CN213606714U

CN213606714U - Neurosurgery micro-operation arachnoid knife

Info

Publication number: CN213606714U
Application number: CN202022527760.1U
Authority: CN
Inventors: 王鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-06
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a neurosurgery micro-surgery arachnoid knife, which comprises a barrel body, wherein a limiting rod is inserted into the barrel body and is in threaded connection with the barrel body, a connecting column is movably inserted into the bottom end of the barrel body and is in threaded connection with the limiting rod, a connecting shaft is fixedly installed at the bottom end of the connecting column, a cambered blade is fixedly installed at one end, away from the connecting column, of the connecting shaft, a rotary cutting mechanism is sleeved on the outer wall of the connecting shaft in a threaded manner and is positioned above the cambered blade, and a rubber sleeve is fixedly sleeved on the outer wall of the barrel body. The limit of the operation position on the use of the cutter is reduced, and the use convenience is greatly improved.

Description

Neurosurgery micro-operation arachnoid knife

Technical Field

The utility model belongs to the technical field of the surgical instruments, concretely relates to neurosurgery micro-surgery arachnoid sword.

Background

Neurosurgery is a branch of surgery, and is characterized in that on the basis of surgery as a main treatment means in the surgery, a unique neurosurgery research method is applied to research the damage, inflammation, tumor, deformity and certain genetic metabolic disorders or dysfunctional diseases of structures of human nervous systems such as brain, spinal cord and peripheral nervous systems and related auxiliary mechanisms such as skull, scalp, cerebral vessels and meninges, and a new high, fine and sharp discipline of diagnosis, treatment and prevention technology is explored; particularly, arachnoid surgery is one of neurosurgical microsurgery, and a arachnoid knife is required to cut a capsule wall envelope of the arachnoid cyst during surgery.

Traditional neurosurgery micro-surgery arachnoid knife is provided with only one cambered surface blade that adopts sliding cutting in the use of reality, if the capsule wall diolame of part arachnoid cyst is not convenient for adopt sliding cutting's mode to cut, will increase the complexity of doctor's operation of holding a sword, greatly reduced the convenience of its use to, to this, need design a neurosurgery micro-surgery arachnoid knife.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a neurosurgery micro-surgery arachnoid sword to solve the arachnoid sword that proposes in the above-mentioned background art and only be provided with a cambered surface blade that adopts the slip cutting, if the capsule wall diolame of part arachnoid cyst is not convenient for adopt the mode of slip cutting to cut, will increase the complexity that the doctor held the sword operation, reduced the problem of using the convenience.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a neurosurgery micro-surgery arachnoid sword, includes the barrel, insert the gag lever post in the barrel, just gag lever post and barrel threaded connection, the bottom of barrel activity has inserted the spliced pole, just spliced pole and gag lever post threaded connection, the bottom fixed mounting of spliced pole has the connecting axle, the one end fixed mounting that the spliced pole was kept away from to the connecting axle has the cambered surface blade, the screw has cup jointed the rotation cutting mechanism on the outer wall of connecting axle, just it is located the top of cambered surface blade to rotate cutting mechanism, the fixed cover of having connect has the rubber sleeve on the outer wall of barrel.

Preferably, a first internal thread groove is formed in the inner wall of the top end of the barrel, a first external thread opening is formed in the outer wall of the top end of the limiting rod, and the first external thread opening is in threaded connection with the first internal thread groove.

Preferably, the bottom of gag lever post is opened chisel and is had the screw thread recess, the top fixed mounting of spliced pole has the screw thread post, just the screw thread post inserts in the screw thread recess and rather than threaded connection.

Preferably, the rotary cutting mechanism comprises a sleeve, the sleeve is installed on the connecting shaft in a threaded mode, and a disc blade is fixedly installed on the outer wall of the sleeve.

Preferably, the outer wall of the connecting shaft is provided with a second external thread opening, the outer wall of the connecting shaft is fixedly provided with a limiting ring, and the limiting ring is positioned above the second external thread opening.

Preferably, the inner wall of the sleeve is provided with a second inner thread groove in a chiseled mode, and the second inner thread groove is in threaded connection with the second outer thread opening.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a neurosurgery micro-surgery arachnoid knife has the convenient characteristics of use, in specific use, compares with traditional neurosurgery micro-surgery arachnoid knife comparatively speaking: this arachnoid sword slides the cutting through cambered surface blade to arachnoid cyst's bag wall diolame, if partial arachnoid cyst's bag wall diolame is not convenient for adopt the mode of sliding the cutting when cutting, can install on the connecting axle with rotating cutting mechanism, the handheld barrel of doctor rotates it, can drive the sleeve and rotate, then let disc blade be the rotation state and cut arachnoid cyst's bag wall diolame, for traditional micro-surgery arachnoid sword, this arachnoid sword can cut the processing through the mode of sliding the cutting and rotating the cutting to arachnoid cyst's bag wall diolame, the restriction of operation position to the cutter use has been reduced, the convenience of its use has been improved greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of the structure of the stop lever of the present invention;

FIG. 4 is a schematic view of the connecting column structure of the present invention;

FIG. 5 is a schematic view of the structure of the connecting shaft of the present invention;

fig. 6 is a schematic structural view of the rotary cutting mechanism of the present invention.

In the figure: 1. a barrel; 11. a first internally threaded groove; 2. a rubber sleeve; 3. a limiting rod; 31. a first external thread port; 32. a threaded groove; 4. connecting columns; 41. a threaded post; 5. a connecting shaft; 51. a limiting ring; 52. a second external thread port; 6. a cambered surface blade; 7. rotating the cutting mechanism; 71. a sleeve; 72. a second internally threaded groove; 73. a disc blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a neurosurgery micro-surgery arachnoid knife comprises a barrel body 1, wherein a limiting rod 3 is inserted into the barrel body 1, the limiting rod 3 is in threaded connection with the barrel body 1, a connecting column 4 is movably inserted into the bottom end of the barrel body 1, the connecting column 4 is in threaded connection with the limiting rod 3, a connecting shaft 5 is fixedly installed at the bottom end of the connecting column 4, a cambered surface blade 6 is fixedly installed at one end, away from the connecting column 4, of the connecting shaft 5, a rotary cutting mechanism 7 is sleeved on the outer wall of the connecting shaft 5 in a threaded manner, the rotary cutting mechanism 7 is positioned above the cambered surface blade 6, a rubber sleeve 2 is fixedly sleeved on the outer wall of the barrel body 1, a knife is moved by using wrist force, the capsule wall envelope of arachnoid cyst can be subjected to sliding cutting through the cambered surface blade 6, if part of the capsule wall envelope of arachnoid cyst is not convenient to be cut in a sliding cutting manner, cup joint sleeve 71 on connecting axle 5 from cambered surface blade 6 below orientation, threaded connection between second external thread mouth 52 and second internal thread groove 72, ensure to rotate firm the cup joint on connecting axle 5 of cutting mechanism 7, the handheld barrel 1 of doctor rotates it, can drive sleeve 71 and rotate, then let disc blade 73 be the rotation state and cut the capsule wall diolame of arachnoid cyst, for traditional microsurgery arachnoid sword, this arachnoid sword can cut the processing through the capsule wall diolame of sliding cutting and rotation cutting to arachnoid cyst, the restriction of having reduced the operation position to the cutter use, the convenience of its use has been improved greatly.

The rotary cutting mechanism 7 comprises a sleeve 71, the sleeve 71 is installed on the connecting shaft 5 in a threaded mode, a disc blade 73 is fixedly installed on the outer wall of the sleeve 71, the disc blade 73 can be driven to rotate when the arachnoid knife is rotated, then, capsule wall envelopes of arachnoid cysts can be cut in a rotary mode, cutting convenience is improved, a second inner thread groove 72 is formed in the inner wall of the sleeve 71 in a chiseled mode, the second inner thread groove 72 is in threaded connection with a second outer thread opening 52, the rotary cutting mechanism 7 can be installed on the connecting shaft 5 in a threaded mode through threaded connection between the second outer thread opening 52 and the second inner thread groove 72, installation and disassembly of the rotary cutting mechanism 7 are facilitated, a first inner thread groove 11 is formed in the inner wall of the top end of the barrel 1, a first outer thread opening 31 is formed in the outer wall of the top end of the limiting rod 3, and the first outer thread opening 31 is in threaded connection with the first inner thread groove, through the threaded connection between first external thread mouth 31 and the first internal thread groove 11, ensure that gag lever post 3 can be as an organic whole rather than firm connection after inserting in barrel 1, be equipped with second external thread mouth 52 on the outer wall of connecting axle 5, fixed mounting has spacing ring 51 on the outer wall of connecting axle 5, and spacing ring 51 is located the top of second external thread mouth 52, can carry on spacingly to rotary cutting mechanism 7 through spacing ring 51, ensure to rotate cutting mechanism 7 and stably install the position that corresponds at second external thread mouth 52, threaded groove 32 has been dug to the bottom of gag lever post 3, the top fixed mounting of spliced pole 4 has screw post 41, and screw post 41 inserts in screw groove 32 and rather than threaded connection, through the threaded connection between screw post 41 and the screw groove 32, be convenient for install spliced pole 4 screw thread in the bottom of gag lever post 3.

Specifically, when the utility model is used, firstly, the limiting rod 3 is inserted into the barrel 1 and rotates, then the first external thread port 31 is connected with the first internal thread groove 11 in a threaded manner, the firm thread of the limiting rod 3 is ensured to be installed in the barrel 1, the top end of the connecting column 4 is inserted into the barrel 1 and rotates, then the threaded column 41 is inserted into the threaded groove 32 and is connected with the threaded groove in a threaded manner, and the threaded connection is reverse relative to the threaded connection between the limiting rod 3 and the barrel 1, thereby effectively improving the structural firmness of the utility model, a doctor holds the barrel 1 by hand, the friction force between the knife and the hand can be increased through the rubber sleeve 2, the antiskid effect is improved, the knife is moved by using the hand strength, the capsule wall envelope of the arachnoid cyst can be subjected to sliding cutting through the cambered surface blade 6, if part of the capsule wall envelope of the arachnoid cyst is not convenient to be cut by adopting the sliding cutting manner, can install rotation cutting mechanism 7 on connecting axle 5, cup joint sleeve 71 on connecting axle 5 from cambered surface blade 6 below orientation, threaded connection between second external thread mouth 52 and second internal thread groove 72, ensure to rotate firm the cup jointing of cutting mechanism 7 on connecting axle 5, the handheld barrel 1 of doctor rotates it, can drive sleeve 71 and rotate, then let disc blade 73 be the rotation state and cut the cyst wall diolame of arachnoid cyst, for traditional micro-surgery arachnoid sword, this arachnoid sword can cut the processing through the cyst wall diolame of slip cutting and rotation cutting to arachnoid cyst, the restriction of operation position to the cutter use has been reduced, the convenience of its use has been improved greatly.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a neurosurgery micro-surgery arachnoid knife, a serial communication port, including barrel (1), it has gag lever post (3) to insert in barrel (1), just gag lever post (3) and barrel (1) threaded connection, spliced pole (4) have been inserted in the bottom activity of barrel (1), just spliced pole (4) and gag lever post (3) threaded connection, the bottom fixed mounting of spliced pole (4) has connecting axle (5), the one end fixed mounting that spliced pole (4) were kept away from in connecting axle (5) has cambered surface blade (6), the screw has cup jointed rotation cutting mechanism (7) on the outer wall of connecting axle (5), just rotation cutting mechanism (7) are located the top of cambered surface blade (6), fixed cover has cup jointed rubber sleeve (2) on the outer wall of barrel (1).

2. A neurosurgical microsurgical arachnoid knife according to claim 1, wherein: the inner wall of the top end of the barrel body (1) is provided with a first inner thread groove (11), the outer wall of the top end of the limiting rod (3) is provided with a first outer thread opening (31), and the first outer thread opening (31) is in threaded connection with the first inner thread groove (11).

3. A neurosurgical microsurgical arachnoid knife according to claim 1, wherein: threaded groove (32) are chiseled at the bottom of gag lever post (3), the top fixed mounting of spliced pole (4) has screw thread post (41), just screw thread post (41) insert in screw thread groove (32) and rather than threaded connection.

4. A neurosurgical microsurgical arachnoid knife according to claim 1, wherein: the rotary cutting mechanism (7) comprises a sleeve (71), the sleeve (71) is installed on the connecting shaft (5) in a threaded mode, and a disc blade (73) is fixedly installed on the outer wall of the sleeve (71).

5. A neurosurgical microsurgical arachnoid knife according to claim 1, wherein: the connecting shaft is characterized in that a second external thread opening (52) is formed in the outer wall of the connecting shaft (5), a limiting ring (51) is fixedly mounted on the outer wall of the connecting shaft (5), and the limiting ring (51) is located above the second external thread opening (52).

6. A neurosurgical microsurgical arachnoid knife according to claim 4, wherein: the inner wall of the sleeve (71) is provided with a second inner thread groove (72) in a chiseled mode, and the second inner thread groove (72) is in threaded connection with the second outer thread opening (52).