CN208464154U

CN208464154U - Operating device for abdominal operation

Info

Publication number: CN208464154U
Application number: CN201720975538.3U
Authority: CN
Inventors: 张宏宇; 林立; 梁永才
Original assignee: Chongqing Jiaotong University; Chongqing Medical University
Current assignee: Chongqing Jiaotong University; Chongqing Medical University
Priority date: 2017-08-04
Filing date: 2017-08-04
Publication date: 2019-02-05
Anticipated expiration: 2027-08-04

Abstract

The utility model discloses a kind of operating devices for abdominal operation, including the intermediate expansion cylinder for forming operation path, the expansion cylinder is pre-small post-large and outer circle arc-shaped transition from the front to the back, the outer circle front end of the expansion cylinder is provided with the locking trunnion for avoiding expansion cylinder from exiting, and the outer circle upper end of the expansion cylinder is provided with the fixation trunnion for expansion cylinder to be fixed on to patient and suturing with patient skin；Multiple stamp bayonets being connected to operation path can be fixedly installed around the inner cover of expansion cylinder central axis circumferential direction reciprocating rotation, the inner cover by being provided at the top of the expansion cylinder；The expansion cylinder side wall is provided with air inlet and venthole；It rotates conducive to operation tool to be operated from different perspectives to affected part, while easy to operate, it is convenient, it avoids guaranteeing patient's quick recovery to patient's secondary insult；Seal assembly is conducive to improve the passability and leakproofness of stamp bayonet simultaneously, is conducive to improve surgical procedure efficiency.

Description

Operating device for abdominal operation

Technical field

The utility model relates to medical instruments fields, and in particular to a kind of operating device for abdominal operation.

Background technique

In the case where carrying out out abdominal incision operation to patient, opens abdominal incision position greatly and the bleeding generated when performing the operation is more, Therefore, the recovery of postoperative patient is slow, and leaves big scar, also makes troubles to the life of patient.It is such in order to overcome The drawbacks of opening abdominal incision operation generallys use the new operation methods such as minimum invasion operation and No-scar surgery；And without scar hand Art is to be transferred operation tool to the operative site for being located at patient's body by hole existing for human body natural, avoids cutting patient's Body, the amount of bleeding compared to abdominal substantially reduce, therefore the recovery time of postoperative patient shortens, and external scar is small, and In the prior art, single-hole operation passage, single hole operation in intraperitoneal operation, are being formed by expansion anus by anal orifice Channel is arranged multiple accesses for the anus of each operation tool insertion patient and passes through operation path to the internal Surgery of patient Operation is implemented in position, and the existing operating device for forming single-hole operation passage generally passes through external hand to fix or fix device solid It is fixed, so that fixed unstable or cause doctor operating space limited, it is convenient to be unfavorable for surgical procedure, and when each access need to rotate General unitary rotation operating device causes fixed precision decline and the operating difficulties of operating device, easily causes patient's secondary injury, It is unfavorable for patient's quick recovery.

Therefore, in order to solve the above problem, a kind of operating device for abdominal operation is needed, operating device can be facilitated solid It is fixed to stablize, guarantee that the fixed precision of fixed device is high, guarantee that surgical procedure space is big, and is conducive to operation tool and rotates with never Affected part is operated with angle, while easy to operate, it is convenient, it avoids guaranteeing patient's quick recovery to patient's secondary insult.

Utility model content

In view of this, providing the behaviour for abdominal operation the purpose of the utility model is to overcome defect in the prior art Make device, operating device fixing-stable can be facilitated, guarantees that the fixed precision of fixed device is high, guarantee that surgical procedure space is big, And it is conducive to operation tool to rotate from different perspectives to operate affected part, while easy to operate, it is convenient, it avoids to the secondary wound of patient Wound guarantees patient's quick recovery.

The operating device for abdominal operation of the utility model, it is described including the intermediate expansion cylinder for forming operation path Expand that cylinder is pre-small post-large and outer circle arc-shaped transition, the outer circle front end of the expansion cylinder are provided with for avoiding expansion cylinder from the front to the back The locking trunnion exited, the outer circle upper end of the expansion cylinder are provided with for being fixed expansion cylinder and suturing with patient skin In the fixation trunnion of patient；Being provided at the top of the expansion cylinder can be around the inner cover of expansion cylinder central axis circumferential direction reciprocating rotation, institute It states inner cover and is fixedly installed multiple stamp bayonets being connected to operation path；The expansion cylinder side wall is provided with air inlet and outlet Hole.

Further, it is rotatably assorted in a manner of it can be limited between the inner cover and expansion cylinder.

Further, further include be fixed on expansion cylinder top and for be axially fixed inner cover positioning outer ring and be used for and institute It states positioning outer ring and is engaged by clamping and realize that inner cover is fixed on the lock of outer ring, positioning outer ring inner circle, which is provided with, multiple circumferentially divides The locating slot of cloth, it is described lock and inner cover connected in such a way that single-degree-of-freedom is radially slided and latch can radially slide after insert Enter and realizes inner cover locking in locating slot.

Further, it is provided between the lock and inner cover for latching the axial fixing mechanism being axially fixed in inner cover With for radially located radially sliding positioning mechanism to latching.

Further, the lock is rectangle slide plate, formed on the outside of the inner cover upper surface for rectangle slide plate circumferentially The radial groove of limit, the rectangle slide plate is installed in radial groove and be provided with can be conformal in the radial outer end face of rectangle slide plate It is embedded in the clamp of locating slot；The axial fixing mechanism includes the axial bayonet for being set to radial groove slot bottom, under rectangle slide plate End face is fixedly installed axial block tongue, and the axial direction block tongue is locked to axial bayonet, axial block tongue and axial bayonet edge along axial direction Radially slide cooperation；The positioning mechanism that radially slides includes being set to rectangle slide plate in the arc positioning of circumferential two sides Slot, the arc positioning groove are set as radially arranged side by side two in rectangle slide plate unilateral side, and the inner sidewall of the radial groove is set It is equipped with the arc convex with arc positioning groove cooperation.

Further, the stamp bayonet is provided with for close to being sealed between the instrument and inner cover protruded into expansion shape cylinder Sealing assembly, the seal assembly form the sealing insert port of variable dimension in inverted conical shape and bottom.

Further, the seal assembly at least from top to bottom successively include be inverted conical shape the first rubber seal cover and Second rubber seal cover, the thickness of the first rubber seal cover are greater than the close of the second rubber seal cover and the first rubber seal cover bottom The size for sealing insert port is greater than the sealing insert port of the second rubber seal cover bottom.

Further, the first rubber seal cover is slapped together by four a quarter inverted cone pieces, and two neighboring four points One of be provided with gap between inverted cone piece；The second rubber seal cover is four and overlapped setting, each second rubber Glue seal closure is respectively arranged with the notch of a quarter inverted cone-shaped and four notches are along axial mutual dislocation setting.

Further, the seal assembly successively further includes rubber washer, seal disc, upper positioning disk, lower positioning from top to bottom Disk is covered with fixed, is provided with mouth, the upper positioning disk among the seal disc, upper positioning disk, lower positioning disk and fixed lid Circumferentially distributed multiple upper positioning columns and lower positioning column, the radial direction of the seal disc is respectively set with the upper surface of lower positioning disk Inside is provided with upper location hole corresponding with upper positioning column, the first rubber seal cover upper end and the second rubber seal cover upper end It is respectively provided with flange, the flange is provided with lower Positioning holes corresponding with lower positioning column, and the fixed lid is fixed under inner cover upwards End face simultaneously presses on positioning disk lower end surface after compressing lower positioning disk upwards lower positioning column being made to pass through lower Positioning holes from lower to upper, on Positioning column passes through the lower end surface that rubber washer is pressed on after location hole from lower to upper, and the upward low pressure of rubber washer is under inner cover End face, it is the sealing ring of S-shaped that the radial outside of the seal disc, which is provided with and forms the section of sealing between inner cover and fixed lid, Portion.

Further, the positioning outer ring is detachably secured to expansion cylinder upper end by clamp button of the spring component.

The beneficial effects of the utility model are: a kind of operating device for abdominal operation disclosed by the utility model, leads to The expansion cylinder with fixed trunnion is crossed, operating device fixing-stable is facilitated, guarantees that the fixed precision of fixed device is high, guarantees operation Operating space is big, and inner cover can be rotated, and is conducive to operation tool and rotates to operate from different perspectives to affected part, while operating letter It is single, it is convenient, it avoids guaranteeing patient's quick recovery to patient's secondary insult；Seal assembly is conducive to improve passing through for stamp bayonet simultaneously Property and leakproofness, avoid the smog interference that the visual field is generated in operation path when laser cutting, and inner cover rotation and positioning are steady It is fixed, it is easy to operate, it is conducive to improve surgical procedure efficiency.

Detailed description of the invention

The utility model is further described with reference to the accompanying drawings and examples:

Fig. 1 is the axial explosive view of the utility model；

Fig. 2 is the structural schematic diagram in the utility model after the assembly of seal assembly part；

Fig. 3 is seal assembly axial direction explosive view in the utility model；

Fig. 4 is the structural schematic diagram of the second rubber seal cover in the utility model；

Fig. 5 is the top view of the utility model；

Fig. 6 is the structural schematic diagram latched in the utility model；

Fig. 7 is the structural schematic diagram that the utility model dismantles inner cover.

Specific embodiment

Fig. 1 is the axial explosive view of the utility model, and Fig. 2 is the structure in the utility model after the assembly of seal assembly part Schematic diagram, Fig. 3 are seal assembly axial direction explosive view in the utility model, and Fig. 4 is the second rubber seal cover in the utility model Structural schematic diagram, Fig. 5 are the top view of the utility model, and Fig. 6 is the structural schematic diagram latched in the utility model, and Fig. 7 is this Utility model dismantles the structural schematic diagram of inner cover, as shown, the operating device for abdominal operation in the present embodiment；Including Centre forms the expansion cylinder 1 of operation path, and the expansion cylinder 1 is pre-small post-large and outer circle arc-shaped transition from the front to the back, the expansion The outer circle front end of cylinder 1 is provided with the locking trunnion 11 for avoiding expansion cylinder 1 from exiting, and locking trunnion 11, which is radially symmetrical arranged, is Two, further expansion cylinder 1 is fixed with anus internal engagement, improves stability, the outer circle upper end of the expansion cylinder 1 is set It is equipped with the fixation trunnion 12 for expansion cylinder 1 to be fixed on to patient and suturing with patient skin；The top of the expansion cylinder 1 Multiple and operation path can be fixedly installed around the inner cover 2 of expansion 1 central axis circumferential direction reciprocating rotation of cylinder, the inner cover 2 by being provided with The stamp bayonet 21 of connection；1 side wall of expansion cylinder is provided with air inlet 13 and venthole 14；When operation, put it into patient's Anus is propped up to perform the operation in enteron aisle, and fixed trunnion 12 is set as radially symmetrical two and the fixation trunnion on both sides is stitched It closes on patient skin, plays fixed function, prevent from skidding off and autorotation；Air inlet and air outlet distinguish external pipe, shape At cross-ventilation, guarantee the smog interference that the visual field will not be generated in operation path when laser cutting；Then by point of operation It is one-to-one from pincers, scalpel, endoscope etc. to be passed through from stamp bayonet 21, hand is carried out in the space propped up into operation path Art；When needing other angles, inner cover 2 can be rotated and each operation tool is driven to rotate, and reciprocally rotated, operation is improved Efficiency, 1 structure of expansion cylinder are conducive to operating device fixing-stable, guarantee that the fixed precision of fixed device is high, guarantee surgical procedure Space is big, and is conducive to operation tool and rotates to operate from different perspectives to affected part, while is easy to operate, convenient, avoids to trouble Person's secondary insult guarantees patient's quick recovery.

In the present embodiment, it is rotatably assorted in a manner of it can be limited between the inner cover 2 and expansion cylinder 1；Inner cover 2 and expansion Circumferentially the mode of rotation back limit can be all limit knots for being able to achieve the utility model aim in the prior art between cylinder 1 Structure facilitates 2 fixing-stable of inner cover after rotation, and each operation tool is facilitated to operate, and angular adjustment precision is high.

It further include being fixed on expansion 1 top of cylinder and 3 He of positioning outer ring for being axially fixed inner cover 2 in the present embodiment For realizing that inner cover is fixed on the lock 4 of outer ring with the positioning outer ring 3 clamping engagement, 3 inner circle of positioning outer ring is provided with Multiple circumferentially distributed locating slots 31, the lock 4 connect and latch in such a way that single-degree-of-freedom is radially slided with inner cover 2 4 can radially slide after insertion locating slot 31 in realize 2 locking of inner cover；3 upper port of positioning outer ring is limited along being inwardly arranged Position flange 32, the locating slot 31 are arranged radially in limit flange 32, are radially slided by lock 4 and be embedded in positioning Slot carries out 2 locking of inner cover and fixes, simple to operate, is conducive to procedure efficiency and improves.

In the present embodiment, it is provided between the lock 4 and inner cover 2 and is axially fixed for latching 4 in the axial direction of inner cover 2 Fixed mechanism and for radially sliding positioning mechanism to lock 4 is radially located；The lock 4 is rectangle slide plate, described interior The radial groove 22 formed on the outside of end face for circumferentially limiting to rectangle slide plate is covered, the rectangle slide plate is installed on radial cunning In the slot 22 and radial outer end face of rectangle slide plate is provided with can the conformal clamp 41 for being embedded in locating slot；The axial fixing mechanism packet The axial bayonet for being set to 22 slot bottom of radial groove is included, rectangle slide plate lower end surface is fixedly installed axial block tongue 42, the axial direction Block tongue 42 is locked to axial bayonet along axial direction, and axial block tongue 42 is radially slidably matched with axial bayonet；The axial direction block tongue 42 For two and be disposed opposite to each other elasticity L shape block tongue, the bottom surface of two L shape block tongues is provided with for being installed on axial bayonet Guiding surface, the axial buckle are 22 slot bottom of radial groove to after lower recess and two sides circumferentially opposite direction concave shape respectively At the L shape card slot with L shape block tongue form-fit, the L shape block tongue to installation when guiding surface 421 effect under lower end tilt Insertion L shape card slot is interior afterwards and realizes axial locking, easy for installation, fixing-stable；The positioning mechanism that radially slides includes setting In arc positioning groove 43 of the rectangle slide plate in circumferential two sides, the arc positioning groove 43 is set as edge in rectangle slide plate unilateral side Radially arranged side by side two, the inner sidewall of the radial groove 22 is provided with the arc convex 23 cooperated with arc positioning groove 43；Institute The inner end for stating rectangular shaped slider is disposed radially bayonet strip for making the arc positioning groove 43 that resilient movement circumferentially occur Shape slot 44, the opening strip groove are two and are disposed in proximity to rectangular shaped slider side edge；Certainly, the rectangular shaped slider along diameter Side inwardly is provided with to upper overturning 45, described to being provided with ribs 46 between upper overturning 45 and rectangular shaped slider, described Rectangular shaped slider upper surface is additionally provided with multiple raised lines 47 for increasing friction；The front end of the clamp 41 is arcuate structure, side Just insertion locating slot realizes locking.

In the present embodiment, the stamp bayonet 21 is provided with for carrying out between the instrument and inner cover 2 protruded into expansion shape cylinder The seal assembly 5 of sealing, the corresponding stamp bayonet of the seal assembly 5 are set as 3；The seal assembly 5 is in inverted conical shape and bottom The sealing insert port of portion's formation variable dimension；By be arranged seal assembly 5, guarantee stamp bayonet 21 at leakproofness, avoid due to Stamp bayonet 21 causes shadow to forming stable air convection current by the air inlet and air outlet in operation path due to poorly sealed It rings, causes the smog interference that the visual field is generated in operation path when laser cutting.

In the present embodiment, the seal assembly 5 at least from top to bottom successively include be inverted conical shape the first rubber it is close The thickness of sealing cover 51 and the second rubber seal cover, the first rubber seal cover 51 is greater than the second rubber seal cover and the first rubber seal The size for covering the sealing insert port of 51 bottoms is greater than the sealing insert port of the second rubber seal cover bottom；First rubber seal cover 51 Thickness it is relatively thick, be conducive to form each operation tool and support, while the second relatively thin rubber seal cover is easy to and each operation Tool exterior wall forms sealing, while the seal assembly 5 of the structure is conducive to the disengaging of operation tool while sealing.

In the present embodiment, the first rubber seal cover 51 is slapped together by four a quarter inverted cone pieces, and adjacent two Gap 51a is provided between a a quarter inverted cone piece；The second rubber seal cover is four (including the second rubber seals Cover 52a, the second rubber seal cover 52b, the second rubber seal cover 52c, the second rubber seal cover 52d) and overlapped setting, often A second rubber seal cover is respectively arranged with the notch of a quarter inverted cone-shaped and four notches (including notch 53a, notch 53b, notch 53c and notch 53d) it is arranged along axial mutual dislocation；Further increase the leakproofness and passability of seal assembly 5.

In the present embodiment, the seal assembly 5 successively further includes rubber washer 54, seal disc 55, upper positioning from top to bottom Disk 56, lower positioning disk 57 and fixed lid 58, the seal disc 55, upper positioning disk 56, lower positioning disk 57 and 58 centre of fixed lid are It was provided with mouth, circumferentially distributed multiple upper positioning columns are respectively set in the upper surface of the upper positioning disk 56 and lower positioning disk 57 56a and lower positioning column 57a, the radially inner side of the seal disc 55 are provided with upper location hole 56a corresponding with upper positioning column 56a, First rubber seal cover, 51 upper end and the second rubber seal cover upper end are respectively provided with flange, and the flange is provided with and lower positioning The corresponding lower Positioning holes 56b of column 57a, the fixed lid 58 are fixed on 2 lower end surface of inner cover upwards and compress lower positioning disk 57 upwards 56 lower end surface of positioning disk is pressed on after so that lower positioning column 57a is passed through lower Positioning holes 56b from lower to upper, upper positioning column 56a is under The lower end surface of rubber washer 54 is up pressed on after upper location hole 56a, the upward low pressure of rubber washer 54 is in the lower end of inner cover 2 Face, it is the sealing of S-shaped that the radial outside of the seal disc 55, which is provided with and forms the section of sealing between inner cover and fixed lid 58, Ring portion 55a；The fixed lid 58 can be by being connected and fixed on 2 lower end of inner cover with the fixed column external threading for being fixed on 2 bottom surface of inner cover Face.

In the present embodiment, the positioning outer ring 3 is detachably secured to expansion 1 upper end of cylinder by clamp button of the spring component；Institute Stating clamp button of the spring component includes buckle upper cover 61, bayonet lower cover 62 and Spring Card handle component, 61 lower end of the buckle upper cover setting There is buckle, buckle 61 upper end of upper cover is fixed on positioning 3 lower end surface of outer ring and seal assembly 5 is fixed on 2 lower end surface of inner cover；It is described Spring Card handle component is fixedly installed in expansion 1 upper surface of cylinder and forms bayonet by bayonet lower cover 62, the bayonet lower cover 62 and bullet Spring card handle component is that can be realized the structure to form bayonet in the prior art, and details are not described herein；As shown, outer by positioning Circle 3 is detachably secured to expansion 1 upper end of cylinder, need to take out the pathological tissues cut in surgical procedure, at this moment, by Spring Card The card handle 63 of handle component turn right gently one group bayonet upper cover can be removed, take out pathological tissues.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims

1. a kind of operating device for abdominal operation, it is characterised in that: described including the intermediate expansion cylinder for forming operation path Expand that cylinder is pre-small post-large and outer circle arc-shaped transition, the outer circle front end of the expansion cylinder are provided with for avoiding expansion cylinder from the front to the back The locking trunnion exited, the outer circle upper end of the expansion cylinder are provided with for being fixed expansion cylinder and suturing with patient skin In the fixation trunnion of patient；Being provided at the top of the expansion cylinder can be around the inner cover of expansion cylinder central axis circumferential direction reciprocating rotation, institute It states inner cover and is fixedly installed multiple stamp bayonets being connected to operation path；The expansion cylinder side wall is provided with air inlet and outlet Hole.

2. the operating device according to claim 1 for abdominal operation, it is characterised in that: the inner cover and expansion cylinder it Between be rotatably assorted in a manner of it can be limited.

3. the operating device according to claim 1 for abdominal operation, it is characterised in that: further include being fixed on expansion cylinder Top is simultaneously used to be axially fixed the positioning outer ring of inner cover and realizes that inner cover is fixed on for being engaged by clamping with the positioning outer ring The lock of outer ring, the positioning outer ring inner circle are provided with multiple circumferentially distributed locating slots, the lock and inner cover with it is single from By spend the mode radially slided connect and latch can radially slide after be inserted into locating slot in realize inner cover locking.

4. the operating device according to claim 3 for abdominal operation, it is characterised in that: between the lock and inner cover It is provided with and is axially fixed in the axial fixing mechanism of inner cover and for latching for being radially slided to lock is radially located Positioning mechanism.

5. the operating device according to claim 4 for abdominal operation, it is characterised in that: the lock is that rectangle is sliding Plate, the inner cover upper surface outside form the radial groove for circumferentially limiting to rectangle slide plate, the rectangle slide plate installation Being provided in the radial groove and radial outer end face of rectangle slide plate can the conformal clamp for being embedded in locating slot；The axial restraint machine Structure includes the axial bayonet for being set to radial groove slot bottom, and rectangle slide plate lower end surface is fixedly installed axial block tongue, the axial direction Block tongue is locked to axial bayonet along axial direction, and axial block tongue is radially slidably matched with axial bayonet；It is described to radially slide localization machine Structure includes being set to rectangle slide plate in the arc positioning groove of circumferential two sides, and the arc positioning groove is set in rectangle slide plate unilateral side Radially arranged side by side two are set to, the inner sidewall of the radial groove is provided with the arc convex with arc positioning groove cooperation.

6. the operating device according to claim 1 for abdominal operation, it is characterised in that: the stamp bayonet setting is useful In to the seal assembly being sealed between the instrument and inner cover expanded in shape cylinder is protruded into, the seal assembly is in inverted conical shape and bottom The sealing insert port of portion's formation variable dimension.

7. the operating device according to claim 6 for abdominal operation, it is characterised in that: the seal assembly at least by On down successively include be inverted conical shape the first rubber seal cover and the second rubber seal cover, the thickness of the first rubber seal cover Degree is greater than the second rubber seal cover and the size of the sealing insert port of the first rubber seal cover bottom is greater than the second rubber seal cover The sealing insert port of bottom.

8. the operating device according to claim 7 for abdominal operation, it is characterised in that: the first rubber seal cover It is slapped together by four a quarter inverted cone pieces, is provided with gap between two neighboring a quarter inverted cone piece；Described Two rubber seal covers are four and overlapped setting, and each second rubber seal cover is respectively arranged with a quarter inverted cone-shaped Notch and four notches along axial mutual dislocations setting.

9. the operating device according to claim 8 for abdominal operation, it is characterised in that: the seal assembly on toward Under successively further include rubber washer, seal disc, upper positioning disk, lower positioning disk and fixed lid, the seal disc, upper positioning disk, under Positioning disk and fixed lid is intermediate was provided with mouth, the upper surface of the upper positioning disk and lower positioning disk, which is respectively set, circumferentially to be divided The multiple upper positioning columns and lower positioning column of cloth, the radially inner side of the seal disc are provided with upper positioning corresponding with upper positioning column Hole, the first rubber seal cover upper end and the second rubber seal cover upper end are respectively provided with flange, the flange be provided with it is lower fixed The corresponding lower Positioning holes of position column, the fixed lid is fixed on inner cover lower end surface and compresses lower positioning disk upwards upwards makes lower positioning column Positioning disk lower end surface is pressed on after passing through lower Positioning holes from lower to upper, upper positioning column compresses after passing through location hole from lower to upper In the lower end surface of rubber washer, the upward low pressure of rubber washer is provided in the lower end surface of inner cover, the radial outside of the seal disc The section that sealing is formed between inner cover and fixed lid is the sealing ring portion of S-shaped.

10. the operating device according to claim 3 for abdominal operation, it is characterised in that: the positioning outer ring passes through Clamp button of the spring component is detachably secured to expansion cylinder upper end.