CN210228200U - Multi-chuck tissue sampler - Google Patents

Abstract

The utility model relates to a many chucks tissue sampler. Comprises a hand-held rotary control fixing part, a hose connecting part and a multi-chuck control part. The gear rod button is pressed, the gear rod moves linearly to drive a first gear of a flexible shaft at the tail end of the flexible shaft to move, the linkage driven screw rod moves, the telescopic rod pushes the chuck telescopic disc to move longitudinally along with longitudinal telescopic motion, the chuck telescopic disc is linked with the chuck to contract or open a clamping action, and tissue and organs in a clamped human body are sampled. The utility model discloses simple structure, it is with low costs, many chucks organize the sample more stable.

Description

Multi-chuck tissue sampler

Technical Field

The utility model relates to a medical technical field specifically is a many chucks tissue sampler.

Background

At present, along with the development of medical science, the endoscope diagnosis technology is mature day by day, and is popular among the public because of small trauma and small pain, when the endoscope examination is carried out, in order to make clear diagnosis, the technology of sampling living tissues is often involved, physiological tissues and organs of a human body, particularly soft tissues and organs are sampled, many links need to clamp the soft tissues and organs in the human body for sampling, and a soft tissue clamp is needed in the treatment process.

At present, the soft tissue clamp used in the medical institution has complex structure and higher price, and a multi-chuck tissue sampler which has simple structure and low price and needs to shorten the sampling time in clinic is urgently needed.

Disclosure of Invention

The utility model discloses a solve present soft tissue and press from both sides the structure very complicated, the higher problem of price also provides a many chucks tissue sampler.

The utility model adopts the technical proposal that the multi-chuck tissue sampler comprises a hand-held rotary control fixing part, a hose connecting part and a multi-chuck control part; the handheld rotary control fixing part comprises a toothed bar button, a toothed bar fixing groove and a fixed switch clip; the gear rod is a gear rod with teeth on the side surface, the teeth of the gear rod are in hinged fit connection with the teeth of the flexible shaft, when the gear rod button is pressed to push the gear rod to move linearly left and right, the flexible shaft teeth hinge structure drives the flexible shaft to rotate circumferentially, and the tail end of the gear rod is connected with a reset spring; the fixed switch clamp is controlled to be inserted into the toothed bar fixing groove when the fixed switch button is pressed and started, the toothed bar is fixed, and the toothed bar cannot move linearly left and right; when the fixed switch button is switched off, the fixed switch clamp is stopped to be controlled to separate from the toothed bar fixing groove, the toothed bar is separated, and the toothed bar can move left and right in a straight line.

The flexible pipe connecting part comprises a flexible shaft, a flexible shaft sleeve and a flexible shaft outer sleeve, and the flexible shaft is made of stainless steel wire materials and can adapt to the bending of various human physiological tissues and organs; the flexible shaft is supported by a plurality of flexible shaft sleeves, and the circumferential rotary motion of the flexible shaft driven by pressing the gear lever button is transmitted to the chuck control part; the flexible shaft outer sleeve is made of medical PVC high polymer materials and is a smooth outer surface of the connecting part of the hose, and the flexible shaft outer sleeve can smoothly pass through a channel of a physiological tissue organ; the hose connecting part connects the hand-held rotary control fixing part operated outside the body with the multi-chuck control part inside the body.

The multi-chuck control part comprises a clamp and a chuck telescopic disc control part, the clamp comprises 4 chucks and an elastic chuck disc, the elastic chuck disc is formed by connecting a chuck disc spring and the elastic chuck disc and has the function of preventing vibration of a clamped sampling tissue, and the 4 chucks and the elastic chuck disc control sampling of a three-dimensional structure tissue in pairs and can firmly control the three-dimensional structure tissue; the chuck telescopic disc control part is characterized in that the chuck telescopic disc is connected with a telescopic rod, the lower end of the telescopic rod is fixed in a telescopic rod shaft sleeve, and a telescopic rod sliding groove is formed in the lower end of the telescopic rod and enables the telescopic rod to only longitudinally extend and retract but not to rotate; when the telescopic rod stretches and the chuck telescopic disc drives the telescopic rod and the chuck telescopic disc to move together in the radial direction towards the inner direction of the handle, an included angle formed by the telescopic rod and the 4 chuck rods is increased, and the chucks are opened; when the telescopic rod stretches and retracts and the chuck telescopic disc drives the telescopic rod to move radially outwards towards the handle, the included angle formed by the telescopic rod and the 4 chuck rods is reduced, and the chucks contract to clamp sampling soft tissue organs. The lower end of the telescopic rod is provided with telescopic rod teeth, the telescopic rod teeth are in hinged fit connection with the driven screw rod teeth, the driven screw rod teeth are located on the periphery of the upper end of the driven screw rod, the lower end of the driven screw rod is provided with a driven screw rod first gear, the driven screw rod teeth and the driven screw rod first gear are coaxial and concentric, driven screw rod shaft sleeves are arranged at two ends of the driven screw rod, a driven screw rod snap spring is arranged between the two driven screw rod shaft sleeves, and the driven screw rod can only rotate but cannot longitudinally move due to the arrangement of the driven screw rod snap spring; the first gear of the driven screw rod is connected with the first gear of the flexible shaft in a hinge fit manner.

Along with the pressing of ratch button, ratch rectilinear motion drives the first gear motion of the flexible axle at flexible axle end, and the driven lead screw of interlock moves, and the telescopic link is along with longitudinal extension movement, and the telescopic link promotes the flexible dish longitudinal motion of chuck, and the flexible dish interlock chuck of chuck appears contracting or opens the centre gripping action, and the tissue organ sample in the centre gripping human body reaches sample tissue organ purpose.

The utility model has the advantages that: simple structure, low cost, and more stable tissue sampling with multiple clamping heads.

Drawings

Fig. 1 is a schematic structural diagram of the present invention. Fig. 2 is a schematic view of the A-A plane structure of the present invention. Fig. 3 is a schematic view of the structure of the B-B planing surface of the present invention.

Fig. 4 is a partially enlarged schematic view of the multi-chuck control portion of the present invention.

In the figure: 1. the flexible shaft sleeve, 2, a toothed bar button, 3, a toothed bar fixing groove, 4, a fixed switch button, 5, a fixed switch clip, 6, a telescopic bar sleeve, 7, telescopic bar teeth, 8, a driven screw shaft sleeve, 9, driven screw teeth, 10, a driven screw, 11, a flexible shaft first gear, 12, a driven screw first gear, 13, a chuck telescopic disc guide hole, 14, a chuck, 15, a chuck telescopic disc, 16, an elastic chuck disc, 17, a chuck disc spring, 18, a chuck movable end point, 19, a telescopic rod, 20, a flexible shaft, 21, a toothed bar, 22, a flexible shaft second gear, 23, a reset spring, 24, a toothed bar clamping groove, 25, a toothed bar clamping spring, 26, a flexible shaft sliding groove, 27, toothed bar teeth, 28, flexible shaft teeth, 29 and a flexible shaft outer sleeve.

Detailed Description

The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the multi-chuck tissue sampler comprises a hand-held rotary control fixing part, a hose connecting part and a multi-chuck control part; the hand-held rotary control fixing part comprises a toothed bar button 2, a toothed bar 21, a toothed bar fixing groove 24 and a fixed switch clip 5; the rack bar 21 is a rack bar 21 with teeth on the side surface, the rack bar teeth 27 are in hinged fit connection with the flexible shaft teeth 28, when the rack bar button 2 is pressed to push the rack bar 21 to move linearly left and right, the flexible shaft teeth 28 hinge structure drives the flexible shaft 20 to rotate circularly, and the tail end of the rack bar 21 is connected with a return spring 23; the rack bar fixing groove 24 is positioned on the rack bar 21, the fixed switch clamp 5 is connected with the fixed switch button 4, the fixed switch clamp 5 is started and controlled by the fixed switch button 4 to be inserted into the rack bar fixing groove 24, the rack bar 21 is fixed, and the rack bar 21 can not move linearly left and right; the fixed switch button 4 stops controlling the fixed switch clamp 5 to separate from the toothed bar fixing groove 24, so that the toothed bar 21 is separated, and the toothed bar 21 can move left and right linearly.

The hose connecting part comprises a flexible shaft 20, a flexible shaft sleeve 1 and a flexible shaft outer sleeve 29, wherein the flexible shaft 20 is made of stainless steel wire materials and can adapt to the bending of various human physiological tissues and organs; the flexible shaft 20 is supported by a plurality of flexible shaft sleeves 1, and transmits the circumferential rotation motion of the flexible shaft driven by the pressing rack bar button 2 to the chuck control part; the flexible shaft outer sleeve 29 is made of medical PVC high polymer materials and is a smooth outer surface of the connecting part of the hose, and the flexible shaft outer sleeve 29 can smoothly pass through a channel of a physiological tissue organ; the hose connecting part connects the hand-held rotary control fixing part operated outside the body with the multi-chuck control part inside the body.

The multi-chuck control part comprises a clamp and a chuck telescopic disc control part, the clamp comprises 4 chucks 14 and an elastic chuck disc 16, the elastic chuck disc 16 is formed by connecting a chuck disc spring 17 and the elastic chuck disc 16 and has the function of preventing vibration of a clamping sampling tissue, and the 4 chucks 14 and the elastic chuck disc 16 form control on sampling of a three-dimensional structure tissue and can firmly control the three-dimensional structure tissue; the chuck telescopic disc control part is characterized in that a chuck telescopic disc 15 is connected with a telescopic rod 19, the lower end of the telescopic rod 19 is fixed in a telescopic rod shaft sleeve 6, a telescopic rod sliding groove 26 is further formed in the lower end of the telescopic rod 19, and the telescopic rod sliding groove 26 enables the telescopic rod 19 to only longitudinally extend and retract and not to rotate; when the telescopic rod 19 stretches and retracts and the chuck telescopic disc 15 drives the telescopic rod to move radially inwards to the handle, an included angle formed by the telescopic rod and the 4 chucks 14 is increased, and the chucks 14 are opened; when the telescopic rod 19 stretches and retracts and the chuck telescopic disc 15 drives the telescopic rod to move radially outwards towards the handle, an included angle formed by the telescopic rod and the 4 chucks 14 is reduced, and the chucks 14 retract to clamp sampling soft tissue organs. The lower end of the telescopic rod 19 is provided with telescopic rod teeth 7, the telescopic rod teeth 7 are in hinged fit connection with driven screw rod teeth 9, the driven screw rod teeth 9 are located on the periphery of the upper end of a driven screw rod 10, the lower end of the driven screw rod 10 is provided with a driven screw rod first gear 12, the driven screw rod teeth 9 and the driven screw rod first gear 12 are coaxial and concentric, two ends of the driven screw rod 10 are provided with driven screw rod shaft sleeves 8, a driven screw rod clamp spring 25 is arranged between the two driven screw rod shaft sleeves 8, and the driven screw rod clamp spring 25 enables the driven screw rod to only rotate but not to longitudinally move; the first gear 12 of the driven screw rod is connected with the first gear 11 of the flexible shaft in a hinged fit manner.

Along with the pressing of the gear lever button 2, the gear lever 21 moves linearly to drive the first gear 11 of the flexible shaft at the tail end of the flexible shaft 20 to move, the driven screw rod 10 is linked to move, the telescopic rod 19 moves along with longitudinal extension and contraction, the telescopic rod 19 pushes the chuck telescopic disc 15 to move longitudinally, the chuck telescopic disc 15 is linked to the chuck 14 to perform contraction or expansion clamping action, tissue and organs in a human body are clamped to be sampled, and the purpose of sampling the tissue and organs is achieved.

Claims (4)

1. A multi-chuck tissue sampler comprises a handheld rotary control fixing part, a hose connecting part and a multi-chuck control part, and is characterized in that: the gear rod button is pressed, the gear rod moves linearly to drive a first gear of a flexible shaft at the tail end of the flexible shaft to move, the linkage driven screw rod moves, the telescopic rod pushes the chuck telescopic disc to move longitudinally along with longitudinal telescopic motion, the chuck telescopic disc is linked with the chuck to contract or open a clamping action, and tissue and organs in a clamped human body are sampled.

2. The multi-cartridge tissue sampler of claim 1, wherein: the handheld rotary control fixing part comprises a toothed bar button, a toothed bar fixing groove and a fixing switch clamp, toothed bar teeth are matched and connected with flexible shaft teeth in a hinged mode, a flexible shaft teeth hinged structure drives a flexible shaft to do circular rotary motion, the tail end of the toothed bar is connected with a reset spring, the toothed bar fixing groove is located on the toothed bar, the fixing switch clamp is connected with the fixing switch button, and the fixing switch clamp is started and controlled by the fixing switch button to be inserted into the toothed bar fixing groove.

3. The multi-cartridge tissue sampler of claim 1, wherein: the hose connecting part connects the hand-held rotary control fixing part operated outside the body with the multi-chuck control part inside the body.

4. The multi-cartridge tissue sampler of claim 1, wherein: the multi-chuck control part comprises a clamp and a chuck telescopic disc control part, the clamp comprises 4 chucks and an elastic chuck disc, and the elastic chuck disc is formed by connecting a chuck disc spring and an elastic chuck disc; the chuck telescopic disc control part is characterized in that a telescopic rod is connected with a chuck telescopic disc, the lower end of the telescopic rod is fixed in a telescopic rod shaft sleeve, a telescopic rod sliding groove is further formed in the lower end of the telescopic rod, telescopic rod teeth are arranged at the lower end of the telescopic rod and are connected with driven screw rod teeth in a hinged fit mode, the driven screw rod teeth are located on the periphery of the upper end of a driven screw rod, a first driven screw rod gear is arranged at the lower end of the driven screw rod, the driven screw rod teeth and the first driven screw rod gear are coaxial and concentric, driven screw rod shaft sleeves are arranged at two ends of the driven screw rod, a driven screw rod clamp spring is arranged between the two driven screw rod shaft sleeves, and the first.

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