CN110897662A

CN110897662A - Hepatobiliary surgery is with operation auxiliary device

Info

Publication number: CN110897662A
Application number: CN201911249385.4A
Authority: CN
Inventors: 郑璐; 王峥; 朱毅楠; 王梁; 刘钦钦; 谷惠英; 彭雪辉
Original assignee: Second Affiliated Hospital Army Medical University
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-03-24

Abstract

The invention discloses an operation auxiliary device for hepatobiliary surgery, and particularly relates to the field of medical equipment. According to the sternum expansion device, the rack is driven to move forwards by the pulling rod, the rack is meshed with the first bevel gear when moving, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the screw rod to rotate, the two opposite external threads on the outer wall of the screw rod drive the two sliding blocks to move towards two sides simultaneously, sternum expansion is achieved, the pull rod is adopted to drive the whole device to perform expansion, and compared with the prior art that the whole device is adjusted and expanded by adopting a rotating mode, the sternum expansion device simulates the expansion action in operation, and is more convenient and smooth to use.

Description

Hepatobiliary surgery is with operation auxiliary device

Technical Field

The embodiment of the invention relates to the field of medical equipment, in particular to an operation auxiliary device for hepatobiliary surgery.

Background

Liver and gall surgery mainly studies hepatocellular carcinoma, hepatobiliary calculus, posthepatitic cirrhosis and acute liver failure caused by severe hepatitis are major diseases seriously threatening the health of Chinese people. Generally, in clinical practice, when a hepatobiliary surgery is performed on a patient, an open cavity surgery is generally adopted, and after the open cavity surgery is performed, superficial tissues or other tissues of the cavity are required to be pulled open to open the thoracic cavity of the human body, so that the surgical operation is facilitated.

At present, several medical auxiliary personnel generally assist together, open the thorax of human body to the operation, not only the operation is got up and is wasted time and energy, increases patient's bearing pressure, and the time spent can cause medical staff's arm to tingle simultaneously, thereby has increased the degree of difficulty of work for medical staff.

Therefore, the surgical retractor is used for auxiliary operation, and when the surgical retractor is used for supporting and fixing, the adjustment is inconvenient, the operation is not smooth, the adjustment precision is not high, and doctors are required to perform operation in person according to the conditions of patients.

Disclosure of Invention

Therefore, the embodiment of the invention provides an operation auxiliary device for hepatobiliary surgery, wherein a pull rod is pulled, the pull rod drives a rack to move forwards, the rack is meshed with a first bevel gear when moving, the first bevel gear rotates to drive a second bevel gear to rotate, the second bevel gear drives a screw rod to rotate, two opposite external threads on the outer wall of the screw rod drive two sliding blocks to move towards two sides simultaneously, the sternum is expanded, and the pull rod is adopted to drive the whole device to expand.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: an operation auxiliary device for hepatobiliary surgery comprises a machine body, wherein a driving bin is arranged in the machine body, an opening is formed in one side wall of the machine body corresponding to the driving bin, a driving mechanism is arranged in the driving bin, two expanding components are arranged on one side of the driving mechanism, one ends of the two expanding components are driven by the driving mechanism, and the other ends of the two expanding components penetrate through the opening and extend to the outside of the machine body and act on a sternal incision;

actuating mechanism includes pull rod, rack, reversing gear group, lead screw and slider, the removal spacing mouth that is linked together with the drive storehouse is seted up to the organism upper surface that the pull rod top corresponds, the rack is fixed to be set up in the pull rod bottom, reversing gear group sets up in rack one side and by rack drive, realizes the rotation of lead screw, lead screw outer wall symmetry is equipped with opposite direction's external screw thread, and two opposite direction's two external screw thread outsides are threaded connection respectively has the slider, two expand and prop the subassembly and can dismantle with two sliders respectively and be connected.

Furthermore, supporting legs are fixedly arranged at the bottom of the machine body, and spaces formed among the four supporting legs are used for accommodating patients.

Further, a storage box is fixedly arranged on one side wall, away from the opening, of the machine body, and the storage box is used for storing the expanding component.

Furthermore, the reversing gear set comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged at the bottom of the second bevel gear, the first bevel gear and the second bevel gear are vertically arranged and are meshed and connected, a tooth groove is formed in the outer wall of the first bevel gear, and the first bevel gear is meshed and connected with the rack.

Furthermore, a sliding rail is arranged on the surface of the bottom of the driving bin corresponding to the bottom of the rack, sliding feet are fixedly arranged on the front side and the rear side of the bottom of the rack, and the sliding feet are arranged inside the sliding rail in a sliding mode.

Further, the pull rod is located one side of the outer wall inside the driving bin and is fixedly connected with the magnifying glass and the pointer through the support, the pointer is arranged at the bottom of the magnifying glass, a scale plate is arranged at the bottom of the pointer, and the scale plate is fixedly connected with the machine body.

Furthermore, the scale plate is provided with scale marks, the machine body corresponding to the upper part of the scale plate is provided with an observation window, and a transparent glass plate is fixedly arranged in the observation window.

Further, expand the vaulting pole including expanding the fagging and setting up in the expansion piece that expands the fagging tip, the expansion piece with expand the fagging articulated connection, and two expansion pieces that expand on the vaulting pole set up about the lead screw symmetry.

Further, the one end fixedly connected with L type cardboard that expands the fagging and be close to the slider, the slider outer wall is fixed and is equipped with the snap ring, L type cardboard activity joint in inside and the snap ring cooperate with the snap ring of snap ring.

Further, be equipped with the hemostatic cloth on the expansion piece inner wall, and the one side that the hemostatic cloth is close to the expansion piece is sewed up and is connected with the waterproof pad, the fixed thorn hair face that is equipped with in waterproof pad rear side, the expansion piece is close to and is fixed the bonding on the lateral wall of hemostatic cloth has the mill hair pad, mill hair pad and thorn hair face adhesive connection.

The embodiment of the invention has the following advantages:

1. according to the sternum expansion device, the pull rod is pulled to drive the rack to move forwards, the rack is meshed with the first bevel gear when moving, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear drives the screw rod to rotate, two opposite external threads on the outer wall of the screw rod drive the two sliding blocks to move towards two sides simultaneously, the sternum expansion is realized, the pull rod is adopted to drive the whole device to perform expansion, and compared with the prior art that the rotating mode is adopted to adjust the expansion, the operation simulates the expansion action, the sternum expansion device is more convenient and smooth to use;

2. the pull rod drives the magnifying glass and the pointer to move through the support, the pointer is arranged above the scale plate, therefore, the moving distance can be determined through the pointer and the scale marks, the moving distance can be clearly seen through the arrangement of the magnifying glass, high-precision expanding work can be carried out during expanding work, particularly, when an assistant does not know the expanding distance, the operation can be carried out according to the indication of a doctor, the doctor does not need to manually operate the expanding distance, the energy and labor force of the doctor during expanding work are greatly liberated, the doctor can keep physical strength, and a foundation is laid for subsequent high-efficiency work;

3. the expanding assembly is detachably connected with the sliding block, when the expanding assembly is used, the L-shaped clamping plate at the end part of the expanding plate is directly clamped into the clamping ring on the outer wall of the sliding block, when the sliding block is driven by the lead screw to linearly move, the expanding assembly reciprocates back and forth, so that the expanding assembly cannot move up and down, expanding work is not influenced, after the expanding assembly is used, the expanding assembly can be taken down for cleaning and disinfection, and then the expanding assembly is stored in the storage box, so that the expanding assembly is prevented from being easily polluted outside for a long time, and the use is safe and relieved;

4. can dismantle the connection hemostatic cloth through expanding the inboard in the piece, expand and prop the during operation, can adsorb blood, still need stanch in addition and inhale blood when avoiding blood to flow into the operation position, the operation back tears hemostatic cloth, more when reusing change fresh hemostatic cloth can, it is very convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the internal structure of a driving chamber according to the present invention;

FIG. 2 is an overall top view provided by the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the body structure provided by the present invention;

FIG. 5 is a top view of the drive mechanism provided by the present invention;

FIG. 6 is a front view of the drive mechanism provided by the present invention;

FIG. 7 is a schematic structural view of a bracing assembly according to the present invention;

in the figure: the automatic hemostatic bag comprises a machine body 1, a drive bin 2, a drive mechanism 3, a pull rod 31, a rack 32, a reversing gear set 33, a bevel gear 331I, a bevel gear 332 II, tooth grooves 333, a lead screw 34, a slide block 35, a support component 4, a support plate 41, an expansion block 42, a clamping plate 43L, a clamping ring 44, a movable limiting opening 5, a support foot 6, a storage box 7, a slide rail 8, a slide foot 9, a magnifier 10, a pointer 11, a scale plate 12, a transparent glass plate 13, hemostatic cloth 14, a rough surface 15 and a rough pad 16.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 the attached

drawings

1, 4, 5 and 6 of the specification, the surgical auxiliary device for hepatobiliary surgery of this embodiment includes a machine body 1, a driving chamber 2 is disposed inside the machine body 1, an opening is disposed on a side wall of the machine body 1 corresponding to the driving chamber 2, a driving mechanism 3 is disposed inside the driving chamber 2, two expanding components 4 are disposed on one side of the driving mechanism 3, one end of each of the two expanding components 4 is driven by the driving mechanism 3, and the other end of each of the two expanding components 4 penetrates through the opening to extend to the outside of the machine body 1 and acts on a sternal incision;

actuating mechanism 3 includes pull rod 31, rack 32, reversing gear group 33, lead screw 34 and slider 35, the removal that is linked together with drive storehouse 2 is seted up to 1 upper surface of the organism that the pull rod 31 top corresponds is spacing mouthful 5, rack 32 is fixed to be set up in the pull rod 31 bottom, reversing gear group 33 sets up in rack 32 one side and by the drive of rack 32, realizes the rotation of

lead screw

34, 34 outer wall symmetry of lead screw is equipped with opposite direction's external screw thread, and there is slider 35, two outside threaded connection respectively of two external screw threads opposite direction expand and prop subassembly 4 and can dismantle with two sliders 35 respectively and be connected.

Further, the reversing gear set 33 includes a first bevel gear 331 and a second bevel gear 332, the first bevel gear 331 is disposed at the bottom of the second bevel gear 332, the first bevel gear 331 and the second bevel gear 332 are vertically disposed and engaged with each other, a tooth slot 333 is disposed on an outer wall of the first bevel gear 331, and the first bevel gear 331 is engaged with the rack 32.

Furthermore, supporting legs 6 are fixedly arranged at the bottom of the machine body 1, and spaces formed among the four supporting legs 6 are used for accommodating patients.

The implementation scenario is specifically as follows: when the sternum expanding device is used, the machine body 1 can be placed on two sides above a patient, the two expanding components 4 are attached together and correspond to a sternum incision, the pull rod 31 is pulled forwards, the pull rod 31 drives the rack 32 to move forwards, the rack 32 is meshed with the first bevel gear 331 when moving, the first bevel gear 331 rotates to drive the second bevel gear 332 to rotate, the second bevel gear 332 drives the screw rod 34 to rotate, two opposite external threads on the outer wall of the screw rod 34 drive the two sliding blocks 35 to simultaneously move towards two sides, sternum expansion is realized, the pull rod 31 is adopted to drive the whole device to perform expansion work, and compared with the prior art, the sternum expanding device adopts a rotating mode to adjust expansion, simulates expansion action, and is more convenient and smooth to use.

Referring to the attached

drawings

1 and 7 of the specification, one end of the expanding plate 41 close to the sliding block 35 is fixedly connected with an L-shaped clamping plate 43, the outer wall of the sliding block 35 is fixedly provided with a clamping ring 44, and the L-shaped clamping plate 43 is movably clamped inside the clamping ring 44 and matched with the clamping ring 44.

Further, a storage box 7 is fixedly arranged on one side wall of the machine body 1 far away from the opening, and the storage box 7 is used for storing the expanding component 4.

The implementation scenario is specifically as follows: according to the invention, the expanding component 4 is detachably connected with the slide block 35, when the expanding device is used, the L-shaped clamping plate 43 at the end part of the expanding plate 41 is directly clamped into the clamping ring 44 on the outer wall of the slide block 35, when the screw rod 34 drives the slide block 35 to do linear motion, the expanding component 4 reciprocates back and forth, so that the expanding component 4 does not move up and down, expanding work is not influenced, after the expanding device is used, the expanding component 4 can be taken down for cleaning and disinfection, and then is stored in the storage box 7, so that the phenomenon that the expanding device is easy to receive pollution when being outside for a long time is avoided, and the use is safe and relieved.

Referring to the attached figure 6 of the specification, the sliding rail 8 is arranged on the surface of the bottom of the driving bin 2 corresponding to the bottom of the rack 32, the sliding feet 9 are fixedly arranged on the front side and the rear side of the bottom of the rack 32, and the sliding feet 9 are slidably arranged inside the sliding rail 8.

The implementation scenario is specifically as follows: according to the invention, when the pull rod 31 pulls the rack 32, the bottom of the rack 32 is limited in the slide rail 8 by the sliding foot 9, and the moving stability of the rack 32 can be ensured.

Referring to the attached

drawings

2 and 3 in the specification, the magnifier 10 and the pointer 11 are fixedly connected to one side of the outer wall of the pull rod 31 positioned inside the driving bin 2 through a support, the pointer 11 is arranged at the bottom of the magnifier 10, the scale plate 12 is arranged at the bottom of the pointer 11, and the scale plate 12 is fixedly connected with the machine body 1.

Furthermore, scale marks are arranged on the scale plate 12, an observation window is arranged on the machine body 1 corresponding to the upper side of the scale plate 12, and a transparent glass plate 13 is fixedly arranged in the observation window.

The implementation scenario is specifically as follows: according to the invention, when the two expanding components 4 are driven to expand through the pulling of the pull rod 31, the pull rod 31 drives the magnifying glass 10 and the pointer 11 to move through the bracket, and the pointer 11 is arranged above the scale plate 12, so that the moving distance can be determined through the pointer 11 and the scale lines, and the moving distance can be clearly seen through the arrangement of the magnifying glass 10.

Referring to the specification and the attached fig. 7, the expanding components 4 comprise expanding plates 41 and expanding blocks 42 arranged at the ends of the expanding plates 41, the expanding blocks 42 are hinged with the expanding plates 41, and the expanding blocks 42 on the two expanding components 4 are symmetrically arranged about the screw rod 34.

Further, be equipped with hemostatic cloth 14 on the expansion piece 42 inside wall, and hemostatic cloth 14 is close to one side of expansion piece 42 and sews up and is connected with waterproof pad, the fixed thorn hair face 15 that is equipped with in waterproof pad rear side, expansion piece 42 is close to fixed the bonding on the lateral wall of hemostatic cloth 14 and has ground hair pad 16, ground hair pad 16 and thorn hair face 15 adhesive bonding.

The implementation scenario is specifically as follows: when the invention is used for expanding, blood flows out due to the pressure of the expansion block 42, at the moment, the hemostatic cloth 14 can be bonded with the hair grinding pad 16 on the expansion block 42 through the burred surface 15 before expanding, after bonding, the blood can be adsorbed when expanding, the blood is prevented from being additionally stopped and sucked when flowing into the operation part, after the operation, the hemostatic cloth 14 is torn off, and when the hemostatic cloth is used again, a new hemostatic cloth 14 is replaced.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. An operation auxiliary device for hepatobiliary surgery, comprising a body (1), characterized in that: a driving bin (2) is arranged inside the machine body (1), an opening is formed in one side wall of the machine body (1) corresponding to the driving bin (2), a driving mechanism (3) is arranged inside the driving bin (2), two expanding components (4) are arranged on one side of the driving mechanism (3), one ends of the two expanding components (4) are driven by the driving mechanism (3), and the other ends of the two expanding components penetrate through the opening and extend to the outside of the machine body (1) and act on the sternal incision;

actuating mechanism (3) are including pull rod (31), rack (32), switching-over gear group (33), lead screw (34) and slider (35), organism (1) upper surface that pull rod (31) top corresponds is seted up and is linked together with drive storehouse (2) removal spacing mouthful (5), rack (32) are fixed to be set up in pull rod (31) bottom, switching-over gear group (33) set up in rack (32) one side and by rack (32) drive, realize the rotation of lead screw (34), lead screw (34) outer wall symmetry is equipped with opposite direction's external screw thread, and two external screw thread outside difference threaded connection of opposite direction have slider (35), two expand vaulting pole piece (4) and can dismantle with two sliders (35) respectively and be connected.

2. An operation assisting device for hepatobiliary surgery according to claim 1, wherein: supporting legs (6) are fixedly arranged at the bottom of the machine body (1), and spaces formed among the four supporting legs (6) are used for accommodating patients.

3. An operation assisting device for hepatobiliary surgery according to claim 1, wherein: the machine body (1) is fixedly provided with a storage box (7) on one side wall far away from the opening, and the storage box (7) is used for storing the expanding component (4).

4. An operation assisting device for hepatobiliary surgery according to claim 1, wherein: the reversing gear set (33) comprises a first bevel gear (331) and a second bevel gear (332), the first bevel gear (331) is arranged at the bottom of the second bevel gear (332), the first bevel gear (331) and the second bevel gear (332) are vertically arranged and are in meshed connection, a tooth groove (333) is formed in the outer wall of the first bevel gear (331), and the first bevel gear (331) is in meshed connection with the rack (32).

5. An operation assisting device for hepatobiliary surgery according to claim 1, wherein: slide rail (8) have been seted up on the drive storehouse (2) bottom surface that rack (32) bottom corresponds, both sides are fixed around rack (32) bottom are equipped with runner (9), runner (9) slide and set up in inside slide rail (8).

6. An operation assisting device for hepatobiliary surgery according to claim 1, wherein: pull rod (31) are located outer wall one side of drive storehouse (2) inside and pass through support fixed connection magnifying glass (10) and pointer (11), pointer (11) set up in magnifying glass (10) bottom, pointer (11) bottom is equipped with scale plate (12), scale plate (12) and organism (1) fixed connection.

7. An operation assisting device for hepatobiliary surgery according to claim 5, wherein: the novel multifunctional ruler is characterized in that scale marks are arranged on the scale plate (12), an observation window is arranged on the machine body (1) corresponding to the upper portion of the scale plate (12), and a transparent glass plate (13) is fixedly arranged in the observation window.

8. An operation assisting device for hepatobiliary surgery according to claim 1, wherein: expand supporting component (4) including expanding fagging (41) and setting up in expanding expansion piece (42) of fagging (41) tip, expansion piece (42) with expand fagging (41) articulated connection, and two expand expansion pieces (42) on supporting component (4) and set up about lead screw (34) symmetry.

9. An operation assisting device for hepatobiliary surgery according to claim 8, wherein: one end, close to the sliding block (35), of the expansion supporting plate (41) is fixedly connected with an L-shaped clamping plate (43), a clamping ring (44) is fixedly arranged on the outer wall of the sliding block (35), and the L-shaped clamping plate (43) is movably clamped inside the clamping ring (44) and matched with the clamping ring (44).

10. An operation assisting device for hepatobiliary surgery according to claim 8, wherein: be equipped with hemostatic cloth (14) on expansion piece (42) inside wall, and hemostatic cloth (14) are close to one side suture connection of expansion piece (42) and are connected with the waterproof pad, waterproof pad rear side is fixed and is equipped with thorn hair face (15), expansion piece (42) are close to fixed bonding on the lateral wall of hemostatic cloth (14) and have dull polish pad (16), dull polish pad (16) and thorn hair face (15) adhesive connection.