CN209847332U - Laparoscope puncture sheath - Google Patents

Abstract

The utility model discloses a puncture sheath for laparoscope, which comprises a sheath body, wherein a first annular air bag and a second annular air bag are sleeved on the sheath body, the first annular air bag is positioned below the second annular air bag, an annular groove is arranged on the outer wall of the sheath body at the position of the first annular air bag, the first annular air bag is sleeved in the annular groove, and the first annular air bag and the second annular air bag are respectively connected with a first inflation tube and a second inflation tube; strutting arrangement is installed to sheath body outer wall, and strutting arrangement includes solid fixed ring, supporting legs and locking collar, gu fixed ring is the non-closed circle form, for having elastic sheetmetal, the utility model discloses outside can preventing puncture sheath roll-off patient's abdominal cavity, the pneumoperitoneum pipe of installation in the puncture sheath can be in operation in-process pneumoperitoneum when descending fill gas recovery pneumoperitoneum to the abdominal cavity in, makes the operation normally go on, strutting arrangement of the external installation of sheath can insert patient's abdominal cavity at the puncture sheath after, supports the puncture sheath, has more made things convenient for doctor's operation.

Description

Laparoscope puncture sheath

Technical Field

The utility model relates to the technical field of medical equipment, specifically belong to a peritoneoscope puncture sheath.

Background

The laparoscopic surgery is a minimally invasive surgery, as the laparoscopic surgery has less bleeding, small wound and quick recovery, the laparoscopic surgery becomes one of important surgical operations, a necessary instrument of the laparoscopic surgery is a laparoscopic puncture outfit, a general laparoscopic puncture outfit comprises a puncture sheath and a puncture needle, when the laparoscopic puncture outfit is used, the puncture needle is inserted into the puncture sheath, the puncture needle penetrates the abdominal wall, the puncture sheath is brought into the abdominal cavity in the puncture process, the puncture needle is pulled out, the puncture sheath is temporarily placed in the abdominal cavity as an operation channel, and channels for conveying gas, entering and exiting an endoscope and surgical instruments are provided for the operation process, so the stability of the puncture sheath is crucial in the operation process.

After the existing puncture sheath penetrates into the abdominal cavity, the actions (such as breathing, heart beating and the like) of the body of a patient easily cause the puncture sheath to slip out of the abdominal cavity, so that the operation process is influenced, meanwhile, the patient is easy to generate complications such as subcutaneous emphysema and subcutaneous hematoma, and the pain of the patient is increased; before an operation, an artificial pneumoperitoneum needs to be established firstly, so that an abdominal membrane wall is separated from visceral organs, the abdominal cavity is enlarged to facilitate the operation, and the damage to the visceral organs when a trocar is punctured into the abdominal cavity is avoided.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a peritoneoscope puncture sheath, this utility model can stabilize fix at patient's belly, prevent to take place the slippage, this utility model can also fill gas in the abdominal cavity when the pneumoperitoneum descends, supply the intra-abdominal gas, make the operation normally go on to improve the efficiency of operation.

In order to achieve the technical purpose, the above technical effects are achieved, and the utility model discloses a realize through following technical scheme:

a puncture sheath for laparoscope comprises a sheath body and is characterized in that:

the sheath body is sleeved with a first annular air bag and a second annular air bag, the first annular air bag is positioned below the second annular air bag, an annular groove is formed in the position, positioned on the first annular air bag, on the outer wall of the sheath body, the first annular air bag is sleeved in the annular groove, and the first annular air bag and the second annular air bag are respectively connected with a first inflation tube and a second inflation tube;

the supporting device is arranged on the outer wall of the sheath body and comprises a fixing ring, supporting legs and a locking ring, the fixing ring is in a non-closed ring shape and is made of elastic metal sheets, at least three supporting legs are fixedly connected to the periphery of the fixing ring, the lower ends of the supporting legs are outwards opened, the connecting parts of the supporting legs and the fixing ring are elastic and can be inwards folded, the locking ring is sleeved outside the fixing ring, the locking ring is formed by bending the elastic metal sheets, the two ends of the locking ring are connected through locking bolts, and the locking ring can slide downwards to fold the supporting legs together;

the internal surface of the sheath body is provided with a strip-shaped groove which is square along the central axis of the sheath body, the cross section of the strip-shaped groove is a circular arc, and a pneumoperitoneum tube is fixedly arranged in the strip-shaped groove.

Furthermore, the lower end of the sheath body is of an inclined opening structure.

Furthermore, the central angle corresponding to the arc of the section of the strip-shaped groove is larger than 180 degrees.

The utility model has the advantages that: the utility model discloses an inside and outside both sides at the stomach wall are installed respectively to first annular gasbag and second annular gasbag, carry the stomach wall to fixed peritoneoscope puncture sheath prevents outside puncture sheath roll-off patient's abdominal cavity, and the pneumoperitoneum pipe of installation in the puncture sheath can fill gaseous recovery pneumoperitoneum to the abdominal cavity when operation in-process pneumoperitoneum descends, makes the operation normally go on, has avoided stopping the operation to resume again the time waste that pneumoperitoneum caused, has improved operation efficiency, the strutting arrangement of the external installation of sheath can insert patient's abdominal cavity at the puncture sheath after, supports the puncture sheath, has replaced doctor's use of the hand people for holding up the puncture sheath, has more made things convenient for doctor's operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional structure of the sheath.

Fig. 3 is a schematic structural view of the support device.

Fig. 4 is a schematic structural view of the locking ring.

In the drawings, the names of the components represented by the respective reference numerals are listed as follows:

1-sheath body, 2-first annular air bag, 3-second annular air bag, 4-first inflation tube, 5-second inflation tube, 6-supporting device, 7-pneumoperitoneum tube, 8-strip-shaped groove, 9-annular groove, 10-fixing ring, 11-supporting leg, 12-locking ring and 13-locking bolt.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a laparoscopic puncture sheath includes a sheath body 1, and is characterized in that:

a first annular air bag 2 and a second annular air bag 3 are sleeved on the sheath body 1, the first annular air bag 2 is positioned below the second annular air bag 3, an annular groove 9 is formed in the position, positioned on the first annular air bag 2, on the outer wall of the sheath body 1, the first annular air bag 2 is sleeved in the annular groove 9, and a first inflation tube 4 and a second inflation tube 5 are respectively connected to the first annular air bag 2 and the second annular air bag 3;

the supporting device 6 is installed on the outer wall of the sheath body 1, the supporting device 6 comprises a fixing ring 10, supporting legs 11 and a locking ring 12, the fixing ring 10 is in a non-closed ring shape and is an elastic metal sheet, at least three supporting legs 11 are fixedly connected to the periphery of the fixing ring 10, the lower ends of the supporting legs 11 are metal strips and are outwards opened, the connecting part of the supporting legs and the fixing ring 10 has elasticity and can be inwards folded, the locking ring 12 is sleeved outside the fixing ring 10, the locking ring 12 is formed by bending the metal strips with elasticity, the two ends of the locking ring 12 are connected through locking bolts 13, and the locking ring 12 can slide downwards to fold the supporting;

the internal surface of sheath body 1 is seted up along the square bar recess 8 of sheath body 1 axis, and the cross-section of the bar recess 8 of telling is the circular arc, and fixed mounting has pneumoperitoneum pipe 7 in the bar recess 8.

Further, the lower end of the sheath body 1 is of an inclined opening structure.

Further, the central angle corresponding to the arc of the cross section of the strip-shaped groove 8 is larger than 180 degrees.

The specific embodiment of the utility model is that: when in use, an opening is arranged on the abdominal cavity of a patient, the lower end of the sheath body 1 is of an inclined opening structure, so that the puncture sheath can be conveniently inserted, before puncture, gas is firstly filled into the second annular air bag 3 through the second inflation tube 5, an injector or other inflating devices can be used for inflating, so that the second annular air bag 3 is inflated and fixed on the outer wall of the sheath body 1, during puncture, the second annular air bag 3 can play a limiting role to prevent organs or tissues in the abdominal cavity from being accidentally injured by puncturing too deeply, before puncture, the first annular air bag 2 is in a contraction state and is positioned in the annular groove 9 on the outer wall of the sheath body 1, so that the first annular air bag 2 does not influence the puncture of the puncture sheath, after the first annular air bag 2 enters the abdominal cavity, the first annular air bag 2 is filled with gas through the first inflation tube 4, the first annular air bag 2 is inflated and expanded and clamped in the abdominal cavity wall, and the second annular air bag, thereby the abdominal wall is positioned between the first annular air bag 2 and the second annular air bag 3, the position of the puncture sheath is fixed, and the puncture sheath is prevented from sliding out of the patient body.

After the puncture sheath position is fixed, the puncture sheath is supported by using the supporting device 6, the position of the fixing ring 10 on the puncture sheath is moved, the supporting legs 11 are supported on the abdominal skin of a patient, the locking ring 12 is sleeved outside the fixing ring 10, the fixing ring 10 is fastened by inwards contracting the locking ring 12 through rotating the locking bolt 13, the fixing ring 10 is tightly pressed on the outer wall of the puncture sheath, the position of the supporting device 6 is locked, the puncture sheath is supported by the supporting legs 11, the puncture sheath can be supported by a doctor without manually holding the puncture sheath for operation, other operations can be carried out by one more hand of the doctor, the operation efficiency is improved, when the operation is finished, the locking ring 12 can be loosened, the supporting legs 11 are folded inwards and then locked by downwards sliding, the occupied volume is reduced, and the puncture sheath is convenient to place.

Because in the operation, surgical instruments's business turn over puncture sheath repeatedly can make the abdominal cavity pneumoperitoneum descend, influence the operation of operation, the pneumoperitoneum pipe 7 that this utility model set up can be arranged in the operation to the abdominal cavity fill gas recovery pneumoperitoneum, make the operation normally go on, it is extravagant to have avoided stopping the operation time that the pneumoperitoneum caused to resume once more to improve operation efficiency, the pneumoperitoneum pipe is installed in the bar recess, the central angle that bar recess cross-section circular arc corresponds is greater than 180 degrees, make the pneumoperitoneum pipe stabilize and fix in the bar recess, prevent to drop.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching.

Claims (3)

1. A puncture sheath for laparoscope comprises a sheath body and is characterized in that:

the sheath body is sleeved with a first annular air bag and a second annular air bag, the first annular air bag is positioned below the second annular air bag, an annular groove is formed in the position, positioned on the first annular air bag, on the outer wall of the sheath body, the first annular air bag is sleeved in the annular groove, and the first annular air bag and the second annular air bag are respectively connected with a first inflation tube and a second inflation tube;

the supporting device is arranged on the outer wall of the sheath body and comprises a fixing ring, supporting legs and a locking ring, the fixing ring is in a non-closed ring shape and is made of elastic metal sheets, at least three supporting legs are fixedly connected to the periphery of the fixing ring, the lower ends of the supporting legs are outwards opened, the connecting parts of the supporting legs and the fixing ring are elastic and can be inwards folded, the locking ring is sleeved outside the fixing ring, the locking ring is formed by bending the elastic metal sheets, the two ends of the locking ring are connected through locking bolts, and the locking ring can slide downwards to fold the supporting legs together;

the internal surface of the sheath body is provided with a strip-shaped groove which is square along the central axis of the sheath body, the cross section of the strip-shaped groove is a circular arc, and a pneumoperitoneum tube is fixedly arranged in the strip-shaped groove.

2. The laparoscopic puncture sheath of claim 1, wherein: the lower end of the sheath body is of an inclined opening structure.

3. The laparoscopic puncture sheath of claim 1, wherein: the central angle corresponding to the arc of the section of the strip-shaped groove is larger than 180 degrees.