CN217938277U

CN217938277U - Intracranial operation retracting fixing catheter with pressure release structure

Info

Publication number: CN217938277U
Application number: CN202221595355.6U
Authority: CN
Inventors: 姚建增; 张宁; 宁赋强; 任琛
Original assignee: Tianjin Sisheng Technology Co ltd
Current assignee: Tianjin Sisheng Technology Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-12-02
Anticipated expiration: 2032-06-23

Abstract

The utility model belongs to the technical field of medical instrument, especially, for an intracranial operation is with leading out fixed pipe that possesses pressure release structure, including the outer tube, the outer tube upper end is provided with first solid fixed ring, and the trepanning has been seted up to the outer tube bottom, and first solid fixed ring side is provided with the handle, has seted up the draw-in groove on the handle, is provided with the inner tube in the outer tube, and the inner tube upper end is provided with the solid fixed ring of second, and the solid fixed ring side of second is provided with the mounting, and the mounting bottom is provided with the fastener, and the trompil has been seted up to the inner tube bottom, and the outer tube outside is provided with the collar, is provided with the silica gel spare on the collar, is provided with the reinforcement in the outer tube. The utility model discloses a set up collar, silica gel spare, can cushion cell, tissue to the pressure of outer tube, reach the effect of pressure release, through setting up the reinforcement, can promote the intensity of retracting fixed pipe, when retracting fixed pipe and receiving external pressure, non-deformable, break, the normal use of retracting fixed pipe after the guarantee.

Description

Intracranial operation retracting fixing catheter with pressure release structure

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a traction fixing catheter with a pressure release structure for intracranial operation.

Background

In neurosurgery, an endoscope is often used to reduce surgical trauma. When in operation, an endoscope is guided into the cranial cavity by an endoscope guiding device to implement the operation. The use of the endoscope reduces the operation risk caused by large-area craniotomy. In craniotomy operations such as brain tumor, cerebral hematoma and the like, neuroendoscopy treatment can effectively perform operations such as focal position amplification, clear analysis of tumor, hematoma, brain tissue and the like. All levels of hospitals actively develop neuroendoscopy operations. The nerve endoscope light source can help provide clear operation visual field when in operation, but because brain parenchyma inner cavities are filled with brain parenchyma cells and tissues, gaps needed when the nerve endoscope light source is used for observing focuses in the brain cavities are lacked, and a retracting fixed catheter is needed to provide a space needed by an endoscope operation.

The prior art has the following problems:

1. when the retracting fixing catheter in the prior art is used, the retracting fixing catheter can extend into the brain of a patient, brain parenchyma cells and tissues can directly contact with the retracting fixing catheter, the pressure in the cell tissues can directly act on the retracting fixing catheter, and the current retracting fixing catheter does not have a corresponding pressure releasing structure;

2. the retracting fixing catheter in the prior art is generally made of PC plastic, the strength of the retracting fixing catheter is general, and the retracting fixing catheter is easy to deform or even break if external pressure is applied in the process of storing the retracting fixing catheter, so that the retracting fixing catheter cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a intracranial operation that possesses pressure release structure is with leading out fixed pipe has solved the current pressure release structure that does not correspond on leading out fixed pipe that exists now, and general material is PC plastics, and its intensity is general, leads out fixed pipe storage process, if receive external pressure then leads to leading out fixed pipe deformation or even break easily, makes to lead out the problem that fixed pipe can not normal use of leading out.

In order to achieve the above object, the utility model provides a following technical scheme: the traction fixing catheter with the pressure release structure for intracranial surgery comprises an outer tube, wherein a first fixing ring is arranged at the upper end of the outer tube, a trepan is formed in the bottom of the outer tube, a handle is arranged on the side face of the first fixing ring, a clamping groove is formed in the handle, an inner tube is arranged in the outer tube, a second fixing ring is arranged at the upper end of the inner tube, a fixing piece is arranged on the side face of the second fixing ring, a clamping piece is arranged at the bottom of the fixing piece, an opening is formed in the bottom of the inner tube, a mounting ring is arranged on the outer side of the outer tube, a silica gel piece is arranged on the mounting ring, and a reinforcing piece is arranged in the outer tube.

As an optimal technical solution of the utility model: the first fixing ring is connected with the outer pipe to form a whole.

As an optimal technical solution of the utility model: the inner pipe is arranged in the outer pipe, and the lower end of the inner pipe extends out of the sleeve hole.

As an optimal technical solution of the utility model: the second fixing ring is connected with the inner tube to form a whole.

As an optimal technical solution of the utility model: the second fixing ring is matched with the first fixing ring.

As a preferred technical solution of the utility model: the clamping piece and the clamping groove are mutually matched.

As a preferred technical solution of the utility model: the utility model discloses a silica gel spare, including outer tube, collar fixed mounting, silica gel spare, lower extreme fixed connection, the collar fixed mounting is on the outer tube, the upper end fixed connection of silica gel spare is on the collar, the lower extreme fixed connection of silica gel spare is in the position that is close to the trepanning in the outer tube lower extreme outside, the attenuation from upper end to lower extreme is gradually followed to the silica gel spare, interval between silica gel spare and the outer tube diminishes from top to bottom, the silica gel spare surrounds the outer tube outside, outer tube, the inner tube is all embedded into the reinforcement.

Compared with the prior art, the utility model provides an intracranial operation that possesses pressure release structure is with leading out fixed pipe possesses following beneficial effect:

1. according to the retracting fixing catheter with the pressure releasing structure for the intracranial operation, the mounting ring and the silica gel piece are arranged, the upper end of the silica gel piece is fixedly connected to the mounting ring, the lower end of the silica gel piece is fixed at the position, close to the trepanning, of the lower portion of the outer tube, when the retracting fixing catheter extends into the brain of a patient, brain parenchymal cells and tissues are preferentially contacted with the silica gel piece, pressure in cell tissues acts on the silica gel piece, the silica gel piece is close to the outer tube when being subjected to the pressure, and the pressure of the cells and the tissues on the outer tube can be buffered through the resilience of the silica gel piece, so that the pressure releasing effect is achieved;

2. according to the retraction fixing catheter with the pressure release structure for the intracranial operation, the reinforcements are arranged in the outer pipe and the inner pipe, so that the strength of the outer pipe and the strength of the inner pipe can be improved, when the retraction fixing catheter is subjected to external pressure, the retraction fixing catheter is not prone to deformation and breakage, and normal use of the retraction fixing catheter is guaranteed.

Drawings

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

FIG. 2 is a schematic view of the installation ring and the silica gel member of the present invention;

FIG. 3 is a perspective view of the outer tube and the inner tube of the present invention;

fig. 4 is a schematic view of the reinforcement of the present invention.

In the figure: 1. an outer tube; 2. a first retaining ring; 3. trepanning; 4. a handle; 5. a card slot; 6. an inner tube; 7. a second fixing ring; 8. a fixing member; 9. a fastener; 10. opening a hole; 11. a mounting ring; 12. a silicone member; 13. a reinforcement.

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. 1-4, in the present embodiment: the utility model provides a possess intracranial operation of pressure release structure with leading out fixed pipe, including

outer tube

1, 1 upper end of outer tube is provided with first solid fixed ring 2, the mouth of pipe of 1 upper end of outer tube can be made more stable through first solid fixed ring 2, trepanning 3 has been seted up to 1 bottom of outer tube, can be convenient for install inner tube 6 through trepanning 3, 2 sides of first solid fixed ring are provided with handle 4, can conveniently hand outer tube 1 through handle 4, draw-in groove 5 has been seted up on handle 4, be provided with inner tube 6 in the

outer tube

1, 6 upper ends of inner tube are provided with solid fixed ring 7 of second, the mouth of pipe of 6 upper ends of inner tube can be made more stable through solid fixed ring 7 of second, solid fixed ring 7 sides of second is provided with mounting 8, 8 bottoms of mounting are provided with fastener 9, trompil 10 has been seted up to 6 bottoms of inner tube, 1 outside of outer tube is provided with collar 11, be provided with silica gel spare 12 on the collar 11, be provided with reinforcement 13 in the outer tube 1.

In the embodiment, the first fixing ring 2 and the outer tube 1 are connected to form a whole; the inner tube 6 is arranged in the outer tube 1, and the lower end of the inner tube 6 extends out of the sleeve hole 3; the second fixing ring 7 is connected with the inner tube 6 to form a whole; the second fixing ring 7 is matched with the first fixing ring 2; the clamping piece 9 and the clamping groove 5 are mutually matched, and the inner tube 6 can be more stable when placed in the outer tube 1 through the clamping piece 9 and the clamping groove 5; mounting ring 11 fixed mounting is on outer tube 1, the upper end fixed connection of silica gel spare 12 is on mounting ring 11, the lower extreme fixed connection of silica gel spare 12 is close to the position of trepanning 3 in the outer tube 1 lower extreme outside, silica gel spare 12 thins gradually from the upper end to the lower extreme, interval between silica gel spare 12 and the outer tube 1 from top to bottom diminishes, silica gel spare 12 surrounds the outer tube 1 outside, outer tube 1, all embedded in the inner tube 6 has reinforcement 13, can be convenient for the installation of silica gel spare 12 through mounting ring 11, when using the fixed catheter of pulling out through silica gel spare 12, can be with the cell, the tissue cushions the pressure of outer tube 1, reach the effect of pressure release, can promote outer tube 1 through reinforcement 13, the intensity of inner tube 6.

The utility model discloses a theory of operation and use flow: the operator firstly stretches into the patient brain with outer tube 1, draw back brain parenchymal cell and tissue, thereby provide required space for the endoscopic surgery, brain parenchymal cell and tissue will be preferred when outer tube 1 stretches into patient brain on contact with silica gel 12, pressure in the cell tissue will be used in on silica gel 12, silica gel 12 receives pressure will be close to outer tube 1, the resilience through silica gel 12 can cushion the cell, the tissue is to the pressure of outer tube 1, reach the effect of releasing pressure, outer tube 1 and the inside reinforcement 13 that all embeds of inner tube 6, can promote the intensity of outer tube 1, inner tube 6, when the pipe receives external pressure, non-deformable, break, guarantee the normal use of fixed pipe afterwards.

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. The retracting and fixing catheter with the pressure release structure for the intracranial surgery is characterized by comprising an outer tube (1), wherein a first fixing ring (2) is arranged at the upper end of the outer tube (1), a trepanning hole (3) is formed in the bottom of the outer tube (1), a handle (4) is arranged on the side face of the first fixing ring (2), a clamping groove (5) is formed in the handle (4), an inner tube (6) is arranged in the outer tube (1), a second fixing ring (7) is arranged at the upper end of the inner tube (6), a fixing piece (8) is arranged on the side face of the second fixing ring (7), a clamping piece (9) is arranged at the bottom of the fixing piece (8), an opening hole (10) is formed in the bottom of the inner tube (6), a mounting ring (11) is arranged on the outer side of the outer tube (1), a silica gel piece (12) is arranged on the mounting ring (11), and a reinforcing piece (13) is arranged in the outer tube (1).

2. The intracranial surgical retracting fixation catheter with a pressure relief structure as recited in claim 1, wherein: the first fixing ring (2) is connected with the outer pipe (1) to form a whole.

3. The intracranial surgical retracting fixation catheter with a pressure relief structure as recited in claim 1, wherein: the inner pipe (6) is arranged in the outer pipe (1), and the lower end of the inner pipe (6) extends out of the sleeve hole (3).

4. The intracranial surgical retracting fixation catheter with a pressure relief structure as recited in claim 1, wherein: the second fixing ring (7) is connected with the inner pipe (6) to form a whole.

5. The intracranial surgical retracting fixation catheter with a pressure relief structure as recited in claim 1, wherein: the second fixing ring (7) is matched with the first fixing ring (2) mutually.

6. The intracranial surgical retracting fixation catheter with a pressure relief structure as recited in claim 1, wherein: the clamping piece (9) is matched with the clamping groove (5).

7. The intracranial surgical retracting fixation catheter with pressure relief structure as recited in claim 1, wherein: mounting ring (11) fixed mounting is on outer tube (1), the upper end fixed connection of silica gel spare (12) is on mounting ring (11), the lower extreme fixed connection of silica gel spare (12) is in the position that is close to trepanning (3) in outer tube (1) lower extreme outside, silica gel spare (12) from the upper end to the lower extreme thinization gradually, interval between silica gel spare (12) and outer tube (1) from top to bottom diminishes between, silica gel spare (12) surround the outer tube (1) outside, all embedded into reinforcement (13) in outer tube (1), inner tube (6).