CN209827800U - Infusion divides combiner, insulin pump infusion ware and male end protective sheath - Google Patents

Abstract

The utility model discloses an infusion dividing and combining device, an insulin pump infusion device and a male and female end protective sleeve, wherein the infusion dividing and combining device comprises a sealing element, a dividing and combining device female end and a dividing and combining device male end; the male end of the clutch is provided with a first through inner hole, the near end of the first inner hole is used for accommodating and fixing a second infusion hose, and the far end of the first inner hole is used for accommodating and fixing a straight needle; the female end of the splitter is provided with a second through inner hole, the sealing element is arranged at the near end of the second inner hole and is used for a straight needle to penetrate through so as to enable the straight needle to be in sealed connection with the second inner hole, and the far end of the second inner hole is used for accommodating and fixing a first infusion hose; the female end of the splitting and combining device is further provided with a first clamping structure, the male end of the splitting and combining device is further provided with a second clamping structure, and the first clamping structure and the second clamping structure are detachably connected. The utility model provides an infusion deciliter ware and insulin pump infusion ware can guarantee firm in connection between the pipeline, separation, connection convenient operation, and have small, the good advantage of leakproofness.

Description

Infusion divides combiner, insulin pump infusion ware and male end protective sheath

Technical Field

The utility model relates to a medical instrument is used in the infusion, especially relates to an infusion deciliter ware, insulin pump infusion ware and female, male end protective sheath.

Background

As a medical instrument for treating diabetes, an insulin pump includes a pump body and an insulin pump infusion set (hereinafter referred to as "infusion set"). As a disposable sterile consumable of an insulin pump, an infusion device is matched with an insulin pump body, insulin liquid medicine flows into the infusion device through the insulin pump, is pushed by an infusion device hose and flows into the human body through a bent needle which is punctured into subcutaneous tissues of the human body, so that pancreas is simulated to carry out insulin delivery, and dynamic change of blood sugar is controlled regularly and quantitatively. When a user is in special conditions such as strenuous exercise or bathing, the insulin pump needs to disconnect the pipeline and take out the pump body so as to replace the medicine bag or prevent the pump body from being affected with damp.

Although the prior infusion device product has a separable interface to realize the detachable connection between the pipelines, the following defects still exist:

(1) the existing infusion device increases the product volume while realizing the function of separating pipelines, and brings inconvenience to users when walking, sitting, standing and the like;

(2) the separation structure of the existing infusion device mainly comprises a male luer connector and a female luer connector, and the separation and the locking of the pipelines are realized in a rotating mode through the meshing of the threads of the male and female connectors. The method has higher requirement on the actual operation of a patient, and if the threads are not screwed or dislocated, the leakage of the joint is caused; if the thread is screwed too tightly, the patient is not easy to separate the pipeline.

(3) The joint of the infusion device separation structure has insufficient tightness, so that liquid medicine leaks, and the infusion precision of the insulin pump is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an infusion deciliter ware, insulin pump infusion ware and female, male end protective sheath are provided, firm in connection between the pipeline can be guaranteed, separation, connection convenient operation, and small, the leakproofness is good.

The utility model adopts the technical proposal to solve the technical problems that the utility model provides an infusion deciliter device, which comprises a sealing element, a deciliter female end and a deciliter male end; the male end of the clutch is provided with a first through inner hole, the near end of the first inner hole is used for accommodating and fixing a second infusion hose, and the far end of the first inner hole is used for accommodating and fixing a straight needle; the female end of the splitter is provided with a second through inner hole, the sealing element is arranged at the near end of the second inner hole and is used for the straight needle to penetrate through so as to enable the straight needle to be in sealed connection with the second inner hole, and the far end of the second inner hole is used for accommodating and fixing a first infusion hose; the female end of the splitting and combining device is further provided with a first clamping structure, the male end of the splitting and combining device is further provided with a second clamping structure, and the first clamping structure and the second clamping structure are detachably connected.

Further, the first inner hole comprises a first sub inner hole and a second sub inner hole, the inner diameter of the first sub inner hole is larger than that of the second sub inner hole, and an abutting shoulder is formed; the inner diameter of the first sub inner hole is matched with the outer diameter of the second infusion hose, and the distal end of the second infusion hose abuts against the abutting shoulder; the inner diameter of the second sub inner hole is matched with the outer diameter of the straight needle.

Further, the second hole includes sealing member mounting groove, taper groove and infusion hose mounting hole from the near-end to the distal end in proper order, the sealing member mounting groove is used for holding and fixing the sealing member, the taper groove is used for holding the sharp portion of straight needle, the infusion hose mounting hole is used for holding and fixing the distal end of first infusion hose.

Furthermore, the near end of the female end of the clutch is also provided with a first inner cavity, and the near end of the first inner cavity is provided with an opening for accommodating the male end of the clutch; the second bore is received in the first interior cavity.

Further, the distal end of the male end of deciliter still is equipped with the straight needle protective sheath, the straight needle protective sheath is used for holding the straight needle extends and wears out the part of first hole, the deciliter female end still be formed with the straight needle position sleeve in the first inner chamber, the second hole is followed the distal end of deciliter female end extends to the near-end of straight needle position sleeve, works as when deciliter female end and the cooperation of the male end of deciliter are connected, the distal end entering of straight needle position sleeve in the straight needle protective sheath.

Further, first joint structure is for being located the groove that connects of near first inner chamber fretwork, second joint structure is for having elastic buckle, the at least partial external diameter of buckle is greater than connect the internal diameter in groove, divide and shut male end of ware and divide and shut female end of ware pass through connect groove, buckle to carry out the joint.

Furthermore, a positioning groove is formed in the end portion of the near end of the female end of the combiner, a positioning block is arranged outside the male end of the combiner, the positioning groove and the positioning block are matched to limit the male end of the combiner and the female end of the combiner to be detachably connected according to a preset direction.

Furthermore, an anti-skid groove is formed in the outer portion of the male end of the clutch.

The utility model discloses a solve above-mentioned technical problem and another technical scheme who adopts provides an insulin pump infusion ware, including the first infusion subassembly of near-end, the second infusion subassembly and the infusion deciliter ware of distal end, the infusion deciliter ware is foretell infusion deciliter ware, first infusion subassembly and second infusion subassembly pass through the connection can be dismantled in infusion deciliter ware realization.

Further, first infusion subassembly includes second infusion hose, insulin pump connector and straight needle (9), insulin pump connector locates the near-end of second infusion hose, the straight needle has the through-hole and sets up the distal end of second infusion hose, second infusion hose holds and is fixed in the male end of deciliter the near-end of first hole, the straight needle holds and is fixed in the male end of deciliter the distal end of first hole.

Further, the second infusion assembly comprises a first infusion hose, a needle head seat and a bent needle, the proximal end of the first infusion hose is accommodated in and fixed at the distal end of the second inner hole of the female end of the manifold, the needle head seat is arranged at the distal end of the first infusion hose, and the bent needle is embedded in the needle head seat and communicated with the first infusion hose.

Furthermore, insulin pump infusion ware still includes first fixed subsides, the fixed subsides of second, first fixed subsides are used for making the curved needle is fixed, the fixed subsides of second are used for making the deciliter female end is fixed.

Further, the second infusion subassembly still includes the looper protective sheath, the looper protective sheath is used for protecting the looper.

The utility model provides a solve above-mentioned technical problem and still provide a female end protective sheath, can overlap and establish on the female end of foretell infusion divide-shut device, the near-end of female end protective sheath includes third joint structure, third joint structure be used for with the connection can be dismantled to the first joint structure of the female end of divide-shut device.

The utility model discloses a solve above-mentioned technical problem and still provide a male end protective sheath, can overlap and establish on the male end of the deciliter ware of foretell infusion deciliter ware, male end protective sheath includes the third hole, the third hole is used for holding the straight needle, male end protective sheath are still including the fourth joint structure that is located the distal end, the fourth joint structure be used for with the connection can be dismantled to the second joint structure of the male end of deciliter ware.

The utility model discloses contrast prior art has following beneficial effect: the utility model provides an infusion deciliter, insulin pump infusion ware and female, male end protective sheath, infusion deciliter can dismantle the matching connection through deciliter female end and deciliter male end, and the product is small, does not occupy space; when the infusion splitter is used for pipeline connection, the splitter is not easy to loosen, the sealing performance is good, and the pipeline has no liquid leakage phenomenon; the infusion splitter is used for separating the pipelines, so that the operation is convenient and fast; meanwhile, the male end and the female end of the infusion splitter can be matched with corresponding protective sleeves, and the protective sleeves achieve the functions of protecting the infusion splitter and sealing a pipeline.

Drawings

Fig. 1 is a schematic structural view of an insulin pump infusion set according to an embodiment of the present invention;

fig. 2a is a schematic front view of the male end of the manifold in the infusion device of the insulin pump according to an embodiment of the present invention;

fig. 2b is a schematic top view of the male end of the clutch shown in fig. 2 a;

fig. 3a is a schematic structural view of a female end of a splitter in an insulin pump infusion set according to an embodiment of the present invention;

fig. 3b is a schematic top view of the female end of the combiner shown in fig. 3 a;

fig. 4 is an assembled cross-sectional view of the manifold when the insulin pump infusion set is connected to the tubing according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a female end protection sleeve according to an embodiment of the present invention;

fig. 6 is a schematic view of a male end protection cover according to an embodiment of the present invention.

In the figure:

1 curved needle 2 curved needle protective sleeve 3 first fixed subsides

3' second fixing paste 4 needle head seat 5 first transfusion hose

5' second infusion hose 6 insulin pump connector 7 clutch female end

8 sealing element 9 straight needle 10 deciliter male end

11 female end protective sheath 12 male end protective sheath 13 antiskid groove

14 positioning block 15 positioning groove 16 straight needle protective sleeve

17 straight needle positioning sleeve 18 buckle 181 boss

1811 abutting shoulder 19 to groove 20 second bore

201 sealing piece mounting groove 202 conical groove 203 transfusion hose mounting hole

21 first bore 211 first sub-bore 212 second sub-bore

213 against shoulder 22 first lumen

Detailed Description

The invention is further described with reference to the following figures and examples.

For more clearly describing the structural features of the present invention, the terms "proximal end" and "distal end" are used as the directional terms, wherein the "proximal end" refers to the end of each part and assembly of the infusion device that is close to the pump body and away from the patient after the cooperation, and correspondingly, the "distal end" refers to the end of each part and assembly of the infusion device that is away from the pump body and close to the patient after the cooperation.

Fig. 1 is a schematic structural view of an insulin pump infusion set according to an embodiment of the present invention.

Referring to fig. 1, the utility model provides an insulin pump infusion device, including the first infusion subassembly of near-end, the second infusion subassembly and the infusion deciliter ware of distal end, first infusion subassembly passes through with the second infusion subassembly the infusion deciliter ware can dismantle and be connected.

Specifically, the infusion manifold includes a manifold female end 7, a seal 8, and a manifold male end 10. The first infusion set comprises a second infusion hose 5 ', an insulin pump connector 6 at the proximal end of the second infusion hose 5 ', and a straight needle 9 with a through hole at the distal end of the second infusion hose 5 '. Wherein the insulin pump connector 6 is used for being detachably connected with a pump body (not shown). Preferably, the insulin pump connector 6 is a luer. Preferably, the seal 8 is a silicone plug.

The second infusion set comprises a first infusion hose 5, a needle base 4 at the distal end of the first infusion hose 5, and a curved needle 1 embedded in the needle base 4 and communicating with the first infusion hose 5. The curved needle 1 is used for penetrating into subcutaneous tissues of a human body so as to infuse a medicine liquid into the human body. Preferably, the second infusion assembly further comprises a first fixing patch 3, and the first fixing patch 3 is used for fixing the curved needle 1 to a human body. Preferably, the curved needle 1 is provided with a curved needle protection sleeve 2 for protecting said curved needle 1. The utility model does not limit the material and size of the first infusion hose 5 and the second infusion hose 5'.

Fig. 2a is a schematic front view of the male end of the manifold in the infusion device of the insulin pump according to an embodiment of the present invention; fig. 2b is a schematic top view of the male end of the combiner shown in fig. 2 a. Fig. 4 is an assembly cross-sectional view of the manifold when the insulin pump infusion set pipeline is connected in the embodiment of the present invention.

Referring to fig. 2a, 2b and 4, the male end 10 of the clutch has a through first inner hole 21, the proximal end of the first inner hole 21 is used for accommodating and fixing the second infusion hose 5', and the distal end of the first inner hole 21 is used for accommodating and fixing the straight needle 9. The straight needle 9 extends through the first inner hole 21 of the male end 10 of the clutch and extends out of the far end of the male end 10 of the clutch. Further, the first inner bore 21 includes a first sub inner bore 211 and a second sub inner bore 212, the first sub inner bore 211 having an inner diameter larger than that of the second sub inner bore 212 and forming an abutment shoulder 213. The first sub-bore 211 is used to receive and secure the second infusion hose 5'. The inner diameter of the first sub-bore 211 matches the outer diameter of the second infusion hose 5 'and the distal end of the second infusion hose 5' abuts the abutment shoulder 213. The second sub-bore 212 is used to receive and secure the straight needle 9. The inner diameter of the second sub inner hole 212 is matched with the outer diameter of the straight needle 9, and the inner diameter of the second sub inner hole 212 can be slightly larger than the outer diameter of the straight needle 9 as long as the straight needle 9 can be prevented from shaking.

The male end 10 of the clutch is also provided with a first clamping structure, for example, the first clamping structure is a buckle 18 with elasticity and positioned at the far end of the male end 10 of the clutch so as to realize detachable connection between the male end 10 of the clutch and the female end 7 of the clutch. The number of the snap hooks 18 is not particularly limited in this embodiment, and may be one or more. The present embodiment is not particularly limited to the elastic material and/or the elastic structure used to realize the elasticity of the clip 18.

Preferably, near the far end of the first inner hole 21 of the male end 10 of the clutch, the male end 10 of the clutch is further provided with a straight needle protecting sleeve 16, and the straight needle protecting sleeve 16 accommodates the part of the straight needle 9 exposed out of the first inner hole 21 therein, so as to protect the far end part of the straight needle 9, prevent the straight needle 9 from being deformed and broken by force, and prevent the straight needle from being pricked by a user due to wrong operation.

Preferably, a positioning block 14 is arranged outside the male end 10 of the clutch, and is used for assisting the male end 10 of the clutch and the female end 7 of the clutch to be detachably connected according to a preset direction. In addition, the near-end outside of the male end 10 of the clutch is also provided with an anti-skidding groove 13 to assist the disassembly between the male end 10 of the clutch and the female end 7 of the clutch, so that the friction force is increased, and the phenomenon that a user slips when the clutch is in lap joint and fixed in the separation process to cause operation discomfort is prevented. The relative positional relationship between the positioning block 14 and the anti-slip groove 13 is not particularly limited in this embodiment. For example, the positioning block 14 is on a different outer side than the slip prevention groove 13.

Fig. 3a is a schematic front view of the female end of the splitter in the infusion device of the insulin pump according to an embodiment of the present invention; fig. 3b is a schematic top view of the female end of the combiner shown in fig. 3 a.

Referring to fig. 3a, 3b and 4, the female end 7 of the clutch has a through second inner hole 20, and the second inner hole 20 is used for fixing the sealing member and the first infusion hose 5 and accommodating the straight needle 9. The sealing member 8 is disposed at the proximal end of the second inner hole 20 for the straight needle 9 to penetrate through so as to make the straight needle 9 and the second inner hole 20 connected in a sealing manner, and the distal end of the second inner hole 20 is used for accommodating and fixing the first infusion hose 5. Preferably, the second bore 20 includes, in order from the proximal end to the distal end, a seal mounting groove 201, a tapered groove 202 and an infusion hose mounting hole 203. The sealing element mounting groove 201 is used for accommodating and fixing the sealing element 8, the conical groove 202 is used for accommodating the tip part of the straight needle 9, and an assembly clearance area of the straight needle 9 can be provided to prevent the straight needle 9 from being bent or broken due to matching errors; the distal end of the first infusion hose 5 is fixed in the infusion hose mounting hole 203. During assembly, the straight needle 9 pierces the sealing member 8, penetrates the sealing member mounting groove 201, and the tip of the straight needle 9 is left in the tapered groove 202.

Further, the female end 7 of the clutch includes a first lumen 22, and the proximal end of the first lumen 22 has an opening for receiving the male end 10 of the clutch. Correspondingly, the shape of the inner wall of the first inner cavity 22 of the female end 7 of the clutch is matched with the external contour shape of the male end 10 of the clutch, and at least matched with the external contour shape of the far end of the male end 10 of the clutch. The second bore 20 is received in the first interior cavity 22.

Further, the female end 7 of the clutch is also provided with a second clamping structure which is used for being matched with the first clamping structure of the male end 10 of the clutch, so that the male end 10 of the clutch and the female end 7 of the clutch can be detachably connected. Specifically, the second clamping structure is a hollow connecting groove 19 located near the distal end of the first inner cavity 22, that is, the connecting groove 19 is located at the distal end of the first inner cavity 22 in the axial direction of the female end 7 of the combiner, and is communicated with the first inner cavity 22. Preferably, the receiving groove 19 is a hollow guiding groove formed by surrounding three inner walls of the female end 7 of the combiner. Obviously, the connecting groove 19 is not limited to be located at the far end of the first inner cavity 22, and may be located at other positions to communicate with the first inner cavity 22. The number and the distribution positions of the connecting grooves 19 are matched with those of the buckles 18 of the male end 10 of the clutch. Further, the outer diameter of at least a part of the catch 18 is larger than the inner diameter of the receiving groove 19. Here, the "outer diameter" of the clip 18 means the diameter of the circumference formed by the axis of the male end 10 of the clutch 18 on the outer side; the "inner diameter" of the receiving groove 19 means a diameter of a circumference formed near the inner wall of the first inner chamber 22 of the receiving groove 19 and the axis of the female end 7 of the combiner. During the assembly, buckle 18 is inside by the first inner chamber 22 of extrusion entering deciliter female end 7, and when buckle 18 got into and connects groove 19, under the elastic action, buckle 18 resumes the primary importance, and the part that buckle 18 external diameter is greater than the internal diameter of first inner chamber 22 matches with connecing groove 19, realizes dismantling the connection. For example, the distal end of the catch 18 has a boss 181, at least a portion of the outer diameter of the boss 181 is larger than the inner diameter of the first lumen 22, and an abutment shoulder 1811 is provided at the proximal end of the boss 181. When the male end 10 and the female end 7 of the clutch are relatively fixed, the convex part 181 is pressed by the inner wall of the first inner cavity 22 to contract inwards, when the convex part 181 enters the receiving groove 19, the convex part 181 restores to the original position, and the abutting shoulder 1811 abuts against the receiving groove 19.

Further, a straight needle positioning sleeve 17 is further arranged in the first inner cavity 22 of the female end 7 of the split-combination device, and the length of the straight needle positioning sleeve 17 is long enough, so that when the female end 7 of the split-combination device is matched with the male end 10 of the split-combination device, the far end of the straight needle positioning sleeve 17 enters the straight needle protective sleeve 16 to limit the puncture direction of the straight needle 9 and effectively prevent the split-combination device from loosening in a plane perpendicular to the radial direction of the straight needle. At this time, the second inner hole 20 extends from the far end of the female end 7 of the splitter to the near end of the straight needle positioning sleeve 17, namely, the second inner hole is communicated with the first inner cavity 22 through the straight needle positioning sleeve 17, and liquid flows into the second infusion assembly from the straight needle 9.

Preferably, the proximal end of the female end 7 of the clutch is provided with a detent 15 for cooperating with a detent 14 on the male end 10 of the clutch to prevent connection in the wrong direction. The locating piece 14 on the male end 10 of the clutch makes contact with the locating groove 15 on the female end 7 of the clutch, so that the looseness of the straight needle in the radial direction after the clutch is fixed in a lap joint mode is prevented, and the wrong design is adopted, so that the phenomenon that the pipeline is twisted due to the wrong installation direction when a user installs the clutch is prevented, and the infusion precision of the insulin pump is influenced. The utility model discloses there is not special restriction to the shape of constant head tank 15, locating piece 14, and in this embodiment, locating piece 14 is cylindrical, and constant head tank 15 is semi-cylindrical or half waist circle shape. The insulin pump infusion device further comprises a second fixing paste 3 ', and the second fixing paste 3' is used for fixing the female end 7 of the split-combination device on a human body.

Further, when the first infusion component is separated from the second infusion component, the buckle 18 is separated from the receiving groove 19 after being extruded and enters the first inner cavity 22 of the female end 7 of the combiner, and when the buckle 18 is separated from the female end 7 of the combiner, the buckle 18 is restored under the elastic action. Simultaneously, the straight needle 9 disengages the seal 8 and the seal 8 resumes its pre-pierced shape, completing the sealing of the second infusion assembly.

In addition, as shown in fig. 5, an embodiment of the present invention further provides a female end protection sleeve 11 and a male end protection sleeve 12 for maintaining the first infusion module and the second infusion module in a sealed state after being disassembled. The structure of the female end protective sleeve 11 is similar to that of the male end 10 of the clutch, and the difference is that the female end protective sleeve 11 does not have an inner hole. Specifically, as shown in fig. 5, the proximal end of the female end protective sleeve 11 includes a third clamping structure, and the third clamping structure is used for being detachably connected with the first clamping structure of the female end 7 of the combiner. Preferably, the third engaging structure is an elastic engaging member. Preferably, the far end of the female end protective sleeve 11 is further provided with a straight needle protection structure, and when the female end protective sleeve 11 is connected with the female end 7 of the combiner in a matching manner, the near end of the straight needle positioning sleeve 17 enters the straight needle protection structure.

Similarly, the male protective sleeve 12 is similar to the female end 7 of the manifold, except that the female protective sleeve 11 has a third internal bore (not shown) for receiving the straight needle 9, but not the stationary seal 8 and the first infusion hose 5. In particular, as shown in fig. 6, the third bore is a blind bore comprising a tapered slot for receiving the tip of the straight needle 9. The male end protective sleeve 12 further comprises a fourth clamping structure located at the far end, and the fourth clamping structure is detachably connected with the second clamping structure of the male end 10 of the combiner. Preferably, the fourth clamping structure is a hollow-out connecting groove. Preferably, the male end protective sleeve 12 further comprises a second lumen for receiving the male end 10 of the clutch. Further, the hollow connecting groove is located in the second inner cavity. Preferably, the second inner cavity is further provided with a straight needle positioning structure, and when the male end protective sleeve 12 is connected with the male end 10 of the clutch in a matching manner, the proximal end of the straight needle positioning structure enters the straight needle protective sleeve 16.

After the infusion combiner is separated, the female end 7 of the combiner is assembled with the female end protective sleeve 11, and the male end 10 of the combiner is assembled with the male end protective sleeve 12. When assembling, the principle of assembling the male end 10 and the female end 7 of the clutch is kept consistent. After assembly, the first infusion assembly and the second infusion assembly can be kept in a sealing state.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (15)

1. An infusion combiner is characterized by comprising a sealing element (8), a combiner female end (7) and a combiner male end (10);

the male end (10) of the split-combination device is provided with a first through inner hole (21), the proximal end of the first inner hole (21) is used for accommodating and fixing a second infusion hose (5'), and the distal end of the first inner hole (21) is used for accommodating and fixing a straight needle (9);

the female end (7) of the combiner is provided with a second through inner hole (20), the sealing element (8) is arranged at the proximal end of the second inner hole (20) and is used for the straight needle (9) to penetrate through so as to enable the straight needle (9) to be in sealing connection with the second inner hole (20), and the distal end of the second inner hole (20) is used for accommodating and fixing a first infusion hose (5);

the female end (7) of the splitting and combining device is further provided with a first clamping structure, the male end (10) of the splitting and combining device is further provided with a second clamping structure, and the first clamping structure is detachably connected with the second clamping structure.

2. The infusion manifold according to claim 1, wherein said first internal bore (21) comprises a first sub internal bore (211) and a second sub internal bore (212), said first sub internal bore (211) having an internal diameter greater than an internal diameter of said second sub internal bore (212) and forming an abutment shoulder (213);

the inner diameter of the first sub inner hole (211) is matched with the outer diameter of the second infusion hose (5 '), and the distal end of the second infusion hose (5') abuts against the abutting shoulder (213);

the inner diameter of the second sub inner hole (212) is matched with the outer diameter of the straight needle (9).

3. The infusion manifold according to claim 1, wherein said second inner bore (20) comprises a seal mounting groove (201), a tapered groove (202) and an infusion hose mounting hole (203) in order from a proximal end to a distal end, said seal mounting groove (201) being adapted to receive and fix said seal (8), said tapered groove (202) being adapted to receive a tip portion of said straight needle (9), said infusion hose mounting hole (203) being adapted to receive and fix a distal end of said first infusion hose (5).

4. An infusion manifold according to claim 1, characterised in that the proximal end of said manifold female end (7) further has a first internal cavity (22), the proximal end of said first internal cavity (22) having an opening for receiving said manifold male end (10); the second bore (20) is received in the first internal cavity (22).

5. Infusion manifold according to claim 4, characterized in that a straight needle protective sleeve (16) is further provided at the distal end of the male manifold end (10), said straight needle protective sleeve (16) is used to accommodate the part of the straight needle (9) extending out of the first inner bore (21), a straight needle positioning sleeve (17) is further provided in the first inner cavity (22) of the female manifold end (7), the second inner bore (20) extends from the distal end of the female manifold end (7) to the proximal end of the straight needle positioning sleeve (17), and when the female manifold end (7) and the male manifold end (10) are connected in a fitting manner, the distal end of the straight needle positioning sleeve (17) enters the straight needle protective sleeve (16).

6. The infusion manifold according to claim 4, wherein the first clamping structure is a receiving groove (19) hollowed out near the first inner cavity (22), the second clamping structure is a clip (18) with elasticity, at least part of the outer diameter of the clip (18) is larger than the inner diameter of the receiving groove (19), and the male end (10) and the female end (7) of the manifold are clamped through the receiving groove (19) and the clip (18).

7. Infusion manifold according to claim 1, characterized in that the proximal end of said female manifold end (7) is provided with a positioning groove (15), the exterior of said male manifold end (10) is provided with a positioning block (14), said positioning groove (15) and positioning block (14) cooperate to define the detachable connection between said male manifold end (10) and said female manifold end (7) according to a preset direction.

8. Infusion manifold according to claim 1, characterized in that the outer part of the manifold male end (10) is further provided with an anti-slip groove (13).

9. An insulin pump infusion device comprises a first infusion component at a near end, a second infusion component at a far end and an infusion combiner, and is characterized in that the infusion combiner is the infusion combiner according to any one of claims 1-8, and the first infusion component and the second infusion component are detachably connected through the infusion combiner.

10. The insulin pump infusion set according to claim 9, wherein the first infusion set comprises a second infusion hose (5 '), an insulin pump connector (6) and a straight needle (9), the insulin pump connector (6) is disposed at the proximal end of the second infusion hose (5'), the straight needle (9) has a through hole and is disposed at the distal end of the second infusion hose (5 '), the second infusion hose (5') accommodates and is fixed at the proximal end of the first inner hole (21) of the male end of the manifold (10), and the straight needle (9) accommodates and is fixed at the distal end of the first inner hole (21) of the male end of the manifold (10).

11. The insulin pump infusion set according to claim 9, characterized in that the second infusion set comprises a first infusion hose (5), a needle holder (4) and a curved needle (1), wherein the proximal end of the first infusion hose (5) is accommodated and fixed at the distal end of the second inner bore (20) of the female end (7) of the manifold, the needle holder (4) is arranged at the distal end of the first infusion hose (5), and the curved needle (1) is embedded in the needle holder (4) and is communicated with the first infusion hose (5).

12. The insulin pump infusion set according to claim 11, characterized in that it further comprises a first fixing patch (3), a second fixing patch (3 '), the first fixing patch (3) being used for fixing the bent needle (1), the second fixing patch (3') being used for fixing the female end (7) of the manifold.

13. The insulin pump infusion set according to claim 11, wherein the second infusion set further comprises a curved needle protection sleeve (2), the curved needle protection sleeve (2) being used for protecting the curved needle (1).

14. A female end protective sleeve which can be sleeved on a female end (7) of a manifold of an infusion manifold according to any one of claims 1 to 8, wherein the proximal end of the female end protective sleeve comprises a third clamping structure which is detachably connected with the first clamping structure of the female end (7) of the manifold.

15. A male end protective sleeve, characterized in that can be sleeved on the male end (10) of the infusion combiner according to any one of claims 1-8, the male end protective sleeve comprises a third inner hole for accommodating the straight needle (9), the male end protective sleeve further comprises a fourth clamping structure at the far end, and the fourth clamping structure is detachably connected with the second clamping structure of the male end (10) of the combiner.