CN220442719U - Novel puncture trocar - Google Patents

Abstract

The utility model belongs to the technical field of clinical biomedical engineering, in particular to a novel puncture trocar which comprises a shell, a sleeve and a puncture needle, wherein the sleeve penetrates through the shell, the puncture needle is connected to the inner wall of the sleeve in a sliding manner, the inner wall of the shell is connected with a fixing box in a sliding manner, the bottom of the fixing box is fixedly connected with the top of the puncture needle, the inner wall of the fixing box is connected with a transmission plate in a sliding manner, the top of the transmission plate is fixedly connected with a pressing plate, the top of the pressing plate extends to the outside of the fixing box, clamping grooves are symmetrically formed in the inner wall of the shell, the number of the clamping grooves is four, the inner wall of the fixing box is symmetrically connected with clamping blocks in a sliding manner, and the number of the clamping blocks is two, so that the puncture needle can be conveniently fixed or unlocked through the cooperation of the pressing plate and the fixing assembly, the puncture needle can be fixed in the shell when in use, the puncture needle is prevented from being stagnated at a puncture position of a patient, and injuries to the patient are prevented.

Description

Novel puncture trocar

Technical Field

The utility model relates to the technical field of clinical biomedical engineering, in particular to a novel puncture trocar.

Background

The bulletin number is: the utility model of CN115192149A discloses a puncture trocar combined device, which comprises a puncture needle, a sleeve, a connecting seat and a fixed seat, wherein a fluid channel is arranged in the connecting seat, one end of the fluid channel is communicated with the sleeve, the puncture needle is simultaneously arranged in the fluid channel and the sleeve in a penetrating way, the tip of the puncture needle protrudes out of the front end of the sleeve, a limit adjusting mechanism for adjusting the puncture needle is arranged between the puncture needle and the connecting seat, an adjusting switch is arranged on the connecting seat, an infusion channel is arranged on the adjusting switch, the on-off of the infusion channel and the fluid channel is controlled by the adjusting switch, a fixed bolt is arranged on the connecting seat, the fixed seat comprises a base, a bent arm is arranged on the base, and a locking mechanism capable of automatically locking the fixed bolt is arranged at the front end of the bent arm; wherein the pjncture needle is adjusted, fixed convenient, and this scheme still is provided with the fixing base of special fixed connection seat, prevents to lead to the emergence of medical malpractice because of the connection seat is fixed unstably.

Biomedical engineering is a study of biology, medicine, behaviours or hygiene by combining physical, chemical, mathematical and computer and engineering principles; providing basic concept, generating knowledge from molecular level to organ level, developing innovative biological products, materials, processing methods, implants, instruments and informatics methods for disease prevention, diagnosis and treatment, patient rehabilitation, improvement of health status and other purposes

The puncture trocar in the prior art lacks the function of fixing the puncture needle when in actual use, and the puncture needle slides in the sleeve, so that the puncture needle and the sleeve shake during puncture to influence the effect of puncture on a patient, so that a novel puncture trocar is provided, and the problem that the puncture needle and the sleeve shake during puncture to influence the effect of puncture on the patient is solved.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, when the puncture trocar is actually used, the puncture trocar lacks a function of fixing the puncture trocar, and the puncture trocar slides in a sleeve, so that the puncture trocar and the sleeve shake during puncture, and the puncture effect on a patient is affected.

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

the utility model provides a novel puncture trocar, includes shell, sleeve pipe and pjncture needle, the sleeve pipe runs through the shell, pjncture needle sliding connection is at sheathed tube inner wall, the inner wall sliding connection of shell has fixed case, and the bottom of fixed case and the top fixed connection of pjncture needle, the inner wall sliding connection of fixed case has the drive plate, and the top fixedly connected with clamp plate of drive plate, the top of clamp plate extends to the outside of fixed case, the draw-in groove has been seted up to the inner wall symmetry of shell, and the quantity of draw-in groove is four, the inner wall symmetry sliding connection of fixed case has the fixture block, and the quantity of fixture block is two, two fixture blocks and corresponding draw-in groove looks adaptation, the inner wall of fixed case is equipped with fixed subassembly.

By the above mechanism: the fixing component is conveniently driven to move through the pressing plate so that the clamping block moves, the fixing box is conveniently fixed or unlocked through the matching of the clamping block and the clamping groove, and the puncture needle can be fixed or unlocked through the fixing box so as to drive the puncture needle to move.

Preferably, the fixing component comprises a transmission rod, a transmission shaft, a turntable, two pull rods and two fixing sleeves;

the utility model discloses a transmission device, including fixed box, slide, carousel, fixed sleeve, driving rod fixed connection is in the front side of driving plate, and the driving shaft rotates the inner wall of connecting at the fixed box, and the rear side fixedly connected with slide shaft of driving rod, the spout has been seted up to the outer wall of driving shaft, the outer wall of slide shaft and the inner wall sliding connection of spout, carousel fixed connection is in the bottom of driving shaft, two pull rods rotate the bottom of connecting at the carousel, two fixed sleeve symmetry sliding connection is in the bottom inner wall of fixed box, and two fixed sleeve right sides that move backward respectively with one side fixed connection that two fixture blocks are close to each other, one side that two pull rods kept away from each other is connected with one side rotation that two fixed sleeves are close to each other respectively.

Further, can drive lifter plate and transfer line through the transfer line and follow the downmovement, can drive the slide shaft and remove when the transfer line removes, thereby can promote the spout when the slide shaft removes and promote the transmission shaft rotation, can drive the carousel rotatory when the transmission shaft is rotatory, carousel rotation can stimulate two pull rods and remove to one side that is close to each other this moment, can pull fixed cover lateral shifting when the pull rod removes, the lifter plate moves down gradually along with the direction of movement of fixed cover and extends to the inner wall of fixed cover this moment, can pull the fixture block removal and draw-in groove to break away from the contact when fixed cover removes and make the fixed case unblock.

Preferably, the inner wall of the fixed box is fixedly connected with a spring, and the bottom of the transmission plate is fixedly connected with the top of the spring.

Further, the transmission plate is conveniently pushed to reset through the elasticity of the spring, so that the pressing plate resets.

Preferably, the inner walls of the two fixing sleeves are all connected with lifting plates in a sliding mode, the tops of the two lifting plates are all extended to the outside of the fixing sleeves, connecting grooves are symmetrically formed in the front side of the transmission plate, the number of the connecting grooves is two, connecting shafts are all connected with the inner walls of the two connecting grooves in a sliding mode, and the front sides of the two connecting shafts are fixedly connected with the rear sides of the corresponding lifting plates.

Further, through the cooperation of connecting axle and spread groove, make things convenient for the lifter plate to stably slide in the front side of lifter plate to spacing is carried out to fixed cover, makes the stable lateral movement of fixed cover.

Preferably, the limiting grooves are symmetrically formed in the inner wall of the shell, the number of the limiting grooves is two, limiting strips are fixedly connected to the left side and the right side of the fixing box, the number of the limiting strips is two, and the outer walls of the two limiting strips are in sliding connection with the inner walls of the corresponding limiting grooves.

Further, through the cooperation of spacing groove and spacing, make things convenient for fixed case and pjncture needle lateral shifting.

Preferably, the top of the shell is provided with a guide groove, and the outer wall of the fixed box is in sliding connection with the inner wall of the guide groove.

Further, the fixed box is conveniently limited through the guide groove, and the fixed box is convenient to slide.

Advantageous effects

1. The fixing assembly is conveniently driven to move through the movement of the pressing plate, so that the clamping block moves, the fixing box is conveniently fixed or unlocked through the cooperation of the clamping block and the clamping groove, and the puncture needle can be fixed or unlocked through the fixing box, so that the puncture needle is driven to move;

2. the lifting plate and the transmission rod can be driven to move downwards through the transmission plate, the transmission rod can drive the sliding shaft to move when moving, the sliding groove can be pushed to push the transmission shaft to rotate when moving, the turntable can be driven to rotate when the transmission shaft rotates, at the moment, the turntable rotates to pull the two pull rods to move towards one side close to each other, the fixed sleeve can be pulled to move transversely when the pull rods move, at the moment, the lifting plate gradually moves downwards along with the moving direction of the fixed sleeve to extend to the inner wall of the fixed sleeve, and the fixed sleeve can pull the clamping block to move out of contact with the clamping groove when moving so as to unlock the fixed box;

in the utility model, the following components are added: through the cooperation of clamp plate and fixed subassembly, conveniently fix or unblock the pjncture needle to the pjncture needle remains stable when using, and can fix the pjncture needle in the shell after the pjncture needle uses, avoid the pjncture needle to stagnate and stay in patient's puncture department, prevent to cause the injury to the patient.

Drawings

FIG. 1 is a schematic side view of a novel puncture trocar according to the present utility model;

FIG. 2 is a schematic side view in cross-section of a novel puncture trocar according to the present utility model;

FIG. 3 is a schematic view in front cross-section of a novel puncture trocar fixing case according to the present utility model;

fig. 4 is a three-dimensional view of a fixture block, a fixed sleeve and a lifting plate of the novel puncture trocar according to the present utility model.

In the figure: 1. a housing; 2. a sleeve; 3. a puncture needle; 4. a fixed box; 5. a pressing plate; 6. a drive plate; 7. a spring; 8. a transmission rod; 9. a transmission shaft; 10. a turntable; 11. a pull rod; 12. a lifting plate; 13. a fixed sleeve; 14. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment one: referring to fig. 1-4, a novel puncture trocar, including shell 1, sleeve pipe 2 and pjncture needle 3, sleeve pipe 2 runs through shell 1, pjncture needle 3 sliding connection is at sleeve pipe 2's inner wall, shell 1's inner wall sliding connection has fixed box 4, and welded fastening connection is passed through at fixed box 4's bottom and pjncture needle 3's top, fixed box 4's inner wall sliding connection has drive plate 6, and drive plate 6's top passes through welded fastening connection has clamp plate 5, clamp plate 5's top extends to fixed box 4's outside, shell 1's inner wall symmetry has seted up the draw-in groove, and the quantity of draw-in groove is four, fixed box 4's inner wall symmetry sliding connection has fixture block 14, and the quantity of fixture block 14 is two, two fixture block 14 and corresponding draw-in groove looks adaptation, fixed box 4's inner wall is equipped with fixed subassembly, fixed subassembly includes transfer line 8, transmission shaft 9, carousel 10, two pull rods 11 and two fixed sleeves 13, transfer line 8 pass through welded fastening connection at drive plate 6's front side, and transmission shaft 9 pass through the pivot rotation connection at fixed box 4's inner wall, and the rear side of transfer line 8 passes through welded fastening connection to the outer wall that the slide groove is connected at two 13 mutually at two, two inner wall 13 mutual fixed connection of two sliding connection's 13, two sides are close to each other at two fixed connection of two inner wall 13, two sliding connection 13, two sides are mutually near two fixed connection 13.

By the above mechanism: the lifting plate 12 and the transmission rod 8 move along with downward movement through the convenient driving of the movement of the pressing plate 5, the transmission rod 8 can drive the sliding shaft to move when moving, the sliding groove can be pushed to push the transmission shaft 9 to rotate when moving, the turntable 10 can be driven to rotate when the transmission shaft 9 rotates, at the moment, the turntable 10 rotates to pull the two pull rods 11 to move towards one side close to each other, the pull rods 11 can pull the fixing sleeve 13 to transversely move when moving, at the moment, the lifting plate 12 gradually moves downwards along with the moving direction of the fixing sleeve 13 and extends to the inner wall of the fixing sleeve 13, the fixing sleeve 13 can pull the clamping block 14 to move to be separated from the clamping groove to enable the fixing box 4 to unlock, the puncture needle 3 can be fixed or unlocked through the fixing box 4, so that the puncture needle 3 is kept stable when in use, and after the puncture needle 3 is used, the puncture needle 3 can be fixed in the housing 1, the puncture needle 3 is prevented from being detained at the puncture position of a patient, and injuries to a patient are prevented.

In the utility model, the inner wall of the fixed box 4 is fixedly connected with the spring 7 through welding, the bottom of the transmission plate 6 is fixedly connected with the top of the spring 7 through welding, and the transmission plate 6 is conveniently pushed to reset by the elasticity of the spring 7 so that the pressing plate 5 resets.

In the utility model, the inner walls of the two fixing sleeves 13 are both connected with the lifting plates 12 in a sliding manner, the tops of the two lifting plates 12 extend to the outside of the fixing sleeves 13, the front sides of the transmission plates 6 are symmetrically provided with the connecting grooves, the number of the connecting grooves is two, the inner walls of the two connecting grooves are both connected with the connecting shafts in a sliding manner, the front sides of the two connecting shafts are fixedly connected with the rear sides of the corresponding lifting plates 12 through welding, and the lifting plates 12 can conveniently and stably slide on the front sides of the lifting plates 12 through the cooperation of the connecting shafts and the connecting grooves, and the fixing sleeves 13 are limited, so that the fixing sleeves 13 can stably and transversely move.

According to the utility model, the inner wall of the shell 1 is symmetrically provided with the limit grooves, the number of the limit grooves is two, the left side and the right side of the fixing box 4 are fixedly connected with the limit bars through welding, the number of the limit bars is two, the outer walls of the two limit bars are in sliding connection with the inner walls of the corresponding limit grooves, and the fixing box 4 and the puncture needle 3 can conveniently move transversely through the cooperation of the limit grooves and the limit bars.

In the utility model, the top of the shell 1 is provided with the guide groove, the outer wall of the fixed box 4 is in sliding connection with the inner wall of the guide groove, and the fixed box 4 is conveniently limited through the guide groove, so that the fixed box 4 can slide conveniently.

Working principle: when a puncture trocar is needed to be used in clinical biomedical engineering, the puncture needle 3 and the sleeve 2 are inserted into a puncture part of a patient, at the moment, the pressing plate 5 is pressed downwards, the pressing plate 5 moves downwards and drives the transmission plate 6 to move downwards, the spring 7 can be compressed and the lifting plate 12 and the transmission rod 8 are driven to move downwards through the downward movement of the transmission plate 6, the transmission rod 8 can drive the sliding shaft to move, the sliding groove can be pushed when moving, the sliding groove is obliquely arranged on the outer wall of the transmission shaft 9, therefore, the sliding groove can be pushed when moving the sliding shaft so as to push the transmission shaft 9 to rotate, the turntable 10 can be driven to rotate when the transmission shaft 9 rotates, at the moment, the turntable 10 rotates and can pull the two pull rods 11 to move towards one side close to each other, the fixed sleeve 13 is pulled to move transversely when the pull rods 11 move, at the moment, the lifting plate 12 moves gradually downwards along with the moving direction of the fixed sleeve 13 and extends to the inner wall of the fixed sleeve 13, the fixed sleeve 13 is limited, the fixed sleeve 13 moves transversely stably, the clamping block 14 is pulled to move and separate from the clamping groove when the fixed sleeve 13 moves, so that the fixed box 4 is unlocked, the pressing plate 5 is pushed at the moment to drive the fixed box 4 and the puncture needle 3 to move transversely, when the fixed box 4 moves to the right and the clamping block 14 is aligned with the clamping groove on the right, the spring 7 pushes the transmission plate 6 to reset so that the pressing plate 5 resets by loosening the pressing plate 5, meanwhile, the transmission rod 8 moves and drives the transmission shaft 9 and the rotary disc 10 to reset rotationally, the rotary disc 10 pushes the pull rod 11 so that the two fixed sleeves 13 move to the sides far away from each other and drive the clamping block 14 to move, and at the moment, the clamping block 14 and the clamping groove are clamped to fix the fixed box 4 so that the puncture needle 3 is fixed in the shell 1, and the puncture needle 3 is prevented from being detained at the puncture part of a patient.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a novel puncture trocar, includes shell (1), sleeve pipe (2) and pjncture needle (3), a serial communication port, shell (1) is run through to sleeve pipe (2), pjncture needle (3) sliding connection is at the inner wall of sleeve pipe (2), the inner wall sliding connection of shell (1) has fixed case (4), and the bottom of fixed case (4) and the top fixed connection of pjncture needle (3), the inner wall sliding connection of fixed case (4) has drive plate (6), and the top fixedly connected with clamp plate (5) of drive plate (6), the outside of fixed case (4) is extended at the top of clamp plate (5), the draw-in groove has been seted up to the inner wall symmetry of shell (1), and the quantity of draw-in groove is four, the inner wall symmetry sliding connection of fixed case (4) has fixture block (14), and the quantity of fixture block (14) is two, two fixture block (14) and corresponding draw-in groove looks adaptations, the inner wall of fixed case (4) is equipped with fixed subassembly.

2. The novel puncture trocar according to claim 1, characterized in that the fixing component comprises a transmission rod (8), a transmission shaft (9), a rotary disc (10), two pull rods (11) and two fixing sleeves (13);

the utility model discloses a transmission device, including fixed box (4), transmission board (6), transmission shaft (9), spout, carousel (10) and fixed connection are in the front side of drive board (8) fixed connection at drive board (6), transmission shaft (9) rotate the inner wall of connecting at fixed box (4), and the rear side fixedly connected with slide shaft of transmission shaft (8), the spout has been seted up to the outer wall of transmission shaft (9), the outer wall of slide shaft and the inner wall sliding connection of spout, carousel (10) fixed connection is in the bottom of transmission shaft (9), two pull rod (11) rotate the bottom of connection at carousel (10), two fixed cover (13) symmetry sliding connection is in the bottom inner wall of fixed box (4), and two fixed cover (13) right sides that move backward respectively with one side fixed connection that two fixture blocks (14) are close to each other, one side that two pull rod (11) are kept away from each other is rotated with one side that two fixed cover (13) are close to each other.

3. The novel puncture trocar according to claim 2, wherein the inner wall of the fixed box (4) is fixedly connected with a spring (7), and the bottom of the transmission plate (6) is fixedly connected with the top of the spring (7).

4. The novel puncture trocar according to claim 2, wherein the inner walls of the two fixing sleeves (13) are slidably connected with lifting plates (12), the tops of the two lifting plates (12) are extended to the outside of the fixing sleeves (13), the front sides of the transmission plates (6) are symmetrically provided with connecting grooves, the number of the connecting grooves is two, the inner walls of the two connecting grooves are slidably connected with connecting shafts, and the front sides of the two connecting shafts are fixedly connected with the rear sides of the corresponding lifting plates (12).

5. The novel puncture trocar according to claim 1, wherein the inner wall of the housing (1) is symmetrically provided with two limit grooves, the left side and the right side of the fixed box (4) are fixedly connected with limit bars, the number of the limit bars is two, and the outer walls of the two limit bars are in sliding connection with the inner walls of the corresponding limit grooves.

6. The novel puncture trocar according to claim 1, wherein the top of the housing (1) is provided with a guide groove, and the outer wall of the fixing box (4) is slidably connected with the inner wall of the guide groove.