CN218589093U - Medical puncture skin breaking device - Google Patents

Abstract

The utility model relates to a medical puncture skin breaking device, including puncture needle subassembly and broken skin needle subassembly, puncture needle subassembly includes puncture needle tubing, puncture needle tubing includes head end and tail end, puncture needle tubing's head end is the puncture needle point that has the scarf, puncture needle tubing's the fixed intercommunication of tail end has puncture needle sleeve seat, fixedly connected with handle on puncture needle sleeve seat's the outer wall, broken skin needle subassembly is including broken skin needle tubing, broken skin needle tubing also includes head end and tail end, broken skin needle point of head end for having the scarf of broken skin needle tubing, and the scarf of broken skin needle point is parallel with puncture needle point's scarf, broken skin needle tubing's the fixed intercommunication of tail end has broken skin needle sleeve seat, broken skin needle sleeve seat cover is established on puncture needle sleeve seat, and can dismantle fixed connection between broken skin needle sleeve seat and the puncture needle sleeve seat, use the utility model discloses can avoid broken skin needle tubing to deviate with puncture position of puncture needle tubing when broken skin, thereby reduce the number of times of broken skin, reduce follow-up pipe aversion risk, alleviate nursing staff's work load.

Description

Medical puncture skin breaking device

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a medical puncture skin breaking device.

Background

When strong acid, strong base and high osmotic pressure medicine are clinically infused to a patient, a PICC and a medium-length catheter are required to be placed to the patient, at present, when the catheter is placed, a tourniquet is generally tied on a catheter placement position, then a puncture needle is installed in a needle guide frame on a B ultrasonic probe, under the guide of the B ultrasonic probe, the upper part of a puncture blood vessel is selected to be placed above the puncture needle, after blood returns, a guide wire is fed into the puncture needle, the tourniquet is loosened, the puncture needle is separated from the needle guide frame on the B ultrasonic probe, then the guide wire is continuously fed into, after the guide wire is fed into, local infiltration anesthesia is carried out on the periphery of the puncture position, the puncture needle is withdrawn, and then the puncture position is cut into the sheath catheter after the puncture position is broken; when the skin of the puncture part is broken, a skin breaking needle is usually used for breaking the skin, namely after the puncture needle is withdrawn, the skin breaking needle is sleeved on a guide wire, the skin is led into the skin breaking needle through the guide wire, the skin breaking needle is used for breaking the skin of the puncture part, a sheath tube is a round tube, so that the needle point of the existing skin breaking needle is usually a round opening, when the skin is broken, the skin breaking opening is tidy, the tissue tearing can be reduced when the sheath tube is fed, but the angle of the skin breaking needle is difficult to control when the skin is broken, the skin breaking needle is easy to deviate from the puncture position of the puncture needle, the sheath feeding is difficult, multiple times of skin breaking are needed, the risk of subsequent catheter displacement and the bleeding amount of the skin breaking opening are increased, the healing of the puncture part is not facilitated, and the workload of nursing personnel is increased; secondly, in the process of placing the tube, the puncture needle needs to be withdrawn from the guide wire firstly, and then the skin-breaking needle is sleeved on the guide wire for skin breaking, and the process of placing the tube is complicated, so the defects and shortcomings in the prior art still exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses the technical scheme who takes:

the utility model provides a broken skin device of medical puncture, establishes on pjncture needle subassembly and can with the broken skin needle subassembly of pjncture needle subassembly separation including pjncture needle subassembly and cover, pjncture needle subassembly includes puncture needle tubing, puncture needle tubing includes head end and tail end, and puncture needle tube's head end is the puncture needle point that has the scarf, and puncture needle tubing's the fixed intercommunication of tail end has the puncture needle sleeve seat that sets up and structure as an organic whole with puncture needle tubing coaxial line, fixedly connected with handle on pjncture needle sleeve seat's the outer wall, broken skin needle subassembly is established the broken skin needle tubing on puncture needle tubing including the cover, broken skin needle tubing also includes head end and tail end, and the broken skin needle point of head end for having the scarf, and the scarf of broken skin needle point is parallel with puncture needle point's scarf, and the fixed intercommunication of tail end of broken skin needle tubing has the broken skin needle sleeve seat that sets up with broken skin needle tubing coaxial line, broken skin sleeve seat cover establishes on and with puncture needle sleeve seat shape looks adaptation, and can dismantle fixed connection between broken skin sleeve seat and the puncture needle sleeve seat.

Furthermore, the broken needle sleeve seat is in threaded connection with the puncture needle sleeve seat.

Furthermore, the thread connecting position of the sleeve seat of the skin-breaking needle and the sleeve seat of the puncture needle is made of transparent styrene resin material.

Furthermore, a plurality of convex blocks which are distributed along the circumferential direction of the puncture needle sleeve seat in an equidistance manner and can generate deformation are fixedly connected to the outer wall of the puncture needle sleeve seat, and the broken-skin needle sleeve seat is sleeved on the puncture needle sleeve seat through the convex blocks.

Furthermore, the outer wall of the skin-breaking needle tube close to one end of the skin-breaking needle tip is inwards recessed to form a marking groove.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses establish broken skin needle subassembly cover on puncture needle subassembly, and broken skin needle subassembly can separate with puncture needle subassembly to set up puncture needle point and broken skin needle point into parallel scarf, when using, lie in with the difference among the prior art: when withdrawing the puncture needle tube, firstly withdrawing the puncture needle tube to the puncture needle tip position, not completely withdrawing, then separating the skin-breaking needle assembly from the puncture needle assembly, after separation, moving the skin-breaking needle tube along the puncture needle tube to break the skin of the puncture position, before the skin is broken, enabling the inclined plane of the skin-breaking needle tip to be parallel to the inclined plane of the puncture needle tip, taking the inclined plane of the puncture needle tip as a reference, when the skin-breaking needle tube is conveyed to the puncture position for skin breaking, then completely withdrawing the puncture needle tube, and because the inclined plane of the puncture needle tip is taken as a reference when the skin is broken, the angle of the skin-breaking needle tube during skin breaking can be controlled, the deviation of the skin-breaking needle tube and the puncture position of the puncture needle tube during skin breaking is avoided, so that the difficulty of sheath conveying is reduced, the skin-breaking times are reduced, the risk of subsequent catheter displacement can be reduced, the success rate of tube placement is improved, the amount of bleeding of the skin-breaking opening is reduced, the healing of the puncture position is facilitated, the maintenance cost of the catheter is reduced, and the workload of nursing personnel is reduced; secondly, in the process of placing the tube, the skin breaking needle assembly is sleeved on the puncture needle assembly, so that the skin breaking needle assembly can be sleeved on the guide wire after the guide wire is fed.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in a split state;

fig. 3 is a second schematic structural diagram of the present invention;

FIG. 4 is a schematic structural view of FIG. 3 in a split state;

FIG. 5 is a schematic view of the structure of FIG. 1 in a use state;

fig. 6 is a second schematic structural view of fig. 1 in a use state.

Reference numerals are as follows: 1. an introducer needle assembly; 11. puncturing a needle tube; 12. puncturing a needle tip; 13. a puncture needle sleeve seat; 14. a handle; 15. a bump; 2. a skin breaking needle assembly; 21. a skin breaking needle tube; 22. breaking the skin needle tip; 23. a broken needle sleeve seat; 24. marking a groove; 3. b ultrasonic probe; 4. a needle guide frame; 5. a sebum layer; 6. a blood vessel; 7. a deep muscular tissue layer; 8. a guidewire.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model provides a medical puncture skin-breaking device, which comprises a puncture needle assembly 1 and a skin-breaking needle assembly 2 which is sleeved on the puncture needle assembly 1 and can be separated from the puncture needle assembly 1, wherein the puncture needle assembly 1 comprises a puncture needle tube 11, the puncture needle tube 11 comprises a head end and a tail end, the head end of the puncture needle tube 11 is a puncture needle tip 12 with an inclined plane, the tail end of the puncture needle tube 11 is fixedly communicated with a puncture needle sleeve seat 13 which is coaxially arranged with the puncture needle tube 11 and is of an integrated structure, the outer wall of the puncture needle sleeve seat 13 is fixedly connected with a handle 14, and the handle 14 is convenient for holding the puncture needle assembly 1; the skin-breaking needle assembly 2 comprises a skin-breaking needle tube 21 sleeved on the puncture needle tube 11, the inner diameter of the skin-breaking needle tube 21 is larger than that of the puncture needle tube 11, the skin-breaking needle tube 21 also comprises a head end and a tail end, the head end of the skin-breaking needle tube 21 is a skin-breaking needle point 22 with an oblique plane, the oblique plane of the skin-breaking needle point 22 is parallel to that of the puncture needle point 12, the tail end of the skin-breaking needle tube 21 is fixedly communicated with a skin-breaking needle sleeve seat 23 coaxially arranged with the skin-breaking needle tube 21, the skin-breaking needle sleeve seat 23 is sleeved on the puncture needle sleeve seat 13 and is matched with the puncture needle sleeve seat 13 in shape, the skin-breaking needle sleeve seat 23 is detachably and fixedly connected with the puncture needle sleeve seat 13, and the skin-breaking needle sleeve seat 23 can be separated from the puncture needle sleeve seat 13.

The utility model discloses establish broken skin needle subassembly 2 cover on puncture needle subassembly 1, and broken skin needle subassembly 2 can separate with puncture needle subassembly 1 to set up puncture needle point 12 and broken skin needle point 22 into parallel scarf, when using, lie in with the difference among the prior art: when withdrawing the puncture needle tube 11, firstly withdrawing the puncture needle tube 11 to the puncture needle point 12 position, and not completely withdrawing, then separating the skin-broken needle assembly 2 from the puncture needle assembly 1, after separation, moving the skin-broken needle tube 21 along the puncture needle tube 11 to break the skin of the puncture part, before the skin is broken, enabling the oblique plane of the skin-broken needle point 22 to be parallel to the oblique plane of the puncture needle point 12, taking the oblique plane of the puncture needle point 12 as a reference, when the skin-broken needle tube 21 is sent to the puncture part to be broken, then completely withdrawing the puncture needle tube 11, because the skin-broken needle tube 21 takes the oblique plane of the puncture needle point 12 as a reference when the skin is broken, the angle of the skin-broken needle tube 21 when the skin is broken can be grasped, the skin-broken needle tube 21 is prevented from deviating from the puncture position of the puncture needle tube 11 when the skin is broken, the difficulty of sheath feeding is reduced, the skin-broken times are reduced, the risk of subsequent catheter displacement can be reduced, the success rate of tube placement is improved, and the amount of blood discharged from the skin-broken opening is reduced, thereby being beneficial to the healing of the puncture part, reducing the maintenance cost of the catheter and reducing the workload of nursing staff; secondly, in the process of placing the tube, the skin-breaking needle assembly 2 is sleeved on the puncture needle assembly 1, so that the skin-breaking needle assembly 2 can be sleeved on the guide wire after the guide wire is fed.

One of the detachable fixed connection modes of the broken needle sleeve seat 23 and the puncture needle sleeve seat 13 is as follows: as shown in fig. 1 and 2, the skin-breaking needle sleeve seat 23 is in threaded connection with the puncture needle sleeve seat 13, specifically, the skin-breaking needle sleeve seat 23 and the puncture needle sleeve seat 13 both include a tapered tube and a straight tube which are communicated with each other, and the straight tube of the skin-breaking needle sleeve seat 23 is sleeved on the straight tube of the puncture needle sleeve seat 13 at the threaded connection position, and the skin-breaking needle assembly 2 can be conveniently dismounted on the puncture needle assembly 1 by the threaded connection between the two.

Furthermore, the thread connection position of the skin-breaking needle sleeve seat 23 and the puncture needle sleeve seat 13 is made of transparent styrene resin material, and the situation of the skin-breaking needle sleeve seat 23 and the puncture needle sleeve seat 13 in the thread connection can be directly observed through the arrangement mode, so that the skin-breaking needle assembly 2 can be conveniently assembled and disassembled on the puncture needle assembly 1.

Another detachable and fixed connection mode of the skin-breaking needle sleeve seat 23 and the puncture needle sleeve seat 13 is as follows: as shown in fig. 3 and 4, the outer wall of the puncture needle sleeve seat 13 is fixedly connected with a plurality of bumps 15 which are equidistantly distributed along the circumferential direction of the puncture needle sleeve seat 13 and can be deformed, the bumps 15 are made of medical rubber, the broken skin needle sleeve seat 23 is sleeved on the puncture needle sleeve seat 13 through the bumps 15, specifically, the broken skin needle sleeve seat 23 and the puncture needle sleeve seat 13 both comprise a conical tube and a straight tube which are communicated, the bumps 15 are positioned on the straight tube of the puncture needle sleeve seat 13, when the broken skin needle sleeve seat 23 is installed on the puncture needle sleeve seat 13, the bumps 15 are deformed under the action of external force, so that the broken skin needle sleeve seat 23 can be sleeved on the puncture needle sleeve seat 13 and can be fixed in an auxiliary manner; when the skin-breaking needle sleeve seat 23 is separated from the puncture needle sleeve seat 13, the skin-breaking needle sleeve seat 23 can be separated from the puncture needle sleeve seat 13 under the action of external force, and the skin-breaking needle assembly 2 can be conveniently assembled and disassembled on the puncture needle assembly 1 through the arrangement mode.

At present, when a skin is broken by using a skin breaking needle, the skin breaking angle and the skin breaking depth of the skin breaking needle are not easy to master, and if the skin breaking depth is too shallow, secondary skin breaking is caused, and the pain and the bleeding volume of a patient are increased; if the skin breaking depth is too deep, the skin breaking needle can be punctured into the blood vessel, the bleeding amount is increased, and the healing of the punctured part is not facilitated; therefore, as shown in fig. 2 to 4, the outer wall of the end of the skin-breaking needle tube 21 close to the skin-breaking needle point 22 is recessed inwards to form a mark groove 24, specifically, the mark groove 24 can be set at a position 0.5cm away from the skin-breaking needle point 22, so that when the skin-breaking needle tube 21 is used for breaking skin, the mark groove 24 is used as a reference point, so that medical personnel can master the depth of the skin-breaking needle tube 21 during skin breaking, thereby facilitating the medical personnel with inexperience to complete the skin-breaking operation, reducing the situation that the skin-breaking depth is too shallow or too deep, reducing the amount of bleeding, and facilitating the healing of the puncture part.

Further, the specific usage of the present invention is explained in detail as follows: as shown in fig. 5 and fig. 6, the tube placing part comprises a sebum layer 5 and a deep muscle tissue layer 7, the blood vessel 6 is positioned in the deep muscle tissue layer 7, when placing the tube, as in the prior art, firstly, a tourniquet is tied on the tube placing part, then, a puncture needle tube 11 is arranged in a needle guide frame 4 on a B-ultrasonic probe 3, under the guide of the B-ultrasonic probe 3, the upper part of the puncture blood vessel is selected, the puncture needle tube 11 is put in, after blood return, a guide wire 8 is sent into the puncture needle tube 11, the tourniquet is loosened, the puncture needle tube 11 is separated from the needle guide frame 4 on the B-ultrasonic probe 3, then, the guide wire 8 is continuously sent in, after the guide wire 8 is sent in, local infiltration anesthesia is carried out around the puncture part, the puncture needle tube 11 is withdrawn, when the puncture needle tube 11 is withdrawn, the puncture needle tube 11 is withdrawn to the puncture needle point 12 position, and the skin-broken needle assembly 2 is separated from the puncture needle assembly 1, after separation, the skin-broken needle tube 21 is moved along the puncture needle tube 11 to break the skin of the puncture part, before the skin-broken needle tube 21 breaks the skin, the inclined plane of the skin-broken needle point 22 is parallel to the inclined plane of the puncture needle point 12, the inclined plane of the puncture needle point 12 is taken as a reference, when the skin-broken needle tube 21 is sent into the puncture part to break the skin, the puncture needle tube 11 is completely withdrawn, when the skin-broken needle tube 21 breaks the skin, the mark groove 24 is taken as a reference point, after the skin breaking is finished, the skin-broken needle tube 21 is withdrawn, the subsequent processes are the same as those in the prior art, namely, the skin tube is sent into, the guide wire 8 is completely withdrawn, the guide wire in the catheter is sent into, the guide wire in the catheter is withdrawn, the positive pressure pulse type blood circulation sealing tube is withdrawn, the heparin cap is installed, and is adhered and fixed.

In general, the utility model can simplify the operation of placing the tube, save time, reduce repeated skin breaking and be beneficial to the healing of the puncture part; depth and angle when can also holding the broken skin reduce the risk that follow-up pipe shifted, improve and put the pipe success rate to reduce the broken skin mouth amount of bleeding, reduce the pipe maintenance cost, alleviate nursing staff's work load, be applicable to and put into PICC and well long catheter clinically.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.

Claims (5)

1. The utility model provides a medical puncture skin breaking device which characterized in that: including puncture needle subassembly and cover establish on puncture needle subassembly and can with the broken skin needle subassembly of puncture needle subassembly separation, puncture needle subassembly includes puncture needle tubing, puncture needle tubing includes head end and tail end, puncture needle tubing's head end is for the puncture needle point that has the scarf, and puncture needle tubing's tail end is fixed the intercommunication has the puncture needle cover barrel base that sets up and structure as an organic whole with puncture needle tubing coaxial line, fixedly connected with handle on puncture needle cover barrel base's the outer wall, broken skin needle subassembly is including the broken skin needle tubing of cover on puncture needle tubing, broken skin needle tubing also includes head end and tail end, and broken skin needle point of head end for having the scarf of broken skin needle tubing, and the scarf of broken skin needle point is parallel with the scarf of puncture needle point, and broken skin needle cover barrel base's tail end is fixed the intercommunication that has and set up with broken skin needle tubing coaxial line, broken skin needle cover barrel base cover establish on puncture needle cover barrel base and with puncture needle cover barrel base shape looks adaptation, and can dismantle fixed connection between broken skin needle cover barrel base and the puncture needle cover barrel base.

2. The medical puncture and skin-breaking device according to claim 1, characterized in that: the skin-breaking needle sleeve seat is in threaded connection with the puncture needle sleeve seat.

3. The medical puncture and skin-breaking device according to claim 2, characterized in that: the thread connecting position of the sleeve seat of the skin breaking sleeve and the sleeve seat of the puncture needle is made of transparent styrene resin material.

4. The medical puncture and skin-breaking device according to claim 1, characterized in that: fixedly connected with a plurality of on the outer wall of pjncture needle cover barrel seat distributes and can produce the lug of deformation along pjncture needle cover barrel seat circumference equidistance, broken skin needle cover barrel seat establishes on pjncture needle cover barrel seat through the lug cover.

5. A medical puncture and skin-breaking device according to any one of claims 1 to 4, characterized in that: the outer wall of one end of the skin-breaking needle tube close to the skin-breaking needle tip is inwards sunken to form a marking groove.

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