阅读说明：本技术 一种用于肛肠手术的润滑设备 (Lubricating equipment for anorectal operation ) 是由 孟涛 曾祥岳 梁伟 其他发明人请求不公开姓名 于 2020-05-28 设计创作，主要内容包括：本发明涉及肛肠手术器具技术领域,尤其涉及一种用于肛肠手术的润滑设备。其技术方案为：一种用于肛肠手术的润滑设备,包括基座和扩肛筒,扩肛筒的一端连接有减速机构,减速机构安装于基座上；所述基座上还连接有用于盛装润滑液的注射器,注射器的输入端与减速机构的输出端连接；扩肛筒内设置有环形腔体和若干出液孔,环形腔体与出液孔连通,注射器的输出端与环形腔体通过软管连通。本发明提供了一种能在以同步速率推进扩肛筒和灌注润滑液的润滑装置,解决了向肛门推进扩肛筒时扩肛筒对肛肠壁造成损伤的问题。(The invention relates to the technical field of anorectal surgical instruments, in particular to lubricating equipment for anorectal surgery. The technical scheme is as follows: a lubricating device for anorectal surgery comprises a base and an anus dilating cylinder, wherein one end of the anus dilating cylinder is connected with a speed reducing mechanism, and the speed reducing mechanism is arranged on the base; the base is also connected with an injector for containing lubricating liquid, and the input end of the injector is connected with the output end of the speed reducing mechanism; an annular cavity and a plurality of liquid outlet holes are arranged in the anus expanding cylinder, the annular cavity is communicated with the liquid outlet holes, and the output end of the injector is communicated with the annular cavity through a hose. The invention provides a lubricating device capable of advancing an anus dilating cylinder and filling lubricating liquid at a synchronous speed, and solves the problem that the anus dilating cylinder damages the wall of an anus and an intestine when the anus dilating cylinder is advanced to the anus.)

1. The lubricating device for anorectal surgery is characterized by comprising a base (1) and an anus expanding cylinder (2), wherein one end of the anus expanding cylinder (2) is connected with a speed reducing mechanism (3), and the speed reducing mechanism (3) is arranged on the base (1); the base (1) is also connected with an injector (4) for containing lubricating liquid, and the input end of the injector (4) is connected with the output end of the speed reducing mechanism (3); an annular cavity (21) and a plurality of liquid outlet holes (22) are arranged in the anus expanding cylinder (2), the annular cavity (21) is communicated with the liquid outlet holes (22), and the output end of the injector (4) is communicated with the annular cavity (21) through a hose.

2. The lubrication device for anorectal surgery of claim 1 wherein the speed reduction mechanism (3) comprises an input rack (31), the input rack (31) is connected with the anus dilating cylinder (2), a speed reducer (32) is arranged on the base (1), an input gear (33) is connected with an input end of the speed reducer (32), and the input gear (33) is meshed with the input rack (31); the output end of the speed reducer (32) is connected with an output gear (34), the output gear (34) is meshed with an output rack (35), and the output rack (35) is connected with the input end of the injector (4).

3. Lubrication device for anorectal surgery according to claim 2 wherein the input rack (31) is located on the side of the input gear (33) away from the output gear (34) and the output rack (35) is located on the side of the output gear (34) away from the input gear (33), the input gear (33) and the output gear (34) being counter-rotating.

4. The lubrication device for anorectal surgery according to claim 2, wherein the base (1) is provided with an input chute (11) and an output chute (12), the input rack (31) is connected with an input slider (311), the input slider (311) is sleeved in the input chute (11), the output rack (35) is connected with an output slider (351), and the output slider (351) is sleeved in the output chute (12).

5. The lubrication device for anorectal surgery according to claim 1, wherein the injector (4) comprises an injection tube (41), a piston plate (42) is arranged in the injection tube (41), a piston rod (43) is connected to the piston plate (42), the other end of the piston rod (43) extends out of the injection tube (41), and one end of the piston rod (43) extending out of the injection tube (41) is connected with the output end of the deceleration mechanism (3); the cavity of the piston plate (42) in the injection cylinder (41) far away from the piston rod (43) is communicated with the annular cavity (21) through a hose.

6. Lubrication device for anorectal surgery according to claim 1 wherein the diameter of the section of the anal dilatation barrel (2) away from the base body is gradually reduced.

7. The lubrication device for anorectal surgery according to claim 1, wherein the base (1) is provided with an anus dilating cylinder sliding groove (13), the anus dilating cylinder (2) is connected with an anus dilating cylinder sliding block (23), and the anus dilating cylinder sliding block (23) is sleeved in the anus dilating cylinder sliding groove (13).

8. The lubrication device for anorectal surgery of claim 1 wherein one end of the anus dilating cylinder (2) connected with the speed reducing mechanism (3) is provided with a bell-mouth end part (24), and the speed reducing mechanism (3) is connected on the bell-mouth end part (24).

9. Lubricating apparatus for anorectal surgery according to any one of claims 1 to 8 wherein a one-way valve (5) is arranged on the hose connecting the output end of the injector (4) and the annular cavity (21).

10. Lubricating apparatus for anorectal surgery according to claim 9 wherein the one-way valve (5) comprises a valve body (51), a stopper (52) is fixed in the valve body (51), a valve plate (53) is hinged in the valve body (51), the valve plate (53) is positioned at one side of the stopper (52) close to the anus expanding barrel (2), and a spring (54) is connected between the valve plate (53) and the valve body (51).

Technical Field

The invention relates to the technical field of anorectal surgical instruments, in particular to lubricating equipment for anorectal surgery.

Background

Hemorrhoid is a soft vein group formed by buckling and expanding of the mucous membrane at the tail end of the rectum and the hemorrhoid vein plexus under the skin of the anal canal, and is a common disease and frequently encountered disease occurring inside and outside the anus. Before anorectal operation, the anus needs to be lubricated to ensure that the surgical instrument smoothly enters the anus and reduce unnecessary damage to the anus caused by the surgical instrument.

Patent application No. CN201610193526.5 discloses an anal canal with lubricating property, which comprises: the anus tube body, the medicine outlet hole and the medicine feeding joint are provided with an annular thread groove on the front end surface; the anus catheter is characterized by further comprising a lubricant sealing tube, the lubricant sealing tube is sleeved outside the anus catheter body, a gap is formed between the lubricant sealing tube and the anus catheter body, the rear end of the lubricant sealing tube is connected in the annular threaded groove in a threaded mode, and lubricant is arranged in the gap; the outer surface of the anal tube body is provided with scale marks for displaying the length; the medicine outlet holes are divided into a first circle of medicine outlet holes and a second circle of medicine outlet holes, the three medicine outlet holes of the first circle of medicine outlet holes and the three medicine outlet holes of the second circle of medicine outlet holes are uniformly arranged along the circumferential direction of the anal tube body, and the distance between the first circle of medicine outlet holes and the second circle of medicine outlet holes in the length direction of the anal tube body is 0.8-1.2 cm. Through the mode, the lubricating agent has good lubricating property, causes little pain to patients, and has good administration effect.

However, the anal tube cannot fill the lubricant into the anus at the same time when the anus is pushed. The single person can not impel the anal canal and fill in the lubricating liquid simultaneously, can't obtain good lubrication between the anus intestines wall in the anal canal when leading to impel the anal canal, and the anus intestines wall receives the damage of anal canal easily.

Disclosure of Invention

The invention overcomes the defects of the prior art, provides the lubricating device which can advance the anus dilating cylinder and fill lubricating liquid at a synchronous speed, and solves the problem that the anus dilating cylinder damages the anorectal wall when the anus dilating cylinder is advanced to the anus.

In order to solve the technical problems, the invention adopts the following technical scheme:

a lubricating device for anorectal surgery comprises a base and an anus dilating cylinder, wherein one end of the anus dilating cylinder is connected with a speed reducing mechanism, and the speed reducing mechanism is arranged on the base; the base is also connected with an injector for containing lubricating liquid, and the input end of the injector is connected with the output end of the speed reducing mechanism; an annular cavity and a plurality of liquid outlet holes are arranged in the anus expanding cylinder, the annular cavity is communicated with the liquid outlet holes, and the output end of the injector is communicated with the annular cavity through a hose.

As a preferred scheme of the invention, the speed reducing mechanism comprises an input rack, the input rack is connected with the anus expanding cylinder, a speed reducer is arranged on the base, the input end of the speed reducer is connected with an input gear, and the input gear is meshed with the input rack; the output end of the speed reducer is connected with an output gear, the output gear is meshed with an output rack, and the output rack is connected with the input end of the injector.

In a preferred embodiment of the present invention, the input rack is located on a side of the input gear away from the output gear, the output rack is located on a side of the output gear away from the input gear, and the input gear and the output gear are opposite in rotation direction.

As a preferred scheme of the present invention, the base is respectively provided with an input chute and an output chute, the input rack is connected with an input slider, the input slider is sleeved in the input chute, the output rack is connected with an output slider, and the output slider is sleeved in the output chute.

As a preferred scheme of the invention, the injector comprises an injection tube, a piston plate is arranged in the injection tube, a piston rod is connected to the piston plate, the other end of the piston rod extends out of the injection tube, and one end of the piston rod extending out of the injection tube is connected with the output end of the speed reducing mechanism; the cavity of the piston plate far away from the piston rod in the injection cylinder is communicated with the annular cavity through a hose.

As a preferable scheme of the invention, the diameter of a section of the anus dilatation cylinder far away from the base body is gradually reduced.

As the preferred scheme of the invention, the base is provided with an anus dilating cylinder sliding groove, the anus dilating cylinder is connected with an anus dilating cylinder sliding block, and the anus dilating cylinder sliding block is sleeved in the anus dilating cylinder sliding groove.

As a preferable scheme of the invention, one end of the anus dilating cylinder, which is connected with the speed reducing mechanism, is provided with a bell mouth end part, and the speed reducing mechanism is connected on the bell mouth end part.

As the preferred scheme of the invention, a one-way valve is arranged on a hose connected between the output end of the injector and the annular cavity; the check valve comprises a valve body, a check block is fixed in the valve body, a valve plate is hinged in the valve body and located on one side, close to the anus expanding barrel, of the check block, and a spring is connected between the valve plate and the valve body.

Compared with the prior art, the invention has the beneficial effects that:

1. the speed reducing mechanism is connected between the input end of the injector and the anus expanding cylinder, so that the anus expanding cylinder is pushed into the anus, the input end of the injector can be synchronously pushed, and the lubricating liquid in the injector can synchronously enter the annular cavity of the anus expanding cylinder and flow out from each liquid outlet hole. Therefore, when the anus expanding cylinder is pushed to the anus, the lubrication liquid can be filled into the anus at the same frequency, and the good lubrication of the anorectal wall is ensured. When the anus dilating cylinder is pushed, the lubricating liquid is synchronously filled into the anus, so that the damage of the anus dilating cylinder to the wall of the anus and the intestine is avoided. The operation of pushing the anus expanding cylinder and injecting the lubricating liquid only needs one person to carry out, and can keep synchronization, and the operation is convenient.

2. When the anus expanding cylinder is pushed, the anus expanding cylinder drives the input rack to move, and the output rack drives the input gear to rotate. The input gear drives the reducer to act, the reducer drives the output gear to rotate, the output gear drives the output rack to move, and the output rack can drive the input end of the injector to synchronously move. Therefore, only the anus expanding cylinder needs to be pushed, the input end of the injector can be synchronously operated, the operation is carried out, in-time and synchronous lubrication can be ensured in the anus, and the injury to the anus is reduced.

3. The input rack is located on one side, far away from the output gear, of the input gear, and the output rack is located on one side, far away from the input gear, of the output gear, so that arrangement of the racks is facilitated. The input gear and the output gear are opposite in rotation direction, the input rack and the output rack always move in the same direction, and therefore the lubricating liquid in the injector can be accurately input into the annular cavity and flow out from the liquid outlet hole when the anus expanding cylinder is pushed, and the anus is lubricated.

4. When the anus expanding cylinder drives the speed reducing mechanism to act, the input sliding block on the input rack always slides in the input sliding groove, the output sliding block on the output rack always slides in the output sliding groove, so that the input rack can be accurately meshed with the input gear, the output gear can be accurately meshed with the output rack, and the reliable transmission of motion is ensured.

5. When the anus expanding cylinder is pushed in, the speed reducing mechanism drives the piston rod to move synchronously, and then the piston rod drives the piston plate to extrude the lubricating liquid. Lubricating liquid can smoothly enter the annular cavity of the anus expanding cylinder from the hose under the pushing of the piston plate and flows out of the liquid outlet hole, so that the lubricating liquid can smoothly enter the anus. The movement of the piston rod in the injector is always synchronous with the movement of the anus expanding cylinder, so that the anus can be lubricated timely and fully.

6. The diameter of one section of the anus dilating cylinder far away from the basal body is gradually reduced, so that the anus dilating cylinder is conveniently pushed into the anus, the human body is ensured to be gradually adaptive to the entering of the anus dilating cylinder, the relaxation of a patient is facilitated, and the pain is reduced.

7. When the anus dilating cylinder is pushed, the anus dilating cylinder sliding block on the anus dilating cylinder slides in the anus dilating cylinder sliding groove, so that the anus dilating cylinder can be stably pushed. When the anus dilating cylinder is stably pushed, the pain of a patient is reduced, and the anus dilating cylinder can not damage the anorectal wall.

8. The end part of the horn mouth of the anus expanding cylinder can be conveniently held by medical staff when the anus expanding cylinder is pushed, and the medical staff can be ensured to be more stable when the anus expanding cylinder is pushed. The horn mouth tip can reduce the sheltering from of a section of thick bamboo of expanding the anus to the realization, makes things convenient for medical personnel to observe the inside condition of anus, and conveniently passes the accurate position to patient's anus intestines inside with surgical instruments from a section of thick bamboo of expanding the anus.

9. The one-way valve is arranged on the hose connected between the output end of the injector and the annular cavity, so that backflow of lubricating liquid is avoided, cleanness and sanitation are guaranteed, and bacteria are prevented from invading the liquid outlet and the annular cavity due to backflow of the lubricating liquid. The valve plate is connected with the valve body through the spring, so that when the anus expanding cylinder is pushed, the input end of the injector pushes the one-way valve to a certain degree to be automatically opened, and the condition that lubricating liquid of the anus expanding cylinder is slightly pushed to flow out due to misoperation is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial block diagram of the present invention;

fig. 3 is a schematic view of the structure of the check valve.

In the figure, 1-base; 2-anus dilating cylinder; 3-a speed reducing mechanism; 4-a syringe; 5-a one-way valve; 11-an input chute; 12-an output chute; 13-anal dilatation cylinder chute; 21-an annular cavity; 22-liquid outlet holes; 23-anal dilatation cylinder slide block; 24-a flare tip; 31-input rack; 32-a reducer; 33-input gear; 34-an output gear; 35-output rack; 41-an injection cylinder; 42-a piston plate; 43-a piston rod; 51-a valve body; 52-a stop; 53-a valve plate; 54-a spring; 311-input slider; 351-output slider.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2, the lubrication device for anorectal surgery comprises a base 1 and an anus dilating cylinder 2, wherein one end of the anus dilating cylinder 2 is connected with a speed reducing mechanism 3, and the speed reducing mechanism 3 is arranged on the base 1; the base 1 is also connected with an injector 4 for containing lubricating liquid, and the input end of the injector 4 is connected with the output end of the speed reducing mechanism 3; an annular cavity 21 and a plurality of liquid outlet holes 22 are arranged in the anus expanding cylinder 2, the annular cavity 21 is communicated with the liquid outlet holes 22, and the output end of the injector 4 is communicated with the annular cavity 21 through a hose.

The speed reducing mechanism 3 is connected between the input end of the injector 4 and the anus expanding cylinder 2, so that the anus expanding cylinder 2 is pushed into the anus, the input end of the injector 4 can be synchronously pushed, and the lubricating liquid in the injector 4 can synchronously enter the annular cavity 21 of the anus expanding cylinder 2 and flow out from the liquid outlet holes 22. Therefore, when the anus expanding cylinder 2 is pushed to the anus, the lubrication liquid can be filled into the anus at the same frequency, and the good lubrication of the anorectal wall is ensured. When the anus dilating cylinder 2 is pushed, the lubricating liquid is synchronously filled into the anus, so that the damage of the anus dilating cylinder 2 to the wall of the anus and the intestine is avoided. The operation of pushing the anus expanding cylinder 2 and injecting the lubricating liquid only needs one person to carry out, and can keep synchronization, and the operation is convenient.

The speed reducing mechanism 3 comprises an input rack 31, the input rack 31 is connected with the anus expanding cylinder 2, a speed reducer 32 is installed on the base 1, an input end of the speed reducer 32 is connected with an input gear 33, and the input gear 33 is meshed with the input rack 31; the output end of the speed reducer 32 is connected with an output gear 34, the output gear 34 is meshed with an output rack 35, and the output rack 35 is connected with the input end of the injector 4.

When the anus expanding cylinder 2 is pushed, the anus expanding cylinder 2 drives the input rack 31 to move, and the output rack 35 drives the input gear 33 to rotate. The input gear 33 drives the reducer 32 to operate, the reducer 32 drives the output gear 34 to rotate, the output gear 34 drives the output rack 35 to move, and the output rack 35 can drive the input end of the injector 4 to move synchronously. Therefore, only the anus expanding cylinder 2 needs to be pushed, the input end of the injector 4 can be synchronously operated, the operation is carried out, in-time and synchronous lubrication can be ensured in the anus, and the injury to the anus is reduced.

Further, the input rack 31 is located on the side of the input gear 33 away from the output gear 34, and the output rack 35 is located on the side of the output gear 34 away from the input gear 33, and the input gear 33 and the output gear 34 are opposite in rotation. The input rack 31 is located on the side of the input gear 33 away from the output gear 34, and the output rack 35 is located on the side of the output gear 34 away from the input gear 33, so that the arrangement of the racks is convenient. The input gear 33 and the output gear 34 are opposite in rotation direction, so that the input rack 31 and the output rack 35 always move in the same direction, and the lubricating liquid in the injector 4 can be accurately input into the annular cavity 21 and flow out from the liquid outlet hole 22 when the anus expanding cylinder 2 is pushed, so that the anus is lubricated.

In order to ensure the moving stability of the input rack 31 and the output rack 35, the base 1 is respectively provided with an input chute 11 and an output chute 12, the input rack 31 is connected with an input slider 311, the input slider 311 is sleeved in the input chute 11, the output rack 35 is connected with an output slider 351, and the output slider 351 is sleeved in the output chute 12.

When the anus expanding cylinder 2 drives the speed reducing mechanism 3 to act, the input slide block 311 on the input rack 31 always slides in the input chute 11, the output slide block 351 on the output rack 35 always slides in the output chute 12, so that the input rack 31 can be accurately meshed with the input gear 33, the output gear 34 can be accurately meshed with the output rack 35, and the reliable transmission of motion is ensured.

The injector 4 comprises an injection tube 41, a piston plate 42 is arranged in the injection tube 41, a piston rod 43 is connected to the piston plate 42, the other end of the piston rod 43 extends out of the injection tube 41, and one end of the piston rod 43 extending out of the injection tube 41 is connected with the output end of the speed reducing mechanism 3; the chamber of the piston plate 42 in the barrel 41 remote from the piston rod 43 communicates with the annular chamber 21 via a hose.

When the anus expanding cylinder 2 is pushed in, the speed reducing mechanism 3 drives the piston rod 43 to move synchronously, and then the piston rod 43 drives the piston plate 42 to extrude the lubricating liquid. The lubricating liquid can smoothly enter the annular cavity 21 of the anus expanding cylinder 2 from the hose under the pushing of the piston plate 42 and flows out from the liquid outlet hole 22, so that the lubricating liquid can smoothly enter the anus. The movement of the piston rod 43 in the syringe 4 is always synchronized with the movement of the anal dilation barrel 2, so that the anus can be lubricated timely and sufficiently.

Furthermore, the diameter of a section of the anus dilating cylinder 2 far away from the basal body is gradually reduced. The diameter of one section of the anus dilating cylinder 2 far away from the basal body is gradually reduced, so that the anus dilating cylinder 2 is conveniently pushed into the anus, the human body can be ensured to gradually adapt to the entering of the anus dilating cylinder 2, the relaxation of a patient is facilitated, and the pain is reduced.

In order to ensure the moving stability of the anus dilating cylinder 2, the base 1 is provided with an anus dilating cylinder sliding groove 13, the anus dilating cylinder 2 is connected with an anus dilating cylinder sliding block 23, and the anus dilating cylinder sliding block 23 is sleeved in the anus dilating cylinder sliding groove 13. When the anus dilating cylinder 2 is pushed, the anus dilating cylinder sliding block 23 on the anus dilating cylinder 2 slides in the anus dilating cylinder sliding groove 13, so that the anus dilating cylinder 2 can be stably pushed. When the anus dilating cylinder 2 is stably pushed, the pain of a patient is reduced, and the anus dilating cylinder 2 can not damage the anorectal wall.

Furthermore, one end of the anus dilating cylinder 2, which is connected with the speed reducing mechanism 3, is provided with a bell-mouth end part 24, and the speed reducing mechanism 3 is connected with the bell-mouth end part 24. The horn mouth end part 24 of the anus expanding cylinder 2 can be conveniently held by medical staff when the anus expanding cylinder 2 is pushed, and the medical staff is guaranteed to be more stable when the anus expanding cylinder 2 is pushed. The horn mouth end part 24 can reduce the shielding of the anus expanding cylinder 2 to the realization, so that medical personnel can observe the internal condition of the anus conveniently, and surgical instruments can pass through the anus expanding cylinder 2 conveniently to perform the operation on the accurate position of the internal part of the anus and the intestine of a patient.

Furthermore, a one-way valve 5 is arranged on a hose connected between the output end of the injector 4 and the annular cavity 21; the one-way valve 5 comprises a valve body 51, a stopper 52 is fixed in the valve body 51, a valve plate 53 is hinged in the valve body 51, the valve plate 53 is positioned on one side of the stopper 52 close to the anus expanding cylinder 2, and a spring 54 is connected between the valve plate 53 and the valve body 51. The one-way valve 5 is arranged on the hose connected between the output end of the injector 4 and the annular cavity 21, so that backflow of the lubricating liquid is avoided, cleanness and sanitation are guaranteed, and bacteria are prevented from invading the liquid outlet 22 and the annular cavity 21 due to backflow of the lubricating liquid. The valve plate 53 is connected with the valve body 51 through the spring 54, so that when the anus expanding cylinder 2 is pushed, the input end of the injector 4 is pushed to a certain degree, the one-way valve 5 is automatically opened, and the condition that lubricating liquid of the anus expanding cylinder 2 flows out due to slight pushing of misoperation is avoided.