CN115317683A

CN115317683A - Auxiliary blood drawing device applied to endoscopic surgery

Info

Publication number: CN115317683A
Application number: CN202210982463.7A
Authority: CN
Inventors: 姚寒晖
Original assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Current assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-11

Abstract

The invention provides an auxiliary blood drawing device applied to an endoscopic surgery, which comprises a suction pipe body, wherein the suction pipe body is provided with a placing surface matched with the surface of a tissue to be sucked, the suction pipe body is provided with a suction port, the suction port is positioned on a wall body outside a wall body corresponding to the placing surface of the suction pipe body, and the suction pipe body can be communicated with negative pressure equipment. The suction port is arranged on the wall body outside the wall body corresponding to the placing surface of the suction pipe body, so that the suction port is not opposite to the incision position of the tissue to be sucked any more, the negative pressure in the blood suction process is effectively prevented from acting on the incision position for a long time, and the suture of the incision is facilitated.

Description

Auxiliary blood drawing device applied to endoscopic surgery

Technical Field

The invention belongs to the technical field of medical instrument design, and particularly relates to an auxiliary blood drawing device applied to endoscopic surgery.

Background

In endoscopic surgery, a puncture outfit is first used to puncture the inner cavity of a human body, and then various surgical instruments enter the human body through the puncture outfit to perform surgery on focus in the human body. In the process, because the surface of internal tissues of a human body such as internal organs can generate hematocele due to cutting of instruments such as an ultrasonic knife and the like, the existing solution is to use a thin catheter communicated with a negative pressure device to enter the human body from a puncture outfit for extraction, but the catheter directly acts on the surface of the internal tissues of the human body to continuously generate negative pressure to the tissues while sucking the hematocele, and further the suturing of an incision is influenced.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to provide an auxiliary blood drawing device applied in endoscopic surgery, so as to overcome the defects that the catheter generating negative pressure suction directly acts on the surface of the internal tissue of the human body to suck the accumulated blood and simultaneously causes negative pressure to the corresponding tissue to affect the suture of the incision.

In order to solve the above problems, the present invention provides an auxiliary blood drawing device, which includes a suction tube body having a placement surface matching with a surface of a tissue to be sucked, the suction tube body having a suction port, the suction port being located on a wall body other than a wall body corresponding to the placement surface of the suction tube body, the suction tube body being capable of communicating with a negative pressure device.

In some embodiments, the suction pipe body extends along a preset arc direction, the suction port is located on an inner arc side of the suction pipe body, and the suction port is provided in a plurality that are spaced along the extending direction of the suction pipe body.

In some embodiments, the suction tube body is preferably arcuate.

In some embodiments, the suction pipe body is in a ring shape, the suction port is located inside the ring shape of the suction pipe body, and the suction port has a plurality of suction ports which are arranged at intervals along the extension direction of the ring shape.

In some embodiments, the suction tube bodies extend along a straight line and have two suction tube bodies, the two suction tube bodies are hinged at first ends, the two suction tube bodies can be driven to open and close around a hinged position, and the suction port is arranged on one side of the two suction tube bodies opposite to each other.

In some embodiments, a liquid blocking section is connected between the second ends of the two suction pipe bodies; and/or each suction pipe body is provided with a plurality of suction ports which are arranged at intervals along the length direction of the corresponding suction pipe body.

In some embodiments, the liquid-blocking segment is a thin film.

In some embodiments, the auxiliary blood drawing device further comprises a hard handle tube, one end of the hard handle tube is communicated with the intra-tube flow passage of the suction tube body, and the other end of the hard handle tube is communicated with the negative pressure device; and/or the suction pipe body is made of silica gel or medical PVC material.

In some embodiments, communication between the one end of the rigid handle tube and the suction tube body is formed by a deformable tube.

In some embodiments, the deformable tube is a bellows.

According to the auxiliary blood drawing device applied to the endoscope operation, the suction port is arranged on the wall body outside the wall body corresponding to the placing surface of the suction pipe body, so that the suction port is not opposite to the incision position of a tissue to be sucked any more, negative pressure in the blood suction process is effectively prevented from acting on the incision position for a long time, and the suture of the incision is facilitated. In a specific embodiment, the opening of the suction port is oriented approximately parallel to the skin on the surface of the tissue to be sucked, so that the direct negative pressure action on the incision can be prevented while the blood suction efficiency is considered.

Drawings

Fig. 1 is a schematic structural view of an auxiliary blood drawing device according to a first embodiment of the present invention in a use state;

FIG. 2 is a schematic view of the deformable tube of the auxiliary blood drawing device of FIG. 1 being deflected at an angle;

FIG. 3 is a schematic structural view of an auxiliary blood drawing device according to a second embodiment of the present invention in a use state;

fig. 4 is a schematic structural view of an auxiliary blood drawing device according to a third embodiment of the present invention in a use state;

fig. 5 is a schematic structural view of an auxiliary blood drawing device according to a third embodiment of the present invention in an unused state.

The reference numerals are represented as:

1. a suction pipe body; 11. a suction port; 12. a liquid blocking section; 2. a rigid handle tube; 3. a deformable tube; 4. opening and closing control lines; 5. a rotating shaft.

Detailed Description

With reference to fig. 1 to 5, according to an embodiment of the present invention, an auxiliary blood drawing device, especially for use in endoscopic surgery, is provided, which includes a suction tube body 1, the suction tube body 1 has a placement surface matching with a tissue surface to be sucked, and the placement surface is specifically a contact surface of the auxiliary blood drawing device with the tissue surface to be sucked in a use state, and it can be understood that the placement surface should ensure that the position of the auxiliary blood drawing device in the use state is stable and reliable, the suction tube body 1 has a suction port 11, the suction port 11 is located on a wall body outside a wall body corresponding to the placement surface of the suction tube body 1, and the suction tube body 1 can communicate with a negative pressure device (such as a negative pressure machine, not shown). Among this technical scheme, suction opening 11 is set up on the wall body outside the wall body that the face of placing of suction tube body 1 corresponds to no longer just right with the incision position of treating the suction tissue, effectively prevent that the negative pressure of blood suction in-process from acting on the incision position for a long time, be favorable to the sewing up to the incision. In a particular embodiment, the opening of the suction port 11 is oriented substantially parallel to the skin of the surface of the tissue to be suctioned, preventing direct negative pressure effects on the incision while taking into account the blood suction efficiency.

In some embodiments, the suction pipe body 1 extends along a preset arc direction, the suction ports 11 are located on the inner arc side of the suction pipe body 1, the suction ports 11 are multiple, the multiple suction ports 11 are arranged at intervals along the extending direction of the suction pipe body 1, as shown in fig. 1, the suction pipe body 1 is in a major arc shape, that is, the suction pipe body 1 has two end portions, a gap is formed between the two end portions, the suction pipe body 1 of the structure can straighten the suction pipe body 1 from the gap position when being placed in a human body cavity, so that the placement process of the suction pipe body at the human body cavity position is facilitated, meanwhile, the suction pipe body 1 extending in an arc shape can also form a certain range of surrounding to the gap position, and can form a certain degree of surrounding to blood while ensuring the suction effect of blood (including blood mist), thereby ensuring more thorough hematocele suction.

As shown in fig. 3, in another possible embodiment, the suction pipe body 1 is annular, the suction ports 11 are located inside the annular suction pipe body 1, and the suction ports 11 are multiple, the multiple suction ports 11 are spaced along the extension direction of the annular shape, the annular suction pipe body 1 may bring certain disadvantages to the placement of the annular suction pipe body to the human body cavity, such as a puncture outfit with a larger passing pipe diameter is required to ensure the smooth entry of the suction pipe body 1, but it is more advantageous in the aspect of treating the human body surface wound, for example, the annular structure can completely surround the incision in the ring, the generated blood is blocked and sucked, and the 360 ° suction is more effective.

In another possible embodiment, as shown in fig. 4 and 5, the suction tube body 1 extends along a straight line and has two suction tube bodies 1, the two suction tube bodies 1 are hinged at their first ends (via a rotating shaft 5), the two suction tube bodies 1 can be driven to open and close around the hinged position, and the suction opening 11 is located on the opposite side of the two suction tube bodies 1. This kind of steerable suction tube body 1 that opens and shuts is applicable to very much and needs to place the condition in human inner chamber, especially in the endoscope operation, in the course of placing, be close to two suction tube bodies 1 each other closed, as shown in fig. 5, form a line structure, compact structure, small space occupation, can get into human inner chamber through the puncture ware very conveniently, then control two suction tube bodies 1 to separate each other and open after it is arranged in human inner chamber, as shown in fig. 4, form a roughly chevron shape structure, two suction tube bodies 1 are arranged in the both sides of incision respectively, surround to the incision formation certain limit, guaranteed the blood drawing effect. As a specific implementation manner, the first ends of the two suction tube bodies 1 are reliably connected to the opening and closing control line, when the auxiliary blood drawing device is placed at the target position, the opening and closing control line can be pulled to control the opening of the two suction tube bodies 1, and conversely, when the auxiliary blood drawing device needs to be taken out, the opening and closing control line can be pushed forward to control the closing of the two suction tube bodies 1.

In a better embodiment, be connected with between the second end that two suction tube bodies 1 respectively had and hinder liquid section 12, this hinders liquid section 12 specifically can be the film, and it can be accomodate along the closure of two suction tube bodies 1, follows opening and the tensioning of two suction tube bodies 1, forms a relative confined triangle region with two suction tube bodies 1 after its tensioning, and the coincidence is in this triangle region, prevents the turbulent flow of incision outflow blood, guarantees the effect of drawing blood. Each suction tube body 1 is provided with a plurality of suction ports 11, and the plurality of suction ports 11 are arranged at intervals along the length direction of the corresponding suction tube body 1, so that the effect of blood suction can be further ensured.

The auxiliary blood drawing device further comprises a hard handle tube 2, one end of the hard handle tube 2 is communicated with an inner tube flow channel of the suction tube body 1, the other end of the hard handle tube 2 is communicated with negative pressure equipment, the hard handle tube 2 is used as a connecting part of the negative pressure equipment on the one hand to ensure the convenience and reliability of connection, and the other hand is used as a handheld end of medical personnel so that the medical personnel can conveniently send the whole device into a human inner cavity through a puncture outfit.

Suction tube body 1 adopts silica gel or medical PVC material etc. to have the material preparation of certain pliability to can make it can take place certain deformation passing the puncture ware in-process, the device of being convenient for place and withdraw from, can also prevent the damage that probably causes human tissue simultaneously, in addition, the material that has the pliability can also promote its and human tissue surface laminating degree, and then makes the blood of outflow gather in the incision position and be convenient for thoroughly suck the discharge.

In some embodiments, the rigid handle tube 2 communicates with the suction tube 1 at one end thereof via a deformable tube 3, and in particular the deformable tube 3 is a bellows tube. The deformable tube 3 can be twisted to adjust the direction, after the device is sent to the inner cavity of the human body, the puncture needle is also sent to the human body by the puncture device, and the position of the suction tube body 1 can be adjusted by adopting the puncture needle to extrude the deformable tube 3.

It should be noted that, compared with the existing blood drawing device, the auxiliary blood drawing device of the present invention has smaller volume and flexible operation and application, and is more convenient for the doctor to operate in the operation.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims

1. The auxiliary blood drawing device applied to the endoscopic surgery is characterized by comprising a suction pipe body (1), wherein the suction pipe body (1) is provided with a placing surface matched with the surface of a tissue to be sucked, a suction port (11) is formed in the suction pipe body (1), the suction port (11) is located in a wall body of the suction pipe body (1) except for a wall body corresponding to the placing surface, and the suction pipe body (1) can be communicated with negative pressure equipment.

2. The auxiliary blood drawing device according to claim 1, wherein the suction tube body (1) extends along a preset arc direction, the suction port (11) is located at an inner arc side of the suction tube body (1), and the suction port (11) has a plurality of suction ports (11) which are arranged at intervals along the extending direction of the suction tube body (1).

3. An auxiliary blood drawing device according to claim 2, wherein the suction tube body (1) is preferably arc-shaped.

4. The auxiliary blood drawing device according to claim 1, wherein the suction tube body (1) is annular, the suction ports (11) are arranged inside the annular shape of the suction tube body (1), and the suction ports (11) are provided in plurality, and the plurality of suction ports (11) are arranged at intervals along the extension direction of the annular shape.

5. The auxiliary blood drawing device according to claim 1, wherein the two suction tube bodies (1) extend in a straight line and have two ends, the two suction tube bodies (1) are hinged at first ends, the two suction tube bodies (1) can be driven to open and close around the hinged position, and the suction port (11) is arranged on the side of the two suction tube bodies (1) opposite to each other.

6. The auxiliary blood drawing device according to claim 5, wherein a liquid blocking section (12) is connected between the second ends of the two suction tube bodies (1); and/or each suction pipe body (1) is provided with a plurality of suction ports (11), and the plurality of suction ports (11) are arranged at intervals along the length direction of the corresponding suction pipe body (1).

7. The device of claim 6, wherein the fluid blocking section (12) is a membrane.

8. The auxiliary blood drawing device according to any one of the claims 1 to 7, further comprising a rigid handle tube (2), wherein one end of the rigid handle tube (2) is communicated with the tube flow passage of the suction tube body (1), and the other end of the rigid handle tube (2) is communicated with the negative pressure device; and/or the suction pipe body (1) is made of silica gel or medical PVC material.

9. An auxiliary blood drawing device according to claim 8, wherein the one end of the rigid handle tube (2) is in communication with the suction tube body (1) via a deformable tube (3).

10. The device for the assisted blood withdrawal according to claim 9, characterized in that the deformable tube (3) is a bellows.