目前临床上用于组织缝合的器械为单向缝合器械，缺点是需反复穿线，交换器械，费时费力，极为不便。作者设计了一种往复缝合器 At present, the instruments used for tissue suturing in clinic are one-way suturing instruments. The disadvantage is that it requires repeated threading and exchange of instruments, which is time-consuming and labor-intensive and extremely inconvenient. The authors designed a reciprocating suturing device