CN218572224U

CN218572224U - Skin dermal tissue sampler

Info

Publication number: CN218572224U
Application number: CN202222052135.5U
Authority: CN
Inventors: 沈自慧; 王雪
Original assignee: Hangzhou Luyuan Biotechnology Co ltd
Current assignee: Hangzhou Luyuan Biotechnology Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-03-07
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a skin dermal tissue sample thief relates to sample thief technical field, including the holding rod, the transmission groove has been seted up to the inside of holding rod, the inside movable mounting in transmission groove has the bull stick, the inside of holding rod and the middle part that is located the transmission groove have seted up the ring channel, one side fixed mounting of bull stick has the slider, the beneficial effects of the utility model are that: through the bull stick, the ring channel, the slider, first connection bearing, the axostylus axostyle, a button, the connecting rod, reset spring and the cooperation of trephine tool bit, when using, we only need through pressing the button, the bull stick can rotate the decline through slider and ring channel cooperation, thereby the trephine tool bit just can be followed the bull stick and the connecting rod rotates downwards, thereby sample, and through ring channel and slider cooperation, it rotates the number of turns and bores and gets the degree of depth homogeneous phase the same, can not appear being the too big or undersize condition of dynamics in the sampling and appear, and this structural design is ingenious, the operation is simple and convenient, the accurate convenient for popularize and use of taking a sample.

Description

Skin dermal tissue sampler

Technical Field

The utility model relates to a sample thief technical field specifically is a skin genuine leather tissue sample thief.

Background

The skin sampler is also called a skin drill changing sampler, a round living body skin sampler and the like, is applied to sampling dermal tissues of skin and is used for sampling and cultivating fibroblasts for facial injection; at present, most of samplers are used for sampling by an independent trephine bit and a drill rod, the trephine bit needs to be rotated on skin tissues to take down the skin tissues when the sampling device is used, force cannot be effectively controlled during sampling, the trephine bit can invade into the skin deeply if the trephine bit is too large in force, accordingly, a wound is too deep and inconvenient to recover, the samples cannot be completely taken down if the force is too small, force is inconvenient to control, and therefore the skin and dermis tissue sampler is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a skin genuine leather tissue sample thief has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a skin dermal tissue sample thief, includes the holding rod, the transmission groove has been seted up to the inside of holding rod, the inside movable mounting in transmission groove has the bull stick, the ring channel has been seted up to the inside of holding rod and the middle part that is located the transmission groove, one side fixed mounting of bull stick has the slider, slider and ring channel sliding connection, first connection bearing is installed at the top of bull stick, the mid-mounting of first connection bearing has the axostylus axostyle, the top fixed mounting of axostylus axostyle has the stopper, the top fixed mounting of stopper has the button, the outside that the button extends to the holding rod top, the second connection bearing is installed to the bottom of bull stick, the mid-mounting of bull stick bottom has the connecting rod, two location sections are installed to the bottom screw thread of holding rod, the outside that the inside of transmission groove just is located the connecting rod is provided with reset spring, the internally mounted that the one end of connecting rod extends to two location sections has the trephine tool bit.

Preferably, the top of the positioning cylinder is fixedly provided with a threaded connector, the inside of the holding rod and the bottom of the transmission groove are provided with a threaded groove, and the threaded connector is in threaded connection with the threaded groove.

Preferably, the bottom of the positioning cylinder is provided with a soft rubber block.

Preferably, the top of the transmission groove is provided with a hole matched with the button.

Preferably, the tops of the two positioning cylinders are provided with holes matched with the connecting rod.

Preferably, the first connecting bearing is rotatably connected with a first bearing inner ring, the first connecting bearing is fixedly connected with the rotating rod, and the shaft rod is fixedly connected with the first bearing inner ring.

Preferably, the second connecting bearing is rotatably connected with a second bearing inner ring, the second connecting bearing is rotatably connected with the rotating rod, and the connecting rod penetrates through the inner part of the second bearing inner ring and is fixedly connected with the second bearing inner ring.

The utility model provides a skin genuine leather tissue sample thief possesses following beneficial effect:

1. this dermal tissue sampler of skin, through the bull stick, the ring channel, the slider, first connection bearing, the axostylus axostyle, a button, the connecting rod, reset spring and the cooperation of trephine tool bit, when using, we only need be through pressing down the button, the bull stick can rotate the decline through slider and ring channel cooperation, thereby the trephine tool bit just can be followed the bull stick and the connecting rod rotates downwards, thereby sample, and through ring channel and slider cooperation, it rotates the number of turns and bores and gets the degree of depth homogeneous phase the same, the condition that the dynamics is too big or the undersize appears in the sampling can not appear, and this structural design is ingenious, high durability and convenient use, accurate facilitate promotion in the sample.

2. This skin dermal tissue sample thief, through a location section of thick bamboo, screwed joint and thread groove cooperation, can take off two location sections of thick bamboos after using and change, and promote a location section of thick bamboo and rubber soft block and the contact of patient sample skin department when using, can carry out the accurate positioning, can not rock, the sample of being convenient for, and shelter from the sample department through a location section of thick bamboo when the sample, also can avoid patient direct observation to the sample process, reduce patient fear.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a sectional view of the grip rod and the positioning cylinder of the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 5 is a schematic view of a first connecting bearing of the present invention;

fig. 6 is a schematic view of a second connecting bearing according to the present invention.

In the figure: 1. a holding rod; 2. a transmission groove; 3. a rotating rod; 4. an annular groove; 5. a slider; 6. a first connecting bearing; 7. a shaft lever; 8. a limiting block; 9. a button; 10. a second connection bearing; 11. a connecting rod; 12. a positioning cylinder; 13. a return spring; 14. a trephine bit; 15. a threaded joint; 16. a thread groove; 17. a soft rubber block; 601. a first bearing inner race; 101. and a second bearing inner race.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a skin dermal tissue sample thief, including holding rod 1, driving groove 2 has been seted up to the inside of holding rod 1, driving groove 2's top seted up with button 9 complex hole, button 9 extends to the outside at 1 top of holding rod, two location section of thick bamboos 12 are installed to holding rod 1's bottom screw thread, this structure is held when using and is got the convenience, high durability and convenient use, and can dismantle two location section of thick bamboos 12 and change, avoid causing cross infection, be convenient for control sampling dynamics and degree of depth through pressing button 9, thereby be convenient for carry out human skin tissue sampling.

A rotating rod 3 is movably installed inside the transmission groove 2, an annular groove 4 is formed in the inner portion of the holding rod 1 and located in the middle of the transmission groove 2, a slider 5 is fixedly installed on one side of the rotating rod 3, the slider 5 is slidably connected with the annular groove 4, a first connecting bearing 6 is installed on the top of the rotating rod 3, a first bearing inner race 601 is rotatably connected to the inner portion of the first connecting bearing 6, the first connecting bearing 6 is fixedly connected with the rotating rod 3, a shaft rod 7 is fixedly connected with the first bearing inner race 601, the first connecting bearing 6 and the first bearing inner race 601 mainly function to rotate through the first connecting bearing 6 and the first bearing inner race 601 when a button 9 is pressed down, so that the first connecting bearing 6 and the rotating rod 3 both rotate, the first bearing inner race 601 and the shaft 7 only do not rotate when pressed down, the shaft rod 7 is installed in the middle of the first connecting bearing 6, a stopper 8 is fixedly installed on the top of the stopper 8, a button 9 is fixedly installed on the top of the rotating rod 3, a second connecting rod connecting bearing 10 is installed on the bottom of the rotating rod 3, the second connecting rod 10, the connecting rod 10 is rotatably connected with a return spring 13, and a return spring 12 is installed on the inner race 13 of the connecting rod 11, and the connecting rod 11, when the connecting rod 11 is moved down, and the connecting rod 2, and the return of the connecting rod, and the connecting rod is moved, and the return of the connecting rod, and the connecting rod is prevented from being damaged inner race 13, through bull stick 3, the ring channel 4, the slider 5, first connecting bearing 6, axostylus axostyle 7, button 9, connecting rod 11, reset spring 13 cooperates with trephine tool bit 14, when using, we only need through pressing button 9, bull stick 3 can be through slider 5 and ring channel 4 cooperation rotation decline, thereby the ring drill tool bit 14 just can follow bull stick 3 and connecting rod 11 and rotate downwards, thereby sample, and through ring channel 4 and slider 5 cooperation, its number of turns and bore and get the degree of depth homogeneous phase the same, the condition that the dynamics is too big or the undersize appears in the sampling can not appear, and this structural design is ingenious, high durability and convenient use, the accurate facilitate promotion of sample is used.

The top fixed mounting of a location section of thick bamboo 12 has screwed joint 15, threaded groove 16 has been seted up to the inside of holding rod 1 and the bottom that is located drive groove 2, screwed joint 15 and threaded groove 16 threaded connection, the main effect of two location section of thick bamboos 12 is convenient for carry out the dismouting through screwed joint 15 and threaded groove 16 cooperation, thereby be convenient for change after the sampling is accomplished, equally also be convenient for change trepan tool bit 14, the condition of avoiding appearing cross infection appears, the bottom of a location section of thick bamboo 12 is provided with rubber soft piece 17, through a location section of thick bamboo 12, screwed joint 15 and threaded groove 16 cooperation, can take off two location section of thick bamboos 12 after the use and change, and promote location section of thick bamboo 12 and rubber soft piece 17 and patient sample skin department contact when using, can carry out the accurate positioning, can not rock, be convenient for the sample, and shelter from the sample department through a location section of thick bamboo 12 when the sample, also can avoid patient direct observation to the sampling process, reduce patient fear.

In conclusion, the dermal tissue sampler for skin comprises two positioning cylinders 12, a trephine bit 14 is wrapped and gathered by the two positioning cylinders 12, a threaded connector 15 is screwed into a threaded groove 16 to complete installation of the positioning cylinders 12, the holding rod 1 is held, positioning is carried out at a skin sampling position of a patient through the positioning cylinders 12 and a rubber soft block 17, after the rubber soft block 17 is in contact positioning with the patient, a thumb presses a button 9 to sample, the button 9 is pressed downwards to transmit through a shaft rod 7, a rotating rod 3 rotates downwards through the matching of a sliding block 5 and an annular groove 4 to drive a connecting rod 11 and the trephine bit 14 to rotate downwards, and accordingly sampling can be carried out on dermal assembly of skin through the trephine bit 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A skin dermal tissue sample thief, includes holding rod (1), its characterized in that: drive groove (2) have been seted up to the inside of holding rod (1), the inside movable mounting in drive groove (2) has bull stick (3), ring channel (4) have been seted up to the inside of holding rod (1) and the middle part that is located drive groove (2), one side fixed mounting of bull stick (3) has slider (5), slider (5) and ring channel (4) sliding connection, first connecting bearing (6) are installed at the top of bull stick (3), the mid-mounting of first connecting bearing (6) has axostylus axostyle (7), the top fixed mounting of axostylus axostyle (7) has stopper (8), the top fixed mounting of stopper (8) has button (9), button (9) extend to the outside at holding rod (1) top, second connecting bearing (10) are installed to the bottom of bull stick (3), the mid-mounting of bull stick (3) bottom has connecting rod (11), two location section of thick bamboo (12) are installed to the bottom screw thread of holding rod (1), the inside of drive groove (2) and the outside that is located connecting rod (11) is provided with the one end of reset spring (13) drill bit (12).

2. The dermal tissue sampler of claim 1, wherein: the top of the positioning barrel (12) is fixedly provided with a threaded connector (15), the inside of the holding rod (1) and the bottom of the transmission groove (2) are provided with a threaded groove (16), and the threaded connector (15) is in threaded connection with the threaded groove (16).

3. The dermal tissue sampler of claim 1, wherein: the bottom of the positioning cylinder (12) is provided with a rubber soft block (17).

4. The dermal tissue sampler according to claim 1, wherein: the top of the transmission groove (2) is provided with a hole matched with the button (9).

5. The dermal tissue sampler according to claim 1, wherein: the tops of the two positioning cylinders (12) are provided with holes matched with the connecting rods (11).

6. The dermal tissue sampler according to claim 1, wherein: the inner part of the first connecting bearing (6) is rotatably connected with a first bearing inner ring (601), the first connecting bearing (6) is fixedly connected with the rotating rod (3), and the shaft lever (7) is fixedly connected with the first bearing inner ring (601).

7. The dermal tissue sampler according to claim 1, wherein: the inside of second connection bearing (10) rotates and is connected with second bearing inner race (101), second connection bearing (10) rotates with bull stick (3) and is connected, connecting rod (11) pass the inside of second bearing inner race (101) and rather than fixed connection.