Type A: JYT-5-55-A、JYT-10-55-A、JYT-12-55-A、JYT-15-55-A、JYT-5-75-A、JYT-10-75-A、JYT-12-75-A、JYT-15-75-A、JYT-5-95-A、JYT-10-95-A、JYT-12-95-A、JYT-15-95-A、JYT-5-100-A、JYT-10-100-A、JYT-12-100-A、JYT-15-100-A
Type B: JYT-5-55-B、JYT-10-55-B、JYT-12-55-B、JYT-15-55-B、JYT-5-75-B、JYT-10-75-B、JYT-12-75-B、JYT-15-75-B、JYT-5-95-B、JYT-10-95-B、JYT-12-95-B、JYT-15-95-B、JYT-5-100-B、JYT-10-100-B、JYT-12-100-B、JYT-15-100-B
The Type A disposable laparoscopic puncture device consists of a sheath seat, a puncture sheath, an injection valve, a puncture cone, a self-adjusting sealing cap, and a blocking valve. The sheath seat consists of a sealing cover and a locking fixing seat. The schematic diagram of the structure is shown in Figure 1
1. Sealing cover 2, locking fixed seat 3, puncture sleeve 4, injection valve 5, puncture cone assembly 6, self-adjusting sealing cap 7, gas blocking valve
Figure 1 Type A Disposable Laparoscopic Puncture Device
The B-type disposable laparoscopic puncture device consists of a sheath seat, a puncture sheath, an injection valve, a puncture cone, a self-adjusting sealing cap, and a blocking valve. The sheath seat consists of a sealed upper cover, a sealed lower cover, and a puncture sheath upper cover. The schematic diagram of the structure is shown in Figure 2
1. Sealing upper cover 2, sealing lower cover 3, puncture sleeve upper cover 4, puncture sleeve 5, injection valve 6, puncture cone 7, self-adjusting sealing cap 8, air blocking valve
Figure 2 B-type disposable laparoscopic puncture device
The main component materials of the disposable laparoscopic puncture device are shown in Table 1.
Table 1: List of Main Component Materials for Disposable Laparoscopic Puncture Devices
| Component Name | Material Grade | Standard Number |
| Puncture cone | PC or PC+06Cr19Ni10 | HG/T 2503-1993、 GB/T 1220-2007 |
| Sealing cover, locking fixed seat, sealing upper cover, sealing lower cover, puncture sleeve upper cover | PC | HG/T 2503-1993 |
| Gas injection valve, puncture sleeve | PC | HG/T 2503-1993 |
| Gas blocking valve | Silica gel | GB 29204-2012 |
1. Appearance
The surface of the puncture device should be flat and smooth, with clear contours, no sharp edges or burrs, flying edges, scratches, and no visible defects such as pores, cracks, grooves, or sintered materials.
2. The basic dimensions of the puncture device should comply with the provisions of Table 2
Table 2 Basic dimensions of puncture device
Unit mm
| Model Specifications | Inner Diameter of Puncture Tube D | Puncture Tube Length L | ||
| Basic Dimensions | Allowable Deviation | Basic Dimensions | Allowable Deviation | |
| JYT-5-55-A | 6.0 | 0.5 | 55 | 5 |
| JYT-5-55-B | ||||
| JYT-10-55-A | 11.0 | 0.5 | 55 | 5 |
| JYT-10-55-B | ||||
| JYT-12-55-A | 12.8 | 0.5 | 55 | 5 |
| JYT-12-55-B | ||||
| JYT-15-55-A | 15.5 | 0.5 | 55 | 5 |
| JYT-15-55-B | ||||
| JYT-5-75-A | 6.0 | 0.5 | 75 | 5 |
| JYT-5-75-B | ||||
| JYT-10-75-A | 11.0 | 0.5 | 75 | 5 |
| JYT-10-75-B | ||||
| JYT-12-75-A | 12.8 | 0.5 | 75 | 5 |
| JYT-12-75-B | ||||
| JYT-15-75-A | 15.5 | 0.5 | 75 | 5 |
| JYT-15-75-B | ||||
| JYT-5-95-A | 6.0 | 0.5 | 95 | 5 |
| JYT-5-95-B | ||||
| JYT-10-95-A | 11.0 | 0.5 | 95 | 5 |
| JYT-10-95-B | ||||
| JYT-12-95-A | 12.8 | 0.5 | 95 | 5 |
| JYT-12-95-B | ||||
| JYT-15-95-A | 15.5 | 0.5 | 95 | 5 |
| JYT-15-95-B | ||||
| JYT-5-100-A | 6.0 | 0.5 | 100 | 5 |
| JYT-5-100-B | ||||
| JYT-10-100-A | 11.0 | 0.5 | 100 | 5 |
| JYT-10-100-B | ||||
| JYT-12-100-A | 12.8 | 0.5 | 100 | 5 |
| JYT-12-100-B | ||||
| JYT-15-100-A | 15.5 | 0.5 | 100 | 5 |
| JYT-15-100-B | ||||
3. Flexibility
The injection valve and blocking valve of the puncture device should open and close flexibly, without any blockage or jamming.
4. Collaboration performance
4.1 The fit between the puncture tube and the puncture cone should be good, and there should be no jamming during interaction.
4.2 The clearance between the puncture sleeve and the puncture cone should not exceed 0.3mm.
4.3 When the puncture sleeve is matched with the puncture cone, the tip of the puncture cone must be completely exposed.
5. Sealing and gas barrier properties
5.1 The injection valve and sealing cap of the puncture device should have good sealing performance, and there should be no obvious leakage when subjected to 4KPa air pressure.
5.2 The air blocking valve of the puncture device should have good sealing performance, and the number of bubbles emitted per minute should be less than 20 when subjected to a pressure of 4KPa.
6. Gas injection valve interface
The injection valve should be equipped with a Luer locking connector, in accordance with the provisions of GB/T1962.2.
Used for laparoscopic examination and surgical procedures, to puncture the abdominal wall tissue of the human body and establish a working channel for abdominal surgery.
