CN210249997U

CN210249997U - Cyst puncture trocar

Info

Publication number: CN210249997U
Application number: CN201920179438.9U
Authority: CN
Inventors: 赵文鹏
Original assignee: Beijing Ditan Hospital
Current assignee: Beijing Ditan Hospital
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-04-07
Anticipated expiration: 2029-01-31

Abstract

The utility model discloses a cyst puncture trocar, trocar are used for the puncture drawing liquid of all kinds of cysts, like liver cyst, kidney cyst, thyroid cyst and ovarian cyst etc. will have the medicine that sclerosis solidifies the treatment effect after the drawing liquid finishes and pour into the cyst intracavity through the sleeve pipe, have the active cell of secretion function on the inactivation cyst wall to reach the purpose of this type of disease of wicresoft treatment. The trocar comprises a trocar core, one end of the trocar core is provided with a needle point, and the trocar core is not provided with a through hole penetrating through the two ends of the trocar core. Still establish the outside sleeve pipe of nook closing member including the cover, the sleeve pipe is made by soft plastic materials, is equipped with the side opening on keeping away from one side outer wall of needle point on the sleeve pipe, be equipped with potential lacuna in the casing wall, the sleeve pipe is being close to the one end of needle point is equipped with potential sacculus, the side opening with potential sacculus passes through potential lacuna is linked together, through the side opening warp potential lacuna can carry a small amount of liquid or gas potential sacculus is interior, makes potential sacculus is abundant.

Description

Cyst puncture trocar

Technical Field

The utility model belongs to the field of wicresoft's medical instrument, concretely relates to cyst puncture trocar.

Background

At present, various benign diseases such as liver cyst, kidney cyst, thyroid cyst, ovarian cyst and the like are increasingly applied in minimally invasive quality, and good clinical curative effect can be achieved by puncturing and drawing liquid and injecting medicines with the treatment effect of sclerosis and coagulation. Most of the existing cyst puncture instruments are made of rigid materials, and the outer wall of the tube is smooth and has no anti-falling device. After the cyst is successfully punctured, the cyst cavity is gradually shrunk and the cyst wall is shrunk in the process of extracting cyst fluid, when the cyst fluid is completely extracted, the cyst cavity disappears, and along with the respiratory motion or the posture change of a patient, the puncturing needle point is easy to retreat and drop out from the cyst cavity or deeply punctures the opposite cyst wall and drops out. Therefore, when the subsequent sclerocoagulation treatment is carried out, the medicine is easily injected outside the capsule cavity, so that normal tissues or organs outside the capsule cavity are damaged, serious complications are generated, and the treatment effect cannot be achieved. Meanwhile, a plurality of partitions are arranged in a plurality of clinical cysts, and the partitions cannot be damaged well by the sharp needle tip of the conventional puncture device, so that the cyst fluid is difficult to aspirate or incomplete to aspirate, and the treatment effect is influenced.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cyst puncture trocar has solved the easy problem of deviating from in the cyst chamber of cyst pjncture needle to and solved the cyst drawing liquid in-process, how to destroy the problem of separating in the cyst in order to gain better treatment.

In order to realize the above-mentioned purpose, the utility model provides a pair of cyst puncture trocar, including the nook closing member, the one end of nook closing member is equipped with the needle point, be used for supplementary with the cyst intracavity is implanted to the trocar, still establish including the cover the outside sleeve pipe of nook closing member, the sleeve pipe is made by soft plastic materials, keep away from on the sleeve pipe be equipped with the side opening on one side outer wall of needle point, be equipped with potential lacuna in the casing wall, the sleeve pipe is being close to the one end of needle point is equipped with potential sacculus, the side opening with potential sacculus passes through potential lacuna is linked together, through the side opening warp potential lacuna carries liquid or gas in the potential sacculus, make.

Preferably, the stylet is made of a hard metal material.

Preferably, the diameter of the stylet is 1.0-1.2 mm.

Preferably, the sleeve is made of soft plastic.

Preferably, the thickness of the sleeve is 0.1-0.2 mm.

Preferably, the potential balloon after filling is an annular balloon around the end of the sleeve.

Preferably, the potential balloons after filling are two independent elliptical balloons on both sides of the sleeve.

Furthermore, the sleeve is connected with an outlet of a bypass pipe at the side hole, the bypass pipe is provided with a bypass switch for controlling the circulation speed of liquid or gas in the bypass pipe, and the inlet end of the bypass pipe is provided with a connection part of an injector for connecting the injector.

Preferably, the substance delivered into the potential balloon and the potential cavity is sterile saline or air.

The utility model provides a pair of cyst puncture trocar has following beneficial effect:

1. the sleeve nested outside the hard metal needle core is made of soft plastic materials, so that the cyst is implanted smoothly, and the damage to tissues and organs such as puncture path blood vessels, nerves and the like can be reduced;

2. when the potential saccule is in an inflated state, the potential saccule can be clamped in the saccule cavity, the sleeve can be ensured not to be separated from the saccule cavity after the saccule liquid in the saccule cavity is completely sucked, and meanwhile, the saccule at the head end of the sleeve is more favorable for completely sucking the saccule liquid in the saccule cavity;

3. when the potential saccule is in the filling state, the contact area of the head end of the sleeve is increased by the saccule, and the head end of the sleeve can be effectively prevented from being separated from the cyst wall;

4. the contact area is obviously increased when the sacculus is full, the sacculus can be driven to move in the sacculus cavity through the sleeve under the guidance of the image, the separation in the sacculus cavity is effectively destroyed, and the liquid in the sacculus cavity is ensured to be pumped more thoroughly.

Drawings

Fig. 1 is a schematic structural view of a cyst piercing trocar according to an embodiment.

Fig. 2 is a schematic structural view of a bushing in an embodiment.

In the figure:

1. the needle core 2, the sleeve 3, the needle tip 4, the potential cavity 5, the potential balloon 6, the side hole 7, the bypass pipe 8, the bypass switch 9 and the connection part of the injector.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the present invention will be further described in detail with reference to the following embodiments.

A cyst puncture trocar comprises a trocar core 1 and a sleeve 2 sleeved outside the trocar core 1, wherein the trocar core 1 is provided with a needle point 3, the trocar core 1 is not provided with through holes penetrating through two ends of the trocar core 1, the trocar core 1 is made of hard metal materials, so that the trocar core 1 can easily enter cysts, and the diameter of the trocar core 1 can be designed to be 1.0-1.2 mm. The sleeve 2 is made of soft plastic materials, so that the damage to tissue organs such as puncture path blood vessels, nerves and the like can be reduced when a cyst is inserted, the thickness of the sleeve 2 can be designed to be 0.1-0.2 mm, the sleeve 2 is provided with a potential cavity 4, one end of the sleeve 2 close to the needle point 3 is provided with a potential balloon 5, the filled potential balloon 5 can be designed to be an annular balloon surrounding the sleeve 2 for a circle, the filled potential balloon 5 can also be designed to be two independent elliptical balloons positioned at two sides of the sleeve 2, and the potential balloon 5 is communicated with the potential cavity 4; the side wall of one side, far away from the needle point 3, of the sleeve 2 is provided with a side hole 6, the sleeve 2 is connected with a bypass pipe 7 through the side hole 6, the bypass pipe 7 is provided with a bypass switch 8 used for controlling the flowing speed of liquid or gas in the bypass pipe 7, the bypass pipe 7 is connected with an injector joint 9 and further connected with an injector, and the injector is used for introducing physiological saline or gas into the potential lacuna 4 of the sleeve 2 through the side hole 6 of the sleeve 2, so that the potential saccule 5 communicated with the potential lacuna 4 is filled with the physiological saline or gas.

When using cyst puncture trocar, when implanting cyst puncture trocar into the cyst chamber, the potential lacuna 4 and the potential sacculus 5 of sleeve pipe 2 are in the state of not filling, after needle point 3 passed the cyst wall, the one end of sleeve pipe 2 that is equipped with potential sacculus 5 also got into the cyst, the syringe passes through bypass pipe 7 and carries normal saline or gas in to the side opening 6 of sleeve pipe 2, normal saline or gas get into potential sacculus 5 through potential lacuna 4, make and be in filling state, the cyst dwindles gradually after the liquid was taken out in the cyst, at the in-process that the cyst dwindles, full potential sacculus 5 card makes the trocar can not follow the cyst and drops in the cyst inside the cyst, and simultaneously, full potential sacculus 5 also has more to be favorable to completely sucking cyst liquid in the cyst chamber. And when the potential sacculus 5 is in the full state, the contact area of the head end of the sleeve is increased, and the head end can be effectively prevented from puncturing the sac wall and being separated. When having the partition structure in the cyst, obvious increase area of contact when sacculus 5 is full, can drive sacculus 5 through the motion of sleeve pipe 2 under the image guide and move at the cyst intracavity, effectively destroy the separation of cyst intracavity, guarantee that the intracavity liquid suction of cyst is more thorough. The contact area of the common needle tip 3 is small, so that the separation structure can only be inserted into a hole in the cyst, the separation structure is not easy to be completely damaged, and the liquid in the cyst can be completely pumped out after the separation structure is completely damaged.

The inventive concept is explained in detail herein using specific examples, and the above description of the embodiments is only used to help understand the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a cyst puncture trocar, includes the nook closing member, the one end of nook closing member is equipped with the needle point, be used for supplementary with the cyst intracavity is implanted to the trocar, its characterized in that still establishes including the cover the outside sleeve pipe of nook closing member, the sleeve pipe is made by soft plastic materials, keep away from on the sleeve pipe be equipped with the side opening on one side outer wall of needle point, be equipped with latent lacuna in the casing wall, the sleeve pipe is being close to the one end of needle point is equipped with latent sacculus, the side opening with latent sacculus passes through latent lacuna is linked together, through the side opening warp latent lacuna carries liquid or gas in the latent sacculus, make latent sacculus.

2. The cyst penetrating trocar of claim 1, wherein the stylet is made of a hard metal material.

3. The cyst penetrating trocar of claim 1, wherein the diameter of the stylet is 1.0-1.2 millimeters.

4. The cyst penetrating trocar of claim 1, wherein the cannula is of a soft plastic material.

5. The cyst penetrating trocar of claim 1, wherein the cannula has a thickness of 0.1-0.2 millimeters.

6. The cyst penetrating trocar of claim 1, wherein the potential balloon when inflated is a semi-annular balloon around the cannula end.

7. The cyst penetrating trocar of claim 1, wherein the potential balloons after filling are two separate oval balloons on either side of the cannula.

8. The cyst puncture trocar according to claim 1, wherein the cannula is connected with an outlet of a bypass tube at the side hole, the bypass tube is provided with a bypass switch for controlling the liquid or gas flow rate in the bypass tube, and the inlet end of the bypass tube is provided with a syringe connection for connecting with a syringe.

9. The cyst penetrating trocar of claim 1, wherein the substance transferred into the potential balloon and the potential cavity is sterile saline or gas.