CN103598904A

CN103598904A - Incision retracting fixator suitable for single port laparoscopic surgery

Info

Publication number: CN103598904A
Application number: CN201310645943.5A
Authority: CN
Inventors: 陈其龙; 牟一平; 魏云海
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-06
Filing date: 2013-12-06
Publication date: 2014-02-26

Abstract

The invention relates to medical apparatuses and instruments for laparoscopic surgeries, in particular to an incision retracting fixator suitable for a single port laparoscopic surgery. According to the technical scheme, the incision retracting fixator suitable for the single port laparoscopic surgery comprises an expander used for distraction of an incision and curved Roca connecting pieces fixedly connected to the expander. The incision retracting fixator suitable for the single port laparoscopic surgery can achieve operations of a laparoscope in the single port, and overcomes the defect that the positions of all the operation holes of a single port laparoscopic are close to one another and are fixed and cannot be switched freely, pain of a patient is reduced, economic burden of the patient is reduced, and scars after the surgery are few.

Description

A kind of otch that is applicable to single-hole laparoscopic surgery retracts holder

Technical field

The present invention relates to the medical apparatus and instruments for laparoscopic surgery, particularly a kind of otch that is applicable to single-hole laparoscopic surgery retracts holder.

Background technology

The appearance of laparoscopic surgery is described as one of the most dazzling Advance in surgery of medical development in last century, and Wicresoft becomes the theme of medical development in this century.Originally need larger otch just can complete the disease of operation, with laparoscopic surgery, only need several little otch to complete, obviously alleviate surgical injury, be subject to the welcome of extensive patients; Yet, when tradition laparoscopic surgery is performed the operation as gallbladder removal, appendectomy, hernia repairing etc., all need human abdomen, form an otch for each bent sieve card apparatus, You Zhi incision tissue injury, hemorrhage and incisional hernia generation equivalent risk, and the many impacts of scar after the operation are attractive in appearance, to patient, bring larger pain; Exploration is by existing laparoscopic technique further " Wicresoft ": further reduce number of incisions not affecting operation safety simultaneously, have and in remarkable reduction art, damage and alleviate patient suffering's realistic meaning, become current surgical field study hotspot.

The nineties in last century, single-hole laparoscopic technology emerged, the operation that this technology can just can complete original a plurality of otch is reduced to single otch, can significantly reduce otch and related complication, there is splendid cosmetic result, become one of direction of exploring laparoscopic technique Wicresoft; Yet owing to limit by professional apparatus, single-hole laparoscopic technology, after the development of having experienced nearly 20 years, is applied still quite limitation, extensive patients is difficult to enjoy the advantage that new technique brings.

Current existing professional single hole device design principle similar with a plurality of bent sieve is fastened and is merged into single " large size " bent sieve card, though ensure that each operating apparatus can free in and out through single channel, but next-door neighbour is fixing and parallel to each other in each handle hole position, cannot turn or diagonal cross by coaxial wheels each other, limited the degree of freedom of operating theater instruments, cause apparatus to enter rear parallel and fixing " the chopsticks effect " that be close to, between apparatus and apparatus, between apparatus and camera lens, unavoidable collision is crowded, and operation easier is very big; Though the single-hole laparoscopic operating apparatus that uses professional pre-bending maybe can turn wrist can partly make up this deficiency, but because this apparatus is twisted into " snakelike " after entering visual area, patient's operation can face left and right intersection " converse phenomenon ", not only increase patient economy burden, also operation doctor is grasped to this technology and form severe challenge, limited applying of single-hole laparoscopic technology.

Summary of the invention

The object of this invention is to provide a kind of otch that is applicable to single-hole laparoscopic surgery and retract holder, can realize laparoscopic procedure under single hole, and improved single-hole laparoscopic each handle hole position next-door neighbour and the fixing shortcoming that cannot freely change; Not only can reduce patient's misery, and alleviate patient economy burden, and postoperative scar is few.

Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of otch that is applicable to single-hole laparoscopic surgery retracts holder, comprises for supportting scalloping dilator, is fixedly connected on bent sieve card connection of described dilator.

As of the present invention preferably, described bent sieve card connection comprises the upper interface being connected with described dilator, the hollow bulb that one is connected in described upper interface, the column passage of being located at described hollow bulb, the check valve of being located at described column passage.

As of the present invention preferred, described column passage has three.

As of the present invention preferred, described column passage has five.

Preferably described check valve comprises valve body, is located at least two flaps of described valve body as of the present invention, thereby and all described flaps to recessed formation cambered surface in described valve body.

As of the present invention preferred, described valve body is threaded with described column passage or seals socket or sealing clamping.

As of the present invention preferred, on one of them column passage, also interlink and be connected to three-way valve.

As of the present invention preferred, described dilator has the lower interface that is connected with described upper interface thread or seals socket or sealing clamping.

In sum, the present invention has following beneficial effect: the present invention is simple in structure, easy to implement; During enforcement, after patient's abdominal incision otch, by dilator, strut otch and stablize size incision, thereby can the connection with corresponding unmarried valve by different bent sieve cards, realization is rushed venting and/or inserts the operations such as peritoneoscope, linear type elastic separating plier abdominal part, and can make apparatus free in and out or transposition at otch.

Accompanying drawing explanation

Fig. 1 is embodiment 1 structural representation;

Fig. 2 is A portion enlarged drawing in Fig. 1.

In figure, 1, dilator, 2, bent sieve card connection, 21, upper interface, 22, hollow bulb, 23, column passage, 24, check valve, 11, lower interface, 241, valve body, 242, flap, 231, three-way valve.

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is described in further detail.

This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this description, but as long as within the scope of claim of the present invention, are all subject to the protection of Patent Law.

Embodiment 1: as shown in Figure 1-2, a kind of otch that is applicable to single-hole laparoscopic surgery retracts holder, comprises for supportting scalloping dilator 1, is fixedly connected on bent sieve card connection 2 of dilator 1.

Bent sieve card connection 2 comprises the upper interface 21 being connected with dilator 1, upper interface 21 is connected with hollow bulb 22, and hollow bulb 22 is generally dome shape, is provided with three column passages 23 on hollow bulb 22, on each column passage 23, be also connected with check valve 24, to connect corresponding bent sieve card apparatus.

Dilator 1 has the lower interface 11 that is threaded with upper interface 21 or seals socket or sealing clamping; The present embodiment is for being threaded; Dilator 1 can be the good soft rubber of elasticity except lower interface 11; Hollow bulb 22 can be also the soft rubber of sizing.

Check valve 24 comprises the valve body 241 that is connected in column passage 23, and valve body 241 is provided with at least two flaps 242, and the present embodiment is five; Conflict swelling mutually between adjacent flap 242, and thereby all flaps 242 are to the interior recessed formation cambered surface of valve body 241, along being to the inner convex shape of valve body 241 to middle part direction with the junction of valve body 241, thereby the sealing that check valve 24 is realized column passage 23, and bent sieve card apparatus easily inserts check valve 24 implementation and operations, but gas in hollow bulb 22 can not overflow check valve 24.

Valve body 241 is threaded with column passage 23 or seals socket or sealing clamping; The present embodiment is for being threaded.

On one of them column passage 23, also interlink and be connected to three-way valve 231.

The present embodiment is specially adapted to do the operations such as single-hole laparoscopic appendectomy or herniorrhaphy.

Embodiment 2: be with the difference of embodiment 1, column passage 23 has five.

The present embodiment is specially adapted to do the laparoscopic surgeries such as single-hole laparoscopic gastrointestinal procedures.

Claims

1. the otch that is applicable to single-hole laparoscopic surgery retracts a holder, it is characterized in that, comprises for supportting scalloping dilator (1), is fixedly connected on bent sieve card connection (2) of described dilator (1).

2. a kind of otch that is applicable to single-hole laparoscopic surgery according to claim 1 retracts holder, it is characterized in that, described bent sieve card connection (2) comprise the upper interface (21), the one that are connected with described dilator (1) be connected in the hollow bulb (22) of described upper interface (21), be located at described hollow bulb (22) column passage (23), be located at the check valve (24) of described column passage (23).

3. a kind of otch that is applicable to single-hole laparoscopic surgery according to claim 2 retracts holder, it is characterized in that, described column passage (23) has three.

4. a kind of otch that is applicable to single-hole laparoscopic surgery according to claim 2 retracts holder, it is characterized in that, described column passage (23) has five.

5. according to a kind of otch that is applicable to single-hole laparoscopic surgery described in claim 3 or 4, retract holder, it is characterized in that, described check valve (24) comprises valve body (241), is located at least two flaps (242) of described valve body (241), and all described flaps (242) to described valve body (241) thus in recessed formation cambered surface.

6. a kind of otch that is applicable to single-hole laparoscopic surgery according to claim 5 retracts holder, it is characterized in that, described valve body (241) is threaded with described column passage (23) or seals socket or sealing clamping.

7. according to a kind of otch that is applicable to single-hole laparoscopic surgery described in claim 3 or 4, retract holder, it is characterized in that, on one of them column passage (23), also interlink and be connected to three-way valve (231).

8. a kind of otch that is applicable to single-hole laparoscopic surgery according to claim 2 retracts holder, it is characterized in that, described dilator (1) has the lower interface (11) that is threaded with described upper interface (21) or seals socket or sealing clamping.