CN218165302U - Brain tissue protection device for deep craniocerebral operation - Google Patents

Abstract

The utility model relates to a deep craniocerebral operation is with brain tissue protection device, its technical scheme main points are: the method comprises the following steps: an isolation tube for protective isolation of brain tissue; an isolation channel for medical instruments to pass through is arranged in the isolation tube body; an inner device core capable of sealing the isolation channel is arranged on the isolation pipe body in a sliding mode; the outer wall of the isolation pipe body is detachably provided with a positioning mechanism which can fix the isolation pipe body on an external mechanism; the device has the advantages that the device is convenient to position in the operation and can be accurately adjusted.

Description

Brain tissue protection device for deep craniocerebral operation

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say that it relates to a deep craniocerebral operation is with brain tissue protection device.

Background

The brain tissue protection device is a device for protectively isolating brain tissue in the process of removing deep hematoma in brain tumor operation or other neurosurgery when the principle of a laparoscopic puncture outfit is applied to craniocerebral operation; the prior art uses a protective device self-made with a syringe.

However, although the existing syringe profile protector has proven to be practical for use by clinicians, it still has certain problems in terms of fixation and adjustment, and thus, needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a deep craniocerebral operation is with brain tissue protection device has the device and is convenient for the intraoperative location and the advantage that can accurately adjust.

The above technical purpose of the present invention can be achieved by the following technical solutions: a brain tissue protection device for deep craniocerebral surgery, comprising: an isolation tube for protectively isolating brain tissue; an isolation channel for medical instruments to pass through is arranged in the isolation tube body; an inner device core capable of sealing the isolation channel is arranged on the isolation pipe body in a sliding mode; the outer wall of the isolation pipe body is detachably provided with a positioning mechanism which can fix the isolation pipe body on an external mechanism.

Optionally, the positioning mechanism includes: the positioning ring and a plurality of drag hook assemblies can fix the positioning ring on an external mechanism; the positioning ring is detachably arranged on the outer wall of the isolation pipe body; and the plurality of the drag hook assemblies are rotatably arranged on the positioning ring.

Optionally, the retractor assembly comprises: the rotary pipe and the drag hook can fix the rotary pipe on an external mechanism; the rotating pipe is rotatably arranged on the positioning ring; the draw hook is arranged on the rotating pipe in a sliding mode.

Optionally, a positioning screw for limiting the working position of the draw hook is arranged on the rotating pipe.

Optionally, the draw hook is an elastic rubber draw hook.

Optionally, the rotating tube is a metal tube.

Optionally, the cross-sectional shape of the device inner core is circular; the isolation channel is a cylindrical channel which is correspondingly matched with the cross section shape of the device inner core.

Optionally, a circular shield portion adapted to completely close the isolation channel is provided at an end of the device inner core, wherein the circular shield portion corresponds to the cross-sectional shape of the isolation channel.

Optionally, a protrusion portion convenient for being gripped by hands is arranged at the end of the isolation pipe body.

Optionally, be provided with the scale coating that is used for showing the internal volume in keeping apart the body in the outer wall of keeping apart the body.

To sum up, the utility model discloses following beneficial effect has:

1. the isolation tube body is internally provided with an isolation channel, the device inner core can be sealed to isolate the channel before operation, the isolation tube body is arranged on the brain tissue and the device inner core is taken out in the operation process, medical instruments can pass through the isolation channel and perform operation on the brain tissue, the taken out tumor tissue can be taken out through the isolation channel, the brain tissue is prevented from being planted on other brain tissues, and meanwhile, the brain tissue at the channel can be prevented from being damaged by the instruments entering and exiting.

2. The device has simple composition structure, lower manufacturing cost, convenient operation and convenient popularization and use; be provided with positioning mechanism on the outer wall of keeping apart the body, can carry out nimble adjustable location to keeping apart the body through positioning mechanism to it is more smooth to make the operation process.

Drawings

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

FIG. 2 is a schematic view of the structure of the isolation tube and the positioning mechanism of the present invention;

fig. 3 is a schematic structural diagram of the inner core of the device of the present invention;

fig. 4 is a schematic cross-sectional view of the middle pull hook assembly of the present invention.

In the figure: 1. isolating the pipe body; 2. an apparatus inner core; 3. a positioning mechanism; 31. positioning rings; 32. a hook assembly; 321. rotating the tube; 322. pulling a hook; 4. a set screw; 5. a circular shield portion; 6. a protrusion portion; 7. and (4) coating the scale.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1, the utility model provides a brain tissue protection device for deep craniocerebral operation, which comprises: an isolation tube body 1 for protectively isolating brain tissue; an isolation channel for medical instruments to pass through is arranged in the isolation tube body 1; an inner core 2 capable of sealing the isolation channel is arranged on the isolation pipe body 1 in a sliding manner; the outer wall of the isolation pipe body 1 is detachably provided with a connecting pipe which can connect the isolation pipe body with the connecting pipe the isolation pipe body 1 is fixed on a positioning mechanism 3 on an external mechanism.

In the embodiment, the brain tissue protection device consists of an isolation tube body 1, a device inner core 2 and a positioning mechanism 3, wherein the appearance design of the isolation tube body 1 and the device inner core 2 refers to a prototype and is a medical injector; an isolation channel for medical instruments to pass through is arranged in the isolation tube body 1, and before an operation, the device inner core 2 is arranged in the isolation channel to seal the isolation channel, so that foreign matters are prevented from entering the isolation channel to cause pollution; in the operation process, the isolation tube body 1 is placed on the brain tissue and the inner core 2 of the device is taken out, the medical instrument can pass through the isolation channel and perform the operation on the brain tissue, the taken out tumor tissue can be taken out through the isolation channel, the tumor tissue is prevented from being planted on other brain tissues, and meanwhile, the brain tissue at the channel can be prevented from being damaged by the instrument entering and exiting;

in addition, the positioning mechanism 3 is arranged on the outer wall of the isolation tube body 1, and the isolation tube body 1 can be flexibly and adjustably positioned through the positioning mechanism 3 (in the prior art, the isolation tube body 1 is manually fixed through an assistant or an instrument nurse, so that instability factors are easy to exist), so that the operation process is more stable and smooth; the device is simple in composition structure, low in manufacturing cost, convenient to operate and convenient to popularize and use.

Further, the positioning mechanism 3 includes: the positioning ring 31 and a plurality of drag hook assemblies 32 which can fix the positioning ring 31 on an external mechanism; the positioning ring 31 is detachably arranged on the outer wall of the isolation pipe body 1; a plurality of the drag hook assemblies 32 are rotatably arranged on the positioning ring 31.

In this embodiment, the positioning ring 31 is sleeved on the outer wall of the isolation tube body 1, and the inner side of the positioning ring 31 is provided with a rubber anti-slip coating, which can prevent the positioning ring 31 and the outer wall of the isolation tube body 1 from sliding relatively after installation;

the drag hook assembly 32 adopts 4, and 4 drag hook assemblies 32 set up along the outside circumference of position circle 31, and the distance of being separated by between every drag hook assembly 32 equals, and every drag hook assembly 32 all can catch on external mechanism to make through position circle 31 keep apart body 1 and fixed on specific position, reach the fixed effect of device, and drag hook assembly 32's rotation set up the mode and can make it more nimble in accommodation process.

Further, the retractor assembly 32 includes: a rotating pipe 321 and a draw hook 322 which can fix the rotating pipe 321 on an external mechanism; the rotating pipe 321 is rotatably arranged on the positioning ring 31; the draw hook 322 is slidably disposed on the rotating tube 321.

In this embodiment, the hook assembly 32 is composed of a rotating tube 321 and a hook 322, the hook 322 is slidably disposed on the rotating tube 321, so that the working length of the hook assembly 32 can be adjusted, and the rotating tube 321 is rotatably disposed on the positioning ring 31, so that the working angle of the hook assembly 32 can be adjusted; the drag hook assembly 32 can be adjusted more flexibly by the two adjustment methods.

Further, a set screw 4 for limiting the operating position of the hook 322 is provided on the rotating tube 321.

In this embodiment, the rotating tube 321 is provided with a set screw 4, the set screw 4 is rotatably disposed on the outer wall of the rotating tube 321, and the screw rod thereof can abut against the draw hook 322 after passing through the outer wall of the rotating tube 321; after the drag hook 322 finishes sliding adjustment on the rotating tube 321, the user can manually adjust the positioning screw 4 and make it tightly abut against the drag hook 322, and after locking, the drag hook 322 can not continue to slide on the rotating tube 321, thereby achieving the effect of limiting the working position of the drag hook 322.

Further, the draw hook 322 is an elastic rubber draw hook.

In this embodiment, the draw hook 322 is an elastic rubber draw hook, and the surface friction of the elastic rubber draw hook is larger, so that the draw hook 322 is not easy to slide when hung on an external mechanism, thereby improving the safety performance of the device during use.

Further, the rotating pipe 321 is a metal pipe.

In this embodiment, the rotating tube 321 is a metal tube, which has higher structural strength, thereby prolonging the service life of the retractor assembly 32.

Further, the cross-sectional shape of the device core 2 is circular; the isolation channel is a cylindrical channel which is correspondingly matched with the cross section shape of the device inner core 2.

In this embodiment, the cross-sectional shape of the device core 2 is circular, the isolation channel in the isolation tube 1 is a cylindrical channel, and the cylindrical channel is adapted to the device core 2 with a circular cross-section, so that the device core 2 can slide smoothly in the cylindrical channel.

Further, a circular shield part 5 which is correspondingly adapted to the sectional shape of the isolation channel to completely close the isolation channel is provided at the end of the device core 2.

In this embodiment, the front end of the device core 2 is provided with a circular shield portion 5, and the circular shield portion 5 is completely attached to the inner wall of the cylindrical channel, so that the front end of the device core 2 can completely seal the isolation channel, thereby preventing foreign matters from entering the isolation channel before operation and causing pollution.

Further, a protrusion 6 for facilitating hand grasping is provided at an end of the insulating tube body 1.

In this embodiment, the upper end of the isolation tube 1 is provided with a protrusion 6, the protrusion 6 has two left and right lobes, and the protrusion 6 facilitates the grip of the surgeon on the hand of the device during the operation, thereby preventing the device from falling off.

Further, a scale coating 7 for displaying the use condition of the internal capacity of the isolation pipe body 1 is arranged on the outer wall of the isolation pipe body 1.

In this embodiment, be provided with scale coating 7 on keeping apart the outer wall of body 1, scale coating 7 is the standard scale, can show the capacity in service behavior of keeping apart body 1 in the use for location in the art to be convenient for the doctor judges the device degree of depth and in time adjusts at the operation in-process, be convenient for in the hematoma of the different degree of depth or the use in the tumour operation.

The utility model discloses a deep craniocerebral operation is with brain tissue protection device has the device and is convenient for the intraoperative location and the advantage that can accurately adjust.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A brain tissue protection device for deep craniocerebral surgery, comprising: an isolation tube for protectively isolating brain tissue; an isolation channel for medical instruments to pass through is arranged in the isolation tube body; an inner device core capable of sealing the isolation channel is arranged on the isolation pipe body in a sliding mode; the outer wall of the isolation pipe body is detachably provided with a positioning mechanism which can fix the isolation pipe body on an external mechanism.

2. The deep brain tissue protection device for surgical use according to claim 1, wherein the positioning mechanism comprises: the positioning ring and a plurality of drag hook assemblies can fix the positioning ring on an external mechanism; the positioning ring is detachably arranged on the outer wall of the isolation pipe body; and the plurality of the drag hook assemblies are rotatably arranged on the positioning ring.

3. The brain tissue protection device for deep craniocerebral surgery of claim 2, wherein the retractor assembly comprises: the rotary pipe and the drag hook can fix the rotary pipe on an external mechanism; the rotating pipe is rotatably arranged on the positioning ring; the draw hook is arranged on the rotating pipe in a sliding mode.

4. The brain tissue protection device for deep craniocerebral operation, which is characterized in that a positioning screw for limiting the working position of the draw hook is arranged on the rotating tube.

5. The brain tissue protection device for deep craniocerebral operation according to claim 4, wherein the draw hook is an elastic rubber draw hook.

6. The deep brain tissue protection device for surgery according to claim 4, wherein the rotating tube is a metal tube.

7. The deep brain tissue protection device for surgery according to claim 1, wherein the cross-sectional shape of the device core is circular; the isolation channel is a cylindrical channel which is correspondingly matched with the cross section shape of the device inner core.

8. The deep brain tissue protection device for surgical use according to claim 7, wherein a circular shield portion correspondingly adapted to the sectional shape of the isolation channel to completely close the isolation channel is provided at an end of the device inner core.

9. The deep brain tissue protection device according to claim 8, wherein a protrusion for facilitating grasping by a hand is provided at an end of the isolation tube.

10. The deep brain tissue protection device of claim 9, wherein a graduated coating for displaying the amount of use inside the isolation tube is provided on the outer wall of the isolation tube.

Images