CN214549559U - Many function combination formula liver piercing depth - Google Patents

Abstract

The utility model provides a multifunctional combined liver puncture device, which comprises an operation board, a fixed board, a puncture needle, a tissue acquisition device and a shielding panel; a fixing plate is arranged at the front end of the operation plate, the front and rear angles of the fixing plate are adjusted through fixing screws, a puncture needle is arranged in a middle fixing groove, and the puncture needle is pushed through an operation window of the shielding face screen; the puncture needle comprises a needle point, a needle sleeve, a needle core catheter, a needle core sleeve and a needle bolt, wherein the needle core catheter is arranged in the needle core at intervals; the utility model discloses can promote the data accuracy, improve diagnosis and treatment personnel work efficiency, treatment safety level and reduce the adverse reaction.

Description

Many function combination formula liver piercing depth

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a multifunctional combined type liver puncture operating device capable of being used under various conditions.

Background

Liver puncture, i.e. biopsy, is a simple means for taking a liver tissue specimen, and biopsy by liver puncture is an important means for diagnosing liver diseases. In recent years, the research on liver diseases at home and abroad is further improved, and the liver puncture biopsy is prompted to be subjected to histochemical staining, ultrastructural observation and immunopathological examination, so that the study on pathogenesis of the liver diseases is facilitated, differential diagnosis, typing, disease evolution and clinical curative effect judgment are realized, particularly, the determination of the hepatic fibrosis severity is an internationally recognized 'gold standard', and the aims of understanding the lesion degree and activity, medicine selection, disease prognosis judgment, diagnostic treatment and the like are fulfilled.

Liver biopsy is currently considered to be the most important invasive examination means in clinical liver pathology, and the microscopic characterization of the obtained specimens is the most direct observation of the pathological processes that occur. Therefore, the technical condition adaptability and the puncture effect of the liver puncture needle are improved, particularly, the improvement is further performed on the basis of the existing puncture needle, and the adverse reaction is reduced, so that the liver puncture needle becomes a research focus at home and abroad.

The existing liver puncture needle cannot effectively control the puncture depth during liver puncture, does not solve the technical problems of cutting off tissues after puncture and the like, takes much time for operation, has an unsatisfactory effect, and causes infection and bleeding; meanwhile, the existing puncture needle can meet the requirements of sampling one point and one depth at a time, cannot meet the requirements of collecting different depths and different points, and also causes the pain of patients to be increased during liver puncture.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects and difficulties, the inventor carries out intensive research on the problems and finishes the utility model after paying a large amount of creative labor.

1. The utility model discloses the technical problem that will solve is:

through the utility model provides a many function combination formula liver piercing depth solve present liver pjncture needle and can not effective control the depth of puncture, can't satisfy the different degree of depth, the difference needs of gathering, can not in time cut off the tissue after the puncture, effect and accuracy are ideal inadequately, and working strength is big and inefficiency, fails to solve puncture guarantee and treatment such as infect and bleed, increases that adverse reaction takes place and the patient is painful, can't realize doctor-patient separation to and reduce medical personnel infection risk scheduling problem.

2. The utility model discloses a realize through following improvement technical scheme:

the utility model provides a device which can be carried out on a fixed operation panel and has the operator separated from the operation surface, by placing the puncture needle in the angle-adjusting fixed groove, arranging a needle core catheter at intervals and a removable needle core sleeve in the needle core of the puncture needle, providing a collection rod and a funnel collector of the tissue collection device, introducing the needle core from an inlet end jack of a puncture needle pintle, rotating the collection rod to adjust the direction and the collection position of a semicircular collection blade at a funnel opening, and the like, the puncture depth and position of the funnel collector are determined by the scale of the collecting rod and the scale lines of the fixed groove, so that the traditional negative pressure liver puncture is completed, and realize different position, the tissue sampling of different degree of depth, produce the multi-functional combination formula liver piercing depth that has functions such as tissue hemostasis, local anesthesia, anti-infection, internal local medicine, puncture drainage, effectively reduce medical personnel and infect the risk.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a multifunctional combined liver puncture device comprises an operation board, a fixing board, a puncture needle, a tissue acquisition device and a shielding panel;

the operation panel is made of soft plastic materials, the center of the edges of the left end and the right end is provided with a soft rope, more than two pieces of easy-to-tear adhesive are arranged on the bottom surface and used for fixing the operation panel, and more than two fixing holes are formed in the lower edge of the operation panel and used for placing the shielding face screen;

the fixing plate is made of hard materials and is placed at the front end of the operation plate, more than one screw hole is formed in the front end and the rear end of the fixing plate respectively, the fixing plate and the screw holes in the matched operation plate are fixed through fixing screws with double screw caps, and the front and rear angles of the fixing plate are adjusted by screwing the fixing screws; a fixing groove is formed in the center of the fixing plate, a puncture needle is placed in the fixing groove, scale marks are arranged on two sides of the fixing groove, the puncture depth and the puncture position of the puncture needle are determined by the scale marks, and a forward metal sliding sheet is arranged at the front end of each fixing groove to prevent the puncture needle from sliding down;

the puncture needle comprises a needle point, a needle sleeve, a needle core catheter, a needle core sleeve, a needle core catheter needle sleeve wall communicating opening and a pintle;

the tissue collecting device comprises a funnel collector, a collecting rod, a cross-shaped handle, an extension spring and a circular push plate;

the shielding face screen is two transparent soft plastic plates which are connected at right angles, the lower edge of the shielding face screen is provided with more than two protruding connectors matched with the fixing holes of the operating plate, the shielding face screen is fixed and provided with an operating window in the middle of the lower end of the shielding face screen, and the shielding face screen is used for operations such as puncture needle pushing.

As a preferred technical scheme, the needle core catheter in the puncture needle core is a lumen separated from the needle core, and two ends of the needle core catheter penetrate through the top and the bottom of the needle sleeve.

As a preferable technical scheme, the stylet catheter is connected with the outside through a stylet catheter port on the stylet wall, and the stylet catheter cap on the stylet wall can be connected with the injector nipple through a hose after the stylet catheter cap on the stylet wall is opened.

As a preferred technical scheme, a stylet sleeve is arranged in the puncture needle stylet, the puncture needle stylet is matched with the stylet sleeve seat, the stylet sleeve can be taken out through an inlet end jack of the puncture needle stylet, and the inlet end jack of the stylet can be connected with a syringe nipple.

As a preferred technical scheme, the bottom of the stylet is a triangular pointed end which inclines towards the lower wall of the stylet, the bottoms of the stylet catheter and the stylet sleeve do not exceed the bottom of the stylet, and the collection rod and the funnel collector are led into the stylet from the inlet end jack of the puncture needle pintle to the bottom.

As a preferred technical scheme, the upper part of the front end of the collecting rod is provided with more than two funnel collectors, each funnel collector is a hollow semi-circular cone, the funnel opening is provided with a semi-circular collecting blade, and the direction and the collecting position of the semi-circular collecting blade of the funnel opening can be adjusted by rotating the collecting rod.

As a preferred technical scheme, the collecting rod is provided with scales, the length of the collecting rod is larger than that of the puncture needle, and the puncture depth and the puncture position of the funnel collector are determined through the scales of the collecting rod and the scale lines of the fixing groove.

As a preferred technical scheme, the cross handle is longitudinally a handheld end, the cross handle is transversely an acquisition rod operating end, the acquisition rod is connected to a circular push plate on the outer side of the acquisition rod operating end through a central hole of the handheld end of the cross handle, and an extension spring is connected between the outer side of the central hole of the handheld end of the cross handle and the circular push plate.

As an optimal technical scheme, the circular push plate on the outer side of the operation end of the collecting rod can push the extension spring and the collecting rod to the center hole of the handheld end of the cross handle, and the circular push plate can enable the extension spring to rebound quickly and drive the collecting rod upper funnel collector to take out collected tissues backwards after being loosened.

Advantageous effects

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the fixed plate, the fixed slot that are equipped with and place the pjncture needle, angle around the regulation fixed plate during use combines fixed slot syntropy metal gleitbretter, makes the puncture stably go on in the fixed slot, and the pjncture needle of being convenient for is placed, is effectively fixed and is carried forward after placing, improves puncture effect and accuracy, prevents the pjncture needle landing, avoids the operation accident, has solved puncture effect and accuracy ideal inadequately, and working strength is big and the problem of inefficiency.

2. The operation panel that is equipped with, both ends cord are connected during the use to and the bottom surface is easily torn glue and is pasted fixedly, combines operation panel lower extreme fixed orifices to place and shelters from the face screen, and simple structure easily connects, forms stable operation face, carries out operations such as pjncture needle propelling movement through sheltering from a screen operation window, effectively avoids puncture in-process spill blood to pollute, realizes the separation of doctors and patients, reduces medical personnel and infects the risk.

3. The interior nook closing member sleeve pipe of pjncture needle that is equipped with, the nook closing member sleeve pipe takes out through pjncture needle pintle entry end jack during the use, combine to gather the pole, nook closing member to bottom position is introduced by pjncture needle pintle entry end to the funnel collector, form two kinds of puncture collection modes of suction formula negative pressure collection and funnel collector puncture, and confirm the depth of puncture and position through fixed slot scale mark and collection pole scale mark, safe swift and convenient and practical, clinical different patient single-point has been satisfied, multiple spot, different positions liver tissue gathers the needs, solve present liver pjncture needle can not the effective control depth of puncture, can't satisfy the different degree of depth, the problem that the difference needs is gathered.

4. The puncture needle inner needle core catheter is provided with a needle sleeve wall needle core catheter cap which is communicated with an injector nipple through a hose when in use, and hemostatics, anesthetics, antibiotics, antitumor drugs and the like are injected into a body through the needle core catheter, so that the operation technologies of anesthesia, bleeding and infection in the liver puncture process, drug treatment and the like are completed, the working intensity of medical workers is reduced, and the puncture guarantee and treatment problems of liver puncture infection, bleeding and the like at present are solved.

5. Tissue collection system that is equipped with, the funnel collector is whole through gathering the pole during use, rotate and gather the pole and can adjust the semicircular collection cutting edge direction of flare opening and gather the position, gather the circular push pedal in pole operation end outside can be forward propelling movement extension spring and gather the pole, it can make extension spring rebound fast and make the funnel opening gather the cutting edge and accomplish multiple spot position liver tissue collection fast to loosen circular push pedal, drive and gather on the pole funnel collector and take out the collection tissue backward, effectively reduce liver tissue damage, the problem of can not in time cut off the tissue after the solution puncture, it takes place and the patient is painful to reduce the adverse reaction.

Drawings

In order to more clearly illustrate the detailed description of the present invention or the technical solutions in the prior art, the drawings which are required to be used in the related description are fully described below. Like elements or portions are identified by like reference numerals throughout the drawings. In the drawings, elements or parts are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a liver puncturing device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the puncture needle of the present invention;

fig. 3 is a schematic structural diagram of a two-tissue collecting device according to an embodiment of the present invention;

reference numerals: 1-an operation panel; 2, fixing a plate; 3-a soft rope; 4-easy tearing and sticking; 5, puncturing needle; 6-shielding a face screen; 7-screw holes; 8-a metal slip sheet; 9-fixing screws; 10-a fixed groove; 11-graduation mark; 12-operation plate fixing holes; 13-a screen connector; 14-an occlusion front screen operation window;

201-a needle tip; 202-needle sleeve; 203-a stylet; 204-a core needle catheter; 205-stylet cannula; 206-needle sleeve wall needle core catheter port; 207-pintle; 208-needle sleeve wall needle core catheter cap; 209-insertion hole at the needle plug inlet end of the puncture needle; 210-a stylet cannula holder;

301-funnel collector; 302-acquisition rod; 303-a cross handle; 304-circular pusher plate; 305-an extension spring; 306-collecting blade edge; 307-collecting rod operating end; 308-cross handle hand-held end center hole; 309-cross handle hand-held end.

Detailed Description

Example one

As shown in fig. 1 and 2, the present embodiment provides a multifunctional combined liver puncture device, which comprises an operation panel 1, a fixing panel 2, a puncture needle 5, a tissue collection device, and a shielding panel 6.

As shown in fig. 1, the soft rope 3 in 1 both ends of operation panel is connected, combine the bottom surface easily to tear paste 4 and fix, fixed plate 2 is placed to 1 front end of operation panel, fixed plate 2 front and back end sets up screw hole 7, fixed screw 9 through taking the two screw caps is fixed with fixed plate 2 and screw hole 7 on the adaptation operation panel 1, adjust angle around 2 with fixed screw 9 screws up height regulation fixed plate, set up fixed slot 10 in the middle of the fixed plate 2, fixed slot 10 both sides set up scale mark 11 and front end both sides installation respectively to metal gleitbretter 8, place pjncture needle 5 in the fixed slot 10, it is fixed through metal gleitbretter 8, it is connected with operation panel fixed hole 12 to shelter from face screen connector 13, the fixed face screen 6 that shelters from of placing, it carries out pjncture needle 5 propelling movement operation in the fixed slot 10 to shelter from face screen operation window 14, scale mark 11 confirms pjncture needle 5 depth of puncture.

Based on above-mentioned structure's many function combination formula liver piercing depth, operation panel 1 passes through the cord 3 and easily tears to paste 4 and fixes on one's body the patient during use, operation panel 1 front end fixed plate 2 confirms liver puncture point position and degree of depth regulation fixed plate 2 front and back angle according to B ultrasonic or CT location, place pjncture needle 5 in the fixed slot 10, mark the position according to scale mark 11, fixed pjncture needle 5 of fixed slot 10 both sides metal gleitbretter 8, carry out pjncture needle 5 propelling movement operation through sheltering from face screen operation window 14, improve puncture effect and accuracy, effectively avoid the puncture in-process spill blood pollution, reduce medical personnel and infect the risk.

As shown in fig. 2, the puncture needle 5 comprises a needle point 201, a needle sleeve 202, a needle core 203, a needle core catheter 204, a needle core sleeve 205, a needle sleeve wall needle core catheter port 206 and a pintle 207, wherein the needle core catheter 204 in the needle core 203 is a lumen separated from the needle core 203, a needle sleeve wall needle core catheter cap 208 is opened, and the needle core catheter 204 can be connected with a syringe nipple through the needle sleeve wall needle core catheter port 206; a stylet sleeve 205 is arranged in the stylet 203, an inlet end jack 209 of a puncture needle pintle 207 is matched with a stylet sleeve seat 210, the stylet sleeve 205 can be taken out through the puncture needle pintle inlet end jack 209, and after the stylet 203 is taken out of the stylet sleeve 205, a collection rod 302 and a funnel collector 301 can be placed and led to the bottom of the stylet 203 through the puncture needle pintle inlet end jack 209, so that the convenience and the practicability are realized; the tip 201 at the bottom of the stylet 203 is a triangular tip and inclines towards the lower wall of the stylet 203, and the bottoms of the stylet catheter 204 and the stylet sleeve 205 do not exceed the bottom of the stylet 203, so that the puncture depth and the operation position are uniformly and effectively controlled.

In the embodiment, a stylet sleeve 205 is arranged in a stylet 203, a puncture needle 5 is pushed forwards in a fixing groove 8 through a stylet sleeve seat 210 to penetrate through skin, a scale mark 11 determines the puncture depth, after the puncture depth and the position are reached, the stylet sleeve 205 is taken out from a puncture needle pintle inlet end jack 209 through the stylet sleeve seat 210, the jack 209 is connected with a normal saline disposable injector nipple, after a certain amount of saline is injected to clean the stylet 203, a needle handle of the injector is drawn back to form negative pressure in the puncture needle stylet 203, then the puncture needle pintle 207 is pushed forwards rapidly to enable the puncture needle 5 to enter liver tissues, then the puncture needle 5 is drawn back rapidly, tissues in the stylet 203 are taken out, and the requirement of liver tissue collection at different single-point positions of clinical patients is met; meanwhile, the stylet sleeve 205 can be taken out from the insertion hole 209 at the inlet end of the puncture needle pintle, and after a certain amount of saline is injected to clean the stylet 203, the liver abscess puncture drainage is carried out.

In this embodiment, the puncture needle 5 is pushed forward through the needle core cannula base 210 in the fixing groove 8 to penetrate the skin, the needle core catheter cap 208 on the needle sleeve wall is opened to communicate with the injector nipple, and after saline is injected to clean the needle core catheter 204, the needle core catheter 204 is used to inject anesthetic into the body to solve puncture anesthesia, inject hemostatic to solve puncture hemorrhage, inject antibiotic to solve puncture infection and the like, thereby improving the operation and guarantee effects in the liver puncture process.

Example two

The present embodiment provides a multifunctional combined liver puncturing device, which has the same structure as the liver puncturing device of the first embodiment, except that a tissue collecting device is added in the liver puncturing.

As shown in fig. 3, the tissue collecting device in this embodiment comprises a funnel collector 301, a collecting rod 302, a cross handle 303, a circular push plate 304 and an extension spring 305.

The upper part of the front end of the collecting rod 302 is provided with more than two funnel collectors 301, the collectors are hollow semi-cones, the funnel openings are provided with semi-circular collecting blades 306, and the collecting rod scales determine the puncture depth and the puncture position of the funnel collectors 301; the cross handle 303 is a hand-held end 309 in the longitudinal direction and an acquisition rod operation end 307 in the transverse direction, the acquisition rod operation end 307 is connected to the circular push plate 304 outside the operation end 307 through a cross handle hand-held end center hole 308, and an extension spring 305 is connected between the outside of the center hole 308 and the circular push plate 304.

In the embodiment, a jack 209 at the inlet end of a needle plug of the puncture needle is matched with a needle core sleeve seat 210, a needle core sleeve 205 is taken out through the jack 209, a funnel collector 301 is placed to the bottom position of a needle core 203, and the collection depth is determined according to the scale marks 11 of a fixed groove and the scales of a collection rod 302; the round push plate 304 outside the operation end 307 of the collection rod pushes the extension spring 305 and the collection rod 302 to the central hole 308 of the hand-held end of the cross handle, after the funnel collector 301 reaches the required depth and position for collecting tissues, the extension spring 305 can be quickly rebounded outwards along the operation end 307 and the collection rod 302 is driven to be pulled out by loosening the round push plate 304, the semicircular collection blade 306 of the funnel opening automatically cuts off the tissues, and the collection rod 302 drives the funnel collector 301 to outwards cut the collection blade 306 and take out the tissue samples contained in the funnel collector 301.

In conclusion, the tissue collecting device is used in the liver puncture process, the puncture needle core 203, the puncture needle pintle inlet end jack 209, the cross handle handheld end central hole 308 and the operation end outer side circular push plate 304 can stabilize the collecting rod, and the direction and the collecting position of the funnel opening semicircular collecting blade 306 can be adjusted by rotating the collecting rod 302; according to the adjustable degree of depth position of fixed slot 8 scale mark 11 and collection pole 302 scale, fine control pjncture needle 5 pierces the degree of depth and gathers the volume, combines the semicircular collection cutting edge 306 of flare opening automatic cutout tissue, and safe swift and convenient and practical satisfies clinical different patient multiple spot, different positions liver tissue collection needs.

The above examples are only illustrative of the preferred embodiments of the present invention, and the use and purpose of these exemplary embodiments are merely to exemplify the present invention, and do not constitute any limitation to the actual scope of the present invention in any form.

After reading the technical content of the present invention, a person skilled in the art may make various alterations, modifications and/or variations to the present invention, and all such equivalents are also within the scope of protection defined by the claims appended to this application.

Claims (1)

1. The utility model provides a many function combination formula liver piercing depth which characterized in that: comprises an operation board, a fixing board, a puncture needle, a tissue acquisition device and a shielding panel; the operation board comprises two or more fixing soft ropes fixed in the centers of two ends, more than two pieces of bottom surfaces are easy to tear and adhere, and more than two fixing holes are arranged on the lower edge; the front end and the rear end of the fixed plate are respectively provided with more than one screw hole, the fixed plate and the screw holes on the matched operation plate are respectively fixed through a fixed screw with a double screw cap, a fixed groove is arranged in the middle of the fixed plate, scale marks are arranged on two sides of the fixed groove, the front end of the fixed groove is respectively provided with a metal sliding sheet, and a puncture needle is placed in the fixed groove; the puncture needle comprises a needle point, a needle sleeve, a needle core catheter, a needle core sleeve, a needle core catheter port on the wall of the needle sleeve and a pintle; the tissue collecting device comprises a funnel collector, a collecting rod, a cross-shaped handle, an extension spring and a circular push plate; the shielding face screen comprises more than two convex connectors matched with the operating plate fixing holes, and an operating window is arranged in the middle of the lower end of the shielding face screen; a needle core catheter in the needle core of the puncture needle is separated from the needle core, and the needle core catheter is connected with the outside through a needle core catheter port on the wall of the needle sleeve; the needle core sleeve in the puncture needle core can be taken out through the jack at the inlet end of the puncture needle pintle, and the puncture needle pintle is matched with the needle core sleeve seat; the bottom of the needle core is a triangular pointed end, the bottoms of the needle core catheter and the needle core sleeve do not exceed the bottom of the needle core, and the collection rod and the funnel collector lead the needle core to the bottom from an inlet end jack of a puncture needle pintle; the front end of the collecting rod is provided with more than two hollow semicircular cone funnel collectors, the funnel openings of the funnel collectors are provided with semicircular collecting blades, and the direction and the collecting position of the semicircular collecting blades of the funnel openings can be adjusted by rotating the collecting rod; the funnel collector is characterized in that the acquisition rod is provided with scales, the length of the acquisition rod is greater than that of the puncture needle, and the puncture depth and the puncture position of the funnel collector are determined by the scales of the acquisition rod and the scale lines of the fixed groove; the collecting rod is connected to the circular push plate on the outer side of the operating end through a center hole of the handheld end of the cross handle, and an extension spring is connected between the outer side of the center hole and the circular push plate.

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