CN217793145U

CN217793145U - Novel soft apparatus sheath pipe of peritoneoscope

Info

Publication number: CN217793145U
Application number: CN202121480923.3U
Authority: CN
Inventors: 杜兰平; 孙位栋
Original assignee: Weihai Strongmedical Sci Tech Co ltd
Current assignee: Weihai Strongmedical Sci Tech Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-11-15
Anticipated expiration: 2031-07-01

Abstract

The application discloses novel soft apparatus sheath pipe of peritoneoscope, including platform, platform connecting piece, protective sheath connecting piece, flange and incision protective sheath, the platform upper surface is equipped with channel interface and the gas interface that is used for connecting channel unit and gas joint, platform lower extreme opening inscription platform connecting piece, the platform connecting piece outside is connected with flange, the protective sheath connecting piece is external to port on the incision protective sheath, the inner chamber that the platform connecting piece inserted the protective sheath connecting piece and can rotate relatively the protective sheath connecting piece, the lock leaf that sets up on the protective sheath connecting piece gets into or withdraws from the hasp that sets up on flange and makes flange and protective sheath connecting piece locking or unblock. The utility model discloses simple structure, sealing performance are good, the installation is adjusted conveniently, uses safe and reliable.

Description

Novel soft apparatus sheath pipe of peritoneoscope

Technical Field

The utility model belongs to the technical field of medical instrument, a novel soft apparatus sheath pipe of peritoneoscope is related to.

Background

In recent years, with the progress of medical science and technology, minimally invasive surgery is widely applied due to the advantages of small wound, short treatment time, small postoperative scar and the like. In the surgical minimally invasive operations of anorectal surgery, laparoscope and the like, a doctor needs to send surgical instruments such as a puncture outfit, a laparoscope, a surgical grasper and the like into the abdominal cavity of a patient from a wound by virtue of a disposable laparoscopic soft instrument sheath, which is a very critical medical instrument in the laparoscopic operation. The principle is that after a main channel is established through an incision protective sleeve, the main channel is connected with a laparoscope soft instrument sheath tube, and a plurality of single-hole channels are arranged on the laparoscope soft instrument sheath tube and can accommodate various surgical instruments simultaneously. The operating doctor performs multi-instrument operation in the laparoscope soft instrument sheath tube to complete the operation.

The existing soft device sheath tube of the disposable laparoscope generally comprises a top cover, an inner sleeve tube and an outer sleeve tube, wherein the outer sleeve tube is used for inserting a wound, the inner sleeve tube is fixed on the outer sleeve tube through threaded connection, the top cover is fixed at one end, far away from the outer sleeve tube, of the inner sleeve tube in a clamping connection mode, a leading-in hole for inserting a surgical device is formed in the hole of the top cover, and a gas transmission connector is arranged on the side face of the inner sleeve tube. The laparoscope soft instrument sheath tube with the structure has poor air tightness, the pressure in the laparoscope soft instrument sheath tube can not be ensured to be stable, and smoke and peculiar smell generated by the high-frequency electrotome are easy to leak to cause pollution. The design of the connecting structure between the laparoscope soft instrument sheath tube and the incision protective sleeve is unreasonable, and the instrument is difficult to disassemble and reinstall when taking out foreign matters in an operation, so that the potential safety hazard of the operation is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems existing in the prior art, the application provides a novel laparoscope soft instrument sheath tube.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

the utility model provides a novel soft apparatus sheath pipe of peritoneoscope, includes platform, platform connecting piece, protective sheath connecting piece, flange and incision protective sheath, the platform upper surface is equipped with channel interface and the gas interface that is used for connecting channel unit and gas to connect, platform lower extreme opening inscription platform connecting piece, the platform connecting piece outside is connected with flange, the protective sheath connecting piece is external to be put in port in the incision protective sheath, the platform connecting piece inserts the inner chamber of protective sheath connecting piece and can rotate relatively the protective sheath connecting piece, the lock leaf that sets up on the protective sheath connecting piece gets into or withdraws from the hasp messenger flange that sets up on flange and protective sheath connecting piece locking or unblock.

The channel unit comprises an upper cover, a sealing cap, a gas barrier valve and a sleeve, wherein the outer wall of the lower portion of the sleeve is provided with a transverse clamping groove, the upper portion of the sleeve is provided with a first supporting ring, a connecting portion of the gas barrier valve is arranged on the first supporting ring, the connecting portion of the sealing cap is arranged on the gas barrier valve, the inner side of the upper cover is provided with a downward second supporting ring, the first supporting ring and the second supporting ring extrude the gas barrier valve and the sealing cap to seal the gas barrier valve, and the outer ring of the upper cover and the outer ring of the sleeve are welded and fused.

A first limiting ring is formed on the outer side of the first supporting ring, the connecting portion of the choke valve extends downwards to form a first limiting boss, and the first boss is clamped into the first limiting ring.

The outside of the second support ring forms a second limit ring, the connecting part of the sealing cap extends upwards to form a second limit boss, and the second boss is clamped into the second limit ring.

The channel unit comprises two large-caliber channel units and two small-caliber channel units, large-caliber channel interfaces and small-caliber channel interfaces are alternately and circumferentially arranged on the platform, and the large-caliber channel units and the small-caliber channel units are in interference fit with the large-caliber channel interfaces and the small-caliber channel interfaces respectively.

The gas joint interface has two, respectively with gas joint interference fit, two gas joints are the inlet end of jointing equipment respectively and are given vent to anger the end.

The connecting flange is provided with a first locking indicating lug and a first unlocking indicating lug; be provided with the tight indication ear of locking of second and the tight indication ear of unlocking of second on the protective sheath connecting piece, when first tight indication ear of locking and the tight indication ear of locking of second coincide, the lock leaf is locked with the hasp, and when first indication ear of unlocking and the tight indication ear of unlocking of second coincide, the lock leaf is unblock with the hasp.

The lock catch of the connecting flange is divided into a large lock catch and a small lock catch, the arc lengths of the large lock catch and the small lock catch are the same, and the width of the large lock catch is larger than that of the small lock catch; and the protective sleeve connecting piece is provided with an installation opening, and the large lock catch of the connecting flange is assembled at the installation opening.

And a sealing ring is arranged between the outer ring of the platform connecting piece and the protective sleeve connecting piece.

And the outer ring wall of the platform connecting piece is provided with an inverted buckle which limits the connecting flange and assembles the connecting flange and the platform connecting piece together.

And an occlusion bulge and an occlusion groove which are mutually occluded to realize the fixed connection of the incision protective sleeve and the protective sleeve connecting piece are arranged between the incision protective sleeve and the protective sleeve connecting piece.

The utility model has the advantages that: (1) By adopting extrusion sealing, the pressure in the apparatus can be ensured to be stable, and peculiar smell or smoke can not flow out of the apparatus. (2) After the incision protective sleeve is connected with the protective sleeve connecting piece, the incision protective sleeve can be left on the body of a patient during the disassembly in the operation. Only need open between flange and the protective sheath connecting piece or lock when installation or dismantlement can, need not touch, adjust the incision protective sheath on the disease wound, can effectively reduce the risk in the surgical instruments use. (3) The platform connecting piece and the connecting flange are in active connection, and the rotating angle can be rotated according to actual requirements in the using process, so that the operation is convenient. (4) The uniqueness of installation can be guaranteed with big hasp cooperation to the installation breach between protective sheath connecting piece and the flange, prevents to take place installation mistake. (5) The protective sleeve connecting piece and the connecting flange are provided with locking/unlocking indication ears, so that the operation is more convenient.

Drawings

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

Fig. 1 is an overall view of a sheath of the novel laparoscopic soft instrument.

Fig. 2 is an exploded view of the sheath of the novel laparoscopic soft instrument.

Figure 3 is a cross-sectional view of a sheath of the novel laparoscopic soft instrument.

Fig. 4 is an enlarged view of I in fig. 3.

Fig. 5 is a schematic view of a platform connection.

Fig. 6 is a schematic view of a connecting flange structure.

Fig. 7 and 8 are assembly views of the attachment flange and the connection piece of the boot.

FIG. 9 is a schematic view of the locking condition of the attachment flange to the boot connector.

Figure 10 is a cross-sectional view of a channel block.

In the figure: 1. 2 channel unit, 11 sleeve, 111 transverse clamping groove, 112 first supporting ring, 113 first limiting ring, 12 choke valve, 121 first limiting boss, 13 sealing cap, 131 second limiting boss, 14 upper cover, 141 second supporting ring, 142 second limiting ring, 3 gas connector, 4 platform, 41, 42 channel interface, 43 gas interface, 5 platform connecting piece, 51 back-off, 52 sealing ring, 6 connecting flange, 61 first unlocking indicating lug, 62 first locking indicating lug, 631 small locking buckle, 632 big locking buckle, 7 protective sleeve connecting piece, 71 second unlocking indicating lug, 72 second locking indicating lug, 73 locking leaf, 74 installation notch, 75 meshing groove, 8 incision protective sleeve, 81 meshing protrusion.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The utility model discloses a structure please refer to fig. 1, fig. 2 and fig. 3 for novel soft apparatus sheath pipe of peritoneoscope, including platform 4, platform connecting piece 5, protective sheath connecting piece 7, flange 6 and incision

protective sheath

8, 4 upper surfaces of platform are equipped with the

channel interface

41, 42 and the gas interface 43 that are used for

interface channel unit

1, 2 and gas joint 3, platform 4 lower extreme opening inscription platform connecting piece 5, the platform connecting piece 5 outside is connected with flange 6, protective sheath connecting piece 7 is external to port on incision protective sheath 8, platform connecting piece 5 inserts the inner chamber of protective sheath connecting piece 7 and can rotate protective sheath connecting piece 7 relatively, the lock leaf 73 of setting on protective sheath connecting piece 7 gets into or withdraws from the hasp that sets up on flange 6 and makes flange 6 and protective sheath connecting piece 7 lock or unblock. The platform 4 is made of silica gel and has elastic deformation capability. The incision protection sleeve 8 is of an integrated structure, is inserted into a wound of a patient during operation, and is provided with a central cavity which penetrates along the axial direction, and surgical instruments such as a puncture outfit, a laparoscope and surgical graspers can penetrate through the central cavity. The periphery and the central cavity of the incision protection sleeve 8 are cylindrical.

The channel unit forms the passageway that the apparatus got into, the utility model discloses well channel unit includes the channel unit 1 of two heavy-calibers and the channel unit 2 of two small calibers, and alternate circumference arranges the channel interface 42 that has the heavy-calibre and the channel interface 41 of small calibers on platform 4, the channel unit 2 of the channel unit 1 of heavy-calibre and small calibers respectively with the channel interface 42 of heavy-calibre and the channel interface 41 interference fit of small calibers.

Referring to fig. 10, the

channel unit

1 and 2 includes an upper cover 14, a sealing cap 13, a choke valve 12 and a sleeve 11, wherein a transverse slot 111 is formed in an outer wall of a lower portion of the sleeve 11, a first support ring 112 is formed in an upper portion of the sleeve 11, a connecting portion of the choke valve 12 is disposed on the first support ring 112, a connecting portion of the sealing cap 13 is disposed on the choke valve 12, a downward second support ring 141 is disposed inside the upper cover 14, the first support ring 112 and the second support ring 141 press the choke valve 12 and the sealing cap 13 to seal the same, and an outer ring of the upper cover 14 is welded to an outer ring of the sleeve 11. A first limit ring 113 is formed outside the first support ring 112, and the connecting portion of the choke valve 12 extends downward to form a first limit projection 121, which is snapped into the first limit ring 113. A second limit ring 142 is formed outside the second support ring 141, and the connection portion of the seal cap 13 extends upward to form a second limit boss 131, which is snapped into the second limit ring 142. The structure of utilizing spacing ring and spacing boss can prevent to be driven when the apparatus from inserting and drop, improves the stability of structure.

The number of the gas joints 3 is two, the two gas joints are in interference fit with the gas joints 3 respectively, and the two gas joints 3 are connected with the gas inlet end and the gas outlet end of the equipment respectively. The internal pressure is maintained stable during the operation process, and meanwhile, the smoke and harmful gas generated during the operation process are discharged.

The connecting flange 6 is provided with a first locking indicating lug 62 and a first unlocking indicating lug 61; the protective sleeve connecting piece 7 is provided with a second locking indication lug 72 and a second unlocking indication lug 71, when the first locking indication lug 62 and the second locking indication lug 72 are overlapped, as shown in fig. 9, the lock leaf 73 is locked with the lock catch, and when the first unlocking indication lug 61 and the second unlocking indication lug 71 are overlapped, the lock leaf 73 is unlocked with the lock catch. The operation is more convenient and accurate by utilizing the unlocking indication lug and the locking indication lug.

Referring to fig. 7 and 8, the lock catch of the connecting flange 6 is divided into a large lock catch 632 and a small lock catch 631, the arc lengths of the large lock catch 632 and the small lock catch 631 are the same, and the width of the large lock catch 632 is greater than that of the small lock catch 631; the protective sleeve connecting piece 7 is provided with an installation opening 74, and a large lock catch 632 of the connecting flange 6 is assembled at the installation opening 74. The opening between the big lock catch 632 of the connecting flange 6 and the protective sleeve connecting piece 7 corresponds in the installation process, so that the correctness in the installation process can be ensured, and errors can not occur due to the problem of the installation angle.

And a sealing ring 52 is arranged between the outer ring of the platform connecting piece 5 and the protective sleeve connecting piece 7. The sealing ring 52 cooperates with the inside of the boot connection 7 to form a seal. The outer ring wall of the platform connecting piece 5 is provided with an inverted buckle 51, the inverted buckle 51 limits the connecting flange 6, and the connecting flange 6 and the platform connecting piece 5 are assembled together.

In order to realize a fast and reliable connection between the incision protection cover 8 and the protection cover connector 7, an engagement protrusion 81 and an engagement groove 75 are provided between the incision protection cover 8 and the protection cover connector 7, which are engaged with each other to realize a fixed connection therebetween, please refer to fig. 4.

In the use, insert protective sheath connecting piece 7 earlier in incision protective sheath 8, interlock arch 81 and interlock recess 75 interlock, put incision protective sheath 8 into the disease incision, as basic use unit. The whole of the connecting flange 6 and the parts above is assembled with the protective sleeve connecting piece 7, the connecting flange 6 is concentric with the protective sleeve connecting piece 7, the mounting opening 74 part of the protective sleeve connecting piece 7 corresponds to the large lock catch 632 of the connecting flange 6, the lower part of the platform connecting piece 5 is inserted into the protective sleeve connecting piece 7, and the sealing ring 52 of the platform connecting piece 5 is matched with the inside of the protective sleeve connecting piece 7 to form sealing. The first locking indication lug 62 of the connecting flange 6 and the second locking indication lug 72 of the protective sleeve connecting piece 7 are pinched and overlapped by two hands, so that the lock leaf 73 of the protective sleeve connecting piece 7 is turned into the lock catch of the connecting flange 6, and the connection is completed. Then the air interfaces 43 on the platform 4 are respectively arranged at the air inlet end and the air outlet end of the device, so that the installation of the instrument is completed, and the surgical instrument can enter from the large channel unit 1 and the small channel unit 2 to perform the operation. The utility model discloses top-down all adopts interference fit, guarantees that the apparatus internal pressure is balanced, and smog and the peculiar smell that produce in the operation process can not leak and lead to external pollution.

When the angle needs to be adjusted, the connecting flange 6 is pinched by one hand, and the platform 4 is rotated by the other hand to complete the angle adjustment, so that the instrument is more flexible to use. When the internal tissue needs to be taken out or disassembled, the first unlocking indication lug 61 of the connecting flange 6 and the second unlocking indication lug 71 of the protective sleeve connecting piece 7 are pinched and overlapped, and the protective sleeve connecting piece 7 is separated from the connecting flange 6. At this moment, the incision protective sleeve 8 and the protective sleeve connecting piece 7 are still positioned on the body of the patient, and only the connecting flange 6 and the protective sleeve connecting piece 7 need to be adjusted in the whole operation process, so that the incision protective sleeve 8 cannot be touched.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A novel soft apparatus sheath pipe of peritoneoscope which characterized in that: including platform, platform connecting piece, protective sheath connecting piece, flange and incision protective sheath, the platform upper surface is equipped with channel interface and the gas interface who is used for connecting channel unit and gas joint, platform lower extreme opening inscription platform connecting piece, the platform connecting piece outside is connected with flange, the port is gone up in the incision protective sheath to the protective sheath connecting piece external, the platform connecting piece inserts the inner chamber of protective sheath connecting piece and can rotates with protective sheath connecting piece relatively, the lock leaf that sets up on the protective sheath connecting piece gets into or withdraws from the hasp messenger flange that sets up on flange and protective sheath connecting piece locking or unblock.

2. The novel laparoscopic soft instrument sheath according to claim 1, wherein: the channel unit comprises an upper cover, a sealing cap, a gas barrier valve and a sleeve, wherein the outer wall of the lower portion of the sleeve is provided with a transverse clamping groove, the upper portion of the sleeve is provided with a first supporting ring, a connecting portion of the gas barrier valve is arranged on the first supporting ring, the connecting portion of the sealing cap is arranged on the gas barrier valve, the inner side of the upper cover is provided with a downward second supporting ring, the first supporting ring and the second supporting ring extrude the gas barrier valve and the sealing cap to seal the gas barrier valve, and the outer ring of the upper cover and the outer ring of the sleeve are welded and fused.

3. The novel laparoscopic soft instrument sheath according to claim 2, wherein: a first limiting ring is formed on the outer side of the first supporting ring, the connecting part of the choke valve extends downwards to form a first limiting boss, and the first boss is clamped in the first limiting ring; the outside of the second support ring forms a second limit ring, the connecting part of the sealing cap extends upwards to form a second limit boss, and the second boss is clamped into the second limit ring.

4. The novel laparoscopic soft instrument sheath according to claim 1, wherein: the channel units comprise two large-caliber channel units and two small-caliber channel units, large-caliber channel interfaces and small-caliber channel interfaces are alternately and circumferentially arranged on the platform, and the large-caliber channel units and the small-caliber channel units are in interference fit with the large-caliber channel interfaces and the small-caliber channel interfaces respectively.

5. The novel laparoscopic soft instrument sheath according to claim 1, wherein: the gas joint interface has two, respectively with gas joint interference fit, two gas joints are the inlet end of jointing equipment respectively and are given vent to anger the end.

6. The novel laparoscopic soft instrument sheath according to any one of claims 1 to 5, wherein: the connecting flange is provided with a first locking indicating lug and a first unlocking indicating lug; be provided with the tight indication ear of locking of second and the tight indication ear of unlocking of second on the protective sheath connecting piece, when first tight indication ear of locking and the tight indication ear of locking of second coincide, the lock leaf is locked with the hasp, and when first indication ear of unlocking and the tight indication ear of unlocking of second coincide, the lock leaf is unblock with the hasp.

7. The novel laparoscopic soft instrument sheath according to claim 6, wherein: the lock catch of the connecting flange is divided into a large lock catch and a small lock catch, the arc lengths of the large lock catch and the small lock catch are the same, and the width of the large lock catch is larger than that of the small lock catch; and the protective sleeve connecting piece is provided with an installation opening, and the large lock catch of the connecting flange is assembled at the installation opening.

8. The novel laparoscopic soft instrument sheath according to any one of claims 1 to 5, wherein: and a sealing ring is arranged between the outer ring of the platform connecting piece and the protective sleeve connecting piece.

9. The novel soft instrument sheath of laparoscope as claimed in claim 1, wherein: and the outer ring wall of the platform connecting piece is provided with an inverted buckle.

10. The novel laparoscopic soft instrument sheath according to claim 1, wherein: and an occlusion bulge and an occlusion groove which are mutually occluded to realize the fixed connection of the incision protective sleeve and the protective sleeve connecting piece are arranged between the incision protective sleeve and the protective sleeve connecting piece.