Disposable puncture outfit for laparoscope
The disposable laparoscopic puncture device addresses the issue of needle movement and visualization in minimally invasive surgeries by using transparent, threaded needles with sealing mechanisms, ensuring precise and safe abdominal puncture.
Patent Information
- Application Number
- CN202420237733.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-01-31
AI Technical Summary
Traditional abdominal puncture devices are prone to movement due to patient breathing, risking damage to internal organs during minimally invasive surgeries, and lack features for precise control and visualization.
A disposable laparoscopic puncture device with transparent, threaded puncture needles and a puncture cone design, equipped with air blocking valves and sealing mechanisms, allowing for controlled depth and clear visualization to prevent organ damage.
Enables stable abdominal puncture procedures by minimizing needle movement and providing clear visualization, ensuring safe and precise insertion and removal.
Smart Images
Figure CN222110127U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of abdominal puncture instruments, in particular to a disposable laparoscopic puncture instrument. Background Art
[0002] Traditional treatment of abdominal lesions mainly involves surgery to open the abdominal cavity so that doctors can obtain sufficient vision to treat the lesions. However, this method is very harmful to patients, takes a long time to recover, and will leave large scars later. With the advancement of technology, minimally invasive methods have begun to be used for treatment, mainly using a puncture device to penetrate the abdominal cavity, and then observing through cameras and other equipment. However, the existing puncture needles are relatively smooth, and the patient's breathing will inevitably lead to abdominal movements, which can easily cause the needle to move. During surgery, you need to pay attention to the needle at all times, otherwise it may damage the patient's internal organs. Utility Model Content
[0003] The purpose of the utility model is to provide a disposable laparoscopic puncture device to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a disposable laparoscopic puncture instrument, comprising a puncture needle seat and a puncture needle, the lower end of the puncture needle seat is fixedly connected to the puncture needle body, the lower end of the puncture needle seat is provided with a coarse-grained puncture needle sleeve or a fine-grained puncture needle sleeve, the middle of the coarse-grained puncture needle sleeve is provided with an air blocking valve, the upper end of the air blocking valve is provided with a sealing seat, the upper end of the sealing seat is fixedly connected with a sealing cap, a buckle ring is provided inside the sealing seat, the buckle ring and the air blocking valve are clamped, an I-shaped sealing ring is provided in the middle of the buckle ring, a positioning ring is provided in the middle of the sealing seat, a conical sealing gasket is sleeved in the middle of the positioning ring, the upper end of the conical sealing gasket is clamped with a fan-shaped piece, the upper end of the fan-shaped piece is provided with a clamping ring, two ends of the puncture needle body pass through the sealing cap and the sealing seat, the side end of the coarse-grained puncture needle sleeve is provided with an injection valve connector, and the lower end of the injection valve connector is provided with an injection valve switch.
[0005] Preferably, the inner wall of the sealing seat is a stepped structure, a support ring is provided in the middle of the sealing seat, and the upper end of the I-shaped sealing ring abuts against the lower end surface of the support ring.
[0006] Preferably, the side end surface of the coarse-grained puncture needle cannula is provided with a coarse thread, the upper end of the fine-grained puncture needle cannula is provided with a fine thread, the coarse-grained puncture needle cannula and the fine-grained puncture needle cannula are connected to the same structure, and the coarse-grained puncture needle cannula and the fine-grained puncture needle cannula are both transparent structures.
[0007] Preferably, a threaded tube is provided in the middle of the upper end of the puncture needle, the threaded tube is threadedly connected to the lower end of the puncture needle body, a mounting sleeve is provided on the outer side of the threaded tube, and a limiting block is fixedly connected to the left inner wall of the mounting sleeve.
[0008] Preferably, the lower end of the coarse-grained puncture needle cannula is fixedly connected to a sleeve platform, the lower end of the sleeve platform is an inclined structure, and a limiting groove is provided on the left outer wall of the sleeve platform.
[0009] Compared with the prior art, the utility model has the following beneficial effects: both the coarse-grained puncture needle cannula and the fine-grained puncture needle cannula are transparent structures for easy observation; the endoscope can visually observe the entire process of abdominal wall puncture to avoid damaging abdominal cavity tissue; the puncture cone design makes the insertion and removal smooth and easy; the tube body has a threaded design, and the puncture depth is controllable. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is a schematic diagram of the puncture device connection.
[0011] Figure 2 Schematic diagram of the coarse-grained puncture needle cannula.
[0012] Figure 3 Schematic diagram of fine line puncture needle cannula.
[0013] Figure 4 This is a schematic diagram of the puncture needle body connection.
[0014] Figure 5 This is a schematic diagram of the puncture needle body connection.
[0015] In the figure: 1 puncture needle seat, 2 puncture needle body, 3 puncture needle head, 4 sealing cap, 5 clamping ring, 6 fan-shaped piece, 7 conical sealing pad, 8 positioning ring, 9 support ring, 10 sealing seat, 11 I-shaped sealing ring, 12 buckle ring, 13 air blocking valve, 14 coarse-grained puncture needle cannula, 15 fine-grained puncture needle cannula, 16 injection valve connector, 17 injection valve switch, 18 socket connection table, 19 limit block, 20 limit groove, 21 installation sleeve, 22 threaded tube. DETAILED DESCRIPTION
[0016] In order to deepen the understanding and recognition of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described and introduced in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments, and are not intended to limit the embodiments in any form. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-5The utility model provides a technical solution: a disposable laparoscopic puncture device, comprising a puncture needle seat 1 and a puncture needle head 3, the lower end of the puncture needle seat 1 is fixedly connected with a puncture needle body 2, the lower end of the puncture needle seat 1 is provided with a coarse-grained puncture needle sleeve 14 or a fine-grained puncture needle sleeve 15, a gas blocking valve 13 is arranged in the middle of the coarse-grained puncture needle sleeve 14, a sealing seat 10 is arranged at the upper end of the gas blocking valve 13, a sealing cap 4 is fixedly connected to the upper end of the sealing seat 10, a buckle ring 12 is arranged inside the sealing seat 10, the buckle ring 12 and the gas blocking valve 13 are clamped, and a working cap 4 is arranged in the middle of the buckle ring 12 An I-shaped sealing ring 11 is provided in the middle of the sealing seat 10, a positioning ring 8 is provided in the middle of the positioning ring 8, a conical sealing gasket 7 is sleeved in the middle, a fan-shaped piece 6 is clamped on the upper end of the conical sealing gasket 7, a clamping ring 5 is provided on the upper end of the fan-shaped piece 6, both ends of the puncture needle body 2 pass through the sealing cap 4 and the sealing seat 10, a gas injection valve connector 16 is provided at the side end of the coarse-grained puncture needle cannula 14, and a gas injection valve switch 17 is provided at the lower end of the gas injection valve connector 16. The inner wall of the sealing seat 10 is a stepped structure, a support ring 9 is provided in the middle of the sealing seat 10, and the upper end of the I-shaped sealing ring 11 abuts against the lower end surface of the support ring 9.
[0018] The side end surface of the coarse-grained puncture needle cannula 14 is provided with a coarse thread, and the upper end of the fine-grained puncture needle cannula 15 is provided with a fine thread. The coarse-grained puncture needle cannula 14 and the fine-grained puncture needle cannula 15 are connected with the same structure. Both the coarse-grained puncture needle cannula 14 and the fine-grained puncture needle cannula 15 are transparent structures, which is convenient for observing the entire process of abdominal puncture during surgery to avoid damaging organs in the abdomen. The threads can limit and fix the coarse-grained puncture needle cannula 14 and the fine-grained puncture needle cannula 15 to avoid movement caused by the patient's breathing, and can control the puncture depth, making the operation more convenient.
[0019] A threaded tube 22 is provided in the middle of the upper end of the puncture needle 3, and the threaded tube 22 is threadedly connected to the lower end of the puncture needle body 2. A mounting sleeve 21 is provided on the outer side of the threaded tube 22, and a limiting block 19 is fixedly connected to the left inner wall of the mounting sleeve 21. The lower end of the coarse-grained puncture needle sleeve 14 is fixedly connected to a sleeve connection platform 18, and the lower end of the sleeve connection platform 18 is an inclined structure. A limiting groove 20 is provided on the left outer wall of the sleeve connection platform 18. When the puncture needle is installed, the threaded tube 22 and the puncture needle 2 are threadedly connected first, and then the puncture needle 3 is moved so that the lower end of the sleeve connection platform 18 is inserted into the threaded tube 22 and the mounting sleeve 21, and the limiting block 19 and the limiting groove 20 are clamped to limit and fix the puncture needle 3 to avoid movement of the puncture needle 3 when the coarse-grained puncture needle sleeve 14 is rotated, thereby avoiding unnecessary harm during surgery.
[0020] 1. Take out the instruments from the sterile packaging and make preoperative preparations according to the aseptic surgical specifications. To avoid contamination of the instruments, do not throw them into the sterile area.
[0021] 2. The puncture needle and puncture sleeve of the puncture device are not assembled together when packaged. When assembling, remove and discard the protective covers on the puncture needle and puncture sleeve, insert the puncture needle into the puncture sleeve until the two are firmly locked together (Note: The inflation valve on the puncture device in the package is in the open position. Before use, please close the inflation valve. When the air blocking valve is perpendicular to the air injection valve, the inflation valve is in the closed position).
[0022] 3. Check whether the air injection valve is closed. To prevent air leakage, make sure the air injection valve is closed when inserting the trocar.
[0023] 4. If used in conjunction with an endoscope, connect the appropriate endoscope to the light source and monitor. Verify that the endoscope is securely connected and the image on the monitor is clear and stable.
[0024] 5. If pneumoperitoneum needs to be established, follow the standard surgical procedure and use appropriate methods to establish pneumoperitoneum.
[0025] 6. When inflating, the air inlet tube can be connected to the inflation valve on the puncture sleeve and opened to inflate. When there is no instrument in the puncture sleeve, the sealing system remains inflated.
[0026] 7. Place the puncture needle holder in the palm of your hand, hold the puncture cannula with your hand, and puncture the abdominal wall according to relevant surgical regulations; before penetration, the protective device on the puncture needle head can retract and allow the blade to be fully exposed; at the moment of penetration, the protective device on the puncture needle head can completely cover the blade.
[0027] 8. After puncturing the abdominal wall and placing it in the proper position, remove the puncture needle and insert an instrument of appropriate size for surgery.
[0028] 9. After entering the abdominal cavity, if inflation is required, reliably connect the injection valve of the puncture cannula to the inflation tube and open the injection valve.
[0029] 10. After the operation, remove the puncture cannula and suture the wound.
[0030] 11. Dispose of used trocars as medical waste.
[0031] Although the embodiments of the utility model have been shown and described, it should be emphasized that the above description is only an introduction and description of the use of the embodiments of the utility model, and does not limit the utility model in any form. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A disposable laparoscopic puncture device, comprising a puncture needle holder (1) and a puncture needle (3), characterized in that: The lower end of the puncture needle seat (1) is fixedly connected to the puncture needle body (2), the lower end of the puncture needle seat (1) is provided with a coarse-grained puncture needle sleeve (14) or a fine-grained puncture needle sleeve (15), the middle of the coarse-grained puncture needle sleeve (14) is provided with a gas blocking valve (13), the upper end of the gas blocking valve (13) is provided with a sealing seat (10), the upper end of the sealing seat (10) is fixedly connected to a sealing cap (4), and the sealing seat (10) A buckle ring (12) is provided inside the buckle ring (12), the buckle ring (12) and the air blocking valve (13) are clamped together, an I-shaped sealing ring (11) is provided in the middle of the buckle ring (12), a positioning ring (8) is provided in the middle of the sealing seat (10), a conical sealing gasket (7) is sleeved in the middle of the positioning ring (8), a fan-shaped piece (6) is clamped on the upper end of the conical sealing gasket (7), and a clamping ring (5) is provided on the upper end of the fan-shaped piece (6), The two ends of the puncture needle body (2) penetrate the sealing cap (4) and the sealing seat (10), the side end of the coarse-grained puncture needle sleeve (14) is provided with an air injection valve connector (16), the lower end of the air injection valve connector (16) is provided with an air injection valve switch (17), the side end surface of the coarse-grained puncture needle sleeve (14) is provided with a coarse thread, the upper end of the fine-grained puncture needle sleeve (15) is provided with a fine thread, and the coarse-grained puncture needle sleeve (14) and the fine-grained puncture needle sleeve (15) are provided with a coarse thread. The needle sleeve (15) is connected to the same structure, the coarse-grained puncture needle sleeve (14) and the fine-grained puncture needle sleeve (15) are both transparent structures, a threaded tube (22) is provided in the middle of the upper end of the puncture needle head (3), the threaded tube (22) and the lower end of the puncture needle body (2) are threadedly connected, a mounting sleeve (21) is provided on the outer side of the threaded tube (22), and a limiting block (19) is fixedly connected to the left inner wall of the mounting sleeve (21).
2. The disposable laparoscopic puncture device according to claim 1, characterized in that: The inner wall of the sealing seat (10) is a stepped structure, a support ring (9) is provided in the middle of the sealing seat (10), and the upper end of the I-shaped sealing ring (11) abuts against the lower end surface of the support ring (9).
3. The disposable laparoscopic puncture device according to claim 1, characterized in that: The lower end of the coarse-grained puncture needle cannula (14) is fixedly connected to a sleeve platform (18), the lower end of the sleeve platform (18) is an inclined structure, and a limiting groove (20) is provided on the left outer wall of the sleeve platform (18).