CN218606779U

CN218606779U - Puncture sleeve assembly for brain surgery

Info

Publication number: CN218606779U
Application number: CN202222111915.2U
Authority: CN
Inventors: 陈昆
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-03-14
Anticipated expiration: 2032-08-11

Abstract

The utility model provides a puncture sleeve subassembly is used in brain operation belongs to brain surgery operation technique for to the great technical problem of brain damage when solving current brain operation sleeve pipe and putting into. The puncture rod comprises a puncture head and a puncture tube, the puncture head is fixed at the end part of the puncture tube, the puncture tube is of a hollow structure, an elastic tube clamp is fixed at the upper end of the sleeve, the puncture rod and the sleeve are detachably connected through the elastic tube clamp, an adjusting support is sleeved outside the sleeve and is in threaded connection with the sleeve, the sleeve comprises a conical tube section and a straight tube section, the conical tube section is arranged at the lower part of the straight tube section, the puncture head penetrates out from the lower end of the conical tube section, the taper of the connecting section of the conical tube section and the conical tube section is the same, an arc transition is arranged at the connecting part of the lower end of the conical tube section and the puncture head, the end part of the puncture head is in an arc transition from small to large, and the puncture head is made of elastic materials; the puncture sleeve component has the advantages of simple operation, convenient sleeve implantation, small brain tissue damage and the like.

Description

Puncture sleeve assembly for brain surgery

Technical Field

The utility model belongs to the technical field of brain surgery operation, a puncture sleeve is related to, specifically a brain operation is with puncture sleeve subassembly.

Background

In the existing craniotomy of the brain (such as intracranial hematoma, intracranial tumor operation and the like), an auxiliary retracting sleeve is usually used for retracting to form an operation channel, so that an endoscope or surgical instruments can conveniently enter the operation channel. During operation, a soft membrane of about 0.5CM can be cut behind an electrocoagulation cortex of a brain, and then the opening is pulled to a certain caliber and is placed into a sleeve, the existing pulling modes are usually two, one adopts a balloon to stretch and pull, and the other adopts a puncture rod to expand and pull.

When the balloon is used for retracting, the opening is expanded by inflating the balloon, but the sleeve can be placed only by expanding the balloon to a size exceeding the size of the end part of the sleeve when the balloon is inflated, and the expansion size of the balloon is difficult to control and is easy to damage due to overlarge expansion; when retracting through the puncture stick, because the puncture stick inserts trompil department from sleeve inside and expands the opening, puts into the sleeve again, there is certain deviation puncture stick and telescopic diameter, and it is relatively more difficult that the sleeve is put into, and is great to the risk of brain damage.

Based on this, design one kind and be convenient for imbed and can reduce brain surgery with puncture sleeve subassembly of brain damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a brain operation is with puncture sleeve subassembly, the technical problem that the device will solve is: when the brain surgery is performed, the placement of the retracting sleeve is convenient, and the damage to the brain is reduced.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a brain operation is with puncture sleeve subassembly, including sleeve and puncture stick, during the use, puncture stick inserts in the sleeve and puncture stick and sleeve are axial swing joint, puncture stick comprises puncture head and puncture tube, puncture head fixes the tip at puncture tube, puncture tube is hollow structure, telescopic upper end is fixed with the elasticity pipe clamp, puncture stick passes through elasticity pipe clamp releasable connection with the sleeve, telescopic outside cover is equipped with the regulation support, regulation support and sleeve threaded connection, the sleeve includes conic tube section and straight tube section, conic tube section sets up the lower part at straight tube section, puncture head wears out and the tapering of both linkage segments is the same from conic tube section's lower extreme, conic tube section's lower extreme sets up the circular arc transition with puncture head junction, puncture head tip is the circular arc transition from little to big, puncture head adopts elastic material to make.

Puncture head adopts transparent silica gel material to make, and the silica gel material is rich in elasticity, and is soft relatively when expanding to puncture opening, and when with sleeve end connection, owing to have elasticity and can fill the diameter difference of port department, the telescopic leading-in of being convenient for can reduce the damage to brain tissue, adopts transparent material also to be convenient for observe the condition of puncture opening simultaneously.

The end of the puncture head is provided with a suction hole, the inside of the puncture head is provided with a liquid suction channel, the liquid suction channel is in a conical shape with a small bottom and a big top, and the liquid suction channel is communicated with the suction hole.

When puncturing, the wound is easy to bleed, the visual field can be shielded, the drainage tube is generally adopted for suction, in the device, the drainage tube can be directly inserted into the puncturing rod, suction is directly carried out, blood is directly sucked out by the drainage tube through the suction hole, and the operation is convenient.

The adjusting support comprises a threaded ring and handles, the handles are fixed on two sides of the threaded ring, and external threads matched with the threaded ring are arranged on the straight pipe section of the sleeve.

Structure more than adopting, adjusting support and sleeve threaded connection can adjust relative position between them, are convenient for fix, put into the back at the sleeve and go on its rigidity operation of being convenient for through the handle, after fixing the regulation support, can rotate the sleeve and adjust its degree of depth, improve the convenience of operation.

The sleeve and the puncture tube are made of transparent materials, so that the operation observation is facilitated, and the operation visual field cannot be shielded; the upper end of the puncture tube is provided with a flanging ring, which is convenient for pulling out the puncture rod.

The inner side and the outer side of the lower end of the conical pipe section of the sleeve are respectively provided with an inner chamfer and an outer chamfer, and the inner chamfer and the outer chamfer are circular arc chamfers.

By adopting the structure, the inner chamfer angle is arranged to facilitate the extension and retraction of the puncture head, and the outer chamfer angle is arranged to enable the puncture head to be in smooth transition with the end part of the sleeve, thereby facilitating the insertion of the sleeve.

The outer surface of the taper pipe section of the sleeve is provided with scale marks, the depth of the sleeve can be known through the scale marks, and damage caused by over-deep placement is prevented.

The elastic pipe clamp comprises a fixing ring, a connecting arm and a clamping ring, the fixing ring is fixed at the upper end of the sleeve, the clamping ring is connected with the fixing ring through the connecting arm, the clamping ring comprises a clamping portion and a pressing portion, the pressing portion is located on one side of the clamping portion, the other side of the clamping portion is provided with an opening, and a gasket is arranged on the inner side of the clamping portion.

Structure more than adopting, the elasticity pipe clamp is used for connecting the puncture stick and fixes its position, and the clamping part is used for pressing from both sides tight puncture pipe, presses the splenium to the inboard, and the clamping part can outwards open to can insert or extract the puncture stick, loosen and press the splenium, the clamping part resets to the inboard, thereby presss from both sides tight puncture stick, and the clamping part inboard sets up the gasket and can increase the friction, makes the centre gripping more stable, has certain buffering effect simultaneously and can not damage the puncture pipe.

The elastic pipe clamp is made of elastic metal sheets, the clamping ring is made of reverse folding bent arcs, the structure is simple, the cost is low, the clamping part can be opened by pressing the parts through extrusion, and the operation is simple and convenient.

Compared with the prior art, this puncture sleeve subassembly for brain operation has following advantage:

1. when the sleeve is placed in, the puncture head expands the puncture opening, the sleeve is guided into the puncture opening along with the insertion of the puncture head, the lower port of the conical pipe section can be tightly attached to the puncture head with high elasticity, the joint of the lower port of the conical pipe section is in arc transition, the sleeve can be conveniently placed in, and meanwhile damage to brain tissues can be reduced.

2. The puncture rod consists of a puncture tube and a puncture head, the puncture head is made of transparent silica gel materials, the silica gel materials are rich in elasticity and relatively soft, the puncture opening is relatively soft when being expanded, and when the puncture rod is connected with the end part of the sleeve, the diameter difference at the port part can be filled due to the elasticity, so that the sleeve is convenient to introduce, the damage to brain tissues can be reduced, and meanwhile, the condition of the puncture opening is convenient to observe due to the adoption of transparent materials; the end of the puncture head is provided with a suction hole, the inner part of the puncture head is provided with a liquid suction channel, when the wound bleeds, the drainage tube is inserted into the puncture rod, the puncture rod can suck, and the blood is directly sucked out by the drainage tube through the suction hole, so that the operation is convenient.

3. The sleeve and the puncture stick are connected through the elastic pipe clamp, so that the puncture stick can be conveniently fixed and taken out, and the operation is simple and convenient.

4. After the adjusting support is fixed, the depth of the adjusting support can be finely adjusted through the rotating sleeve, and convenience of operation is improved.

5. This puncture sleeve subassembly for brain operation convenient to use, through the cooperation of sleeve, regulation support and puncture stick, the sleeve is put into conveniently, and is little to brain tissue damage, can improve the convenience of operation and the success rate of operation.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic front view of the middle sleeve of the present invention;

fig. 4 is a schematic sectional view of the sleeve according to the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4;

fig. 6 is a schematic front view of the puncture rod of the present invention;

FIG. 7 is a schematic sectional view of the piercing rod of the present invention;

fig. 8 is a schematic front view of the adjusting bracket of the present invention;

fig. 9 is a schematic top view of the adjusting bracket of the present invention;

fig. 10 is a schematic front view of the pipe clamp of the present invention;

fig. 11 is a schematic top view of the pipe clamp of the present invention;

in the figure: 1. a sleeve; 101. a conical pipe section; 102. a straight pipe section; 103. an external thread; 104. chamfering the outer part; 105. inner chamfering; 2. adjusting the bracket; 201. a threaded ring; 202. a handle; 3. a puncture head; 301. a suction hole; 302. a liquid suction channel; 4. a puncture tube; 401. a flanging ring; 5. an elastic pipe clamp; 501. a fixing ring; 502. a connecting arm; 503. a clamp ring; 504. a gasket; 505. a clamping portion; 506. a pressing part.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-11, this embodiment provides a puncture sleeve assembly for brain surgery, which includes a sleeve 1 and a puncture rod, when in use, the puncture rod is inserted into the sleeve 1 and is axially movably connected with the sleeve 1, the puncture rod is composed of a puncture head 3 and a puncture tube 4, the puncture head 3 is fixed at an end of the puncture tube 4, the puncture tube 4 is of a hollow structure, an elastic tube clamp 5 is fixed at an upper end of the sleeve 1, the puncture rod and the sleeve 1 are detachably connected through the elastic tube clamp 5, an adjusting bracket 2 is sleeved outside the sleeve 1, the adjusting bracket 2 is in threaded connection with the sleeve 1, the sleeve 1 includes a conical tube section 101 and a straight tube section 102, the conical tube section 101 is arranged at a lower part of the straight tube section 102, the puncture head 3 penetrates out of a lower end of the conical tube section 101, tapers of the connecting sections of the conical tube section 101 and the connecting sections of the conical tube section and the puncture head 3 are the same, an arc transition is arranged at a connection position where the lower end of the conical tube section 101 and the puncture head 3 are connected, an end of the puncture head 3 is in an arc transition from small to large arc, and the puncture head 3 is made of an elastic material; press down elastic tube clamp 5, insert the puncture stick in sleeve 1, loosen elastic tube clamp 5 and can be with puncture stick rigidity, when putting into sleeve 1, puncture head 3 is used for expanding the puncture, along with the insertion of puncture head 3, with the leading-in puncture of sleeve 1, the lower port of taper pipe section 101 can closely laminate the putting into of sleeve 1 of being convenient for with the puncture head 3 that is rich in elasticity, can reduce the damage to brain tissue simultaneously, after reacing a certain position, will adjust 2 fixed can be with sleeve 1 rigidity, also can finely tune telescopic degree of depth through rotating sleeve 1, loosen elastic tube clamp 5, can extract the puncture stick, sleeve 1's hollow structure forms the operation passageway.

In this embodiment, puncture head 3 adopts transparent silica gel material to make, and the silica gel material is rich in elasticity, and is soft relatively, and is relatively soft when expanding to puncture opening, and when with sleeve 1 end connection, owing to have elasticity and can fill the diameter difference of port department, the telescopic leading-in of being convenient for can reduce the damage to brain tissue, adopts transparent material also to be convenient for observe the condition of puncture opening simultaneously.

The end part of the puncture head 3 is provided with a suction hole 301, the inner part of the puncture head 3 is provided with a liquid suction channel 302, the liquid suction channel 302 is in a conical shape with a small lower part and a big upper part, and the liquid suction channel 302 is communicated with the suction hole 301; when puncturing, the wound is easy to bleed, the visual field can be shielded, the drainage tube is generally adopted for suction, in the device, the drainage tube can be directly inserted into the puncturing rod for direct suction, and blood is directly sucked out by the drainage tube through the suction hole 301, so that the operation is convenient.

The adjusting bracket 2 comprises a threaded ring 201 and handles 202, the handles 202 are fixed on two sides of the threaded ring 201, and the straight pipe section 102 of the sleeve 1 is provided with external threads 103 matched with the threaded ring 201; adjust support 2 and sleeve 1 threaded connection, can adjust relative position between them, be convenient for fixed, put into the back at the sleeve and go on its operation of being convenient for with its rigidity through handle 202, after fixing and adjusting support 2, can rotate sleeve 1 and adjust its degree of depth, improve the convenience of operation.

The sleeve 1 and the puncture tube 4 are made of transparent materials, preferably transparent PU materials, so that the operation observation is convenient, and the operation visual field can not be shielded; the upper end of the puncture tube 4 is provided with a flanging ring 401 to facilitate the extraction of the puncture rod.

An inner chamfer 105 and an outer chamfer 104 are respectively arranged on the inner side and the outer side of the lower end of the conical pipe section 101 of the sleeve 1, and the inner chamfer 105 and the outer chamfer 104 are both arc chamfers; the inner chamfer 105 is arranged to facilitate the extension and retraction of the puncture head 3, and the outer chamfer 104 is arranged to enable the puncture head 3 to be in smooth transition with the end part of the sleeve 1, thereby facilitating the insertion of the sleeve.

The outer surface of the taper pipe section 101 of the sleeve 1 is provided with scale marks, the depth of the sleeve can be known through the scale marks, and damage caused by over-deep placement is prevented.

The elastic pipe clamp 5 comprises a fixing ring 501, a connecting arm 502 and a clamping ring 503, the fixing ring 501 is fixed at the upper end of the sleeve 1, the clamping ring 503 is connected with the fixing ring 501 through the connecting arm 502, the clamping ring 503 comprises a clamping portion 505 and a pressing portion 506, the pressing portion 506 is located on one side of the clamping portion 505, an opening is formed in the other side of the clamping portion 505, and a gasket 504 is arranged on the inner side of the clamping portion 505; the elastic pipe clamp 5 is used for connecting a puncture rod and fixing the puncture rod, the clamping part 505 is used for clamping the puncture tube 4, the pressing part 506 is pressed inwards, the clamping part 505 can be outwards opened so as to be inserted into or pulled out of the puncture rod, the pressing part 506 is loosened, the clamping part 505 resets inwards so as to clamp the puncture rod, the gasket 504 is arranged on the inner side of the clamping part 505, friction can be increased, clamping is more stable, and meanwhile, certain buffering effect is achieved, and the puncture tube 4 cannot be damaged.

In this embodiment, the elastic pipe clamp 5 is made of an elastic metal sheet, and the clamping ring 503 is made of a reverse folding curved arc, so that the structure is simple, the cost is low, the clamping portion 505 can be opened by pressing the pressing portion 506 through extrusion, and the operation is simple and convenient.

The utility model discloses a theory of operation:

when an operation is performed, the adjusting support 2 is sleeved on the sleeve 1 and is adjusted to a proper position, the pressing portion 506 of the elastic pipe clamp 5 is pressed to open the clamping portion 505, the puncture rod penetrates through the clamping portion 505 to be inserted into the sleeve 1, the elastic pipe clamp 5 is loosened, the clamping portion 505 resets inwards, the puncture pipe 4 is clamped, the puncture rod is fixed in the sleeve 1, at the moment, the end portion of the puncture head 3 extends out of the lower end of the sleeve 1, the puncture head 3 is tightly attached to the inner portion of the conical pipe section 101, the puncture head 3 is made of transparent silica gel materials and has certain elasticity, the diameter difference of the port portion of the connecting port can be filled, the port of the sleeve 1 and the puncture head 3 form smooth transition, the sleeve 1 can be conveniently placed, and meanwhile damage to brain tissues can be reduced.

Along with the insertion of the puncture head 3, the puncture hole is expanded, meanwhile, the sleeve 1 is guided into the puncture opening, the insertion depth can be known by observing the scale marks, after the puncture hole reaches the position, the elastic pipe clamp 5 is opened, the puncture rod is pulled out of the sleeve 1, the adjusting support 2 and the sleeve 1 are fixed through an instrument, and the hollow structure of the sleeve 1 forms an operation channel. The adjusting bracket 2 is in threaded connection with the sleeve 1, and the position of the adjusting bracket 2 on the straight section of the sleeve 1 is adjustable, so that the fixed position can be adjusted conveniently. After fixing adjusting bracket 2, can finely tune its degree of depth through rotating sleeve 1, avoid haring the brain tissue, improve the convenience of operation. During the insertion process, if the wound is bleeding, the drainage tube is inserted into the puncture rod for suction, and blood is directly sucked out by the drainage tube through the suction hole 301.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a brain operation is with puncture sleeve subassembly, includes sleeve (1) and puncture stick, during the use, puncture stick inserts in sleeve (1) and puncture stick and sleeve (1) are axial swing joint, a serial communication port, puncture stick comprises puncture head (3) and puncture pipe (4), puncture head (3) are fixed at the tip of puncture pipe (4), puncture pipe (4) are hollow structure, the upper end of sleeve (1) is fixed with elastic pipe clamp (5), puncture stick and sleeve (1) pass through elastic pipe clamp (5) releasable connection, the outside cover of sleeve (1) is equipped with adjusting bracket (2), adjusting bracket (2) and sleeve (1) threaded connection, sleeve (1) are including awl tube section (101) and straight tube section (102), awl tube section (101) set up in the lower part of straight tube section (102), puncture head (3) wear out from the lower extreme of awl tube section (101) and the tapering of both connecting sections is the same, the lower extreme of awl tube section (101) and puncture head (3) junction set up the transition, be the tip of transition from the tip (3) material, make by the circular arc head (3).

2. A brain surgery puncture sleeve assembly according to claim 1, characterized in that the puncture head (3) is made of transparent silicone material.

3. The brain surgery puncture sleeve assembly according to claim 2, wherein the end of the puncture head (3) is provided with a suction hole (301), a suction channel (302) is arranged inside the puncture head (3), the suction channel (302) is in a conical shape with a small lower part and a large upper part, and the suction channel (302) is communicated with the suction hole (301).

4. The brain surgery puncturing sleeve assembly according to claim 1, wherein the adjusting bracket (2) comprises a threaded ring (201) and a handle (202), the handle (202) is fixed on two sides of the threaded ring (201), and the straight pipe section (102) of the sleeve (1) is provided with external threads (103) which are matched with the threaded ring (201).

5. The brain surgery puncture sleeve assembly according to claim 1, wherein the sleeve (1) and the puncture tube (4) are both made of transparent materials, and the upper end of the puncture tube (4) is provided with a flanging ring (401).

6. The brain surgery puncture sleeve assembly according to claim 1 or 5, wherein the inner and outer sides of the lower end of the conical pipe section (101) of the sleeve (1) are respectively provided with an inner chamfer (105) and an outer chamfer (104), and the inner chamfer (105) and the outer chamfer (104) are both arc chamfers.

7. A brain surgery puncture sleeve assembly according to claim 6, characterized in that the outer surface of the conical tube section (101) of the sleeve (1) is provided with graduation marks.

8. The brain surgery puncture sleeve assembly according to claim 1, wherein the elastic tube clamp (5) comprises a fixing ring (501), a connecting arm (502) and a clamping ring (503), the fixing ring (501) is fixed on the upper end of the sleeve (1), the clamping ring (503) is connected with the fixing ring (501) through the connecting arm (502), the clamping ring (503) comprises a clamping portion (505) and a pressing portion (506), the pressing portion (506) is located on one side of the clamping portion (505), the other side of the clamping portion (505) is provided with an opening, and a gasket (504) is arranged on the inner side of the clamping portion (505).

9. A brain surgery puncture sleeve assembly according to claim 8, characterized in that the elastic tube clamp (5) is made of elastic sheet metal.