CN218979136U

CN218979136U - Trocar convenient for puncture and lamination

Info

Publication number: CN218979136U
Application number: CN202223106022.5U
Authority: CN
Inventors: 顾正兵; 张轲; 邵步高; 马聪
Original assignee: Jiangsu Hanjiang Biotechnology Co ltd
Current assignee: Jiangsu Hanjiang Biotechnology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-05-09
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to a trocar convenient for puncture and lamination, which comprises a sleeve, wherein a first slider is connected inside the sleeve in a sliding way, a puncture needle is fixedly connected at the bottom of the first slider, the puncture needle extends to the outside of the sleeve and is connected with the sleeve in a sliding way, a fixed block is fixedly connected above the inside of the sleeve, a rotating rod is connected inside the fixed block in a sliding way, the rotating rod is connected with the first slider in a rotating way, a second slider is fixedly connected outside the rotating rod below the fixed block, and an arc-shaped groove matched with the second slider is formed in the inner wall of the sleeve. The utility model has the beneficial effects that the problems that the puncture distance of the puncture needle is not well controlled by pushing the puncture needle only through the piston and the push rod in the sleeve in the traditional technology, and when the emotion of a patient is unstable, the stability of the control of the sleeve by medical staff is very likely to be affected, so that the puncture needle punctures the blood vessel of the patient due to excessive puncture or deviation angle, and medical accidents are caused are solved.

Description

Trocar convenient for puncture and lamination

Technical Field

The utility model relates to the technical field of trocars, in particular to a trocar convenient to puncture and attach.

Background

Through retrieval, china patent discloses a convenient-to-use puncture trocar (grant bulletin No. CN 217138656U), and the patent technology comprises a cannula holder, a fixed seat, a cannula needle, a replacement mechanism, a fixing mechanism and a protection mechanism; the surface of the bottom side of the sleeve seat is fixedly connected with a fixed seat, and the surface of the bottom side of the fixed seat is connected with a sleeve needle through a replacement mechanism; the replacement mechanism comprises a communication groove, a sealing ring and a communicating pipe, the communication groove is formed in the bottom side surface of the fixed seat, a cannula needle is connected to the inner cavity of the communication groove in a clamping mode, the communicating pipe is fixedly connected in the communication groove, the sealing ring fixedly connected to the inner wall of the communication groove is fixedly sleeved on the side surface of the top end of the communicating pipe, and the bottom end of the communicating pipe is connected to the inner cavity of the top end of the cannula needle in a clamping mode. This kind of puncture trocar that facilitates use modern design, simple structure cup joints at the trocar head inner chamber through the protecting crust, the cotton standing groove block of disinfection of protecting crust inner wall fixed connection is on the trocar head surface, improve the protective effect on trocar head surface, but, this patent technology is at the in-process of actual application, the pjncture needle is only pushed through intraductal piston and push rod of cover, the puncture distance to the pjncture needle is not good to be controlled, when patient's mood is unstable, very probably influence medical personnel to the stability of sleeve pipe control, thereby lead to the pjncture needle puncture excessive or the emergence of deviating angle puncture patient's blood vessel, and then lead to the medical malpractice.

Disclosure of Invention

In view of the foregoing problems with the prior art, it is a primary object of the present utility model to provide a trocar that facilitates a penetration fit.

The technical scheme of the utility model is as follows: the utility model provides a trocar convenient to puncture laminating, includes the sleeve pipe, the inside sliding connection of sleeve pipe has a slider, the bottom fixedly connected with pjncture needle of a slider, pjncture needle extends to sheathed tube outside and sleeve pipe sliding connection, sheathed tube inside top fixedly connected with fixed block, the inside sliding connection of fixed block has the dwang, the dwang rotates with a slider to be connected, the dwang is located the outside fixedly connected with slider of fixed block below, the arc groove with slider matched with has been seted up to sheathed tube inner wall, the one end fixedly connected with dwang is kept away from to the dwang.

As a preferred implementation mode, the bottom of the sleeve is fixedly connected with a sleeve nozzle, the bottom of the sleeve nozzle is fixedly connected with a plug nozzle, and the puncture needles are both in sliding connection with the sleeve nozzle and the plug nozzle.

As a preferred embodiment, the outer part of the sleeve mouth is detachably connected with a protective cover, and the inner part of the sleeve mouth is provided with a fixing mechanism;

the fixing mechanism comprises a chute, a clamping block is connected to the inside of the chute in a sliding mode, a first spring is fixedly connected to one end of the clamping block, and the clamping block penetrates through the sleeve mouth to extend to the inside of the protective cover to be movably connected with the protective cover.

As a preferred implementation mode, the fixing mechanism further comprises a disassembly groove, a limiting rod is fixedly connected to the inside of the disassembly groove, an L-shaped rod is connected to the outside of the limiting rod in a sliding mode, a second spring is arranged on the outside of the limiting rod above the L-shaped rod, and one end of the L-shaped rod extends to the outside of the disassembly groove to be matched with the disassembly groove.

As a preferred implementation mode, the outside fixedly connected with pointer of pjncture needle, sheathed tube outer wall offer with pointer matched with spacing groove, the sleeve pipe be located the outer wall of spacing groove one side and be equipped with pointer matched with scale mark.

As a preferred embodiment, two sides of the outer part of the sleeve are fixedly connected with inclined blocks.

When the medical staff uses the medical device, firstly, the rotating block rotates to drive the rotating rod to rotate in the fixed block, meanwhile, the rotating block can drive the second slider to slide in the arc-shaped groove, the second slider can drive the rotating rod to move downwards when sliding in the arc-shaped groove, the rotating rod can push the puncture needle to move downwards through the first slider, the puncture distance of the puncture needle can be randomly controlled, meanwhile, the stability of the puncture needle in puncture is improved, the problem that the puncture needle in the prior art is only pushed by the piston and the push rod in the sleeve, the puncture distance of the puncture needle is not well controlled, when the emotion of a patient is unstable, the stability of the medical staff on the sleeve control is very likely to be influenced, the puncture needle is excessively punctured or deviates from an angle to puncture a blood vessel of the patient, and further medical accidents are caused is solved, and the operation quality and the use efficiency are greatly improved compared with the traditional device.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

fig. 4 is a perspective view of the sleeve and arcuate slot of the present utility model.

Legend description: 1. a sleeve; 2. a first sliding block; 3. a fixing mechanism; 31. a chute; 32. a clamping block; 33. a first spring; 34. a dismantling groove; 35. a limit rod; 36. a second spring; 37. an L-shaped rod; 4. a puncture needle; 5. a fixed block; 6. a rotating lever; 7. a rotating block; 8. a second slide block; 9. an arc-shaped groove; 10. a pointer; 11. a limit groove; 12. scale marks; 13. sleeving a mouth; 14. inserting a mouth; 15. a sloping block; 16. and a protective cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model will be further described with reference to the drawings and the specific embodiments

Example 1

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a trocar convenient to puncture laminating, including sleeve pipe 1, the inside sliding connection of sleeve pipe 1 has a slider 2, the bottom fixedly connected with pjncture needle 4 of slider 2, pjncture needle 4 extends to the outside of sleeve pipe 1 and sleeve pipe 1 sliding connection, the inside top fixedly connected with fixed block 5 of sleeve pipe 1, the inside sliding connection of fixed block 5 has dwang 6, dwang 6 rotates with slider 2 to be connected, dwang 6 is located the outside fixedly connected with slider 8 of fixed block 5 below, the arc groove 9 with slider 8 matched with has been seted up to the inner wall of sleeve pipe 1, the one end fixedly connected with dwang 7 of sleeve pipe 1 is kept away from to dwang 6.

In this embodiment, when medical personnel use, at first rotate rotating block 7, rotating block 7 drives dwang 6 at fixed block 5 internal rotation, simultaneously rotating block 7 can drive No. two sliders 8 and slide in arc groove 9, no. two sliders 8 can drive dwang 6 downwardly moving in arc groove 9 gliding, dwang 6 can promote pjncture needle 4 downwardly moving through No. one slider 2, stability when the pjncture needle 4 puncture can be increased when the puncture distance of pjncture needle 4 is controlled at will, pjncture needle 4 in the prior art has been solved and has only been promoted through piston and push rod in the sleeve pipe 1, the control is not well to pjncture needle 4's puncture distance, when patient's mood is unstable, very probably influence medical personnel's stability to sleeve pipe 1 control, thereby lead to pjncture needle 4 puncture excessive or the angle of skew puncture patient's blood vessel, and then lead to the problem of medical accident emergence.

Example 2

As shown in fig. 1-4, the bottom of the sleeve 1 is fixedly connected with a sleeve nozzle 13, the bottom of the sleeve nozzle 13 is fixedly connected with a plug nozzle 14, the puncture needles 4 are both in sliding connection with the sleeve nozzle 13 and the plug nozzle 14, the outside of the sleeve nozzle 13 is detachably connected with a protective cover 16, and the inside of the sleeve nozzle 13 is provided with a fixing mechanism 3;

the fixing mechanism 3 comprises a sliding groove 31, a clamping block 32 is slidably connected in the sliding groove 31, a first spring 33 is fixedly connected to one end of the clamping block 32, the clamping block 32 penetrates through a sleeve nozzle 13 and extends to the inside of a protective cover 16 to be movably connected with the protective cover 16, the fixing mechanism 3 further comprises a detaching groove 34, a limiting rod 35 is fixedly connected in the detaching groove 34, an L-shaped rod 37 is slidably connected to the outside of the limiting rod 35, a second spring 36 is arranged on the outside of the limiting rod 35 above the L-shaped rod 37, one end of the L-shaped rod 37 extends to the outside of the detaching groove 34 to be matched with the detaching groove 34, a pointer 10 is fixedly connected to the outside of a puncture needle 4, a limiting groove 11 matched with the pointer 10 is formed in the outer wall of the sleeve 1, scale marks 12 matched with the pointer 10 are arranged on the outer wall of one side of the limiting groove 11, and inclined blocks 15 are fixedly connected to the two sides of the outside of the sleeve 1;

in this embodiment, when the medical care personnel use, firstly, the spigot 14 is opposite to the blood vessel on the skin of the patient, the inclined block 15 is held by the fingers, so that the puncture can be performed, the stability during the puncture is increased, when the medical care personnel do not work, the protection cover 16 can be buckled to the spigot 13, the clamping block 32 can be extruded to compress the first spring 33, when the protection cover 16 moves to the sleeve 1, the clamping block 32 is sprung into the clamping groove in the protection cover 16 under the rebound force of the first spring 33, the fixation can be completed, the puncture needle 4 is conveniently protected when the sleeve 1 is in idle storage, the puncture needle 4 is prevented from being damaged or infected by bacteria due to improper storage, when the protection cover 16 is disassembled, the L-shaped rod 37 is manually pushed, the clamping block 32 is pushed while the second spring 36 is compressed under the limit of the limit rod 35, the protection cover 16 is completely pushed out of the protection cover 16, the puncture distance of the puncture needle 4 can be conveniently observed by the mutual cooperation between the pointer 10 and the scale mark 12 on the outer wall of the sleeve 1 when the rotation push rod 6 is completely pushed by the clamping block 32, and the medical care personnel can further increase the safety during the medical care personnel use.

Working principle:

as shown in fig. 1-4, when medical personnel use, firstly, insert mouth 14 is opposite to the blood vessel on patient skin, finger holds oblique piece 15, rotate rotary piece 7, rotary piece 7 drives rotary rod 6 and rotates in fixed block 5, simultaneously rotary piece 7 can drive No. two slider 8 and slide in arc groove 9, no. two slider 8 can drive rotary rod 6 and move down when sliding in arc groove 9, rotary rod 6 can promote pjncture needle 4 through No. one slider 2 and move down, can increase the stability when puncture distance of pjncture needle 4 when can the random control pjncture needle 4, when not carrying out the work, can detain safety cover 16 to sleeve mouth 13, all can extrude fixture block 32, make it compress spring 33, when safety cover 16 moves to sleeve pipe 1 department, fixture block 32 spring 33's inside draw-in groove under the rebound force of No. one spring 33, can accomplish fixedly, be convenient for carry out the protection to pjncture needle 4 when sleeve pipe 1 is idle to be stored, prevent pjncture needle 4 from causing damage or being infected by the bacterium, can be improved the stability when promoting pjncture needle 4 to promote pjncture needle 4 to dismantle pjncture needle 4, can be realized through No. one slider 2, can be with the safety cover 16L 37, can be with the safety cover 16 is compressed to the safety cover 16, can be compressed down to the safety cover 16 is used to the safety cover 16, the manual device is used to the safety device is more than the manual device, can be more than the safety device is used to the safety cover is used, and the safety cover is used to the safety cover is more 37, can be compressed, and can be more convenient for the manual has been pushed by the safety device is more than 37, and has been used to be used to the safety device and has a safety device and has 37, and has improved.

Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. Trocar convenient to puncture laminating, including sleeve pipe (1), its characterized in that: the inside sliding connection of sleeve pipe (1) has a slider (2), the bottom fixedly connected with pjncture needle (4) of slider (2), pjncture needle (4) extend to the outside of sleeve pipe (1) and sleeve pipe (1) sliding connection, the inside top fixedly connected with fixed block (5) of sleeve pipe (1), the inside sliding connection of fixed block (5) has dwang (6), dwang (6) and slider (2) swivelling joint, outside fixedly connected with slider (8) of dwang (6) being located fixed block (5) below, arc groove (9) with slider (8) matched with have been seted up to the inner wall of sleeve pipe (1), one end fixedly connected with dwang (7) of sleeve pipe (1) are kept away from to dwang (6).

2. A trocar to facilitate a penetration fit as recited in claim 1, wherein: the bottom of sleeve pipe (1) fixedly connected with cover mouth (13), the bottom fixedly connected with of cover mouth (13) inserted mouth (14), pjncture needle (4) all with cover mouth (13) and inserted mouth (14) sliding connection.

3. A trocar to facilitate a piercing fit as defined in claim 2, wherein: the outside of the sleeve nozzle (13) is detachably connected with a protective cover (16), and a fixing mechanism (3) is arranged in the sleeve nozzle (13);

the fixing mechanism (3) comprises a sliding groove (31), a clamping block (32) is connected inside the sliding groove (31) in a sliding mode, a first spring (33) is fixedly connected to one end of the clamping block (32), and the clamping block (32) penetrates through the sleeve nozzle (13) to extend to the inside of the protective cover (16) and is movably connected with the protective cover (16).

4. A trocar to facilitate a piercing fit as defined in claim 3, wherein: the fixing mechanism (3) further comprises a disassembling groove (34), a limiting rod (35) is fixedly connected to the inside of the disassembling groove (34), an L-shaped rod (37) is connected to the outside of the limiting rod (35) in a sliding mode, a second spring (36) is arranged on the outside of the limiting rod (35) above the L-shaped rod (37), and one end of the L-shaped rod (37) extends to the outside of the disassembling groove (34) to be matched with the disassembling groove (34).

5. A trocar to facilitate a penetration fit as recited in claim 1, wherein: the outside fixedly connected with pointer (10) of pjncture needle (4), the limiting groove (11) with pointer (10) matched with is seted up to the outer wall of sleeve pipe (1), the outer wall that sleeve pipe (1) is located limiting groove (11) one side is equipped with scale mark (12) with pointer (10).

6. A trocar to facilitate a penetration fit as recited in claim 1, wherein: inclined blocks (15) are fixedly connected to two sides of the outer portion of the sleeve (1).