CN2607958Y

CN2607958Y - Locating puncture trocar for thoracoscope operation

Info

Publication number: CN2607958Y
Application number: CN 03204435
Authority: CN
Inventors: 寿延宁; 刘德若
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-02-21
Filing date: 2003-02-21
Publication date: 2004-03-31
Anticipated expiration: 2013-02-21

Abstract

The utility model relates to a positioning puncture sleeve needle for a thoracoscope operation. The positioning puncture sleeve needle is a positioning puncture sleeve needle which can accurately judge the position of the focus of infection for a TV thoracoscope operation. A needle core is arranged inside a puncture sleeve, the needle core has a through hole, a medical nylon rope with a metal hook runs through the though hole, a mutual assorted positioning structure is arranged between the sleeve and the needle core. when in use, guided by the X ray or CT, the metal hook is arranged inside the lung tissue focus of infection by skin puncturing, the nylon rope is fetched out of the body. When carrying out the TV thoracoscope operation, the doctor can judge the position of the focus of infection by observing the nylon rope on the surface of the lung.

Description

The thoracoscopic operation localised puncture trocar

Technical field

This utility model relates to a kind of medical apparatus and instruments of medical domain, particularly relate to the thoracoscopic operation localised puncture trocar, specifically a kind of when video assisted thoracic operation, can be very easy to and the thoracoscopic operation of the clear and definite lesion locations localised puncture trocar accurately.

Background technology

In recent years, along with development of technology, the surgery Minimally Invasive Surgery more and more has been subjected to attention.The thoracic surgery of domestic many hospitals has also been carried out video assisted thoracic operation in succession.Compare with routine operation, the video assisted thoracic operation wound is little, recovery is fast, incidence rate post-operative complication is low, wound is attractive in appearance, and it is particularly useful for old, weak, the patient that pulmonary function is relatively poor.Owing to have above advantage, be subjected to Cardiac surgeon and patient's favorable comment.But, owing to during video assisted thoracic operation, can only observe intrathoracic situation, touch pathological changes with hands, the perception focus the conventional open chest surgery and can not resemble by telescreen.There are the problems such as not accurate enough of locating in the existing localised puncture trocar, and therefore, the lung inner disease foci that does not have to change for those pleuras often is difficult to the location.Sometimes have to solve this problem by the conventional open chest surgery of changing one's profession.

This shows that the above-mentioned existing localised puncture trocar has the not accurate enough defective in location, and demands urgently further being improved.

In order to solve the problem that the above-mentioned existing localised puncture trocar exists, the stakeholder there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.

Because the defective that the above-mentioned existing localised puncture trocar exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and Professional knowledge, actively studied innovation, in the hope of the thoracoscopic operation of the founding a kind of new structure localised puncture trocar, can improve general existing on the market conventional localised puncture trocar design, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create this utility model that has practical value finally.

Summary of the invention

Main purpose of the present utility model is, overcome the defective that the existing localised puncture trocar exists, and the thoracoscopic operation that a kind of new structure the is provided localised puncture trocar, technical problem underlying to be solved is to make it when carrying out video assisted thoracic operation, can locate the position of focus exactly, increase the success rate of video assisted thoracic operation.

The purpose of this utility model and solve its technical problem underlying and realize by the following technical solutions: a micro metal hook that has medical nylon wire is put into a tip that has the paracentesis trocar of nook closing member, by the method for rotation, promotion nook closing member, metal hook can be released the puncture needle sleeve pipe.Before carrying out video assisted thoracic operation, under X line or CT guiding, metal hook is inserted intralesional by paracentesis trocar, outside the nylon wire lead body, reach the purpose of location focus during operation by the position of observing nylon wire.According to the thoracoscopic operation localised puncture trocar that the utility model proposes, it is included in the puncture needle sleeve pipe nook closing member is housed, in the wherein above-mentioned nook closing member is through hole, the medical nylon wire of band metal hook passes from this through hole, one end of above-mentioned nook closing member is provided with positioning convex, and the locating slot of this positioning convex and above-mentioned puncture needle sleeve pipe one end cooperatively interacts.

The purpose of this utility model and solve its technical problem and can also adopt following technical measures further to realize.

The aforesaid thoracoscopic operation localised puncture trocar, when wherein said positioning convex and locating slot cooperatively interacted, the length of nook closing member was identical with puncture needle sleeve pipe needle length, and promptly the needle point of nook closing member aligns with the needle point of puncture needle sleeve pipe.

The aforesaid thoracoscopic operation localised puncture trocar, wherein said medical nylon wire are imbedded in the metal hook and with it and are firmly connected, and described metal hook has elasticity, and it is shaped as triangle or has agnail on a bit of metal.

This utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, this utility model thoracoscopic operation is used the localised puncture trocar owing to adopt such scheme, when video assisted thoracic operation, can be very easy to and the position of clear and definite pathological changes accurately, avoided because of can not find focus have to the to change one's profession problem of conventional open chest surgery.

In sum, the thoracoscopic operation of this utility model special construction localised puncture trocar, have above-mentioned advantage and practical value, and in like product, do not see have similar structural design to publish or use, no matter and its structurally or improvement is all arranged on the function, have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of description, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.

The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Description of drawings

Fig. 1 is the sketch map of this utility model thoracoscopic operation when not advancing with the localised puncture trocar.

Sketch map when Fig. 2 is the propelling of this utility model thoracoscopic operation usefulness localised puncture trocar.

Fig. 3 is the sketch map of this utility model metal hook and medical nylon wire.

Fig. 4 is the metal hook of another embodiment of this utility model and the sketch map of medical nylon wire.

Fig. 5 is the sketch map of this utility model puncture needle sleeve pipe and nook closing member location structure.

1...... the medical nylon wire of metal hook 2......

3...... puncture needle sleeve pipe 4...... nook closing member

5...... locating slot 6...... positioning convex

7...... agnail

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, to according to the thoracoscopic operation that the utility model proposes with its specific embodiment of the localised puncture trocar, structure, feature and effect thereof, describe in detail as after.

See also Fig. 1, shown in Figure 2, Fig. 1, the 2nd, this utility model thoracoscopic operation assembling sketch map of the localised puncture trocar.This utility model thoracoscopic operation localised puncture trocar, it mainly comprises puncture needle sleeve pipe 3 and nook closing member 4, wherein, in the above-mentioned nook closing member 4 is through hole, the medical nylon wire 2 of band metal hook 1 passes from this through hole, one end of above-mentioned nook closing member 4 is provided with positioning convex 6, and this positioning convex 6 cooperatively interacts with the locating slot 5 of above-mentioned puncture needle sleeve pipe 3 one ends.Positioning convex 6 is positioned at the edge of nook closing member step projection, enters locating slot 5 after the rotation metal hook is released.

In Fig. 1 and Fig. 2, metal an ancient unit of weight 1 is assemblied in the tip of puncture needle sleeve pipe 3, and the tail end of puncture needle sleeve pipe 3 has a locating slot 5, can make that positioning convex 6 cooperates with it on the nook closing member 4.There is a manhole in the central authorities of nook closing member 4, are beneficial to nylon wire 2 and pass through.Before the video assisted thoracic operation, under X line or CT supervision, the puncture casing that assembles is needled into intralesional, rotation, promote nook closing member 4 metal hook 1 and nylon wire 2 released the puncture needle sleeve pipes after, extract puncture needle sleeve pipe 3 and nook closing member 4, metal hook 1 is stayed intralesional, and the medical nylon wire 2 that is attached thereto leads to external.

In Fig. 3 and Fig. 4, medical nylon wire 2 one ends are imbedded the tail end with metal hook 1, firmly connect, and the metal that metal hook 1 is nontoxic by rubber-like, do not react with human body is made.Metal hook l is shaped as triangle shown in Figure 3, and this metal hook has elasticity, is shaped as when putting into sleeve pipe , should be after the release＜.The shape of metal hook 1 or as shown in Figure 4, a bit of metal that metal hook 1 is nontoxic by rubber-like, do not react with human body is made, and has two rubber-like agnails 7 on it.

As shown in Figure 5, the locating slot 5 of puncture needle sleeve pipe 3 one ends cooperatively interacts with the positioning convex 6 on nook closing member 4 one ends, reaches localized purpose.At locating slot 5 and positioning convex 6 state that cooperatively interacts, just nook closing member is in advanced state, this moment nook closing member 4 length just the length with puncture needle sleeve pipe 3 puncture needles is identical, promptly the needle point of nook closing member 4 aligns with the needle point of puncture needle sleeve pipe 3.

This utility model thoracoscopic operation that above-mentioned structure like this constitutes all has many saving graces with the technological innovation of the localised puncture trocar for technical staff of the same trade now, and the progressive that possesses skills really.

The above, it only is preferred embodiment of the present utility model, be not that this utility model is done any pro forma restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.

Claims

1, a kind of thoracoscopic operation localised puncture trocar, it is included in nook closing member (4) is housed in the puncture needle sleeve pipe (3), it is characterized in that: be through hole in the above-mentioned nook closing member (4), the medical nylon wire (2) of band metal hook (1) passes from this through hole, one end of above-mentioned nook closing member (4) is provided with positioning convex (6), and this positioning convex (6) cooperatively interacts with the locating slot (5) of above-mentioned puncture needle sleeve pipe (3) one ends.

2, the thoracoscopic operation according to claim 1 localised puncture trocar, it is characterized in that wherein said positioning convex (6) and locating slot (5) are when cooperatively interacting, the length of nook closing member (4) is identical with puncture needle sleeve pipe (3) needle length, and promptly the needle point of nook closing member (4) aligns with the needle point of puncture needle sleeve pipe (3).

3, the thoracoscopic operation according to claim 1 and 2 localised puncture trocar, it is characterized in that wherein said medical nylon wire (2) imbeds in the metal hook (1) and firmly connect with it, described metal hook (1) has elasticity, and it is shaped as triangle or has agnail (7) on a bit of metal.