CN-122005032-A - Minimally invasive gynecological surgical instrument with real-time image guiding and variable-angle operating head

CN122005032ACN 122005032 ACN122005032 ACN 122005032ACN-122005032-A

Abstract

The invention provides a minimally invasive gynecological surgical instrument with a real-time image guide and variable angle operation head, which belongs to the technical field of medical instruments, and comprises an operation handle, a clamping assembly and a cutting assembly, wherein a movable hole is formed in the operation handle, a movable inner tube which is controlled by a telescopic mechanism to move is slidably arranged in the movable hole, the clamping assembly is arranged on the movable inner tube through a connecting assembly and is used for clamping an affected part and cutting the affected part by matching with the cutting assembly, the clamping assembly and the cutting assembly are designed together to realize linkage control, accurate cutting can be integrally realized after clamping, the posture of the instrument is not required to be additionally adjusted, the operation steps are reduced, and the occurrence of cutting errors possibly caused by focus displacement in the adjustment process is avoided.

Inventors

JIN XIANGSHU
YANG WEN
LIU FENG
LIU SUYI
LI GUANQIANG

Assignees

中国人民解放军总医院第七医学中心

Dates

Publication Date: 20260512
Application Date: 20260309

Claims (10)

1. The minimally invasive gynecological surgical instrument with the real-time image guiding and variable angle operating head comprises an operating handle, and is characterized in that a movable hole is formed in the operating handle, and a movable inner tube which is controlled to move by a telescopic mechanism is slidably arranged in the movable hole; The clamping assembly is arranged at one end of the movable inner tube through the connecting assembly, the clamping assembly is provided with a cutting assembly, the clamping assembly is used for clamping an affected part, and the cutting assembly is used for cutting the affected part.
2. The minimally invasive gynecological surgical instrument with the real-time image guiding and variable angle operating head according to claim 1, wherein the telescopic mechanism comprises an adjusting cavity arranged in the operating handle, a thread groove is formed in the adjusting cavity, a first motor is fixedly installed on the movable inner tube, a thread adjusting block is fixedly installed on an output shaft of the first motor, and the thread adjusting block is in threaded connection with the thread groove.
3. The minimally invasive gynecological surgical instrument with the real-time image guiding and variable angle operating head according to claim 2, wherein the clamping assembly comprises a mounting cover, an annular first clamping piece is fixedly arranged at one end of the mounting cover, a movable block is slidably arranged in the mounting cover, a second clamping piece matched with the first clamping piece is fixedly arranged at one end of the movable block, a positioning block is fixedly arranged in the mounting cover, a transmission rod is rotatably arranged at the other end of the movable block, the transmission rod is in threaded connection with the positioning block, and tooth grooves are formed in the transmission rod.
4. The minimally invasive gynecological surgical instrument with the real-time image guided and variable angle manipulation head of claim 3, wherein the clamping assembly further comprises a second motor fixedly mounted on the positioning block, and a tooth block in meshed connection with the tooth slot is fixedly mounted on an output shaft of the second motor.
5. The minimally invasive gynecological surgical instrument with a real-time image guided and variable angle manipulation head of claim 4, wherein the connection assembly comprises a stationary ring fixedly mounted on an inner wall of the movable inner tube, a movable ball movably mounted within the stationary ring, and the mounting cap is fixedly mounted on the movable ball.
6. The minimally invasive gynecological surgical instrument with the real-time image guiding and angle-variable operating head according to claim 5, wherein the operating handle is provided with an installation cavity, a sliding block is slidably installed in the installation cavity, a pair of protruding blocks are fixedly installed on the inner top wall of the installation cavity, springs are fixedly installed on the protruding blocks, one ends of the springs, far away from the protruding blocks, are abutted against the sliding block, an extension rod is fixedly installed on the movable ball, a fixing rod is fixedly installed on the sliding block, an adjusting ring is fixedly installed on the fixing rod, the adjusting ring is sleeved on the extension rod and supports the extension rod to cooperate with the extension rod to drive the movable ball to rotate, and a rubber pad is fixedly installed on the inner wall of the adjusting ring.
7. The minimally invasive gynecological surgical instrument with the real-time image guided and variable angle manipulation head of claim 6, wherein the manipulation handle is threadably coupled with a locking bolt having one end positioned within the mounting cavity and abutting the slider.
8. The minimally invasive gynecological surgical instrument with the real-time image guiding and angle-variable operating head according to claim 7, wherein the upper end and the lower end of the second clamping piece are respectively provided with a sliding groove, the upper end and the lower end of the mounting block are respectively connected in the two sliding grooves in a sliding manner, the mounting block is fixedly provided with an annular cutting block, the mounting block is fixedly provided with a pull rope, and the pull rope penetrates through the second clamping piece, the movable block, the transmission rod, the movable ball and the extension rod and extends out of the operating handle.
9. The minimally invasive gynecological surgical instrument with a real-time image guided and variable angle manipulation head of claim 8, wherein a camera is fixedly mounted on one side of the second clamping tab for viewing the interior of the patient's body.
10. The minimally invasive gynecological surgical instrument with a real-time image guided and variable angle manipulation head of claim 8, wherein the mounting block is fixedly mounted with illumination light beads for illuminating the field of view of the affected area.

Description

Minimally invasive gynecological surgical instrument with real-time image guiding and variable-angle operating head Technical Field The invention relates to the technical field of medical instruments, in particular to a minimally invasive gynecological surgical instrument with a real-time image guiding and variable angle operating head. Background In the modern medical field, minimally invasive surgery has become the mainstream development direction of gynecological disease diagnosis and treatment by virtue of the remarkable advantages of small trauma, rapid postoperative recovery, low complication occurrence rate and the like, is widely applied to the treatment of common diseases such as hysteromyoma, ovarian cyst, endometrial polyp and the like, and enters the body through a natural cavity or a tiny puncture hole of a human body by means of special minimally invasive instruments, so that core operations such as clamping and cutting of pathological tissues are completed in a limited operation space, and the core design thought is to realize accurate surgical intervention on the premise of reducing damage to normal tissues of patients, thereby conforming to the core ideas of the accurate treatment and minimally invasive rehabilitation of modern medicine. Most of the existing clamping mechanisms and cutting mechanisms of the instruments are independently controlled, integrated linkage design is lacked, and the cutting operation can be performed only by additionally adjusting the posture of the instruments after clamping and fixing, so that not only is the operation step increased, but also the cutting error caused by focus displacement in the adjustment process is likely to be difficult to meet the actual requirements of clinical complex minimally invasive surgery. Disclosure of Invention The invention provides a minimally invasive gynecological surgical instrument with a real-time image guide and a variable angle operation head, which aims to solve the technical problems that the clamping mechanism and the cutting mechanism of the existing instrument are mostly independently controlled, an integrated linkage design is lacked, the cutting operation can be performed only by additionally adjusting the posture of the instrument after clamping and fixing, the operation steps are increased, the cutting error is possibly caused by focus displacement in the adjustment process, and the actual requirement of the clinical complex minimally invasive operation is difficult to meet. In order to solve the technical problems, the invention provides the following technical scheme: The minimally invasive gynecological surgical instrument with the real-time image guiding and variable angle operating head comprises an operating handle, wherein a movable hole is formed in the operating handle, and a movable inner tube which is controlled to move by a telescopic mechanism is slidably arranged in the movable hole; The clamping assembly is arranged at one end of the movable inner tube through the connecting assembly, the clamping assembly is provided with a cutting assembly, the clamping assembly is used for clamping an affected part, and the cutting assembly is used for cutting the affected part. Optionally, telescopic machanism is including seting up the regulation chamber in operating handle, be provided with the screw thread groove in the regulation chamber, fixed mounting has first motor on the movable inner tube, fixed mounting has the screw thread regulating block on the output shaft of first motor, screw thread regulating block and screw thread groove threaded connection. Optionally, the clamping assembly includes the installation cover, fixed mounting has annular first centre gripping piece on the installation cover one end, sliding mounting has the movable block in the installation cover, fixed mounting has with first centre gripping piece complex second centre gripping piece on the movable block one end, fixed mounting has the locating piece in the installation cover, rotate on the movable block other end and install the transfer line, transfer line and locating piece threaded connection, the tooth's socket has been seted up on the transfer line. Optionally, the clamping assembly further comprises a second motor fixedly installed on the positioning block, and a tooth block meshed with the tooth groove is fixedly installed on an output shaft of the second motor. Optionally, the connecting assembly comprises a fixed ring fixedly installed on the inner wall of the movable inner tube, a movable ball is movably installed in the fixed ring, and the installation cover is fixedly installed on the movable ball. Optionally, the installation cavity has been seted up on the operating handle, slidable mounting has the slider in the installation cavity, roof fixed mounting has a pair of lug in the installation cavity, all fixed mounting has the spring on the lug, the one end that the lug was kept away from to the spring offsets with