CN217090811U - Rectum expansion and hemostasis device - Google Patents

Abstract

The utility model relates to the field of medical equipment, in particular to a rectum dilating and hemostatic device, which comprises a tube body and elastic structures which deform in the horizontal direction, wherein at least three elastic structures are arranged around the tube body; the center of the cross section of the elastic structure is located on the same vertical line, the largest cross section of the elastic structure is along the pipe body, and the pipe body is gradually reduced from top to bottom and is adjacent to the elastic structure. Simple structure, convenient operation can carry out nimble hemostasis operation according to the concrete position of bleeding in the rectum, is carrying out the hemostasis by compression's in-process, has maintained the human normal excretory needs of carrying out physiology exhaust, makes rectum expansion and hemostasis device can leave the human body in for a long time to be used for the local hemostasis after various rectal surgery. The rectum dilating and hemostatic device effectively avoids friction on the rectal wound during excretion, reduces risks of secondary trauma and infection, and provides a better environment for wound healing.

Description

Rectum expansion and hemostasis device

Technical Field

The utility model relates to the field of medical equipment, more specifically relates to a rectum expansion and hemostasis device.

Background

Anorectal disease refers to a disease that occurs in the anal and large bowel locations, with the largest occurrence in the anorectal bowel segment. Common anus diseases comprise hemorrhoids, anal fistula, rectal cancer, rectal prolapse and the like, and the most basic treatment means of the current anus and intestine diseases is intervention by adopting surgical operation. However, because the anal canal tissue is rich in blood supply, the tissue is soft and there is no supportive hard skeletal tissue upon which to rely. Bleeding is great at the suture needle eye and the operation stripping surface after surgical operation, and bleeding of an anastomotic stoma after the surgical operation is a common complication, and bleeding is possible within 24 to 48 hours after the surgical operation and sometimes 1 week or more after the surgical operation.

Therefore, after the hemostasis is completely performed in the operation, in order to prevent the postoperative bleeding, the gauze roll and the like are mainly used for anal canal compression drainage and bleeding observation after clinical operation. However, the treatment mode has the defects that the rectal compression symptom of a patient is obvious, the patient has strong pain, the anorectal excrement discharge is blocked, the postoperative observation of the drainage condition is not facilitated, and the patient is inconvenient and painful due to the filling of the columnar objects. And the surface of the gauze is rough, so that the anal tube operation incision is easy to lose when the gauze is taken out, secondary bleeding is caused, and great danger is brought to the recovery of a patient. And after the rectal cancer operation, besides the problem of hemostasis, the problem of narrow rectum anastomosis stoma needs to be further solved, if the rectum anastomosis stoma is not processed in time, the postoperative body function of a patient is easily affected, and the rehabilitation of the patient is influenced. The prior art has low joint degree with the anorectal canal, and has unsatisfactory expansion effect on anastomotic stoma and hemostatic effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcoming above-mentioned prior art's at least one defect (not enough), provide a rectum expansion and hemostasis device for solve the narrow expansion of rectum of how to improve patient's postoperative, the problem of the postoperative physiological excretion of haemorrhoids and protection wound.

The technical scheme adopted by the utility model is that the rectum dilating and hemostatic device comprises a tube body and elastic structures which deform in the horizontal direction, wherein at least three elastic structures are arranged around the tube body; the center of the cross section of the elastic structure is located on the same vertical line, the largest cross section of the elastic structure is along the pipe body, and the pipe body is gradually reduced from top to bottom and is adjacent to the elastic structure. In the technical scheme, the rectum dilating and hemostatic device is arranged in the rectum; the tube body is used for supporting the integral structure and forming a passage for excrement to pass through; the elastic structure is used for pressing the wound on the inner wall of the rectum to form continuous compression hemostasis.

Specifically, the tube body is excreted in place of a portion of the rectum; under the guide of the elastic structure, the direct contact of excrement and the rectal wound is avoided, the secondary injury of the excrement to the rectal wound is reduced, bleeding is effectively stopped, and the rectal wound is promoted to heal. The elastic structure is in a contracted state before being inactivated, and is convenient to place and enter the rectum, when the elastic structure is expanded after being activated, the elastic structure is transversely expanded to abut against the inner wall of the rectum, and the rectum expanding and hemostasis device is fixed at a preset position and presses a wound; after the use is finished, the elastic structure is transversely contracted again, so that the elastic structure is convenient to take out; the elastic structure has the largest cross section after being completely expanded, and the shape of the elastic structure gradually decreases from top to bottom in a design of matching with the rectum; the adjacent two elastic structures are connected to each other to help ensure that the whole section of the inner wall of the rectum at the position of the rectum expansion and hemostasis device can be in an action range, so that the placing difficulty of the rectum expansion and hemostasis device is reduced, and the compression hemostasis can be implemented without accurately enabling the elastic structures to be over against the wound. The elastic structures are designed to realize flexible controllability of the hemostasis position, accurately select the compression point and reduce the pressing position to the rectum, so that the influence of the rectum expansion and hemostasis device on the rectum and the discomfort of a user are reduced.

Preferably, the upper surface of the uppermost elastic structure is not lower than the upper opening of the tube body. In the technical scheme, the upper opening of the tube body is an excrement inlet; the elastic structure is transversely deformed and the upper surface of the elastic structure is not lower than the upper opening of the pipe body, so that excrement accumulation between the pipe body and the elastic structure is avoided. In particular, avoiding the accumulation of fecal matter on the rectal dilation and hemostasis device helps to reduce bacterial growth and reduce the wind direction to wound infection.

Preferably, the elastic structure comprises: the elastic expansion joint comprises an upper limiting surface, a lower limiting surface and an elastic expansion surface arranged between the upper limiting surface and the lower limiting surface. In the technical scheme, the upper limiting surface is used for limiting the upward expansion of the elastic structure when the elastic structure expands; the lower limiting surface is used for limiting the elastic structure to downwards extend; the elastic telescopic surface is used for expanding from the side surface towards the direction far away from the pipe body. Specifically, the upper limiting surface and the lower limiting surface are combined to play a role in limiting the deformation and expansion of the elastic structure; by the extension of the elastic telescopic surface, the deformation of the elastic structure can be utilized to a greater extent.

Preferably, the upper and lower limiting surfaces, the elastically stretchable surface, and the surface of the pipe body form a sealed air bag. In the technical scheme, the air bag is used for enabling the elastic structure to be effective through simple inflation, and the expansion of the elastic structure is realized through inflation. Specifically, the air bag is formed by combining an elastic structure with the inner wall of the tube body, so that the structure is simple and the cost is low.

Preferably, a sealed air bag is arranged in the elastic structure, and the air bag is connected with the pipe body. In this solution, the balloon is used to control the expansion and contraction of the elastic structure by its own deformation. Specifically, the advantage of utilizing the gasbag inflation of inside implantation, shrink control elastic structure effect has promoted holistic stability, makes elastic structure more firm moreover, and safety and effectiveness is better. The elastic structure protects the air bag to a certain extent, and even if the outer surface of the elastic structure is punctured, the failure can not be directly caused.

Preferably, the air bag is provided with a charging and discharging opening, the charging and discharging opening is formed in the tube body, and a control pipeline extending out of the tube body is arranged on the charging and discharging opening. In the technical scheme, the inflation and deflation port is used for controlling the expansion and contraction of the air bag by injecting or releasing gas; the pipe body is arranged on the pipe body and is used for being communicated with the outside by the pipe body; the control pipeline is used for injecting gas into the charging and discharging port outside the rectum dilating and hemostatic device. Specifically, the inflation and deflation ports realize the control of the air bag; the pipe body is arranged on the pipe body and used for reducing the use limit of the charging and discharging port and fully utilizing the hollow characteristic of the pipe body; the control pipeline is an extension of the charging and discharging port, so that the charging and discharging port can be still inflated at a position far away from the charging and discharging port, and the operation is convenient.

Preferably, the charging and discharging port is provided with a one-way charging port and a discharging structure. In the technical scheme, the one-way inflation inlet is used for one-way air inlet and leakage prevention when the air bag needs to be inflated; the deflation structure is used for enabling the one-way inflation port to fail when the air bag needs to be contracted, eliminating the limitation of the one-way inflation port to exhaust the air bag, and enabling the air bag to be contracted again. In particular, the one-way inflation port can be an opening provided with a check valve; the air release structure can be a structure which is arranged on the check valve and used for opening the valve; but also can be a thin wall which is additionally arranged at one position of the connecting air bag and is used for facilitating puncture to cause air leakage of the air bag. The deflation structure is arranged to ensure that the air bag can be operated by an external tool, eliminate the blockage of the check valve to the air in the air bag and realize the switching between the expansion and the contraction.

Preferably, the control conduit is a water-soluble tube. In the technical scheme, after the water-soluble pipe is used for inflating the air bag, the control pipeline can automatically fall off and be eliminated. In particular, the water-soluble tube helps to avoid the formation of blockages in the tube body, and after one-time inflation use, the control tube is quickly and conveniently separated by utilizing the environmental effect or actively providing conditions.

Preferably, the pipe body is a rigid pipe; each of the bladders has an independent inflation and deflation port and a control conduit. In the technical scheme, the independent charging and discharging port and the control pipeline are used for independently controlling each air bag; particularly, the design is favorable for flexibly and accurately implementing hemostasis operation, reducing the compression area to the rectum, avoiding large-area influence on blood supply of the rectum and reducing the influence of the rectum expansion and hemostasis device on the human body. Meanwhile, the independent control avoids mutual interference among the air bags, and improves the effectiveness of the rectum dilating and hemostatic device. The rectal dilation and hemostasis device, except for the control conduit, can be made of a medical rubber or silica gel material, preferably a transparent material. The tube body has certain rigidity, so that bending and deformation are avoided to block excretion, and the transparent material can also facilitate observation of the hemostatic effect.

Preferably, the inner diameter of the pipe body is 15mm to 25 mm; the length of body is 70mm to 100 mm. In the technical scheme, the limitation of the diameter and the length is used for improving the adaptability of the rectum dilating and hemostatic device; in particular, the smooth evacuation of the user can be ensured by the definition of the inner diameter; while the length limitation helps to match the length of the rectum itself. The size limitation accords with the human structure, and the rectum part above the anal canal dentate line of most of common patients can clamp the elastic structure tightly, so that the problem of looseness or improper pressing is not easy to occur.

Compared with the prior art, the beneficial effects of the utility model are that: simple structure, convenient operation can carry out nimble hemostasis operation according to the concrete position of bleeding in the rectum, is carrying out the hemostasis by compression's in-process, has maintained the human normal excretory needs of carrying out physiology exhaust, makes rectum expansion and hemostasis device can leave the human body in for a long time to be used for the local hemostasis after various rectal surgery. Meanwhile, the self expansibility is good, so that the stent can be effectively used for the problem of narrow rectum anastomosis stoma after rectal cancer operation, and provides sufficient expansion effect. The rectum dilating and hemostatic device effectively avoids friction on the rectal wound during excretion, reduces risks of secondary trauma and infection, provides a better environment for wound healing, and can provide a good dilating effect.

Drawings

Fig. 1 is a schematic view of the present invention before inflation.

Fig. 2 is a schematic diagram of the utility model after inflation.

Fig. 3 is a schematic view of the present invention applied in rectum.

Description of reference numerals: the flexible pipe comprises a pipe body 100, an elastic structure 200, an upper limiting surface 210, a lower limiting surface 220, an elastic telescopic surface 230, an air bag 240, a charging and discharging port 250 and a control pipeline 260.

Detailed Description

The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For the purpose of better illustrating the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1, the present embodiment is a rectal expanding and hemostatic device, which includes a tube 100 and at least three elastic structures 200 deformed in a horizontal direction, wherein the elastic structures 200 are disposed around the tube 100; the centers of the cross sections of the elastic structures 200 are located on the same vertical line, the maximum cross section of the elastic structure 200 is gradually reduced from top to bottom along the tube 100, and two adjacent elastic structures 200 are connected. The upper surface of the uppermost elastic structure 200 is not lower than the upper opening of the tube body 100. The elastic structure 200 includes: an upper limit surface 210, a lower limit surface 220, and an elastically stretchable surface 230 disposed between the upper limit surface 210 and the lower limit surface 220. The upper and lower limiting surfaces 210, 220, the elastic expansion and contraction surface 230 and the surface of the tube 100 form a sealed air bag 240.

The balloon 240 is used to enable the elastic structure 200 to be activated by a simple inflation, with the inflation being used to effect expansion of the elastic structure 200. In this embodiment, the upper limiting surface 210, the lower limiting surface 220, the elastic expansion surface 230 and the surface of the tube 100 are connected by welding to form an annular air bag 240. The air bag 240 is provided with an inflation/deflation port 250, the inflation/deflation port 250 is arranged on the tube body 100, and the inflation/deflation port 250 is provided with a control pipeline 260 extending out of the tube body 100. The charging and discharging port 250 is provided with a one-way charging port and a discharging structure. The control conduit 260 is a water-soluble tube. The pipe body 100 is a rigid pipe; each air bag 240 has an independent inflation and deflation port 250 and a control conduit 260. The inner diameter of the tube 100 is 20mm and the length of the tube 100 is 80 mm.

Example 2

As shown in fig. 2, the rectum dilating and hemostatic device of the present embodiment includes a tube 100 and three elastic structures 200 deformed in a horizontal direction, wherein the three elastic structures 200 are disposed around the tube 100; the centers of the cross sections of the elastic structures 200 are located on the same vertical line, the maximum cross section of the elastic structure 200 is gradually reduced from top to bottom along the tube 100, and two adjacent elastic structures 200 are connected. The rectum dilating and hemostatic device is arranged in the rectum; the tube 100 serves to support the overall structure and to form a passage through which excreta pass; as shown in fig. 3, the elastic structure 200 is used to form a continuous compression hemostasis against a wound on the inner wall of the rectum. In this embodiment, the tube 100 and the elastic structure 200 are made of silicone, and the tube 100 has a certain rigidity so that it will not be folded, thereby preventing the tube 100 from being blocked and obstructing excretion; the tube 100 is a circular tube, and the number of the elastic structures 200 is three to six, so as to form a stack with a large top and a small bottom. The cross section of the elastic structure 200 is a circular ring, and the center of the middle cross section of all the elastic structures 200 is coincident with the center line of the pipe body 100.

The upper surface of the uppermost elastic structure 200 is not lower than the upper opening of the tube body 100. The upper opening of the tube body 100 is an excrement inlet; the lateral deformation of the elastic structure 200 in combination with the upper surface of the elastic structure 200 not being lower than the upper opening of the tube 100 serves to prevent the accumulation of excreta between the tube 100 and the elastic structure 200. In this embodiment, the upper opening of the tube 100 is lower than the upper surface of the uppermost elastic structure 200, and a smooth inclined surface inclined toward the middle tube 100 is formed therebetween. The elastic structure 200 includes: an upper limit surface 210, a lower limit surface 220, and an elastically stretchable surface 230 disposed between the upper limit surface 210 and the lower limit surface 220. The upper limiting surface 210 is used for limiting the elastic structure 200 from expanding upwards; the lower limiting surface 220 is used for limiting the elastic structure 200 to move downwards when expanding; the elastically stretchable surface 230 is adapted to be laterally expanded in a direction away from the pipe body 100.

In this embodiment, the upper and lower restraint faces 210, 220 can be non-extensible inelastic films; the elastic expansion surface 230 can be an elastic film, and in two adjacent elastic structures 200, the upper limiting surface 210 of the elastic structure 200 located below is connected with the lower limiting surface 220 of the elastic structure 200 located above. A sealed bladder 240 is provided within the flexible structure 200, the bladder 240 being connected to the body 100. The balloon 240 serves to control the expansion and contraction of the elastic structure 200 using its own deformation. In this embodiment, the upper limiting surface 210, the lower limiting surface 220, the elastic expansion surface 230 and the surface of the tube 100 are connected by welding, the air bag 240 is interposed therebetween, and the air bag 240 is connected to the tube 100. The air bag 240 is provided with an inflation/deflation port 250, the inflation/deflation port 250 is arranged on the tube body 100, and the inflation/deflation port 250 is provided with a control pipeline 260 extending out of the tube body 100.

The inflation/deflation port 250 is used to control the expansion and contraction of the balloon 240 by injecting or releasing gas; a pipe body 100 for communicating with the outside by means of the pipe body 100; the control tube 260 is used to inject gas into the inflation and deflation port 250 outside the rectal dilation and hemostasis device. In this embodiment, the inflation/deflation port 250 is embedded in the inner wall of the tube 100, one side of the inflation/deflation port is communicated with the air bag 240, and the other side of the inflation/deflation port is communicated with the hollow position of the tube 100, so as to form the separation and control between the air bag 240 and the middle part of the tube 100. The control channel can be a flexible tube with one end sleeved at the position of the charging and discharging port 250, and the flexible tube passes through the lower opening of the rectum dilating and hemostatic device and extends to the outside of the tube body 100. The charging and discharging port 250 is provided with a one-way charging port and a discharging structure.

The one-way inflation inlet is used for one-way air intake and leakage prevention when the air bag 240 needs to be inflated; the deflation structure is used for disabling the one-way inflation port when the air bag 240 needs to be deflated, and the limitation of the one-way inflation port is eliminated to perform the deflation of the air bag 240, so that the air bag 240 is deflated again. In this embodiment, the one-way inflation port and the deflation structure are integrated. The one-way inflation port can be a silica gel check valve. The control conduit 260 is a water-soluble tube. The water-soluble tube is used for controlling the pipeline 260 to automatically fall off and eliminate after the air bag 240 is inflated. The pipe body 100 is a rigid pipe; each bladder 240 has an independent inflation and deflation port 250 and a control conduit 260. An independent inflation and deflation port 250 and a control conduit 260 are used to independently control each air bag 240. The definition of diameter and length is used for improving the adaptability of the rectum expansion and hemostasis device; in this embodiment, the tube 100 can be a circular tube with an inner diameter of 20mm and a length of 80 mm. The elastic structure 200 can be a circular ring sleeved on the pipe body 100, and the outer diameter of the elastic structure 200 is 25mm-50 mm.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A rectum dilating and hemostatic device is characterized by comprising a tube body and elastic structures which deform in the horizontal direction, wherein at least three elastic structures are arranged around the tube body; the center of the cross section of the elastic structure is located on the same vertical line, the largest cross section of the elastic structure is along the pipe body, and the pipe body is gradually reduced from top to bottom and is adjacent to the elastic structure.

2. A rectal dilation and hemostasis device according to claim 1, wherein the upper surface of the uppermost resilient structure is no lower than the upper opening of the tube.

3. A rectal dilation and hemostasis device according to claim 1, wherein the resilient structure includes: the elastic expansion joint comprises an upper limiting surface, a lower limiting surface and an elastic expansion surface arranged between the upper limiting surface and the lower limiting surface.

4. A rectal dilation and hemostasis device as claimed in claim 3, wherein the upper and lower limiting surfaces, the resilient and expandable surface and the surface of the tube form a sealed balloon.

5. A rectal dilation and hemostasis device according to claim 3, wherein a sealed balloon is provided within the flexible structure, the balloon being connected to the tube.

6. A rectal dilation and hemostasis device according to any one of claims 4-5, wherein the balloon is provided with a filling and discharging port, the filling and discharging port is arranged on the tube body, and a control pipeline extending out of the tube body is arranged on the filling and discharging port.

7. A rectal dilation and hemostasis device according to claim 6, wherein the inflation/deflation port is provided with a one-way inflation port and a deflation structure.

8. A rectal dilation and hemostasis device according to claim 6, wherein the control conduit is a water-soluble tube.

9. A rectal dilation and hemostasis device according to claim 6, wherein the tube is a rigid tube; each of the bladders has an independent inflation and deflation port and a control conduit.

10. A rectal dilation and hemostasis device according to claim 1, wherein the tube has an inner diameter of 15mm to 25 mm; the length of body is 70mm to 100 mm.

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