CN113425394A

CN113425394A - Disposable puncture ware sealing mechanism

Info

Publication number: CN113425394A
Application number: CN202110824293.5A
Authority: CN
Inventors: 王春华; 桑小林; 赵红; 张佳锴; 龚鹏飞
Original assignee: Changzhou Ankang Medical Equipment Co ltd
Current assignee: Changzhou Ankang Medical Equipment Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-09-24
Anticipated expiration: 2041-07-21
Also published as: CN113425394B

Abstract

The invention discloses a sealing mechanism of a disposable puncture outfit, which comprises a shell, a sliding ring, a rubber ring, a collecting disc, a first sealing inclined platform and a second sealing inclined platform, wherein the outer side of the top of the shell is in threaded connection with a rotary cover, an opening is formed in the center of the rotary cover, an annular ejecting part is fixed inside the rotary cover, the bottom of the annular ejecting part is provided with the sliding ring in an attaching manner, a first groove and a second groove are formed inside the shell, the bottom of the first groove is communicated with the top of the second groove, and the sliding ring is arranged inside the first groove. This disposable puncture ware sealing mechanism is provided with sliding ring, rubber circle and rubber membrane, and when the spiral cover promoted the sliding ring through annular ejecting member and moves down, the sliding ring pulled rubber membrane and rubber circle, made the rubber circle internal diameter strengthen, and the surgical instruments of being convenient for passed the rubber circle, avoided surgical instruments fish tail rubber membrane, lead to the rubber membrane to tear the scheduling problem easily, and the sealed sloping platform of first sealed sloping platform and second cooperates seals the puncture pipe simultaneously, avoids patient's abdominal cavity inside gas leakage.

Description

Disposable puncture ware sealing mechanism

Technical Field

The invention relates to the technical field of puncture outfit sealing mechanisms, in particular to a disposable puncture outfit sealing mechanism.

Background

In order to separate the abdominal wall from the organs during the puncture operation, a pneumoperitoneum needs to be established, and a good sealing mechanism can still provide a good sealing effect after the surgical instrument passes through the puncture outfit.

The existing disposable puncture outfit is generally of an integral structure, a rubber membrane is installed inside a sealing mechanism after leaving a factory, the rubber membrane is generally made of natural rubber, the storage life of the rubber membrane is far shorter than that of other parts, so that the integral shelf life of the disposable puncture outfit is short, the disposable puncture outfit is not practical enough to use, in the actual use process, the head of a surgical instrument is generally a special-shaped part, the existing rubber membrane completely seals the puncture outfit, when the surgical instrument punctures the rubber membrane, a through hole formed in the surface of the rubber membrane is irregular in shape, the puncture outfit is not only easy to tear, but also difficult to perfectly fit the outer side of a connecting handle of the surgical instrument, the sealing effect is poor, the existing sealing structure is only suitable for penetrating through a hard tool, after the lesion tissue is cut off, the lesion tissue is difficult to completely take out through the rubber membrane, the use difficulty of the sealing mechanism is further increased, and the problems are solved, improvements to existing equipment are needed.

Disclosure of Invention

The object of the present invention is to provide a sealing mechanism of a disposable puncture outfit, which solves the problems mentioned above, such as the prior art, that the disposable puncture outfit is generally of an integral structure, and the rubber membrane is installed inside the sealing mechanism after the disposable puncture outfit leaves the factory, and the rubber membrane is generally made of natural rubber, the storage life of the disposable puncture outfit is far shorter than that of other parts, so that the whole quality guarantee period of the disposable puncture outfit is short, the disposable puncture outfit is not practical enough to use, the existing rubber membrane usually completely seals the puncture outfit, when the rubber membrane is pierced by a surgical instrument, the through hole formed in the surface of the rubber membrane is irregular in shape, not only is the rubber membrane easy to tear, but also the rubber membrane is difficult to perfectly attach to the outer side of the connecting handle of the surgical instrument, so that the sealing effect is poor, and the existing sealing structure is only suitable for penetrating through a hard tool, after the lesion tissue is cut off, the lesion tissue is difficult to be completely taken out through the rubber membrane, and the use difficulty of the sealing mechanism is further increased.

In order to achieve the purpose, the invention provides the following technical scheme: a sealing mechanism of a disposable puncture device comprises a shell, a sliding ring, a rubber ring, a collecting disc, a first sealing inclined platform and a second sealing inclined platform,

the outer side of the top of the shell is in threaded connection with a spiral cover, an opening is formed in the center of the spiral cover, an annular top piece is fixed inside the spiral cover, a sliding ring is arranged at the bottom of the annular top piece in a laminating mode, a first groove and a second groove are formed inside the shell, the bottom of the first groove is communicated with the top of the second groove, the sliding ring is arranged inside the first groove, the outer side of the sliding ring is connected with the inner wall of the first groove through splines, a compression spring is arranged between the bottom of the sliding ring and the inner wall of the first groove, a rubber film is fixed on the inner side of the sliding ring, a rubber ring is fixed at the center of the rubber film, a sealing ring is fixed inside the first groove, a fillet is formed in the top of the sealing ring, and the top of the fillet is attached to the bottom of the rubber film;

a sliding groove is formed in the outer side of the second groove, a flange is connected to the inner side of the sliding groove in a sliding mode, the flange is fixed to the outer side of the collecting disc, the collecting disc is suspended in the second groove in a hanging mode, a limiting block is fixed to the bottom of one side of the collecting disc and is connected to the inner side of the limiting groove in a sliding mode, the limiting groove is formed in the bottom of the second groove, a screw is connected to the inner side of the limiting groove in a rotating mode, one end of the screw penetrates through the shell to be connected with the knob, and the middle of the screw penetrates through the limiting block and is connected with the limiting block in a threaded mode;

the fixed intercommunication in casing bottom has the puncture pipe, the inside first sealed sloping platform that is fixed with of second recess, and the through-hole has been seted up at first sealed sloping platform center, the catch tray bottom is fixed with the sealed sloping platform of second, the fixed intercommunication in casing one side has the connecting pipe, and connecting pipe and puncture pipe are linked together, and connecting pipe internally mounted has the control valve simultaneously.

Preferably, the central line of the opening, the central line of the rubber ring and the central line of the puncture tube are superposed, and the inner diameter of the opening is larger than that of the puncture tube,

by adopting the scheme, the surgical instrument can conveniently and sequentially pass through the opening, the rubber ring and the puncture tube.

Preferably, the distance between the lowest end of the slip ring and the lowest end of the first groove is equal to the distance of the screw cap moving up and down outside the shell,

through adopting above-mentioned scheme, when the spiral cover moved down in the casing outside, the spiral cover promoted the sliding ring through annular ejecting piece and moves down, was convenient for promote the sliding ring to first recess downside.

Preferably, the bottom of the compression spring is fixed in the first groove, the top of the compression spring is attached to the bottom of the slip ring,

through adopting above-mentioned scheme, compression spring fixes inside first recess, and inside the sliding ring slided and gets into first recess, the compression spring contact sliding ring of being convenient for and provide the resilience force for the sliding ring.

Preferably, the material of the rubber membrane and the material of the rubber ring are both natural rubber,

by adopting the scheme, the rubber film and the rubber ring have more excellent elongation.

Preferably, the center line of the sealing ring is superposed with the center line of the slip ring and the center line of the rubber film, and the rubber film is fixedly connected with the lowest end of the slip ring,

by adopting the scheme, when the sealing ring is matched with the sliding ring to pull the rubber film, the peripheral stress of the rubber film is more balanced.

Preferably, the length dimension of the collecting tray is less than half of the length dimension of the second recess,

by adopting the scheme, the surgical instrument can conveniently pass through the first groove and the second groove by completely utilizing the collecting disc and the first groove.

Preferably, the connection position of the screw and the shell is in rotary sealing connection,

through adopting above-mentioned scheme, avoid the inside gas of disposable puncture ware to leak through screw rod and casing junction.

Preferably, the first sealing sloping platform and the second sealing sloping platform are arranged in a rotational symmetry manner and are positioned on the same horizontal plane,

by adopting the scheme, when the second sealing inclined platform moves right above the first sealing inclined platform, the first sealing inclined platform and the second sealing inclined platform are convenient to cooperate to seal the puncture tube.

Compared with the prior art, the invention has the beneficial effects that: the sealing mechanism of the disposable puncture outfit is provided with a sealing ring,

(1) the disposable puncture outfit is provided with the rotary cover, the sliding ring and the sealing ring, the sliding ring is placed in the first groove in a sliding manner before use, the rotary cover is rotated to enable the annular top piece in the rotary cover to extrude the sliding ring to move downwards, meanwhile, the rubber film on the inner side of the sliding ring is attached to the round angle on the top of the sealing ring, and the sealing effect is achieved by attaching the rubber film to the round angle, so that the sliding ring is convenient to mount quickly;

(2) the rubber ring is arranged on the rotary cover, the rotary cover pushes the sliding ring to move downwards through the annular jacking piece, the sliding ring pulls the rubber film and the rubber ring, the inner diameter of the rubber ring is enlarged, surgical instruments can conveniently penetrate through the rubber ring, the problem that the rubber film is easily torn due to the fact that the surgical instruments scratch the rubber film is solved, meanwhile, the first sealing inclined table and the second sealing inclined table are matched to seal the puncture pipe, and gas leakage in the abdominal cavity of a patient is avoided;

(3) be provided with catch tray and screw rod, inside surgical instruments excision patient pathological change tissue snatched and taken out pathological change tissue got into first recess, the screw rod promoted the stopper and slides in the spacing groove, makes the catch tray remove under first recess, is convenient for put into the catch tray with pathological change tissue inside, and the contrarotation knob makes the catch tray reset afterwards, and the doctor of being convenient for uses surgical instruments to carry out subsequent treatment, uses to get up more and has the practicality.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the seal ring in an open state;

FIG. 3 is a schematic diagram of a left side view cross-sectional structure of the present invention;

FIG. 4 is a schematic top cross-sectional view of the present invention;

FIG. 5 is a schematic bottom view of the screw cap of the present invention;

fig. 6 is a schematic front sectional view of the housing according to the present invention.

In the figure: 1. the sealing device comprises a shell, 2, a screw cap, 3, an opening, 4, an annular top piece, 5, a sliding ring, 6, a first groove, 7, a second groove, 8, a compression spring, 9, a rubber film, 10, a rubber ring, 11, a sealing ring, 12, a fillet, 13, a sliding groove, 14, a flange, 15, a collecting disc, 16, a limiting block, 17, a limiting groove, 18, a screw rod, 19, a knob, 20, a puncture pipe, 21, a first sealing inclined table, 22, a through hole, 23, a second sealing inclined table, 24, a connecting pipe, 25 and a control valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-6, the present invention provides a technical solution: a disposable puncture device sealing mechanism is disclosed, as shown in figure 1, figure 2, figure 5 and figure 6, a screw cap 2 is connected with the outer side of the top of a shell 1 through a screw thread, an opening 3 is arranged at the center of the screw cap 2, the center line of the opening 3, the center line of a rubber ring 10 and the center line of a puncture tube 20 are overlapped, the inner diameter size of the opening 3 is larger than the inner diameter size of the puncture tube 20, an operation can conveniently and sequentially pass through the opening 3, the rubber ring 10 and the puncture tube 20, the opening 3 is prevented from blocking the movement of an operation instrument, an annular top part 4 is fixed in the screw cap 2, a sliding ring 5 is arranged at the bottom of the annular top part 4 in a fitting manner, the distance between the lowest end of the sliding ring 5 and the lowest end of a first groove 6 is equal to the distance of the screw cap 2 moving up and down on the outer side of the shell 1, the sliding ring 5 is pushed to descend through the annular top part 4 while the, the inner part of the shell 1 is provided with a first groove 6 and a second groove 7, the bottom of the first groove 6 is communicated with the top of the second groove 7, the sliding ring 5 is arranged in the first groove 6, the outer side of the sliding ring 5 is connected with the inner wall of the first groove 6 through splines, meanwhile, a compression spring 8 is arranged between the bottom of the sliding ring 5 and the inner wall of the first groove 6, the bottom of the compression spring 8 is fixed in the first groove 6, the top of the compression spring 8 is attached to the bottom of the sliding ring 5, the sliding ring 5 is slidingly placed in the first groove 6 to be attached to the compression spring 8, the compression spring 8 provides resilience for the sliding ring 5, the use is more convenient, a rubber film 9 is fixed on the inner side of the sliding ring 5, a rubber ring 10 is fixed at the center of the rubber film 9, the material of the rubber film 9 and the material of the rubber ring 10 are both natural rubber, the rubber film 9 and the rubber ring 10 obtain good resilience effect, and the disposable puncture instrument can repeatedly pass through various surgical instruments conveniently, first recess 6 is inside to be fixed with sealing ring 11, and fillet 12 has been seted up at sealing ring 11 top, 12 tops in fillet laminating rubber membrane 9 bottoms, the coincidence of the central line of 11 central lines of sealing ring and sliding ring 5 and the central line of rubber membrane 9, and rubber membrane 9 and sliding ring 5 bottom end fixed connection, when rubber membrane 9 descends along first recess 6, fillet 12 and the sliding ring 5 cooperation at sealing ring 11 top are dragged rubber membrane 9 and rubber circle 10, rubber membrane 9 and rubber circle 10 atress are more balanced, it is circular still to be after dragging to make rubber circle 10.

As shown in fig. 1, 2, 3 and 4, a sliding groove 13 is formed on the outer side of the second groove 7, a flange 14 is slidably connected inside the sliding groove 13, the flange 14 is fixed on the outer side of the collecting tray 15, the collecting tray 15 is suspended inside the second groove 7, the length of the collecting tray 15 is less than half of the length of the second groove 7, the collecting tray 15 is conveniently and completely retracted into one side of the second groove 7, the influence of the collecting tray 15 on the movement of surgical instruments is avoided, a limiting block 16 is fixed at the bottom of one side of the collecting tray 15, the limiting block 16 is slidably connected inside a limiting groove 17, the limiting groove 17 is formed at the bottom of the second groove 7, a screw 18 is rotatably connected inside the limiting groove 17, the joint of the screw 18 and the housing 1 is rotatably and hermetically connected, the sealing effect between the screw 18 and the housing 1 is improved, the leakage of the disposable puncture set is avoided, one end of the screw 18 penetrates through, the middle part of the screw 18 penetrates through the limit block 16 and is connected with the limit block through threads, the bottom of the shell 1 is fixedly communicated with a puncture tube 20, the inside of the second groove 7 is fixedly provided with a first sealing inclined platform 21, and the center of the first sealing sloping platform 21 is provided with a through hole 22, the first sealing sloping platform 21 and the second sealing sloping platform 23 are arranged in a rotational symmetry manner, and the first sealing sloping platform 21 and the second sealing sloping platform 23 are positioned on the same horizontal plane, the collecting tray 15 moves in the second groove 7 until the central line of the first sealing sloping platform 21 coincides with the second sealing sloping platform 23, at this time, the top of the first sealing sloping platform 21 is attached to the bottom of the second sealing sloping platform 23 to play a role of quickly sealing the puncture tube 20, the second sealing sloping platform 23 is fixed at the bottom of the collecting tray 15, a connecting pipe 24 is fixedly communicated with one side of the shell 1, and the connection tube 24 is communicated with the puncture tube 20, and a control valve 25 is installed inside the connection tube 24.

The working principle is as follows: when the disposable puncture outfit sealing mechanism is used, firstly, the sliding ring 5 is placed in the first groove 6 in a sliding way, the screw cap 2 is rotated, the screw cap 2 is in threaded connection with the shell 1, meanwhile, the annular top piece 4 in the screw cap 2 pushes the sliding ring 5 to move downwards, so that the rubber membrane 9 at the inner side of the sliding ring 5 is attached to the round angle 12 at the top of the sealing ring 11, the rubber membrane 9 is kept separately from the disposable puncture outfit main body, and the disposable puncture outfit is quickly assembled when in use, so that the production and the storage according to the characteristics of materials are convenient, the problem that the disposable puncture outfit is scrapped due to the aging of the rubber membrane 9 and the rubber ring 10 made of natural rubber materials is avoided, the disposable puncture outfit has more practicability when in use, after the disposable puncture outfit is punctured into the abdominal cavity of a patient, the control valve 25 is opened, the gas pressurization equipment transmits gas into the abdominal cavity of the patient through the connecting pipe 24, the rotary cap 2 is continuously rotated, the rotary cap 2 further pushes the sliding ring 5 to move downwards through the annular top piece 4, the sliding ring 5 is matched with the round angle 12 to pull the rubber membrane 9 and the rubber ring 10, the rubber membrane 9 and the rubber ring 10 are deformed, the inner diameter of the rubber ring 10 is increased at the moment, surgical instruments can conveniently pass through the rubber ring 10, then the screw cap 2 is rotated reversely, the compression spring 8 pushes the sliding ring 5 to reset, the rubber membrane 9 and the rubber ring 10 rebound to be tightly attached to a connecting handle of the surgical instruments, the rubber membrane 9 is prevented from being scratched by the surgical instruments, the sealing effect of the rubber ring 10 on the disposable puncture outfit is improved, the knob 19 is rotated, the knob 19 drives the screw rod 18 to rotate, the screw rod 18 pushes the limiting block 16 to slide in the limiting groove 17, the collecting disc 15 moves along with the screw rod, the limiting block 16 is matched with the limiting groove 17 to limit the sliding direction of the collecting disc 15, the collecting disc 15 slides more smoothly in the second groove 7 until the collecting disc 15 is separated from the position under the first groove 6, at the moment, the first sealing inclined table 21 is separated from the second sealing inclined table 23 to be in sealing connection, and the surgical instruments continue to stretch into the surgical instruments, make surgical instruments get into patient's belly through-hole 22 and puncture tube 20, after the operation has cut patient's pathological change tissue, make surgical instruments upwards snatch pathological change tissue, until pathological change tissue removes inside first recess 6, and in a similar way, the contra-rotation knob 19 makes the catch tray 15 remove under first recess 6, be convenient for deposit pathological change tissue temporarily inside catch tray 15, need not to pass pathological change tissue rubber membrane 9, it is more convenient to use, this has just accomplished whole work, the content that does not make detailed description in this description belongs to the prior art that the professional skilled in the art is known.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a disposable puncture ware sealing mechanism, includes casing (1), sliding ring (5), rubber circle (10), catch tray (15), first sealed sloping platform (21) and second sealed sloping platform (23), its characterized in that:

the outer side of the top of the shell (1) is in threaded connection with a spiral cover (2), an opening (3) is formed in the center of the spiral cover (2), an annular top piece (4) is fixed inside the spiral cover (2), a sliding ring (5) is arranged at the bottom of the annular top piece (4) in a fit mode, a first groove (6) and a second groove (7) are formed inside the shell (1), the bottom of the first groove (6) is communicated with the top of the second groove (7), the sliding ring (5) is arranged inside the first groove (6), the outer side of the sliding ring (5) is connected with a spline on the inner wall of the first groove (6), a compression spring (8) is arranged between the bottom of the sliding ring (5) and the inner wall of the first groove (6), a rubber membrane (9) is fixed on the inner side of the sliding ring (5), a rubber ring (10) is fixed in the center of the rubber membrane (9), and a sealing ring (11) is fixed inside the first groove (6), the top of the sealing ring (11) is provided with a round angle (12), and the top of the round angle (12) is attached to the bottom of the rubber film (9);

a sliding groove (13) is formed in the outer side of the second groove (7), a flange (14) is connected to the inner portion of the sliding groove (13) in a sliding mode, the flange (14) is fixed to the outer side of the collecting disc (15), the collecting disc (15) is suspended inside the second groove (7), a limiting block (16) is fixed to the bottom of one side of the collecting disc (15), the limiting block (16) is connected to the inner portion of a limiting groove (17) in a sliding mode, the limiting groove (17) is formed in the bottom of the second groove (7), a screw rod (18) is connected to the inner portion of the limiting groove (17) in a rotating mode, one end of the screw rod (18) penetrates through the shell (1) and is connected with a knob (19), and the middle of the screw rod (18) penetrates;

casing (1) bottom fixed intercommunication has puncture pipe (20), second recess (7) inside is fixed with first sealed sloping platform (21), and through-hole (22) have been seted up at first sealed sloping platform (21) center, catch tray (15) bottom is fixed with the sealed sloping platform of second (23), casing (1) one side fixed intercommunication has connecting pipe (24), and connecting pipe (24) are linked together with puncture pipe (20), and connecting pipe (24) internally mounted has control valve (25) simultaneously.

2. A disposable piercer sealing mechanism according to claim 1, wherein: the central line of the opening (3), the central line of the rubber ring (10) and the central line of the puncture tube (20) are superposed, and the inner diameter of the opening (3) is larger than that of the puncture tube (20).

3. A disposable piercer sealing mechanism according to claim 1, wherein: the distance between the lowest end of the slip ring (5) and the lowest end of the first groove (6) is equal to the distance of the screw cap (2) moving up and down on the outer side of the shell (1).

4. A disposable piercer sealing mechanism according to claim 1, wherein: the bottom of the compression spring (8) is fixed in the first groove (6), and the top of the compression spring (8) is attached to the bottom of the sliding ring (5).

5. A disposable piercer sealing mechanism according to claim 1, wherein: the rubber membrane (9) and the rubber ring (10) are both made of natural rubber.

6. A disposable piercer sealing mechanism according to claim 1, wherein: the center line of the sealing ring (11) is superposed with the center line of the sliding ring (5) and the center line of the rubber film (9), and the rubber film (9) is fixedly connected with the lowest end of the sliding ring (5).

7. A disposable piercer sealing mechanism according to claim 1, wherein: the length dimension of the collecting tray (15) is less than half of the length dimension of the second groove (7).

8. A disposable piercer sealing mechanism according to claim 1, wherein: the connection part of the screw rod (18) and the shell (1) is in rotary sealing connection.

9. A disposable piercer sealing mechanism according to claim 1, wherein: the first sealing sloping platform (21) and the second sealing sloping platform (23) are arranged in a rotational symmetry mode, and the first sealing sloping platform (21) and the second sealing sloping platform (23) are located on the same horizontal plane.