CN115517719A - A tumor sampling device and method with good tumor separation effect - Google Patents

Abstract

The invention discloses a tumor sampling device and a method with good tumor separation effect, which relate to the field of tumors, and include a sampling cylinder, the outer wall of the sampling cylinder is fixedly equipped with a plurality of rotating tables, and the sampling cylinder The outer wall of the peripheral side is provided with a plurality of rotating slots, the positions of the plurality of rotating tables are adapted to the positions of the plurality of rotating slots, and the inner walls of both sides of the plurality of rotating tables are rotatably equipped with arc-shaped teeth. In the present invention, hold the handle to drive the device to move and align the tumor, press the clamping push rod, the horizontal movement of the clamping push rod drives the horizontal movement of the pulling cylinder, the horizontal movement of the pulling cylinder drives the horizontal movement of the driving cartridge, and the horizontal movement of the driving clamp drives Multiple arc-shaped clamping rods rotate synchronously to squeeze the surface of the tumor and extrude a piece of raised tumor tissue, so as to avoid the difficulty in obtaining the required position and portion of the sample when sampling due to the smooth and tough surface of the tumor, which makes the separation The effect of tumor is good.

Description

A tumor sampling device and method with good tumor separation effect

technical field

The invention relates to the field of tumors, in particular to a tumor sampling device and method with good effect of separating tumors.

Background technique

Tumor refers to the neogrowth formed by the proliferation of local tissue cells in the body under the action of various tumorigenic factors, because this neogrowth is mostly in the form of space-occupying blocky protrusions, also known as neoplasm (neoplasm) , studies have found that tumor cells will undergo metabolic changes different from normal cells, and tumor cells themselves can adapt to changes in the metabolic environment through the conversion between glycolysis and oxidative phosphorylation (OXPHOS).

In the surgical treatment of tumors, samples need to be taken for biochemical tests to facilitate medical analysis of tumors. In the process of sampling tumors, it is necessary to use biopsy forceps to clamp and cut the position that needs to be sampled. The surface of the tumor may be smooth and tough. It is difficult to separate the sample from the tumor body during strong sampling, which makes it difficult to obtain the required position and amount of sample during sampling, and the effect of separating the tumor is poor.

Contents of the invention

The purpose of the present application is to provide a tumor sampling device with good tumor separation effect, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present application provides the following technical proposal: a tumor sampling device with good tumor separation effect, including a sampling cylinder, a plurality of rotating tables are fixedly installed on the outer wall of the sampling cylinder, and the sampling cylinder A plurality of rotating slots are provided on the outer wall of the peripheral side, and the positions of the plurality of rotating tables are adapted to the positions of the plurality of rotating slots. One side of the arc-shaped teeth respectively passes through a plurality of the rotating grooves and extends into the sampling cylinder, one side of the plurality of arc-shaped teeth is fixedly equipped with an arc-shaped clamping rod, and the sampling cylinder is provided with There is a driving chuck, the outer wall of the peripheral side of the driving chuck is annularly provided with tooth grooves, and the tooth grooves are meshed with a plurality of arc-shaped teeth, and one side of the driving chuck is fixedly installed with a clamping drive mechanism, a tumor horizontal sampling mechanism is installed on one side of the sampling cylinder.

With the above structure, the clamping drive mechanism drives the drive chuck to move, and the drive chuck moves to drive multiple arc-shaped teeth to rotate synchronously. Squeeze and extrude a raised tumor tissue, so as to avoid the difficulty in obtaining the required position and amount of samples when sampling due to the smooth and tough surface of the tumor, so that the effect of separating the tumor is good.

Preferably, the clamping drive mechanism includes a pulling cylinder, a handle, a clamping push rod and a limit slide rod, the handle is fixedly installed on the bottom side of the sampling cylinder, and the pulling cylinder is fixedly installed on On one side of the driving chuck, the bottom side of the sampling cylinder is provided with a sliding groove, the clamping push rod is fixedly installed on the bottom side of the pulling cylinder, and the bottom end of the clamping push rod Through the sliding groove and extending to the outside of the sampling cylinder, a limit groove is opened on one side of the handle, and the limit slide bar is fixedly installed on one side of the clamping push rod. One end of the sliding rod extends into the limiting groove, and a clamping and holding mechanism is installed on one side of the pulling cylinder.

Further, through the setting of the clamping drive mechanism, when it is necessary to sample the tumor, the hand-held handle drives the device to move and align with the tumor, press the clamping push rod, and under the action of the limit slide bar, the clamping push rod Horizontal movement, the horizontal movement of the clamping push rod drives the horizontal movement of the pulling cylinder, the horizontal movement of the pulling cylinder drives the horizontal movement of the driving chuck, the driving chuck moves and drives multiple arc-shaped teeth to rotate synchronously, and the synchronous rotation of multiple arc-shaped teeth drives multiple arcs The clamp bar rotates synchronously to squeeze the surface of the tumor and extrude a piece of raised tumor tissue, so as to avoid the difficulty in obtaining the required position and portion of the sample when sampling due to the smooth and tough surface of the tumor, which makes the effect of separating the tumor it is good.

Preferably, the clamping and holding mechanism includes a thorn rack, an unlock button, a square rod, a fixed frame and a fixed spring, the thorn rack is fixedly installed on one side of the pulling cylinder, and the unlock button is arranged on the The top side of the sampling cylinder, the square rod is fixedly installed on the bottom side of the unlocking button, the bottom end of the square rod extends into the sampling cylinder and is fixedly connected with the top side of the fixed frame , the fixed frame is in contact with the thorn rack, and the two ends of the fixed spring are respectively fixedly connected with the side of the unlocking button and the sampling cylinder close to each other.

Further, through the setting of the clamping and holding mechanism, the movement of the pulling cylinder drives the rack to move, and the rack moves to contact the fixed frame so that the fixed frame can form a backstop effect on the rack, so that the curved clamp bar can After the tumor tissue is clamped, it can continue to maintain the clamping state, so as to facilitate tissue separation. When the cutting is completed, press the unlock button, and the unlock button drives the fixed frame to move through the square rod, so that the fixed frame is separated from the thorn rack, and the unlocking is completed. .

Preferably, one side of the sampling cylinder is rotatably mounted with a rotating disk, and one side of the rotating disk is fixedly mounted with two mounting plates, and the sides of the two mounting plates close to each other are respectively horizontally sampled from the tumor. The two sides of the mechanism are connected.

Through the setting of the mounting plate, the tumor sampling mechanism can be installed. Through the setting of the rotating disk, the mounting plate can be driven to rotate by the rotating disk. The rotation of the mounting plate can drive the tumor horizontal sampling mechanism to rotate, so as to rotate and pull the sampled tumor tissue away. to improve the separation effect.

Preferably, the tumor level sampling mechanism includes two sampling gears, two driving rods, two sampling rods, two driven rods and two hemispherical sampling knives, and the two sampling gears are rotatably mounted on one of them. On one side of the mounting plate, the two active rods are respectively fixedly mounted on one side of the two sampling gears, and the two driven rods are both rotatably mounted on the same mounting plate, and the two driven rods are mounted on the same mounting plate in rotation. The sampling rods are respectively connected to the two driving rods and one end of the two driven rods in rotation, and the two hemispherical sampling knives are respectively fixedly mounted on one ends of the two sampling rods, and the two said sampling rods The size and position of the hemispherical sampling knife are all adapted, and the same sampling driving mechanism is installed between the two sampling gears.

Further, through the setting of the tumor horizontal sampling mechanism, the two sampling gears are driven to rotate by the sampling driving mechanism, the rotation of the two sampling gears drives the rotation of the two active rods, and under the action of the driven rod, the rotation of the active rod drives the two sampling rods Parallel and synchronous opposite movement, and then drive the two hemispherical sampling knives to move opposite and extend toward the tumor tissue, cutting the extruded tumor tissue, so as to obtain the required position and component of the sample, and the effect of separating the tumor is good .

Preferably, the sampling drive mechanism includes a double-sided rack and a pull rod, the double-sided rack is arranged between the two sampling gears, and the double-sided rack is respectively meshed with the two sampling gears , the pull rod is fixedly installed on one side of the double-sided rack, one end of the pull rod passes through the rotating disk and extends into the sampling cylinder, and the drive operation unit is installed on the pull rod .

Further, through the setting of the sampling drive mechanism, the driving operation unit drives the pull rod to move, the pull rod moves to drive the double-sided rack to move, and the double-sided rack moves to drive the two sampling gears to rotate, so that the tumor horizontal sampling mechanism can be driven to detect the tumor. organization for sampling.

Preferably, a protruding rod is fixedly installed on the top side of the pulling rod, one end of the protruding rod passes through the rotating disc, and the size of the protruding rod is adapted to the size of the driving chuck.

Further, through the setting of the protruding rod, the pulling rod can not only drive the rotating disc to rotate through the protruding rod when rotating, but also can move horizontally when the pulling rod is in place, so that the rotating disc can be easily driven to facilitate tumor tissue extraction. sampling.

Preferably, the driving operation unit includes a rotating box, a push-pull cylinder and two limit blocks, the rotating box is movably socketed on the pull rod, and the two limit blocks are both fixedly socketed on the pull rod The sides of the two limit blocks that are close to each other are respectively in contact with the two sides of the rotating box, and the bottom sides of the pulling cylinder and the sampling cylinder are provided with moving grooves, and the pushing and pulling cylinder is fixedly installed on the rotating box. On the bottom side of the box, the bottom end of the push-pull cylinder passes through the two moving slots in turn and extends to the outside of the sampling cylinder, and a rotating and separating mechanism is installed in the rotating box.

Further, through the setting of the driving operation unit, the push-pull cylinder is pulled, and the movement of the push-pull cylinder drives the rotation box to move. Under the action of the limit block, the movement of the rotation box drives the movement of the pull rod, and then drives the two hemispherical sampling knives to move in opposite directions and Extend toward the tumor tissue, cut the extruded tumor tissue, and collect it in the hemispherical sampling knife.

Preferably, the rotation separation mechanism includes a rotation gear, a ring gear, a round rod and a knob, the rotation gear is fixedly sleeved on the pull rod, the knob is arranged on the bottom side of the push-pull cylinder, and the round rod Fixedly installed on the top side of the knob, the top end of the round rod extends into the rotating box and is fixedly connected with the bottom side of the ring gear, and the ring gear meshes with the rotating gear.

Further, through the setting of the rotating separation mechanism, after cutting, rub the knob with your fingers to rotate, the rotation of the knob drives the rotation of the round rod, the rotation of the round rod drives the rotation of the ring gear, the rotation of the ring gear drives the rotation of the rotation gear, and the rotation of the rotation gear drives the rotation of the pull rod , so as to drive the two hemispherical sampling knives to rotate to further separate the tumor tissue, preventing the hemispherical sampling knives from failing to completely cut off the tumor tissue and causing separation failure.

Preferably, a limit sleeve is fixedly sleeved inside the sampling cylinder, and the limit sleeve is in contact with the peripheral outer wall of the pulling cylinder, and the side of the limit sleeve and the driving chuck is fixedly installed with The same return spring is movable sleeved on the pulling cylinder.

Further, through the setting of the limit sleeve, the pulling cylinder can be limited, so that the pulling cylinder can be moved along a straight line. Through the setting of the return spring, when the clamping of the arc-shaped clamping rod is released, the position of the return spring will Under the action, the arc-shaped clamping rod can be automatically reset, thereby facilitating the separation of the arc-shaped clamping rod from the tumor tissue.

In sum, technical effect and advantage of the present invention:

1. In the present invention, when it is necessary to sample the tumor, the hand-held handle drives the device to move and align it with the tumor, press the clamping push rod, and multiple arc-shaped clamping rods rotate synchronously, thereby squeezing and squeezing the surface of the tumor. A protruding tumor tissue is produced, so as to avoid the difficulty in obtaining the required position and amount of samples when sampling due to the smooth and tough surface of the tumor, so that the effect of separating the tumor is good.

2. In the present invention, the contact between the thorn rack and the fixed frame forms a backstop effect, so that the clamping state can continue to be maintained after the arc-shaped clamping bar clamps the tumor tissue, thereby facilitating tissue separation. When the cutting is completed, press The unlock button drives the fixed frame to move through the square rod, so that the fixed frame is separated from the thorn rack, and the unlocking is completed.

3. In the present invention, the two sampling gears are driven to rotate by the sampling drive mechanism, and the rotation of the two sampling gears drives the rotation of the two active rods. Under the action of the driven rod, the rotation of the active rod drives the two sampling rods to move in parallel and synchronously. , and then drive the two hemispherical sampling knives to move in opposite directions and extend toward the tumor tissue to cut the extruded tumor tissue, so as to obtain the required position and weight of the sample, and the effect of separating the tumor is good; the cut sample Collected in the hemispherical sampling knife to prevent contamination of other items from affecting the test results, and also to avoid other hazards caused by the drop of the sample.

4. In the present invention, after cutting, rub the knob with your fingers to rotate, the rotation of the knob drives the rotation of the round rod, the rotation of the round rod drives the rotation of the ring gear, the rotation of the ring gear drives the rotation of the rotation gear, and the rotation of the rotation gear drives the rotation of the pull rod, thus driving the two The two hemispherical sampling knives are rotated to further separate the tumor tissue, preventing separation failure caused by the failure of the hemispherical sampling knife to completely cut off the tumor tissue.

5. In the present invention, when it is necessary to sample the tumor, hold the handle to drive the device to move and align it with the tumor, press the clamping push rod to clamp and squeeze the tumor tissue, and push the push-pull cylinder to cut and sample the tumor tissue , fingers rub the knob to drive the hemispherical sampling knife to rotate to further cut off the tumor tissue. The whole sampling process can be operated with one hand, and the operation is simple and convenient.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without creative work.

Fig. 1 is the three-dimensional structure schematic diagram of the embodiment of the present application;

FIG. 2 is a schematic perspective view of another perspective structure of the embodiment of the present application;

Fig. 3 is a schematic diagram of a partially enlarged structure in Fig. 2;

Fig. 4 is a schematic diagram of a partially enlarged structure in Fig. 3;

FIG. 5 is a schematic diagram of a partial cutaway structure of an embodiment of the present application;

Fig. 6 is a schematic diagram of a partially enlarged structure in Fig. 5;

Fig. 7 is a schematic diagram of the enlarged structure at A in Fig. 5;

FIG. 8 is an enlarged structural schematic diagram of another part in FIG. 5 .

In the figure: 1. Sampling cylinder; 2. Turntable; 3. Arc-shaped teeth; 4. Arc-shaped clamping rod; 5. Pulling cylinder; 6. Jingle rack; 7. Unlocking button; Fixed frame; 10, fixed spring; 11, rotating disk; 12, mounting plate; 13, sampling gear; 14, driving rod; 15, driven rod; 16, sampling rod; 17, hemispherical sampling knife; 18, double-sided Rack; 19, pulling rod; 20, protruding rod; 21, limit sleeve; 22, driving chuck; 23, rotating box; 24, rotating gear; 25, round rod; 26, knob; 27, push-pull cylinder; 28, ring gear; 29, limit block; 30, handle; 31, clamping push rod; 32, limit slide bar; 33, back-moving spring.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment: Referring to FIGS. 1-8 , a tumor sampling device with a good tumor separation effect includes a sampling cylinder 1 . The sampling cylinder 1 can be any base structure in the prior art, such as a metal cylinder.

The peripheral outer wall of the sampling cylinder 1 is fixedly equipped with a plurality of rotating tables 2, and the peripheral outer wall of the sampling cylinder 1 is provided with a plurality of rotating grooves, and the positions of the plurality of rotating tables 2 are adapted to the plurality of rotating grooves.

The inner walls on both sides of the plurality of rotating tables 2 are rotatably equipped with arc-shaped teeth 3, and one side of the plurality of arc-shaped teeth 3 respectively passes through a plurality of rotating grooves and extends into the sampling cylinder 1. One of the plurality of arc-shaped teeth 3 Both sides are fixedly equipped with an arc-shaped clamping bar 4, and the arc-shaped clamping bar 4 can be any metal bar in the prior art.

The sampling cylinder 1 is provided with a driving chuck 22, which can be any metal cylinder structure in the prior art, and the peripheral outer wall of the driving chuck 22 is annularly provided with tooth grooves, and the tooth grooves are connected with a plurality of arcs. The shaped teeth 3 are evenly meshed, a clamping drive mechanism is fixedly installed on one side of the driving chuck 22 , and a tumor horizontal sampling mechanism is installed on one side of the sampling cylinder 1 .

By means of the above mechanism, the clamping drive mechanism drives the drive chuck 22 to move, the drive chuck 22 moves to drive the multiple arc-shaped teeth 3 to rotate synchronously, and the multiple arc-shaped teeth 3 rotate synchronously to drive the multiple arc-shaped clamp rods 4 to rotate synchronously , so as to squeeze the surface of the tumor and extrude a raised tumor tissue, so as to avoid the difficulty in obtaining the required position and amount of samples during sampling due to the smooth and tough surface of the tumor, so that the effect of separating the tumor is good.

As a preferred implementation of this embodiment, the clamping drive mechanism includes a pulling cylinder 5, a handle 30, a clamping push rod 31 and a limit slide rod 32, and the handle 30 is fixedly installed on the bottom side of the sampling cylinder 1 Above, the pulling cylinder 5 is fixedly mounted on one side of the driving cartridge 22, the bottom side of the sampling cylinder body 1 is provided with a sliding groove, the clamping push rod 31 is fixedly mounted on the bottom side of the pulling cylinder 5, and the clamping push rod 31 The bottom end of the handle 30 runs through the sliding groove and extends to the outside of the sampling cylinder 1. One side of the handle 30 is provided with a limit groove, and the limit slide bar 32 is fixedly installed on one side of the clamping push rod 31. The limit slide bar 32 One end extends into the limit groove, and a clamping and holding mechanism is installed on one side of the pulling cylinder 5. The advantage of this setting is that, when tumor sampling is required, the holding handle 30 drives the device to move through the setting of the clamping drive mechanism. And align the tumor, press the clamping push rod 31, under the action of the limit slide bar 32, the clamping push rod 31 moves horizontally, the horizontal movement of the clamping push rod 31 drives the pulling cylinder 5 to move horizontally, and the pulling cylinder 5 moves horizontally Drive the driving chuck 22 to move horizontally, the driving chuck 22 moves to drive multiple arc-shaped teeth 3 to rotate synchronously, and the synchronous rotation of multiple arc-shaped teeth 3 drives the synchronous rotation of multiple arc-shaped clamping rods 4, thereby squeezing the surface of the tumor and Extrude a piece of raised tumor tissue, so as to avoid the difficulty in obtaining the required position and amount of samples when sampling due to the smooth and tough surface of the tumor, so that the effect of separating the tumor is good.

In this embodiment, the clamping and holding mechanism includes a thorn rack 6, an unlock button 7, a square rod 8, a fixed frame 9 and a fixed spring 10, the thorn rack 6 is fixedly installed on one side of the pulling cylinder 5, and the unlock button 7 is set On the top side of the sampling cylinder 1, the square rod 8 is fixedly installed on the bottom side of the unlocking button 7, and the bottom end of the square rod 8 extends into the sampling cylinder 1 and is fixedly connected with the top side of the fixed frame 9, and the fixed frame 9 is in contact with the thorn rack 6, and the two ends of the fixed spring 10 are fixedly connected with the unlocking button 7 and the side of the sampling cylinder 1 that are close to each other. The movement drives the thorn bar 6 to move, and the thorn bar 6 moves to contact the fixed frame 9 so that the fixed frame 9 can form a backstop effect on the thorn bar 6, so that the tumor tissue can be clamped by the arc clamp rod 4. Continue to maintain the clamping state, so as to facilitate tissue separation. When the cutting is completed, press the unlock button 7, and the unlock button 7 drives the fixed frame 9 to move through the square rod 8, so that the fixed frame 9 is separated from the thorn rack 6, and the unlocking is completed.

As a preferred implementation of this embodiment, one side of the sampling cylinder 1 is rotatably mounted with a rotating disk 11, and one side of the rotating disk 11 is fixedly mounted with two mounting plates 12, and one side of the two mounting plates 12 is close to each other. The two sides are respectively connected to both sides of the tumor horizontal sampling mechanism. The advantage of this setting is that the tumor sampling mechanism can be installed through the setting of the mounting plate 12, and the mounting plate 12 can be driven to rotate by the rotating plate 11 through the setting of the rotating disk 11. The rotation of the mounting plate 12 can drive the tumor horizontal sampling mechanism to rotate, so as to rotate and pull the sampled tumor tissue away to improve the separation effect.

In this embodiment, the tumor horizontal sampling mechanism includes two sampling gears 13, two driving rods 14, two sampling rods 16, two driven rods 15 and two hemispherical sampling knives 17, and both sampling gears 13 rotate Installed on one side of one of the mounting plates 12, two active levers 14 are respectively fixedly installed on one side of the two sampling gears 13, two driven levers 15 are all rotatably installed on the same mounting plate 12, two Sampling rod 16 is respectively connected with two driving rods 14 and an end of two driven rods 15 in rotation, and two hemispherical sampling knives 17 are respectively fixedly mounted on one end of two sampling rods 16, and two hemispherical sampling knives 17 The size and position are all adapted, and the same sampling drive mechanism is installed between the two sampling gears 13. The advantage of this setting is that, through the setting of the tumor horizontal sampling mechanism, the two sampling gears 13 are driven to rotate by the sampling drive mechanism, and the two sampling gears 13 rotate. Two sampling gears 13 rotate to drive two driving rods 14 to rotate, and under the effect of driven rod 15, driving rod 14 rotates and drives two sampling rods 16 to move oppositely in parallel and synchronously, and then drives two hemispherical sampling knives 17 to move oppositely And extend toward the tumor tissue, cut the extruded tumor tissue, so as to obtain the sample of the required position and weight, and the effect of separating the tumor is good.

In this embodiment, the sampling driving mechanism includes a double-sided rack 18 and a pull rod 19, the double-sided rack 18 is arranged between the two sampling gears 13, the double-sided rack 18 is respectively meshed with the two sampling gears 13, and the pulling rod 19 is pulled. The rod 19 is fixedly installed on one side of the double-sided rack 18, and one end of the pull rod 19 runs through the rotating disk 11 and extends into the sampling cylinder 1. The drive operation unit is installed on the pull rod 19. The advantage of this arrangement is that, Through the setting of the sampling drive mechanism, the driving operation unit drives the pull rod 19 to move, the pull rod 19 moves to drive the double-sided rack 18 to move, and the double-sided rack 18 moves to drive the two sampling gears 13 to rotate, thereby driving the tumor horizontal sampling mechanism Tumor tissue is sampled.

In this embodiment, a protruding rod 20 is fixedly installed on the top side of the pulling rod 19, and one end of the protruding rod 20 runs through the rotating disk 11, and the protruding rod 20 is adapted to the size of the driving chuck 22. The setting of the rod 20 can make the pulling rod 19 not only drive the rotating disk 11 to rotate through the protruding rod 20 when rotating, but also can move horizontally when the pulling rod 19 is turned, so that the rotating disk 11 can be conveniently rotated and driven to facilitate tumor treatment. Tissue sampling.

In this embodiment, the driving operation unit includes a rotating box 23, a push-pull cylinder 27 and two limit blocks 29, the rotating box 23 is movably socketed on the pull rod 19, and the two limit blocks 29 are fixedly socketed on the pull rod 19 On the top, the sides of the two limit blocks 29 that are close to each other are respectively in contact with the two sides of the rotating box 23, and the bottom sides of the pulling cylinder 5 and the sampling cylinder 1 are provided with moving grooves, and the push-pull cylinder 27 is fixedly installed on the rotating box 23. On the bottom side of the bottom side of the push-pull cylinder 27, the bottom end of the push-pull cylinder 27 runs through two moving grooves in turn and extends to the outside of the sampling cylinder 1, and a rotation separation mechanism is installed in the rotation box 23. The push-pull cylinder 27, the movement of the push-pull cylinder 27 drives the rotation box 23 to move, under the action of the limit block 29, the movement of the rotation box 23 drives the pull rod 19 to move, and then drives the two hemispherical sampling knives 17 to move towards the tumor tissue Stretch in and cut the extruded tumor tissue.

In this embodiment, the rotating separation mechanism includes a rotating gear 24, a ring gear 28, a round rod 25 and a knob 26, the rotating gear 24 is fixedly sleeved on the pull rod 19, the knob 26 is arranged on the bottom side of the push-pull cylinder 27, and the round rod 25 is fixed Installed on the top side of the knob 26, the top of the round rod 25 extends into the rotary box 23 and is fixedly connected with the bottom side of the ring gear 28. The ring gear 28 is meshed with the rotary gear 24. The advantage of this arrangement is that it can be separated by rotation. The setting of the mechanism, after cutting, rub the knob 26 with your fingers to rotate, the rotation of the knob 26 drives the rotation of the round rod 25, the rotation of the round rod 25 drives the rotation of the ring gear 28, the rotation of the ring gear 28 drives the rotation of the rotation gear 24, and the rotation of the rotation gear 24 drives the pull The rod 19 rotates, thereby driving the two hemispherical sampling knives 17 to rotate, further separating the tumor tissue, preventing the hemispherical sampling knives 17 from failing to completely cut off the tumor tissue and causing separation failure.

As a preferred implementation of this embodiment, the sampling cylinder 1 is fixedly sleeved with a limiting sleeve 21, and the limiting sleeve 21 is in contact with the peripheral outer wall of the pulling cylinder 5, and the limiting sleeve 21 and the driving clip The sides of the tubes 22 close to each other are fixedly installed with the same return spring 33 that is movably sleeved on the pulling tube 5. The advantage of this arrangement is that the pulling tube 5 can be limited by the setting of the limiting sleeve 21, thereby The pulling cylinder 5 can be moved along a straight line, and through the setting of the return spring 33, when the clamping of the arc clamp rod 4 is released, the arc clamp rod 4 can be automatically reset under the action of the return spring 33, thereby facilitating arc clamping. The clamp rod 4 is separated from the tumor tissue.

The working principle of the present invention:

When tumor sampling is required, hold the handle 30 to drive the device to move and aim at the tumor, press the clamping push rod 31, and under the action of the limit slide bar 32, the clamping push rod 31 moves horizontally, and the clamping push rod 31 moves horizontally to drive the pull cylinder 5 to move horizontally, and the horizontal movement of the pull cylinder 5 drives the drive chuck 22 to move horizontally, and the movement of the drive chuck 22 drives multiple arc-shaped teeth 3 to rotate synchronously, and multiple arc-shaped teeth 3 rotate synchronously to drive multiple arcs The clamp rod 4 rotates synchronously, so as to squeeze the surface of the tumor and extrude a piece of raised tumor tissue, so as to avoid the difficulty in obtaining the required position and portion of the sample when sampling due to the smooth surface and strong toughness of the tumor, so that the part of the tumor can be separated. The effect is good, the movement of the pulling cylinder 5 drives the thorn rack 6 to move, and the thorn rack 6 moves to contact the fixed frame 9 so that the fixed frame 9 can form a backstop effect on the thorn rack 6, so that the arc-shaped clamping rod 4 can support the tumor After the tissue is clamped, it can continue to maintain the clamping state, thereby facilitating tissue separation.

Pull the push-pull cylinder 27, the movement of the push-pull cylinder 27 drives the rotation box 23 to move, and under the action of the limit block 29, the movement of the rotation box 23 drives the pull rod 19 to move, and the movement of the pull rod 19 drives the double-sided rack 18 to move, and the double-sided rack 18 moves to drive the two sampling gears 13 to rotate, and the rotation of the two sampling gears 13 drives the two active rods 14 to rotate. Under the action of the driven rod 15, the rotation of the active rod 14 drives the two sampling rods 16 to move in parallel and synchronously. Drive the two hemispherical sampling knives 17 to move in opposite directions and extend toward the tumor tissue, cut the extruded tumor tissue, and collect it in the hemispherical sampling knives 17, so as to obtain samples of the required position and component, separate The effect of the tumor is good. After cutting, rub the knob 26 with your fingers to rotate. The rotation of the knob 26 drives the rotation of the round rod 25. The rotation of the round rod 25 drives the rotation of the ring gear 28. The rotation of the ring gear 28 drives the rotation of the rotation gear 24. The pull rod 19 rotates, and drives the rotating disc 11 to rotate under the action of the protruding rod 20, and the rotating disc 11 drives the mounting plate 12 to rotate, thereby driving the two hemispherical sampling knives 17 to rotate, further separating the tumor tissue, preventing The hemispherical sampling knife 17 fails to completely cut off the tumor tissue, resulting in separation failure. When the cutting is finished, press the unlocking button 7, and the unlocking button 7 drives the fixed frame 9 to move through the square rod 8, so that the fixed frame 9 is separated from the thorn bar 6 to complete the unlocking. When the sample needs to be taken out, push the push-pull cylinder 27, the double-sided rack 18 drives the two sampling gears 13 to rotate, and then drives the two hemispherical sampling knives 17 to open each other. The above-mentioned whole sampling process can be completed by one hand, the sampling effect is good and the use is simple and convenient.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some of the technical features may be replaced equivalently, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (10)

1. A tumor sampling device with good tumor separation effect, comprising a sampling cylinder (1), characterized in that: the peripheral outer wall of the sampling cylinder (1) is fixedly equipped with a plurality of rotating tables (2), the The peripheral outer wall of the sampling cylinder (1) is provided with a plurality of rotating grooves, and the positions of the plurality of rotating tables (2) are adapted to the positions of the plurality of rotating grooves, and the two of the plurality of rotating tables (2) Arc-shaped teeth (3) are rotatably installed on the side inner walls, and one side of the plurality of arc-shaped teeth (3) passes through the plurality of rotating grooves and extends into the sampling cylinder (1). One side of the arc-shaped tooth (3) is fixedly equipped with an arc-shaped clamping rod (4), and a driving chuck (22) is arranged inside the sampling cylinder (1), and the circumference of the driving chuck (22) The side outer wall is annularly provided with a tooth groove, and the tooth groove is meshed with a plurality of the arc-shaped teeth (3), and a clamping driving mechanism is fixedly installed on one side of the driving chuck (22), and the sampling cylinder A tumor horizontal sampling mechanism is installed on one side of the body (1). 2. A tumor sampling instrument with good tumor separation effect according to claim 1, characterized in that: the clamping drive mechanism includes a pulling cylinder (5), a handle (30), a clamping push rod (31) and a limit slide bar (32), the handle (30) is fixedly installed on the bottom side of the sampling cylinder (1), and the pulling cylinder (5) is fixedly installed on the driving chuck (22) On one side of the sampling cylinder (1), a sliding groove is opened on the bottom side of the sampling cylinder (1), and the clamping push rod (31) is fixedly installed on the bottom side of the pulling cylinder (5), and the clamping push rod (31) is fixedly installed on the bottom side of the pulling cylinder (5), and the clamping push rod (31) The bottom end of the rod (31) runs through the sliding groove and extends to the outside of the sampling cylinder (1), a limiting groove is opened on one side of the handle (30), and the limiting sliding rod (32) is fixed Installed on one side of the clamping push rod (31), one end of the limit slide bar (32) extends into the limit groove. 3. A tumor sampling device with good tumor separation effect according to claim 2, characterized in that: a clamping and holding mechanism is installed on one side of the pulling cylinder (5), and the clamping and holding mechanism includes thorn teeth bar (6), unlock button (7), square rod (8), fixed frame (9) and fixed spring (10), and the thorn rack (6) is fixedly installed on one side of the pull cylinder (5) , the unlocking button (7) is set on the top side of the sampling cylinder (1), the square rod (8) is fixedly installed on the bottom side of the unlocking button (7), the square rod The bottom end of (8) extends into the sampling cylinder (1) and is fixedly connected with the top side of the fixed frame (9), and the fixed frame (9) is in contact with the thorn rack (6) , the two ends of the fixing spring (10) are respectively fixedly connected with the unlocking button (7) and the side close to each other of the sampling cylinder (1). 4. A tumor sampling device with good tumor separation effect according to claim 2, characterized in that: a rotating disk (11) is installed on one side of the sampling cylinder (1), and the rotating disk (11 ) is fixedly installed with two mounting plates (12), and the sides of the two mounting plates (12) that are close to each other are respectively connected to both sides of the tumor horizontal sampling mechanism. 5. A tumor sampling device with good tumor separation effect according to claim 4, characterized in that: said tumor horizontal sampling mechanism comprises two sampling gears (13), two driving rods (14), two sampling gears Rod (16), two driven rods (15) and two hemispherical sampling knives (17), two described sampling gears (13) are all rotatably installed on one side of one of them described mounting plate (12) , the two active rods (14) are respectively fixedly mounted on one side of the two sampling gears (13), and the two driven rods (15) are all rotatably mounted on the same mounting plate (12) , two described sampling rods (16) are respectively connected with two described driving rods (14) and one end of two described driven rods (15) in rotation, and two described hemispherical sampling knives (17) are fixed respectively Installed on one end of the two sampling rods (16), the size and position of the two hemispherical sampling knives (17) are all suitable, and the same gear is installed between the two sampling gears (13). Sampling drive mechanism. 6. A tumor sampling device with good tumor separation effect according to claim 5, characterized in that: the sampling driving mechanism comprises a double-sided rack (18) and a pull rod (19), and the double-sided rack (18) is arranged between two described sampling gears (13), and described double-sided rack (18) meshes with two described sampling gears (13) respectively, and described pulling rod (19) is fixedly installed on On one side of the double-sided rack (18), one end of the pull rod (19) passes through the rotating disk (11) and extends into the sampling cylinder (1), the pull rod ( 19) The drive operation unit is installed on it. 7. A tumor sampling instrument with good tumor separation effect according to claim 6, characterized in that: a protruding rod (20) is fixedly installed on the top side of the pulling rod (19), and the protruding rod (20) One end of one end passes through the rotating disk (11), and the size of the protruding rod (20) is adapted to the size of the driving chuck (22). 8. A tumor sampling device with good tumor separation effect according to claim 6, characterized in that: the driving operation unit includes a rotating box (23), a push-pull cylinder (27) and two limit blocks (29) , the rotating box (23) is movably socketed on the pull rod (19), and the two limit blocks (29) are fixedly socketed on the pull rod (19), and the two limit blocks (29) The sides close to each other are in contact with the both sides of the rotating box (23) respectively, and the bottom sides of the pulling cylinder (5) and the sampling cylinder (1) are provided with moving grooves, and the push-pull cylinder (27 ) is fixedly installed on the bottom side of the rotating box (23), the bottom end of the push-pull cylinder (27) passes through the two moving grooves in turn and extends to the outside of the sampling cylinder (1), the rotating A rotating separation mechanism is installed in the case (23). 9. A tumor sampling device with good tumor separation effect according to claim 8, characterized in that: the rotating separation mechanism includes a rotating gear (24), a ring gear (28), a round rod (25) and a knob ( 26), the rotating gear (24) is fixedly sleeved on the pull rod (19), the knob (26) is arranged on the bottom side of the push-pull cylinder (27), and the round rod (25) is fixedly installed On the top side of the knob (26), the top end of the round rod (25) extends into the rotary box (23) and is fixedly connected with the bottom side of the ring gear (28), the ring gear (28) meshes with said rotating gear (24). 10. A tumor sampling device with good tumor separation effect according to claim 2, characterized in that: the sampling cylinder (1) is fixedly sleeved with a limit sleeve (21), and the limit sleeve (21) is in contact with the peripheral outer wall of the pulling cylinder (5), and the side of the limit sleeve (21) and the driving chuck (22) close to each other is fixedly installed with the same movable sleeve connected to the pulling cylinder. Return spring (33) on (5).

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