CN213606558U - Disposable laparoscope soft instrument sheath tube - Google Patents
Disposable laparoscope soft instrument sheath tube Download PDFInfo
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- CN213606558U CN213606558U CN202021721256.9U CN202021721256U CN213606558U CN 213606558 U CN213606558 U CN 213606558U CN 202021721256 U CN202021721256 U CN 202021721256U CN 213606558 U CN213606558 U CN 213606558U
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- rotating sleeve
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- inner rotating
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Abstract
The utility model discloses a soft apparatus sheath pipe of disposable peritoneoscope, including last closing cap, insert the cover and set firmly in last closing cap and insert the rotating assembly between the cover, rotating assembly is used for supporting the closing cap and inserts the relative rotation of cover circumference, makes the surgical instruments who passes the closing cap rotate with the help of last closing cap is nimble, makes the doctor can adjust surgical instruments's operating angle at the operation in-process, and it is more convenient to operate. The rotating assembly comprises an inner rotating sleeve and an outer rotating sleeve which are connected in a rotating mode, a locking assembly is arranged between the inner rotating sleeve and the outer rotating sleeve, and when the inner rotating sleeve and the outer rotating sleeve relatively rotate to a target position along the circumferential direction, the inner rotating sleeve and the outer rotating sleeve are limited by the locking assembly to continue to relatively rotate along the circumferential direction, so that the surgical instrument is prevented from excessively swinging.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a disposable peritoneoscope soft apparatus sheath pipe.
Background
Minimally invasive surgical operations, represented by laparoscopic surgery, have been widely used because of their advantages of less surgical trauma and fast post-operative recovery. When the laparoscopic surgery is carried out, a doctor needs to send surgical instruments such as a puncture outfit, a laparoscope, a surgical grasping forceps and the like into the abdominal cavity of a patient through a wound by means of the disposable laparoscopic soft instrument sheath, and obviously, the disposable laparoscopic soft instrument sheath is a key medical device for the laparoscopic surgery, so that the optimization of the structure of the disposable laparoscopic soft instrument sheath is particularly necessary.
The sheath tube of the existing disposable laparoscope soft instrument generally comprises a top cover, an inner sleeve and an outer sleeve, wherein the outer sleeve is used for inserting a wound, the inner sleeve is fixed on the outer sleeve through threaded connection, the top cover is fixed at one end, far away from the outer sleeve, of the inner sleeve in a clamping connection mode, and a leading-in hole for inserting a surgical instrument is formed in the hole of the top cover. However, the fixed connection between the inner cannula and the outer cannula makes the surgical instrument difficult to realize flexible movement and inconvenient operation.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a sheath tube for a disposable laparoscope soft instrument, wherein a rotation assembly fixedly disposed between an upper sealing cover and an insertion sleeve can support the two to rotate circumferentially relative to each other, so as to flexibly adjust the operation angle of the surgical instrument passing through the upper sealing cover, and the operation is more convenient; a locking assembly used for limiting circumferential rotation of the inner rotating sleeve and the outer rotating sleeve is arranged between the inner rotating sleeve and the outer rotating sleeve, so that the surgical instrument is prevented from excessively swinging.
The utility model provides a disposable laparoscope soft instrument sheath tube, which comprises an upper sealing cover, an insertion sleeve and a rotating component which is fixedly arranged between the upper sealing cover and the insertion sleeve to support the circumferential relative rotation of the upper sealing cover and the insertion sleeve; the rotating assembly comprises an inner rotating sleeve and an outer rotating sleeve which are connected in a rotating mode, and the rotating assembly further comprises a locking assembly which is arranged between the inner rotating sleeve and the outer rotating sleeve to limit the relative rotation of the inner rotating sleeve and the outer rotating sleeve.
Preferably, the locking assembly comprises:
a lock hole arranged between the inner rotating sleeve and the outer rotating sleeve;
and a locking bar which passes through the upper sealing cover and is used for preventing the inner rotating sleeve and the outer rotating sleeve from rotating relatively by being inserted into the locking hole.
Preferably, the locking assembly comprises locking teeth and a latch, one of the inner rotating sleeve and the outer rotating sleeve is provided with a plurality of locking teeth distributed in an annular shape, and the other one of the inner rotating sleeve and the outer rotating sleeve is provided with a latch, and the latch is used for inserting any two adjacent locking teeth to prevent the inner rotating sleeve and the outer rotating sleeve from rotating relatively.
Preferably, a limiting protrusion and a limiting groove which are matched with each other to limit the relative axial movement of the inner rotating sleeve and the outer rotating sleeve are arranged between the inner rotating sleeve and the outer rotating sleeve.
Preferably, one end of the inner rotary sleeve, which is far away from the outer rotary sleeve, is provided with a limiting flange, the bottom end of the upper sealing cover is provided with a stopping flange, and the stopping flange abuts against the limiting flange to limit the axial relative movement of the inner rotary sleeve and the upper sealing cover.
Preferably, the connecting device further comprises a connecting sleeve fixedly connected with the inserting sleeve, a connecting flange is arranged at one end, far away from the inner rotating sleeve, of the outer rotating sleeve, the connecting sleeve is provided with a fixed groove, and the connecting flange is arranged in the fixed groove to limit the axial relative movement of the outer rotating sleeve and the connecting sleeve.
Compared with the prior art, the utility model provides a soft apparatus sheath pipe of disposable peritoneoscope, including last closing cap, insert the cover and set firmly in last closing cap and insert the rotating assembly between the cover, rotating assembly is used for supporting the closing cap and inserts the relative rotation of cover circumference, makes the surgical instruments who passes the closing cap rotate with the help of last closing cap in a flexible way, makes the doctor can adjust surgical instruments's operating angle at the operation in-process, and it is more convenient to operate. In addition, the rotating assembly 4 comprises an inner rotating sleeve 41 and an outer rotating sleeve 42 which are rotatably connected, a locking assembly 7 is arranged between the inner rotating sleeve 41 and the outer rotating sleeve 42, and when the inner rotating sleeve 41 and the outer rotating sleeve 42 are relatively rotated to a target position along the circumferential direction, the locking assembly 7 is operated, so that the inner rotating sleeve 41 and the outer rotating sleeve 42 are limited to continuously rotate relative to each other along the circumferential direction by the locking assembly 7, and thus the surgical instrument is prevented from excessively swinging.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a structural diagram of a sheath of a disposable laparoscope soft instrument according to a first embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of FIG. 1;
FIG. 3 is a view showing the locking hole and the locking bar in FIG. 1;
fig. 4 is a view illustrating the engagement between the locking teeth and the latch in the sheath of the soft disposable laparoscope device according to the second embodiment of the present invention.
The reference numbers are as follows:
the gas transmission device comprises an upper sealing cover 1, a lead-in sleeve 2, a gas transmission joint 3, a rotating component 4, a connecting sleeve 5, an inserting sleeve 6 and a locking component 7;
an inner rotary sleeve 41 and an outer rotary sleeve 42;
a lock lever 701;
a locking tooth 711 and a latch 712.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, fig. 1 is a structural diagram of a sheath of a disposable laparoscope soft instrument according to a first embodiment of the present invention; FIG. 2 is a partial cross-sectional view of FIG. 1; fig. 3 is a matching state diagram of the lock hole and the lock bar in fig. 1.
The embodiment of the utility model discloses soft apparatus sheath pipe of disposable peritoneoscope, including last closing cap 1 with insert cover 6, go up 1 integral type of closing cap and be equipped with gas transmission joint 3 and leading-in cover 2, gas transmission joint 3 all is linked together with the central die cavity that inserts cover 6 with leading-in cover 2. The gas transmission joint 3 is used for inputting gas, the upper sealing cover 1 is symmetrically provided with two gas transmission joints 3, the guide sleeve 2 is provided with a guide hole for guiding the surgical instrument into the insertion sleeve 6, and the guide hole can be an elastic hole. The structure of the gas transmission joint 3 and the introduction sleeve 2 can be found in the prior art.
The utility model discloses still including setting firmly in last closing cap 1 and inserting the rotating assembly 4 between cover 6, rotating assembly 4 can support closing cap 1 and insert 6 circumference relative rotations of cover, makes the surgical instruments who passes closing cap 1 can rotate with the help of last closing cap 1 is nimble, makes the doctor can adjust surgical instruments's operating angle in the operation process, and it is more convenient to operate.
The utility model discloses still include the adapter sleeve 5 that links firmly mutually with inserting cover 6, adapter sleeve 5 with insert the interlock recess and the interlock arch that are equipped with mutual interlock between the cover 6, make adapter sleeve 5 and insert 6 realization of cover and link firmly. The interlock recess specifically locates on adapter sleeve 5, and the interlock is protruding specifically to be located and to insert on the cover 6, certainly exchange interlock recess and interlock bellied position that sets up and do not influence the realization the utility model discloses a purpose.
The rotating assembly 4 comprises an inner rotating sleeve 41 and an outer rotating sleeve 42 which are rotatably connected, and the outer rotating sleeve 42 is sleeved on the periphery of the inner rotating sleeve 41. The rotating component 4 is specifically fixedly connected between the connecting sleeve 5 and the upper sealing cover 1, so that the upper sealing cover 1 and the inserting sleeve 6 realize relative rotation. The inner rotary sleeve 41 and the upper sealing cover 1 and the outer rotary sleeve 42 and the connecting sleeve 5 are fixedly connected in a cementing and sealing mode.
And a limiting protrusion and a limiting groove which are matched with each other are arranged between the inner rotating sleeve 41 and the outer rotating sleeve 42 so as to limit the relative movement of the inner rotating sleeve 41 and the outer rotating sleeve 42 along the axial direction and prevent the inner rotating sleeve 41 and the outer rotating sleeve 42 from being separated. Specifically, the limiting protrusion is disposed on the inner side of the top end of the outer rotating sleeve 42, and the limiting groove is disposed on the outer periphery of the top end of the inner rotating sleeve 41. The outer rotating sleeve 42 may be composed of a plurality of limiting protrusions uniformly distributed in an annular shape, and the limiting groove may be an annular groove, but is not limited thereto.
In order to limit the axial relative movement of the inner rotary sleeve 41 and the upper seal cover 1, a limit flange is arranged at one end of the inner rotary sleeve 41, which is far away from the outer rotary sleeve 42, a stop flange is arranged at the bottom end of the upper seal cover 1, and the bottom end of the stop flange is abutted against the top end of the limit flange.
In order to limit the axial relative movement of the outer rotating sleeve 42 and the connecting sleeve 5, a connecting flange is arranged at one end of the outer rotating sleeve 42, which is far away from the inner rotating sleeve 41, a fixing groove is arranged on the connecting sleeve 5, the connecting flange is arranged in the fixing groove, and the top end of the connecting flange is abutted against the bottom end of the fixing groove.
In order to prevent the surgical instrument from swinging excessively, the utility model discloses still including locating locking subassembly 7 between interior swivel mount 41 and the outer swivel mount 42, when interior swivel mount 41 and outer swivel mount 42 relatively rotate to the target location along circumference, locking subassembly 7 functions to utilize locking subassembly 7 to inject interior swivel mount 41 and outer swivel mount 42 and continue the relative rotation along circumference.
In the first embodiment, the locking assembly 7 includes a locking hole and a locking rod 701, and the locking hole is disposed between the inner rotating sleeve 41 and the outer rotating sleeve 42. Specifically, the lock hole is composed of a through hole penetrating through a limit flange arranged at the top end of the inner rotating sleeve 41 and a blind hole arranged at the top end of the outer rotating sleeve 42. After the lock rod 701 passes through the upper cover 1, the lock rod 701 enters into the lock hole, thereby preventing the inner rotary sleeve 41 and the outer rotary sleeve 42 from rotating relatively. Accordingly, the upper cover 1 is provided with a through hole through which the locking bar 701 passes.
Referring to fig. 4, fig. 4 is a diagram illustrating a state of the engagement between the locking teeth and the latch in the sheath of the disposable laparoscope soft instrument according to the second embodiment of the present invention.
The second embodiment mainly changes the structure and the arrangement position of the locking member 7 compared to the first embodiment. In the second embodiment, the locking assembly 7 comprises a locking tooth 711 and a locking pin 712, one of the inner rotary sleeve 41 and the outer rotary sleeve 42 is provided with a plurality of locking teeth 711 distributed in a ring shape, and the other is provided with the locking pin 712, and the locking pin 712 can be inserted into any two adjacent locking teeth 711 to prevent the inner rotary sleeve 41 and the outer rotary sleeve 42 from rotating relatively.
Specifically, a support seat is fixedly arranged on a limit flange arranged at the top end of the inner rotary sleeve 41, the latch 712 is in threaded connection with the support seat, a plurality of locking teeth 711 are arranged on the periphery of the outer rotary sleeve 42, and when the inner rotary sleeve 41 and the outer rotary sleeve 42 relatively rotate to a target position along the circumferential direction, the latch 712 is inserted between the two opposite locking teeth 711, so that the inner rotary sleeve 41 and the outer rotary sleeve 42 are prevented from relatively rotating.
Of course, the structure of the locking assembly 7 is not limited to the two specific embodiments described above, and other similar structures may be used instead.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A disposable laparoscope soft instrument sheath tube is characterized by comprising an upper sealing cover (1), an insertion sleeve (6) and a rotating assembly (4) which is fixedly arranged between the upper sealing cover (1) and the insertion sleeve (6) and supports the circumferential relative rotation of the upper sealing cover and the insertion sleeve; the rotating assembly (4) comprises an inner rotating sleeve (41) and an outer rotating sleeve (42) which are connected in a rotating mode, and further comprises a locking assembly (7) which is arranged between the inner rotating sleeve (41) and the outer rotating sleeve (42) to limit relative rotation of the inner rotating sleeve and the outer rotating sleeve.
2. The disposable laparoscopic soft instrument sheath according to claim 1, wherein said locking assembly (7) comprises:
a lock hole arranged between the inner rotary sleeve (41) and the outer rotary sleeve (42);
and the lock rod (701) penetrates through the upper sealing cover (1) and is used for preventing the inner rotating sleeve (41) and the outer rotating sleeve (42) from rotating relatively by being inserted into the lock hole.
3. The sheath of the disposable laparoscope soft instrument as recited in claim 2, wherein the locking assembly (7) comprises locking teeth (711) and a latch (712), one of the inner rotating sleeve (41) and the outer rotating sleeve (42) is provided with a plurality of locking teeth (711) distributed in a ring shape, the other is provided with the latch (712), and the latch (712) is used for inserting any two adjacent locking teeth (711) so as to prevent the inner rotating sleeve (41) and the outer rotating sleeve (42) from rotating relatively.
4. The sheath of one-time laparoscope soft instrument as recited in any one of claims 1 to 3, wherein a limiting protrusion and a limiting groove are arranged between the inner rotating sleeve (41) and the outer rotating sleeve (42) and cooperate with each other to limit the relative axial movement therebetween.
5. The sheath for the disposable laparoscopic soft instrument according to any one of claims 1 to 3, wherein an end of the inner rotating sleeve (41) far from the outer rotating sleeve (42) is provided with a limiting flange, and a bottom end of the upper cover (1) is provided with a stopping flange which abuts against the limiting flange to limit the axial relative movement of the inner rotating sleeve (41) and the upper cover (1).
6. The sheath of the disposable laparoscope soft instrument as recited in any one of claims 1 to 3, further comprising a connecting sleeve (5) fixedly connected to the insertion sleeve (6), wherein a connecting flange is provided at an end of the outer rotating sleeve (42) away from the inner rotating sleeve (41), the connecting sleeve (5) is provided with a fixing groove, and the connecting flange is mounted in the fixing groove to limit axial relative movement between the outer rotating sleeve (42) and the connecting sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721256.9U CN213606558U (en) | 2020-08-17 | 2020-08-17 | Disposable laparoscope soft instrument sheath tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721256.9U CN213606558U (en) | 2020-08-17 | 2020-08-17 | Disposable laparoscope soft instrument sheath tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213606558U true CN213606558U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021721256.9U Active CN213606558U (en) | 2020-08-17 | 2020-08-17 | Disposable laparoscope soft instrument sheath tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213606558U (en) |
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2020
- 2020-08-17 CN CN202021721256.9U patent/CN213606558U/en active Active
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