherein the puncture connecting rod 1 comprises an end rod 101, a middle rod 102 and a tail rod 103, wherein the end rod 101 is threadedly connected to the middle rod 102, the middle rod 102 and the tail rod 103 are fixedly connected, the outside of the middle rod 102 is fixedly connected with a visual glass layer 2, one end of the tail rod 103 is fixedly connected with a pneumoperitoneum needle 3, the inside of the middle rod 102 is fixedly connected with a cross plate 4, a motor 5 is fixedly installed on the top of the cross plate 4, a bearing 6 is fixedly installed inside the middle rod 102, an inner cylinder 7 is rotatably connected inside the bearing 6, the inner cylinder 7 is fixedly connected to the output end of the motor 5, and the outer part of the inner cylinder 7 is fixedly connected to the output end of the motor 5. A camera bracket 8 is fixedly installed, the interior of the camera bracket 8 is rotatably connected with a rotating shaft 9, one end of the rotating shaft 9 is fixedly connected with a lamp housing 10, the exterior of the lamp housing 10 is fixedly connected with a searchlight 11, the center of the interior of the lamp housing 10 is fixedly connected with a camera 12, the inner wall of the camera bracket 8 is fixedly installed with a cylinder 13, the output end of the cylinder 13 is fixedly connected with a push rod 14, the exterior of the lamp housing 10 is fixedly installed with a hinge 15, the push rod 14 is hinged with the lamp housing 10 through the hinge 15, when performing laparoscopic puncture surgery on a patient, the staff threadedly connects the middle rod 102 to the tail of the end rod 101, and the middle rod 102 and the tail rod 103 are fixedly connected. The thorn connecting rod 1 is connected so that the whole thorn connecting rod 1 is linear. Then the pneumoperitoneum needle 3 is inserted into the abdominal cavity of the patient, and the middle rod 102 and the tail rod 103 will extend into the abdominal cavity of the patient. When the abdomen of the patient is surveyed, the searchlight 11 and the camera 12 are started so that the searchlight 11 and the camera 12 can illuminate and survey through the visual glass layer 2. When the survey position needs to be changed, the inner cylinder 7 and the camera bracket 8 are driven by the motor 5 to rotate, and the searchlight 11 and the camera 12 are both arranged inside the camera bracket 8, so that the survey position of the searchlight 11 and the camera 12 can be changed. When the survey angle needs to be changed, the cylinder 1 The push rod 14 drives the lamp housing 10 to move, and the hinge 15 is hinged to the push rod 14 and the lamp housing 10 respectively, so that the push rod 14 and the lamp housing 10 can rotate relatively, so as to achieve the effect of changing the survey angle. In this process, not only can the effect of all-round survey be achieved, but also the adjustment process can be completed in a convenient form, saving the time problem and production cost of multiple cameras requiring multiple monitors for survey. The interior of the pneumoperitoneum needle 3 is solid, and the end of the pneumoperitoneum needle 3 is pointed. The interior of the pneumoperitoneum needle 3 is solid, so as to prevent the effusion from entering the interior of the pneumoperitoneum needle 3. The end of the pneumoperitoneum needle 3 is pointed, so as to puncture the patient's abdominal cavity.

[0034] Embodiment 2: The outside of the end rod 101 is fixedly connected to an outer tube 16, and a carbon dioxide inlet pipe 17 is inserted into the inside of the outer tube 16. An air outlet channel 18 is opened in the middle of the middle rod 102. When the pneumoperitoneum needle 3 enters the patient's abdominal cavity, the air outlet channel 18 in the middle of the middle rod 102 will extend into the patient's abdominal cavity. A carbon dioxide bottle 19 is provided at one end of the carbon dioxide inlet pipe 17, and an air pump is provided inside the carbon dioxide bottle 19. An air outlet pipe 20 is fixedly connected to one end of the air pump. The air outlet pipe 20 is fixedly connected to the carbon dioxide inlet pipe 17. The carbon dioxide inside the carbon dioxide bottle 19 is extracted by the air pump, and the air outlet pipe 20 is connected to the carbon dioxide inlet pipe 17, so that the carbon dioxide enters the inside of the air outlet channel 18 through the air pipe 20 and the carbon dioxide inlet pipe 17, and then is discharged into the patient's abdominal cavity, so as to achieve the effect of inflating the patient's abdominal cavity, which is convenient for further The investigation shows that the outside of the carbon dioxide bottle 19 is fixedly connected with a protective bracket 21, and the bottom of the protective bracket 21 is fixedly connected with a counterweight. The carbon dioxide bottle 19 is supported by the anti-slip bracket 21, and a counterweight is arranged at the bottom of the protective bracket 21 to prevent the carbon dioxide bottle 19 from tilting. The middle part of the carbon dioxide inlet pipe 17 is fixedly connected with an airbag 22, and the airbag 22 is bulging. When the air intake efficiency is low, the airbag 22 is repeatedly pressed so that carbon dioxide can quickly enter the interior of the carbon dioxide inlet pipe 17, and at the same time, the carbon dioxide inlet pipe 17 can be prevented from being blocked. The interior of the middle pole 102 is fixedly connected with a rubber slot 23, and the interior of the rubber slot 23 is clamped with a rubber block 24, the carbon dioxide inlet pipe 17 is fixed inside the rubber block 24, and the rubber block 24 is clamped inside the rubber slot 23, so that the carbon dioxide inlet pipe 17 can be fixed inside the middle pole 102.

[0035] Embodiment 3: One end of the piercing connecting rod 1 is fixedly connected with a connecting part 25, and the interior of the connecting part 25 is rotatably connected with a connecting pin 26, and the middle part of the connecting pin 26 is fixedly connected with a handle 27. When operating the piercing connecting rod 1, the staff holds the handle 27 so that the piercing connecting rod 1 vertically enters the patient's abdominal cavity. When the staff's hand shakes, the handle 27 will rotate around the connecting pin 26. At this time, the piercing connecting rod 1 is still in a vertical state, reducing the wound area. Both sides of the handle 27 are fixedly connected with return springs 28. The return springs 28 are two groups, and the two groups of return springs 28 are symmetrical to each other. When the handle 27 is shaking, the return springs 28 on both sides are contracted, so that the handle 27 is quickly reset.

[0036] The present invention is further configured as follows: an anti-skid sheath 29 is fixedly connected to the outside of the handle 27, and anti-skid particles are fixedly connected to the outside of the anti-skid sheath 29. The anti-skid sheath 29 and the anti-skid particles increase friction to prevent the handle from slipping out of the hand.

[0037] In the present invention, when performing laparoscopic puncture surgery on a patient, the staff will thread the middle rod 102 to the tail of the end rod 101, and the middle rod 102 and the tail rod 103 will be fixedly connected, so that the puncture connecting rod 1 is linear as a whole, and then the pneumoperitoneum needle 3 is inserted into the patient's abdominal cavity, and the middle rod 102 and the tail rod 103 will extend into the patient's abdominal cavity. When the patient's abdomen is surveyed, the searchlight 11 and the camera 12 are started, so that the searchlight 11 and the camera 12 are illuminated and surveyed through the visual glass layer 2. When the hook needs to change the survey position, the inner cylinder 7 and the camera bracket 8 are driven by the motor 5 The searchlight 11 and the camera 12 are both arranged inside the camera bracket 8, so that the survey positions of the searchlight 11 and the camera 12 can be changed. When the survey angle needs to be changed, the cylinder 13 drives the lamp housing 10 to move through the push rod 14, and the hinge 15 is respectively hinged with the push rod 14 and the lamp housing 10, so that the push rod 14 and the lamp housing 10 can rotate relative to each other, so as to achieve the effect of changing the survey angle. In this process, not only can the effect of all-round survey be achieved, but also the adjustment process can be completed in a convenient form, saving the time and production cost of multiple cameras requiring multiple monitors for survey. In this embodiment, when the pneumoperitoneum needle 3 enters the abdominal cavity of the patient, the air outlet channel 18 in the middle of the middle rod 102 will extend into the abdominal cavity of the patient, and the carbon dioxide in the carbon dioxide bottle 19 will be extracted by the air pump. The air outlet pipe 20 is connected with the carbon dioxide inlet pipe 17, so that the carbon dioxide enters the interior of the air outlet channel 18 through the air pipe 20 and the carbon dioxide inlet pipe 17, and then is discharged into the abdominal cavity of the patient, thereby achieving the effect of inflating the patient's abdominal cavity, which is convenient for further investigation. When the air intake efficiency is low, the air bag 22 is repeatedly pressed so that the carbon dioxide can quickly enter the carbon dioxide inlet pipe 17. The rubber block 24 is connected to the rubber groove 23, so that the carbon dioxide intake pipe 17 can be fixed inside the middle rod 102. When operating the thorn connecting rod 1, the staff holds the handle 27 to make the thorn connecting rod 1 vertically enter the patient's abdominal cavity. When the staff's hand shakes, the handle 27 will rotate around the connecting pin 26. At this time, the thorn connecting rod 1 is still in a vertical state to reduce the wound area. When the handle 27 is shaking, the reset springs 28 on both sides are contracted to quickly reset the handle 27.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laparoscopic puncture device, comprising a puncture connecting rod (1), characterized in that: The puncture connecting rod (1) comprises an end rod (101), a middle rod (102) and a tail rod (103); the end rod (101) is threadedly connected to the middle rod (102); the middle rod (102) and the tail rod (103) are fixedly connected; the outside of the middle rod (102) is fixedly connected to a visual glass layer (2); one end of the tail rod (103) is fixedly connected to a pneumoperitoneum needle (3); the inside of the middle rod (102) is fixedly connected to a transverse plate (4); a motor (5) is fixedly installed on the top of the transverse plate (4); a bearing (6) is fixedly installed on the inside of the middle rod (102); the inside of the bearing (6) is rotatably connected to an inner cylinder (7); the inner cylinder (7) is fixedly connected to At the output end of the motor (5), a camera bracket (8) is fixedly mounted on the outside of the inner cylinder (7), a rotating shaft (9) is rotatably connected to the inside of the camera bracket (8), one end of the rotating shaft (9) is fixedly connected to a lamp housing (10), a searchlight (11) is fixedly connected to the outside of the lamp housing (10), a camera (12) is fixedly connected to the center of the inside of the lamp housing (10), a cylinder (13) is fixedly mounted on the inner wall of the camera bracket (8), a push rod (14) is fixedly connected to the output end of the cylinder (13), a hinge (15) is fixedly mounted on the outside of the lamp housing (10), and the push rod (14) is hinged to the lamp housing (10) via the hinge (15).

2. A laparoscopic puncture device according to claim 1, characterized in that: The interior of the Veress needle (3) is solid, and the end of the Veress needle (3) is pointed.

3. A laparoscopic puncture device according to claim 1, characterized in that: The outer portion of the end rod (101) is fixedly connected to an outer cylinder (16), the inner portion of the outer cylinder (16) is plugged with a carbon dioxide inlet pipe (17), and the middle portion of the middle rod (102) is provided with an outlet passage (18).

4. A laparoscopic puncture device according to claim 3, characterized in that: A carbon dioxide bottle (19) is disposed at one end of the carbon dioxide inlet pipe (17), an air pump is disposed inside the carbon dioxide bottle (19), one end of the air pump is fixedly connected to an air outlet pipe (20), and the air outlet pipe (20) is fixedly connected to the carbon dioxide inlet pipe (17).

5. A laparoscopic puncture device according to claim 4, characterized in that: The outside of the carbon dioxide bottle (19) is fixedly connected to a protective bracket (21), and the bottom of the protective bracket (21) is fixedly connected to a counterweight.

6. A laparoscopic puncture device according to claim 4, characterized in that: An air bag (22) is fixedly connected to the middle of the carbon dioxide intake pipe (17), and the air bag (22) is in a bulging shape.

7. A laparoscopic puncture device according to claim 3, characterized in that: The interior of the middle rod (102) is fixedly connected with a rubber clamping groove (23), the interior of the rubber clamping groove (23) is clamped with a rubber clamping block (24), and the carbon dioxide intake pipe (17) is fixed inside the rubber clamping block (24).

8. The laparoscopic puncture device according to claim 1, characterized in that: One end of the thorn connecting rod (1) is fixedly connected to a connecting portion (25), the interior of the connecting portion (25) is rotatably connected to a connecting pin (26), and the middle of the connecting pin (26) is fixedly connected to a handle (27).

9. A laparoscopic puncture device according to claim 8, characterized in that: Both sides of the handle (27) are fixedly connected with return springs (28), and the return springs (28) are in two groups, and the two groups of return springs (28) are symmetrical to each other.

10. The laparoscopic puncture device according to claim 8, characterized in that: The outside of the handle (27) is fixedly connected to an anti-skid protective sleeve (29), and the outside of the anti-skid protective sleeve (29) is fixedly connected to anti-skid particles.

Citation Information

Patent Citations

  • An automatic air-venting laparoscopic trocar

    CN112472236B