CN109106429B - A pelvic floor surgical trocar for medical surgery - Google Patents

Abstract

The invention relates to the technical field of medical equipment, and discloses a pelvic floor surgical trocar for medical surgery, comprising a top seat, two sides of the top of the top seat are respectively provided with rectangular grooves, and the middle part of the inner back of the rectangular groove is hinged with Passive buckle, the bottom end of one side of the passive buckle is fixedly connected with a return spring, the other end of the return spring is fixedly connected to one side inside the rectangular slot, and the bottom end of the other side of the passive buckle is fixedly connected There is an L-shaped rod, and the top end of the L-shaped rod penetrates and extends above the rectangular slot. The pelvic floor surgery trocar for medical surgery is used in conjunction with a compression spring, a cylinder and a round rod, so that the distance between the rectangular plate and the top seat can be changed, so that palms of different sizes can grasp the pelvic floor for medical surgery. The surgical trocar makes it easier for doctors to apply force during use, thereby achieving the purpose of easier grasping and applying force of the pelvic floor surgical trocar for medical surgery.

Description

A pelvic floor surgical trocar for medical surgery

technical field

The invention relates to the technical field of medical equipment, in particular to a pelvic floor surgery trocar for medical surgery.

Background technique

The trocar for pelvic and abdominal surgery is a medical product. It has the effect of providing instrument channels for minimally invasive abdominal and pelvic surgery. It can be used in all kinds of minimally invasive surgery. , has incomparable advantages over traditional puncture instruments.

In view of the defects of the prior art, a Chinese patent (publication number: CN101474089A) proposes a high-reliability puncture device, which has the advantages of preventing the occurrence of skin flipping and improving the sealing effect after the surgical instrument is drawn out, The movement resistance of the surgical instrument is small, and the motor can measure the temperature in real time, but there are still the following defects to be solved: the length of the puncture knife of the high-reliability trocar is fixed, so the difference between the epidermis and the fat layer at the bottom of the epidermis is different. The patient cannot make the puncture sleeve reach the ideal position or even pass through the fat layer. The puncture device needs to be manually pushed into the patient's body by the doctor, but each doctor's palm is different, and the doctor with the larger palm pushes the puncture device through the palm It is easy to tilt the trocar, which is inconvenient to grasp and apply force. The trocar is not easily separated from the epidermis of the patient through the bellows on the puncture sleeve. There is a situation of shaking back and forth, left and right, and the stability is poor.

SUMMARY OF THE INVENTION

The present invention provides a pelvic floor surgery trocar for medical surgery, which has the advantages of being easier for the operator to grasp and apply force, adaptable to people with different thicknesses of the epidermis, and high in stability, and solves the problem of the high reliability trocar. The length of the trocar is fixed, so when used on patients with different epidermis and fat layers at the bottom of the epidermis, the puncture sleeve cannot reach the ideal position or even pass through the fat layer, and the trocar needs to be manually pushed by the doctor to the patient's body. In the body, but the size of each doctor's palm is different. The doctor with the larger palm pushes the trocar through the palm, which is prone to tilting of the trocar, which is inconvenient to hold and apply force. The trocar passes through the bellows on the puncture sleeve. It is separated from the epidermis layer of the patient, but when the operating detection instrument or the surgical tool enters the human body through the puncture sleeve, it will shake back and forth, left and right, and the stability is poor.

The present invention provides the following technical solutions: a pelvic floor surgery trocar for medical surgery, comprising a top seat, two sides of the top of the top seat are respectively provided with rectangular grooves, and the middle part of the inner back of the rectangular groove is hinged with a passive buckle, The bottom end of one side of the passive buckle is fixedly connected with a return spring, the other end of the return spring is fixedly connected to one side inside the rectangular groove, and the bottom end of the other side of the passive buckle is fixedly connected with an L-shaped rod , the top end of the L-shaped rod penetrates and extends to the top of the rectangular slot, and the interior of the rectangular slot is movably sleeved with an active buckle, the active buckle is located on the side of the passive buckle away from the L-shaped rod, and the active buckle is active. The bottom end of the buckle is clamped with the top end of the passive buckle, the top end of the active buckle penetrates and extends to the top of the rectangular slot and is fixedly connected with a square, and the bottom end of the top seat is fixedly installed with an upper puncture sleeve, The bottom end of the upper puncture sleeve is provided with an annular groove, the inner thread of the annular groove is sleeved with an annular block, the bottom end of the annular block penetrates and extends to the bottom of the annular groove and is fixedly connected with the lower puncture sleeve The middle of the bottom end of the square is fixedly connected with an upper puncture knife located inside the upper puncture sleeve, the bottom end of the upper puncture knife is threadedly sleeved with a lower puncture knife located inside the lower puncture sleeve, and the lower puncture knife is one The middle part of the side is provided with a clamping slot, the middle part of the lower puncture sleeve close to the clamping slot is fixedly sleeved with a telescopic rod, the other end of the telescopic rod is fixedly connected to the clamping block, and the outer part of the telescopic rod is movably sleeved There is a ring spring, the middle parts of the two sides of the top seat are respectively fixed with cylinders, the inner part of the cylinder is movably sleeved with a round rod, the other end of the round rod penetrates and extends to the outside of the cylinder and is fixedly connected There is a rectangular plate, the outside of the round rod is movably sleeved with a compression spring located inside the cylinder, the four corners of the bottom end of the top seat are respectively hinged with sleeve rods, and the inner side of the sleeve rod is movably sleeved with a square rod. The middle part of one side of the square rod is provided with a chute, the bottom end of the sleeve rod close to the chute is threadedly sleeved with a threaded rod, and the bottom end of the threaded rod is fixedly connected with a splint located inside the chute. The bottom end of the rod penetrates and extends to the outside of the sleeve rod and is hinged with a disc.

Preferably, the middle part of the upper puncture sleeve is fixedly sleeved with corrugated rings, and the number of corrugated rings on the upper puncture sleeve is eight.

Preferably, one end of the annular spring is fixedly connected to one side of the clamping block, and the other end of the annular spring is fixedly connected to one side of the lower puncture sleeve.

Preferably, one end of the clamping block penetrates and extends into the interior of the clamping slot, and the front and back of the clamping block are respectively slidably connected to the front and back inside the clamping slot.

Preferably, one end of the round rod is fixedly connected with a round block located inside the cylinder, and the outside of the round block on the round rod is slidably connected with the inside of the cylinder.

Preferably, one end of the compression spring is fixedly connected to one end inside the cylinder, and the other end of the compression spring is fixedly connected to one end of the round rod.

Preferably, the inner shape of the sleeve rod is square, and the inner part of the sleeve rod is slidably connected with the outer part of the square rod.

Preferably, rubber strips are fixedly connected to the bottom end of the splint, and the number of rubber strips on the splint is four.

The present invention has the following beneficial effects:

1. The pelvic floor surgery trocar for medical surgery is used in conjunction with a compression spring, a cylinder and a round rod, so that the distance between the rectangular plate and the top seat can be changed, so that palms of different sizes can grasp the medical surgery. The pelvic floor surgery trocar makes it easier for doctors to apply force during use, thereby achieving the purpose of easier grasping and force application of the pelvic floor surgery trocar for medical surgery.

2. The pelvic floor surgery trocar for medical surgery is used in conjunction with an annular spring, a telescopic rod, a clamping block, a clamping groove, an annular block and an annular groove, so that when the lower puncture sleeve rotates, the lower puncture knife can also rotate together, thereby changing the The distance value between the bottom end of the lower puncture sleeve and the bottom end of the lower puncture knife and the top seat, so as to achieve the purpose that the pelvic floor surgical trocar for medical surgery can be adapted to people with different thicknesses of the epidermis.

3. The pelvic floor surgical trocar for medical surgery is used in conjunction with the chute, the threaded rod and the splint, so that the square rod extends out of the sleeve rod, and can be fixed when the disc contacts the human body, so that the square rod and the The sleeve rod can support and limit the top seat, so that when the detection instruments and surgical tools enter the human body through the upper puncture sleeve and the lower puncture sleeve, the pelvic floor surgical trocar for medical surgery will not shake back and forth, left and right. Thus, the stability of the pelvic floor surgical trocar for medical surgery is improved.

Description of drawings

Fig. 1 is the structural representation of the present invention;

2 is a schematic diagram of a card block of the structure of the present invention;

Fig. 3 is the enlarged schematic diagram of A place of the structure of the present invention;

FIG. 4 is an enlarged schematic view of the B position of the structure of the present invention.

In the figure: 1. Top seat; 2. Rectangular groove; 3. Passive snap; 4. Return spring; 5. L-shaped rod; 6. Active snap; 7. Square; 8. Upper puncture sleeve; 9. Ring Slot; 10, annular block; 11, lower puncture sleeve; 12, upper puncture knife; 13, lower puncture knife; 14, clamping slot; 15, telescopic rod; 16, clamping block; 17, annular spring; 18, cylinder ; 19, round rod; 20, rectangular plate; 21, compression spring; 22, sleeve rod; 23, square rod; 24, chute; 25, threaded rod; 26, splint; 27, disc.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Fig. 1-4, a pelvic floor surgical trocar for medical surgery, including a top seat 1, rectangular grooves 2 are respectively opened on both sides of the top of the top seat 1, and a passive buckle 3 is hinged in the middle of the inner back of the rectangular groove 2 , the bottom end of one side of the passive buckle 3 is fixedly connected with a return spring 4, the other end of the return spring 4 is fixedly connected to one side inside the rectangular slot 2, and the bottom end of the other side of the passive buckle 3 is fixedly connected with an L-shaped rod 5. The top end of the L-shaped rod 5 penetrates and extends to the top of the rectangular slot 2. An active buckle 6 is movably sleeved inside the rectangular slot 2. The active buckle 6 is located on the side of the passive buckle 3 away from the L-shaped rod 5. And the bottom end of the active buckle 6 is connected with the top of the passive buckle 3. Through the cooperation of the active buckle 6, the passive buckle 3, the return spring 4 and the L-shaped rod 5, the block 7 can be easily fixed on the top. The base 1 is on or separated from the top base 1, which facilitates the installation and disassembly of the upper puncture knife 12 and the lower puncture knife 13. The top of the active buckle 6 penetrates and extends to the top of the rectangular groove 2 and is fixedly connected with a block 7. The bottom end of the seat 1 is fixedly installed with an upper puncture sleeve 8, the middle part of the upper puncture sleeve 8 is fixedly sleeved with corrugated rings, and the number of corrugated rings on the upper puncture sleeve 8 is eight, through the eight upper puncture sleeves 8. The corrugated ring increases the friction between the upper puncture sleeve 8 and the human epidermis, so that the detection instruments and surgical tools will not be disturbed by shaking when they enter the human body through the upper puncture sleeve 8 and the lower puncture sleeve 11. The upper puncture sleeve 8 and the lower puncture sleeve 11 are separated from the human body, thereby improving the stability of the pelvic floor surgical trocar for medical surgery. The bottom end of the upper puncture sleeve 8 is provided with an annular groove 9, and the inner thread of the annular groove 9 is The annular block 10 is sleeved, the bottom end of the annular block 10 penetrates and extends to the bottom of the annular groove 9 and is fixedly connected with the lower puncture sleeve 11, and the middle of the bottom end of the square block 7 is fixedly connected with the upper puncture sleeve 8 inside the upper puncture sleeve 8. Knife 12, the bottom end of the upper puncture knife 12 is threadedly sleeved with a lower puncture knife 13 located inside the lower puncture sleeve 11; The middle part of one side of the 14 is fixedly sleeved with a telescopic rod 15, and the other end of the telescopic rod 15 is fixedly connected to the clamping block 16. The front and back of the slot 14 are slidably connected to ensure that when the lower puncture sleeve 11 rotates, the lower puncture knife 13 can rotate along with it, thereby improving the rationality of the pelvic floor surgical trocar for medical surgery. An annular spring 17 is connected to the outer movable sleeve, one end of the annular spring 17 is fixedly connected to one side of the clamping block 16, and the other end of the annular spring 17 is fixedly connected to one side of the lower puncture sleeve 11, through the annular spring 17, the telescopic rod 15 , the clamping block 16, the clamping groove 14, the annular block 10 and the annular groove 9 are used together, so that when the lower puncture sleeve 11 rotates, the lower puncture knife 13 can also rotate together, thereby changing the bottom end of the lower puncture sleeve 11 and the lower puncture knife 13. The distance between the bottom end and the top seat 1, so that the pelvic floor surgical trocar for medical surgery can adapt to people with different epidermal thicknesses For the purpose of the group, a cylinder 18 is fixedly connected to the middle of the two sides of the top seat 1, a circular rod 19 is movably sleeved inside the cylinder 18, and one end of the circular rod 19 is fixedly connected with a circular block located inside the cylinder 18. The outside of the round block on the rod 19 is slidably connected with the inside of the cylinder 18, which ensures that the round rod 19 will not shake when it extends out of the outside of the cylinder 18, thereby improving the stability of the pelvic floor trocar for medical surgery. The other end of the round rod 19 penetrates and extends to the outside of the cylinder 18 and is fixedly connected with a rectangular plate 20 . One end of the inside of 18 is fixedly connected, and the other end of the compression spring 21 is fixedly connected to one end of the round rod 19. Through the cooperation of the compression spring 21, the cylinder 18 and the round rod 19, the rectangular plate 20 can be changed to the top seat 1. The distance value of the pelvic floor surgery trocar for medical surgery can be grasped by palms of different sizes, which makes it easier for doctors to apply force during use, so that the pelvic floor surgery trocar for medical surgery can be easier to grasp and apply force. The four corners of the bottom end of the top seat 1 are respectively hinged with sleeve rods 22, the inner shape of the sleeve rod 22 is square, and the inside of the sleeve rod 22 is slidably connected with the outside of the square rod 23, ensuring that the square rod 23 is inside the sleeve rod 22. The splint 26 will not be rotated, so that the splint 26 can be separated from the chute 24, thereby improving the rationality of the pelvic floor surgical trocar for medical surgery. The inner side of the sleeve rod 22 is movably sleeved with a square rod 23, and the middle part of one side of the square rod 23 is provided with a sliding Slot 24, the bottom end of the sleeve rod 22 close to the chute 24 is threadedly sleeved with a threaded rod 25, the bottom end of the threaded rod 25 is fixedly connected with a splint 26 located inside the chute 24, and the bottom end of the splint 26 is fixedly connected with rubber The number of rubber strips on the splint 26 is four, the friction between the splint 26 and the chute 24 is increased by the rubber strips on the splint 26, so that the threaded rod 25 is rotated, and after the splint 26 is in contact with the chute 24, The square rod 23 can be fixed, thereby improving the rationality of the pelvic floor surgical trocar for medical surgery. The bottom end of the square rod 23 penetrates and extends to the outside of the sleeve rod 22 and is hinged with a disc 27 .

Working principle, firstly rotate the lower puncture sleeve 11 clockwise or counterclockwise according to the usage, the lower puncture sleeve 11 drives the telescopic rod 15 to rotate, the telescopic rod 15 drives the clamping block 16 to rotate, and the clamping block 16 drives the lower puncture knife through the clamping slot 14 13 Rotate, change the distance between the bottom end of the lower puncture knife 13 and the bottom end of the lower puncture sleeve 11 and the top seat 1, then pull the rectangular plate 20, the four fingers of the palm except the thumb respectively hold the two cylinders 18, Loosen the rectangular plate 20, wrap the square 7 and the top seat 1 with the palm of the palm, align the lower puncture knife at the insertion point and pierce the human epidermis, and make the corrugated ring on the upper puncture sleeve 8 on the epidermis. Inside, pull the sleeve rod 22 to adjust the support angle, turn the threaded rod 25 clockwise, the splint 26 moves up, pull out the square rod 23, when the disc 27 is in contact with the human body, rotate the threaded rod 25 counterclockwise, so that the splint 26 descends and Contact the fixed square rod 23 with the chute 24, and finally press the L-shaped rod 5 inward, so that the passive buckle 3 is inclined and separated from the active buckle 6, and the square 7 is pulled upward. The inner side of the 14 is round, so that when the lower puncture knife 13 moves upward, the block 16 can be separated from the card slot, take out the square 7, the upper puncture knife 12 and the lower puncture knife 13, and pass the detection instrument or surgical tool through the upper puncture knife. The sleeve 8 and the lower puncture sleeve 11 can enter the inside of the human body.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A pelvic floor surgery trocar for medical surgery, comprising a top seat (1), characterized in that: two sides of the top of the top seat (1) are respectively provided with rectangular grooves (2), and the rectangular grooves (2) ) A passive buckle (3) is hinged in the middle of the inner back, the bottom end of one side of the passive buckle (3) is fixedly connected with a return spring (4), and the other end of the return spring (4) is connected to the rectangular slot ( 2) One side of the interior is fixedly connected, and the bottom end of the other side of the passive buckle (3) is fixedly connected with an L-shaped rod (5), and the top of the L-shaped rod (5) penetrates and extends to the rectangular groove ( 2) above, an active snap (6) is movably sleeved inside the rectangular slot (2), and the active snap (6) is located on the side of the passive snap (3) away from the L-shaped rod (5). , and the bottom end of the active buckle (6) is engaged with the top of the passive buckle (3), the top of the active buckle (6) penetrates and extends to the top of the rectangular slot (2) and is fixedly connected with a square ( 7), the bottom end of the top seat (1) is fixedly installed with an upper puncture sleeve (8), the bottom end of the upper puncture sleeve (8) is provided with an annular groove (9), the annular groove (9) ) is sleeved with an annular block (10), the bottom end of the annular block (10) penetrates and extends to the bottom of the annular groove (9) and is fixedly connected with a lower puncture sleeve (11), the block (10) 7) The middle of the bottom end is fixedly connected with an upper puncture knife (12) located inside the upper puncture sleeve (8), and the bottom end of the upper puncture knife (12) is threadedly sleeved with a puncture knife located inside the lower puncture sleeve (11). A lower puncture knife (13), a clamping groove (14) is formed in the middle of one side of the lower puncturing knife (13), and a middle part of the lower puncture sleeve (11) on the side close to the clamping groove (14) is fixedly sleeved There is a telescopic rod (15), the other end of the telescopic rod (15) is fixedly connected to a clamping block (16), an annular spring (17) is movably sleeved on the outside of the telescopic rod (15), and the top seat (1 A cylinder (18) is fixedly connected to the middle of the two sides respectively, a circular rod (19) is movably sleeved inside the cylinder (18), and the other end of the circular rod (19) penetrates and extends to the cylinder A rectangular plate (20) is fixedly connected to the outside of (18), a compression spring (21) located inside the cylinder (18) is movably sleeved on the outside of the round rod (19), and the bottom of the top seat (1) is The four corners of the end are respectively hinged with sleeve rods (22), the inner sleeve of the sleeve rod (22) is movably sleeved with a square rod (23), and a chute (24) is opened in the middle of one side of the square rod (23), so The bottom end of the sleeve rod (22) close to the chute (24) is threadedly sleeved with a threaded rod (25), and the bottom end of the threaded rod (25) is fixedly connected with a splint (25) located inside the chute (24). 26), the bottom end of the square rod (23) penetrates and extends to the outside of the sleeve rod (22) and is hinged with a disc (27). 2. A pelvic floor surgery trocar for medical surgery according to claim 1, characterized in that: the middle part of the upper puncture sleeve (8) is fixedly sleeved with a corrugated ring, and the upper puncture sleeve (8) The number of upper corrugated circles is eight. 3. The pelvic floor surgical trocar for medical surgery according to claim 1, characterized in that: one end of the annular spring (17) is fixedly connected to one side of the clamping block (16), and the annular spring (17) The other end of 17) is fixedly connected with one side of the lower puncture sleeve (11). The pelvic floor surgery trocar for medical surgery according to claim 1, characterized in that: one end of the clamping block (16) penetrates and extends into the interior of the clamping groove (14), and the clamping block (16) ) are respectively slidably connected with the front and back inside the card slot (14). 5. A pelvic floor surgery trocar for medical surgery according to claim 1, characterized in that: one end of the round rod (19) is fixedly connected with a round block located inside the cylinder (18), and the round rod (19) is fixedly connected to one end. The outer part of the round block on the rod (19) is slidably connected to the inner part of the cylinder (18). 6. The pelvic floor surgery trocar for medical surgery according to claim 1, characterized in that: one end of the compression spring (21) is fixedly connected to one end inside the cylinder (18), and the compression spring (21) The other end of 21) is fixedly connected with one end of the round rod (19). 7. A pelvic floor surgery trocar for medical surgery according to claim 1, characterized in that: the inner shape of the sleeve rod (22) is square, and the inside of the sleeve rod (22) is connected to the square rod (23) external sliding connection. The pelvic floor surgery trocar according to claim 1, characterized in that: the bottom end of the splint (26) is fixedly connected with a rubber strip, and the number of the rubber strips on the splint (26) for four.

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