CN210170125U

CN210170125U - Single fiber separation apparatus

Info

Publication number: CN210170125U
Application number: CN201920632777.8U
Authority: CN
Inventors: Xiuchao Wang; 王秀超; Xufeng Liu; 刘旭峰; Shengjun Wu; 武圣君; Hui Wang; 王卉; Yuting Zhang; 张玉婷
Original assignee: Fourth Military Medical University FMMU
Current assignee: Fourth Military Medical University FMMU
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-03-24
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a single fiber separation apparatus, which comprises a left forceps handle, wherein a containing groove is arranged inside the left forceps handle, the containing groove is connected with a forceps rod through a rotating shaft in a rotating way, the top end of the forceps rod is provided with a forceps tip, the top end of the forceps tip is covered with a silica gel gasket, the outside of the left forceps handle is sleeved with a silica gel sleeve, the surface of the silica gel sleeve is evenly provided with anti-skid lines, the utility model has the advantages of scientific and reasonable structure, convenient use and arrangement of the containing groove and the fixed shaft, solves the problem that the forceps tip is exposed outside and is easy to be damaged and deformed when being placed, realizes the containing protection of the forceps tip, is provided with the forceps tip and the silica gel gasket, can keep the forceps tip to be well engaged, is convenient for the separation of single fibers, avoids the single fibers from falling off when being clamped, is provided with the silica gel sleeve and the anti-skid groove, increases the friction force between the fingers and the forceps handle, affecting the stripping of nerve fibers.

Description

Single fiber separation apparatus

Technical Field

The utility model relates to a nerve fiber separation apparatus technical field specifically is a single fiber separation apparatus.

Background

The main function of the nerve fiber is to conduct nerve impulse, the nerve fiber can be observed in real time in vivo nerve activity of an animal through recording a single nerve fiber, in the process of conducting impulse, nerve fiber endings can release different neurotransmitters, and the nerve fiber endings can be divided into cholinergic nerve fiber, adrenergic nerve fiber and purinergic nerve fiber according to the difference of the released neurotransmitters, wherein the nerve fiber diameter is smaller and is between 0.1 and 1um, so the precision requirement of the separated single fiber on a surgical instrument is higher, but the existing single fiber separation instrument exists in use, after the use is finished, the forceps tip is exposed outside, the forceps tip is easy to be damaged and deformed when being placed, the problems that the storage protection of the forceps tip, the forceps tip cannot be kept in good engagement degree and the single fiber cannot be separated rapidly can be solved, therefore, the problems that the forceps tip can not be accommodated and protected, the forceps tip can not be kept in good engagement degree and, to avoid the above-mentioned problems, it is necessary to provide a single fiber separation device that overcomes the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single fiber separation apparatus to current single fiber separation apparatus exists when using among the solution above-mentioned background art, and after the use, the tweezers point exposes outside, and the tweezers point receives to knock with the damage and warp easily when putting, can not realize the protection of accomodating to the tweezers point and the tweezers point can not keep fine degree of engagement, can not be quick carry out the problem of separating with the single fiber.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single fiber separation apparatus, includes left tweezers handle, right tweezers handle is installed to left tweezers handle one side, through fixation head fixed connection between right tweezers handle and the left tweezers handle, left side tweezers handle one side articulates there is the tweezers pole, the inside groove of accomodating of having seted up of left side tweezers handle, tweezers point is installed on tweezers pole top, tweezers pole and accomodating rotate through the fixed axle between the groove and be connected, left side tweezers handle outer wall one side has been seted up and has been turned to the groove, turn to inslot portion and install locking screw through the screw thread, the outside one side laminating of tweezers point has the silica gel pad, the guided liquid groove is evenly seted up on tweezers point surface, the swash plate is installed to the inside bottom of guided liquid groove, the snap ring is installed to tweezers pole bottom, the spacing groove has evenly been seted up to the snap ring inner wall, the double-layered.

Preferably, the tip of the forceps tip is rectangular, and has a length of 0.5mm and a width of 0.2 mm.

Preferably, the length and width of the forceps rod are equal to those of the accommodating groove.

Preferably, the outside of the left forceps handle is sleeved with a silica gel sleeve, the bottom end of the silica gel sleeve is uniformly provided with a clamping groove, the silica gel sleeve is fixedly connected with the left forceps handle through a clamping strip, the surface of the silica gel sleeve is uniformly provided with an anti-skidding groove, and the fixing head is internally provided with a hanging ring.

Preferably, the inner diameter of the snap ring is equal to the outer diameter of the fixed shaft.

Preferably, the shape of the clamping strip and the clamping groove is T-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with and accomodate the groove, the fixed axle, turn to the groove, snap ring and locking screw, after the use of tweezers point, through stirring the tweezers pole, rotate in fixed axle department by the snap ring, can contract tweezers pole and tweezers point simultaneously to the inside groove of accomodating of left tweezers handle, and twist and move the locking screw that turns to inslot portion and can carry out the centre gripping to tweezers pole bottom and fix, thereby solved after the use, the tweezers point exposes outside, the tweezers point receives the problem of colliding with the damage deformation easily when putting, realized the protection of accomodating to the tweezers point, prolonged the actual life of tweezers point.

2. Be provided with the tweezers point, silica gel gasket and liquid guide groove, when the tweezers point is when carrying out the centre gripping to the single fiber, through silica gel gasket and nerve fiber's contact, avoid tweezers point clamping pressure too big, cause nerve fiber's damage, can discharge the nutrient solution through the liquid guide groove simultaneously, thereby can make the tweezers point keep fine degree of engagement, be convenient for separate the single fiber, avoid the single fiber to take place to drop when the centre gripping, the fastness of single fiber when the centre gripping has been improved, compactness when effectively having improved the device and using.

3. Be provided with silica gel cover, card strip, draw-in groove and antiskid groove, when the experimenter when carrying out the centre gripping to the tweezers handle, increased the frictional force between finger and the tweezers handle through the antiskid groove on silica gel cover surface, avoid the tweezers handle to take place to slide when the centre gripping, the influence is to the peeling off of nerve fibre, can dismantle the silica gel cover and change through the cooperation between card strip and the draw-in groove simultaneously, has guaranteed the inside clean and tidy health of silica gel cover.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

figure 2 is a schematic view of the installation structure of the forceps rod of the utility model;

fig. 3 is a schematic structural view of the forceps tip of the present invention;

fig. 4 is a schematic view of the installation structure of the silica gel cover of the present invention;

reference numbers in the figures: 1. a left forceps handle; 2. a right forceps handle; 3. a fixed head; 4. a forceps rod; 5. a receiving groove; 6. a forceps tip; 7. a fixed shaft; 8. a steering groove; 9. locking the screw rod; 10. a silica gel gasket; 11. a sloping plate; 12. a liquid guide groove; 13. a snap ring; 14. a limiting groove; 15. a silica gel sleeve; 16. clamping the strip; 17. a card slot; 18. an anti-slip groove; 19. hanging a ring; 20. and (4) clamping the groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the utility model provides a technical scheme, a single fiber separation instrument, including a left forceps handle 1, a right forceps handle 2 is installed on one side of the left forceps handle 1, the right forceps handle 2 is fixedly connected with the left forceps handle 1 through a fixing head 3, a forceps rod 4 is hinged on one side of the left forceps handle 1, a containing groove 5 is opened inside the left forceps handle 1, in order to facilitate the containing groove 5 to shrink and store the used forceps rod 4, prevent the forceps tip 6 at the bottom end of the forceps rod 4 from being exposed outside and deformed by collision damage, realize the shrink protection of the forceps tip 6, prolong the actual service life of the forceps tip 6, the length and width of the forceps rod 4 are equal to the length and width of the containing groove 5, the forceps tip 6 is installed on the top end of the forceps rod 4, in order to keep the forceps tip 6 with good meshing degree, can clamp single fiber, improve the firmness of the forceps tip 6 for clamping single fiber, avoid the single fiber from falling off, the tip 6 has a shape, the length of the tweezers rod 4 is 0.5mm, the width of the tweezers rod is 0.2mm, the tweezers rod 4 is rotatably connected with the accommodating groove 5 through a fixing shaft 7, a turning groove 8 is formed in one side of the outer wall of the left tweezers handle 1, a locking screw 9 is installed inside the turning groove 8 through threads, a silica gel gasket 10 is attached to one side of the outer portion of the tweezers tip 6, a liquid guide groove 12 is evenly formed in the surface of the tweezers tip 6, an inclined plate 11 is installed at the bottom end inside the liquid guide groove 12, and a clamping ring 13 is installed at the bottom.

In order to increase the tightness and firmness of the connection between the clamping ring 13 and the fixing shaft 7, the situation that the forceps rod 4 is loosened when in use and causes the falling of nerve fibers at the forceps tip 6 to influence the observation of experiments on the nerve fibers is avoided, the inner diameter of the clamping ring 13 is equal to the outer diameter of the fixing shaft 7, the inner wall of the clamping ring 13 is uniformly provided with a limiting groove 14, and a clamping groove 20 is formed between the left forceps handle 1 and the right forceps handle 2.

Silica gel cover 15 has been cup jointed to left forceps handle 1 outside, draw-in groove 17 has evenly been seted up to silica gel cover 15 bottom, through card 16 fixed connection between silica gel cover 15 and the left forceps handle 1, compactness and fastness of being connected between 16 and the draw-in groove 17 in order to increase the card, avoid silica gel cover 15 to take place to drop by left forceps handle 1 department in the clamping process, improve the fastness of silica gel cover 15 in the installation of left forceps handle 1 department, the experimenter of being convenient for carries out the centre gripping to left forceps handle 1, the shape of card 16 and draw-in groove 17 is the T type, antiskid groove 18 has evenly been seted up on silica gel cover 15 surface, retaining head 3 is inside to have seted up link 19.

The utility model discloses a theory of operation and use flow: in the process of using a single fiber separation instrument, firstly, when an experimenter clamps the left forceps handle 1 and the right forceps handle 2, the friction force between fingers and the forceps handles is increased through the anti-slip grooves 18 on the surface of the silica gel sleeve 15, the forceps handles are prevented from sliding during clamping, the nerve fibers are prevented from being stripped, meanwhile, the silica gel sleeve 15 is shifted, the silica gel sleeve 15 can be detached and replaced through the separation between the clamping strips 16 and the clamping grooves 17, and the cleanness and sanitation of the inside of the silica gel sleeve 15 are guaranteed;

then, when the single fiber is clamped by the forceps tip 6, the contact between the silica gel gasket 10 and the nerve fiber avoids the damage of the nerve fiber caused by overlarge clamping pressure of the forceps tip 6, and meanwhile, the nutrient solution can be discharged through the liquid guide groove 12, so that the forceps tip 6 can keep good engagement degree, the single fiber can be conveniently separated, the single fiber is prevented from falling off during clamping, the firmness of the single fiber during clamping is improved, and the tightness of the device during use is effectively improved;

finally, after the use of the forceps tip 6 is finished, the forceps tip 4 is shifted, the clamping ring 13 rotates at the fixed shaft 7, the forceps tip 4 and the forceps tip 6 can be simultaneously contracted into the accommodating groove 5 in the left forceps handle 1, and the locking screw 9 in the steering groove 8 can be screwed to clamp and fix the bottom end of the forceps tip 4, so that the problem that the forceps tip 6 is exposed outside after the use is finished and the forceps tip 6 is easily damaged and deformed during placement is solved, the storage protection of the forceps tip 6 is realized, the actual service life of the forceps tip 6 is prolonged, and the device can be hung and placed through the hanging ring 19.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A single fiber separation instrument comprises a left forceps handle (1), and is characterized in that: the forceps comprise a left forceps handle (1), a right forceps handle (2) is installed on one side of the left forceps handle (1), the right forceps handle (2) is fixedly connected with the left forceps handle (1) through a fixing head (3), a forceps rod (4) is hinged to one side of the left forceps handle (1), a containing groove (5) is formed in the left forceps handle (1), forceps tips (6) are installed at the top end of the forceps rod (4), the forceps rod (4) is rotatably connected with the containing groove (5) through a fixing shaft (7), a steering groove (8) is formed in one side of the outer wall of the left forceps handle (1), a locking screw (9) is installed in the steering groove (8) through threads, a silica gel gasket (10) is attached to one side of the outer portion of the forceps tips (6), a liquid guide groove (12) is evenly formed in the surface of the forceps tip (6), an inclined plate (11) is installed at the bottom end of the liquid guide groove (12), and a clamping, the inner wall of the clamping ring (13) is uniformly provided with a limiting groove (14), and a clamping groove (20) is arranged between the left forceps handle (1) and the right forceps handle (2).

2. The single fiber separation instrument of claim 1, wherein: the shape of the tip of the forceps tip (6) is rectangular, the length of the tip is 0.5mm, and the width of the tip is 0.2 mm.

3. The single fiber separation instrument of claim 1, wherein: the length and the width of the forceps rod (4) are equal to those of the accommodating groove (5).

4. The single fiber separation instrument of claim 1, wherein: the forceps holder is characterized in that a silica gel sleeve (15) is sleeved outside the forceps holder (1), a clamping groove (17) is uniformly formed in the bottom end of the silica gel sleeve (15), the silica gel sleeve (15) is fixedly connected with the left forceps holder (1) through a clamping strip (16), an anti-skidding groove (18) is uniformly formed in the surface of the silica gel sleeve (15), and a hanging ring (19) is arranged inside the fixing head (3).

5. The single fiber separation instrument of claim 1, wherein: the inner diameter of the clamping ring (13) is equal to the outer diameter of the fixed shaft (7).

6. The monofilament separation apparatus of claim 4, wherein: the clamping strips (16) and the clamping grooves (17) are T-shaped.